[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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[974906e2] | 7 | // DeclarationNode.cc -- |
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[b87a5ed] | 8 | // |
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| 9 | // Author : Rodolfo G. Esteves |
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| 10 | // Created On : Sat May 16 12:34:05 2015 |
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[8e9cbb2] | 11 | // Last Modified By : Peter A. Buhr |
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[c3396e0] | 12 | // Last Modified On : Tue Mar 7 17:28:56 2017 |
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| 13 | // Update Count : 937 |
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[b87a5ed] | 14 | // |
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| 15 | |
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[51b7345] | 16 | #include <string> |
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| 17 | #include <list> |
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| 18 | #include <iterator> |
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| 19 | #include <algorithm> |
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| 20 | #include <cassert> |
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[a7c90d4] | 21 | #include <strings.h> // ffs |
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[51b7345] | 22 | |
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| 23 | #include "TypeData.h" |
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[bdd516a] | 24 | |
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[44a81853] | 25 | #include "SynTree/Attribute.h" |
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[68cd1ce] | 26 | #include "SynTree/Declaration.h" |
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| 27 | #include "SynTree/Expression.h" |
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[51b7345] | 28 | |
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[de62360d] | 29 | #include "TypedefTable.h" |
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| 30 | extern TypedefTable typedefTable; |
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| 31 | |
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[51b7345] | 32 | using namespace std; |
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| 33 | |
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[bdd516a] | 34 | // These must remain in the same order as the corresponding DeclarationNode enumerations. |
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[a7c90d4] | 35 | const char * DeclarationNode::storageClassNames[] = { "extern", "static", "auto", "register", "_Thread_local", "NoStorageClassNames" }; |
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[dd020c0] | 36 | const char * DeclarationNode::funcSpecifierNames[] = { "inline", "fortran", "_Noreturn", "NoFunctionSpecifierNames" }; |
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[a7c90d4] | 37 | const char * DeclarationNode::typeQualifierNames[] = { "const", "restrict", "volatile", "lvalue", "mutex", "_Atomic", "NoTypeQualifierNames" }; |
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[dd020c0] | 38 | const char * DeclarationNode::basicTypeNames[] = { "void", "_Bool", "char", "int", "float", "double", "long double", "NoBasicTypeNames" }; |
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| 39 | const char * DeclarationNode::complexTypeNames[] = { "_Complex", "_Imaginary", "NoComplexTypeNames" }; |
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| 40 | const char * DeclarationNode::signednessNames[] = { "signed", "unsigned", "NoSignednessNames" }; |
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| 41 | const char * DeclarationNode::lengthNames[] = { "short", "long", "long long", "NoLengthNames" }; |
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| 42 | const char * DeclarationNode::aggregateNames[] = { "struct", "union", "context", "NoAggregateNames" }; |
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| 43 | const char * DeclarationNode::typeClassNames[] = { "otype", "dtype", "ftype", "NoTypeClassNames" }; |
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| 44 | const char * DeclarationNode::builtinTypeNames[] = { "__builtin_va_list", "NoBuiltinTypeNames" }; |
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[51b7345] | 45 | |
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| 46 | UniqueName DeclarationNode::anonymous( "__anonymous" ); |
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| 47 | |
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[8b7ee09] | 48 | extern LinkageSpec::Spec linkage; // defined in parser.yy |
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[51b7345] | 49 | |
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[7d05e7e] | 50 | DeclarationNode::DeclarationNode() : |
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[2298f728] | 51 | type( nullptr ), |
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[58dd019] | 52 | bitfieldWidth( nullptr ), |
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[7d05e7e] | 53 | hasEllipsis( false ), |
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| 54 | linkage( ::linkage ), |
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[58dd019] | 55 | asmName( nullptr ), |
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| 56 | initializer( nullptr ), |
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[e994912] | 57 | extension( false ), |
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| 58 | asmStmt( nullptr ) { |
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[2298f728] | 59 | |
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[faddbd8] | 60 | // variable.name = nullptr; |
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| 61 | variable.tyClass = NoTypeClass; |
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[28307be] | 62 | variable.assertions = nullptr; |
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[7d05e7e] | 63 | |
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[faddbd8] | 64 | // attr.name = nullptr; |
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[7d05e7e] | 65 | attr.expr = nullptr; |
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| 66 | attr.type = nullptr; |
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[28307be] | 67 | } |
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| 68 | |
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| 69 | DeclarationNode::~DeclarationNode() { |
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[faddbd8] | 70 | // delete attr.name; |
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[28307be] | 71 | delete attr.expr; |
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| 72 | delete attr.type; |
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[2298f728] | 73 | |
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[faddbd8] | 74 | // delete variable.name; |
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[2298f728] | 75 | delete variable.assertions; |
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| 76 | |
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[28307be] | 77 | delete type; |
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| 78 | delete bitfieldWidth; |
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[e994912] | 79 | |
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| 80 | delete asmStmt; |
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[58dd019] | 81 | // asmName, no delete, passed to next stage |
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[28307be] | 82 | delete initializer; |
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| 83 | } |
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| 84 | |
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[ba7aa2d] | 85 | DeclarationNode * DeclarationNode::clone() const { |
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| 86 | DeclarationNode * newnode = new DeclarationNode; |
