[b87a5ed] | 1 | //
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
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| 3 | //
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| 4 | // The contents of this file are covered under the licence agreement in the
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| 5 | // file "LICENCE" distributed with Cforall.
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| 6 | //
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[9335ecc] | 7 | // parser.yy --
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[974906e2] | 8 | //
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[c11e31c] | 9 | // Author : Peter A. Buhr
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| 10 | // Created On : Sat Sep 1 20:22:55 2001
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[936e9f4] | 11 | // Last Modified By : Peter A. Buhr
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[aac37fa] | 12 | // Last Modified On : Fri Feb 11 14:26:15 2022
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| 13 | // Update Count : 5174
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[974906e2] | 14 | //
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[c11e31c] | 15 |
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[de62360d] | 16 | // This grammar is based on the ANSI99/11 C grammar, specifically parts of EXPRESSION and STATEMENTS, and on the C
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| 17 | // grammar by James A. Roskind, specifically parts of DECLARATIONS and EXTERNAL DEFINITIONS. While parts have been
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| 18 | // copied, important changes have been made in all sections; these changes are sufficient to constitute a new grammar.
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| 19 | // In particular, this grammar attempts to be more syntactically precise, i.e., it parses less incorrect language syntax
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| 20 | // that must be subsequently rejected by semantic checks. Nevertheless, there are still several semantic checks
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| 21 | // required and many are noted in the grammar. Finally, the grammar is extended with GCC and CFA language extensions.
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[c11e31c] | 22 |
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[de62360d] | 23 | // Acknowledgments to Richard Bilson, Glen Ditchfield, and Rodolfo Gabriel Esteves who all helped when I got stuck with
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| 24 | // the grammar.
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[c11e31c] | 25 |
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| 26 | // The root language for this grammar is ANSI99/11 C. All of ANSI99/11 is parsed, except for:
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| 27 | //
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[9380add] | 28 | // designation with '=' (use ':' instead)
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[c11e31c] | 29 | //
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[9380add] | 30 | // This incompatibility is discussed in detail before the "designation" grammar rule. Most of the syntactic extensions
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| 31 | // from ANSI90 to ANSI11 C are marked with the comment "C99/C11".
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[f9c3100] | 32 |
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[e16eb460] | 33 | // This grammar also has two levels of extensions. The first extensions cover most of the GCC C extensions. All of the
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[9380add] | 34 | // syntactic extensions for GCC C are marked with the comment "GCC". The second extensions are for Cforall (CFA), which
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| 35 | // fixes several of C's outstanding problems and extends C with many modern language concepts. All of the syntactic
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| 36 | // extensions for CFA C are marked with the comment "CFA".
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[51b73452] | 37 |
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| 38 | %{
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[ec3f9c8] | 39 | #define YYDEBUG_LEXER_TEXT( yylval ) // lexer loads this up each time
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[b87a5ed] | 40 | #define YYDEBUG 1 // get the pretty debugging code to compile
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[201aeb9] | 41 | #define YYERROR_VERBOSE // more information in syntax errors
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[51b73452] | 42 |
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| 43 | #undef __GNUC_MINOR__
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| 44 |
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| 45 | #include <cstdio>
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| 46 | #include <stack>
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[9ed4f94] | 47 | using namespace std;
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| 48 |
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[312029a] | 49 | #include "SynTree/Declaration.h"
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[51b73452] | 50 | #include "ParseNode.h"
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[984dce6] | 51 | #include "TypedefTable.h"
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[1db21619] | 52 | #include "TypeData.h"
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[07de76b] | 53 | #include "SynTree/LinkageSpec.h"
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[9ed4f94] | 54 | #include "Common/SemanticError.h" // error_str
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[513e165] | 55 | #include "Common/utility.h" // for maybeMoveBuild, maybeBuild, CodeLo...
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[51b73452] | 56 |
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[cbaee0d] | 57 | extern DeclarationNode * parseTree;
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[8b7ee09] | 58 | extern LinkageSpec::Spec linkage;
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[0da3e2c] | 59 | extern TypedefTable typedefTable;
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| 60 |
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[408ab79] | 61 | stack<LinkageSpec::Spec> linkageStack;
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[7bf7fb9] | 62 |
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[15697ff] | 63 | bool appendStr( string & to, string & from ) {
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| 64 | // 1. Multiple strings are concatenated into a single string but not combined internally. The reason is that
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[ea0c5e3] | 65 | // "\x12" "3" is treated as 2 characters versus 1 because "escape sequences are converted into single members of
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[15697ff] | 66 | // the execution character set just prior to adjacent string literal concatenation" (C11, Section 6.4.5-8). It is
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| 67 | // easier to let the C compiler handle this case.
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| 68 | //
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| 69 | // 2. String encodings are transformed into canonical form (one encoding at start) so the encoding can be found
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| 70 | // without searching the string, e.g.: "abc" L"def" L"ghi" => L"abc" "def" "ghi". Multiple encodings must match,
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[efc8f3e] | 71 | // e.g., u"a" U"b" L"c" is disallowed.
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[15697ff] | 72 |
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| 73 | if ( from[0] != '"' ) { // encoding ?
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| 74 | if ( to[0] != '"' ) { // encoding ?
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[ea0c5e3] | 75 | if ( to[0] != from[0] || to[1] != from[1] ) { // different encodings ?
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[15697ff] | 76 | yyerror( "non-matching string encodings for string-literal concatenation" );
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| 77 | return false; // parse error, must call YYERROR in action
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[ea0c5e3] | 78 | } else if ( from[1] == '8' ) {
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| 79 | from.erase( 0, 1 ); // remove 2nd encoding
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[15697ff] | 80 | } // if
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| 81 | } else {
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[ea0c5e3] | 82 | if ( from[1] == '8' ) { // move encoding to start
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| 83 | to = "u8" + to;
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| 84 | from.erase( 0, 1 ); // remove 2nd encoding
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| 85 | } else {
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| 86 | to = from[0] + to;
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| 87 | } // if
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[15697ff] | 88 | } // if
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| 89 | from.erase( 0, 1 ); // remove 2nd encoding
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| 90 | } // if
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| 91 | to += " " + from; // concatenated into single string
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| 92 | return true;
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[7bf7fb9] | 93 | } // appendStr
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[c0aa336] | 94 |
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| 95 | DeclarationNode * distAttr( DeclarationNode * specifier, DeclarationNode * declList ) {
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| 96 | // distribute declaration_specifier across all declared variables, e.g., static, const, __attribute__.
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| 97 | DeclarationNode * cur = declList, * cl = (new DeclarationNode)->addType( specifier );
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[6d01d89] | 98 | for ( cur = dynamic_cast<DeclarationNode *>( cur->get_next() ); cur != nullptr; cur = dynamic_cast<DeclarationNode *>( cur->get_next() ) ) {
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[c0aa336] | 99 | cl->cloneBaseType( cur );
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| 100 | } // for
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| 101 | declList->addType( cl );
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| 102 | return declList;
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| 103 | } // distAttr
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| 104 |
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| 105 | void distExt( DeclarationNode * declaration ) {
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| 106 | // distribute EXTENSION across all declarations
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| 107 | for ( DeclarationNode *iter = declaration; iter != nullptr; iter = (DeclarationNode *)iter->get_next() ) {
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| 108 | iter->set_extension( true );
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| 109 | } // for
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| 110 | } // distExt
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[fdca7c6] | 111 |
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[e07caa2] | 112 | void distInl( DeclarationNode * declaration ) {
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| 113 | // distribute EXTENSION across all declarations
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| 114 | for ( DeclarationNode *iter = declaration; iter != nullptr; iter = (DeclarationNode *)iter->get_next() ) {
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| 115 | iter->set_inLine( true );
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| 116 | } // for
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| 117 | } // distInl
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| 118 |
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[4c3ee8d] | 119 | void distQual( DeclarationNode * declaration, DeclarationNode * qualifiers ) {
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[284da8c] | 120 | // distribute qualifiers across all non-variable declarations in a distribution statemement
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[4c3ee8d] | 121 | for ( DeclarationNode * iter = declaration; iter != nullptr; iter = (DeclarationNode *)iter->get_next() ) {
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[284da8c] | 122 | // SKULLDUGGERY: Distributions are parsed inside out, so qualifiers are added to declarations inside out. Since
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| 123 | // addQualifiers appends to the back of the list, the forall clauses are in the wrong order (right to left). To
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| 124 | // get the qualifiers in the correct order and still use addQualifiers (otherwise, 90% of addQualifiers has to
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| 125 | // be copied to add to front), the appropriate forall pointers are interchanged before calling addQualifiers.
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| 126 | DeclarationNode * clone = qualifiers->clone();
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| 127 | if ( qualifiers->type ) { // forall clause ? (handles SC)
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| 128 | if ( iter->type->kind == TypeData::Aggregate ) { // struct/union ?
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| 129 | swap( clone->type->forall, iter->type->aggregate.params );
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| 130 | iter->addQualifiers( clone );
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| 131 | } else if ( iter->type->kind == TypeData::AggregateInst && iter->type->aggInst.aggregate->aggregate.body ) { // struct/union ?
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| 132 | // Create temporary node to hold aggregate, call addQualifiers as above, then put nodes back together.
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| 133 | DeclarationNode newnode;
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| 134 | swap( newnode.type, iter->type->aggInst.aggregate );
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| 135 | swap( clone->type->forall, newnode.type->aggregate.params );
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| 136 | newnode.addQualifiers( clone );
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| 137 | swap( newnode.type, iter->type->aggInst.aggregate );
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| 138 | } else if ( iter->type->kind == TypeData::Function ) { // routines ?
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| 139 | swap( clone->type->forall, iter->type->forall );
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| 140 | iter->addQualifiers( clone );
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| 141 | } // if
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| 142 | } else { // just SC qualifiers
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| 143 | iter->addQualifiers( clone );
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| 144 | } // if
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[4c3ee8d] | 145 | } // for
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[284da8c] | 146 | delete qualifiers;
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| 147 | } // distQual
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[4c3ee8d] | 148 |
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[c38ae92] | 149 | // There is an ambiguity for inline generic-routine return-types and generic routines.
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| 150 | // forall( otype T ) struct S { int i; } bar( T ) {}
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| 151 | // Does the forall bind to the struct or the routine, and how would it be possible to explicitly specify the binding.
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| 152 | // forall( otype T ) struct S { int T; } forall( otype W ) bar( W ) {}
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[7fdb94e1] | 153 | // Currently, the forall is associated with the routine, and the generic type has to be separately defined:
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| 154 | // forall( otype T ) struct S { int T; };
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| 155 | // forall( otype W ) bar( W ) {}
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[c38ae92] | 156 |
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| 157 | void rebindForall( DeclarationNode * declSpec, DeclarationNode * funcDecl ) {
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[7fdb94e1] | 158 | if ( declSpec->type->kind == TypeData::Aggregate ) { // ignore aggregate definition
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[c38ae92] | 159 | funcDecl->type->forall = declSpec->type->aggregate.params; // move forall from aggregate to function type
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| 160 | declSpec->type->aggregate.params = nullptr;
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| 161 | } // if
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| 162 | } // rebindForall
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| 163 |
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[60a8062] | 164 | string * build_postfix_name( string * name ) {
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| 165 | *name = string("__postfix_func_") + *name;
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| 166 | return name;
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[dc7db63] | 167 | } // build_postfix_name
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| 168 |
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[f7e4db27] | 169 | DeclarationNode * fieldDecl( DeclarationNode * typeSpec, DeclarationNode * fieldList ) {
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| 170 | if ( ! fieldList ) { // field declarator ?
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[553772b] | 171 | if ( ! ( typeSpec->type && (typeSpec->type->kind == TypeData::Aggregate || typeSpec->type->kind == TypeData::Enum) ) ) {
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[f7e4db27] | 172 | stringstream ss;
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| 173 | typeSpec->type->print( ss );
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| 174 | SemanticWarning( yylloc, Warning::SuperfluousDecl, ss.str().c_str() );
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| 175 | return nullptr;
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| 176 | } // if
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| 177 | fieldList = DeclarationNode::newName( nullptr );
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| 178 | } // if
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| 179 | return distAttr( typeSpec, fieldList ); // mark all fields in list
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| 180 | } // fieldDecl
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| 181 |
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[cc22003] | 182 | ForCtrl * forCtrl( ExpressionNode * type, string * index, ExpressionNode * start, enum OperKinds compop, ExpressionNode * comp, ExpressionNode * inc ) {
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[1dda8de] | 183 | ConstantExpr * constant = dynamic_cast<ConstantExpr *>(type->expr.get());
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[0982a05] | 184 | if ( constant && (constant->get_constant()->get_value() == "0" || constant->get_constant()->get_value() == "1") ) {
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[ec3f9c8] | 185 | type = new ExpressionNode( new CastExpr( maybeMoveBuild<Expression>(type), new BasicType( Type::Qualifiers(), BasicType::SignedInt ) ) );
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[0982a05] | 186 | } // if
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[c99a0d1] | 187 | // type = new ExpressionNode( build_func( new ExpressionNode( build_varref( new string( "__for_control_index_constraints__" ) ) ), type ) );
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[f271bdd] | 188 | return new ForCtrl(
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[5753b33] | 189 | distAttr( DeclarationNode::newTypeof( type, true ), DeclarationNode::newName( index )->addInitializer( new InitializerNode( start ) ) ),
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[2d2df9f] | 190 | // NULL comp/inc => leave blank
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| 191 | comp ? new ExpressionNode( build_binary_val( compop, new ExpressionNode( build_varref( new string( *index ) ) ), comp ) ) : 0,
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| 192 | inc ? new ExpressionNode( build_binary_val( compop == OperKinds::LThan || compop == OperKinds::LEThan ? // choose += or -= for upto/downto
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| 193 | OperKinds::PlusAssn : OperKinds::MinusAssn, new ExpressionNode( build_varref( new string( *index ) ) ), inc ) ) : 0 );
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[f271bdd] | 194 | } // forCtrl
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| 195 |
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[f1aeede] | 196 | ForCtrl * forCtrl( ExpressionNode * type, ExpressionNode * index, ExpressionNode * start, enum OperKinds compop, ExpressionNode * comp, ExpressionNode * inc ) {
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[1dda8de] | 197 | if ( NameExpr * identifier = dynamic_cast<NameExpr *>(index->expr.get()) ) {
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[f1aeede] | 198 | return forCtrl( type, new string( identifier->name ), start, compop, comp, inc );
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[1dda8de] | 199 | } else if ( CommaExpr * commaExpr = dynamic_cast<CommaExpr *>(index->expr.get()) ) {
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[6d01d89] | 200 | if ( NameExpr * identifier = dynamic_cast<NameExpr *>(commaExpr->arg1 ) ) {
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| 201 | return forCtrl( type, new string( identifier->name ), start, compop, comp, inc );
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| 202 | } else {
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[3ca7ef3] | 203 | SemanticError( yylloc, "Expression disallowed. Only loop-index name allowed." ); return nullptr;
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[6d01d89] | 204 | } // if
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[f1aeede] | 205 | } else {
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[3ca7ef3] | 206 | SemanticError( yylloc, "Expression disallowed. Only loop-index name allowed." ); return nullptr;
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[f1aeede] | 207 | } // if
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[f271bdd] | 208 | } // forCtrl
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| 209 |
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[24711a3] | 210 | bool forall = false; // aggregate have one or more forall qualifiers ?
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[d48e529] | 211 |
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[201aeb9] | 212 | // https://www.gnu.org/software/bison/manual/bison.html#Location-Type
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| 213 | #define YYLLOC_DEFAULT(Cur, Rhs, N) \
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| 214 | if ( N ) { \
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| 215 | (Cur).first_line = YYRHSLOC( Rhs, 1 ).first_line; \
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| 216 | (Cur).first_column = YYRHSLOC( Rhs, 1 ).first_column; \
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| 217 | (Cur).last_line = YYRHSLOC( Rhs, N ).last_line; \
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| 218 | (Cur).last_column = YYRHSLOC( Rhs, N ).last_column; \
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| 219 | (Cur).filename = YYRHSLOC( Rhs, 1 ).filename; \
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| 220 | } else { \
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| 221 | (Cur).first_line = (Cur).last_line = YYRHSLOC( Rhs, 0 ).last_line; \
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| 222 | (Cur).first_column = (Cur).last_column = YYRHSLOC( Rhs, 0 ).last_column; \
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| 223 | (Cur).filename = YYRHSLOC( Rhs, 0 ).filename; \
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| 224 | }
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[51b73452] | 225 | %}
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| 226 |
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[15697ff] | 227 | %define parse.error verbose
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| 228 |
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[201aeb9] | 229 | // Types declaration for productions
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[0982a05] | 230 | %union {
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[a67b60e] | 231 | Token tok;
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| 232 | ParseNode * pn;
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| 233 | ExpressionNode * en;
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| 234 | DeclarationNode * decl;
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[312029a] | 235 | AggregateDecl::Aggregate aggKey;
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[07de76b] | 236 | TypeDecl::Kind tclass;
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[a67b60e] | 237 | StatementNode * sn;
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[135b431] | 238 | WaitForStmt * wfs;
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[e612146c] | 239 | Expression * constant;
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[473d1da0] | 240 | CondCtl * ifctl;
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[f271bdd] | 241 | ForCtrl * fctl;
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[cc22003] | 242 | enum OperKinds compop;
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[a67b60e] | 243 | LabelNode * label;
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| 244 | InitializerNode * in;
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| 245 | OperKinds op;
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| 246 | std::string * str;
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| 247 | bool flag;
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[307a732] | 248 | CatchStmt::Kind catch_kind;
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[d807ca28] | 249 | GenericExpr * genexpr;
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[a67b60e] | 250 | }
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| 251 |
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[c11e31c] | 252 | //************************* TERMINAL TOKENS ********************************
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[51b73452] | 253 |
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[c11e31c] | 254 | // keywords
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[51b73452] | 255 | %token TYPEDEF
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[a7c90d4] | 256 | %token EXTERN STATIC AUTO REGISTER
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| 257 | %token THREADLOCAL // C11
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| 258 | %token INLINE FORTRAN // C99, extension ISO/IEC 9899:1999 Section J.5.9(1)
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| 259 | %token NORETURN // C11
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[51b73452] | 260 | %token CONST VOLATILE
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[b87a5ed] | 261 | %token RESTRICT // C99
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[a7c90d4] | 262 | %token ATOMIC // C11
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[1f652a7] | 263 | %token FORALL MUTEX VIRTUAL VTABLE COERCE // CFA
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[72457b6] | 264 | %token VOID CHAR SHORT INT LONG FLOAT DOUBLE SIGNED UNSIGNED
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[b87a5ed] | 265 | %token BOOL COMPLEX IMAGINARY // C99
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[f1da02c] | 266 | %token INT128 UINT128 uuFLOAT80 uuFLOAT128 // GCC
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[e15853c] | 267 | %token uFLOAT16 uFLOAT32 uFLOAT32X uFLOAT64 uFLOAT64X uFLOAT128 // GCC
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[15f769c] | 268 | %token DECIMAL32 DECIMAL64 DECIMAL128 // GCC
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[72457b6] | 269 | %token ZERO_T ONE_T // CFA
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[1f652a7] | 270 | %token SIZEOF TYPEOF VALIST AUTO_TYPE // GCC
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| 271 | %token OFFSETOF BASETYPEOF TYPEID // CFA
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[51b73452] | 272 | %token ENUM STRUCT UNION
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[c27fb59] | 273 | %token EXCEPTION // CFA
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[553772b] | 274 | %token GENERATOR COROUTINE MONITOR THREAD // CFA
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[a7c90d4] | 275 | %token OTYPE FTYPE DTYPE TTYPE TRAIT // CFA
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[25744d2] | 276 | // %token RESUME // CFA
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[1f652a7] | 277 | %token LABEL // GCC
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[25744d2] | 278 | %token SUSPEND // CFA
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[b87a5ed] | 279 | %token ATTRIBUTE EXTENSION // GCC
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[51b73452] | 280 | %token IF ELSE SWITCH CASE DEFAULT DO WHILE FOR BREAK CONTINUE GOTO RETURN
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[4744074] | 281 | %token CHOOSE FALLTHRU FALLTHROUGH WITH WHEN WAITFOR // CFA
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| 282 | %token DISABLE ENABLE TRY THROW THROWRESUME AT // CFA
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[b87a5ed] | 283 | %token ASM // C99, extension ISO/IEC 9899:1999 Section J.5.10(1)
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[a7c90d4] | 284 | %token ALIGNAS ALIGNOF GENERIC STATICASSERT // C11
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[51b73452] | 285 |
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[c11e31c] | 286 | // names and constants: lexer differentiates between identifier and typedef names
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[6e50a6b] | 287 | %token<tok> IDENTIFIER QUOTED_IDENTIFIER TYPEDIMname TYPEDEFname TYPEGENname
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[9fb1367] | 288 | %token<tok> TIMEOUT WOR CATCH RECOVER CATCHRESUME FIXUP FINALLY // CFA
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| 289 | %token<tok> INTEGERconstant CHARACTERconstant STRINGliteral
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[61fc4f6] | 290 | %token<tok> DIRECTIVE
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[1b29996] | 291 | // Floating point constant is broken into three kinds of tokens because of the ambiguity with tuple indexing and
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| 292 | // overloading constants 0/1, e.g., x.1 is lexed as (x)(.1), where (.1) is a factional constant, but is semantically
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| 293 | // converted into the tuple index (.)(1). e.g., 3.x
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[930f69e] | 294 | %token<tok> FLOATING_DECIMALconstant FLOATING_FRACTIONconstant FLOATINGconstant
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[51b73452] | 295 |
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[c11e31c] | 296 | // multi-character operators
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[b87a5ed] | 297 | %token ARROW // ->
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| 298 | %token ICR DECR // ++ --
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| 299 | %token LS RS // << >>
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| 300 | %token LE GE EQ NE // <= >= == !=
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| 301 | %token ANDAND OROR // && ||
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| 302 | %token ELLIPSIS // ...
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| 303 |
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[e5f2a67] | 304 | %token EXPassign MULTassign DIVassign MODassign // \= *= /= %=
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[b87a5ed] | 305 | %token PLUSassign MINUSassign // += -=
|
---|
| 306 | %token LSassign RSassign // <<= >>=
|
---|
| 307 | %token ANDassign ERassign ORassign // &= ^= |=
|
---|
[51b73452] | 308 |
|
---|
[d69f4bb4] | 309 | %token ErangeUpEq ErangeDown ErangeDownEq // ~= -~ -~=
|
---|
[e7aed49] | 310 | %token ATassign // @=
|
---|
[097e2b0] | 311 |
|
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[e16eb460] | 312 | %type<tok> identifier identifier_at identifier_or_type_name attr_name
|
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[5b2edbc] | 313 | %type<tok> quasi_keyword
|
---|
[ab57786] | 314 | %type<constant> string_literal
|
---|
| 315 | %type<str> string_literal_list
|
---|
[51b73452] | 316 |
|
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[c11e31c] | 317 | // expressions
|
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[d1625f8] | 318 | %type<en> constant
|
---|
[b87a5ed] | 319 | %type<en> tuple tuple_expression_list
|
---|
[f9c3100] | 320 | %type<op> ptrref_operator unary_operator assignment_operator simple_assignment_operator compound_assignment_operator
|
---|
[b87a5ed] | 321 | %type<en> primary_expression postfix_expression unary_expression
|
---|
[4a063df] | 322 | %type<en> cast_expression_list cast_expression exponential_expression multiplicative_expression additive_expression
|
---|
[994d080] | 323 | %type<en> shift_expression relational_expression equality_expression
|
---|
| 324 | %type<en> AND_expression exclusive_OR_expression inclusive_OR_expression
|
---|
| 325 | %type<en> logical_AND_expression logical_OR_expression
|
---|
| 326 | %type<en> conditional_expression constant_expression assignment_expression assignment_expression_opt
|
---|
[b87a5ed] | 327 | %type<en> comma_expression comma_expression_opt
|
---|
[e16eb460] | 328 | %type<en> argument_expression_list_opt argument_expression_list argument_expression default_initializer_opt
|
---|
[473d1da0] | 329 | %type<ifctl> conditional_declaration
|
---|
[6d01d89] | 330 | %type<fctl> for_control_expression for_control_expression_list
|
---|
[cc22003] | 331 | %type<compop> inclexcl
|
---|
[51b73452] | 332 | %type<en> subrange
|
---|
[c0aa336] | 333 | %type<decl> asm_name_opt
|
---|
[67d4e37] | 334 | %type<en> asm_operands_opt asm_operands_list asm_operand
|
---|
[7f5566b] | 335 | %type<label> label_list
|
---|
[d1625f8] | 336 | %type<en> asm_clobbers_list_opt
|
---|
[7f5566b] | 337 | %type<flag> asm_volatile_opt
|
---|
[cbce272] | 338 | %type<en> handler_predicate_opt
|
---|
[67d4e37] | 339 | %type<genexpr> generic_association generic_assoc_list
|
---|
[51b73452] | 340 |
|
---|
[c11e31c] | 341 | // statements
|
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[9bd6105] | 342 | %type<sn> statement labeled_statement compound_statement
|
---|
| 343 | %type<sn> statement_decl statement_decl_list statement_list_nodecl
|
---|
[3d26610] | 344 | %type<sn> selection_statement if_statement
|
---|
[6a276a0] | 345 | %type<sn> switch_clause_list_opt switch_clause_list
|
---|
[9bd6105] | 346 | %type<en> case_value
|
---|
| 347 | %type<sn> case_clause case_value_list case_label case_label_list
|
---|
[efc8f3e] | 348 | %type<sn> iteration_statement jump_statement
|
---|
[9bd6105] | 349 | %type<sn> expression_statement asm_statement
|
---|
[c453ac4] | 350 | %type<sn> with_statement
|
---|
| 351 | %type<en> with_clause_opt
|
---|
[51d6d6a] | 352 | %type<sn> exception_statement handler_clause finally_clause
|
---|
| 353 | %type<catch_kind> handler_key
|
---|
[b6b3c42] | 354 | %type<sn> mutex_statement
|
---|
[9bd6105] | 355 | %type<en> when_clause when_clause_opt waitfor timeout
|
---|
[135b431] | 356 | %type<sn> waitfor_statement
|
---|
[51d6d6a] | 357 | %type<wfs> waitfor_clause
|
---|
[51b73452] | 358 |
|
---|
[c11e31c] | 359 | // declarations
|
---|
[c0aa336] | 360 | %type<decl> abstract_declarator abstract_ptr abstract_array abstract_function array_dimension multi_array_dimension
|
---|
| 361 | %type<decl> abstract_parameter_declarator abstract_parameter_ptr abstract_parameter_array abstract_parameter_function array_parameter_dimension array_parameter_1st_dimension
|
---|
| 362 | %type<decl> abstract_parameter_declaration
|
---|
[51b73452] | 363 |
|
---|
[e307e12] | 364 | %type<aggKey> aggregate_key aggregate_data aggregate_control
|
---|
[d0ffed1] | 365 | %type<decl> aggregate_type aggregate_type_nobody
|
---|
[51b73452] | 366 |
|
---|
[9997fee] | 367 | %type<decl> assertion assertion_list assertion_list_opt
|
---|
[51b73452] | 368 |
|
---|
[25744d2] | 369 | %type<en> bit_subrange_size_opt bit_subrange_size
|
---|
[51b73452] | 370 |
|
---|
[84d58c5] | 371 | %type<decl> basic_declaration_specifier basic_type_name basic_type_specifier direct_type indirect_type
|
---|
[1f652a7] | 372 | %type<decl> vtable vtable_opt default_opt
|
---|
[51b73452] | 373 |
|
---|
[4040425] | 374 | %type<decl> trait_declaration trait_declaration_list trait_declaring_list trait_specifier
|
---|
[51b73452] | 375 |
|
---|
| 376 | %type<decl> declaration declaration_list declaration_list_opt declaration_qualifier_list
|
---|
[d0ffed1] | 377 | %type<decl> declaration_specifier declaration_specifier_nobody declarator declaring_list
|
---|
[51b73452] | 378 |
|
---|
[d0ffed1] | 379 | %type<decl> elaborated_type elaborated_type_nobody
|
---|
[51b73452] | 380 |
|
---|
[d0ffed1] | 381 | %type<decl> enumerator_list enum_type enum_type_nobody
|
---|
[51b73452] | 382 | %type<en> enumerator_value_opt
|
---|
| 383 |
|
---|
[3d56d15b] | 384 | %type<decl> external_definition external_definition_list external_definition_list_opt
|
---|
| 385 |
|
---|
| 386 | %type<decl> exception_declaration
|
---|
[51b73452] | 387 |
|
---|
[e07caa2] | 388 | %type<decl> field_declaration_list_opt field_declaration field_declaring_list_opt field_declarator field_abstract_list_opt field_abstract
|
---|
[679e644] | 389 | %type<en> field field_name_list field_name fraction_constants_opt
|
---|
[51b73452] | 390 |
|
---|
[4d51835] | 391 | %type<decl> external_function_definition function_definition function_array function_declarator function_no_ptr function_ptr
|
---|
[51b73452] | 392 |
|
---|
[d3bc0ad] | 393 | %type<decl> identifier_parameter_declarator identifier_parameter_ptr identifier_parameter_array identifier_parameter_function
|
---|
| 394 | %type<decl> identifier_list
|
---|
[51b73452] | 395 |
|
---|
[c0aa336] | 396 | %type<decl> cfa_abstract_array cfa_abstract_declarator_no_tuple cfa_abstract_declarator_tuple
|
---|
| 397 | %type<decl> cfa_abstract_function cfa_abstract_parameter_declaration cfa_abstract_parameter_list
|
---|
| 398 | %type<decl> cfa_abstract_ptr cfa_abstract_tuple
|
---|
[51b73452] | 399 |
|
---|
[c0aa336] | 400 | %type<decl> cfa_array_parameter_1st_dimension
|
---|
[51b73452] | 401 |
|
---|
[679e644] | 402 | %type<decl> cfa_trait_declaring_list cfa_declaration cfa_field_declaring_list cfa_field_abstract_list
|
---|
[c0aa336] | 403 | %type<decl> cfa_function_declaration cfa_function_return cfa_function_specifier
|
---|
[51b73452] | 404 |
|
---|
[c0aa336] | 405 | %type<decl> cfa_identifier_parameter_array cfa_identifier_parameter_declarator_no_tuple
|
---|
| 406 | %type<decl> cfa_identifier_parameter_declarator_tuple cfa_identifier_parameter_ptr
|
---|
[51b73452] | 407 |
|
---|
[40de461] | 408 | %type<decl> cfa_parameter_declaration cfa_parameter_list cfa_parameter_ellipsis_list_opt
|
---|
[51b73452] | 409 |
|
---|
[c0aa336] | 410 | %type<decl> cfa_typedef_declaration cfa_variable_declaration cfa_variable_specifier
|
---|
[51b73452] | 411 |
|
---|
[b9be000b] | 412 | %type<decl> c_declaration static_assert
|
---|
[c0aa336] | 413 | %type<decl> KR_function_declarator KR_function_no_ptr KR_function_ptr KR_function_array
|
---|
[35718a9] | 414 | %type<decl> KR_parameter_list KR_parameter_list_opt
|
---|
[51b73452] | 415 |
|
---|
[2a8427c6] | 416 | %type<decl> parameter_declaration parameter_list parameter_type_list_opt
|
---|
[51b73452] | 417 |
|
---|
[2871210] | 418 | %type<decl> paren_identifier paren_type
|
---|
[51b73452] | 419 |
|
---|
[0da3e2c] | 420 | %type<decl> storage_class storage_class_list
|
---|
[51b73452] | 421 |
|
---|
[d0ffed1] | 422 | %type<decl> sue_declaration_specifier sue_declaration_specifier_nobody sue_type_specifier sue_type_specifier_nobody
|
---|
[51b73452] | 423 |
|
---|
[5a51798] | 424 | %type<tclass> type_class new_type_class
|
---|
[51b73452] | 425 | %type<decl> type_declarator type_declarator_name type_declaring_list
|
---|
| 426 |
|
---|
[84d58c5] | 427 | %type<decl> type_declaration_specifier type_type_specifier type_name typegen_name
|
---|
[f9c3100] | 428 | %type<decl> typedef_name typedef_declaration typedef_expression
|
---|
[c0aa336] | 429 |
|
---|
| 430 | %type<decl> variable_type_redeclarator type_ptr type_array type_function
|
---|
| 431 |
|
---|
| 432 | %type<decl> type_parameter_redeclarator type_parameter_ptr type_parameter_array type_parameter_function
|
---|
[51b73452] | 433 |
|
---|
[84d58c5] | 434 | %type<decl> type type_no_function
|
---|
| 435 | %type<decl> type_parameter type_parameter_list type_initializer_opt
|
---|
[51b73452] | 436 |
|
---|
[284da8c] | 437 | %type<en> type_parameters_opt type_list
|
---|
[51b73452] | 438 |
|
---|
[a16a7ec] | 439 | %type<decl> type_qualifier type_qualifier_name forall type_qualifier_list_opt type_qualifier_list
|
---|
[f9c3100] | 440 | %type<decl> type_specifier type_specifier_nobody
|
---|
[51b73452] | 441 |
|
---|
[c0aa336] | 442 | %type<decl> variable_declarator variable_ptr variable_array variable_function
|
---|
| 443 | %type<decl> variable_abstract_declarator variable_abstract_ptr variable_abstract_array variable_abstract_function
|
---|
[51b73452] | 444 |
|
---|
[f9c3100] | 445 | %type<decl> attribute_list_opt attribute_list attribute attribute_name_list attribute_name
|
---|
[1db21619] | 446 |
|
---|
[c11e31c] | 447 | // initializers
|
---|
[7fdb94e1] | 448 | %type<in> initializer initializer_list_opt initializer_opt
|
---|
[51b73452] | 449 |
|
---|
[c11e31c] | 450 | // designators
|
---|
[51b73452] | 451 | %type<en> designator designator_list designation
|
---|
| 452 |
|
---|
| 453 |
|
---|
[65d6de4] | 454 | // Handle shift/reduce conflict for dangling else by shifting the ELSE token. For example, this string is ambiguous:
|
---|
| 455 | // .---------. matches IF '(' comma_expression ')' statement . (reduce)
|
---|
| 456 | // if ( C ) S1 else S2
|
---|
| 457 | // `-----------------' matches IF '(' comma_expression ')' statement . (shift) ELSE statement */
|
---|
[5b2edbc] | 458 | // Similar issues exit with the waitfor statement.
|
---|
[51b73452] | 459 |
|
---|
[1efa1e1] | 460 | // Order of these lines matters (low-to-high precedence). THEN is left associative over WOR/TIMEOUT/ELSE, WOR is left
|
---|
| 461 | // associative over TIMEOUT/ELSE, and TIMEOUT is left associative over ELSE.
|
---|
[9fb1367] | 462 | %precedence THEN // rule precedence for IF/WAITFOR statement
|
---|
| 463 | %precedence WOR // token precedence for start of WOR in WAITFOR statement
|
---|
| 464 | %precedence TIMEOUT // token precedence for start of TIMEOUT in WAITFOR statement
|
---|
| 465 | %precedence CATCH // token precedence for start of TIMEOUT in WAITFOR statement
|
---|
| 466 | %precedence RECOVER // token precedence for start of TIMEOUT in WAITFOR statement
|
---|
| 467 | %precedence CATCHRESUME // token precedence for start of TIMEOUT in WAITFOR statement
|
---|
| 468 | %precedence FIXUP // token precedence for start of TIMEOUT in WAITFOR statement
|
---|
| 469 | %precedence FINALLY // token precedence for start of TIMEOUT in WAITFOR statement
|
---|
| 470 | %precedence ELSE // token precedence for start of else clause in IF/WAITFOR statement
|
---|
| 471 |
|
---|
[51b73452] | 472 |
|
---|
[65d6de4] | 473 | // Handle shift/reduce conflict for generic type by shifting the '(' token. For example, this string is ambiguous:
|
---|
| 474 | // forall( otype T ) struct Foo { T v; };
|
---|
| 475 | // .-----. matches pointer to function returning a generic (which is impossible without a type)
|
---|
| 476 | // Foo ( *fp )( int );
|
---|
| 477 | // `---' matches start of TYPEGENname '('
|
---|
[fc20514] | 478 | // must be:
|
---|
[a16a7ec] | 479 | // Foo( int ) ( *fp )( int );
|
---|
[fc20514] | 480 | // The same problem occurs here:
|
---|
| 481 | // forall( otype T ) struct Foo { T v; } ( *fp )( int );
|
---|
| 482 | // must be:
|
---|
| 483 | // forall( otype T ) struct Foo { T v; } ( int ) ( *fp )( int );
|
---|
[65d6de4] | 484 |
|
---|
| 485 | // Order of these lines matters (low-to-high precedence).