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[c0aa336] | 87 | newnode->set_next( maybeClone( get_next() ) ); |
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[2298f728] | 88 | newnode->name = name ? new string( *name ) : nullptr; |
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[c0aa336] | 89 | |
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| 90 | newnode->type = maybeClone( type ); |
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[a7c90d4] | 91 | newnode->storageClasses = storageClasses; |
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[c0aa336] | 92 | newnode->bitfieldWidth = maybeClone( bitfieldWidth ); |
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[a7c90d4] | 93 | newnode->funcSpecs = funcSpecs; |
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[c0aa336] | 94 | newnode->enumeratorValue.reset( maybeClone( enumeratorValue.get() ) ); |
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[b87a5ed] | 95 | newnode->hasEllipsis = hasEllipsis; |
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| 96 | newnode->linkage = linkage; |
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[58dd019] | 97 | newnode->asmName = maybeClone( asmName ); |
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[c0aa336] | 98 | cloneAll( attributes, newnode->attributes ); |
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| 99 | newnode->initializer = maybeClone( initializer ); |
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| 100 | newnode->extension = extension; |
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[e994912] | 101 | newnode->asmStmt = maybeClone( asmStmt ); |
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[c0aa336] | 102 | newnode->error = error; |
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[3848e0e] | 103 | |
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[faddbd8] | 104 | // newnode->variable.name = variable.name ? new string( *variable.name ) : nullptr; |
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[28307be] | 105 | newnode->variable.tyClass = variable.tyClass; |
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[fb114fa1] | 106 | newnode->variable.assertions = maybeClone( variable.assertions ); |
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[3848e0e] | 107 | |
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[faddbd8] | 108 | // newnode->attr.name = attr.name ? new string( *attr.name ) : nullptr; |
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[28307be] | 109 | newnode->attr.expr = maybeClone( attr.expr ); |
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| 110 | newnode->attr.type = maybeClone( attr.type ); |
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| 111 | return newnode; |
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| 112 | } // DeclarationNode::clone |
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[3848e0e] | 113 | |
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| 114 | bool DeclarationNode::get_hasEllipsis() const { |
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[b87a5ed] | 115 | return hasEllipsis; |
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[3848e0e] | 116 | } |
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| 117 | |
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[a7c90d4] | 118 | void DeclarationNode::print_StorageClass( std::ostream & output, StorageClasses storageClasses ) { |
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| 119 | if ( storageClasses.any() ) { // function specifiers? |
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| 120 | for ( unsigned int i = 0; i < DeclarationNode::NoStorageClass; i += 1 ) { |
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| 121 | if ( storageClasses[i] ) { |
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| 122 | output << DeclarationNode::storageClassNames[i] << ' '; |
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| 123 | } // if |
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| 124 | } // for |
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| 125 | } // if |
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| 126 | } // print_StorageClass |
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| 127 | |
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| 128 | void DeclarationNode::print_FuncSpec( std::ostream & output, DeclarationNode::FuncSpecifiers funcSpec ) { |
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[dd020c0] | 129 | if ( funcSpec.any() ) { // function specifiers? |
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| 130 | for ( unsigned int i = 0; i < DeclarationNode::NoFuncSpecifier; i += 1 ) { |
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| 131 | if ( funcSpec[i] ) { |
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| 132 | output << DeclarationNode::funcSpecifierNames[i] << ' '; |
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| 133 | } // if |
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| 134 | } // for |
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| 135 | } // if |
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| 136 | } // print_FuncSpec |
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| 137 | |
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[3848e0e] | 138 | void DeclarationNode::print( std::ostream &os, int indent ) const { |
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[59db689] | 139 | os << string( indent, ' ' ); |
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[2298f728] | 140 | if ( name ) { |
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| 141 | os << *name << ": "; |
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[b87a5ed] | 142 | } else { |
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[2298f728] | 143 | os << "unnamed: "; |
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[68cd1ce] | 144 | } // if |
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[51b7345] | 145 | |
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[b87a5ed] | 146 | if ( linkage != LinkageSpec::Cforall ) { |
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[faddbd8] | 147 | os << LinkageSpec::linkageName( linkage ) << " "; |
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[68cd1ce] | 148 | } // if |
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[3848e0e] | 149 | |
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[a7c90d4] | 150 | print_StorageClass( os, storageClasses ); |
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| 151 | print_FuncSpec( os, funcSpecs ); |
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[dd020c0] | 152 | |
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[b87a5ed] | 153 | if ( type ) { |
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| 154 | type->print( os, indent ); |
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| 155 | } else { |
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| 156 | os << "untyped entity "; |
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[68cd1ce] | 157 | } // if |
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[3848e0e] | 158 | |
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[b87a5ed] | 159 | if ( bitfieldWidth ) { |
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[59db689] | 160 | os << endl << string( indent + 2, ' ' ) << "with bitfield width "; |
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[b87a5ed] | 161 | bitfieldWidth->printOneLine( os ); |
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[68cd1ce] | 162 | } // if |
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[3848e0e] | 163 | |
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[2298f728] | 164 | if ( initializer ) { |
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[59db689] | 165 | os << endl << string( indent + 2, ' ' ) << "with initializer "; |
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[b87a5ed] | 166 | initializer->printOneLine( os ); |