|
---|
| 486 | %precedence TYPEGENname
|
---|
[284da8c] | 487 | %precedence '}'
|
---|
[65d6de4] | 488 | %precedence '('
|
---|
| 489 |
|
---|
[c786e1d] | 490 | // %precedence RESUME
|
---|
| 491 | // %precedence '{'
|
---|
| 492 | // %precedence ')'
|
---|
| 493 |
|
---|
[f38e7d7] | 494 | %locations // support location tracking for error messages
|
---|
[930f69e] | 495 |
|
---|
[b87a5ed] | 496 | %start translation_unit // parse-tree root
|
---|
[51b73452] | 497 |
|
---|
| 498 | %%
|
---|
[c11e31c] | 499 | //************************* Namespace Management ********************************
|
---|
| 500 |
|
---|
[3d26610] | 501 | // The C grammar is not context free because it relies on the distinct terminal symbols "identifier" and "TYPEDEFname",
|
---|
| 502 | // which are lexically identical.
|
---|
[c11e31c] | 503 | //
|
---|
[3d26610] | 504 | // typedef int foo; // identifier foo must now be scanned as TYPEDEFname
|
---|
| 505 | // foo f; // to allow it to appear in this context
|
---|
[c11e31c] | 506 | //
|
---|
[3d26610] | 507 | // While it may be possible to write a purely context-free grammar, such a grammar would obscure the relationship
|
---|
| 508 | // between syntactic and semantic constructs. Cforall compounds this problem by introducing type names local to the
|
---|
| 509 | // scope of a declaration (for instance, those introduced through "forall" qualifiers), and by introducing "type
|
---|
| 510 | // generators" -- parameterized types. This latter type name creates a third class of identifiers, "TYPEGENname", which
|
---|
| 511 | // must be distinguished by the lexical scanner.
|
---|
[c11e31c] | 512 | //
|
---|
[3d26610] | 513 | // Since the scanner cannot distinguish among the different classes of identifiers without some context information,
|
---|
| 514 | // there is a type table (typedefTable), which holds type names and identifiers that override type names, for each named
|
---|
| 515 | // scope. During parsing, semantic actions update the type table by adding new identifiers in the current scope. For
|
---|
| 516 | // each context that introduces a name scope, a new level is created in the type table and that level is popped on
|
---|
| 517 | // exiting the scope. Since type names can be local to a particular declaration, each declaration is itself a scope.
|
---|
| 518 | // This requires distinguishing between type names that are local to the current declaration scope and those that
|
---|
| 519 | // persist past the end of the declaration (i.e., names defined in "typedef" or "otype" declarations).
|
---|
[c11e31c] | 520 | //
|
---|
[3d26610] | 521 | // The non-terminals "push" and "pop" denote the opening and closing of named scopes. Every push has a matching pop in
|
---|
| 522 | // the production rule. There are multiple lists of declarations, where each declaration is a named scope, so pop/push
|
---|
| 523 | // around the list separator.
|
---|
| 524 | //
|
---|
| 525 | // int f( forall(T) T (*f1) T , forall( S ) S (*f2)( S ) );
|
---|
| 526 | // push pop push pop
|
---|
[51b73452] | 527 |
|
---|
| 528 | push:
|
---|
[ab57786] | 529 | { typedefTable.enterScope(); }
|
---|
[4d51835] | 530 | ;
|
---|
[51b73452] | 531 |
|
---|
| 532 | pop:
|
---|
[ab57786] | 533 | { typedefTable.leaveScope(); }
|
---|
[4d51835] | 534 | ;
|
---|
[51b73452] | 535 |
|
---|
[c11e31c] | 536 | //************************* CONSTANTS ********************************
|
---|
[51b73452] | 537 |
|
---|
| 538 | constant:
|
---|
[de62360d] | 539 | // ENUMERATIONconstant is not included here; it is treated as a variable with type "enumeration constant".
|
---|
[ab57786] | 540 | INTEGERconstant { $$ = new ExpressionNode( build_constantInteger( *$1 ) ); }
|
---|
[930f69e] | 541 | | FLOATING_DECIMALconstant { $$ = new ExpressionNode( build_constantFloat( *$1 ) ); }
|
---|
| 542 | | FLOATING_FRACTIONconstant { $$ = new ExpressionNode( build_constantFloat( *$1 ) ); }
|
---|
[ab57786] | 543 | | FLOATINGconstant { $$ = new ExpressionNode( build_constantFloat( *$1 ) ); }
|
---|
| 544 | | CHARACTERconstant { $$ = new ExpressionNode( build_constantChar( *$1 ) ); }
|
---|
[4d51835] | 545 | ;
|
---|
[51b73452] | 546 |
|
---|
[5b2edbc] | 547 | quasi_keyword: // CFA
|
---|
| 548 | TIMEOUT
|
---|
| 549 | | WOR
|
---|
[9fb1367] | 550 | | CATCH
|
---|
| 551 | | RECOVER
|
---|
| 552 | | CATCHRESUME
|
---|
| 553 | | FIXUP
|
---|
| 554 | | FINALLY
|
---|
[5b2edbc] | 555 | ;
|
---|
| 556 |
|
---|
[033ff37] | 557 | identifier:
|
---|
[4d51835] | 558 | IDENTIFIER
|
---|
[5b2edbc] | 559 | | quasi_keyword
|
---|
[e16eb460] | 560 | ;
|
---|
| 561 |
|
---|
| 562 | identifier_at:
|
---|
| 563 | identifier
|
---|
[679e644] | 564 | | '@' // CFA
|
---|
| 565 | { Token tok = { new string( DeclarationNode::anonymous.newName() ), yylval.tok.loc }; $$ = tok; }
|
---|
[4d51835] | 566 | ;
|
---|
[51b73452] | 567 |
|
---|
[ab57786] | 568 | string_literal:
|
---|
| 569 | string_literal_list { $$ = build_constantStr( *$1 ); }
|
---|
| 570 | ;
|
---|
| 571 |
|
---|
[b87a5ed] | 572 | string_literal_list: // juxtaposed strings are concatenated
|
---|
[ab57786] | 573 | STRINGliteral { $$ = $1; } // conversion from tok to str
|
---|
[7bf7fb9] | 574 | | string_literal_list STRINGliteral
|
---|
| 575 | {
|
---|
[15697ff] | 576 | if ( ! appendStr( *$1, *$2 ) ) YYERROR; // append 2nd juxtaposed string to 1st
|
---|
[7bf7fb9] | 577 | delete $2; // allocated by lexer
|
---|
[ab57786] | 578 | $$ = $1; // conversion from tok to str
|
---|
[7bf7fb9] | 579 | }
|
---|
[4d51835] | 580 | ;
|
---|
[51b73452] | 581 |
|
---|
[c11e31c] | 582 | //************************* EXPRESSIONS ********************************
|
---|
[51b73452] | 583 |
|
---|
| 584 | primary_expression:
|
---|
[4d51835] | 585 | IDENTIFIER // typedef name cannot be used as a variable name
|
---|
[d1625f8] | 586 | { $$ = new ExpressionNode( build_varref( $1 ) ); }
|
---|
[5b2edbc] | 587 | | quasi_keyword
|
---|
| 588 | { $$ = new ExpressionNode( build_varref( $1 ) ); }
|
---|
[6e50a6b] | 589 | | TYPEDIMname // CFA, generic length argument
|
---|
| 590 | // { $$ = new ExpressionNode( new TypeExpr( maybeMoveBuildType( DeclarationNode::newFromTypedef( $1 ) ) ) ); }
|
---|
| 591 | // { $$ = new ExpressionNode( build_varref( $1 ) ); }
|
---|
| 592 | { $$ = new ExpressionNode( build_dimensionref( $1 ) ); }
|
---|
[1b29996] | 593 | | tuple
|
---|
[4d51835] | 594 | | '(' comma_expression ')'
|
---|
| 595 | { $$ = $2; }
|
---|
| 596 | | '(' compound_statement ')' // GCC, lambda expression
|
---|
[408ab79] | 597 | { $$ = new ExpressionNode( new StmtExpr( dynamic_cast<CompoundStmt *>(maybeMoveBuild<Statement>($2) ) ) ); }
|
---|
[033ff37] | 598 | | type_name '.' identifier // CFA, nested type
|
---|
[203c667] | 599 | { SemanticError( yylloc, "Qualified name is currently unimplemented." ); $$ = nullptr; }
|
---|
[679e644] | 600 | | type_name '.' '[' field_name_list ']' // CFA, nested type / tuple field selector
|
---|
[203c667] | 601 | { SemanticError( yylloc, "Qualified name is currently unimplemented." ); $$ = nullptr; }
|
---|
[24c3b67] | 602 | | GENERIC '(' assignment_expression ',' generic_assoc_list ')' // C11
|
---|
[d807ca28] | 603 | {
|
---|
| 604 | // add the missing control expression to the GenericExpr and return it
|
---|
| 605 | $5->control = maybeMoveBuild<Expression>( $3 );
|
---|
| 606 | $$ = new ExpressionNode( $5 );
|
---|
| 607 | }
|
---|
[c786e1d] | 608 | // | RESUME '(' comma_expression ')'
|
---|
| 609 | // { SemanticError( yylloc, "Resume expression is currently unimplemented." ); $$ = nullptr; }
|
---|
| 610 | // | RESUME '(' comma_expression ')' compound_statement
|
---|
| 611 | // { SemanticError( yylloc, "Resume expression is currently unimplemented." ); $$ = nullptr; }
|
---|
[24c3b67] | 612 | ;
|
---|
| 613 |
|
---|
| 614 | generic_assoc_list: // C11
|
---|
[d807ca28] | 615 | generic_association
|
---|
[24c3b67] | 616 | | generic_assoc_list ',' generic_association
|
---|
[d807ca28] | 617 | {
|
---|
| 618 | // steal the association node from the singleton and delete the wrapper
|
---|
| 619 | $1->associations.splice($1->associations.end(), $3->associations);
|
---|
| 620 | delete $3;
|
---|
| 621 | $$ = $1;
|
---|
| 622 | }
|
---|
[24c3b67] | 623 | ;
|
---|
| 624 |
|
---|
| 625 | generic_association: // C11
|
---|
| 626 | type_no_function ':' assignment_expression
|
---|
[d807ca28] | 627 | {
|
---|
| 628 | // create a GenericExpr wrapper with one association pair
|
---|
[408ab79] | 629 | $$ = new GenericExpr( nullptr, { { maybeMoveBuildType($1), maybeMoveBuild<Expression>( $3 ) } } );
|
---|
[d807ca28] | 630 | }
|
---|
[24c3b67] | 631 | | DEFAULT ':' assignment_expression
|
---|
[408ab79] | 632 | { $$ = new GenericExpr( nullptr, { { maybeMoveBuild<Expression>( $3 ) } } ); }
|
---|
[4d51835] | 633 | ;
|
---|
[51b73452] | 634 |
|
---|
| 635 | postfix_expression:
|
---|
[4d51835] | 636 | primary_expression
|
---|
[1d71208] | 637 | | postfix_expression '[' assignment_expression ',' tuple_expression_list ']'
|
---|
| 638 | // Historic, transitional: Disallow commas in subscripts.
|
---|
| 639 | // Switching to this behaviour may help check if a C compatibilty case uses comma-exprs in subscripts.
|
---|
| 640 | // { SemanticError( yylloc, "New array subscript is currently unimplemented." ); $$ = nullptr; }
|
---|
| 641 | // Current: Commas in subscripts make tuples.
|
---|
| 642 | { $$ = new ExpressionNode( build_binary_val( OperKinds::Index, $1, new ExpressionNode( build_tuple( (ExpressionNode *)($3->set_last( $5 ) ) )) ) ); }
|
---|
[7fdb94e1] | 643 | | postfix_expression '[' assignment_expression ']'
|
---|
[c6b1105] | 644 | // CFA, comma_expression disallowed in this context because it results in a common user error: subscripting a
|
---|
[de62360d] | 645 | // matrix with x[i,j] instead of x[i][j]. While this change is not backwards compatible, there seems to be
|
---|
| 646 | // little advantage to this feature and many disadvantages. It is possible to write x[(i,j)] in CFA, which is
|
---|
| 647 | // equivalent to the old x[i,j].
|
---|
[7fdb94e1] | 648 | { $$ = new ExpressionNode( build_binary_val( OperKinds::Index, $1, $3 ) ); }
|
---|
[cbbd8fd7] | 649 | | postfix_expression '{' argument_expression_list_opt '}' // CFA, constructor call
|
---|
[bd3d9e4] | 650 | {
|
---|
| 651 | Token fn;
|
---|
| 652 | fn.str = new std::string( "?{}" ); // location undefined - use location of '{'?
|
---|
| 653 | $$ = new ExpressionNode( new ConstructorExpr( build_func( new ExpressionNode( build_varref( fn ) ), (ExpressionNode *)( $1 )->set_last( $3 ) ) ) );
|
---|
| 654 | }
|
---|
[cbbd8fd7] | 655 | | postfix_expression '(' argument_expression_list_opt ')'
|
---|
[d1625f8] | 656 | { $$ = new ExpressionNode( build_func( $1, $3 ) ); }
|
---|
[948fdef] | 657 | | postfix_expression '`' identifier // CFA, postfix call
|
---|
[60a8062] | 658 | { $$ = new ExpressionNode( build_func( new ExpressionNode( build_varref( build_postfix_name( $3 ) ) ), $1 ) ); }
|
---|
[948fdef] | 659 | | constant '`' identifier // CFA, postfix call
|
---|
[60a8062] | 660 | { $$ = new ExpressionNode( build_func( new ExpressionNode( build_varref( build_postfix_name( $3 ) ) ), $1 ) ); }
|
---|
[948fdef] | 661 | | string_literal '`' identifier // CFA, postfix call
|
---|
[60a8062] | 662 | { $$ = new ExpressionNode( build_func( new ExpressionNode( build_varref( build_postfix_name( $3 ) ) ), new ExpressionNode( $1 ) ) ); }
|
---|
[033ff37] | 663 | | postfix_expression '.' identifier
|
---|
[d1625f8] | 664 | { $$ = new ExpressionNode( build_fieldSel( $1, build_varref( $3 ) ) ); }
|
---|
[df22130] | 665 | | postfix_expression '.' INTEGERconstant // CFA, tuple index
|
---|
| 666 | { $$ = new ExpressionNode( build_fieldSel( $1, build_constantInteger( *$3 ) ) ); }
|
---|
[930f69e] | 667 | | postfix_expression FLOATING_FRACTIONconstant // CFA, tuple index
|
---|
| 668 | { $$ = new ExpressionNode( build_fieldSel( $1, build_field_name_FLOATING_FRACTIONconstant( *$2 ) ) ); }
|
---|
[679e644] | 669 | | postfix_expression '.' '[' field_name_list ']' // CFA, tuple field selector
|
---|
[7fdb94e1] | 670 | { $$ = new ExpressionNode( build_fieldSel( $1, build_tuple( $4 ) ) ); }
|
---|
[e307e12] | 671 | | postfix_expression '.' aggregate_control
|
---|
[312029a] | 672 | { $$ = new ExpressionNode( build_keyword_cast( $3, $1 ) ); }
|
---|
[033ff37] | 673 | | postfix_expression ARROW identifier
|
---|
[ee27df2] | 674 | { $$ = new ExpressionNode( build_pfieldSel( $1, build_varref( $3 ) ) ); }
|
---|
[861799c7] | 675 | | postfix_expression ARROW INTEGERconstant // CFA, tuple index
|
---|
| 676 | { $$ = new ExpressionNode( build_pfieldSel( $1, build_constantInteger( *$3 ) ) ); }
|
---|
[679e644] | 677 | | postfix_expression ARROW '[' field_name_list ']' // CFA, tuple field selector
|
---|
[7fdb94e1] | 678 | { $$ = new ExpressionNode( build_pfieldSel( $1, build_tuple( $4 ) ) ); }
|
---|
[4d51835] | 679 | | postfix_expression ICR
|
---|
[d1625f8] | 680 | { $$ = new ExpressionNode( build_unary_ptr( OperKinds::IncrPost, $1 ) ); }
|
---|
[4d51835] | 681 | | postfix_expression DECR
|
---|
[d1625f8] | 682 | { $$ = new ExpressionNode( build_unary_ptr( OperKinds::DecrPost, $1 ) ); }
|
---|
[7fdb94e1] | 683 | | '(' type_no_function ')' '{' initializer_list_opt comma_opt '}' // C99, compound-literal
|
---|
[d1625f8] | 684 | { $$ = new ExpressionNode( build_compoundLiteral( $2, new InitializerNode( $5, true ) ) ); }
|
---|
[7fdb94e1] | 685 | | '(' type_no_function ')' '@' '{' initializer_list_opt comma_opt '}' // CFA, explicit C compound-literal
|
---|
[f810e09] | 686 | { $$ = new ExpressionNode( build_compoundLiteral( $2, (new InitializerNode( $6, true ))->set_maybeConstructed( false ) ) ); }
|
---|
[cbbd8fd7] | 687 | | '^' primary_expression '{' argument_expression_list_opt '}' // CFA, destructor call
|
---|
[097e2b0] | 688 | {
|
---|
[9706554] | 689 | Token fn;
|
---|
[ecb27a7] | 690 | fn.str = new string( "^?{}" ); // location undefined
|
---|
| 691 | $$ = new ExpressionNode( build_func( new ExpressionNode( build_varref( fn ) ), (ExpressionNode *)( $2 )->set_last( $4 ) ) );
|
---|
[097e2b0] | 692 | }
|
---|
[4d51835] | 693 | ;
|
---|
[51b73452] | 694 |
|
---|
[cbbd8fd7] | 695 | argument_expression_list_opt:
|
---|
[757ffed] | 696 | // empty
|
---|
| 697 | { $$ = nullptr; }
|
---|
[e16eb460] | 698 | | argument_expression_list
|
---|
| 699 | ;
|
---|
| 700 |
|
---|
| 701 | argument_expression_list:
|
---|
| 702 | argument_expression
|
---|
[cbbd8fd7] | 703 | | argument_expression_list_opt ',' argument_expression
|
---|
[4a063df] | 704 | { $$ = (ExpressionNode *)($1->set_last( $3 )); }
|
---|
[4d51835] | 705 | ;
|
---|
[51b73452] | 706 |
|
---|
| 707 | argument_expression:
|
---|
[757ffed] | 708 | '@' // CFA, default parameter
|
---|
[679e644] | 709 | { SemanticError( yylloc, "Default parameter for argument is currently unimplemented." ); $$ = nullptr; }
|
---|
| 710 | // { $$ = new ExpressionNode( build_constantInteger( *new string( "2" ) ) ); }
|
---|
[4d51835] | 711 | | assignment_expression
|
---|
| 712 | ;
|
---|
[b87a5ed] | 713 |
|
---|
[679e644] | 714 | field_name_list: // CFA, tuple field selector
|
---|
[4d51835] | 715 | field
|
---|
[4a063df] | 716 | | field_name_list ',' field { $$ = (ExpressionNode *)($1->set_last( $3 )); }
|
---|
[4d51835] | 717 | ;
|
---|
[b87a5ed] | 718 |
|
---|
| 719 | field: // CFA, tuple field selector
|
---|
[faddbd8] | 720 | field_name
|
---|
[930f69e] | 721 | | FLOATING_DECIMALconstant field
|
---|
| 722 | { $$ = new ExpressionNode( build_fieldSel( new ExpressionNode( build_field_name_FLOATING_DECIMALconstant( *$1 ) ), maybeMoveBuild<Expression>( $2 ) ) ); }
|
---|
[679e644] | 723 | | FLOATING_DECIMALconstant '[' field_name_list ']'
|
---|
[7fdb94e1] | 724 | { $$ = new ExpressionNode( build_fieldSel( new ExpressionNode( build_field_name_FLOATING_DECIMALconstant( *$1 ) ), build_tuple( $3 ) ) ); }
|
---|
[faddbd8] | 725 | | field_name '.' field
|
---|
[bf32bb8] | 726 | { $$ = new ExpressionNode( build_fieldSel( $1, maybeMoveBuild<Expression>( $3 ) ) ); }
|
---|
[679e644] | 727 | | field_name '.' '[' field_name_list ']'
|
---|
[7fdb94e1] | 728 | { $$ = new ExpressionNode( build_fieldSel( $1, build_tuple( $4 ) ) ); }
|
---|
[faddbd8] | 729 | | field_name ARROW field
|
---|
[bf32bb8] | 730 | { $$ = new ExpressionNode( build_pfieldSel( $1, maybeMoveBuild<Expression>( $3 ) ) ); }
|
---|
[679e644] | 731 | | field_name ARROW '[' field_name_list ']'
|
---|
[7fdb94e1] | 732 | { $$ = new ExpressionNode( build_pfieldSel( $1, build_tuple( $4 ) ) ); }
|
---|
[4d51835] | 733 | ;
|
---|
[51b73452] | 734 |
|
---|
[faddbd8] | 735 | field_name:
|
---|
[df22130] | 736 | INTEGERconstant fraction_constants_opt
|
---|
[8780e30] | 737 | { $$ = new ExpressionNode( build_field_name_fraction_constants( build_constantInteger( *$1 ), $2 ) ); }
|
---|
[df22130] | 738 | | FLOATINGconstant fraction_constants_opt
|
---|
[8780e30] | 739 | { $$ = new ExpressionNode( build_field_name_fraction_constants( build_field_name_FLOATINGconstant( *$1 ), $2 ) ); }
|
---|
[e16eb460] | 740 | | identifier_at fraction_constants_opt // CFA, allow anonymous fields
|
---|
[4cb935e] | 741 | {
|
---|
[84d58c5] | 742 | $$ = new ExpressionNode( build_field_name_fraction_constants( build_varref( $1 ), $2 ) );
|
---|
| 743 | }
|
---|
[1b29996] | 744 | ;
|
---|
| 745 |
|
---|
[df22130] | 746 | fraction_constants_opt:
|
---|
[1b29996] | 747 | // empty
|
---|
[8780e30] | 748 | { $$ = nullptr; }
|
---|
[df22130] | 749 | | fraction_constants_opt FLOATING_FRACTIONconstant
|
---|
[8780e30] | 750 | {
|
---|
[930f69e] | 751 | Expression * constant = build_field_name_FLOATING_FRACTIONconstant( *$2 );
|
---|
[8780e30] | 752 | $$ = $1 != nullptr ? new ExpressionNode( build_fieldSel( $1, constant ) ) : new ExpressionNode( constant );
|
---|
| 753 | }
|
---|
[faddbd8] | 754 | ;
|
---|
| 755 |
|
---|
[51b73452] | 756 | unary_expression:
|
---|
[4d51835] | 757 | postfix_expression
|
---|
[c6b1105] | 758 | // first location where constant/string can have operator applied: sizeof 3/sizeof "abc" still requires
|
---|
| 759 | // semantics checks, e.g., ++3, 3--, *3, &&3
|
---|
[51b1202] | 760 | | constant
|
---|
[ab57786] | 761 | | string_literal
|
---|
[d1625f8] | 762 | { $$ = new ExpressionNode( $1 ); }
|
---|
[4d51835] | 763 | | EXTENSION cast_expression // GCC
|
---|
[e04ef3a] | 764 | { $$ = $2->set_extension( true ); }
|
---|
[c6b1105] | 765 | // '*' ('&') is separated from unary_operator because of shift/reduce conflict in:
|
---|
| 766 | // { * X; } // dereference X
|
---|
| 767 | // { * int X; } // CFA declaration of pointer to int
|
---|
[51e076e] | 768 | | ptrref_operator cast_expression // CFA
|
---|
[9706554] | 769 | {
|
---|
| 770 | switch ( $1 ) {
|
---|
[d9e2280] | 771 | case OperKinds::AddressOf:
|
---|
[408ab79] | 772 | $$ = new ExpressionNode( new AddressExpr( maybeMoveBuild<Expression>( $2 ) ) );
|
---|
[9706554] | 773 | break;
|
---|
[d9e2280] | 774 | case OperKinds::PointTo:
|
---|
[d1625f8] | 775 | $$ = new ExpressionNode( build_unary_val( $1, $2 ) );
|
---|
[9706554] | 776 | break;
|
---|
[5809461] | 777 | case OperKinds::And:
|
---|
[408ab79] | 778 | $$ = new ExpressionNode( new AddressExpr( new AddressExpr( maybeMoveBuild<Expression>( $2 ) ) ) );
|
---|
[5809461] | 779 | break;
|
---|
[9706554] | 780 | default:
|
---|
| 781 | assert( false );
|
---|
| 782 | }
|
---|
| 783 | }
|
---|
[4d51835] | 784 | | unary_operator cast_expression
|
---|
[d1625f8] | 785 | { $$ = new ExpressionNode( build_unary_val( $1, $2 ) ); }
|
---|
[dd51906] | 786 | | ICR unary_expression
|
---|
[d1625f8] | 787 | { $$ = new ExpressionNode( build_unary_ptr( OperKinds::Incr, $2 ) ); }
|
---|
[dd51906] | 788 | | DECR unary_expression
|
---|
[d1625f8] | 789 | { $$ = new ExpressionNode( build_unary_ptr( OperKinds::Decr, $2 ) ); }
|
---|
[4d51835] | 790 | | SIZEOF unary_expression
|
---|
[408ab79] | 791 | { $$ = new ExpressionNode( new SizeofExpr( maybeMoveBuild<Expression>( $2 ) ) ); }
|
---|
[84d58c5] | 792 | | SIZEOF '(' type_no_function ')'
|
---|
[db70fe4] | 793 | { $$ = new ExpressionNode( new SizeofExpr( maybeMoveBuildType( $3 ) ) ); }
|
---|
[d1625f8] | 794 | | ALIGNOF unary_expression // GCC, variable alignment
|
---|
[408ab79] | 795 | { $$ = new ExpressionNode( new AlignofExpr( maybeMoveBuild<Expression>( $2 ) ) ); }
|
---|
[a2e0687] | 796 | | ALIGNOF '(' type_no_function ')' // GCC, type alignment
|
---|
[db70fe4] | 797 | { $$ = new ExpressionNode( new AlignofExpr( maybeMoveBuildType( $3 ) ) ); }
|
---|
[033ff37] | 798 | | OFFSETOF '(' type_no_function ',' identifier ')'
|
---|
[d1625f8] | 799 | { $$ = new ExpressionNode( build_offsetOf( $3, build_varref( $5 ) ) ); }
|
---|
[1f652a7] | 800 | | TYPEID '(' type_no_function ')'
|
---|
| 801 | {
|
---|
| 802 | SemanticError( yylloc, "typeid name is currently unimplemented." ); $$ = nullptr;
|
---|
| 803 | // $$ = new ExpressionNode( build_offsetOf( $3, build_varref( $5 ) ) );
|
---|
| 804 | }
|
---|
[4d51835] | 805 | ;
|
---|
[51b73452] | 806 |
|
---|
[dd51906] | 807 | ptrref_operator:
|
---|
[d9e2280] | 808 | '*' { $$ = OperKinds::PointTo; }
|
---|
| 809 | | '&' { $$ = OperKinds::AddressOf; }
|
---|
[c6b1105] | 810 | // GCC, address of label must be handled by semantic check for ref,ref,label
|
---|
[9f07232] | 811 | | ANDAND { $$ = OperKinds::And; }
|
---|
[dd51906] | 812 | ;
|
---|
| 813 |
|
---|
[51b73452] | 814 | unary_operator:
|
---|
[d9e2280] | 815 | '+' { $$ = OperKinds::UnPlus; }
|
---|
| 816 | | '-' { $$ = OperKinds::UnMinus; }
|
---|
| 817 | | '!' { $$ = OperKinds::Neg; }
|
---|
| 818 | | '~' { $$ = OperKinds::BitNeg; }
|
---|
[4d51835] | 819 | ;
|
---|
[51b73452] | 820 |
|
---|
| 821 | cast_expression:
|
---|
[4d51835] | 822 | unary_expression
|
---|
[84d58c5] | 823 | | '(' type_no_function ')' cast_expression
|
---|
[d1625f8] | 824 | { $$ = new ExpressionNode( build_cast( $2, $4 ) ); }
|
---|
[e307e12] | 825 | | '(' aggregate_control '&' ')' cast_expression // CFA
|
---|
[312029a] | 826 | { $$ = new ExpressionNode( build_keyword_cast( $2, $5 ) ); }
|
---|
[24711a3] | 827 | | '(' aggregate_control '*' ')' cast_expression // CFA
|
---|
| 828 | { $$ = new ExpressionNode( build_keyword_cast( $2, $5 ) ); }
|
---|
[fae90d5f] | 829 | | '(' VIRTUAL ')' cast_expression // CFA
|
---|
[408ab79] | 830 | { $$ = new ExpressionNode( new VirtualCastExpr( maybeMoveBuild<Expression>( $4 ), maybeMoveBuildType( nullptr ) ) ); }
|
---|
[fae90d5f] | 831 | | '(' VIRTUAL type_no_function ')' cast_expression // CFA
|
---|
[408ab79] | 832 | { $$ = new ExpressionNode( new VirtualCastExpr( maybeMoveBuild<Expression>( $5 ), maybeMoveBuildType( $3 ) ) ); }
|
---|
[1528a2c] | 833 | | '(' RETURN type_no_function ')' cast_expression // CFA
|
---|
| 834 | { SemanticError( yylloc, "Return cast is currently unimplemented." ); $$ = nullptr; }
|
---|
| 835 | | '(' COERCE type_no_function ')' cast_expression // CFA
|
---|
| 836 | { SemanticError( yylloc, "Coerce cast is currently unimplemented." ); $$ = nullptr; }
|
---|
| 837 | | '(' qualifier_cast_list ')' cast_expression // CFA
|
---|
| 838 | { SemanticError( yylloc, "Qualifier cast is currently unimplemented." ); $$ = nullptr; }
|
---|
[84d58c5] | 839 | // | '(' type_no_function ')' tuple
|
---|
[1b29996] | 840 | // { $$ = new ExpressionNode( build_cast( $2, $4 ) ); }
|
---|
[4d51835] | 841 | ;
|
---|
[51b73452] | 842 |
|
---|
[1528a2c] | 843 | qualifier_cast_list:
|
---|
| 844 | cast_modifier type_qualifier_name
|
---|
| 845 | | cast_modifier MUTEX
|
---|
| 846 | | qualifier_cast_list cast_modifier type_qualifier_name
|
---|
| 847 | | qualifier_cast_list cast_modifier MUTEX
|
---|
| 848 | ;
|
---|
| 849 |
|
---|
| 850 | cast_modifier:
|
---|
| 851 | '-'
|
---|
| 852 | | '+'
|
---|
| 853 | ;
|
---|
| 854 |
|
---|
[994d080] | 855 | exponential_expression:
|
---|
[4d51835] | 856 | cast_expression
|
---|
[994d080] | 857 | | exponential_expression '\\' cast_expression
|
---|
[e5f2a67] | 858 | { $$ = new ExpressionNode( build_binary_val( OperKinds::Exp, $1, $3 ) ); }
|
---|
[994d080] | 859 | ;
|
---|
| 860 |
|
---|
| 861 | multiplicative_expression:
|
---|
| 862 | exponential_expression
|
---|
| 863 | | multiplicative_expression '*' exponential_expression
|
---|
[d1625f8] | 864 | { $$ = new ExpressionNode( build_binary_val( OperKinds::Mul, $1, $3 ) ); }
|
---|
[994d080] | 865 | | multiplicative_expression '/' exponential_expression
|
---|
[d1625f8] | 866 | { $$ = new ExpressionNode( build_binary_val( OperKinds::Div, $1, $3 ) ); }
|
---|
[994d080] | 867 | | multiplicative_expression '%' exponential_expression
|
---|
[d1625f8] | 868 | { $$ = new ExpressionNode( build_binary_val( OperKinds::Mod, $1, $3 ) ); }
|
---|
[4d51835] | 869 | ;
|
---|
[51b73452] | 870 |
|
---|
| 871 | additive_expression:
|
---|
[4d51835] | 872 | multiplicative_expression
|
---|
| 873 | | additive_expression '+' multiplicative_expression
|
---|
[d1625f8] | 874 | { $$ = new ExpressionNode( build_binary_val( OperKinds::Plus, $1, $3 ) ); }
|
---|
[4d51835] | 875 | | additive_expression '-' multiplicative_expression
|
---|
[d1625f8] | 876 | { $$ = new ExpressionNode( build_binary_val( OperKinds::Minus, $1, $3 ) ); }
|
---|
[4d51835] | 877 | ;
|
---|
[51b73452] | 878 |
|
---|
| 879 | shift_expression:
|
---|
[4d51835] | 880 | additive_expression
|
---|
| 881 | | shift_expression LS additive_expression
|
---|
[d1625f8] | 882 | { $$ = new ExpressionNode( build_binary_val( OperKinds::LShift, $1, $3 ) ); }
|
---|
[4d51835] | 883 | | shift_expression RS additive_expression
|
---|
[d1625f8] | 884 | { $$ = new ExpressionNode( build_binary_val( OperKinds::RShift, $1, $3 ) ); }
|
---|
[4d51835] | 885 | ;
|
---|
[51b73452] | 886 |
|
---|
| 887 | relational_expression:
|
---|
[4d51835] | 888 | shift_expression
|
---|
| 889 | | relational_expression '<' shift_expression
|
---|
[d1625f8] | 890 | { $$ = new ExpressionNode( build_binary_val( OperKinds::LThan, $1, $3 ) ); }
|
---|
[4d51835] | 891 | | relational_expression '>' shift_expression
|
---|
[d1625f8] | 892 | { $$ = new ExpressionNode( build_binary_val( OperKinds::GThan, $1, $3 ) ); }
|
---|
[4d51835] | 893 | | relational_expression LE shift_expression
|
---|
[d1625f8] | 894 | { $$ = new ExpressionNode( build_binary_val( OperKinds::LEThan, $1, $3 ) ); }
|
---|
[4d51835] | 895 | | relational_expression GE shift_expression
|
---|
[d1625f8] | 896 | { $$ = new ExpressionNode( build_binary_val( OperKinds::GEThan, $1, $3 ) ); }
|
---|
[4d51835] | 897 | ;
|
---|
[51b73452] | 898 |
|
---|
| 899 | equality_expression:
|
---|
[4d51835] | 900 | relational_expression
|
---|
| 901 | | equality_expression EQ relational_expression
|
---|
[d1625f8] | 902 | { $$ = new ExpressionNode( build_binary_val( OperKinds::Eq, $1, $3 ) ); }
|
---|
[4d51835] | 903 | | equality_expression NE relational_expression
|
---|
[d1625f8] | 904 | { $$ = new ExpressionNode( build_binary_val( OperKinds::Neq, $1, $3 ) ); }
|
---|
[4d51835] | 905 | ;
|
---|
[51b73452] | 906 |
|
---|
| 907 | AND_expression:
|
---|
[4d51835] | 908 | equality_expression
|
---|
| 909 | | AND_expression '&' equality_expression
|
---|
[d1625f8] | 910 | { $$ = new ExpressionNode( build_binary_val( OperKinds::BitAnd, $1, $3 ) ); }
|
---|
[4d51835] | 911 | ;
|
---|
[51b73452] | 912 |
|
---|
| 913 | exclusive_OR_expression:
|
---|
[4d51835] | 914 | AND_expression
|
---|
| 915 | | exclusive_OR_expression '^' AND_expression
|
---|
[d1625f8] | 916 | { $$ = new ExpressionNode( build_binary_val( OperKinds::Xor, $1, $3 ) ); }
|
---|
[4d51835] | 917 | ;
|
---|
[51b73452] | 918 |
|
---|
| 919 | inclusive_OR_expression:
|
---|
[4d51835] | 920 | exclusive_OR_expression
|
---|
| 921 | | inclusive_OR_expression '|' exclusive_OR_expression
|
---|
[d1625f8] | 922 | { $$ = new ExpressionNode( build_binary_val( OperKinds::BitOr, $1, $3 ) ); }
|
---|
[4d51835] | 923 | ;
|
---|
[51b73452] | 924 |
|
---|
| 925 | logical_AND_expression:
|
---|
[4d51835] | 926 | inclusive_OR_expression
|
---|
| 927 | | logical_AND_expression ANDAND inclusive_OR_expression
|
---|
[d1625f8] | 928 | { $$ = new ExpressionNode( build_and_or( $1, $3, true ) ); }
|
---|
[4d51835] | 929 | ;
|
---|
[51b73452] | 930 |
|
---|
| 931 | logical_OR_expression:
|
---|
[4d51835] | 932 | logical_AND_expression
|
---|
| 933 | | logical_OR_expression OROR logical_AND_expression
|
---|
[d1625f8] | 934 | { $$ = new ExpressionNode( build_and_or( $1, $3, false ) ); }
|
---|
[4d51835] | 935 | ;
|
---|
[51b73452] | 936 |
|
---|
| 937 | conditional_expression:
|
---|
[4d51835] | 938 | logical_OR_expression
|
---|
| 939 | | logical_OR_expression '?' comma_expression ':' conditional_expression
|
---|
[d1625f8] | 940 | { $$ = new ExpressionNode( build_cond( $1, $3, $5 ) ); }
|
---|
[fae90d5f] | 941 | // FIX ME: computes $1 twice
|
---|
[4d51835] | 942 | | logical_OR_expression '?' /* empty */ ':' conditional_expression // GCC, omitted first operand
|
---|
[d1625f8] | 943 | { $$ = new ExpressionNode( build_cond( $1, $1, $4 ) ); }
|
---|
[4d51835] | 944 | ;
|
---|
[51b73452] | 945 |
|
---|
| 946 | constant_expression:
|
---|
[4d51835] | 947 | conditional_expression
|
---|
| 948 | ;
|
---|
[51b73452] | 949 |
|
---|
| 950 | assignment_expression:
|
---|
[4d51835] | 951 | // CFA, assignment is separated from assignment_operator to ensure no assignment operations for tuples
|
---|
| 952 | conditional_expression
|
---|
| 953 | | unary_expression assignment_operator assignment_expression
|
---|
[9867cdb] | 954 | {
|
---|
[25744d2] | 955 | // if ( $2 == OperKinds::AtAssn ) {
|
---|
| 956 | // SemanticError( yylloc, "C @= assignment is currently unimplemented." ); $$ = nullptr;
|
---|
| 957 | // } else {
|
---|
[9867cdb] | 958 | $$ = new ExpressionNode( build_binary_val( $2, $1, $3 ) );
|
---|
[25744d2] | 959 | // } // if
|
---|
[9867cdb] | 960 | }
|
---|
[7fdb94e1] | 961 | | unary_expression '=' '{' initializer_list_opt comma_opt '}'
|
---|
[fae90d5f] | 962 | { SemanticError( yylloc, "Initializer assignment is currently unimplemented." ); $$ = nullptr; }
|
---|
[4d51835] | 963 | ;
|
---|
[51b73452] | 964 |
|
---|
| 965 | assignment_expression_opt:
|
---|
[4d51835] | 966 | // empty
|
---|
[d1625f8] | 967 | { $$ = nullptr; }
|
---|
[4d51835] | 968 | | assignment_expression
|
---|
| 969 | ;
|
---|
[b87a5ed] | 970 |
|
---|
[9706554] | 971 | assignment_operator:
|
---|
[f9c3100] | 972 | simple_assignment_operator
|
---|
| 973 | | compound_assignment_operator
|
---|
| 974 | ;
|
---|
| 975 |
|
---|
| 976 | simple_assignment_operator:
|
---|
[d9e2280] | 977 | '=' { $$ = OperKinds::Assign; }
|
---|
[f9c3100] | 978 | | ATassign { $$ = OperKinds::AtAssn; } // CFA
|
---|
| 979 | ;
|
---|
| 980 |
|
---|
| 981 | compound_assignment_operator:
|
---|
| 982 | EXPassign { $$ = OperKinds::ExpAssn; }
|
---|
[d9e2280] | 983 | | MULTassign { $$ = OperKinds::MulAssn; }
|
---|
| 984 | | DIVassign { $$ = OperKinds::DivAssn; }
|
---|
| 985 | | MODassign { $$ = OperKinds::ModAssn; }
|
---|
| 986 | | PLUSassign { $$ = OperKinds::PlusAssn; }
|
---|
| 987 | | MINUSassign { $$ = OperKinds::MinusAssn; }
|
---|
| 988 | | LSassign { $$ = OperKinds::LSAssn; }
|
---|
| 989 | | RSassign { $$ = OperKinds::RSAssn; }
|
---|
| 990 | | ANDassign { $$ = OperKinds::AndAssn; }
|
---|
| 991 | | ERassign { $$ = OperKinds::ERAssn; }
|
---|
| 992 | | ORassign { $$ = OperKinds::OrAssn; }
|
---|
[413ad05] | 993 | ;
|
---|
[9706554] | 994 |
|
---|
[b87a5ed] | 995 | tuple: // CFA, tuple
|
---|
[de62360d] | 996 | // CFA, one assignment_expression is factored out of comma_expression to eliminate a shift/reduce conflict with
|
---|
[c0aa336] | 997 | // comma_expression in cfa_identifier_parameter_array and cfa_abstract_array
|
---|
[1b29996] | 998 | // '[' ']'
|
---|
| 999 | // { $$ = new ExpressionNode( build_tuple() ); }
|
---|
[13e8427] | 1000 | // | '[' push assignment_expression pop ']'
|
---|
[1b29996] | 1001 | // { $$ = new ExpressionNode( build_tuple( $3 ) ); }
|
---|
[17238fd] | 1002 | '[' ',' tuple_expression_list ']'
|
---|
| 1003 | { $$ = new ExpressionNode( build_tuple( (ExpressionNode *)(new ExpressionNode( nullptr ) )->set_last( $3 ) ) ); }
|
---|
| 1004 | | '[' push assignment_expression pop ',' tuple_expression_list ']'
|
---|
[4a063df] | 1005 | { $$ = new ExpressionNode( build_tuple( (ExpressionNode *)($3->set_last( $6 ) ) )); }
|
---|
[4d51835] | 1006 | ;
|
---|
[51b73452] | 1007 |
|
---|
| 1008 | tuple_expression_list:
|
---|
[0a6d8204] | 1009 | assignment_expression
|
---|
| 1010 | | '@' // CFA
|
---|
| 1011 | { SemanticError( yylloc, "Eliding tuple element with '@' is currently unimplemented." ); $$ = nullptr; }
|
---|
| 1012 | | tuple_expression_list ',' assignment_expression
|
---|
[4a063df] | 1013 | { $$ = (ExpressionNode *)($1->set_last( $3 )); }
|
---|
[0a6d8204] | 1014 | | tuple_expression_list ',' '@'
|
---|
| 1015 | { SemanticError( yylloc, "Eliding tuple element with '@' is currently unimplemented." ); $$ = nullptr; }
|
---|
[4d51835] | 1016 | ;
|
---|
[51b73452] | 1017 |
|
---|
| 1018 | comma_expression:
|
---|
[4d51835] | 1019 | assignment_expression
|
---|
[9706554] | 1020 | | comma_expression ',' assignment_expression
|
---|
[408ab79] | 1021 | { $$ = new ExpressionNode( new CommaExpr( maybeMoveBuild<Expression>( $1 ), maybeMoveBuild<Expression>( $3 ) ) ); }
|
---|
[4d51835] | 1022 | ;
|
---|
[51b73452] | 1023 |
|
---|
| 1024 | comma_expression_opt:
|
---|
[4d51835] | 1025 | // empty
|
---|
[58dd019] | 1026 | { $$ = nullptr; }
|
---|
[4d51835] | 1027 | | comma_expression
|
---|
| 1028 | ;
|
---|
[51b73452] | 1029 |
|
---|
[c11e31c] | 1030 | //*************************** STATEMENTS *******************************
|
---|
[51b73452] | 1031 |
|
---|
| 1032 | statement:
|
---|
[4d51835] | 1033 | labeled_statement
|
---|
| 1034 | | compound_statement
|
---|
[c0a33d2] | 1035 | | expression_statement
|
---|
[4d51835] | 1036 | | selection_statement
|
---|
| 1037 | | iteration_statement
|
---|
| 1038 | | jump_statement
|
---|
[8b47e50] | 1039 | | with_statement
|
---|
[b6b3c42] | 1040 | | mutex_statement
|
---|
[5b2edbc] | 1041 | | waitfor_statement
|
---|
[4d51835] | 1042 | | exception_statement
|
---|
[2a8427c6] | 1043 | | enable_disable_statement
|
---|
[fae90d5f] | 1044 | { SemanticError( yylloc, "enable/disable statement is currently unimplemented." ); $$ = nullptr; }
|
---|
[4d51835] | 1045 | | asm_statement
|
---|
[61fc4f6] | 1046 | | DIRECTIVE
|
---|
[6d539f83] | 1047 | { $$ = new StatementNode( build_directive( $1 ) ); }
|
---|
[b9be000b] | 1048 | ;
|
---|
[51b73452] | 1049 |
|
---|
| 1050 | labeled_statement:
|
---|
[033ff37] | 1051 | // labels cannot be identifiers 0 or 1
|
---|
[44a81853] | 1052 | identifier_or_type_name ':' attribute_list_opt statement
|
---|
[6d01d89] | 1053 | { $$ = $4->add_label( $1, $3 ); }
|
---|
[4d51835] | 1054 | ;
|
---|
[51b73452] | 1055 |
|
---|
| 1056 | compound_statement:
|
---|
[4d51835] | 1057 | '{' '}'
|
---|
[e82aa9df] | 1058 | { $$ = new StatementNode( build_compound( (StatementNode *)0 ) ); }
|
---|
[35718a9] | 1059 | | '{' push
|
---|
[5e25953] | 1060 | local_label_declaration_opt // GCC, local labels appear at start of block
|
---|
[9bd6105] | 1061 | statement_decl_list // C99, intermix declarations and statements
|
---|
[c0aa336] | 1062 | pop '}'
|
---|
[35718a9] | 1063 | { $$ = new StatementNode( build_compound( $4 ) ); }
|
---|
[4d51835] | 1064 | ;
|
---|
[b87a5ed] | 1065 |
|
---|
[9bd6105] | 1066 | statement_decl_list: // C99
|
---|
| 1067 | statement_decl
|
---|
[35718a9] | 1068 | | statement_decl_list statement_decl
|
---|
[6d01d89] | 1069 | { assert( $1 ); $1->set_last( $2 ); $$ = $1; }
|
---|
[4d51835] | 1070 | ;
|
---|
[51b73452] | 1071 |
|
---|
[9bd6105] | 1072 | statement_decl:
|
---|
[4d51835] | 1073 | declaration // CFA, new & old style declarations
|
---|
[e82aa9df] | 1074 | { $$ = new StatementNode( $1 ); }
|
---|
[4d51835] | 1075 | | EXTENSION declaration // GCC
|
---|
[6d01d89] | 1076 | { distExt( $2 ); $$ = new StatementNode( $2 ); }
|
---|
[4d51835] | 1077 | | function_definition
|
---|
[e82aa9df] | 1078 | { $$ = new StatementNode( $1 ); }
|
---|
[c0aa336] | 1079 | | EXTENSION function_definition // GCC
|
---|
[6d01d89] | 1080 | { distExt( $2 ); $$ = new StatementNode( $2 ); }
|
---|
[35718a9] | 1081 | | statement
|
---|
[4d51835] | 1082 | ;
|
---|
[51b73452] | 1083 |
|
---|
[9bd6105] | 1084 | statement_list_nodecl:
|
---|
[4d51835] | 1085 | statement
|
---|
[9bd6105] | 1086 | | statement_list_nodecl statement
|
---|
[6d01d89] | 1087 | { assert( $1 ); $1->set_last( $2 ); $$ = $1; }
|
---|
[4d51835] | 1088 | ;
|
---|
[51b73452] | 1089 |
|
---|
| 1090 | expression_statement:
|
---|
[4d51835] | 1091 | comma_expression_opt ';'
|
---|
[e82aa9df] | 1092 | { $$ = new StatementNode( build_expr( $1 ) ); }
|
---|
[05c941a] | 1093 | | MUTEX '(' ')' comma_expression ';'
|
---|
| 1094 | { $$ = new StatementNode( build_mutex( nullptr, new StatementNode( build_expr( $4 ) ) ) ); }
|
---|
| 1095 | // { SemanticError( yylloc, "Mutex expression is currently unimplemented." ); $$ = nullptr; }
|
---|
[4d51835] | 1096 | ;
|
---|
[51b73452] | 1097 |
|
---|
| 1098 | selection_statement:
|
---|
[3d26610] | 1099 | // pop causes a S/R conflict without separating the IF statement into a non-terminal even after resolving
|
---|
| 1100 | // the inherent S/R conflict with THEN/ELSE.
|
---|
| 1101 | push if_statement pop
|
---|
| 1102 | { $$ = $2; }
|
---|
[4cc585b] | 1103 | | SWITCH '(' comma_expression ')' case_clause
|
---|
[6a276a0] | 1104 | { $$ = new StatementNode( build_switch( true, $3, $5 ) ); }
|
---|
[35718a9] | 1105 | | SWITCH '(' comma_expression ')' '{' push declaration_list_opt switch_clause_list_opt pop '}' // CFA
|
---|
[4e06c1e] | 1106 | {
|
---|
[6a276a0] | 1107 | StatementNode *sw = new StatementNode( build_switch( true, $3, $8 ) );
|
---|
[4e06c1e] | 1108 | // The semantics of the declaration list is changed to include associated initialization, which is performed
|
---|
| 1109 | // *before* the transfer to the appropriate case clause by hoisting the declarations into a compound
|
---|
| 1110 | // statement around the switch. Statements after the initial declaration list can never be executed, and
|
---|
[8688ce1] | 1111 | // therefore, are removed from the grammar even though C allows it. The change also applies to choose
|
---|
| 1112 | // statement.
|
---|
[a7741435] | 1113 | $$ = $7 ? new StatementNode( build_compound( (StatementNode *)((new StatementNode( $7 ))->set_last( sw )) ) ) : sw;
|
---|
[4e06c1e] | 1114 | }
|
---|
[4d51835] | 1115 | | CHOOSE '(' comma_expression ')' case_clause // CFA
|
---|
[6a276a0] | 1116 | { $$ = new StatementNode( build_switch( false, $3, $5 ) ); }
|
---|
[35718a9] | 1117 | | CHOOSE '(' comma_expression ')' '{' push declaration_list_opt switch_clause_list_opt pop '}' // CFA
|
---|
[4e06c1e] | 1118 | {
|
---|
[6a276a0] | 1119 | StatementNode *sw = new StatementNode( build_switch( false, $3, $8 ) );
|
---|
[a7741435] | 1120 | $$ = $7 ? new StatementNode( build_compound( (StatementNode *)((new StatementNode( $7 ))->set_last( sw )) ) ) : sw;
|
---|
[4e06c1e] | 1121 | }
|
---|
[4d51835] | 1122 | ;
|
---|
[b87a5ed] | 1123 |
|
---|
[3d26610] | 1124 | if_statement:
|
---|
[473d1da0] | 1125 | IF '(' conditional_declaration ')' statement %prec THEN
|
---|
[3d26610] | 1126 | // explicitly deal with the shift/reduce conflict on if/else
|
---|
[a025ea8] | 1127 | { $$ = new StatementNode( build_if( $3, maybe_build_compound( $5 ), nullptr ) ); }
|
---|
[473d1da0] | 1128 | | IF '(' conditional_declaration ')' statement ELSE statement
|
---|
[a025ea8] | 1129 | { $$ = new StatementNode( build_if( $3, maybe_build_compound( $5 ), maybe_build_compound( $7 ) ) ); }
|
---|
[3d26610] | 1130 | ;
|
---|
| 1131 |
|
---|
[473d1da0] | 1132 | conditional_declaration:
|
---|
[35718a9] | 1133 | comma_expression
|
---|
[473d1da0] | 1134 | { $$ = new CondCtl( nullptr, $1 ); }
|
---|
[35718a9] | 1135 | | c_declaration // no semi-colon
|
---|
[473d1da0] | 1136 | { $$ = new CondCtl( $1, nullptr ); }
|
---|
[35718a9] | 1137 | | cfa_declaration // no semi-colon
|
---|
[473d1da0] | 1138 | { $$ = new CondCtl( $1, nullptr ); }
|
---|
[6d49ea3] | 1139 | | declaration comma_expression // semi-colon separated
|
---|
[473d1da0] | 1140 | { $$ = new CondCtl( $1, $2 ); }
|
---|
[936e9f4] | 1141 | ;
|
---|
| 1142 |
|
---|
[de62360d] | 1143 | // CASE and DEFAULT clauses are only allowed in the SWITCH statement, precluding Duff's device. In addition, a case
|
---|
| 1144 | // clause allows a list of values and subranges.
|
---|
[b87a5ed] | 1145 |
|
---|
| 1146 | case_value: // CFA
|
---|
[4d51835] | 1147 | constant_expression { $$ = $1; }
|
---|
| 1148 | | constant_expression ELLIPSIS constant_expression // GCC, subrange
|
---|
[408ab79] | 1149 | { $$ = new ExpressionNode( new RangeExpr( maybeMoveBuild<Expression>( $1 ), maybeMoveBuild<Expression>( $3 ) ) ); }
|
---|
[4d51835] | 1150 | | subrange // CFA, subrange
|
---|
| 1151 | ;
|
---|
[b87a5ed] | 1152 |
|
---|
| 1153 | case_value_list: // CFA
|
---|
[e82aa9df] | 1154 | case_value { $$ = new StatementNode( build_case( $1 ) ); }
|
---|
[064e3ff] | 1155 | // convert case list, e.g., "case 1, 3, 5:" into "case 1: case 3: case 5"
|
---|
[e82aa9df] | 1156 | | case_value_list ',' case_value { $$ = (StatementNode *)($1->set_last( new StatementNode( build_case( $3 ) ) ) ); }
|
---|
[4d51835] | 1157 | ;
|
---|
[b87a5ed] | 1158 |
|
---|
| 1159 | case_label: // CFA
|
---|
[8688ce1] | 1160 | CASE case_value_list ':' { $$ = $2; }
|
---|
[e82aa9df] | 1161 | | DEFAULT ':' { $$ = new StatementNode( build_default() ); }
|
---|
[4d51835] | 1162 | // A semantic check is required to ensure only one default clause per switch/choose statement.
|
---|
| 1163 | ;
|
---|
[b87a5ed] | 1164 |
|
---|
[6a276a0] | 1165 | //label_list_opt:
|
---|
| 1166 | // // empty
|
---|
| 1167 | // | identifier_or_type_name ':'
|
---|
| 1168 | // | label_list_opt identifier_or_type_name ':'
|
---|
| 1169 | // ;
|
---|
| 1170 |
|
---|
[b87a5ed] | 1171 | case_label_list: // CFA
|
---|
[4d51835] | 1172 | case_label
|
---|
[1d4580a] | 1173 | | case_label_list case_label { $$ = (StatementNode *)( $1->set_last( $2 )); }
|
---|
[4d51835] | 1174 | ;
|
---|
[b87a5ed] | 1175 |
|
---|
| 1176 | case_clause: // CFA
|
---|
[a025ea8] | 1177 | case_label_list statement { $$ = $1->append_last_case( maybe_build_compound( $2 ) ); }
|
---|
[4d51835] | 1178 | ;
|
---|
[b87a5ed] | 1179 |
|
---|
| 1180 | switch_clause_list_opt: // CFA
|
---|
[4d51835] | 1181 | // empty
|
---|
[58dd019] | 1182 | { $$ = nullptr; }
|
---|
[4d51835] | 1183 | | switch_clause_list
|
---|
| 1184 | ;
|
---|
[b87a5ed] | 1185 |
|
---|
| 1186 | switch_clause_list: // CFA
|
---|
[9bd6105] | 1187 | case_label_list statement_list_nodecl
|
---|
[e82aa9df] | 1188 | { $$ = $1->append_last_case( new StatementNode( build_compound( $2 ) ) ); }
|
---|
[9bd6105] | 1189 | | switch_clause_list case_label_list statement_list_nodecl
|
---|
[e82aa9df] | 1190 | { $$ = (StatementNode *)( $1->set_last( $2->append_last_case( new StatementNode( build_compound( $3 ) ) ) ) ); }
|
---|
[4d51835] | 1191 | ;
|
---|
[b87a5ed] | 1192 |
|
---|
[51b73452] | 1193 | iteration_statement:
|
---|
[efc8f3e] | 1194 | WHILE '(' ')' statement // CFA => while ( 1 )
|
---|
[473d1da0] | 1195 | { $$ = new StatementNode( build_while( new CondCtl( nullptr, new ExpressionNode( build_constantInteger( *new string( "1" ) ) ) ), maybe_build_compound( $4 ) ) ); }
|
---|
| 1196 | | WHILE '(' conditional_declaration ')' statement %prec THEN
|
---|
[efc8f3e] | 1197 | { $$ = new StatementNode( build_while( $3, maybe_build_compound( $5 ) ) ); }
|
---|
[473d1da0] | 1198 | | WHILE '(' conditional_declaration ')' statement ELSE statement // CFA
|
---|
[3b0bc16] | 1199 | { $$ = new StatementNode( build_while( $3, maybe_build_compound( $5 ), $7 ) ); }
|
---|
[f271bdd] | 1200 | | DO statement WHILE '(' ')' ';' // CFA => do while( 1 )
|
---|
[a025ea8] | 1201 | { $$ = new StatementNode( build_do_while( new ExpressionNode( build_constantInteger( *new string( "1" ) ) ), maybe_build_compound( $2 ) ) ); }
|
---|
[efc8f3e] | 1202 | | DO statement WHILE '(' comma_expression ')' ';' %prec THEN
|
---|
| 1203 | { $$ = new StatementNode( build_do_while( $5, maybe_build_compound( $2 ) ) ); }
|
---|
| 1204 | | DO statement WHILE '(' comma_expression ')' ELSE statement // CFA
|
---|
[3b0bc16] | 1205 | { $$ = new StatementNode( build_do_while( $5, maybe_build_compound( $2 ), $8 ) ); }
|
---|
[f1aeede] | 1206 | | FOR '(' ')' statement // CFA => for ( ;; )
|
---|
[a025ea8] | 1207 | { $$ = new StatementNode( build_for( new ForCtrl( (ExpressionNode * )nullptr, (ExpressionNode * )nullptr, (ExpressionNode * )nullptr ), maybe_build_compound( $4 ) ) ); }
|
---|
[efc8f3e] | 1208 | | FOR '(' for_control_expression_list ')' statement %prec THEN
|
---|
| 1209 | { $$ = new StatementNode( build_for( $3, maybe_build_compound( $5 ) ) ); }
|
---|
| 1210 | | FOR '(' for_control_expression_list ')' statement ELSE statement // CFA
|
---|
[3b0bc16] | 1211 | { $$ = new StatementNode( build_for( $3, maybe_build_compound( $5 ), $7 ) ); }
|
---|
[a73c16e] | 1212 | ;
|
---|
| 1213 |
|
---|
[6d01d89] | 1214 | for_control_expression_list:
|
---|
| 1215 | for_control_expression
|
---|
| 1216 | | for_control_expression_list ':' for_control_expression
|
---|
[67d4e37] | 1217 | // ForCtrl + ForCtrl:
|
---|
| 1218 | // init + init => multiple declaration statements that are hoisted
|
---|
| 1219 | // condition + condition => (expression) && (expression)
|
---|
| 1220 | // change + change => (expression), (expression)
|
---|
| 1221 | {
|
---|
| 1222 | $1->init->set_last( $3->init );
|
---|
| 1223 | if ( $1->condition ) {
|
---|
| 1224 | if ( $3->condition ) {
|
---|
| 1225 | $1->condition->expr.reset( new LogicalExpr( $1->condition->expr.release(), $3->condition->expr.release(), true ) );
|
---|
| 1226 | } // if
|
---|
| 1227 | } else $1->condition = $3->condition;
|
---|
| 1228 | if ( $1->change ) {
|
---|
| 1229 | if ( $3->change ) {
|
---|
| 1230 | $1->change->expr.reset( new CommaExpr( $1->change->expr.release(), $3->change->expr.release() ) );
|
---|
| 1231 | } // if
|
---|
| 1232 | } else $1->change = $3->change;
|
---|
| 1233 | $$ = $1;
|
---|
| 1234 | }
|
---|
[6d01d89] | 1235 | ;
|
---|
| 1236 |
|
---|
[51b73452] | 1237 | for_control_expression:
|
---|
[6d01d89] | 1238 | ';' comma_expression_opt ';' comma_expression_opt
|
---|
| 1239 | { $$ = new ForCtrl( (ExpressionNode * )nullptr, $2, $4 ); }
|
---|
| 1240 | | comma_expression ';' comma_expression_opt ';' comma_expression_opt
|
---|
| 1241 | { $$ = new ForCtrl( $1, $3, $5 ); }
|
---|
| 1242 | | declaration comma_expression_opt ';' comma_expression_opt // C99, declaration has ';'
|
---|
| 1243 | { $$ = new ForCtrl( $1, $2, $4 ); }
|
---|
[67d4e37] | 1244 |
|
---|
[6d01d89] | 1245 | | comma_expression // CFA
|
---|
[f1aeede] | 1246 | { $$ = forCtrl( $1, new string( DeclarationNode::anonymous.newName() ), new ExpressionNode( build_constantInteger( *new string( "0" ) ) ),
|
---|
| 1247 | OperKinds::LThan, $1->clone(), new ExpressionNode( build_constantInteger( *new string( "1" ) ) ) ); }
|
---|
[cbbd8fd7] | 1248 | | '=' comma_expression // CFA
|
---|
[9853d9b0] | 1249 | { $$ = forCtrl( $2, new string( DeclarationNode::anonymous.newName() ), new ExpressionNode( build_constantInteger( *new string( "0" ) ) ),
|
---|
| 1250 | OperKinds::LEThan, $2->clone(), new ExpressionNode( build_constantInteger( *new string( "1" ) ) ) ); }
|
---|
[6d01d89] | 1251 | | comma_expression inclexcl comma_expression // CFA
|
---|
[ee27df2] | 1252 | { $$ = forCtrl( $1, new string( DeclarationNode::anonymous.newName() ), $1->clone(), $2, $3, new ExpressionNode( build_constantInteger( *new string( "1" ) ) ) ); }
|
---|
[6d01d89] | 1253 | | comma_expression inclexcl comma_expression '~' comma_expression // CFA
|
---|
[cc22003] | 1254 | { $$ = forCtrl( $1, new string( DeclarationNode::anonymous.newName() ), $1->clone(), $2, $3, $5 ); }
|
---|
[cbbd8fd7] | 1255 | | comma_expression ';' // CFA
|
---|
| 1256 | { $$ = forCtrl( new ExpressionNode( build_constantInteger( *new string( "0u" ) ) ), $1, nullptr, OperKinds::LThan, nullptr, nullptr ); }
|
---|
[f1aeede] | 1257 | | comma_expression ';' comma_expression // CFA
|
---|
| 1258 | { $$ = forCtrl( $3, $1, new ExpressionNode( build_constantInteger( *new string( "0" ) ) ),
|
---|
| 1259 | OperKinds::LThan, $3->clone(), new ExpressionNode( build_constantInteger( *new string( "1" ) ) ) ); }
|
---|
[cbbd8fd7] | 1260 | | comma_expression ';' '=' comma_expression // CFA
|
---|
[332bd33] | 1261 | { $$ = forCtrl( $4, $1, new ExpressionNode( build_constantInteger( *new string( "0" ) ) ),
|
---|
| 1262 | OperKinds::LEThan, $4->clone(), new ExpressionNode( build_constantInteger( *new string( "1" ) ) ) ); }
|
---|
[6d01d89] | 1263 | | comma_expression ';' comma_expression inclexcl comma_expression // CFA
|
---|
[f1aeede] | 1264 | { $$ = forCtrl( $3, $1, $3->clone(), $4, $5, new ExpressionNode( build_constantInteger( *new string( "1" ) ) ) ); }
|
---|
[6d01d89] | 1265 | | comma_expression ';' comma_expression inclexcl comma_expression '~' comma_expression // CFA
|
---|
[f1aeede] | 1266 | { $$ = forCtrl( $3, $1, $3->clone(), $4, $5, $7 ); }
|
---|
[67d4e37] | 1267 |
|
---|
[ca33b15] | 1268 | | comma_expression ';' TYPEDEFname // CFA, array type
|
---|
| 1269 | {
|
---|
| 1270 | SemanticError( yylloc, "Array interator is currently unimplemented." ); $$ = nullptr;
|
---|
| 1271 | $$ = forCtrl( new ExpressionNode( build_varref( $3 ) ), $1, nullptr, OperKinds::Range, nullptr, nullptr );
|
---|
| 1272 | }
|
---|
[98337569] | 1273 |
|
---|
[67d4e37] | 1274 | // There is a S/R conflicit if ~ and -~ are factored out.
|
---|
| 1275 | | comma_expression ';' comma_expression '~' '@' // CFA
|
---|
| 1276 | { $$ = forCtrl( $3, $1, $3->clone(), OperKinds::LThan, nullptr, new ExpressionNode( build_constantInteger( *new string( "1" ) ) ) ); }
|
---|
| 1277 | | comma_expression ';' comma_expression ErangeDown '@' // CFA
|
---|
| 1278 | { $$ = forCtrl( $3, $1, $3->clone(), OperKinds::GThan, nullptr, new ExpressionNode( build_constantInteger( *new string( "1" ) ) ) ); }
|
---|
[2d2df9f] | 1279 | | comma_expression ';' comma_expression '~' '@' '~' comma_expression // CFA
|
---|
| 1280 | { $$ = forCtrl( $3, $1, $3->clone(), OperKinds::LThan, nullptr, $7 ); }
|
---|
[1b54b54] | 1281 | | comma_expression ';' comma_expression ErangeDown '@' '~' comma_expression // CFA
|
---|
| 1282 | { $$ = forCtrl( $3, $1, $3->clone(), OperKinds::GThan, nullptr, $7 ); }
|
---|
[2d2df9f] | 1283 | | comma_expression ';' comma_expression '~' '@' '~' '@' // CFA
|
---|
| 1284 | { $$ = forCtrl( $3, $1, $3->clone(), OperKinds::LThan, nullptr, nullptr ); }
|
---|
[d1625f8] | 1285 | ;
|
---|
[51b73452] | 1286 |
|
---|
[cc22003] | 1287 | inclexcl:
|
---|
| 1288 | '~'
|
---|
| 1289 | { $$ = OperKinds::LThan; }
|
---|
[d69f4bb4] | 1290 | | ErangeUpEq
|
---|
[cc22003] | 1291 | { $$ = OperKinds::LEThan; }
|
---|
[d69f4bb4] | 1292 | | ErangeDown
|
---|
| 1293 | { $$ = OperKinds::GThan; }
|
---|
| 1294 | | ErangeDownEq
|
---|
| 1295 | { $$ = OperKinds::GEThan; }
|
---|
[cc22003] | 1296 | ;
|
---|
| 1297 |
|
---|
[51b73452] | 1298 | jump_statement:
|
---|
[44a81853] | 1299 | GOTO identifier_or_type_name ';'
|
---|
[ab57786] | 1300 | { $$ = new StatementNode( build_branch( $2, BranchStmt::Goto ) ); }
|
---|
[4d51835] | 1301 | | GOTO '*' comma_expression ';' // GCC, computed goto
|
---|
[4e06c1e] | 1302 | // The syntax for the GCC computed goto violates normal expression precedence, e.g., goto *i+3; => goto *(i+3);
|
---|
[de62360d] | 1303 | // whereas normal operator precedence yields goto (*i)+3;
|
---|
[e82aa9df] | 1304 | { $$ = new StatementNode( build_computedgoto( $3 ) ); }
|
---|
[6a276a0] | 1305 | // A semantic check is required to ensure fallthru appears only in the body of a choose statement.
|
---|
[ec3f9c8] | 1306 | | fall_through_name ';' // CFA
|
---|
[6a276a0] | 1307 | { $$ = new StatementNode( build_branch( BranchStmt::FallThrough ) ); }
|
---|
[ec3f9c8] | 1308 | | fall_through_name identifier_or_type_name ';' // CFA
|
---|
[6a276a0] | 1309 | { $$ = new StatementNode( build_branch( $2, BranchStmt::FallThrough ) ); }
|
---|
| 1310 | | fall_through_name DEFAULT ';' // CFA
|
---|
| 1311 | { $$ = new StatementNode( build_branch( BranchStmt::FallThroughDefault ) ); }
|
---|
[4d51835] | 1312 | | CONTINUE ';'
|
---|
[de62360d] | 1313 | // A semantic check is required to ensure this statement appears only in the body of an iteration statement.
|
---|
[ab57786] | 1314 | { $$ = new StatementNode( build_branch( BranchStmt::Continue ) ); }
|
---|
[44a81853] | 1315 | | CONTINUE identifier_or_type_name ';' // CFA, multi-level continue
|
---|
[de62360d] | 1316 | // A semantic check is required to ensure this statement appears only in the body of an iteration statement, and
|
---|
| 1317 | // the target of the transfer appears only at the start of an iteration statement.
|
---|
[ab57786] | 1318 | { $$ = new StatementNode( build_branch( $2, BranchStmt::Continue ) ); }
|
---|
[4d51835] | 1319 | | BREAK ';'
|
---|
[de62360d] | 1320 | // A semantic check is required to ensure this statement appears only in the body of an iteration statement.
|
---|
[ab57786] | 1321 | { $$ = new StatementNode( build_branch( BranchStmt::Break ) ); }
|
---|
[44a81853] | 1322 | | BREAK identifier_or_type_name ';' // CFA, multi-level exit
|
---|
[de62360d] | 1323 | // A semantic check is required to ensure this statement appears only in the body of an iteration statement, and
|
---|
| 1324 | // the target of the transfer appears only at the start of an iteration statement.