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[974906e2] | 167 | os << " maybe constructed? " << initializer->get_maybeConstructed(); |
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| 168 | |
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[68cd1ce] | 169 | } // if |
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[3848e0e] | 170 | |
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[b87a5ed] | 171 | os << endl; |
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[51b7345] | 172 | } |
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| 173 | |
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[3848e0e] | 174 | void DeclarationNode::printList( std::ostream &os, int indent ) const { |
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[b87a5ed] | 175 | ParseNode::printList( os, indent ); |
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| 176 | if ( hasEllipsis ) { |
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| 177 | os << string( indent, ' ' ) << "and a variable number of other arguments" << endl; |
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[68cd1ce] | 178 | } // if |
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[51b7345] | 179 | } |
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| 180 | |
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[fb114fa1] | 181 | DeclarationNode * DeclarationNode::newFunction( string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body, bool newStyle ) { |
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[ba7aa2d] | 182 | DeclarationNode * newnode = new DeclarationNode; |
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[2298f728] | 183 | newnode->name = name; |
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[b87a5ed] | 184 | newnode->type = new TypeData( TypeData::Function ); |
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[8f6f47d7] | 185 | newnode->type->function.params = param; |
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| 186 | newnode->type->function.newStyle = newStyle; |
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| 187 | newnode->type->function.body = body; |
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[c0aa336] | 188 | |
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[2298f728] | 189 | // ignore unnamed routine declarations: void p( int (*)(int) ); |
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| 190 | if ( newnode->name ) { |
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| 191 | typedefTable.addToEnclosingScope( *newnode->name, TypedefTable::ID ); |
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| 192 | } // if |
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[3848e0e] | 193 | |
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[b87a5ed] | 194 | if ( ret ) { |
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| 195 | newnode->type->base = ret->type; |
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[2298f728] | 196 | ret->type = nullptr; |
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[b87a5ed] | 197 | delete ret; |
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[68cd1ce] | 198 | } // if |
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[51b7345] | 199 | |
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[b87a5ed] | 200 | return newnode; |
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[984dce6] | 201 | } // DeclarationNode::newFunction |
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[3848e0e] | 202 | |
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[dd020c0] | 203 | |
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| 204 | DeclarationNode * DeclarationNode::newStorageClass( DeclarationNode::StorageClass sc ) { |
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[ba7aa2d] | 205 | DeclarationNode * newnode = new DeclarationNode; |
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[a7c90d4] | 206 | newnode->storageClasses[ sc ] = true; |
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[b87a5ed] | 207 | return newnode; |
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[dd020c0] | 208 | } // DeclarationNode::newStorageClass |
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[3848e0e] | 209 | |
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[dd020c0] | 210 | DeclarationNode * DeclarationNode::newFuncSpecifier( DeclarationNode::FuncSpecifier fs ) { |
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[ba7aa2d] | 211 | DeclarationNode * newnode = new DeclarationNode; |
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[a7c90d4] | 212 | newnode->funcSpecs[ fs ] = true; |
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[c1c1112] | 213 | return newnode; |
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[dd020c0] | 214 | } // DeclarationNode::newFuncSpecifier |
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[c1c1112] | 215 | |
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[dd020c0] | 216 | DeclarationNode * DeclarationNode::newTypeQualifier( TypeQualifier tq ) { |
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[ba7aa2d] | 217 | DeclarationNode * newnode = new DeclarationNode; |
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[dd020c0] | 218 | newnode->type = new TypeData(); |
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| 219 | newnode->type->typeQualifiers[ tq ] = true; |
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[b87a5ed] | 220 | return newnode; |
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[dd020c0] | 221 | } // DeclarationNode::newQualifier |
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[3848e0e] | 222 | |
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[c1c1112] | 223 | DeclarationNode * DeclarationNode::newBasicType( BasicType bt ) { |
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[ba7aa2d] | 224 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 225 | newnode->type = new TypeData( TypeData::Basic ); |
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[5b639ee] | 226 | newnode->type->basictype = bt; |
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[b87a5ed] | 227 | return newnode; |
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[984dce6] | 228 | } // DeclarationNode::newBasicType |
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[3848e0e] | 229 | |
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[5b639ee] | 230 | DeclarationNode * DeclarationNode::newComplexType( ComplexType ct ) { |
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[ba7aa2d] | 231 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 232 | newnode->type = new TypeData( TypeData::Basic ); |
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[5b639ee] | 233 | newnode->type->complextype = ct; |
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[b87a5ed] | 234 | return newnode; |
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[5b639ee] | 235 | } // DeclarationNode::newComplexType |
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| 236 | |
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| 237 | DeclarationNode * DeclarationNode::newSignedNess( Signedness sn ) { |
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[ba7aa2d] | 238 | DeclarationNode * newnode = new DeclarationNode; |
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[5b639ee] | 239 | newnode->type = new TypeData( TypeData::Basic ); |
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| 240 | newnode->type->signedness = sn; |
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| 241 | return newnode; |
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| 242 | } // DeclarationNode::newSignedNess |
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| 243 | |
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| 244 | DeclarationNode * DeclarationNode::newLength( Length lnth ) { |
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[ba7aa2d] | 245 | DeclarationNode * newnode = new DeclarationNode; |