|
---|
[ab57786] | 1325 | { $$ = new StatementNode( build_branch( $2, BranchStmt::Break ) ); }
|
---|
[4d51835] | 1326 | | RETURN comma_expression_opt ';'
|
---|
[e82aa9df] | 1327 | { $$ = new StatementNode( build_return( $2 ) ); }
|
---|
[c786e1d] | 1328 | | RETURN '{' initializer_list_opt comma_opt '}' ';'
|
---|
[fae90d5f] | 1329 | { SemanticError( yylloc, "Initializer return is currently unimplemented." ); $$ = nullptr; }
|
---|
[37cdd97] | 1330 | | SUSPEND ';'
|
---|
[427854b] | 1331 | { $$ = new StatementNode( build_suspend( nullptr ) ); }
|
---|
[9306559f] | 1332 | | SUSPEND compound_statement
|
---|
[427854b] | 1333 | { $$ = new StatementNode( build_suspend( $2 ) ); }
|
---|
[37cdd97] | 1334 | | SUSPEND COROUTINE ';'
|
---|
[427854b] | 1335 | { $$ = new StatementNode( build_suspend( nullptr, SuspendStmt::Coroutine ) ); }
|
---|
[37cdd97] | 1336 | | SUSPEND COROUTINE compound_statement
|
---|
[427854b] | 1337 | { $$ = new StatementNode( build_suspend( $3, SuspendStmt::Coroutine ) ); }
|
---|
[37cdd97] | 1338 | | SUSPEND GENERATOR ';'
|
---|
[427854b] | 1339 | { $$ = new StatementNode( build_suspend( nullptr, SuspendStmt::Generator ) ); }
|
---|
[37cdd97] | 1340 | | SUSPEND GENERATOR compound_statement
|
---|
[427854b] | 1341 | { $$ = new StatementNode( build_suspend( $3, SuspendStmt::Generator ) ); }
|
---|
[8cc5cb0] | 1342 | | THROW assignment_expression_opt ';' // handles rethrow
|
---|
[e82aa9df] | 1343 | { $$ = new StatementNode( build_throw( $2 ) ); }
|
---|
[8cc5cb0] | 1344 | | THROWRESUME assignment_expression_opt ';' // handles reresume
|
---|
[daf1af8] | 1345 | { $$ = new StatementNode( build_resume( $2 ) ); }
|
---|
[8cc5cb0] | 1346 | | THROWRESUME assignment_expression_opt AT assignment_expression ';' // handles reresume
|
---|
[daf1af8] | 1347 | { $$ = new StatementNode( build_resume_at( $2, $4 ) ); }
|
---|
[4d51835] | 1348 | ;
|
---|
[51b73452] | 1349 |
|
---|
[6a276a0] | 1350 | fall_through_name: // CFA
|
---|
| 1351 | FALLTHRU
|
---|
| 1352 | | FALLTHROUGH
|
---|
| 1353 | ;
|
---|
| 1354 |
|
---|
[8b47e50] | 1355 | with_statement:
|
---|
[5b2edbc] | 1356 | WITH '(' tuple_expression_list ')' statement
|
---|
[e16eb460] | 1357 | { $$ = new StatementNode( build_with( $3, $5 ) ); }
|
---|
[5b2edbc] | 1358 | ;
|
---|
| 1359 |
|
---|
[b6b3c42] | 1360 | // If MUTEX becomes a general qualifier, there are shift/reduce conflicts, so change syntax to "with mutex".
|
---|
| 1361 | mutex_statement:
|
---|
[e16eb460] | 1362 | MUTEX '(' argument_expression_list ')' statement
|
---|
[6cebfef] | 1363 | { $$ = new StatementNode( build_mutex( $3, $5 ) ); }
|
---|
[b6b3c42] | 1364 | ;
|
---|
| 1365 |
|
---|
[51d6d6a] | 1366 | when_clause:
|
---|
[6a276a0] | 1367 | WHEN '(' comma_expression ')' { $$ = $3; }
|
---|
[51d6d6a] | 1368 | ;
|
---|
| 1369 |
|
---|
[5b2edbc] | 1370 | when_clause_opt:
|
---|
| 1371 | // empty
|
---|
[135b431] | 1372 | { $$ = nullptr; }
|
---|
[51d6d6a] | 1373 | | when_clause
|
---|
[5b2edbc] | 1374 | ;
|
---|
| 1375 |
|
---|
| 1376 | waitfor:
|
---|
[713926ca] | 1377 | WAITFOR '(' cast_expression ')'
|
---|
| 1378 | { $$ = $3; }
|
---|
[cbbd8fd7] | 1379 | // | WAITFOR '(' cast_expression ',' argument_expression_list_opt ')'
|
---|
[4a063df] | 1380 | // { $$ = (ExpressionNode *)$3->set_last( $5 ); }
|
---|
[cbbd8fd7] | 1381 | | WAITFOR '(' cast_expression_list ':' argument_expression_list_opt ')'
|
---|
[4a063df] | 1382 | { $$ = (ExpressionNode *)($3->set_last( $5 )); }
|
---|
| 1383 | ;
|
---|
| 1384 |
|
---|
| 1385 | cast_expression_list:
|
---|
| 1386 | cast_expression
|
---|
| 1387 | | cast_expression_list ',' cast_expression
|
---|
[a491a3c] | 1388 | // { $$ = (ExpressionNode *)($1->set_last( $3 )); }
|
---|
| 1389 | { SemanticError( yylloc, "List of mutex member is currently unimplemented." ); $$ = nullptr; }
|
---|
[5b2edbc] | 1390 | ;
|
---|
| 1391 |
|
---|
| 1392 | timeout:
|
---|
[6a276a0] | 1393 | TIMEOUT '(' comma_expression ')' { $$ = $3; }
|
---|
[5b2edbc] | 1394 | ;
|
---|
| 1395 |
|
---|
| 1396 | waitfor_clause:
|
---|
[51d6d6a] | 1397 | when_clause_opt waitfor statement %prec THEN
|
---|
[a025ea8] | 1398 | { $$ = build_waitfor( $2, maybe_build_compound( $3 ), $1 ); }
|
---|
[5b2edbc] | 1399 | | when_clause_opt waitfor statement WOR waitfor_clause
|
---|
[a025ea8] | 1400 | { $$ = build_waitfor( $2, maybe_build_compound( $3 ), $1, $5 ); }
|
---|
[51d6d6a] | 1401 | | when_clause_opt timeout statement %prec THEN
|
---|
[a025ea8] | 1402 | { $$ = build_waitfor_timeout( $2, maybe_build_compound( $3 ), $1 ); }
|
---|
[5b2edbc] | 1403 | | when_clause_opt ELSE statement
|
---|
[a025ea8] | 1404 | { $$ = build_waitfor_timeout( nullptr, maybe_build_compound( $3 ), $1 ); }
|
---|
[51d6d6a] | 1405 | // "else" must be conditional after timeout or timeout is never triggered (i.e., it is meaningless)
|
---|
[713926ca] | 1406 | | when_clause_opt timeout statement WOR ELSE statement
|
---|
| 1407 | { SemanticError( yylloc, "else clause must be conditional after timeout or timeout never triggered." ); $$ = nullptr; }
|
---|
[51d6d6a] | 1408 | | when_clause_opt timeout statement WOR when_clause ELSE statement
|
---|
[a025ea8] | 1409 | { $$ = build_waitfor_timeout( $2, maybe_build_compound( $3 ), $1, maybe_build_compound( $7 ), $5 ); }
|
---|
[5b2edbc] | 1410 | ;
|
---|
| 1411 |
|
---|
| 1412 | waitfor_statement:
|
---|
[51d6d6a] | 1413 | when_clause_opt waitfor statement %prec THEN
|
---|
[135b431] | 1414 | { $$ = new StatementNode( build_waitfor( $2, $3, $1 ) ); }
|
---|
[5b2edbc] | 1415 | | when_clause_opt waitfor statement WOR waitfor_clause
|
---|
[135b431] | 1416 | { $$ = new StatementNode( build_waitfor( $2, $3, $1, $5 ) ); }
|
---|
[8b47e50] | 1417 | ;
|
---|
| 1418 |
|
---|
[51b73452] | 1419 | exception_statement:
|
---|
[9fb1367] | 1420 | TRY compound_statement handler_clause %prec THEN
|
---|
[e82aa9df] | 1421 | { $$ = new StatementNode( build_try( $2, $3, 0 ) ); }
|
---|
[4d51835] | 1422 | | TRY compound_statement finally_clause
|
---|
[e82aa9df] | 1423 | { $$ = new StatementNode( build_try( $2, 0, $3 ) ); }
|
---|
[cfaabe2c] | 1424 | | TRY compound_statement handler_clause finally_clause
|
---|
[e82aa9df] | 1425 | { $$ = new StatementNode( build_try( $2, $3, $4 ) ); }
|
---|
[4d51835] | 1426 | ;
|
---|
[51b73452] | 1427 |
|
---|
| 1428 | handler_clause:
|
---|
[098f7ff] | 1429 | handler_key '(' push exception_declaration pop handler_predicate_opt ')' compound_statement
|
---|
[3d26610] | 1430 | { $$ = new StatementNode( build_catch( $1, $4, $6, $8 ) ); }
|
---|
[098f7ff] | 1431 | | handler_clause handler_key '(' push exception_declaration pop handler_predicate_opt ')' compound_statement
|
---|
[3d26610] | 1432 | { $$ = (StatementNode *)$1->set_last( new StatementNode( build_catch( $2, $5, $7, $9 ) ) ); }
|
---|
[994d080] | 1433 | ;
|
---|
| 1434 |
|
---|
| 1435 | handler_predicate_opt:
|
---|
[7fdb94e1] | 1436 | // empty
|
---|
[cbce272] | 1437 | { $$ = nullptr; }
|
---|
[6a276a0] | 1438 | | ';' conditional_expression { $$ = $2; }
|
---|
[307a732] | 1439 | ;
|
---|
| 1440 |
|
---|
| 1441 | handler_key:
|
---|
[6a276a0] | 1442 | CATCH { $$ = CatchStmt::Terminate; }
|
---|
[9fb1367] | 1443 | | RECOVER { $$ = CatchStmt::Terminate; }
|
---|
[6a276a0] | 1444 | | CATCHRESUME { $$ = CatchStmt::Resume; }
|
---|
[9fb1367] | 1445 | | FIXUP { $$ = CatchStmt::Resume; }
|
---|
[4d51835] | 1446 | ;
|
---|
[51b73452] | 1447 |
|
---|
| 1448 | finally_clause:
|
---|
[6a276a0] | 1449 | FINALLY compound_statement { $$ = new StatementNode( build_finally( $2 ) ); }
|
---|
[4d51835] | 1450 | ;
|
---|
[51b73452] | 1451 |
|
---|
| 1452 | exception_declaration:
|
---|
[d0ffed1] | 1453 | // No SUE declaration in parameter list.
|
---|
| 1454 | type_specifier_nobody
|
---|
| 1455 | | type_specifier_nobody declarator
|
---|
[c0a33d2] | 1456 | { $$ = $2->addType( $1 ); }
|
---|
[d0ffed1] | 1457 | | type_specifier_nobody variable_abstract_declarator
|
---|
[4d51835] | 1458 | { $$ = $2->addType( $1 ); }
|
---|
[033ff37] | 1459 | | cfa_abstract_declarator_tuple identifier // CFA
|
---|
[c0a33d2] | 1460 | { $$ = $1->addName( $2 ); }
|
---|
[c0aa336] | 1461 | | cfa_abstract_declarator_tuple // CFA
|
---|
[4d51835] | 1462 | ;
|
---|
[51b73452] | 1463 |
|
---|
[2a8427c6] | 1464 | enable_disable_statement:
|
---|
| 1465 | enable_disable_key identifier_list compound_statement
|
---|
| 1466 | ;
|
---|
| 1467 |
|
---|
| 1468 | enable_disable_key:
|
---|
| 1469 | ENABLE
|
---|
| 1470 | | DISABLE
|
---|
| 1471 | ;
|
---|
| 1472 |
|
---|
[51b73452] | 1473 | asm_statement:
|
---|
[ab57786] | 1474 | ASM asm_volatile_opt '(' string_literal ')' ';'
|
---|
[6d539f83] | 1475 | { $$ = new StatementNode( build_asm( $2, $4, 0 ) ); }
|
---|
[ab57786] | 1476 | | ASM asm_volatile_opt '(' string_literal ':' asm_operands_opt ')' ';' // remaining GCC
|
---|
[6d539f83] | 1477 | { $$ = new StatementNode( build_asm( $2, $4, $6 ) ); }
|
---|
[ab57786] | 1478 | | ASM asm_volatile_opt '(' string_literal ':' asm_operands_opt ':' asm_operands_opt ')' ';'
|
---|
[6d539f83] | 1479 | { $$ = new StatementNode( build_asm( $2, $4, $6, $8 ) ); }
|
---|
[ab57786] | 1480 | | ASM asm_volatile_opt '(' string_literal ':' asm_operands_opt ':' asm_operands_opt ':' asm_clobbers_list_opt ')' ';'
|
---|
[6d539f83] | 1481 | { $$ = new StatementNode( build_asm( $2, $4, $6, $8, $10 ) ); }
|
---|
[ab57786] | 1482 | | ASM asm_volatile_opt GOTO '(' string_literal ':' ':' asm_operands_opt ':' asm_clobbers_list_opt ':' label_list ')' ';'
|
---|
[6d539f83] | 1483 | { $$ = new StatementNode( build_asm( $2, $5, 0, $8, $10, $12 ) ); }
|
---|
[7f5566b] | 1484 | ;
|
---|
| 1485 |
|
---|
| 1486 | asm_volatile_opt: // GCC
|
---|
| 1487 | // empty
|
---|
| 1488 | { $$ = false; }
|
---|
| 1489 | | VOLATILE
|
---|
| 1490 | { $$ = true; }
|
---|
[4d51835] | 1491 | ;
|
---|
[b87a5ed] | 1492 |
|
---|
| 1493 | asm_operands_opt: // GCC
|
---|
[4d51835] | 1494 | // empty
|
---|
[58dd019] | 1495 | { $$ = nullptr; } // use default argument
|
---|
[4d51835] | 1496 | | asm_operands_list
|
---|
| 1497 | ;
|
---|
[b87a5ed] | 1498 |
|
---|
| 1499 | asm_operands_list: // GCC
|
---|
[4d51835] | 1500 | asm_operand
|
---|
| 1501 | | asm_operands_list ',' asm_operand
|
---|
[4a063df] | 1502 | { $$ = (ExpressionNode *)($1->set_last( $3 )); }
|
---|
[4d51835] | 1503 | ;
|
---|
[b87a5ed] | 1504 |
|
---|
| 1505 | asm_operand: // GCC
|
---|
[ab57786] | 1506 | string_literal '(' constant_expression ')'
|
---|
[408ab79] | 1507 | { $$ = new ExpressionNode( new AsmExpr( nullptr, $1, maybeMoveBuild<Expression>( $3 ) ) ); }
|
---|
[665f432] | 1508 | | '[' IDENTIFIER ']' string_literal '(' constant_expression ')'
|
---|
[408ab79] | 1509 | { $$ = new ExpressionNode( new AsmExpr( $2, $4, maybeMoveBuild<Expression>( $6 ) ) ); }
|
---|
[7f5566b] | 1510 | ;
|
---|
| 1511 |
|
---|
[4e06c1e] | 1512 | asm_clobbers_list_opt: // GCC
|
---|
[7f5566b] | 1513 | // empty
|
---|
[58dd019] | 1514 | { $$ = nullptr; } // use default argument
|
---|
[ab57786] | 1515 | | string_literal
|
---|
[d1625f8] | 1516 | { $$ = new ExpressionNode( $1 ); }
|
---|
[ab57786] | 1517 | | asm_clobbers_list_opt ',' string_literal
|
---|
[4a063df] | 1518 | { $$ = (ExpressionNode *)($1->set_last( new ExpressionNode( $3 ) )); }
|
---|
[4d51835] | 1519 | ;
|
---|
[b87a5ed] | 1520 |
|
---|
[7f5566b] | 1521 | label_list:
|
---|
[033ff37] | 1522 | identifier
|
---|
[ab57786] | 1523 | {
|
---|
| 1524 | $$ = new LabelNode(); $$->labels.push_back( *$1 );
|
---|
| 1525 | delete $1; // allocated by lexer
|
---|
| 1526 | }
|
---|
[033ff37] | 1527 | | label_list ',' identifier
|
---|
[ab57786] | 1528 | {
|
---|
| 1529 | $$ = $1; $1->labels.push_back( *$3 );
|
---|
| 1530 | delete $3; // allocated by lexer
|
---|
| 1531 | }
|
---|
[4d51835] | 1532 | ;
|
---|
[51b73452] | 1533 |
|
---|
[c11e31c] | 1534 | //******************************* DECLARATIONS *********************************
|
---|
[51b73452] | 1535 |
|
---|
[b87a5ed] | 1536 | declaration_list_opt: // used at beginning of switch statement
|
---|
[35718a9] | 1537 | // empty
|
---|
[58dd019] | 1538 | { $$ = nullptr; }
|
---|
[4d51835] | 1539 | | declaration_list
|
---|
| 1540 | ;
|
---|
[51b73452] | 1541 |
|
---|
| 1542 | declaration_list:
|
---|
[4d51835] | 1543 | declaration
|
---|
[35718a9] | 1544 | | declaration_list declaration
|
---|
| 1545 | { $$ = $1->appendList( $2 ); }
|
---|
[4d51835] | 1546 | ;
|
---|
[51b73452] | 1547 |
|
---|
[407bde5] | 1548 | KR_parameter_list_opt: // used to declare parameter types in K&R style functions
|
---|
[4cc585b] | 1549 | // empty
|
---|
[58dd019] | 1550 | { $$ = nullptr; }
|
---|
[35718a9] | 1551 | | KR_parameter_list
|
---|
[4d51835] | 1552 | ;
|
---|
[51b73452] | 1553 |
|
---|
[35718a9] | 1554 | KR_parameter_list:
|
---|
[4cc585b] | 1555 | push c_declaration pop ';'
|
---|
| 1556 | { $$ = $2; }
|
---|
[35718a9] | 1557 | | KR_parameter_list push c_declaration pop ';'
|
---|
[4d51835] | 1558 | { $$ = $1->appendList( $3 ); }
|
---|
| 1559 | ;
|
---|
[b87a5ed] | 1560 |
|
---|
[51b1202] | 1561 | local_label_declaration_opt: // GCC, local label
|
---|
[4d51835] | 1562 | // empty
|
---|
[51b1202] | 1563 | | local_label_declaration_list
|
---|
[4d51835] | 1564 | ;
|
---|
[b87a5ed] | 1565 |
|
---|
[51b1202] | 1566 | local_label_declaration_list: // GCC, local label
|
---|
| 1567 | LABEL local_label_list ';'
|
---|
| 1568 | | local_label_declaration_list LABEL local_label_list ';'
|
---|
[4d51835] | 1569 | ;
|
---|
[b87a5ed] | 1570 |
|
---|
[51b1202] | 1571 | local_label_list: // GCC, local label
|
---|
[033ff37] | 1572 | identifier_or_type_name
|
---|
| 1573 | | local_label_list ',' identifier_or_type_name
|
---|
[4d51835] | 1574 | ;
|
---|
[b87a5ed] | 1575 |
|
---|
[936e9f4] | 1576 | declaration: // old & new style declarations
|
---|
[35718a9] | 1577 | c_declaration ';'
|
---|
| 1578 | | cfa_declaration ';' // CFA
|
---|
[b47b827] | 1579 | | static_assert // C11
|
---|
[4d51835] | 1580 | ;
|
---|
[b87a5ed] | 1581 |
|
---|
[b9be000b] | 1582 | static_assert:
|
---|
| 1583 | STATICASSERT '(' constant_expression ',' string_literal ')' ';' // C11
|
---|
[f6e3e34] | 1584 | { $$ = DeclarationNode::newStaticAssert( $3, $5 ); }
|
---|
[b47b827] | 1585 | | STATICASSERT '(' constant_expression ')' ';' // CFA
|
---|
[6e3eaa57] | 1586 | { $$ = DeclarationNode::newStaticAssert( $3, build_constantStr( *new string( "\"\"" ) ) ); }
|
---|
[b9be000b] | 1587 |
|
---|
[de62360d] | 1588 | // C declaration syntax is notoriously confusing and error prone. Cforall provides its own type, variable and function
|
---|
| 1589 | // declarations. CFA declarations use the same declaration tokens as in C; however, CFA places declaration modifiers to
|
---|
| 1590 | // the left of the base type, while C declarations place modifiers to the right of the base type. CFA declaration
|
---|
| 1591 | // modifiers are interpreted from left to right and the entire type specification is distributed across all variables in
|
---|
| 1592 | // the declaration list (as in Pascal). ANSI C and the new CFA declarations may appear together in the same program
|
---|
| 1593 | // block, but cannot be mixed within a specific declaration.
|
---|
[c11e31c] | 1594 | //
|
---|
[b87a5ed] | 1595 | // CFA C
|
---|
| 1596 | // [10] int x; int x[10]; // array of 10 integers
|
---|
| 1597 | // [10] * char y; char *y[10]; // array of 10 pointers to char
|
---|
| 1598 |
|
---|
[c0aa336] | 1599 | cfa_declaration: // CFA
|
---|
[4cc585b] | 1600 | cfa_variable_declaration
|
---|
| 1601 | | cfa_typedef_declaration
|
---|
| 1602 | | cfa_function_declaration
|
---|
| 1603 | | type_declaring_list
|
---|
[2501ae5] | 1604 | { SemanticError( yylloc, "otype declaration is currently unimplemented." ); $$ = nullptr; }
|
---|
[4cc585b] | 1605 | | trait_specifier
|
---|
[4d51835] | 1606 | ;
|
---|
[b87a5ed] | 1607 |
|
---|
[c0aa336] | 1608 | cfa_variable_declaration: // CFA
|
---|
| 1609 | cfa_variable_specifier initializer_opt
|
---|
[7fdb94e1] | 1610 | { $$ = $1->addInitializer( $2 ); }
|
---|
[c0aa336] | 1611 | | declaration_qualifier_list cfa_variable_specifier initializer_opt
|
---|
[de62360d] | 1612 | // declaration_qualifier_list also includes type_qualifier_list, so a semantic check is necessary to preclude
|
---|
| 1613 | // them as a type_qualifier cannot appear in that context.
|
---|
[7fdb94e1] | 1614 | { $$ = $2->addQualifiers( $1 )->addInitializer( $3 ); }
|
---|
[c0aa336] | 1615 | | cfa_variable_declaration pop ',' push identifier_or_type_name initializer_opt
|
---|
[7fdb94e1] | 1616 | { $$ = $1->appendList( $1->cloneType( $5 )->addInitializer( $6 ) ); }
|
---|
[4d51835] | 1617 | ;
|
---|
[b87a5ed] | 1618 |
|
---|
[c0aa336] | 1619 | cfa_variable_specifier: // CFA
|
---|
[de62360d] | 1620 | // A semantic check is required to ensure asm_name only appears on declarations with implicit or explicit static
|
---|
| 1621 | // storage-class
|
---|
[c0aa336] | 1622 | cfa_abstract_declarator_no_tuple identifier_or_type_name asm_name_opt
|
---|
[7fdb94e1] | 1623 | { $$ = $1->addName( $2 )->addAsmName( $3 ); }
|
---|
[c0aa336] | 1624 | | cfa_abstract_tuple identifier_or_type_name asm_name_opt
|
---|
[7fdb94e1] | 1625 | { $$ = $1->addName( $2 )->addAsmName( $3 ); }
|
---|
[c0aa336] | 1626 | | type_qualifier_list cfa_abstract_tuple identifier_or_type_name asm_name_opt
|
---|
[7fdb94e1] | 1627 | { $$ = $2->addQualifiers( $1 )->addName( $3 )->addAsmName( $4 ); }
|
---|
[4d51835] | 1628 | ;
|
---|
[b87a5ed] | 1629 |
|
---|
[c0aa336] | 1630 | cfa_function_declaration: // CFA
|
---|
| 1631 | cfa_function_specifier
|
---|
| 1632 | | type_qualifier_list cfa_function_specifier
|
---|
[7fdb94e1] | 1633 | { $$ = $2->addQualifiers( $1 ); }
|
---|
[c0aa336] | 1634 | | declaration_qualifier_list cfa_function_specifier
|
---|
[7fdb94e1] | 1635 | { $$ = $2->addQualifiers( $1 ); }
|
---|
[c0aa336] | 1636 | | declaration_qualifier_list type_qualifier_list cfa_function_specifier
|
---|
[7fdb94e1] | 1637 | { $$ = $3->addQualifiers( $1 )->addQualifiers( $2 ); }
|
---|
[40de461] | 1638 | | cfa_function_declaration ',' identifier_or_type_name '(' push cfa_parameter_ellipsis_list_opt pop ')'
|
---|
[4d51835] | 1639 | {
|
---|
[481115f] | 1640 | // Append the return type at the start (left-hand-side) to each identifier in the list.
|
---|
| 1641 | DeclarationNode * ret = new DeclarationNode;
|
---|
| 1642 | ret->type = maybeClone( $1->type->base );
|
---|
[40de461] | 1643 | $$ = $1->appendList( DeclarationNode::newFunction( $3, ret, $6, nullptr ) );
|
---|
[4d51835] | 1644 | }
|
---|
| 1645 | ;
|
---|
[b87a5ed] | 1646 |
|
---|
[c0aa336] | 1647 | cfa_function_specifier: // CFA
|
---|
[40de461] | 1648 | // '[' ']' identifier_or_type_name '(' push cfa_parameter_ellipsis_list_opt pop ')' // S/R conflict
|
---|
[1b29996] | 1649 | // {
|
---|
| 1650 | // $$ = DeclarationNode::newFunction( $3, DeclarationNode::newTuple( 0 ), $6, 0, true );
|
---|
| 1651 | // }
|
---|
[40de461] | 1652 | // '[' ']' identifier '(' push cfa_parameter_ellipsis_list_opt pop ')'
|
---|
[2871210] | 1653 | // {
|
---|
| 1654 | // typedefTable.setNextIdentifier( *$5 );
|
---|
| 1655 | // $$ = DeclarationNode::newFunction( $5, DeclarationNode::newTuple( 0 ), $8, 0, true );
|
---|
| 1656 | // }
|
---|
[40de461] | 1657 | // | '[' ']' TYPEDEFname '(' push cfa_parameter_ellipsis_list_opt pop ')'
|
---|
[2871210] | 1658 | // {
|
---|
| 1659 | // typedefTable.setNextIdentifier( *$5 );
|
---|
| 1660 | // $$ = DeclarationNode::newFunction( $5, DeclarationNode::newTuple( 0 ), $8, 0, true );
|
---|
| 1661 | // }
|
---|
| 1662 | // | '[' ']' typegen_name
|
---|
| 1663 | // identifier_or_type_name must be broken apart because of the sequence:
|
---|
[4d51835] | 1664 | //
|
---|
[40de461] | 1665 | // '[' ']' identifier_or_type_name '(' cfa_parameter_ellipsis_list_opt ')'
|
---|
[4d51835] | 1666 | // '[' ']' type_specifier
|
---|
| 1667 | //
|
---|
[2871210] | 1668 | // type_specifier can resolve to just TYPEDEFname (e.g., typedef int T; int f( T );). Therefore this must be
|
---|
| 1669 | // flattened to allow lookahead to the '(' without having to reduce identifier_or_type_name.
|
---|
[c744563a] | 1670 | cfa_abstract_tuple identifier_or_type_name '(' push cfa_parameter_ellipsis_list_opt pop ')' attribute_list_opt
|
---|
[c0aa336] | 1671 | // To obtain LR(1 ), this rule must be factored out from function return type (see cfa_abstract_declarator).
|
---|
[c744563a] | 1672 | { $$ = DeclarationNode::newFunction( $2, $1, $5, 0 )->addQualifiers( $8 ); }
|
---|
| 1673 | | cfa_function_return identifier_or_type_name '(' push cfa_parameter_ellipsis_list_opt pop ')' attribute_list_opt
|
---|
| 1674 | { $$ = DeclarationNode::newFunction( $2, $1, $5, 0 )->addQualifiers( $8 ); }
|
---|
[4d51835] | 1675 | ;
|
---|
[b87a5ed] | 1676 |
|
---|
[c0aa336] | 1677 | cfa_function_return: // CFA
|
---|
[c0a33d2] | 1678 | '[' push cfa_parameter_list pop ']'
|
---|
| 1679 | { $$ = DeclarationNode::newTuple( $3 ); }
|
---|
| 1680 | | '[' push cfa_parameter_list pop ',' push cfa_abstract_parameter_list pop ']'
|
---|
[b048dc3] | 1681 | // To obtain LR(1 ), the last cfa_abstract_parameter_list is added into this flattened rule to lookahead to the ']'.
|
---|
[c0a33d2] | 1682 | { $$ = DeclarationNode::newTuple( $3->appendList( $7 ) ); }
|
---|
[4d51835] | 1683 | ;
|
---|
[b87a5ed] | 1684 |
|
---|
[c0aa336] | 1685 | cfa_typedef_declaration: // CFA
|
---|
| 1686 | TYPEDEF cfa_variable_specifier
|
---|
[4d51835] | 1687 | {
|
---|
[ecae5860] | 1688 | typedefTable.addToEnclosingScope( *$2->name, TYPEDEFname, "1" );
|
---|
[4d51835] | 1689 | $$ = $2->addTypedef();
|
---|
| 1690 | }
|
---|
[c0aa336] | 1691 | | TYPEDEF cfa_function_specifier
|
---|
[4d51835] | 1692 | {
|
---|
[ecae5860] | 1693 | typedefTable.addToEnclosingScope( *$2->name, TYPEDEFname, "2" );
|
---|
[4d51835] | 1694 | $$ = $2->addTypedef();
|
---|
| 1695 | }
|
---|
[033ff37] | 1696 | | cfa_typedef_declaration pop ',' push identifier
|
---|
[4d51835] | 1697 | {
|
---|
[ecae5860] | 1698 | typedefTable.addToEnclosingScope( *$5, TYPEDEFname, "3" );
|
---|
[4d51835] | 1699 | $$ = $1->appendList( $1->cloneType( $5 ) );
|
---|
| 1700 | }
|
---|
| 1701 | ;
|
---|
[b87a5ed] | 1702 |
|
---|
[de62360d] | 1703 | // Traditionally typedef is part of storage-class specifier for syntactic convenience only. Here, it is factored out as
|
---|
| 1704 | // a separate form of declaration, which syntactically precludes storage-class specifiers and initialization.
|
---|
[51b73452] | 1705 |
|
---|
| 1706 | typedef_declaration:
|
---|
[4d51835] | 1707 | TYPEDEF type_specifier declarator
|
---|
| 1708 | {
|
---|
[ecae5860] | 1709 | typedefTable.addToEnclosingScope( *$3->name, TYPEDEFname, "4" );
|
---|
[4d51835] | 1710 | $$ = $3->addType( $2 )->addTypedef();
|
---|
| 1711 | }
|
---|
| 1712 | | typedef_declaration pop ',' push declarator
|
---|
| 1713 | {
|
---|
[ecae5860] | 1714 | typedefTable.addToEnclosingScope( *$5->name, TYPEDEFname, "5" );
|
---|
[4d51835] | 1715 | $$ = $1->appendList( $1->cloneBaseType( $5 )->addTypedef() );
|
---|
| 1716 | }
|
---|
[de62360d] | 1717 | | type_qualifier_list TYPEDEF type_specifier declarator // remaining OBSOLESCENT (see 2 )
|
---|
[4d51835] | 1718 | {
|
---|
[ecae5860] | 1719 | typedefTable.addToEnclosingScope( *$4->name, TYPEDEFname, "6" );
|
---|
[4d51835] | 1720 | $$ = $4->addType( $3 )->addQualifiers( $1 )->addTypedef();
|
---|
| 1721 | }
|
---|
| 1722 | | type_specifier TYPEDEF declarator
|
---|
| 1723 | {
|
---|
[ecae5860] | 1724 | typedefTable.addToEnclosingScope( *$3->name, TYPEDEFname, "7" );
|
---|
[4d51835] | 1725 | $$ = $3->addType( $1 )->addTypedef();
|
---|
| 1726 | }
|
---|
| 1727 | | type_specifier TYPEDEF type_qualifier_list declarator
|
---|
| 1728 | {
|
---|
[ecae5860] | 1729 | typedefTable.addToEnclosingScope( *$4->name, TYPEDEFname, "8" );
|
---|
[de62360d] | 1730 | $$ = $4->addQualifiers( $1 )->addTypedef()->addType( $1 );
|
---|
[4d51835] | 1731 | }
|
---|
| 1732 | ;
|
---|
[b87a5ed] | 1733 |
|
---|
[721f17a] | 1734 | typedef_expression:
|
---|
[25744d2] | 1735 | // deprecated GCC, naming expression type: typedef name = exp; gives a name to the type of an expression
|
---|
[033ff37] | 1736 | TYPEDEF identifier '=' assignment_expression
|
---|
[4d51835] | 1737 | {
|
---|
[25744d2] | 1738 | SemanticError( yylloc, "Typedef expression is deprecated, use typeof(...) instead." ); $$ = nullptr;
|
---|
[4d51835] | 1739 | }
|
---|
[033ff37] | 1740 | | typedef_expression pop ',' push identifier '=' assignment_expression
|
---|
[4d51835] | 1741 | {
|
---|
[25744d2] | 1742 | SemanticError( yylloc, "Typedef expression is deprecated, use typeof(...) instead." ); $$ = nullptr;
|
---|
[4d51835] | 1743 | }
|
---|
| 1744 | ;
|
---|
[51b73452] | 1745 |
|
---|
[c0aa336] | 1746 | c_declaration:
|
---|
[4cc585b] | 1747 | declaration_specifier declaring_list
|
---|
[7fdb94e1] | 1748 | { $$ = distAttr( $1, $2 ); }
|
---|
[4cc585b] | 1749 | | typedef_declaration
|
---|
[25744d2] | 1750 | | typedef_expression // deprecated GCC, naming expression type
|
---|
[4cc585b] | 1751 | | sue_declaration_specifier
|
---|
[4d51835] | 1752 | ;
|
---|
[51b73452] | 1753 |
|
---|
| 1754 | declaring_list:
|
---|
[de62360d] | 1755 | // A semantic check is required to ensure asm_name only appears on declarations with implicit or explicit static
|
---|
| 1756 | // storage-class
|
---|
[c0aa336] | 1757 | declarator asm_name_opt initializer_opt
|
---|
[7fdb94e1] | 1758 | { $$ = $1->addAsmName( $2 )->addInitializer( $3 ); }
|
---|
[4d51835] | 1759 | | declaring_list ',' attribute_list_opt declarator asm_name_opt initializer_opt
|
---|
[7fdb94e1] | 1760 | { $$ = $1->appendList( $4->addQualifiers( $3 )->addAsmName( $5 )->addInitializer( $6 ) ); }
|
---|
[4d51835] | 1761 | ;
|
---|
[b87a5ed] | 1762 |
|
---|
| 1763 | declaration_specifier: // type specifier + storage class
|
---|
[4d51835] | 1764 | basic_declaration_specifier
|
---|
| 1765 | | sue_declaration_specifier
|
---|
[84d58c5] | 1766 | | type_declaration_specifier
|
---|
[4d51835] | 1767 | ;
|
---|
[b87a5ed] | 1768 |
|
---|
[d0ffed1] | 1769 | declaration_specifier_nobody: // type specifier + storage class - {...}
|
---|
| 1770 | // Preclude SUE declarations in restricted scopes:
|
---|
| 1771 | //
|
---|
| 1772 | // int f( struct S { int i; } s1, Struct S s2 ) { struct S s3; ... }
|
---|
| 1773 | //
|
---|
| 1774 | // because it is impossible to call f due to name equivalence.
|
---|
| 1775 | basic_declaration_specifier
|
---|
| 1776 | | sue_declaration_specifier_nobody
|
---|
[84d58c5] | 1777 | | type_declaration_specifier
|
---|
[d0ffed1] | 1778 | ;
|
---|
| 1779 |
|
---|
| 1780 | type_specifier: // type specifier
|
---|
[4d51835] | 1781 | basic_type_specifier
|
---|
| 1782 | | sue_type_specifier
|
---|
[84d58c5] | 1783 | | type_type_specifier
|
---|
[4d51835] | 1784 | ;
|
---|
[b87a5ed] | 1785 |
|
---|
[d0ffed1] | 1786 | type_specifier_nobody: // type specifier - {...}
|
---|
| 1787 | // Preclude SUE declarations in restricted scopes:
|
---|
| 1788 | //
|
---|
| 1789 | // int f( struct S { int i; } s1, Struct S s2 ) { struct S s3; ... }
|
---|
| 1790 | //
|
---|
| 1791 | // because it is impossible to call f due to name equivalence.