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[5b639ee] | 246 | newnode->type = new TypeData( TypeData::Basic ); |
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| 247 | newnode->type->length = lnth; |
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| 248 | return newnode; |
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| 249 | } // DeclarationNode::newLength |
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[3848e0e] | 250 | |
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[dd020c0] | 251 | DeclarationNode * DeclarationNode::newForall( DeclarationNode * forall ) { |
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| 252 | DeclarationNode * newnode = new DeclarationNode; |
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| 253 | newnode->type = new TypeData( TypeData::Unknown ); |
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| 254 | newnode->type->forall = forall; |
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| 255 | return newnode; |
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| 256 | } // DeclarationNode::newForall |
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| 257 | |
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[fb114fa1] | 258 | DeclarationNode * DeclarationNode::newFromTypedef( string * name ) { |
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[ba7aa2d] | 259 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 260 | newnode->type = new TypeData( TypeData::SymbolicInst ); |
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[fb114fa1] | 261 | newnode->type->symbolic.name = name; |
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[8f6f47d7] | 262 | newnode->type->symbolic.isTypedef = true; |
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[2298f728] | 263 | newnode->type->symbolic.params = nullptr; |
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[b87a5ed] | 264 | return newnode; |
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[984dce6] | 265 | } // DeclarationNode::newFromTypedef |
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[3848e0e] | 266 | |
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[fb114fa1] | 267 | DeclarationNode * DeclarationNode::newAggregate( Aggregate kind, const string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body ) { |
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[ba7aa2d] | 268 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 269 | newnode->type = new TypeData( TypeData::Aggregate ); |
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[8f6f47d7] | 270 | newnode->type->aggregate.kind = kind; |
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[2298f728] | 271 | if ( name ) { |
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[fb114fa1] | 272 | newnode->type->aggregate.name = name; |
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[2298f728] | 273 | } else { // anonymous aggregate ? |
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| 274 | newnode->type->aggregate.name = new string( anonymous.newName() ); |
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[8f6f47d7] | 275 | } // if |
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| 276 | newnode->type->aggregate.actuals = actuals; |
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| 277 | newnode->type->aggregate.fields = fields; |
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| 278 | newnode->type->aggregate.body = body; |
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[b87a5ed] | 279 | return newnode; |
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[984dce6] | 280 | } // DeclarationNode::newAggregate |
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[3848e0e] | 281 | |
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[ca1a547] | 282 | DeclarationNode * DeclarationNode::newEnum( string * name, DeclarationNode * constants, bool body ) { |
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[ba7aa2d] | 283 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 284 | newnode->type = new TypeData( TypeData::Enum ); |
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[2298f728] | 285 | if ( name ) { |
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[fb114fa1] | 286 | newnode->type->enumeration.name = name; |
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[2298f728] | 287 | } else { // anonymous aggregate ? |
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| 288 | newnode->type->enumeration.name = new string( anonymous.newName() ); |
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[68cd1ce] | 289 | } // if |
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[8f6f47d7] | 290 | newnode->type->enumeration.constants = constants; |
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[ca1a547] | 291 | newnode->type->enumeration.body = body; |
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[b87a5ed] | 292 | return newnode; |
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[984dce6] | 293 | } // DeclarationNode::newEnum |
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[3848e0e] | 294 | |
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[fb114fa1] | 295 | DeclarationNode * DeclarationNode::newEnumConstant( string * name, ExpressionNode * constant ) { |
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[ba7aa2d] | 296 | DeclarationNode * newnode = new DeclarationNode; |
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[2298f728] | 297 | newnode->name = name; |
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[4f147cc] | 298 | newnode->enumeratorValue.reset( constant ); |
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[2298f728] | 299 | typedefTable.addToEnclosingScope( *newnode->name, TypedefTable::ID ); |
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[b87a5ed] | 300 | return newnode; |
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[984dce6] | 301 | } // DeclarationNode::newEnumConstant |
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[3848e0e] | 302 | |
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[fb114fa1] | 303 | DeclarationNode * DeclarationNode::newName( string * name ) { |
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[ba7aa2d] | 304 | DeclarationNode * newnode = new DeclarationNode; |
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[2298f728] | 305 | newnode->name = name; |
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[b87a5ed] | 306 | return newnode; |
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[984dce6] | 307 | } // DeclarationNode::newName |
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[3848e0e] | 308 | |
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[fb114fa1] | 309 | DeclarationNode * DeclarationNode::newFromTypeGen( string * name, ExpressionNode * params ) { |
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[ba7aa2d] | 310 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 311 | newnode->type = new TypeData( TypeData::SymbolicInst ); |
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[fb114fa1] | 312 | newnode->type->symbolic.name = name; |
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[8f6f47d7] | 313 | newnode->type->symbolic.isTypedef = false; |
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| 314 | newnode->type->symbolic.actuals = params; |
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[b87a5ed] | 315 | return newnode; |
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[984dce6] | 316 | } // DeclarationNode::newFromTypeGen |
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[3848e0e] | 317 | |
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[fb114fa1] | 318 | DeclarationNode * DeclarationNode::newTypeParam( TypeClass tc, string * name ) { |
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[ba7aa2d] | 319 | DeclarationNode * newnode = new DeclarationNode; |
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[2298f728] | 320 | newnode->type = nullptr; |
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[148f7290] | 321 | assert( ! newnode->name ); |