|
---|
| 1792 | basic_type_specifier
|
---|
| 1793 | | sue_type_specifier_nobody
|
---|
[84d58c5] | 1794 | | type_type_specifier
|
---|
[d0ffed1] | 1795 | ;
|
---|
| 1796 |
|
---|
[b87a5ed] | 1797 | type_qualifier_list_opt: // GCC, used in asm_statement
|
---|
[4d51835] | 1798 | // empty
|
---|
[58dd019] | 1799 | { $$ = nullptr; }
|
---|
[4d51835] | 1800 | | type_qualifier_list
|
---|
| 1801 | ;
|
---|
[51b73452] | 1802 |
|
---|
| 1803 | type_qualifier_list:
|
---|
[de62360d] | 1804 | // A semantic check is necessary to ensure a type qualifier is appropriate for the kind of declaration.
|
---|
[4d51835] | 1805 | //
|
---|
[de62360d] | 1806 | // ISO/IEC 9899:1999 Section 6.7.3(4 ) : If the same qualifier appears more than once in the same
|
---|
| 1807 | // specifier-qualifier-list, either directly or via one or more typedefs, the behavior is the same as if it
|
---|
| 1808 | // appeared only once.
|
---|
[4d51835] | 1809 | type_qualifier
|
---|
| 1810 | | type_qualifier_list type_qualifier
|
---|
| 1811 | { $$ = $1->addQualifiers( $2 ); }
|
---|
| 1812 | ;
|
---|
[51b73452] | 1813 |
|
---|
| 1814 | type_qualifier:
|
---|
[4d51835] | 1815 | type_qualifier_name
|
---|
[5e25953] | 1816 | | attribute // trick handles most atrribute locations
|
---|
[4d51835] | 1817 | ;
|
---|
[51b73452] | 1818 |
|
---|
| 1819 | type_qualifier_name:
|
---|
[4d51835] | 1820 | CONST
|
---|
[738e304] | 1821 | { $$ = DeclarationNode::newTypeQualifier( Type::Const ); }
|
---|
[4d51835] | 1822 | | RESTRICT
|
---|
[738e304] | 1823 | { $$ = DeclarationNode::newTypeQualifier( Type::Restrict ); }
|
---|
[4d51835] | 1824 | | VOLATILE
|
---|
[738e304] | 1825 | { $$ = DeclarationNode::newTypeQualifier( Type::Volatile ); }
|
---|
[4d51835] | 1826 | | ATOMIC
|
---|
[738e304] | 1827 | { $$ = DeclarationNode::newTypeQualifier( Type::Atomic ); }
|
---|
[a16a7ec] | 1828 | | forall
|
---|
| 1829 | ;
|
---|
| 1830 |
|
---|
| 1831 | forall:
|
---|
[35718a9] | 1832 | FORALL '(' type_parameter_list ')' // CFA
|
---|
| 1833 | { $$ = DeclarationNode::newForall( $3 ); }
|
---|
[4d51835] | 1834 | ;
|
---|
[51b73452] | 1835 |
|
---|
| 1836 | declaration_qualifier_list:
|
---|
[4d51835] | 1837 | storage_class_list
|
---|
[de62360d] | 1838 | | type_qualifier_list storage_class_list // remaining OBSOLESCENT (see 2 )
|
---|
[4d51835] | 1839 | { $$ = $1->addQualifiers( $2 ); }
|
---|
| 1840 | | declaration_qualifier_list type_qualifier_list storage_class_list
|
---|
| 1841 | { $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
|
---|
| 1842 | ;
|
---|
[51b73452] | 1843 |
|
---|
| 1844 | storage_class_list:
|
---|
[de62360d] | 1845 | // A semantic check is necessary to ensure a storage class is appropriate for the kind of declaration and that
|
---|
| 1846 | // only one of each is specified, except for inline, which can appear with the others.
|
---|
[4d51835] | 1847 | //
|
---|
[de62360d] | 1848 | // ISO/IEC 9899:1999 Section 6.7.1(2) : At most, one storage-class specifier may be given in the declaration
|
---|
| 1849 | // specifiers in a declaration.
|
---|
[4d51835] | 1850 | storage_class
|
---|
| 1851 | | storage_class_list storage_class
|
---|
| 1852 | { $$ = $1->addQualifiers( $2 ); }
|
---|
| 1853 | ;
|
---|
[51b73452] | 1854 |
|
---|
| 1855 | storage_class:
|
---|
[4d51835] | 1856 | EXTERN
|
---|
[68fe077a] | 1857 | { $$ = DeclarationNode::newStorageClass( Type::Extern ); }
|
---|
[4d51835] | 1858 | | STATIC
|
---|
[68fe077a] | 1859 | { $$ = DeclarationNode::newStorageClass( Type::Static ); }
|
---|
[4d51835] | 1860 | | AUTO
|
---|
[68fe077a] | 1861 | { $$ = DeclarationNode::newStorageClass( Type::Auto ); }
|
---|
[4d51835] | 1862 | | REGISTER
|
---|
[68fe077a] | 1863 | { $$ = DeclarationNode::newStorageClass( Type::Register ); }
|
---|
[dd020c0] | 1864 | | THREADLOCAL // C11
|
---|
[68fe077a] | 1865 | { $$ = DeclarationNode::newStorageClass( Type::Threadlocal ); }
|
---|
[dd020c0] | 1866 | // Put function specifiers here to simplify parsing rules, but separate them semantically.
|
---|
[4d51835] | 1867 | | INLINE // C99
|
---|
[ddfd945] | 1868 | { $$ = DeclarationNode::newFuncSpecifier( Type::Inline ); }
|
---|
[4d51835] | 1869 | | FORTRAN // C99
|
---|
[ddfd945] | 1870 | { $$ = DeclarationNode::newFuncSpecifier( Type::Fortran ); }
|
---|
[68cd1ce] | 1871 | | NORETURN // C11
|
---|
[ddfd945] | 1872 | { $$ = DeclarationNode::newFuncSpecifier( Type::Noreturn ); }
|
---|
[4d51835] | 1873 | ;
|
---|
[51b73452] | 1874 |
|
---|
| 1875 | basic_type_name:
|
---|
[201aeb9] | 1876 | VOID
|
---|
[4d51835] | 1877 | { $$ = DeclarationNode::newBasicType( DeclarationNode::Void ); }
|
---|
| 1878 | | BOOL // C99
|
---|
| 1879 | { $$ = DeclarationNode::newBasicType( DeclarationNode::Bool ); }
|
---|
[201aeb9] | 1880 | | CHAR
|
---|
| 1881 | { $$ = DeclarationNode::newBasicType( DeclarationNode::Char ); }
|
---|
| 1882 | | INT
|
---|
| 1883 | { $$ = DeclarationNode::newBasicType( DeclarationNode::Int ); }
|
---|
| 1884 | | INT128
|
---|
| 1885 | { $$ = DeclarationNode::newBasicType( DeclarationNode::Int128 ); }
|
---|
[f1da02c] | 1886 | | UINT128
|
---|
| 1887 | { $$ = DeclarationNode::newBasicType( DeclarationNode::Int128 )->addType( DeclarationNode::newSignedNess( DeclarationNode::Unsigned ) ); }
|
---|
[201aeb9] | 1888 | | FLOAT
|
---|
| 1889 | { $$ = DeclarationNode::newBasicType( DeclarationNode::Float ); }
|
---|
| 1890 | | DOUBLE
|
---|
| 1891 | { $$ = DeclarationNode::newBasicType( DeclarationNode::Double ); }
|
---|
[e15853c] | 1892 | | uuFLOAT80
|
---|
| 1893 | { $$ = DeclarationNode::newBasicType( DeclarationNode::uuFloat80 ); }
|
---|
| 1894 | | uuFLOAT128
|
---|
| 1895 | { $$ = DeclarationNode::newBasicType( DeclarationNode::uuFloat128 ); }
|
---|
| 1896 | | uFLOAT16
|
---|
| 1897 | { $$ = DeclarationNode::newBasicType( DeclarationNode::uFloat16 ); }
|
---|
| 1898 | | uFLOAT32
|
---|
| 1899 | { $$ = DeclarationNode::newBasicType( DeclarationNode::uFloat32 ); }
|
---|
| 1900 | | uFLOAT32X
|
---|
| 1901 | { $$ = DeclarationNode::newBasicType( DeclarationNode::uFloat32x ); }
|
---|
| 1902 | | uFLOAT64
|
---|
| 1903 | { $$ = DeclarationNode::newBasicType( DeclarationNode::uFloat64 ); }
|
---|
| 1904 | | uFLOAT64X
|
---|
| 1905 | { $$ = DeclarationNode::newBasicType( DeclarationNode::uFloat64x ); }
|
---|
| 1906 | | uFLOAT128
|
---|
| 1907 | { $$ = DeclarationNode::newBasicType( DeclarationNode::uFloat128 ); }
|
---|
[15f769c] | 1908 | | DECIMAL32
|
---|
| 1909 | { SemanticError( yylloc, "_Decimal32 is currently unimplemented." ); $$ = nullptr; }
|
---|
| 1910 | | DECIMAL64
|
---|
| 1911 | { SemanticError( yylloc, "_Decimal64 is currently unimplemented." ); $$ = nullptr; }
|
---|
| 1912 | | DECIMAL128
|
---|
| 1913 | { SemanticError( yylloc, "_Decimal128 is currently unimplemented." ); $$ = nullptr; }
|
---|
[4d51835] | 1914 | | COMPLEX // C99
|
---|
[5b639ee] | 1915 | { $$ = DeclarationNode::newComplexType( DeclarationNode::Complex ); }
|
---|
[4d51835] | 1916 | | IMAGINARY // C99
|
---|
[5b639ee] | 1917 | { $$ = DeclarationNode::newComplexType( DeclarationNode::Imaginary ); }
|
---|
[201aeb9] | 1918 | | SIGNED
|
---|
| 1919 | { $$ = DeclarationNode::newSignedNess( DeclarationNode::Signed ); }
|
---|
| 1920 | | UNSIGNED
|
---|
| 1921 | { $$ = DeclarationNode::newSignedNess( DeclarationNode::Unsigned ); }
|
---|
| 1922 | | SHORT
|
---|
| 1923 | { $$ = DeclarationNode::newLength( DeclarationNode::Short ); }
|
---|
| 1924 | | LONG
|
---|
| 1925 | { $$ = DeclarationNode::newLength( DeclarationNode::Long ); }
|
---|
[72457b6] | 1926 | | VALIST // GCC, __builtin_va_list
|
---|
| 1927 | { $$ = DeclarationNode::newBuiltinType( DeclarationNode::Valist ); }
|
---|
[f673c13c] | 1928 | | AUTO_TYPE
|
---|
| 1929 | { $$ = DeclarationNode::newBuiltinType( DeclarationNode::AutoType ); }
|
---|
[1f652a7] | 1930 | | vtable
|
---|
| 1931 | ;
|
---|
| 1932 |
|
---|
| 1933 | vtable_opt:
|
---|
| 1934 | // empty
|
---|
| 1935 | { $$ = nullptr; }
|
---|
[9380add] | 1936 | | vtable
|
---|
[1f652a7] | 1937 | ;
|
---|
| 1938 |
|
---|
| 1939 | vtable:
|
---|
[8f6f3729] | 1940 | VTABLE '(' type_name ')' default_opt
|
---|
[93bbbc4] | 1941 | { $$ = DeclarationNode::newVtableType( $3 ); }
|
---|
| 1942 | // { SemanticError( yylloc, "vtable is currently unimplemented." ); $$ = nullptr; }
|
---|
[1f652a7] | 1943 | ;
|
---|
| 1944 |
|
---|
| 1945 | default_opt:
|
---|
| 1946 | // empty
|
---|
| 1947 | { $$ = nullptr; }
|
---|
| 1948 | | DEFAULT
|
---|
| 1949 | { SemanticError( yylloc, "vtable default is currently unimplemented." ); $$ = nullptr; }
|
---|
[4d51835] | 1950 | ;
|
---|
[51b73452] | 1951 |
|
---|
| 1952 | basic_declaration_specifier:
|
---|
[4d51835] | 1953 | // A semantic check is necessary for conflicting storage classes.
|
---|
| 1954 | basic_type_specifier
|
---|
| 1955 | | declaration_qualifier_list basic_type_specifier
|
---|
| 1956 | { $$ = $2->addQualifiers( $1 ); }
|
---|
| 1957 | | basic_declaration_specifier storage_class // remaining OBSOLESCENT (see 2)
|
---|
| 1958 | { $$ = $1->addQualifiers( $2 ); }
|
---|
| 1959 | | basic_declaration_specifier storage_class type_qualifier_list
|
---|
| 1960 | { $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
|
---|
| 1961 | | basic_declaration_specifier storage_class basic_type_specifier
|
---|
| 1962 | { $$ = $3->addQualifiers( $2 )->addType( $1 ); }
|
---|
| 1963 | ;
|
---|
[51b73452] | 1964 |
|
---|
| 1965 | basic_type_specifier:
|
---|
[84d58c5] | 1966 | direct_type
|
---|
[f38e7d7] | 1967 | // Cannot have type modifiers, e.g., short, long, etc.
|
---|
[84d58c5] | 1968 | | type_qualifier_list_opt indirect_type type_qualifier_list_opt
|
---|
[4d51835] | 1969 | { $$ = $2->addQualifiers( $1 )->addQualifiers( $3 ); }
|
---|
| 1970 | ;
|
---|
[51b73452] | 1971 |
|
---|
[84d58c5] | 1972 | direct_type:
|
---|
[4d51835] | 1973 | basic_type_name
|
---|
| 1974 | | type_qualifier_list basic_type_name
|
---|
| 1975 | { $$ = $2->addQualifiers( $1 ); }
|
---|
[84d58c5] | 1976 | | direct_type type_qualifier
|
---|
[4d51835] | 1977 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[84d58c5] | 1978 | | direct_type basic_type_name
|
---|
[4d51835] | 1979 | { $$ = $1->addType( $2 ); }
|
---|
| 1980 | ;
|
---|
[51b73452] | 1981 |
|
---|
[84d58c5] | 1982 | indirect_type:
|
---|
[b6ad601] | 1983 | TYPEOF '(' type ')' // GCC: typeof( x ) y;
|
---|
[4d51835] | 1984 | { $$ = $3; }
|
---|
[b6ad601] | 1985 | | TYPEOF '(' comma_expression ')' // GCC: typeof( a+b ) y;
|
---|
[4d51835] | 1986 | { $$ = DeclarationNode::newTypeof( $3 ); }
|
---|
[b6ad601] | 1987 | | BASETYPEOF '(' type ')' // CFA: basetypeof( x ) y;
|
---|
| 1988 | { $$ = DeclarationNode::newTypeof( new ExpressionNode( new TypeExpr( maybeMoveBuildType( $3 ) ) ), true ); }
|
---|
| 1989 | | BASETYPEOF '(' comma_expression ')' // CFA: basetypeof( a+b ) y;
|
---|
| 1990 | { $$ = DeclarationNode::newTypeof( $3, true ); }
|
---|
[f38e7d7] | 1991 | | ZERO_T // CFA
|
---|
| 1992 | { $$ = DeclarationNode::newBuiltinType( DeclarationNode::Zero ); }
|
---|
| 1993 | | ONE_T // CFA
|
---|
| 1994 | { $$ = DeclarationNode::newBuiltinType( DeclarationNode::One ); }
|
---|
[4d51835] | 1995 | ;
|
---|
[51b73452] | 1996 |
|
---|
[d0ffed1] | 1997 | sue_declaration_specifier: // struct, union, enum + storage class + type specifier
|
---|
[4d51835] | 1998 | sue_type_specifier
|
---|
| 1999 | | declaration_qualifier_list sue_type_specifier
|
---|
| 2000 | { $$ = $2->addQualifiers( $1 ); }
|
---|
| 2001 | | sue_declaration_specifier storage_class // remaining OBSOLESCENT (see 2)
|
---|
| 2002 | { $$ = $1->addQualifiers( $2 ); }
|
---|
| 2003 | | sue_declaration_specifier storage_class type_qualifier_list
|
---|
| 2004 | { $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
|
---|
| 2005 | ;
|
---|
[51b73452] | 2006 |
|
---|
[d0ffed1] | 2007 | sue_type_specifier: // struct, union, enum + type specifier
|
---|
| 2008 | elaborated_type
|
---|
[fdca7c6] | 2009 | | type_qualifier_list
|
---|
| 2010 | { if ( $1->type != nullptr && $1->type->forall ) forall = true; } // remember generic type
|
---|
| 2011 | elaborated_type
|
---|
| 2012 | { $$ = $3->addQualifiers( $1 ); }
|
---|
[4d51835] | 2013 | | sue_type_specifier type_qualifier
|
---|
[284da8c] | 2014 | {
|
---|
| 2015 | if ( $2->type != nullptr && $2->type->forall ) forall = true; // remember generic type
|
---|
| 2016 | $$ = $1->addQualifiers( $2 );
|
---|
| 2017 | }
|
---|
[4d51835] | 2018 | ;
|
---|
[51b73452] | 2019 |
|
---|
[d0ffed1] | 2020 | sue_declaration_specifier_nobody: // struct, union, enum - {...} + storage class + type specifier
|
---|
| 2021 | sue_type_specifier_nobody
|
---|
| 2022 | | declaration_qualifier_list sue_type_specifier_nobody
|
---|
| 2023 | { $$ = $2->addQualifiers( $1 ); }
|
---|
| 2024 | | sue_declaration_specifier_nobody storage_class // remaining OBSOLESCENT (see 2)
|
---|
| 2025 | { $$ = $1->addQualifiers( $2 ); }
|
---|
| 2026 | | sue_declaration_specifier_nobody storage_class type_qualifier_list
|
---|
| 2027 | { $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
|
---|
| 2028 | ;
|
---|
| 2029 |
|
---|
| 2030 | sue_type_specifier_nobody: // struct, union, enum - {...} + type specifier
|
---|
| 2031 | elaborated_type_nobody
|
---|
| 2032 | | type_qualifier_list elaborated_type_nobody
|
---|
| 2033 | { $$ = $2->addQualifiers( $1 ); }
|
---|
| 2034 | | sue_type_specifier_nobody type_qualifier
|
---|
| 2035 | { $$ = $1->addQualifiers( $2 ); }
|
---|
| 2036 | ;
|
---|
| 2037 |
|
---|
[84d58c5] | 2038 | type_declaration_specifier:
|
---|
| 2039 | type_type_specifier
|
---|
| 2040 | | declaration_qualifier_list type_type_specifier
|
---|
[4d51835] | 2041 | { $$ = $2->addQualifiers( $1 ); }
|
---|
[84d58c5] | 2042 | | type_declaration_specifier storage_class // remaining OBSOLESCENT (see 2)
|
---|
[4d51835] | 2043 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[84d58c5] | 2044 | | type_declaration_specifier storage_class type_qualifier_list
|
---|
[4d51835] | 2045 | { $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
|
---|
| 2046 | ;
|
---|
[b87a5ed] | 2047 |
|
---|
[84d58c5] | 2048 | type_type_specifier: // typedef types
|
---|
| 2049 | type_name
|
---|
| 2050 | | type_qualifier_list type_name
|
---|
| 2051 | { $$ = $2->addQualifiers( $1 ); }
|
---|
| 2052 | | type_type_specifier type_qualifier
|
---|
| 2053 | { $$ = $1->addQualifiers( $2 ); }
|
---|
| 2054 | ;
|
---|
| 2055 |
|
---|
| 2056 | type_name:
|
---|
[4d51835] | 2057 | TYPEDEFname
|
---|
| 2058 | { $$ = DeclarationNode::newFromTypedef( $1 ); }
|
---|
[84d58c5] | 2059 | | '.' TYPEDEFname
|
---|
[47498bd] | 2060 | { $$ = DeclarationNode::newQualifiedType( DeclarationNode::newFromGlobalScope(), DeclarationNode::newFromTypedef( $2 ) ); }
|
---|
[84d58c5] | 2061 | | type_name '.' TYPEDEFname
|
---|
[c5d7701] | 2062 | { $$ = DeclarationNode::newQualifiedType( $1, DeclarationNode::newFromTypedef( $3 ) ); }
|
---|
[84d58c5] | 2063 | | typegen_name
|
---|
| 2064 | | '.' typegen_name
|
---|
[47498bd] | 2065 | { $$ = DeclarationNode::newQualifiedType( DeclarationNode::newFromGlobalScope(), $2 ); }
|
---|
[84d58c5] | 2066 | | type_name '.' typegen_name
|
---|
[c5d7701] | 2067 | { $$ = DeclarationNode::newQualifiedType( $1, $3 ); }
|
---|
[84d58c5] | 2068 | ;
|
---|
| 2069 |
|
---|
| 2070 | typegen_name: // CFA
|
---|
[65d6de4] | 2071 | TYPEGENname
|
---|
| 2072 | { $$ = DeclarationNode::newFromTypeGen( $1, nullptr ); }
|
---|
| 2073 | | TYPEGENname '(' ')'
|
---|
[67cf18c] | 2074 | { $$ = DeclarationNode::newFromTypeGen( $1, nullptr ); }
|
---|
| 2075 | | TYPEGENname '(' type_list ')'
|
---|
[84d58c5] | 2076 | { $$ = DeclarationNode::newFromTypeGen( $1, $3 ); }
|
---|
[4d51835] | 2077 | ;
|
---|
[51b73452] | 2078 |
|
---|
[d0ffed1] | 2079 | elaborated_type: // struct, union, enum
|
---|
[c0aa336] | 2080 | aggregate_type
|
---|
| 2081 | | enum_type
|
---|
[4d51835] | 2082 | ;
|
---|
[51b73452] | 2083 |
|
---|
[d0ffed1] | 2084 | elaborated_type_nobody: // struct, union, enum - {...}
|
---|
| 2085 | aggregate_type_nobody
|
---|
| 2086 | | enum_type_nobody
|
---|
| 2087 | ;
|
---|
| 2088 |
|
---|
| 2089 | aggregate_type: // struct, union
|
---|
[fc20514] | 2090 | aggregate_key attribute_list_opt
|
---|
| 2091 | { forall = false; } // reset
|
---|
| 2092 | '{' field_declaration_list_opt '}' type_parameters_opt
|
---|
[777ed2b] | 2093 | { $$ = DeclarationNode::newAggregate( $1, nullptr, $7, $5, true )->addQualifiers( $2 ); }
|
---|
[73f04fd] | 2094 | | aggregate_key attribute_list_opt identifier
|
---|
[fdca7c6] | 2095 | {
|
---|
[26ef3b2] | 2096 | typedefTable.makeTypedef( *$3, forall || typedefTable.getEnclForall() ? TYPEGENname : TYPEDEFname ); // create typedef
|
---|
[fdca7c6] | 2097 | forall = false; // reset
|
---|
| 2098 | }
|
---|
[284da8c] | 2099 | '{' field_declaration_list_opt '}' type_parameters_opt
|
---|
[73f04fd] | 2100 | { $$ = DeclarationNode::newAggregate( $1, $3, $8, $6, true )->addQualifiers( $2 ); }
|
---|
[f9c3100] | 2101 | | aggregate_key attribute_list_opt TYPEDEFname // unqualified type name
|
---|
[407bde5] | 2102 | {
|
---|
[f9c3100] | 2103 | typedefTable.makeTypedef( *$3, forall || typedefTable.getEnclForall() ? TYPEGENname : TYPEDEFname ); // create typedef
|
---|
[407bde5] | 2104 | forall = false; // reset
|
---|
| 2105 | }
|
---|
[284da8c] | 2106 | '{' field_declaration_list_opt '}' type_parameters_opt
|
---|
[f9c3100] | 2107 | {
|
---|
| 2108 | DeclarationNode::newFromTypedef( $3 );
|
---|
| 2109 | $$ = DeclarationNode::newAggregate( $1, $3, $8, $6, true )->addQualifiers( $2 );
|
---|
| 2110 | }
|
---|
| 2111 | | aggregate_key attribute_list_opt TYPEGENname // unqualified type name
|
---|
| 2112 | {
|
---|
| 2113 | typedefTable.makeTypedef( *$3, forall || typedefTable.getEnclForall() ? TYPEGENname : TYPEDEFname ); // create typedef
|
---|
| 2114 | forall = false; // reset
|
---|
| 2115 | }
|
---|
| 2116 | '{' field_declaration_list_opt '}' type_parameters_opt
|
---|
| 2117 | {
|
---|
| 2118 | DeclarationNode::newFromTypeGen( $3, nullptr );
|
---|
| 2119 | $$ = DeclarationNode::newAggregate( $1, $3, $8, $6, true )->addQualifiers( $2 );
|
---|
| 2120 | }
|
---|
[d0ffed1] | 2121 | | aggregate_type_nobody
|
---|
| 2122 | ;
|
---|
| 2123 |
|
---|
[284da8c] | 2124 | type_parameters_opt:
|
---|
| 2125 | // empty
|
---|
| 2126 | { $$ = nullptr; } %prec '}'
|
---|
| 2127 | | '(' type_list ')'
|
---|
| 2128 | { $$ = $2; }
|
---|
| 2129 | ;
|
---|
| 2130 |
|
---|
[d0ffed1] | 2131 | aggregate_type_nobody: // struct, union - {...}
|
---|
[73f04fd] | 2132 | aggregate_key attribute_list_opt identifier
|
---|
[84d58c5] | 2133 | {
|
---|
[26ef3b2] | 2134 | typedefTable.makeTypedef( *$3, forall || typedefTable.getEnclForall() ? TYPEGENname : TYPEDEFname );
|
---|
[9997fee] | 2135 | forall = false; // reset
|
---|
[84d58c5] | 2136 | $$ = DeclarationNode::newAggregate( $1, $3, nullptr, nullptr, false )->addQualifiers( $2 );
|
---|
| 2137 | }
|
---|
[73f04fd] | 2138 | | aggregate_key attribute_list_opt type_name
|
---|
[65d6de4] | 2139 | {
|
---|
[fc20514] | 2140 | forall = false; // reset
|
---|
[65d6de4] | 2141 | // Create new generic declaration with same name as previous forward declaration, where the IDENTIFIER is
|
---|
| 2142 | // switched to a TYPEGENname. Link any generic arguments from typegen_name to new generic declaration and
|
---|
| 2143 | // delete newFromTypeGen.
|
---|
| 2144 | $$ = DeclarationNode::newAggregate( $1, $3->type->symbolic.name, $3->type->symbolic.actuals, nullptr, false )->addQualifiers( $2 );
|
---|
| 2145 | $3->type->symbolic.name = nullptr;
|
---|
| 2146 | $3->type->symbolic.actuals = nullptr;
|
---|
| 2147 | delete $3;
|
---|
| 2148 | }
|
---|
[4d51835] | 2149 | ;
|
---|
[51b73452] | 2150 |
|
---|
| 2151 | aggregate_key:
|
---|
[e307e12] | 2152 | aggregate_data
|
---|
| 2153 | | aggregate_control
|
---|
| 2154 | ;
|
---|
| 2155 |
|
---|
| 2156 | aggregate_data:
|
---|
[1f652a7] | 2157 | STRUCT vtable_opt
|
---|
[24711a3] | 2158 | { $$ = AggregateDecl::Struct; }
|
---|
[c0aa336] | 2159 | | UNION
|
---|
[24711a3] | 2160 | { $$ = AggregateDecl::Union; }
|
---|
[e307e12] | 2161 | | EXCEPTION // CFA
|
---|
[24711a3] | 2162 | { $$ = AggregateDecl::Exception; }
|
---|
[1f652a7] | 2163 | // { SemanticError( yylloc, "exception aggregate is currently unimplemented." ); $$ = AggregateDecl::NoAggregate; }
|
---|
[e307e12] | 2164 | ;
|
---|
| 2165 |
|
---|
| 2166 | aggregate_control: // CFA
|
---|
[cbbd8fd7] | 2167 | MONITOR
|
---|
[24711a3] | 2168 | { $$ = AggregateDecl::Monitor; }
|
---|
[cbbd8fd7] | 2169 | | MUTEX STRUCT
|
---|
[24711a3] | 2170 | { $$ = AggregateDecl::Monitor; }
|
---|
[cbbd8fd7] | 2171 | | GENERATOR
|
---|
[24711a3] | 2172 | { $$ = AggregateDecl::Generator; }
|
---|
[cbbd8fd7] | 2173 | | MUTEX GENERATOR
|
---|
[aeb5d0d] | 2174 | { SemanticError( yylloc, "monitor generator is currently unimplemented." ); $$ = AggregateDecl::NoAggregate; }
|
---|
[d3bc0ad] | 2175 | | COROUTINE
|
---|
[24711a3] | 2176 | { $$ = AggregateDecl::Coroutine; }
|
---|
[cbbd8fd7] | 2177 | | MUTEX COROUTINE
|
---|
[aeb5d0d] | 2178 | { SemanticError( yylloc, "monitor coroutine is currently unimplemented." ); $$ = AggregateDecl::NoAggregate; }
|
---|
[d3bc0ad] | 2179 | | THREAD
|
---|
[24711a3] | 2180 | { $$ = AggregateDecl::Thread; }
|
---|
[cbbd8fd7] | 2181 | | MUTEX THREAD
|
---|
[aeb5d0d] | 2182 | { SemanticError( yylloc, "monitor thread is currently unimplemented." ); $$ = AggregateDecl::NoAggregate; }
|
---|
[4d51835] | 2183 | ;
|
---|
[51b73452] | 2184 |
|
---|
[7fdb94e1] | 2185 | field_declaration_list_opt:
|
---|
[5d125e4] | 2186 | // empty
|
---|
[58dd019] | 2187 | { $$ = nullptr; }
|
---|
[7fdb94e1] | 2188 | | field_declaration_list_opt field_declaration
|
---|
[a7741435] | 2189 | { $$ = $1 ? $1->appendList( $2 ) : $2; }
|
---|
[4d51835] | 2190 | ;
|
---|
[51b73452] | 2191 |
|
---|
| 2192 | field_declaration:
|
---|
[679e644] | 2193 | type_specifier field_declaring_list_opt ';'
|
---|
[f7e4db27] | 2194 | { $$ = fieldDecl( $1, $2 ); }
|
---|
[679e644] | 2195 | | EXTENSION type_specifier field_declaring_list_opt ';' // GCC
|
---|
[f7e4db27] | 2196 | { $$ = fieldDecl( $2, $3 ); distExt( $$ ); }
|
---|
[e07caa2] | 2197 | | INLINE type_specifier field_abstract_list_opt ';' // CFA
|
---|
[679e644] | 2198 | {
|
---|
[dea36ee] | 2199 | if ( ! $3 ) { // field declarator ?
|
---|
| 2200 | $3 = DeclarationNode::newName( nullptr );
|
---|
| 2201 | } // if
|
---|
[679a260] | 2202 | $3->inLine = true;
|
---|
[679e644] | 2203 | $$ = distAttr( $2, $3 ); // mark all fields in list
|
---|
[e07caa2] | 2204 | distInl( $3 );
|
---|
[8f91c9ae] | 2205 | }
|
---|
[e307e12] | 2206 | | INLINE aggregate_control ';' // CFA
|
---|
| 2207 | { SemanticError( yylloc, "INLINE aggregate control currently unimplemented." ); $$ = nullptr; }
|
---|
[46fa473] | 2208 | | typedef_declaration ';' // CFA
|
---|
| 2209 | | cfa_field_declaring_list ';' // CFA, new style field declaration
|
---|
| 2210 | | EXTENSION cfa_field_declaring_list ';' // GCC
|
---|
| 2211 | { distExt( $2 ); $$ = $2; } // mark all fields in list
|
---|
[679e644] | 2212 | | INLINE cfa_field_abstract_list ';' // CFA, new style field declaration
|
---|
| 2213 | { $$ = $2; } // mark all fields in list
|
---|
[46fa473] | 2214 | | cfa_typedef_declaration ';' // CFA
|
---|
[b47b827] | 2215 | | static_assert // C11
|
---|
[4d51835] | 2216 | ;
|
---|
[b87a5ed] | 2217 |
|
---|
[679e644] | 2218 | field_declaring_list_opt:
|
---|
| 2219 | // empty
|
---|
| 2220 | { $$ = nullptr; }
|
---|
| 2221 | | field_declarator
|
---|
| 2222 | | field_declaring_list_opt ',' attribute_list_opt field_declarator
|
---|
[c0aa336] | 2223 | { $$ = $1->appendList( $4->addQualifiers( $3 ) ); }
|
---|
[4d51835] | 2224 | ;
|
---|
[51b73452] | 2225 |
|
---|
[679e644] | 2226 | field_declarator:
|
---|
[e07caa2] | 2227 | bit_subrange_size // C special case, no field name
|
---|
[4d51835] | 2228 | { $$ = DeclarationNode::newBitfield( $1 ); }
|
---|
| 2229 | | variable_declarator bit_subrange_size_opt
|
---|
[679e644] | 2230 | // A semantic check is required to ensure bit_subrange only appears on integral types.
|
---|
[4d51835] | 2231 | { $$ = $1->addBitfield( $2 ); }
|
---|
[c6b1105] | 2232 | | variable_type_redeclarator bit_subrange_size_opt
|
---|
[679e644] | 2233 | // A semantic check is required to ensure bit_subrange only appears on integral types.
|
---|
[4d51835] | 2234 | { $$ = $1->addBitfield( $2 ); }
|
---|
[679e644] | 2235 | ;
|
---|
| 2236 |
|
---|
[e07caa2] | 2237 | field_abstract_list_opt:
|
---|
| 2238 | // empty
|
---|
[dea36ee] | 2239 | { $$ = nullptr; }
|
---|
[e07caa2] | 2240 | | field_abstract
|
---|
| 2241 | | field_abstract_list_opt ',' attribute_list_opt field_abstract
|
---|
[679e644] | 2242 | { $$ = $1->appendList( $4->addQualifiers( $3 ) ); }
|
---|
| 2243 | ;
|
---|
| 2244 |
|
---|
[e07caa2] | 2245 | field_abstract:
|
---|
[f7e4db27] | 2246 | // no bit fields
|
---|
[e07caa2] | 2247 | variable_abstract_declarator
|
---|
[679e644] | 2248 | ;
|
---|
| 2249 |
|
---|
| 2250 | cfa_field_declaring_list: // CFA, new style field declaration
|
---|
[f7e4db27] | 2251 | // bit-fields are handled by C declarations
|
---|
[033ff37] | 2252 | cfa_abstract_declarator_tuple identifier_or_type_name
|
---|
[679e644] | 2253 | { $$ = $1->addName( $2 ); }
|
---|
[033ff37] | 2254 | | cfa_field_declaring_list ',' identifier_or_type_name
|
---|
[679e644] | 2255 | { $$ = $1->appendList( $1->cloneType( $3 ) ); }
|
---|
| 2256 | ;
|
---|
| 2257 |
|
---|
| 2258 | cfa_field_abstract_list: // CFA, new style field declaration
|
---|
[f7e4db27] | 2259 | // bit-fields are handled by C declarations
|
---|
[679e644] | 2260 | cfa_abstract_declarator_tuple
|
---|
| 2261 | | cfa_field_abstract_list ','
|
---|
| 2262 | { $$ = $1->appendList( $1->cloneType( 0 ) ); }
|
---|
[4d51835] | 2263 | ;
|
---|
[51b73452] | 2264 |
|
---|
| 2265 | bit_subrange_size_opt:
|
---|
[4d51835] | 2266 | // empty
|
---|
[58dd019] | 2267 | { $$ = nullptr; }
|
---|
[4d51835] | 2268 | | bit_subrange_size
|
---|
| 2269 | ;
|
---|
[51b73452] | 2270 |
|
---|
| 2271 | bit_subrange_size:
|
---|
[c786e1d] | 2272 | ':' assignment_expression
|
---|
[4d51835] | 2273 | { $$ = $2; }
|
---|
| 2274 | ;
|
---|
[51b73452] | 2275 |
|
---|
[d0ffed1] | 2276 | enum_type: // enum
|
---|
[f9c3100] | 2277 | ENUM attribute_list_opt '{' enumerator_list comma_opt '}'
|
---|
[3d7e53b] | 2278 | { $$ = DeclarationNode::newEnum( nullptr, $4, true )->addQualifiers( $2 ); }
|
---|
[f9c3100] | 2279 | | ENUM attribute_list_opt identifier
|
---|
[d0ffed1] | 2280 | { typedefTable.makeTypedef( *$3 ); }
|
---|
| 2281 | '{' enumerator_list comma_opt '}'
|
---|
| 2282 | { $$ = DeclarationNode::newEnum( $3, $6, true )->addQualifiers( $2 ); }
|
---|
[f9c3100] | 2283 | | ENUM attribute_list_opt typedef_name // unqualified type name
|
---|
[407bde5] | 2284 | '{' enumerator_list comma_opt '}'
|
---|
[408ab79] | 2285 | { $$ = DeclarationNode::newEnum( $3->name, $5, true )->addQualifiers( $2 ); }
|
---|
[f9c3100] | 2286 | | ENUM '(' cfa_abstract_parameter_declaration ')' attribute_list_opt '{' enumerator_list comma_opt '}'
|
---|
[8bea701] | 2287 | {
|
---|
[98337569] | 2288 | if ( $3->storageClasses.val != 0 || $3->type->qualifiers.val != 0 ) { SemanticError( yylloc, "storage-class and CV qualifiers are not meaningful for enumeration constants, which are const." ); }
|
---|
[8bea701] | 2289 | SemanticError( yylloc, "Typed enumeration is currently unimplemented." ); $$ = nullptr;
|
---|
| 2290 | }
|
---|
| 2291 | | ENUM '(' cfa_abstract_parameter_declaration ')' attribute_list_opt identifier attribute_list_opt
|
---|
| 2292 | {
|
---|
[98337569] | 2293 | if ( $3->storageClasses.val != 0 || $3->type->qualifiers.val != 0 ) { SemanticError( yylloc, "storage-class and CV qualifiers are not meaningful for enumeration constants, which are const." ); }
|
---|
[8bea701] | 2294 | typedefTable.makeTypedef( *$6 );
|
---|
| 2295 | }
|
---|
| 2296 | '{' enumerator_list comma_opt '}'
|
---|
| 2297 | {
|
---|
| 2298 | SemanticError( yylloc, "Typed enumeration is currently unimplemented." ); $$ = nullptr;
|
---|
| 2299 | }
|
---|
[f9c3100] | 2300 | | ENUM '(' cfa_abstract_parameter_declaration ')' attribute_list_opt typedef_name attribute_list_opt '{' enumerator_list comma_opt '}'
|
---|
[8bea701] | 2301 | {
|
---|
[98337569] | 2302 | if ( $3->storageClasses.val != 0 || $3->type->qualifiers.val != 0 ) { SemanticError( yylloc, "storage-class and CV qualifiers are not meaningful for enumeration constants, which are const." ); }
|
---|
[8bea701] | 2303 | typedefTable.makeTypedef( *$6->name );
|
---|
| 2304 | SemanticError( yylloc, "Typed enumeration is currently unimplemented." ); $$ = nullptr;
|
---|
| 2305 | }
|
---|
[d0ffed1] | 2306 | | enum_type_nobody
|
---|
| 2307 | ;
|
---|
| 2308 |
|
---|
| 2309 | enum_type_nobody: // enum - {...}
|
---|
[f9c3100] | 2310 | ENUM attribute_list_opt identifier
|
---|
| 2311 | { typedefTable.makeTypedef( *$3 ); $$ = DeclarationNode::newEnum( $3, 0, false )->addQualifiers( $2 ); }
|
---|
| 2312 | | ENUM attribute_list_opt type_name // qualified type name
|
---|
| 2313 | { typedefTable.makeTypedef( *$3->type->symbolic.name ); $$ = DeclarationNode::newEnum( $3->type->symbolic.name, 0, false )->addQualifiers( $2 ); }
|
---|
[4d51835] | 2314 | ;
|
---|
[51b73452] | 2315 |
|
---|
| 2316 | enumerator_list:
|
---|
[033ff37] | 2317 | identifier_or_type_name enumerator_value_opt
|
---|
[4d51835] | 2318 | { $$ = DeclarationNode::newEnumConstant( $1, $2 ); }
|
---|
[f9c3100] | 2319 | | INLINE type_name
|
---|
| 2320 | { $$ = DeclarationNode::newEnumConstant( new string("inline"), nullptr ); }
|
---|
[033ff37] | 2321 | | enumerator_list ',' identifier_or_type_name enumerator_value_opt
|
---|
[4d51835] | 2322 | { $$ = $1->appendList( DeclarationNode::newEnumConstant( $3, $4 ) ); }
|
---|
[f9c3100] | 2323 | | enumerator_list ',' INLINE type_name enumerator_value_opt
|
---|
| 2324 | { $$ = $1->appendList( DeclarationNode::newEnumConstant( new string("inline"), nullptr ) ); }
|
---|
[4d51835] | 2325 | ;
|
---|
[51b73452] | 2326 |
|
---|
| 2327 | enumerator_value_opt:
|
---|
[4d51835] | 2328 | // empty
|
---|
[58dd019] | 2329 | { $$ = nullptr; }
|
---|
[408ab79] | 2330 | // | '=' constant_expression
|
---|
| 2331 | // { $$ = $2; }
|
---|
[f9c3100] | 2332 | | simple_assignment_operator initializer
|
---|
[408ab79] | 2333 | { $$ = $2->get_expression(); } // FIX ME: enum only deals with constant_expression
|
---|
[4d51835] | 2334 | ;
|
---|
[51b73452] | 2335 |
|
---|
[5a51798] | 2336 | cfa_parameter_ellipsis_list_opt: // CFA, abstract + real
|
---|
[4d51835] | 2337 | // empty
|
---|
[2a8427c6] | 2338 | { $$ = DeclarationNode::newBasicType( DeclarationNode::Void ); }
|
---|
| 2339 | | ELLIPSIS
|
---|
[58dd019] | 2340 | { $$ = nullptr; }
|
---|
[2a8427c6] | 2341 | | cfa_abstract_parameter_list
|
---|
[c0aa336] | 2342 | | cfa_parameter_list
|
---|
[c0a33d2] | 2343 | | cfa_parameter_list pop ',' push cfa_abstract_parameter_list
|
---|
| 2344 | { $$ = $1->appendList( $5 ); }
|
---|
| 2345 | | cfa_abstract_parameter_list pop ',' push ELLIPSIS
|
---|
[4d51835] | 2346 | { $$ = $1->addVarArgs(); }
|
---|
[c0a33d2] | 2347 | | cfa_parameter_list pop ',' push ELLIPSIS
|
---|
[4d51835] | 2348 | { $$ = $1->addVarArgs(); }
|
---|
| 2349 | ;
|
---|
[b87a5ed] | 2350 |
|
---|
[c0aa336] | 2351 | cfa_parameter_list: // CFA
|
---|
| 2352 | // To obtain LR(1) between cfa_parameter_list and cfa_abstract_tuple, the last cfa_abstract_parameter_list is
|
---|
| 2353 | // factored out from cfa_parameter_list, flattening the rules to get lookahead to the ']'.
|
---|
| 2354 | cfa_parameter_declaration
|
---|
[c0a33d2] | 2355 | | cfa_abstract_parameter_list pop ',' push cfa_parameter_declaration
|
---|
| 2356 | { $$ = $1->appendList( $5 ); }
|
---|
| 2357 | | cfa_parameter_list pop ',' push cfa_parameter_declaration
|
---|
| 2358 | { $$ = $1->appendList( $5 ); }
|
---|
| 2359 | | cfa_parameter_list pop ',' push cfa_abstract_parameter_list pop ',' push cfa_parameter_declaration
|
---|
| 2360 | { $$ = $1->appendList( $5 )->appendList( $9 ); }
|
---|
[4d51835] | 2361 | ;
|
---|
[b87a5ed] | 2362 |
|
---|
[c0aa336] | 2363 | cfa_abstract_parameter_list: // CFA, new & old style abstract
|
---|
| 2364 | cfa_abstract_parameter_declaration
|
---|
[c0a33d2] | 2365 | | cfa_abstract_parameter_list pop ',' push cfa_abstract_parameter_declaration
|
---|
| 2366 | { $$ = $1->appendList( $5 ); }
|
---|
[4d51835] | 2367 | ;
|
---|
[51b73452] | 2368 |
|
---|
| 2369 | parameter_type_list_opt:
|
---|
[4d51835] | 2370 | // empty
|
---|
[58dd019] | 2371 | { $$ = nullptr; }
|
---|
[2a8427c6] | 2372 | | ELLIPSIS
|
---|
| 2373 | { $$ = nullptr; }
|
---|
| 2374 | | parameter_list
|
---|
[4d51835] | 2375 | | parameter_list pop ',' push ELLIPSIS
|
---|
| 2376 | { $$ = $1->addVarArgs(); }
|
---|
| 2377 | ;
|
---|
[b87a5ed] | 2378 |
|
---|
| 2379 | parameter_list: // abstract + real
|
---|
[4d51835] | 2380 | abstract_parameter_declaration
|
---|
| 2381 | | parameter_declaration
|
---|
| 2382 | | parameter_list pop ',' push abstract_parameter_declaration
|
---|
| 2383 | { $$ = $1->appendList( $5 ); }
|
---|
| 2384 | | parameter_list pop ',' push parameter_declaration
|
---|
| 2385 | { $$ = $1->appendList( $5 ); }
|
---|
| 2386 | ;
|
---|
[51b73452] | 2387 |
|
---|
[de62360d] | 2388 | // Provides optional identifier names (abstract_declarator/variable_declarator), no initialization, different semantics
|
---|
[2871210] | 2389 | // for typedef name by using type_parameter_redeclarator instead of typedef_redeclarator, and function prototypes.
|
---|
[51b73452] | 2390 |
|
---|
[c0aa336] | 2391 | cfa_parameter_declaration: // CFA, new & old style parameter declaration
|
---|
[4d51835] | 2392 | parameter_declaration
|
---|
[5a51798] | 2393 | | cfa_identifier_parameter_declarator_no_tuple identifier_or_type_name default_initializer_opt
|
---|
[4d51835] | 2394 | { $$ = $1->addName( $2 ); }
|
---|
[5a51798] | 2395 | | cfa_abstract_tuple identifier_or_type_name default_initializer_opt
|
---|
[c0aa336] | 2396 | // To obtain LR(1), these rules must be duplicated here (see cfa_abstract_declarator).
|
---|
[4d51835] | 2397 | { $$ = $1->addName( $2 ); }
|
---|
[5a51798] | 2398 | | type_qualifier_list cfa_abstract_tuple identifier_or_type_name default_initializer_opt
|
---|
[4d51835] | 2399 | { $$ = $2->addName( $3 )->addQualifiers( $1 ); }
|
---|
[c0aa336] | 2400 | | cfa_function_specifier
|
---|
[4d51835] | 2401 | ;
|
---|
[b87a5ed] | 2402 |
|
---|
[c0aa336] | 2403 | cfa_abstract_parameter_declaration: // CFA, new & old style parameter declaration
|
---|
[4d51835] | 2404 | abstract_parameter_declaration
|
---|
[c0aa336] | 2405 | | cfa_identifier_parameter_declarator_no_tuple
|
---|
| 2406 | | cfa_abstract_tuple
|
---|
| 2407 | // To obtain LR(1), these rules must be duplicated here (see cfa_abstract_declarator).
|
---|
| 2408 | | type_qualifier_list cfa_abstract_tuple
|
---|
[4d51835] | 2409 | { $$ = $2->addQualifiers( $1 ); }
|
---|
[c0aa336] | 2410 | | cfa_abstract_function
|
---|
[4d51835] | 2411 | ;
|
---|
[51b73452] | 2412 |
|
---|
| 2413 | parameter_declaration:
|
---|
[d0ffed1] | 2414 | // No SUE declaration in parameter list.
|
---|
[5a51798] | 2415 | declaration_specifier_nobody identifier_parameter_declarator default_initializer_opt
|
---|
[7fdb94e1] | 2416 | { $$ = $2->addType( $1 )->addInitializer( $3 ? new InitializerNode( $3 ) : nullptr ); }
|
---|
[5a51798] | 2417 | | declaration_specifier_nobody type_parameter_redeclarator default_initializer_opt
|
---|
[7fdb94e1] | 2418 | { $$ = $2->addType( $1 )->addInitializer( $3 ? new InitializerNode( $3 ) : nullptr ); }
|
---|
[4d51835] | 2419 | ;
|
---|
[51b73452] | 2420 |
|
---|
| 2421 | abstract_parameter_declaration:
|
---|
[5a51798] | 2422 | declaration_specifier_nobody default_initializer_opt
|
---|
[e7cc8cb] | 2423 | { $$ = $1->addInitializer( $2 ? new InitializerNode( $2 ) : nullptr ); }
|
---|
[5a51798] | 2424 | | declaration_specifier_nobody abstract_parameter_declarator default_initializer_opt
|
---|
[e7cc8cb] | 2425 | { $$ = $2->addType( $1 )->addInitializer( $3 ? new InitializerNode( $3 ) : nullptr ); }
|
---|
[4d51835] | 2426 | ;
|
---|
[51b73452] | 2427 |
|
---|
[c11e31c] | 2428 | // ISO/IEC 9899:1999 Section 6.9.1(6) : "An identifier declared as a typedef name shall not be redeclared as a
|
---|
[de62360d] | 2429 | // parameter." Because the scope of the K&R-style parameter-list sees the typedef first, the following is based only on
|
---|
| 2430 | // identifiers. The ANSI-style parameter-list can redefine a typedef name.
|
---|
[51b73452] | 2431 |
|
---|
[b87a5ed] | 2432 | identifier_list: // K&R-style parameter list => no types
|
---|
[033ff37] | 2433 | identifier
|
---|
[4d51835] | 2434 | { $$ = DeclarationNode::newName( $1 ); }
|
---|
[033ff37] | 2435 | | identifier_list ',' identifier
|
---|
[4d51835] | 2436 | { $$ = $1->appendList( DeclarationNode::newName( $3 ) ); }
|
---|
| 2437 | ;
|
---|
[51b73452] | 2438 |
|
---|
[2871210] | 2439 | identifier_or_type_name:
|
---|
[4d51835] | 2440 | identifier
|
---|
| 2441 | | TYPEDEFname
|
---|
| 2442 | | TYPEGENname
|
---|
| 2443 | ;
|
---|
[51b73452] | 2444 |
|
---|
[84d58c5] | 2445 | type_no_function: // sizeof, alignof, cast (constructor)
|
---|
[c0aa336] | 2446 | cfa_abstract_declarator_tuple // CFA
|
---|
[4d51835] | 2447 | | type_specifier
|
---|
[c0aa336] | 2448 | | type_specifier abstract_declarator
|
---|
[4d51835] | 2449 | { $$ = $2->addType( $1 ); }
|
---|
| 2450 | ;
|
---|
[b87a5ed] | 2451 |
|
---|
[84d58c5] | 2452 | type: // typeof, assertion
|
---|
| 2453 | type_no_function
|
---|
[c0aa336] | 2454 | | cfa_abstract_function // CFA
|
---|
[4d51835] | 2455 | ;
|
---|
[51b73452] | 2456 |
|
---|
| 2457 | initializer_opt:
|
---|
[4d51835] | 2458 | // empty
|
---|
[58dd019] | 2459 | { $$ = nullptr; }
|
---|
[f9c3100] | 2460 | | simple_assignment_operator initializer { $$ = $1 == OperKinds::Assign ? $2 : $2->set_maybeConstructed( false ); }
|
---|
| 2461 | | '=' VOID { $$ = new InitializerNode( true ); }
|
---|
[63b3279e] | 2462 | | '{' initializer_list_opt comma_opt '}' { $$ = new InitializerNode( $2, true ); }
|
---|
[4d51835] | 2463 | ;
|
---|
[51b73452] | 2464 |
|
---|
| 2465 | initializer:
|
---|
[de62360d] | 2466 | assignment_expression { $$ = new InitializerNode( $1 ); }
|
---|
[7fdb94e1] | 2467 | | '{' initializer_list_opt comma_opt '}' { $$ = new InitializerNode( $2, true ); }
|
---|
[4d51835] | 2468 | ;
|
---|
[51b73452] | 2469 |
|
---|
[7fdb94e1] | 2470 | initializer_list_opt:
|
---|
[097e2b0] | 2471 | // empty
|
---|
[58dd019] | 2472 | { $$ = nullptr; }
|
---|
[097e2b0] | 2473 | | initializer
|
---|
[4d51835] | 2474 | | designation initializer { $$ = $2->set_designators( $1 ); }
|
---|
[7fdb94e1] | 2475 | | initializer_list_opt ',' initializer { $$ = (InitializerNode *)( $1->set_last( $3 ) ); }
|
---|
[63b3279e] | 2476 | | initializer_list_opt ',' designation initializer { $$ = (InitializerNode *)($1->set_last( $4->set_designators( $3 ) )); }
|
---|
[4d51835] | 2477 | ;
|
---|
[b87a5ed] | 2478 |
|
---|
[de62360d] | 2479 | // There is an unreconcileable parsing problem between C99 and CFA with respect to designators. The problem is use of
|
---|
| 2480 | // '=' to separator the designator from the initializer value, as in:
|
---|
[c11e31c] | 2481 | //
|
---|
[b87a5ed] | 2482 | // int x[10] = { [1] = 3 };
|
---|
[c11e31c] | 2483 | //
|
---|
[de62360d] | 2484 | // The string "[1] = 3" can be parsed as a designator assignment or a tuple assignment. To disambiguate this case, CFA
|
---|
| 2485 | // changes the syntax from "=" to ":" as the separator between the designator and initializer. GCC does uses ":" for
|
---|
| 2486 | // field selection. The optional use of the "=" in GCC, or in this case ":", cannot be supported either due to
|
---|
| 2487 | // shift/reduce conflicts
|
---|
[51b73452] | 2488 |
|
---|
| 2489 | designation:
|
---|
[4d51835] | 2490 | designator_list ':' // C99, CFA uses ":" instead of "="
|
---|
[e16eb460] | 2491 | | identifier_at ':' // GCC, field name
|
---|
[d1625f8] | 2492 | { $$ = new ExpressionNode( build_varref( $1 ) ); }
|
---|
[4d51835] | 2493 | ;
|
---|
[51b73452] | 2494 |
|
---|
[b87a5ed] | 2495 | designator_list: // C99
|
---|
[4d51835] | 2496 | designator
|
---|
[2871210] | 2497 | | designator_list designator
|
---|
[4a063df] | 2498 | { $$ = (ExpressionNode *)($1->set_last( $2 )); }
|
---|
[d1625f8] | 2499 | //| designator_list designator { $$ = new ExpressionNode( $1, $2 ); }
|
---|
[4d51835] | 2500 | ;
|
---|
[51b73452] | 2501 |
|
---|
| 2502 | designator:
|
---|
[e16eb460] | 2503 | '.' identifier_at // C99, field name
|
---|
[d1625f8] | 2504 | { $$ = new ExpressionNode( build_varref( $2 ) ); }
|
---|
[c0a33d2] | 2505 | | '[' push assignment_expression pop ']' // C99, single array element
|
---|
[de62360d] | 2506 | // assignment_expression used instead of constant_expression because of shift/reduce conflicts with tuple.
|
---|
[d1625f8] | 2507 | { $$ = $3; }
|
---|
[c0a33d2] | 2508 | | '[' push subrange pop ']' // CFA, multiple array elements
|
---|
| 2509 | { $$ = $3; }
|
---|
| 2510 | | '[' push constant_expression ELLIPSIS constant_expression pop ']' // GCC, multiple array elements
|
---|
[408ab79] | 2511 | { $$ = new ExpressionNode( new RangeExpr( maybeMoveBuild<Expression>( $3 ), maybeMoveBuild<Expression>( $5 ) ) ); }
|
---|
[679e644] | 2512 | | '.' '[' push field_name_list pop ']' // CFA, tuple field selector
|
---|
[c0a33d2] | 2513 | { $$ = $4; }
|
---|
[4d51835] | 2514 | ;
|
---|
[51b73452] | 2515 |
|
---|
[de62360d] | 2516 | // The CFA type system is based on parametric polymorphism, the ability to declare functions with type parameters,
|
---|
| 2517 | // rather than an object-oriented type system. This required four groups of extensions:
|
---|
[c11e31c] | 2518 | //
|
---|
| 2519 | // Overloading: function, data, and operator identifiers may be overloaded.
|
---|
| 2520 | //
|
---|
[3ca7ef3] | 2521 | // Type declarations: "otype" is used to generate new types for declaring objects. Similarly, "dtype" is used for object
|
---|
[de62360d] | 2522 | // and incomplete types, and "ftype" is used for function types. Type declarations with initializers provide
|
---|
| 2523 | // definitions of new types. Type declarations with storage class "extern" provide opaque types.
|
---|
[c11e31c] | 2524 | //
|
---|
[de62360d] | 2525 | // Polymorphic functions: A forall clause declares a type parameter. The corresponding argument is inferred at the call
|
---|
| 2526 | // site. A polymorphic function is not a template; it is a function, with an address and a type.
|
---|
[c11e31c] | 2527 | //
|
---|
| 2528 | // Specifications and Assertions: Specifications are collections of declarations parameterized by one or more
|
---|
[de62360d] | 2529 | // types. They serve many of the purposes of abstract classes, and specification hierarchies resemble subclass
|
---|
| 2530 | // hierarchies. Unlike classes, they can define relationships between types. Assertions declare that a type or
|
---|
| 2531 | // types provide the operations declared by a specification. Assertions are normally used to declare requirements
|
---|
| 2532 | // on type arguments of polymorphic functions.
|
---|
[c11e31c] | 2533 |
|
---|
[b87a5ed] | 2534 | type_parameter_list: // CFA
|
---|
[67cf18c] | 2535 | type_parameter
|
---|
| 2536 | | type_parameter_list ',' type_parameter
|
---|
[4d51835] | 2537 | { $$ = $1->appendList( $3 ); }
|
---|
| 2538 | ;
|
---|
[b87a5ed] | 2539 |
|
---|
[84d58c5] | 2540 | type_initializer_opt: // CFA
|
---|
| 2541 | // empty
|
---|
| 2542 | { $$ = nullptr; }
|
---|
| 2543 | | '=' type
|
---|
| 2544 | { $$ = $2; }
|
---|
| 2545 | ;
|
---|
| 2546 |
|
---|
[b87a5ed] | 2547 | type_parameter: // CFA
|
---|
[033ff37] | 2548 | type_class identifier_or_type_name
|
---|
[408ab79] | 2549 | {
|
---|
| 2550 | typedefTable.addToScope( *$2, TYPEDEFname, "9" );
|
---|
[ec3f9c8] | 2551 | if ( $1 == TypeDecl::Otype ) { SemanticError( yylloc, "otype keyword is deprecated, use T " ); }
|
---|
| 2552 | if ( $1 == TypeDecl::Dtype ) { SemanticError( yylloc, "dtype keyword is deprecated, use T &" ); }
|
---|
| 2553 | if ( $1 == TypeDecl::Ttype ) { SemanticError( yylloc, "ttype keyword is deprecated, use T ..." ); }
|
---|
[fd54fef] | 2554 | }
|
---|
[5a51798] | 2555 | type_initializer_opt assertion_list_opt
|
---|
[67cf18c] | 2556 | { $$ = DeclarationNode::newTypeParam( $1, $2 )->addTypeInitializer( $4 )->addAssertions( $5 ); }
|
---|
[5a51798] | 2557 | | identifier_or_type_name new_type_class
|
---|
| 2558 | { typedefTable.addToScope( *$1, TYPEDEFname, "9" ); }
|
---|
| 2559 | type_initializer_opt assertion_list_opt
|
---|
| 2560 | { $$ = DeclarationNode::newTypeParam( $2, $1 )->addTypeInitializer( $4 )->addAssertions( $5 ); }
|
---|
| 2561 | | '[' identifier_or_type_name ']'
|
---|
[b66d14a] | 2562 | {
|
---|
[6e50a6b] | 2563 | typedefTable.addToScope( *$2, TYPEDIMname, "9" );
|
---|
| 2564 | $$ = DeclarationNode::newTypeParam( TypeDecl::Dimension, $2 );
|
---|
[b66d14a] | 2565 | }
|
---|
[5a51798] | 2566 | // | type_specifier identifier_parameter_declarator
|
---|
[9997fee] | 2567 | | assertion_list
|
---|
[07de76b] | 2568 | { $$ = DeclarationNode::newTypeParam( TypeDecl::Dtype, new string( DeclarationNode::anonymous.newName() ) )->addAssertions( $1 ); }
|
---|
[4d51835] | 2569 | ;
|
---|
[b87a5ed] | 2570 |
|
---|
[5a51798] | 2571 | new_type_class: // CFA
|
---|
| 2572 | // empty
|
---|
| 2573 | { $$ = TypeDecl::Otype; }
|
---|
| 2574 | | '&'
|
---|
| 2575 | { $$ = TypeDecl::Dtype; }
|
---|
| 2576 | | '*'
|
---|
[b66d14a] | 2577 | { $$ = TypeDecl::DStype; } // dtype + sized
|
---|
[2ac218d] | 2578 | // | '(' '*' ')'
|
---|
| 2579 | // { $$ = TypeDecl::Ftype; }
|
---|
[5a51798] | 2580 | | ELLIPSIS
|
---|
| 2581 | { $$ = TypeDecl::Ttype; }
|
---|
| 2582 | ;
|
---|
| 2583 |
|
---|
[b87a5ed] | 2584 | type_class: // CFA
|
---|
[4040425] | 2585 | OTYPE
|
---|
[07de76b] | 2586 | { $$ = TypeDecl::Otype; }
|
---|
[4d51835] | 2587 | | DTYPE
|
---|
[07de76b] | 2588 | { $$ = TypeDecl::Dtype; }
|
---|
[8f60f0b] | 2589 | | FTYPE
|
---|
[07de76b] | 2590 | { $$ = TypeDecl::Ftype; }
|
---|
[8f60f0b] | 2591 | | TTYPE
|
---|
[07de76b] | 2592 | { $$ = TypeDecl::Ttype; }
|
---|
[4d51835] | 2593 | ;
|
---|
[b87a5ed] | 2594 |
|
---|
| 2595 | assertion_list_opt: // CFA
|
---|
[4d51835] | 2596 | // empty
|
---|
[58dd019] | 2597 | { $$ = nullptr; }
|
---|
[9997fee] | 2598 | | assertion_list
|
---|
| 2599 | ;
|
---|
| 2600 |
|
---|
| 2601 | assertion_list: // CFA
|
---|
| 2602 | assertion
|
---|
| 2603 | | assertion_list assertion
|
---|
[3ca7ef3] | 2604 | { $$ = $1->appendList( $2 ); }
|
---|
[4d51835] | 2605 | ;
|
---|
[b87a5ed] | 2606 |
|
---|
| 2607 | assertion: // CFA
|
---|
[033ff37] | 2608 | '|' identifier_or_type_name '(' type_list ')'
|
---|
[7fdb94e1] | 2609 | { $$ = DeclarationNode::newTraitUse( $2, $4 ); }
|
---|
[13e8427] | 2610 | | '|' '{' push trait_declaration_list pop '}'
|
---|
[4d51835] | 2611 | { $$ = $4; }
|
---|
[35718a9] | 2612 | // | '|' '(' push type_parameter_list pop ')' '{' push trait_declaration_list pop '}' '(' type_list ')'
|
---|
| 2613 | // { SemanticError( yylloc, "Generic data-type assertion is currently unimplemented." ); $$ = nullptr; }
|
---|
[4d51835] | 2614 | ;
|
---|
[b87a5ed] | 2615 |
|
---|
[84d58c5] | 2616 | type_list: // CFA
|
---|
| 2617 | type
|
---|
[513e165] | 2618 | { $$ = new ExpressionNode( new TypeExpr( maybeMoveBuildType( $1 ) ) ); }
|
---|
[4d51835] | 2619 | | assignment_expression
|
---|
[84d58c5] | 2620 | | type_list ',' type
|
---|
[4a063df] | 2621 | { $$ = (ExpressionNode *)($1->set_last( new ExpressionNode( new TypeExpr( maybeMoveBuildType( $3 ) ) ) )); }
|
---|
[84d58c5] | 2622 | | type_list ',' assignment_expression
|
---|
[6e50a6b] | 2623 | { $$ = (ExpressionNode *)( $1->set_last( $3 )); }
|
---|
[4d51835] | 2624 | ;
|
---|
[b87a5ed] | 2625 |
|
---|
| 2626 | type_declaring_list: // CFA
|
---|
[4040425] | 2627 | OTYPE type_declarator
|
---|
[4d51835] | 2628 | { $$ = $2; }
|
---|
[4040425] | 2629 | | storage_class_list OTYPE type_declarator
|
---|
[4d51835] | 2630 | { $$ = $3->addQualifiers( $1 ); }
|
---|
| 2631 | | type_declaring_list ',' type_declarator
|
---|
[a7c90d4] | 2632 | { $$ = $1->appendList( $3->copySpecifiers( $1 ) ); }
|
---|
[4d51835] | 2633 | ;
|
---|
[b87a5ed] | 2634 |
|
---|
| 2635 | type_declarator: // CFA
|
---|
[4d51835] | 2636 | type_declarator_name assertion_list_opt
|
---|
| 2637 | { $$ = $1->addAssertions( $2 ); }
|
---|
[84d58c5] | 2638 | | type_declarator_name assertion_list_opt '=' type
|
---|
[4d51835] | 2639 | { $$ = $1->addAssertions( $2 )->addType( $4 ); }
|
---|
| 2640 | ;
|
---|
[b87a5ed] | 2641 |
|
---|
| 2642 | type_declarator_name: // CFA
|
---|
[033ff37] | 2643 | identifier_or_type_name
|
---|
[4d51835] | 2644 | {
|
---|
[ecae5860] | 2645 | typedefTable.addToEnclosingScope( *$1, TYPEDEFname, "10" );
|
---|
[4d51835] | 2646 | $$ = DeclarationNode::newTypeDecl( $1, 0 );
|
---|
| 2647 | }
|
---|
[033ff37] | 2648 | | identifier_or_type_name '(' type_parameter_list ')'
|
---|
[4d51835] | 2649 | {
|
---|
[ecae5860] | 2650 | typedefTable.addToEnclosingScope( *$1, TYPEGENname, "11" );
|
---|
[35718a9] | 2651 | $$ = DeclarationNode::newTypeDecl( $1, $3 );
|
---|
[4d51835] | 2652 | }
|
---|
| 2653 | ;
|
---|
[b87a5ed] | 2654 |
|
---|
[4040425] | 2655 | trait_specifier: // CFA
|
---|
[033ff37] | 2656 | TRAIT identifier_or_type_name '(' type_parameter_list ')' '{' '}'
|
---|
[35718a9] | 2657 | { $$ = DeclarationNode::newTrait( $2, $4, 0 ); }
|
---|
[033ff37] | 2658 | | TRAIT identifier_or_type_name '(' type_parameter_list ')' '{' push trait_declaration_list pop '}'
|
---|
[35718a9] | 2659 | { $$ = DeclarationNode::newTrait( $2, $4, $8 ); }
|
---|
[4d51835] | 2660 | ;
|
---|
[b87a5ed] | 2661 |
|
---|
[84d58c5] | 2662 | trait_declaration_list: // CFA
|
---|
[4040425] | 2663 | trait_declaration
|
---|
[13e8427] | 2664 | | trait_declaration_list pop push trait_declaration
|
---|
| 2665 | { $$ = $1->appendList( $4 ); }
|
---|
[4d51835] | 2666 | ;
|
---|
[b87a5ed] | 2667 |
|
---|
[84d58c5] | 2668 | trait_declaration: // CFA
|
---|
[13e8427] | 2669 | cfa_trait_declaring_list ';'
|
---|
| 2670 | | trait_declaring_list ';'
|
---|
[4d51835] | 2671 | ;
|
---|
[b87a5ed] | 2672 |
|
---|
[c0aa336] | 2673 | cfa_trait_declaring_list: // CFA
|
---|
| 2674 | cfa_variable_specifier
|
---|
| 2675 | | cfa_function_specifier
|
---|
| 2676 | | cfa_trait_declaring_list pop ',' push identifier_or_type_name
|
---|
[7fdb94e1] | 2677 | { $$ = $1->appendList( $1->cloneType( $5 ) ); }
|
---|
[4d51835] | 2678 | ;
|
---|
[b87a5ed] | 2679 |
|
---|
[4040425] | 2680 | trait_declaring_list: // CFA
|
---|
[4d51835] | 2681 | type_specifier declarator
|
---|
[7fdb94e1] | 2682 | { $$ = $2->addType( $1 ); }
|
---|
[4040425] | 2683 | | trait_declaring_list pop ',' push declarator
|
---|
[7fdb94e1] | 2684 | { $$ = $1->appendList( $1->cloneBaseType( $5 ) ); }
|
---|
[4d51835] | 2685 | ;
|
---|
[51b73452] | 2686 |
|
---|
[c11e31c] | 2687 | //***************************** EXTERNAL DEFINITIONS *****************************
|
---|
[51b73452] | 2688 |
|
---|
| 2689 | translation_unit:
|
---|
[3d56d15b] | 2690 | // empty, input file
|
---|
[4d51835] | 2691 | | external_definition_list
|
---|
[a7741435] | 2692 | { parseTree = parseTree ? parseTree->appendList( $1 ) : $1; }
|
---|
[4d51835] | 2693 | ;
|
---|
[51b73452] | 2694 |
|
---|
| 2695 | external_definition_list:
|
---|
[35718a9] | 2696 | push external_definition pop
|
---|
| 2697 | { $$ = $2; }
|
---|
[fc20514] | 2698 | | external_definition_list push external_definition pop
|
---|
| 2699 | { $$ = $1 ? $1->appendList( $3 ) : $3; }
|
---|
[4d51835] | 2700 | ;
|
---|
[51b73452] | 2701 |
|
---|
| 2702 | external_definition_list_opt:
|
---|
[4d51835] | 2703 | // empty
|
---|
[58dd019] | 2704 | { $$ = nullptr; }
|
---|
[3d56d15b] | 2705 | | external_definition_list
|
---|
| 2706 | ;
|
---|
| 2707 |
|
---|
| 2708 | up:
|
---|
[fc20514] | 2709 | { typedefTable.up( forall ); forall = false; }
|
---|
[3d56d15b] | 2710 | ;
|
---|
| 2711 |
|
---|
| 2712 | down:
|
---|
| 2713 | { typedefTable.down(); }
|
---|
[4d51835] | 2714 | ;
|
---|
[51b73452] | 2715 |
|
---|
| 2716 | external_definition:
|
---|
[2d019af] | 2717 | DIRECTIVE
|
---|
| 2718 | { $$ = DeclarationNode::newDirectiveStmt( new StatementNode( build_directive( $1 ) ) ); }
|
---|
| 2719 | | declaration
|
---|
[4d51835] | 2720 | | external_function_definition
|
---|
[ecae5860] | 2721 | | EXTENSION external_definition // GCC, multiple __extension__ allowed, meaning unknown
|
---|
| 2722 | {
|
---|
| 2723 | distExt( $2 ); // mark all fields in list
|
---|
| 2724 | $$ = $2;
|
---|
| 2725 | }
|
---|
[e994912] | 2726 | | ASM '(' string_literal ')' ';' // GCC, global assembler statement
|
---|
[5e25953] | 2727 | { $$ = DeclarationNode::newAsmStmt( new StatementNode( build_asm( false, $3, 0 ) ) ); }
|
---|
[aac37fa] | 2728 | | EXTERN STRINGliteral
|
---|
| 2729 | {
|
---|
| 2730 | linkageStack.push( linkage ); // handle nested extern "C"/"Cforall"
|
---|
| 2731 | linkage = LinkageSpec::update( yylloc, linkage, $2 );
|
---|
| 2732 | }
|
---|
| 2733 | up external_definition down
|
---|
| 2734 | {
|
---|
| 2735 | linkage = linkageStack.top();
|
---|
| 2736 | linkageStack.pop();
|
---|
| 2737 | $$ = $5;
|
---|
| 2738 | }
|
---|
[c0aa336] | 2739 | | EXTERN STRINGliteral // C++-style linkage specifier
|
---|
[4d51835] | 2740 | {
|
---|
[3b8e52c] | 2741 | linkageStack.push( linkage ); // handle nested extern "C"/"Cforall"
|
---|
[d912bed] | 2742 | linkage = LinkageSpec::update( yylloc, linkage, $2 );
|
---|
[4d51835] | 2743 | }
|
---|
[3d56d15b] | 2744 | '{' up external_definition_list_opt down '}'
|
---|
[4d51835] | 2745 | {
|
---|
| 2746 | linkage = linkageStack.top();
|
---|
| 2747 | linkageStack.pop();
|
---|
[3d56d15b] | 2748 | $$ = $6;
|
---|
[8e9cbb2] | 2749 | }
|
---|
[9997fee] | 2750 | | type_qualifier_list
|
---|
| 2751 | {
|
---|
[3d56d15b] | 2752 | if ( $1->type->qualifiers.val ) { SemanticError( yylloc, "CV qualifiers cannot be distributed; only storage-class and forall qualifiers." ); }
|
---|
[fc20514] | 2753 | if ( $1->type->forall ) forall = true; // remember generic type
|
---|
[3d56d15b] | 2754 | }
|
---|
| 2755 | '{' up external_definition_list_opt down '}' // CFA, namespace
|
---|
| 2756 | {
|
---|
[4c3ee8d] | 2757 | distQual( $5, $1 );
|
---|
[fc20514] | 2758 | forall = false;
|
---|
[3d56d15b] | 2759 | $$ = $5;
|
---|
[9997fee] | 2760 | }
|
---|
| 2761 | | declaration_qualifier_list
|
---|
| 2762 | {
|
---|
[4c3ee8d] | 2763 | if ( $1->type && $1->type->qualifiers.val ) { SemanticError( yylloc, "CV qualifiers cannot be distributed; only storage-class and forall qualifiers." ); }
|
---|
[fc20514] | 2764 | if ( $1->type && $1->type->forall ) forall = true; // remember generic type
|
---|
[3d56d15b] | 2765 | }
|
---|
| 2766 | '{' up external_definition_list_opt down '}' // CFA, namespace
|
---|
| 2767 | {
|
---|
[4c3ee8d] | 2768 | distQual( $5, $1 );
|
---|
[fc20514] | 2769 | forall = false;
|
---|
[3d56d15b] | 2770 | $$ = $5;
|
---|
[9997fee] | 2771 | }
|
---|
| 2772 | | declaration_qualifier_list type_qualifier_list
|
---|
| 2773 | {
|
---|
[3d56d15b] | 2774 | if ( ($1->type && $1->type->qualifiers.val) || $2->type->qualifiers.val ) { SemanticError( yylloc, "CV qualifiers cannot be distributed; only storage-class and forall qualifiers." ); }
|
---|
[fc20514] | 2775 | if ( ($1->type && $1->type->forall) || $2->type->forall ) forall = true; // remember generic type
|
---|
[9997fee] | 2776 | }
|
---|
[3d56d15b] | 2777 | '{' up external_definition_list_opt down '}' // CFA, namespace
|
---|
[9997fee] | 2778 | {
|
---|
[284da8c] | 2779 | distQual( $6, $1->addQualifiers( $2 ) );
|
---|
[fc20514] | 2780 | forall = false;
|
---|
[3d56d15b] | 2781 | $$ = $6;
|
---|
[9997fee] | 2782 | }
|
---|
[4d51835] | 2783 | ;
|
---|
| 2784 |
|
---|
| 2785 | external_function_definition:
|
---|
| 2786 | function_definition
|
---|
[de62360d] | 2787 | // These rules are a concession to the "implicit int" type_specifier because there is a significant amount of
|
---|
[c6b1105] | 2788 | // legacy code with global functions missing the type-specifier for the return type, and assuming "int".