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[faddbd8] | 322 | // newnode->variable.name = name; |
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| 323 | newnode->name = name; |
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[28307be] | 324 | newnode->variable.tyClass = tc; |
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[faddbd8] | 325 | newnode->variable.assertions = nullptr; |
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[b87a5ed] | 326 | return newnode; |
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[984dce6] | 327 | } // DeclarationNode::newTypeParam |
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[3848e0e] | 328 | |
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[fb114fa1] | 329 | DeclarationNode * DeclarationNode::newTrait( const string * name, DeclarationNode * params, DeclarationNode * asserts ) { |
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[ba7aa2d] | 330 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 331 | newnode->type = new TypeData( TypeData::Aggregate ); |
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[2298f728] | 332 | newnode->type->aggregate.name = name; |
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[8f6f47d7] | 333 | newnode->type->aggregate.kind = Trait; |
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| 334 | newnode->type->aggregate.params = params; |
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| 335 | newnode->type->aggregate.fields = asserts; |
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[b87a5ed] | 336 | return newnode; |
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[984dce6] | 337 | } // DeclarationNode::newTrait |
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[3848e0e] | 338 | |
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[fb114fa1] | 339 | DeclarationNode * DeclarationNode::newTraitUse( const string * name, ExpressionNode * params ) { |
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[ba7aa2d] | 340 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 341 | newnode->type = new TypeData( TypeData::AggregateInst ); |
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[8f6f47d7] | 342 | newnode->type->aggInst.aggregate = new TypeData( TypeData::Aggregate ); |
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| 343 | newnode->type->aggInst.aggregate->aggregate.kind = Trait; |
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[2298f728] | 344 | newnode->type->aggInst.aggregate->aggregate.name = name; |
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[8f6f47d7] | 345 | newnode->type->aggInst.params = params; |
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[b87a5ed] | 346 | return newnode; |
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[984dce6] | 347 | } // DeclarationNode::newTraitUse |
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[3848e0e] | 348 | |
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[fb114fa1] | 349 | DeclarationNode * DeclarationNode::newTypeDecl( string * name, DeclarationNode * typeParams ) { |
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[ba7aa2d] | 350 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 351 | newnode->type = new TypeData( TypeData::Symbolic ); |
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[8f6f47d7] | 352 | newnode->type->symbolic.isTypedef = false; |
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| 353 | newnode->type->symbolic.params = typeParams; |
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[fb114fa1] | 354 | newnode->type->symbolic.name = name; |
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[b87a5ed] | 355 | return newnode; |
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[984dce6] | 356 | } // DeclarationNode::newTypeDecl |
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[3848e0e] | 357 | |
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[ba7aa2d] | 358 | DeclarationNode * DeclarationNode::newPointer( DeclarationNode * qualifiers ) { |
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| 359 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 360 | newnode->type = new TypeData( TypeData::Pointer ); |
---|
[c3396e0] | 361 | if ( qualifiers ) { |
---|
| 362 | return newnode->addQualifiers( qualifiers ); |
---|
| 363 | } else { |
---|
| 364 | return newnode; |
---|
| 365 | } // if |
---|
[984dce6] | 366 | } // DeclarationNode::newPointer |
---|
[3848e0e] | 367 | |
---|
[ba7aa2d] | 368 | DeclarationNode * DeclarationNode::newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic ) { |
---|
| 369 | DeclarationNode * newnode = new DeclarationNode; |
---|
[b87a5ed] | 370 | newnode->type = new TypeData( TypeData::Array ); |
---|
[8f6f47d7] | 371 | newnode->type->array.dimension = size; |
---|
| 372 | newnode->type->array.isStatic = isStatic; |
---|
[2298f728] | 373 | if ( newnode->type->array.dimension == nullptr || newnode->type->array.dimension->isExpressionType<ConstantExpr * >() ) { |
---|
[8f6f47d7] | 374 | newnode->type->array.isVarLen = false; |
---|
[71bd8c6] | 375 | } else { |
---|
[8f6f47d7] | 376 | newnode->type->array.isVarLen = true; |
---|
[71bd8c6] | 377 | } // if |
---|
[b87a5ed] | 378 | return newnode->addQualifiers( qualifiers ); |
---|
[984dce6] | 379 | } // DeclarationNode::newArray |
---|
[3848e0e] | 380 | |
---|
[ba7aa2d] | 381 | DeclarationNode * DeclarationNode::newVarArray( DeclarationNode * qualifiers ) { |
---|
| 382 | DeclarationNode * newnode = new DeclarationNode; |
---|
[b87a5ed] | 383 | newnode->type = new TypeData( TypeData::Array ); |
---|
[2298f728] | 384 | newnode->type->array.dimension = nullptr; |
---|
[8f6f47d7] | 385 | newnode->type->array.isStatic = false; |
---|
| 386 | newnode->type->array.isVarLen = true; |
---|
[b87a5ed] | 387 | return newnode->addQualifiers( qualifiers ); |
---|
[3848e0e] | 388 | } |
---|
| 389 | |
---|
[ba7aa2d] | 390 | DeclarationNode * DeclarationNode::newBitfield( ExpressionNode * size ) { |
---|
| 391 | DeclarationNode * newnode = new DeclarationNode; |
---|
[b87a5ed] | 392 | newnode->bitfieldWidth = size; |
---|
| 393 | return newnode; |
---|
[3848e0e] | 394 | } |
---|
| 395 | |
---|
[ba7aa2d] | 396 | DeclarationNode * DeclarationNode::newTuple( DeclarationNode * members ) { |
---|
| 397 | DeclarationNode * newnode = new DeclarationNode; |
---|
[b87a5ed] | 398 | newnode->type = new TypeData( TypeData::Tuple ); |
---|
[8f6f47d7] | 399 | newnode->type->tuple = members; |
---|
[b87a5ed] | 400 | return newnode; |
---|
[3848e0e] | 401 | } |
---|
| 402 | |
---|
[ba7aa2d] | 403 | DeclarationNode * DeclarationNode::newTypeof( ExpressionNode * expr ) { |
---|
| 404 | DeclarationNode * newnode = new DeclarationNode; |
---|
[b87a5ed] | 405 | newnode->type = new TypeData( TypeData::Typeof ); |
---|
[8f6f47d7] | 406 | newnode->type->typeexpr = expr; |
---|
[b87a5ed] | 407 | return newnode; |
---|
[3848e0e] | 408 | } |
---|
| 409 | |
---|
[8f6f47d7] | 410 | DeclarationNode * DeclarationNode::newBuiltinType( BuiltinType bt ) { |
---|
[ba7aa2d] | 411 | DeclarationNode * newnode = new DeclarationNode; |
---|
[8f6f47d7] | 412 | newnode->type = new TypeData( TypeData::Builtin ); |
---|
| 413 | newnode->builtin = bt; |
---|
[148f7290] | 414 | newnode->type->builtintype = newnode->builtin; |
---|
[8f6f47d7] | 415 | return newnode; |
---|
| 416 | } // DeclarationNode::newBuiltinType |
---|
| 417 | |
---|
[fb114fa1] | 418 | DeclarationNode * DeclarationNode::newAttr( string * name, ExpressionNode * expr ) { |
---|
[ba7aa2d] | 419 | DeclarationNode * newnode = new DeclarationNode; |
---|
[2298f728] | 420 | newnode->type = nullptr; |
---|
[faddbd8] | 421 | // newnode->attr.name = name; |
---|
| 422 | newnode->name = name; |
---|
[28307be] | 423 | newnode->attr.expr = expr; |
---|
[b87a5ed] | 424 | return newnode; |
---|
[3848e0e] | 425 | } |
---|
| 426 | |
---|
[fb114fa1] | 427 | DeclarationNode * DeclarationNode::newAttr( string * name, DeclarationNode * type ) { |
---|