|
---|
| 2789 | // Parsing is possible because function_definition does not appear in the context of an expression (nested
|
---|
| 2790 | // functions preclude this concession, i.e., all nested function must have a return type). A function prototype
|
---|
| 2791 | // declaration must still have a type_specifier. OBSOLESCENT (see 1)
|
---|
[4d51835] | 2792 | | function_declarator compound_statement
|
---|
[c0a33d2] | 2793 | { $$ = $1->addFunctionBody( $2 ); }
|
---|
[35718a9] | 2794 | | KR_function_declarator KR_parameter_list_opt compound_statement
|
---|
[c0a33d2] | 2795 | { $$ = $1->addOldDeclList( $2 )->addFunctionBody( $3 ); }
|
---|
[4d51835] | 2796 | ;
|
---|
[51b73452] | 2797 |
|
---|
[8b47e50] | 2798 | with_clause_opt:
|
---|
| 2799 | // empty
|
---|
[9997fee] | 2800 | { $$ = nullptr; forall = false; }
|
---|
[578e6037] | 2801 | | WITH '(' tuple_expression_list ')'
|
---|
[9997fee] | 2802 | { $$ = $3; forall = false; }
|
---|
[8b47e50] | 2803 | ;
|
---|
| 2804 |
|
---|
[51b73452] | 2805 | function_definition:
|
---|
[8b47e50] | 2806 | cfa_function_declaration with_clause_opt compound_statement // CFA
|
---|
[4d51835] | 2807 | {
|
---|
[481115f] | 2808 | // Add the function body to the last identifier in the function definition list, i.e., foo3:
|
---|
| 2809 | // [const double] foo1(), foo2( int ), foo3( double ) { return 3.0; }
|
---|
[5fcba14] | 2810 | $1->get_last()->addFunctionBody( $3, $2 );
|
---|
[481115f] | 2811 | $$ = $1;
|
---|
[4d51835] | 2812 | }
|
---|
[8b47e50] | 2813 | | declaration_specifier function_declarator with_clause_opt compound_statement
|
---|
[4d51835] | 2814 | {
|
---|
[c38ae92] | 2815 | rebindForall( $1, $2 );
|
---|
[7fdb94e1] | 2816 | $$ = $2->addFunctionBody( $4, $3 )->addType( $1 );
|
---|
| 2817 | }
|
---|
| 2818 | | declaration_specifier variable_type_redeclarator with_clause_opt compound_statement
|
---|
| 2819 | {
|
---|
| 2820 | rebindForall( $1, $2 );
|
---|
[5fcba14] | 2821 | $$ = $2->addFunctionBody( $4, $3 )->addType( $1 );
|
---|
[4d51835] | 2822 | }
|
---|
[a16a7ec] | 2823 | // handles default int return type, OBSOLESCENT (see 1)
|
---|
[8b47e50] | 2824 | | type_qualifier_list function_declarator with_clause_opt compound_statement
|
---|
[c0a33d2] | 2825 | { $$ = $2->addFunctionBody( $4, $3 )->addQualifiers( $1 ); }
|
---|
[a16a7ec] | 2826 | // handles default int return type, OBSOLESCENT (see 1)
|
---|
[8b47e50] | 2827 | | declaration_qualifier_list function_declarator with_clause_opt compound_statement
|
---|
[c0a33d2] | 2828 | { $$ = $2->addFunctionBody( $4, $3 )->addQualifiers( $1 ); }
|
---|
[a16a7ec] | 2829 | // handles default int return type, OBSOLESCENT (see 1)
|
---|
[8b47e50] | 2830 | | declaration_qualifier_list type_qualifier_list function_declarator with_clause_opt compound_statement
|
---|
[c0a33d2] | 2831 | { $$ = $3->addFunctionBody( $5, $4 )->addQualifiers( $2 )->addQualifiers( $1 ); }
|
---|
[4d51835] | 2832 |
|
---|
| 2833 | // Old-style K&R function definition, OBSOLESCENT (see 4)
|
---|
[35718a9] | 2834 | | declaration_specifier KR_function_declarator KR_parameter_list_opt with_clause_opt compound_statement
|
---|
[4d51835] | 2835 | {
|
---|
[c38ae92] | 2836 | rebindForall( $1, $2 );
|
---|
[5fcba14] | 2837 | $$ = $2->addOldDeclList( $3 )->addFunctionBody( $5, $4 )->addType( $1 );
|
---|
[4d51835] | 2838 | }
|
---|
[a16a7ec] | 2839 | // handles default int return type, OBSOLESCENT (see 1)
|
---|
[35718a9] | 2840 | | type_qualifier_list KR_function_declarator KR_parameter_list_opt with_clause_opt compound_statement
|
---|
[c0a33d2] | 2841 | { $$ = $2->addOldDeclList( $3 )->addFunctionBody( $5, $4 )->addQualifiers( $1 ); }
|
---|
[a16a7ec] | 2842 | // handles default int return type, OBSOLESCENT (see 1)
|
---|
[35718a9] | 2843 | | declaration_qualifier_list KR_function_declarator KR_parameter_list_opt with_clause_opt compound_statement
|
---|
[c0a33d2] | 2844 | { $$ = $2->addOldDeclList( $3 )->addFunctionBody( $5, $4 )->addQualifiers( $1 ); }
|
---|
[a16a7ec] | 2845 | // handles default int return type, OBSOLESCENT (see 1)
|
---|
[35718a9] | 2846 | | declaration_qualifier_list type_qualifier_list KR_function_declarator KR_parameter_list_opt with_clause_opt compound_statement
|
---|
[c0a33d2] | 2847 | { $$ = $3->addOldDeclList( $4 )->addFunctionBody( $6, $5 )->addQualifiers( $2 )->addQualifiers( $1 ); }
|
---|
[4d51835] | 2848 | ;
|
---|
[51b73452] | 2849 |
|
---|
| 2850 | declarator:
|
---|
[4d51835] | 2851 | variable_declarator
|
---|
[c6b1105] | 2852 | | variable_type_redeclarator
|
---|
[4d51835] | 2853 | | function_declarator
|
---|
| 2854 | ;
|
---|
[51b73452] | 2855 |
|
---|
| 2856 | subrange:
|
---|
[4d51835] | 2857 | constant_expression '~' constant_expression // CFA, integer subrange
|
---|
[408ab79] | 2858 | { $$ = new ExpressionNode( new RangeExpr( maybeMoveBuild<Expression>( $1 ), maybeMoveBuild<Expression>( $3 ) ) ); }
|
---|
[4d51835] | 2859 | ;
|
---|
[b87a5ed] | 2860 |
|
---|
| 2861 | asm_name_opt: // GCC
|
---|
[4d51835] | 2862 | // empty
|
---|
[58dd019] | 2863 | { $$ = nullptr; }
|
---|
| 2864 | | ASM '(' string_literal ')' attribute_list_opt
|
---|
[c0aa336] | 2865 | {
|
---|
| 2866 | DeclarationNode * name = new DeclarationNode();
|
---|
| 2867 | name->asmName = $3;
|
---|
| 2868 | $$ = name->addQualifiers( $5 );
|
---|
| 2869 | }
|
---|
[4d51835] | 2870 | ;
|
---|
[b87a5ed] | 2871 |
|
---|
| 2872 | attribute_list_opt: // GCC
|
---|
[4d51835] | 2873 | // empty
|
---|
[58dd019] | 2874 | { $$ = nullptr; }
|
---|
[4d51835] | 2875 | | attribute_list
|
---|
| 2876 | ;
|
---|
[b87a5ed] | 2877 |
|
---|
| 2878 | attribute_list: // GCC
|
---|
[4d51835] | 2879 | attribute
|
---|
| 2880 | | attribute_list attribute
|
---|
[1db21619] | 2881 | { $$ = $2->addQualifiers( $1 ); }
|
---|
[4d51835] | 2882 | ;
|
---|
[b87a5ed] | 2883 |
|
---|
| 2884 | attribute: // GCC
|
---|
[44a81853] | 2885 | ATTRIBUTE '(' '(' attribute_name_list ')' ')'
|
---|
| 2886 | { $$ = $4; }
|
---|
[4d51835] | 2887 | ;
|
---|
[b87a5ed] | 2888 |
|
---|
[44a81853] | 2889 | attribute_name_list: // GCC
|
---|
| 2890 | attribute_name
|
---|
| 2891 | | attribute_name_list ',' attribute_name
|
---|
[c0aa336] | 2892 | { $$ = $3->addQualifiers( $1 ); }
|
---|
[4d51835] | 2893 | ;
|
---|
[b87a5ed] | 2894 |
|
---|
[44a81853] | 2895 | attribute_name: // GCC
|
---|
[4d51835] | 2896 | // empty
|
---|
[44a81853] | 2897 | { $$ = nullptr; }
|
---|
| 2898 | | attr_name
|
---|
| 2899 | { $$ = DeclarationNode::newAttribute( $1 ); }
|
---|
[cbbd8fd7] | 2900 | | attr_name '(' argument_expression_list_opt ')'
|
---|
[44a81853] | 2901 | { $$ = DeclarationNode::newAttribute( $1, $3 ); }
|
---|
[4d51835] | 2902 | ;
|
---|
[b87a5ed] | 2903 |
|
---|
[44a81853] | 2904 | attr_name: // GCC
|
---|
| 2905 | IDENTIFIER
|
---|
[5b2edbc] | 2906 | | quasi_keyword
|
---|
[44a81853] | 2907 | | TYPEDEFname
|
---|
| 2908 | | TYPEGENname
|
---|
[114014c] | 2909 | | FALLTHROUGH
|
---|
| 2910 | { $$ = Token{ new string( "fallthrough" ), { nullptr, -1 } }; }
|
---|
[44a81853] | 2911 | | CONST
|
---|
[9ff56e7] | 2912 | { $$ = Token{ new string( "__const__" ), { nullptr, -1 } }; }
|
---|
[4d51835] | 2913 | ;
|
---|
[51b73452] | 2914 |
|
---|
[c11e31c] | 2915 | // ============================================================================
|
---|
[de62360d] | 2916 | // The following sections are a series of grammar patterns used to parse declarators. Multiple patterns are necessary
|
---|
| 2917 | // because the type of an identifier in wrapped around the identifier in the same form as its usage in an expression, as
|
---|
| 2918 | // in:
|
---|
[c11e31c] | 2919 | //
|
---|
[b87a5ed] | 2920 | // int (*f())[10] { ... };
|
---|
| 2921 | // ... (*f())[3] += 1; // definition mimics usage
|
---|
[c11e31c] | 2922 | //
|
---|
[de62360d] | 2923 | // Because these patterns are highly recursive, changes at a lower level in the recursion require copying some or all of
|
---|
| 2924 | // the pattern. Each of these patterns has some subtle variation to ensure correct syntax in a particular context.
|
---|
[c11e31c] | 2925 | // ============================================================================
|
---|
| 2926 |
|
---|
| 2927 | // ----------------------------------------------------------------------------
|
---|
[de62360d] | 2928 | // The set of valid declarators before a compound statement for defining a function is less than the set of declarators
|
---|
| 2929 | // to define a variable or function prototype, e.g.:
|
---|
[c11e31c] | 2930 | //
|
---|
[b87a5ed] | 2931 | // valid declaration invalid definition
|
---|
| 2932 | // ----------------- ------------------
|
---|
[4d51835] | 2933 | // int f; int f {}
|
---|
| 2934 | // int *f; int *f {}
|
---|
[b87a5ed] | 2935 | // int f[10]; int f[10] {}
|
---|
[4d51835] | 2936 | // int (*f)(int); int (*f)(int) {}
|
---|
[c11e31c] | 2937 | //
|
---|
[de62360d] | 2938 | // To preclude this syntactic anomaly requires separating the grammar rules for variable and function declarators, hence
|
---|
| 2939 | // variable_declarator and function_declarator.
|
---|
[c11e31c] | 2940 | // ----------------------------------------------------------------------------
|
---|
| 2941 |
|
---|
[de62360d] | 2942 | // This pattern parses a declaration of a variable that is not redefining a typedef name. The pattern precludes
|
---|
| 2943 | // declaring an array of functions versus a pointer to an array of functions.
|
---|
[51b73452] | 2944 |
|
---|
[5e25953] | 2945 | paren_identifier:
|
---|
[e16eb460] | 2946 | identifier_at
|
---|
[5e25953] | 2947 | { $$ = DeclarationNode::newName( $1 ); }
|
---|
| 2948 | | '(' paren_identifier ')' // redundant parenthesis
|
---|
| 2949 | { $$ = $2; }
|
---|
| 2950 | ;
|
---|
| 2951 |
|
---|
[51b73452] | 2952 | variable_declarator:
|
---|
[4d51835] | 2953 | paren_identifier attribute_list_opt
|
---|
[1db21619] | 2954 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 2955 | | variable_ptr
|
---|
| 2956 | | variable_array attribute_list_opt
|
---|
[1db21619] | 2957 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 2958 | | variable_function attribute_list_opt
|
---|
[1db21619] | 2959 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 2960 | ;
|
---|
[51b73452] | 2961 |
|
---|
| 2962 | variable_ptr:
|
---|
[dd51906] | 2963 | ptrref_operator variable_declarator
|
---|
[ce8c12f] | 2964 | { $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[dd51906] | 2965 | | ptrref_operator type_qualifier_list variable_declarator
|
---|
[ce8c12f] | 2966 | { $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
|
---|
[5e25953] | 2967 | | '(' variable_ptr ')' attribute_list_opt // redundant parenthesis
|
---|
| 2968 | { $$ = $2->addQualifiers( $4 ); }
|
---|
| 2969 | | '(' attribute_list variable_ptr ')' attribute_list_opt // redundant parenthesis
|
---|
| 2970 | { $$ = $3->addQualifiers( $2 )->addQualifiers( $5 ); }
|
---|
[4d51835] | 2971 | ;
|
---|
[51b73452] | 2972 |
|
---|
| 2973 | variable_array:
|
---|
[4d51835] | 2974 | paren_identifier array_dimension
|
---|
| 2975 | { $$ = $1->addArray( $2 ); }
|
---|
| 2976 | | '(' variable_ptr ')' array_dimension
|
---|
| 2977 | { $$ = $2->addArray( $4 ); }
|
---|
[5e25953] | 2978 | | '(' attribute_list variable_ptr ')' array_dimension
|
---|
| 2979 | { $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
|
---|
| 2980 | | '(' variable_array ')' multi_array_dimension // redundant parenthesis
|
---|
[4d51835] | 2981 | { $$ = $2->addArray( $4 ); }
|
---|
[5e25953] | 2982 | | '(' attribute_list variable_array ')' multi_array_dimension // redundant parenthesis
|
---|
| 2983 | { $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
|
---|
[4d51835] | 2984 | | '(' variable_array ')' // redundant parenthesis
|
---|
| 2985 | { $$ = $2; }
|
---|
[5e25953] | 2986 | | '(' attribute_list variable_array ')' // redundant parenthesis
|
---|
| 2987 | { $$ = $3->addQualifiers( $2 ); }
|
---|
[4d51835] | 2988 | ;
|
---|
[51b73452] | 2989 |
|
---|
| 2990 | variable_function:
|
---|
[4d51835] | 2991 | '(' variable_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
| 2992 | { $$ = $2->addParamList( $6 ); }
|
---|
[5e25953] | 2993 | | '(' attribute_list variable_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
| 2994 | { $$ = $3->addQualifiers( $2 )->addParamList( $7 ); }
|
---|
[4d51835] | 2995 | | '(' variable_function ')' // redundant parenthesis
|
---|
| 2996 | { $$ = $2; }
|
---|
[5e25953] | 2997 | | '(' attribute_list variable_function ')' // redundant parenthesis
|
---|
| 2998 | { $$ = $3->addQualifiers( $2 ); }
|
---|
[4d51835] | 2999 | ;
|
---|
[51b73452] | 3000 |
|
---|
[c6b1105] | 3001 | // This pattern parses a function declarator that is not redefining a typedef name. For non-nested functions, there is
|
---|
| 3002 | // no context where a function definition can redefine a typedef name, i.e., the typedef and function name cannot exist
|
---|
| 3003 | // is the same scope. The pattern precludes returning arrays and functions versus pointers to arrays and functions.
|
---|
[51b73452] | 3004 |
|
---|
| 3005 | function_declarator:
|
---|
[4d51835] | 3006 | function_no_ptr attribute_list_opt
|
---|
[1db21619] | 3007 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 3008 | | function_ptr
|
---|
| 3009 | | function_array attribute_list_opt
|
---|
[1db21619] | 3010 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 3011 | ;
|
---|
[51b73452] | 3012 |
|
---|
| 3013 | function_no_ptr:
|
---|
[4d51835] | 3014 | paren_identifier '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
| 3015 | { $$ = $1->addParamList( $4 ); }
|
---|
| 3016 | | '(' function_ptr ')' '(' push parameter_type_list_opt pop ')'
|
---|
| 3017 | { $$ = $2->addParamList( $6 ); }
|
---|
[5e25953] | 3018 | | '(' attribute_list function_ptr ')' '(' push parameter_type_list_opt pop ')'
|
---|
| 3019 | { $$ = $3->addQualifiers( $2 )->addParamList( $7 ); }
|
---|
[4d51835] | 3020 | | '(' function_no_ptr ')' // redundant parenthesis
|
---|
| 3021 | { $$ = $2; }
|
---|
[5e25953] | 3022 | | '(' attribute_list function_no_ptr ')' // redundant parenthesis
|
---|
| 3023 | { $$ = $3->addQualifiers( $2 ); }
|
---|
[4d51835] | 3024 | ;
|
---|
[51b73452] | 3025 |
|
---|
| 3026 | function_ptr:
|
---|
[dd51906] | 3027 | ptrref_operator function_declarator
|
---|
[ce8c12f] | 3028 | { $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[dd51906] | 3029 | | ptrref_operator type_qualifier_list function_declarator
|
---|
[ce8c12f] | 3030 | { $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
|
---|
[5e25953] | 3031 | | '(' function_ptr ')' attribute_list_opt
|
---|
| 3032 | { $$ = $2->addQualifiers( $4 ); }
|
---|
| 3033 | | '(' attribute_list function_ptr ')' attribute_list_opt
|
---|
| 3034 | { $$ = $3->addQualifiers( $2 )->addQualifiers( $5 ); }
|
---|
[4d51835] | 3035 | ;
|
---|
[51b73452] | 3036 |
|
---|
| 3037 | function_array:
|
---|
[4d51835] | 3038 | '(' function_ptr ')' array_dimension
|
---|
| 3039 | { $$ = $2->addArray( $4 ); }
|
---|
[5e25953] | 3040 | | '(' attribute_list function_ptr ')' array_dimension
|
---|
| 3041 | { $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
|
---|
[4d51835] | 3042 | | '(' function_array ')' multi_array_dimension // redundant parenthesis
|
---|
| 3043 | { $$ = $2->addArray( $4 ); }
|
---|
[5e25953] | 3044 | | '(' attribute_list function_array ')' multi_array_dimension // redundant parenthesis
|
---|
| 3045 | { $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
|
---|
[4d51835] | 3046 | | '(' function_array ')' // redundant parenthesis
|
---|
| 3047 | { $$ = $2; }
|
---|
[5e25953] | 3048 | | '(' attribute_list function_array ')' // redundant parenthesis
|
---|
| 3049 | { $$ = $3->addQualifiers( $2 ); }
|
---|
[4d51835] | 3050 | ;
|
---|
[51b73452] | 3051 |
|
---|
[c0aa336] | 3052 | // This pattern parses an old-style K&R function declarator (OBSOLESCENT, see 4)
|
---|
| 3053 | //
|
---|
| 3054 | // f( a, b, c ) int a, *b, c[]; {}
|
---|
| 3055 | //
|
---|
| 3056 | // that is not redefining a typedef name (see function_declarator for additional comments). The pattern precludes
|
---|
| 3057 | // returning arrays and functions versus pointers to arrays and functions.
|
---|
[51b73452] | 3058 |
|
---|
[c0aa336] | 3059 | KR_function_declarator:
|
---|
| 3060 | KR_function_no_ptr
|
---|
| 3061 | | KR_function_ptr
|
---|
| 3062 | | KR_function_array
|
---|
[4d51835] | 3063 | ;
|
---|
[51b73452] | 3064 |
|
---|
[c0aa336] | 3065 | KR_function_no_ptr:
|
---|
[4d51835] | 3066 | paren_identifier '(' identifier_list ')' // function_declarator handles empty parameter
|
---|
| 3067 | { $$ = $1->addIdList( $3 ); }
|
---|
[c0a33d2] | 3068 | | '(' KR_function_ptr ')' '(' push parameter_type_list_opt pop ')'
|
---|
| 3069 | { $$ = $2->addParamList( $6 ); }
|
---|
[5e25953] | 3070 | | '(' attribute_list KR_function_ptr ')' '(' push parameter_type_list_opt pop ')'
|
---|
| 3071 | { $$ = $3->addQualifiers( $2 )->addParamList( $7 ); }
|
---|
[c0aa336] | 3072 | | '(' KR_function_no_ptr ')' // redundant parenthesis
|
---|
[4d51835] | 3073 | { $$ = $2; }
|
---|
[5e25953] | 3074 | | '(' attribute_list KR_function_no_ptr ')' // redundant parenthesis
|
---|
| 3075 | { $$ = $3->addQualifiers( $2 ); }
|
---|
[4d51835] | 3076 | ;
|
---|
[51b73452] | 3077 |
|
---|
[c0aa336] | 3078 | KR_function_ptr:
|
---|
| 3079 | ptrref_operator KR_function_declarator
|
---|
[ce8c12f] | 3080 | { $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[c0aa336] | 3081 | | ptrref_operator type_qualifier_list KR_function_declarator
|
---|
[ce8c12f] | 3082 | { $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
|
---|
[c0aa336] | 3083 | | '(' KR_function_ptr ')'
|
---|
[4d51835] | 3084 | { $$ = $2; }
|
---|
[5e25953] | 3085 | | '(' attribute_list KR_function_ptr ')'
|
---|
| 3086 | { $$ = $3->addQualifiers( $2 ); }
|
---|
[4d51835] | 3087 | ;
|
---|
[51b73452] | 3088 |
|
---|
[c0aa336] | 3089 | KR_function_array:
|
---|
| 3090 | '(' KR_function_ptr ')' array_dimension
|
---|
[4d51835] | 3091 | { $$ = $2->addArray( $4 ); }
|
---|
[5e25953] | 3092 | | '(' attribute_list KR_function_ptr ')' array_dimension
|
---|
| 3093 | { $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
|
---|
[c0aa336] | 3094 | | '(' KR_function_array ')' multi_array_dimension // redundant parenthesis
|
---|
[4d51835] | 3095 | { $$ = $2->addArray( $4 ); }
|
---|
[5e25953] | 3096 | | '(' attribute_list KR_function_array ')' multi_array_dimension // redundant parenthesis
|
---|
| 3097 | { $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
|
---|
[c0aa336] | 3098 | | '(' KR_function_array ')' // redundant parenthesis
|
---|
[4d51835] | 3099 | { $$ = $2; }
|
---|
[5e25953] | 3100 | | '(' attribute_list KR_function_array ')' // redundant parenthesis
|
---|
| 3101 | { $$ = $3->addQualifiers( $2 ); }
|
---|
[4d51835] | 3102 | ;
|
---|
[51b73452] | 3103 |
|
---|
[2871210] | 3104 | // This pattern parses a declaration for a variable or function prototype that redefines a type name, e.g.:
|
---|
[c11e31c] | 3105 | //
|
---|
[b87a5ed] | 3106 | // typedef int foo;
|
---|
| 3107 | // {
|
---|
| 3108 | // int foo; // redefine typedef name in new scope
|
---|
| 3109 | // }
|
---|
[c11e31c] | 3110 | //
|
---|
[de62360d] | 3111 | // The pattern precludes declaring an array of functions versus a pointer to an array of functions, and returning arrays
|
---|
| 3112 | // and functions versus pointers to arrays and functions.
|
---|
[51b73452] | 3113 |
|
---|
[2871210] | 3114 | paren_type:
|
---|
[f9c3100] | 3115 | typedef_name
|
---|
[c4f68dc] | 3116 | {
|
---|
[f9c3100] | 3117 | // hide type name in enclosing scope by variable name
|
---|
| 3118 | typedefTable.addToEnclosingScope( *$1->name, IDENTIFIER, "ID" );
|
---|
[c4f68dc] | 3119 | }
|
---|
[2871210] | 3120 | | '(' paren_type ')'
|
---|
[4d51835] | 3121 | { $$ = $2; }
|
---|
| 3122 | ;
|
---|
[51b73452] | 3123 |
|
---|
[5e25953] | 3124 | variable_type_redeclarator:
|
---|
| 3125 | paren_type attribute_list_opt
|
---|
| 3126 | { $$ = $1->addQualifiers( $2 ); }
|
---|
| 3127 | | type_ptr
|
---|
| 3128 | | type_array attribute_list_opt
|
---|
| 3129 | { $$ = $1->addQualifiers( $2 ); }
|
---|
| 3130 | | type_function attribute_list_opt
|
---|
| 3131 | { $$ = $1->addQualifiers( $2 ); }
|
---|
| 3132 | ;
|
---|
| 3133 |
|
---|
[2871210] | 3134 | type_ptr:
|
---|
[c6b1105] | 3135 | ptrref_operator variable_type_redeclarator
|
---|
[ce8c12f] | 3136 | { $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[c6b1105] | 3137 | | ptrref_operator type_qualifier_list variable_type_redeclarator
|
---|
[ce8c12f] | 3138 | { $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
|
---|
[5e25953] | 3139 | | '(' type_ptr ')' attribute_list_opt // redundant parenthesis
|
---|
| 3140 | { $$ = $2->addQualifiers( $4 ); }
|
---|
| 3141 | | '(' attribute_list type_ptr ')' attribute_list_opt // redundant parenthesis
|
---|
| 3142 | { $$ = $3->addQualifiers( $2 )->addQualifiers( $5 ); }
|
---|
[4d51835] | 3143 | ;
|
---|
[51b73452] | 3144 |
|
---|
[2871210] | 3145 | type_array:
|
---|
| 3146 | paren_type array_dimension
|
---|
[4d51835] | 3147 | { $$ = $1->addArray( $2 ); }
|
---|
[2871210] | 3148 | | '(' type_ptr ')' array_dimension
|
---|
[4d51835] | 3149 | { $$ = $2->addArray( $4 ); }
|
---|
[5e25953] | 3150 | | '(' attribute_list type_ptr ')' array_dimension
|
---|
| 3151 | { $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
|
---|
[2871210] | 3152 | | '(' type_array ')' multi_array_dimension // redundant parenthesis
|
---|
[4d51835] | 3153 | { $$ = $2->addArray( $4 ); }
|
---|
[5e25953] | 3154 | | '(' attribute_list type_array ')' multi_array_dimension // redundant parenthesis
|
---|
| 3155 | { $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
|
---|
[2871210] | 3156 | | '(' type_array ')' // redundant parenthesis
|
---|
[4d51835] | 3157 | { $$ = $2; }
|
---|
[5e25953] | 3158 | | '(' attribute_list type_array ')' // redundant parenthesis
|
---|
| 3159 | { $$ = $3->addQualifiers( $2 ); }
|
---|
[4d51835] | 3160 | ;
|
---|
[51b73452] | 3161 |
|
---|
[2871210] | 3162 | type_function:
|
---|
| 3163 | paren_type '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
[4d51835] | 3164 | { $$ = $1->addParamList( $4 ); }
|
---|
[2871210] | 3165 | | '(' type_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
[4d51835] | 3166 | { $$ = $2->addParamList( $6 ); }
|
---|
[5e25953] | 3167 | | '(' attribute_list type_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
| 3168 | { $$ = $3->addQualifiers( $2 )->addParamList( $7 ); }
|
---|
[2871210] | 3169 | | '(' type_function ')' // redundant parenthesis
|
---|
[4d51835] | 3170 | { $$ = $2; }
|
---|
[5e25953] | 3171 | | '(' attribute_list type_function ')' // redundant parenthesis
|
---|
| 3172 | { $$ = $3->addQualifiers( $2 ); }
|
---|
[4d51835] | 3173 | ;
|
---|
[51b73452] | 3174 |
|
---|
[c0aa336] | 3175 | // This pattern parses a declaration for a parameter variable of a function prototype or actual that is not redefining a
|
---|
| 3176 | // typedef name and allows the C99 array options, which can only appear in a parameter list. The pattern precludes
|
---|
| 3177 | // declaring an array of functions versus a pointer to an array of functions, and returning arrays and functions versus
|
---|
| 3178 | // pointers to arrays and functions.
|
---|
[51b73452] | 3179 |
|
---|
| 3180 | identifier_parameter_declarator:
|
---|
[4d51835] | 3181 | paren_identifier attribute_list_opt
|
---|
[1db21619] | 3182 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[b6b3c42] | 3183 | | '&' MUTEX paren_identifier attribute_list_opt
|
---|
| 3184 | { $$ = $3->addPointer( DeclarationNode::newPointer( DeclarationNode::newTypeQualifier( Type::Mutex ), OperKinds::AddressOf ) )->addQualifiers( $4 ); }
|
---|
[4d51835] | 3185 | | identifier_parameter_ptr
|
---|
| 3186 | | identifier_parameter_array attribute_list_opt
|
---|
[1db21619] | 3187 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 3188 | | identifier_parameter_function attribute_list_opt
|
---|
[1db21619] | 3189 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 3190 | ;
|
---|
[51b73452] | 3191 |
|
---|
| 3192 | identifier_parameter_ptr:
|
---|
[dd51906] | 3193 | ptrref_operator identifier_parameter_declarator
|
---|
[ce8c12f] | 3194 | { $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[dd51906] | 3195 | | ptrref_operator type_qualifier_list identifier_parameter_declarator
|
---|
[ce8c12f] | 3196 | { $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
|
---|
[5e25953] | 3197 | | '(' identifier_parameter_ptr ')' attribute_list_opt // redundant parenthesis
|
---|
[c0aa336] | 3198 | { $$ = $2->addQualifiers( $4 ); }
|
---|
[4d51835] | 3199 | ;
|
---|
[51b73452] | 3200 |
|
---|
| 3201 | identifier_parameter_array:
|
---|
[4d51835] | 3202 | paren_identifier array_parameter_dimension
|
---|
| 3203 | { $$ = $1->addArray( $2 ); }
|
---|
| 3204 | | '(' identifier_parameter_ptr ')' array_dimension
|
---|
| 3205 | { $$ = $2->addArray( $4 ); }
|
---|
| 3206 | | '(' identifier_parameter_array ')' multi_array_dimension // redundant parenthesis
|
---|
| 3207 | { $$ = $2->addArray( $4 ); }
|
---|
| 3208 | | '(' identifier_parameter_array ')' // redundant parenthesis
|
---|
| 3209 | { $$ = $2; }
|
---|
| 3210 | ;
|
---|
[51b73452] | 3211 |
|
---|
| 3212 | identifier_parameter_function:
|
---|
[c0a33d2] | 3213 | paren_identifier '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
| 3214 | { $$ = $1->addParamList( $4 ); }
|
---|
| 3215 | | '(' identifier_parameter_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
| 3216 | { $$ = $2->addParamList( $6 ); }
|
---|
[4d51835] | 3217 | | '(' identifier_parameter_function ')' // redundant parenthesis
|
---|
| 3218 | { $$ = $2; }
|
---|
| 3219 | ;
|
---|
[b87a5ed] | 3220 |
|
---|
[de62360d] | 3221 | // This pattern parses a declaration for a parameter variable or function prototype that is redefining a typedef name,
|
---|
| 3222 | // e.g.:
|
---|
[c11e31c] | 3223 | //
|
---|
[b87a5ed] | 3224 | // typedef int foo;
|
---|
[114014c] | 3225 | // forall( otype T ) struct foo;
|
---|
[b87a5ed] | 3226 | // int f( int foo ); // redefine typedef name in new scope
|
---|
[c11e31c] | 3227 | //
|
---|
[c0aa336] | 3228 | // and allows the C99 array options, which can only appear in a parameter list.