[ba7aa2d] | 428 | DeclarationNode * newnode = new DeclarationNode; |
---|
[2298f728] | 429 | newnode->type = nullptr; |
---|
[faddbd8] | 430 | // newnode->attr.name = name; |
---|
| 431 | newnode->name = name; |
---|
[28307be] | 432 | newnode->attr.type = type; |
---|
[b87a5ed] | 433 | return newnode; |
---|
[3848e0e] | 434 | } |
---|
| 435 | |
---|
[44a81853] | 436 | DeclarationNode * DeclarationNode::newAttribute( string * name, ExpressionNode * expr ) { |
---|
| 437 | DeclarationNode * newnode = new DeclarationNode; |
---|
| 438 | newnode->type = nullptr; |
---|
| 439 | std::list< Expression * > exprs; |
---|
| 440 | buildList( expr, exprs ); |
---|
| 441 | newnode->attributes.push_back( new Attribute( *name, exprs ) ); |
---|
| 442 | delete name; |
---|
| 443 | return newnode; |
---|
| 444 | } |
---|
| 445 | |
---|
[e994912] | 446 | DeclarationNode * DeclarationNode::newAsmStmt( StatementNode * stmt ) { |
---|
| 447 | DeclarationNode * newnode = new DeclarationNode; |
---|
| 448 | newnode->asmStmt = stmt; |
---|
| 449 | return newnode; |
---|
| 450 | } |
---|
| 451 | |
---|
[5b639ee] | 452 | void appendError( string & dst, const string & src ) { |
---|
| 453 | if ( src.empty() ) return; |
---|
| 454 | if ( dst.empty() ) { dst = src; return; } |
---|
| 455 | dst += ", " + src; |
---|
| 456 | } // appendError |
---|
| 457 | |
---|
[ba7aa2d] | 458 | void DeclarationNode::checkQualifiers( const TypeData * src, const TypeData * dst ) { |
---|
[a7c90d4] | 459 | const TypeData::TypeQualifiers qsrc = src->typeQualifiers, qdst = dst->typeQualifiers; // optimization |
---|
[c1c1112] | 460 | |
---|
[a7c90d4] | 461 | if ( (qsrc & qdst).any() ) { // common qualifier ? |
---|
[dd020c0] | 462 | for ( unsigned int i = 0; i < NoTypeQualifier; i += 1 ) { // find common qualifiers |
---|
[5b639ee] | 463 | if ( qsrc[i] && qdst[i] ) { |
---|
[dd020c0] | 464 | appendError( error, string( "duplicate " ) + DeclarationNode::typeQualifierNames[i] ); |
---|
[c1c1112] | 465 | } // if |
---|
| 466 | } // for |
---|
[a7c90d4] | 467 | } // for |
---|
[c1c1112] | 468 | } // DeclarationNode::checkQualifiers |
---|
| 469 | |
---|
[a7c90d4] | 470 | void DeclarationNode::checkSpecifiers( DeclarationNode * src ) { |
---|
| 471 | if ( (funcSpecs & src->funcSpecs).any() ) { // common specifier ? |
---|
[dd020c0] | 472 | for ( unsigned int i = 0; i < NoFuncSpecifier; i += 1 ) { // find common specifier |
---|
[a7c90d4] | 473 | if ( funcSpecs[i] && src->funcSpecs[i] ) { |
---|
[dd020c0] | 474 | appendError( error, string( "duplicate " ) + DeclarationNode::funcSpecifierNames[i] ); |
---|
| 475 | } // if |
---|
| 476 | } // for |
---|
| 477 | } // if |
---|
| 478 | |
---|
[a7c90d4] | 479 | if ( storageClasses != 0 && src->storageClasses != 0 ) { // any reason to check ? |
---|
| 480 | if ( (storageClasses & src->storageClasses).any() ) { // duplicates ? |
---|
| 481 | for ( unsigned int i = 0; i < NoStorageClass; i += 1 ) { // find duplicates |
---|
| 482 | if ( storageClasses[i] && src->storageClasses[i] ) { |
---|
| 483 | appendError( error, string( "duplicate " ) + storageClassNames[i] ); |
---|
| 484 | } // if |
---|
| 485 | } // for |
---|
| 486 | // src is the new item being added and has a single bit |
---|
| 487 | } else if ( ! src->storageClasses[ Threadlocal ] ) { // conflict ? |
---|
| 488 | appendError( error, string( "conflicting " ) + storageClassNames[ffs( storageClasses.to_ulong() ) - 1] + |
---|
| 489 | " & " + storageClassNames[ffs( src->storageClasses.to_ulong() ) - 1] ); |
---|
| 490 | src->storageClasses.reset(); // FIX to preserve invariant of one basic storage specifier |
---|
[b6424d9] | 491 | } // if |
---|
| 492 | } // if |
---|
[dd020c0] | 493 | |
---|
[a7c90d4] | 494 | appendError( error, src->error ); |
---|
| 495 | } // DeclarationNode::checkSpecifiers |
---|
[b6424d9] | 496 | |
---|
[a7c90d4] | 497 | DeclarationNode * DeclarationNode::copySpecifiers( DeclarationNode * q ) { |
---|
| 498 | funcSpecs = funcSpecs | q->funcSpecs; |
---|
| 499 | storageClasses = storageClasses | q->storageClasses; |
---|
[c0aa336] | 500 | |
---|
| 501 | for ( Attribute *attr: reverseIterate( q->attributes ) ) { |
---|
| 502 | attributes.push_front( attr->clone() ); |
---|
| 503 | } // for |
---|
[b6424d9] | 504 | return this; |
---|
[a7c90d4] | 505 | } // DeclarationNode::copySpecifiers |
---|
[b6424d9] | 506 | |
---|
[ba7aa2d] | 507 | static void addQualifiersToType( TypeData *&src, TypeData * dst ) { |
---|
[101e0bd] | 508 | if ( src->forall && dst->kind == TypeData::Function ) { |
---|
| 509 | if ( dst->forall ) { |
---|
| 510 | dst->forall->appendList( src->forall ); |
---|
| 511 | } else { |
---|
| 512 | dst->forall = src->forall; |
---|
| 513 | } // if |
---|
[2298f728] | 514 | src->forall = nullptr; |
---|
[101e0bd] | 515 | } // if |
---|
| 516 | if ( dst->base ) { |
---|
| 517 | addQualifiersToType( src, dst->base ); |
---|
| 518 | } else if ( dst->kind == TypeData::Function ) { |
---|
| 519 | dst->base = src; |
---|
[2298f728] | 520 | src = nullptr; |
---|
[101e0bd] | 521 | } else { |
---|
[dd020c0] | 522 | dst->typeQualifiers |= src->typeQualifiers; |
---|
[101e0bd] | 523 | } // if |
---|
| 524 | } // addQualifiersToType |
---|
| 525 | |
---|
[ba7aa2d] | 526 | DeclarationNode * DeclarationNode::addQualifiers( DeclarationNode * q ) { |
---|
[2298f728] | 527 | if ( ! q ) { delete q; return this; } |
---|
[101e0bd] | 528 | |
---|
[a7c90d4] | 529 | checkSpecifiers( q ); |
---|
| 530 | copySpecifiers( q ); |
---|
[101e0bd] | 531 | |
---|
[1b77274] | 532 | if ( ! q->type ) { |
---|
| 533 | delete q; |
---|
| 534 | return this; |
---|
| 535 | } // if |
---|
[101e0bd] | 536 | |
---|
| 537 | if ( ! type ) { |
---|
[1b77274] | 538 | type = q->type; // reuse this structure |
---|
| 539 | q->type = nullptr; |
---|
| 540 | delete q; |
---|
[101e0bd] | 541 | return this; |
---|
| 542 | } // if |
---|
| 543 | |
---|
| 544 | if ( q->type->forall ) { |
---|
| 545 | if ( type->forall ) { |
---|
| 546 | type->forall->appendList( q->type->forall ); |
---|
| 547 | } else { |
---|
| 548 | if ( type->kind == TypeData::Aggregate ) { |
---|
| 549 | type->aggregate.params = q->type->forall; |
---|
| 550 | // change implicit typedef from TYPEDEFname to TYPEGENname |
---|
[2298f728] | 551 | typedefTable.changeKind( *type->aggregate.name, TypedefTable::TG ); |
---|
[c1c1112] | 552 | } else { |
---|
[101e0bd] | 553 | type->forall = q->type->forall; |
---|
[68cd1ce] | 554 | } // if |
---|
| 555 | } // if |
---|
[2298f728] | 556 | q->type->forall = nullptr; |
---|
[68cd1ce] | 557 | } // if |
---|
[6ef2d81] | 558 | |
---|
[a7c90d4] | 559 | checkQualifiers( type, q->type ); |
---|
[6ef2d81] | 560 | addQualifiersToType( q->type, type ); |
---|
| 561 | |
---|
[b87a5ed] | 562 | delete q; |
---|
| 563 | return this; |
---|
[101e0bd] | 564 | } // addQualifiers |
---|
[3848e0e] | 565 | |
---|
| 566 | static void addTypeToType( TypeData *&src, TypeData *&dst ) { |
---|
[101e0bd] | 567 | if ( src->forall && dst->kind == TypeData::Function ) { |
---|
| 568 | if ( dst->forall ) { |
---|
| 569 | dst->forall->appendList( src->forall ); |
---|
[b87a5ed] | 570 | } else { |
---|
[101e0bd] | 571 | dst->forall = src->forall; |
---|
| 572 | } // if |
---|
[2298f728] | 573 | src->forall = nullptr; |
---|
[101e0bd] | 574 | } // if |
---|
| 575 | if ( dst->base ) { |
---|
| 576 | addTypeToType( src, dst->base ); |
---|
| 577 | } else { |
---|
| 578 | switch ( dst->kind ) { |
---|
| 579 | case TypeData::Unknown: |
---|
[dd020c0] | 580 | src->typeQualifiers |= dst->typeQualifiers; |
---|
[101e0bd] | 581 | dst = src; |
---|
[2298f728] | 582 | src = nullptr; |
---|
[101e0bd] | 583 | break; |
---|
| 584 | case TypeData::Basic: |
---|
[dd020c0] | 585 | dst->typeQualifiers |= src->typeQualifiers; |
---|
[101e0bd] | 586 | if ( src->kind != TypeData::Unknown ) { |
---|
| 587 | assert( src->kind == TypeData::Basic ); |
---|
| 588 | |
---|
| 589 | if ( dst->basictype == DeclarationNode::NoBasicType ) { |
---|
| 590 | dst->basictype = src->basictype; |
---|
| 591 | } else if ( src->basictype != DeclarationNode::NoBasicType ) |
---|
[dd020c0] | 592 | throw SemanticError( string( "conflicting type specifier " ) + DeclarationNode::basicTypeNames[ src->basictype ] + " in type: ", src ); |
---|
[101e0bd] | 593 | |
---|
| 594 | if ( dst->complextype == DeclarationNode::NoComplexType ) { |
---|
| 595 | dst->complextype = src->complextype; |
---|
| 596 | } else if ( src->complextype != DeclarationNode::NoComplexType ) |
---|
[dd020c0] | 597 | throw SemanticError( string( "conflicting type specifier " ) + DeclarationNode::complexTypeNames[ src->complextype ] + " in type: ", src ); |
---|
[101e0bd] | 598 | |
---|
| 599 | if ( dst->signedness == DeclarationNode::NoSignedness ) { |
---|
| 600 | dst->signedness = src->signedness; |
---|
| 601 | } else if ( src->signedness != DeclarationNode::NoSignedness ) |
---|
[dd020c0] | 602 | throw SemanticError( string( "conflicting type specifier " ) + DeclarationNode::signednessNames[ src->signedness ] + " in type: ", src ); |
---|
[101e0bd] | 603 | |
---|
| 604 | if ( dst->length == DeclarationNode::NoLength ) { |
---|
| 605 | dst->length = src->length; |
---|
| 606 | } else if ( dst->length == DeclarationNode::Long && src->length == DeclarationNode::Long ) { |
---|
| 607 | dst->length = DeclarationNode::LongLong; |
---|
| 608 | } else if ( src->length != DeclarationNode::NoLength ) |
---|
[dd020c0] | 609 | throw SemanticError( string( "conflicting type specifier " ) + DeclarationNode::lengthNames[ src->length ] + " in type: ", src ); |
---|
[101e0bd] | 610 | } // if |
---|
| 611 | break; |
---|
| 612 | default: |
---|
| 613 | switch ( src->kind ) { |
---|
| 614 | case TypeData::Aggregate: |
---|
| 615 | case TypeData::Enum: |
---|
| 616 | dst->base = new TypeData( TypeData::AggregateInst ); |
---|
| 617 | dst->base->aggInst.aggregate = src; |
---|
| 618 | if ( src->kind == TypeData::Aggregate ) { |
---|
| 619 | dst->base->aggInst.params = maybeClone( src->aggregate.actuals ); |
---|
[68cd1ce] | 620 | } // if |
---|
[dd020c0] | 621 | dst->base->typeQualifiers |= src->typeQualifiers; |
---|
[2298f728] | 622 | src = nullptr; |
---|
[b87a5ed] | 623 | break; |
---|
| 624 | default: |
---|
[101e0bd] | 625 | if ( dst->forall ) { |
---|
| 626 | dst->forall->appendList( src->forall ); |
---|
| 627 | } else { |
---|
| 628 | dst->forall = src->forall; |
---|
| 629 | } // if |
---|
[2298f728] | 630 | src->forall = nullptr; |
---|
[101e0bd] | 631 | dst->base = src; |
---|
[2298f728] | 632 | src = nullptr; |
---|
[68cd1ce] | 633 | } // switch |
---|
[101e0bd] | 634 | } // switch |
---|
[68cd1ce] | 635 | } // if |
---|
[3848e0e] | 636 | } |
---|
| 637 | |
---|
[ba7aa2d] | 638 | DeclarationNode * DeclarationNode::addType( DeclarationNode * o ) { |
---|
[b87a5ed] | 639 | if ( o ) { |
---|
[a7c90d4] | 640 | checkSpecifiers( o ); |
---|
| 641 | copySpecifiers( o ); |
---|
[b87a5ed] | 642 | if ( o->type ) { |
---|
| 643 | if ( ! type ) { |
---|
| 644 | if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) { |
---|
| 645 | type = new TypeData( TypeData::AggregateInst ); |
---|
[8f6f47d7] | 646 | type->aggInst.aggregate = o->type; |
---|
[b87a5ed] | 647 | if ( o->type->kind == TypeData::Aggregate ) { |
---|
[43c89a7] | 648 | type->aggInst.hoistType = o->type->aggregate.body; |
---|
[8f6f47d7] | 649 | type->aggInst.params = maybeClone( o->type->aggregate.actuals ); |
---|
[43c89a7] | 650 | } else { |
---|
| 651 | type->aggInst.hoistType = o->type->enumeration.body; |
---|
[68cd1ce] | 652 | } // if |
---|
[dd020c0] | 653 | type->typeQualifiers |= o->type->typeQualifiers; |
---|
[b87a5ed] | 654 | } else { |
---|
| 655 | type = o->type; |
---|
[68cd1ce] | 656 | } // if |
---|
[2298f728] | 657 | o->type = nullptr; |
---|
[b87a5ed] | 658 | } else { |
---|
| 659 | addTypeToType( o->type, type ); |
---|
[68cd1ce] | 660 | } // if |
---|
| 661 | } // if |
---|
[b87a5ed] | 662 | if ( o->bitfieldWidth ) { |
---|
| 663 | bitfieldWidth = o->bitfieldWidth; |
---|
[68cd1ce] | 664 | } // if |
---|
[71bd8c6] | 665 | |
---|
| 666 | // there may be typedefs chained onto the type |
---|
[1d4580a] | 667 | if ( o->get_next() ) { |
---|
| 668 | set_last( o->get_next()->clone() ); |
---|
[1db21619] | 669 | } // if |
---|
[68cd1ce] | 670 | } // if |
---|
[b87a5ed] | 671 | delete o; |
---|
| 672 | return this; |
---|
[3848e0e] | 673 | } |
---|
| 674 | |
---|
[ba7aa2d] | 675 | DeclarationNode * DeclarationNode::addTypedef() { |
---|
| 676 | TypeData * newtype = new TypeData( TypeData::Symbolic ); |
---|
[2298f728] | 677 | newtype->symbolic.params = nullptr; |
---|
[8f6f47d7] | 678 | newtype->symbolic.isTypedef = true; |
---|
[2298f728] | 679 | newtype->symbolic.name = name ? new string( *name ) : nullptr; |
---|
[b87a5ed] | 680 | newtype->base = type; |
---|
| 681 | type = newtype; |
---|
| 682 | return this; |
---|
[3848e0e] | 683 | } |
---|
| 684 | |
---|
[ba7aa2d] | 685 | DeclarationNode * DeclarationNode::addAssertions( DeclarationNode * assertions ) { |
---|
[faddbd8] | 686 | if ( variable.tyClass != NoTypeClass ) { |
---|
[2298f728] | 687 | if ( variable.assertions ) { |
---|
| 688 | variable.assertions->appendList( assertions ); |
---|
| 689 | } else { |
---|
| 690 | variable.assertions = assertions; |
---|
| 691 | } // if |
---|
| 692 | return this; |
---|
| 693 | } // if |
---|
| 694 | |
---|
[b87a5ed] | 695 | assert( type ); |
---|
| 696 | switch ( type->kind ) { |
---|
| 697 | case TypeData::Symbolic: |
---|
[8f6f47d7] | 698 | if ( type->symbolic.assertions ) { |
---|
| 699 | type->symbolic.assertions->appendList( assertions ); |
---|
[b87a5ed] | 700 | } else { |
---|
[8f6f47d7] | 701 | type->symbolic.assertions = assertions; |
---|
[68cd1ce] | 702 | } // if |
---|
[b87a5ed] | 703 | break; |
---|
| 704 | default: |
---|
| 705 | assert( false ); |
---|
[68cd1ce] | 706 | } // switch |
---|
[974906e2] | 707 | |
---|
[b87a5ed] | 708 | return this; |
---|
[51b7345] | 709 | } |
---|
| 710 | |
---|
[fb114fa1] | 711 | DeclarationNode * DeclarationNode::addName( string * newname ) { |
---|
[2298f728] | 712 | assert( ! name ); |
---|
| 713 | name = newname; |
---|
[b87a5ed] | 714 | return this; |
---|
[51b7345] | 715 | } |
---|
| 716 | |
---|
[c0aa336] | 717 | DeclarationNode * DeclarationNode::addAsmName( DeclarationNode * newname ) { |
---|
[58dd019] | 718 | assert( ! asmName ); |
---|
[c0aa336] | 719 | asmName = newname ? newname->asmName : nullptr; |
---|
| 720 | return this->addQualifiers( newname ); |
---|
[58dd019] | 721 | } |
---|
| 722 | |
---|
[ba7aa2d] | 723 | DeclarationNode * DeclarationNode::addBitfield( ExpressionNode * size ) { |
---|
[b87a5ed] | 724 | bitfieldWidth = size; |
---|
| 725 | return this; |
---|
[51b7345] | 726 | } |
---|
| 727 | |
---|
[ba7aa2d] | 728 | DeclarationNode * DeclarationNode::addVarArgs() { |
---|
[b87a5ed] | 729 | assert( type ); |
---|
| 730 | hasEllipsis = true; |
---|
| 731 | return this; |
---|
[51b7345] | 732 | } |
---|
| 733 | |
---|
[ba7aa2d] | 734 | DeclarationNode * DeclarationNode::addFunctionBody( StatementNode * body ) { |
---|
[b87a5ed] | 735 | assert( type ); |
---|
| 736 | assert( type->kind == TypeData::Function ); |
---|
[2298f728] | 737 | assert( ! type->function.body ); |
---|
[8f6f47d7] | 738 | type->function.body = body; |
---|
[b87a5ed] | 739 | return this; |
---|
[51b7345] | 740 | } |
---|
| 741 | |
---|
[ba7aa2d] | 742 | DeclarationNode * DeclarationNode::addOldDeclList( DeclarationNode * list ) { |
---|
[b87a5ed] | 743 | assert( type ); |
---|
| 744 | assert( type->kind == TypeData::Function ); |
---|
[2298f728] | 745 | assert( ! type->function.oldDeclList ); |
---|
[8f6f47d7] | 746 | type->function.oldDeclList = list; |
---|
[b87a5ed] | 747 | return this; |
---|
[51b7345] | 748 | } |
---|
| 749 | |
---|
[c0aa336] | 750 | DeclarationNode * DeclarationNode::setBase( TypeData * newType ) { |
---|
[b87a5ed] | 751 | if ( type ) { |
---|
[ba7aa2d] | 752 | TypeData * prevBase = type; |
---|
| 753 | TypeData * curBase = type->base; |
---|
[2298f728] | 754 | while ( curBase != nullptr ) { |
---|
[b87a5ed] | 755 | prevBase = curBase; |