|
---|
[51b73452] | 3229 |
|
---|
[2871210] | 3230 | type_parameter_redeclarator:
|
---|
[f9c3100] | 3231 | typedef_name attribute_list_opt
|
---|
[1db21619] | 3232 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[f9c3100] | 3233 | | '&' MUTEX typedef_name attribute_list_opt
|
---|
[b6b3c42] | 3234 | { $$ = $3->addPointer( DeclarationNode::newPointer( DeclarationNode::newTypeQualifier( Type::Mutex ), OperKinds::AddressOf ) )->addQualifiers( $4 ); }
|
---|
[2871210] | 3235 | | type_parameter_ptr
|
---|
| 3236 | | type_parameter_array attribute_list_opt
|
---|
[1db21619] | 3237 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[2871210] | 3238 | | type_parameter_function attribute_list_opt
|
---|
[1db21619] | 3239 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 3240 | ;
|
---|
[51b73452] | 3241 |
|
---|
[f9c3100] | 3242 | typedef_name:
|
---|
[4d51835] | 3243 | TYPEDEFname
|
---|
[7fdb94e1] | 3244 | { $$ = DeclarationNode::newName( $1 ); }
|
---|
[2871210] | 3245 | | TYPEGENname
|
---|
[7fdb94e1] | 3246 | { $$ = DeclarationNode::newName( $1 ); }
|
---|
[4d51835] | 3247 | ;
|
---|
[51b73452] | 3248 |
|
---|
[2871210] | 3249 | type_parameter_ptr:
|
---|
[dd51906] | 3250 | ptrref_operator type_parameter_redeclarator
|
---|
[ce8c12f] | 3251 | { $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[dd51906] | 3252 | | ptrref_operator type_qualifier_list type_parameter_redeclarator
|
---|
[ce8c12f] | 3253 | { $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
|
---|
[5e25953] | 3254 | | '(' type_parameter_ptr ')' attribute_list_opt // redundant parenthesis
|
---|
[c0aa336] | 3255 | { $$ = $2->addQualifiers( $4 ); }
|
---|
[4d51835] | 3256 | ;
|
---|
[51b73452] | 3257 |
|
---|
[2871210] | 3258 | type_parameter_array:
|
---|
[f9c3100] | 3259 | typedef_name array_parameter_dimension
|
---|
[4d51835] | 3260 | { $$ = $1->addArray( $2 ); }
|
---|
[2871210] | 3261 | | '(' type_parameter_ptr ')' array_parameter_dimension
|
---|
[4d51835] | 3262 | { $$ = $2->addArray( $4 ); }
|
---|
| 3263 | ;
|
---|
[51b73452] | 3264 |
|
---|
[2871210] | 3265 | type_parameter_function:
|
---|
[f9c3100] | 3266 | typedef_name '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
[c0a33d2] | 3267 | { $$ = $1->addParamList( $4 ); }
|
---|
| 3268 | | '(' type_parameter_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
| 3269 | { $$ = $2->addParamList( $6 ); }
|
---|
[4d51835] | 3270 | ;
|
---|
[b87a5ed] | 3271 |
|
---|
[de62360d] | 3272 | // This pattern parses a declaration of an abstract variable or function prototype, i.e., there is no identifier to
|
---|
| 3273 | // which the type applies, e.g.:
|
---|
[c11e31c] | 3274 | //
|
---|
[b87a5ed] | 3275 | // sizeof( int );
|
---|
[c0aa336] | 3276 | // sizeof( int * );
|
---|
[b87a5ed] | 3277 | // sizeof( int [10] );
|
---|
[c0aa336] | 3278 | // sizeof( int (*)() );
|
---|
| 3279 | // sizeof( int () );
|
---|
[c11e31c] | 3280 | //
|
---|
[de62360d] | 3281 | // The pattern precludes declaring an array of functions versus a pointer to an array of functions, and returning arrays
|
---|
| 3282 | // and functions versus pointers to arrays and functions.
|
---|
[51b73452] | 3283 |
|
---|
| 3284 | abstract_declarator:
|
---|
[4d51835] | 3285 | abstract_ptr
|
---|
| 3286 | | abstract_array attribute_list_opt
|
---|
[1db21619] | 3287 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 3288 | | abstract_function attribute_list_opt
|
---|
[1db21619] | 3289 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 3290 | ;
|
---|
[51b73452] | 3291 |
|
---|
| 3292 | abstract_ptr:
|
---|
[dd51906] | 3293 | ptrref_operator
|
---|
[ce8c12f] | 3294 | { $$ = DeclarationNode::newPointer( 0, $1 ); }
|
---|
[dd51906] | 3295 | | ptrref_operator type_qualifier_list
|
---|
[ce8c12f] | 3296 | { $$ = DeclarationNode::newPointer( $2, $1 ); }
|
---|
[dd51906] | 3297 | | ptrref_operator abstract_declarator
|
---|
[ce8c12f] | 3298 | { $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[dd51906] | 3299 | | ptrref_operator type_qualifier_list abstract_declarator
|
---|
[ce8c12f] | 3300 | { $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
|
---|
[c0aa336] | 3301 | | '(' abstract_ptr ')' attribute_list_opt
|
---|
| 3302 | { $$ = $2->addQualifiers( $4 ); }
|
---|
[4d51835] | 3303 | ;
|
---|
[51b73452] | 3304 |
|
---|
| 3305 | abstract_array:
|
---|
[4d51835] | 3306 | array_dimension
|
---|
| 3307 | | '(' abstract_ptr ')' array_dimension
|
---|
| 3308 | { $$ = $2->addArray( $4 ); }
|
---|
| 3309 | | '(' abstract_array ')' multi_array_dimension // redundant parenthesis
|
---|
| 3310 | { $$ = $2->addArray( $4 ); }
|
---|
| 3311 | | '(' abstract_array ')' // redundant parenthesis
|
---|
| 3312 | { $$ = $2; }
|
---|
| 3313 | ;
|
---|
[51b73452] | 3314 |
|
---|
| 3315 | abstract_function:
|
---|
[c0a33d2] | 3316 | '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
| 3317 | { $$ = DeclarationNode::newFunction( nullptr, nullptr, $3, nullptr ); }
|
---|
| 3318 | | '(' abstract_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
| 3319 | { $$ = $2->addParamList( $6 ); }
|
---|
[4d51835] | 3320 | | '(' abstract_function ')' // redundant parenthesis
|
---|
| 3321 | { $$ = $2; }
|
---|
| 3322 | ;
|
---|
[51b73452] | 3323 |
|
---|
| 3324 | array_dimension:
|
---|
[4d51835] | 3325 | // Only the first dimension can be empty.
|
---|
[2871210] | 3326 | '[' ']'
|
---|
[4d51835] | 3327 | { $$ = DeclarationNode::newArray( 0, 0, false ); }
|
---|
[2871210] | 3328 | | '[' ']' multi_array_dimension
|
---|
| 3329 | { $$ = DeclarationNode::newArray( 0, 0, false )->addArray( $3 ); }
|
---|
[6a99803] | 3330 | | '[' push assignment_expression pop ',' comma_expression ']'
|
---|
| 3331 | { $$ = DeclarationNode::newArray( $3, 0, false )->addArray( DeclarationNode::newArray( $6, 0, false ) ); }
|
---|
| 3332 | // { SemanticError( yylloc, "New array dimension is currently unimplemented." ); $$ = nullptr; }
|
---|
[4d51835] | 3333 | | multi_array_dimension
|
---|
| 3334 | ;
|
---|
[51b73452] | 3335 |
|
---|
| 3336 | multi_array_dimension:
|
---|
[c0a33d2] | 3337 | '[' push assignment_expression pop ']'
|
---|
| 3338 | { $$ = DeclarationNode::newArray( $3, 0, false ); }
|
---|
| 3339 | | '[' push '*' pop ']' // C99
|
---|
[4d51835] | 3340 | { $$ = DeclarationNode::newVarArray( 0 ); }
|
---|
[c0a33d2] | 3341 | | multi_array_dimension '[' push assignment_expression pop ']'
|
---|
| 3342 | { $$ = $1->addArray( DeclarationNode::newArray( $4, 0, false ) ); }
|
---|
| 3343 | | multi_array_dimension '[' push '*' pop ']' // C99
|
---|
[4d51835] | 3344 | { $$ = $1->addArray( DeclarationNode::newVarArray( 0 ) ); }
|
---|
| 3345 | ;
|
---|
[51b73452] | 3346 |
|
---|
[c11e31c] | 3347 | // This pattern parses a declaration of a parameter abstract variable or function prototype, i.e., there is no
|
---|
| 3348 | // identifier to which the type applies, e.g.:
|
---|
| 3349 | //
|
---|
[c0aa336] | 3350 | // int f( int ); // not handled here
|
---|
| 3351 | // int f( int * ); // abstract function-prototype parameter; no parameter name specified
|
---|
| 3352 | // int f( int (*)() ); // abstract function-prototype parameter; no parameter name specified
|
---|
[b87a5ed] | 3353 | // int f( int (int) ); // abstract function-prototype parameter; no parameter name specified
|
---|
[c11e31c] | 3354 | //
|
---|
[de62360d] | 3355 | // The pattern precludes declaring an array of functions versus a pointer to an array of functions, and returning arrays
|
---|
[c0aa336] | 3356 | // and functions versus pointers to arrays and functions. In addition, the pattern handles the
|
---|
| 3357 | // special meaning of parenthesis around a typedef name:
|
---|
| 3358 | //
|
---|
| 3359 | // ISO/IEC 9899:1999 Section 6.7.5.3(11) : "In a parameter declaration, a single typedef name in
|
---|
| 3360 | // parentheses is taken to be an abstract declarator that specifies a function with a single parameter,
|
---|
| 3361 | // not as redundant parentheses around the identifier."
|
---|
| 3362 | //
|
---|
| 3363 | // For example:
|
---|
| 3364 | //
|
---|
| 3365 | // typedef float T;
|
---|
| 3366 | // int f( int ( T [5] ) ); // see abstract_parameter_declarator
|
---|
| 3367 | // int g( int ( T ( int ) ) ); // see abstract_parameter_declarator
|
---|
| 3368 | // int f( int f1( T a[5] ) ); // see identifier_parameter_declarator
|
---|
| 3369 | // int g( int g1( T g2( int p ) ) ); // see identifier_parameter_declarator
|
---|
| 3370 | //
|
---|
| 3371 | // In essence, a '(' immediately to the left of typedef name, T, is interpreted as starting a parameter type list, and
|
---|
| 3372 | // not as redundant parentheses around a redeclaration of T. Finally, the pattern also precludes declaring an array of
|
---|
| 3373 | // functions versus a pointer to an array of functions, and returning arrays and functions versus pointers to arrays and
|
---|
| 3374 | // functions.
|
---|
[51b73452] | 3375 |
|
---|
| 3376 | abstract_parameter_declarator:
|
---|
[4d51835] | 3377 | abstract_parameter_ptr
|
---|
[b6b3c42] | 3378 | | '&' MUTEX attribute_list_opt
|
---|
| 3379 | { $$ = DeclarationNode::newPointer( DeclarationNode::newTypeQualifier( Type::Mutex ), OperKinds::AddressOf )->addQualifiers( $3 ); }
|
---|
[4d51835] | 3380 | | abstract_parameter_array attribute_list_opt
|
---|
[1db21619] | 3381 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 3382 | | abstract_parameter_function attribute_list_opt
|
---|
[1db21619] | 3383 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 3384 | ;
|
---|
[51b73452] | 3385 |
|
---|
| 3386 | abstract_parameter_ptr:
|
---|
[dd51906] | 3387 | ptrref_operator
|
---|
[ce8c12f] | 3388 | { $$ = DeclarationNode::newPointer( nullptr, $1 ); }
|
---|
[dd51906] | 3389 | | ptrref_operator type_qualifier_list
|
---|
[ce8c12f] | 3390 | { $$ = DeclarationNode::newPointer( $2, $1 ); }
|
---|
[dd51906] | 3391 | | ptrref_operator abstract_parameter_declarator
|
---|
[ce8c12f] | 3392 | { $$ = $2->addPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
|
---|
[dd51906] | 3393 | | ptrref_operator type_qualifier_list abstract_parameter_declarator
|
---|
[ce8c12f] | 3394 | { $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
|
---|
[5e25953] | 3395 | | '(' abstract_parameter_ptr ')' attribute_list_opt // redundant parenthesis
|
---|
[c0aa336] | 3396 | { $$ = $2->addQualifiers( $4 ); }
|
---|
[4d51835] | 3397 | ;
|
---|
[51b73452] | 3398 |
|
---|
| 3399 | abstract_parameter_array:
|
---|
[4d51835] | 3400 | array_parameter_dimension
|
---|
| 3401 | | '(' abstract_parameter_ptr ')' array_parameter_dimension
|
---|
| 3402 | { $$ = $2->addArray( $4 ); }
|
---|
| 3403 | | '(' abstract_parameter_array ')' multi_array_dimension // redundant parenthesis
|
---|
| 3404 | { $$ = $2->addArray( $4 ); }
|
---|
| 3405 | | '(' abstract_parameter_array ')' // redundant parenthesis
|
---|
| 3406 | { $$ = $2; }
|
---|
| 3407 | ;
|
---|
[51b73452] | 3408 |
|
---|
| 3409 | abstract_parameter_function:
|
---|
[c0a33d2] | 3410 | '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
| 3411 | { $$ = DeclarationNode::newFunction( nullptr, nullptr, $3, nullptr ); }
|
---|
| 3412 | | '(' abstract_parameter_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
| 3413 | { $$ = $2->addParamList( $6 ); }
|
---|
[4d51835] | 3414 | | '(' abstract_parameter_function ')' // redundant parenthesis
|
---|
| 3415 | { $$ = $2; }
|
---|
| 3416 | ;
|
---|
[51b73452] | 3417 |
|
---|
| 3418 | array_parameter_dimension:
|
---|
[4d51835] | 3419 | // Only the first dimension can be empty or have qualifiers.
|
---|
| 3420 | array_parameter_1st_dimension
|
---|
| 3421 | | array_parameter_1st_dimension multi_array_dimension
|
---|
| 3422 | { $$ = $1->addArray( $2 ); }
|
---|
| 3423 | | multi_array_dimension
|
---|
| 3424 | ;
|
---|
[51b73452] | 3425 |
|
---|
[c11e31c] | 3426 | // The declaration of an array parameter has additional syntax over arrays in normal variable declarations:
|
---|
| 3427 | //
|
---|
[de62360d] | 3428 | // ISO/IEC 9899:1999 Section 6.7.5.2(1) : "The optional type qualifiers and the keyword static shall appear only in
|
---|
| 3429 | // a declaration of a function parameter with an array type, and then only in the outermost array type derivation."
|
---|
[51b73452] | 3430 |
|
---|
| 3431 | array_parameter_1st_dimension:
|
---|
[2871210] | 3432 | '[' ']'
|
---|
[4d51835] | 3433 | { $$ = DeclarationNode::newArray( 0, 0, false ); }
|
---|
[13e8427] | 3434 | // multi_array_dimension handles the '[' '*' ']' case
|
---|
[c0a33d2] | 3435 | | '[' push type_qualifier_list '*' pop ']' // remaining C99
|
---|
| 3436 | { $$ = DeclarationNode::newVarArray( $3 ); }
|
---|
| 3437 | | '[' push type_qualifier_list pop ']'
|
---|
| 3438 | { $$ = DeclarationNode::newArray( 0, $3, false ); }
|
---|
[13e8427] | 3439 | // multi_array_dimension handles the '[' assignment_expression ']' case
|
---|
[c0a33d2] | 3440 | | '[' push type_qualifier_list assignment_expression pop ']'
|
---|
| 3441 | { $$ = DeclarationNode::newArray( $4, $3, false ); }
|
---|
| 3442 | | '[' push STATIC type_qualifier_list_opt assignment_expression pop ']'
|
---|
| 3443 | { $$ = DeclarationNode::newArray( $5, $4, true ); }
|
---|
| 3444 | | '[' push type_qualifier_list STATIC assignment_expression pop ']'
|
---|
| 3445 | { $$ = DeclarationNode::newArray( $5, $3, true ); }
|
---|
[4d51835] | 3446 | ;
|
---|
[b87a5ed] | 3447 |
|
---|
[c0aa336] | 3448 | // This pattern parses a declaration of an abstract variable, but does not allow "int ()" for a function pointer.
|
---|
[c11e31c] | 3449 | //
|
---|
[c0aa336] | 3450 | // struct S {
|
---|
| 3451 | // int;
|
---|
| 3452 | // int *;
|
---|
| 3453 | // int [10];
|
---|
| 3454 | // int (*)();
|
---|
| 3455 | // };
|
---|
[51b73452] | 3456 |
|
---|
| 3457 | variable_abstract_declarator:
|
---|
[4d51835] | 3458 | variable_abstract_ptr
|
---|
| 3459 | | variable_abstract_array attribute_list_opt
|
---|
[1db21619] | 3460 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 3461 | | variable_abstract_function attribute_list_opt
|
---|
[1db21619] | 3462 | { $$ = $1->addQualifiers( $2 ); }
|
---|
[4d51835] | 3463 | ;
|
---|
[51b73452] | 3464 |
|
---|
| 3465 | variable_abstract_ptr:
|
---|
[dd51906] | 3466 | ptrref_operator
|
---|
[ce8c12f] | 3467 | { $$ = DeclarationNode::newPointer( 0, $1 ); }
|
---|
[dd51906] | 3468 | | ptrref_operator type_qualifier_list
|
---|
[ce8c12f] | 3469 | { $$ = DeclarationNode::newPointer( $2, $1 ); }
|
---|
[dd51906] | 3470 | | ptrref_operator variable_abstract_declarator
|
---|
[ce8c12f] | 3471 | { $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[dd51906] | 3472 | | ptrref_operator type_qualifier_list variable_abstract_declarator
|
---|
[ce8c12f] | 3473 | { $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
|
---|
[5e25953] | 3474 | | '(' variable_abstract_ptr ')' attribute_list_opt // redundant parenthesis
|
---|
[c0aa336] | 3475 | { $$ = $2->addQualifiers( $4 ); }
|
---|
[4d51835] | 3476 | ;
|
---|
[51b73452] | 3477 |
|
---|
| 3478 | variable_abstract_array:
|
---|
[4d51835] | 3479 | array_dimension
|
---|
| 3480 | | '(' variable_abstract_ptr ')' array_dimension
|
---|
| 3481 | { $$ = $2->addArray( $4 ); }
|
---|
| 3482 | | '(' variable_abstract_array ')' multi_array_dimension // redundant parenthesis
|
---|
| 3483 | { $$ = $2->addArray( $4 ); }
|
---|
| 3484 | | '(' variable_abstract_array ')' // redundant parenthesis
|
---|
| 3485 | { $$ = $2; }
|
---|
| 3486 | ;
|
---|
[51b73452] | 3487 |
|
---|
| 3488 | variable_abstract_function:
|
---|
[c0a33d2] | 3489 | '(' variable_abstract_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
|
---|
| 3490 | { $$ = $2->addParamList( $6 ); }
|
---|
[4d51835] | 3491 | | '(' variable_abstract_function ')' // redundant parenthesis
|
---|
| 3492 | { $$ = $2; }
|
---|
| 3493 | ;
|
---|
[b87a5ed] | 3494 |
|
---|
[de62360d] | 3495 | // This pattern parses a new-style declaration for a parameter variable or function prototype that is either an
|
---|
| 3496 | // identifier or typedef name and allows the C99 array options, which can only appear in a parameter list.
|
---|
[b87a5ed] | 3497 |
|
---|
[c0aa336] | 3498 | cfa_identifier_parameter_declarator_tuple: // CFA
|
---|
| 3499 | cfa_identifier_parameter_declarator_no_tuple
|
---|
| 3500 | | cfa_abstract_tuple
|
---|
| 3501 | | type_qualifier_list cfa_abstract_tuple
|
---|
[4d51835] | 3502 | { $$ = $2->addQualifiers( $1 ); }
|
---|
| 3503 | ;
|
---|
[b87a5ed] | 3504 |
|
---|
[c0aa336] | 3505 | cfa_identifier_parameter_declarator_no_tuple: // CFA
|
---|
| 3506 | cfa_identifier_parameter_ptr
|
---|
| 3507 | | cfa_identifier_parameter_array
|
---|
[4d51835] | 3508 | ;
|
---|
[b87a5ed] | 3509 |
|
---|
[c0aa336] | 3510 | cfa_identifier_parameter_ptr: // CFA
|
---|
[d0ffed1] | 3511 | // No SUE declaration in parameter list.
|
---|
| 3512 | ptrref_operator type_specifier_nobody
|
---|
[ce8c12f] | 3513 | { $$ = $2->addNewPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[d0ffed1] | 3514 | | type_qualifier_list ptrref_operator type_specifier_nobody
|
---|
[ce8c12f] | 3515 | { $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
|
---|
[c0aa336] | 3516 | | ptrref_operator cfa_abstract_function
|
---|
[ce8c12f] | 3517 | { $$ = $2->addNewPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[c0aa336] | 3518 | | type_qualifier_list ptrref_operator cfa_abstract_function
|
---|
[ce8c12f] | 3519 | { $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
|
---|
[c0aa336] | 3520 | | ptrref_operator cfa_identifier_parameter_declarator_tuple
|
---|
[ce8c12f] | 3521 | { $$ = $2->addNewPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[c0aa336] | 3522 | | type_qualifier_list ptrref_operator cfa_identifier_parameter_declarator_tuple
|
---|
[ce8c12f] | 3523 | { $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
|
---|
[4d51835] | 3524 | ;
|
---|
[b87a5ed] | 3525 |
|
---|
[c0aa336] | 3526 | cfa_identifier_parameter_array: // CFA
|
---|
[de62360d] | 3527 | // Only the first dimension can be empty or have qualifiers. Empty dimension must be factored out due to
|
---|
| 3528 | // shift/reduce conflict with new-style empty (void) function return type.
|
---|
[d0ffed1] | 3529 | '[' ']' type_specifier_nobody
|
---|
[2871210] | 3530 | { $$ = $3->addNewArray( DeclarationNode::newArray( 0, 0, false ) ); }
|
---|
[d0ffed1] | 3531 | | cfa_array_parameter_1st_dimension type_specifier_nobody
|
---|
[4d51835] | 3532 | { $$ = $2->addNewArray( $1 ); }
|
---|
[d0ffed1] | 3533 | | '[' ']' multi_array_dimension type_specifier_nobody
|
---|
[2871210] | 3534 | { $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( 0, 0, false ) ); }
|
---|
[d0ffed1] | 3535 | | cfa_array_parameter_1st_dimension multi_array_dimension type_specifier_nobody
|
---|
[4d51835] | 3536 | { $$ = $3->addNewArray( $2 )->addNewArray( $1 ); }
|
---|
[d0ffed1] | 3537 | | multi_array_dimension type_specifier_nobody
|
---|
[4d51835] | 3538 | { $$ = $2->addNewArray( $1 ); }
|
---|
[9059213] | 3539 |
|
---|
[c0aa336] | 3540 | | '[' ']' cfa_identifier_parameter_ptr
|
---|
[2871210] | 3541 | { $$ = $3->addNewArray( DeclarationNode::newArray( 0, 0, false ) ); }
|
---|
[c0aa336] | 3542 | | cfa_array_parameter_1st_dimension cfa_identifier_parameter_ptr
|
---|
[4d51835] | 3543 | { $$ = $2->addNewArray( $1 ); }
|
---|
[c0aa336] | 3544 | | '[' ']' multi_array_dimension cfa_identifier_parameter_ptr
|
---|
[2871210] | 3545 | { $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( 0, 0, false ) ); }
|
---|
[c0aa336] | 3546 | | cfa_array_parameter_1st_dimension multi_array_dimension cfa_identifier_parameter_ptr
|
---|
[4d51835] | 3547 | { $$ = $3->addNewArray( $2 )->addNewArray( $1 ); }
|
---|
[c0aa336] | 3548 | | multi_array_dimension cfa_identifier_parameter_ptr
|
---|
[4d51835] | 3549 | { $$ = $2->addNewArray( $1 ); }
|
---|
| 3550 | ;
|
---|
[51b73452] | 3551 |
|
---|
[c0aa336] | 3552 | cfa_array_parameter_1st_dimension:
|
---|
[c0a33d2] | 3553 | '[' push type_qualifier_list '*' pop ']' // remaining C99
|
---|
| 3554 | { $$ = DeclarationNode::newVarArray( $3 ); }
|
---|
| 3555 | | '[' push type_qualifier_list assignment_expression pop ']'
|
---|
| 3556 | { $$ = DeclarationNode::newArray( $4, $3, false ); }
|
---|
| 3557 | | '[' push declaration_qualifier_list assignment_expression pop ']'
|
---|
[4d51835] | 3558 | // declaration_qualifier_list must be used because of shift/reduce conflict with
|
---|
| 3559 | // assignment_expression, so a semantic check is necessary to preclude them as a type_qualifier cannot
|
---|
| 3560 | // appear in this context.
|
---|
[c0a33d2] | 3561 | { $$ = DeclarationNode::newArray( $4, $3, true ); }
|
---|
| 3562 | | '[' push declaration_qualifier_list type_qualifier_list assignment_expression pop ']'
|
---|
| 3563 | { $$ = DeclarationNode::newArray( $5, $4->addQualifiers( $3 ), true ); }
|
---|
[4d51835] | 3564 | ;
|
---|
[b87a5ed] | 3565 |
|
---|
[de62360d] | 3566 | // This pattern parses a new-style declaration of an abstract variable or function prototype, i.e., there is no
|
---|
| 3567 | // identifier to which the type applies, e.g.:
|
---|
[c11e31c] | 3568 | //
|
---|
[b87a5ed] | 3569 | // [int] f( int ); // abstract variable parameter; no parameter name specified
|
---|
| 3570 | // [int] f( [int] (int) ); // abstract function-prototype parameter; no parameter name specified
|
---|
[c11e31c] | 3571 | //
|
---|
| 3572 | // These rules need LR(3):
|
---|
| 3573 | //
|
---|
[c0aa336] | 3574 | // cfa_abstract_tuple identifier_or_type_name
|
---|
[40de461] | 3575 | // '[' cfa_parameter_list ']' identifier_or_type_name '(' cfa_parameter_ellipsis_list_opt ')'
|
---|
[c11e31c] | 3576 | //
|
---|
| 3577 | // since a function return type can be syntactically identical to a tuple type:
|
---|
| 3578 | //
|
---|
[b87a5ed] | 3579 | // [int, int] t;
|
---|
| 3580 | // [int, int] f( int );
|
---|
[c11e31c] | 3581 | //
|
---|
[2871210] | 3582 | // Therefore, it is necessary to look at the token after identifier_or_type_name to know when to reduce
|
---|
[c0aa336] | 3583 | // cfa_abstract_tuple. To make this LR(1), several rules have to be flattened (lengthened) to allow the necessary
|
---|
| 3584 | // lookahead. To accomplish this, cfa_abstract_declarator has an entry point without tuple, and tuple declarations are
|
---|
| 3585 | // duplicated when appearing with cfa_function_specifier.
|
---|
[b87a5ed] | 3586 |
|
---|
[c0aa336] | 3587 | cfa_abstract_declarator_tuple: // CFA
|
---|
| 3588 | cfa_abstract_tuple
|
---|
| 3589 | | type_qualifier_list cfa_abstract_tuple
|
---|
[4d51835] | 3590 | { $$ = $2->addQualifiers( $1 ); }
|
---|
[c0aa336] | 3591 | | cfa_abstract_declarator_no_tuple
|
---|
[4d51835] | 3592 | ;
|
---|
[b87a5ed] | 3593 |
|
---|
[c0aa336] | 3594 | cfa_abstract_declarator_no_tuple: // CFA
|
---|
| 3595 | cfa_abstract_ptr
|
---|
| 3596 | | cfa_abstract_array
|
---|
[4d51835] | 3597 | ;
|
---|
[b87a5ed] | 3598 |
|
---|
[c0aa336] | 3599 | cfa_abstract_ptr: // CFA
|
---|
[dd51906] | 3600 | ptrref_operator type_specifier
|
---|
[ce8c12f] | 3601 | { $$ = $2->addNewPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[dd51906] | 3602 | | type_qualifier_list ptrref_operator type_specifier
|
---|
[ce8c12f] | 3603 | { $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
|
---|
[c0aa336] | 3604 | | ptrref_operator cfa_abstract_function
|
---|
[ce8c12f] | 3605 | { $$ = $2->addNewPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[c0aa336] | 3606 | | type_qualifier_list ptrref_operator cfa_abstract_function
|
---|
[ce8c12f] | 3607 | { $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
|
---|
[c0aa336] | 3608 | | ptrref_operator cfa_abstract_declarator_tuple
|
---|
[ce8c12f] | 3609 | { $$ = $2->addNewPointer( DeclarationNode::newPointer( 0, $1 ) ); }
|
---|
[c0aa336] | 3610 | | type_qualifier_list ptrref_operator cfa_abstract_declarator_tuple
|
---|
[ce8c12f] | 3611 | { $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
|
---|
[4d51835] | 3612 | ;
|
---|
[b87a5ed] | 3613 |
|
---|
[c0aa336] | 3614 | cfa_abstract_array: // CFA
|
---|
[de62360d] | 3615 | // Only the first dimension can be empty. Empty dimension must be factored out due to shift/reduce conflict with
|
---|
| 3616 | // empty (void) function return type.
|
---|
[2871210] | 3617 | '[' ']' type_specifier
|
---|
[2298f728] | 3618 | { $$ = $3->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
|
---|
[2871210] | 3619 | | '[' ']' multi_array_dimension type_specifier
|
---|
[2298f728] | 3620 | { $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
|
---|
[4d51835] | 3621 | | multi_array_dimension type_specifier
|
---|
| 3622 | { $$ = $2->addNewArray( $1 ); }
|
---|
[c0aa336] | 3623 | | '[' ']' cfa_abstract_ptr
|
---|
[2298f728] | 3624 | { $$ = $3->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
|
---|
[c0aa336] | 3625 | | '[' ']' multi_array_dimension cfa_abstract_ptr
|
---|
[2298f728] | 3626 | { $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
|
---|
[c0aa336] | 3627 | | multi_array_dimension cfa_abstract_ptr
|
---|
[4d51835] | 3628 | { $$ = $2->addNewArray( $1 ); }
|
---|
| 3629 | ;
|
---|
[b87a5ed] | 3630 |
|
---|
[c0aa336] | 3631 | cfa_abstract_tuple: // CFA
|
---|
[c0a33d2] | 3632 | '[' push cfa_abstract_parameter_list pop ']'
|
---|
| 3633 | { $$ = DeclarationNode::newTuple( $3 ); }
|
---|
[35718a9] | 3634 | | '[' push type_specifier_nobody ELLIPSIS pop ']'
|
---|
[13e8427] | 3635 | { SemanticError( yylloc, "Tuple array currently unimplemented." ); $$ = nullptr; }
|
---|
[35718a9] | 3636 | | '[' push type_specifier_nobody ELLIPSIS constant_expression pop ']'
|
---|
[13e8427] | 3637 | { SemanticError( yylloc, "Tuple array currently unimplemented." ); $$ = nullptr; }
|
---|
[4d51835] | 3638 | ;
|
---|
[b87a5ed] | 3639 |
|
---|
[c0aa336] | 3640 | cfa_abstract_function: // CFA
|
---|
[40de461] | 3641 | // '[' ']' '(' cfa_parameter_ellipsis_list_opt ')'
|
---|
[1b29996] | 3642 | // { $$ = DeclarationNode::newFunction( nullptr, DeclarationNode::newTuple( nullptr ), $4, nullptr ); }
|
---|
[40de461] | 3643 | cfa_abstract_tuple '(' push cfa_parameter_ellipsis_list_opt pop ')'
|
---|
[c0a33d2] | 3644 | { $$ = DeclarationNode::newFunction( nullptr, $1, $4, nullptr ); }
|
---|
[40de461] | 3645 | | cfa_function_return '(' push cfa_parameter_ellipsis_list_opt pop ')'
|
---|
[c0a33d2] | 3646 | { $$ = DeclarationNode::newFunction( nullptr, $1, $4, nullptr ); }
|
---|
[4d51835] | 3647 | ;
|
---|
[b87a5ed] | 3648 |
|
---|
[de62360d] | 3649 | // 1) ISO/IEC 9899:1999 Section 6.7.2(2) : "At least one type specifier shall be given in the declaration specifiers in
|
---|
| 3650 | // each declaration, and in the specifier-qualifier list in each structure declaration and type name."
|
---|
[c11e31c] | 3651 | //
|
---|
[de62360d] | 3652 | // 2) ISO/IEC 9899:1999 Section 6.11.5(1) : "The placement of a storage-class specifier other than at the beginning of
|
---|
| 3653 | // the declaration specifiers in a declaration is an obsolescent feature."
|
---|
[c11e31c] | 3654 | //
|
---|
| 3655 | // 3) ISO/IEC 9899:1999 Section 6.11.6(1) : "The use of function declarators with empty parentheses (not
|
---|
| 3656 | // prototype-format parameter type declarators) is an obsolescent feature."
|
---|
| 3657 | //
|
---|
[de62360d] | 3658 | // 4) ISO/IEC 9899:1999 Section 6.11.7(1) : "The use of function definitions with separate parameter identifier and
|
---|
| 3659 | // declaration lists (not prototype-format parameter type and identifier declarators) is an obsolescent feature.
|
---|
[51b73452] | 3660 |
|
---|
[c11e31c] | 3661 | //************************* MISCELLANEOUS ********************************
|
---|
[51b73452] | 3662 |
|
---|
[b87a5ed] | 3663 | comma_opt: // redundant comma
|
---|
[4d51835] | 3664 | // empty
|
---|
| 3665 | | ','
|
---|
| 3666 | ;
|
---|
[51b73452] | 3667 |
|
---|
[5a51798] | 3668 | default_initializer_opt:
|
---|
[4d51835] | 3669 | // empty
|
---|
[58dd019] | 3670 | { $$ = nullptr; }
|
---|
[4d51835] | 3671 | | '=' assignment_expression
|
---|
| 3672 | { $$ = $2; }
|
---|
| 3673 | ;
|
---|
[51b73452] | 3674 |
|
---|
| 3675 | %%
|
---|
[a1c9ddd] | 3676 |
|
---|
[c11e31c] | 3677 | // ----end of grammar----
|
---|
[51b73452] | 3678 |
|
---|
[c11e31c] | 3679 | // Local Variables: //
|
---|
[b87a5ed] | 3680 | // mode: c++ //
|
---|
[de62360d] | 3681 | // tab-width: 4 //
|
---|
[c11e31c] | 3682 | // compile-command: "make install" //
|
---|
| 3683 | // End: //
|
---|