---|
| 756 | curBase = curBase->base; |
---|
[68cd1ce] | 757 | } // while |
---|
[b87a5ed] | 758 | prevBase->base = newType; |
---|
| 759 | } else { |
---|
| 760 | type = newType; |
---|
[68cd1ce] | 761 | } // if |
---|
[c0aa336] | 762 | return this; |
---|
[3848e0e] | 763 | } |
---|
| 764 | |
---|
[c0aa336] | 765 | DeclarationNode * DeclarationNode::copyAttribute( DeclarationNode * a ) { |
---|
| 766 | if ( a ) { |
---|
| 767 | for ( Attribute *attr: reverseIterate( a->attributes ) ) { |
---|
| 768 | attributes.push_front( attr ); |
---|
| 769 | } // for |
---|
| 770 | a->attributes.clear(); |
---|
| 771 | } // if |
---|
| 772 | return this; |
---|
| 773 | } // copyAttribute |
---|
| 774 | |
---|
[ba7aa2d] | 775 | DeclarationNode * DeclarationNode::addPointer( DeclarationNode * p ) { |
---|
[b87a5ed] | 776 | if ( p ) { |
---|
| 777 | assert( p->type->kind == TypeData::Pointer ); |
---|
[c0aa336] | 778 | setBase( p->type ); |
---|
[2298f728] | 779 | p->type = nullptr; |
---|
[c0aa336] | 780 | copyAttribute( p ); |
---|
[b87a5ed] | 781 | delete p; |
---|
[68cd1ce] | 782 | } // if |
---|
[b87a5ed] | 783 | return this; |
---|
[3848e0e] | 784 | } |
---|
| 785 | |
---|
[ba7aa2d] | 786 | DeclarationNode * DeclarationNode::addArray( DeclarationNode * a ) { |
---|
[b87a5ed] | 787 | if ( a ) { |
---|
| 788 | assert( a->type->kind == TypeData::Array ); |
---|
[c0aa336] | 789 | setBase( a->type ); |
---|
[2298f728] | 790 | a->type = nullptr; |
---|
[c0aa336] | 791 | copyAttribute( a ); |
---|
[b87a5ed] | 792 | delete a; |
---|
[68cd1ce] | 793 | } // if |
---|
[b87a5ed] | 794 | return this; |
---|
[51b7345] | 795 | } |
---|
| 796 | |
---|
[ba7aa2d] | 797 | DeclarationNode * DeclarationNode::addNewPointer( DeclarationNode * p ) { |
---|
[b87a5ed] | 798 | if ( p ) { |
---|
| 799 | assert( p->type->kind == TypeData::Pointer ); |
---|
| 800 | if ( type ) { |
---|
| 801 | switch ( type->kind ) { |
---|
| 802 | case TypeData::Aggregate: |
---|
| 803 | case TypeData::Enum: |
---|
| 804 | p->type->base = new TypeData( TypeData::AggregateInst ); |
---|
[8f6f47d7] | 805 | p->type->base->aggInst.aggregate = type; |
---|
[b87a5ed] | 806 | if ( type->kind == TypeData::Aggregate ) { |
---|
[8f6f47d7] | 807 | p->type->base->aggInst.params = maybeClone( type->aggregate.actuals ); |
---|
[68cd1ce] | 808 | } // if |
---|
[dd020c0] | 809 | p->type->base->typeQualifiers |= type->typeQualifiers; |
---|
[b87a5ed] | 810 | break; |
---|
| 811 | |
---|
| 812 | default: |
---|
| 813 | p->type->base = type; |
---|
[68cd1ce] | 814 | } // switch |
---|
[2298f728] | 815 | type = nullptr; |
---|
[68cd1ce] | 816 | } // if |
---|
[b87a5ed] | 817 | delete this; |
---|
| 818 | return p; |
---|
| 819 | } else { |
---|
| 820 | return this; |
---|
[68cd1ce] | 821 | } // if |
---|
[51b7345] | 822 | } |
---|
| 823 | |
---|
[ba7aa2d] | 824 | static TypeData * findLast( TypeData * a ) { |
---|
[b87a5ed] | 825 | assert( a ); |
---|
[ba7aa2d] | 826 | TypeData * cur = a; |
---|
[a32b204] | 827 | while ( cur->base ) { |
---|
[b87a5ed] | 828 | cur = cur->base; |
---|
[68cd1ce] | 829 | } // while |
---|
[b87a5ed] | 830 | return cur; |
---|
[3848e0e] | 831 | } |
---|
| 832 | |
---|
[ba7aa2d] | 833 | DeclarationNode * DeclarationNode::addNewArray( DeclarationNode * a ) { |
---|
[b87a5ed] | 834 | if ( a ) { |
---|
| 835 | assert( a->type->kind == TypeData::Array ); |
---|
[ba7aa2d] | 836 | TypeData * lastArray = findLast( a->type ); |
---|
[974906e2] | 837 | if ( type ) { |
---|
[b87a5ed] | 838 | switch ( type->kind ) { |
---|
| 839 | case TypeData::Aggregate: |
---|
| 840 | case TypeData::Enum: |
---|
| 841 | lastArray->base = new TypeData( TypeData::AggregateInst ); |
---|
[8f6f47d7] | 842 | lastArray->base->aggInst.aggregate = type; |
---|
[b87a5ed] | 843 | if ( type->kind == TypeData::Aggregate ) { |
---|
[8f6f47d7] | 844 | lastArray->base->aggInst.params = maybeClone( type->aggregate.actuals ); |
---|
[68cd1ce] | 845 | } // if |
---|
[dd020c0] | 846 | lastArray->base->typeQualifiers |= type->typeQualifiers; |
---|
[b87a5ed] | 847 | break; |
---|
| 848 | default: |
---|
| 849 | lastArray->base = type; |
---|
[68cd1ce] | 850 | } // switch |
---|
[2298f728] | 851 | type = nullptr; |
---|
[68cd1ce] | 852 | } // if |
---|
[b87a5ed] | 853 | delete this; |
---|
| 854 | return a; |
---|
| 855 | } else { |
---|
| 856 | return this; |
---|
[68cd1ce] | 857 | } // if |
---|
[51b7345] | 858 | } |
---|
[3848e0e] | 859 | |
---|
[ba7aa2d] | 860 | DeclarationNode * DeclarationNode::addParamList( DeclarationNode * params ) { |
---|
| 861 | TypeData * ftype = new TypeData( TypeData::Function ); |
---|
[8f6f47d7] | 862 | ftype->function.params = params; |
---|
[c0aa336] | 863 | setBase( ftype ); |
---|
[b87a5ed] | 864 | return this; |
---|
[3848e0e] | 865 | } |
---|
| 866 | |
---|
[ba7aa2d] | 867 | static TypeData * addIdListToType( TypeData * type, DeclarationNode * ids ) { |
---|
[b87a5ed] | 868 | if ( type ) { |
---|
| 869 | if ( type->kind != TypeData::Function ) { |
---|
| 870 | type->base = addIdListToType( type->base, ids ); |
---|
| 871 | } else { |
---|
[8f6f47d7] | 872 | type->function.idList = ids; |
---|
[68cd1ce] | 873 | } // if |
---|
[b87a5ed] | 874 | return type; |
---|
[3848e0e] | 875 | } else { |
---|
[ba7aa2d] | 876 | TypeData * newtype = new TypeData( TypeData::Function ); |
---|
[8f6f47d7] | 877 | newtype->function.idList = ids; |
---|
[b87a5ed] | 878 | return newtype; |
---|
[68cd1ce] | 879 | } // if |
---|
[2298f728] | 880 | } // addIdListToType |
---|
[974906e2] | 881 | |
---|
[ba7aa2d] | 882 | DeclarationNode * DeclarationNode::addIdList( DeclarationNode * ids ) { |
---|
[b87a5ed] | 883 | type = addIdListToType( type, ids ); |
---|
| 884 | return this; |
---|
[3848e0e] | 885 | } |
---|
| 886 | |
---|
[ba7aa2d] | 887 | DeclarationNode * DeclarationNode::addInitializer( InitializerNode * init ) { |
---|
[b87a5ed] | 888 | initializer = init; |
---|
| 889 | return this; |
---|
[3848e0e] | 890 | } |
---|
| 891 | |
---|
[ba7aa2d] | 892 | DeclarationNode * DeclarationNode::cloneType( string * newName ) { |
---|
| 893 | DeclarationNode * newnode = new DeclarationNode; |
---|
[b87a5ed] | 894 | newnode->type = maybeClone( type ); |
---|
[a7c90d4] | 895 | newnode->copySpecifiers( this ); |
---|
[ba7aa2d] | 896 | assert( newName ); |
---|
[2298f728] | 897 | newnode->name = newName; |
---|
[b87a5ed] | 898 | return newnode; |
---|
[3848e0e] | 899 | } |
---|
| 900 | |
---|
[2298f728] | 901 | DeclarationNode * DeclarationNode::cloneBaseType( DeclarationNode * o ) { |
---|
| 902 | if ( ! o ) return nullptr; |
---|
| 903 | |
---|
[a7c90d4] | 904 | o->copySpecifiers( this ); |
---|
[2298f728] | 905 | if ( type ) { |
---|
| 906 | TypeData * srcType = type; |
---|
| 907 | |
---|
[c0aa336] | 908 | // search for the base type by scanning off pointers and array designators |
---|
[2298f728] | 909 | while ( srcType->base ) { |
---|
| 910 | srcType = srcType->base; |
---|
| 911 | } // while |
---|
| 912 | |
---|
| 913 | TypeData * newType = srcType->clone(); |
---|
| 914 | if ( newType->kind == TypeData::AggregateInst ) { |
---|
| 915 | // don't duplicate members |
---|
| 916 | if ( newType->aggInst.aggregate->kind == TypeData::Enum ) { |
---|
| 917 | delete newType->aggInst.aggregate->enumeration.constants; |
---|
| 918 | newType->aggInst.aggregate->enumeration.constants = nullptr; |
---|
[b87a5ed] | 919 | } else { |
---|
[2298f728] | 920 | assert( newType->aggInst.aggregate->kind == TypeData::Aggregate ); |
---|
| 921 | delete newType->aggInst.aggregate->aggregate.fields; |
---|
| 922 | newType->aggInst.aggregate->aggregate.fields = nullptr; |
---|
[68cd1ce] | 923 | } // if |
---|
[43c89a7] | 924 | // don't hoist twice |
---|
| 925 | newType->aggInst.hoistType = false; |
---|
[68cd1ce] | 926 | } // if |
---|
[2298f728] | 927 | |
---|
| 928 | newType->forall = maybeClone( type->forall ); |
---|
| 929 | if ( ! o->type ) { |
---|
| 930 | o->type = newType; |
---|
| 931 | } else { |
---|
| 932 | addTypeToType( newType, o->type ); |
---|
| 933 | delete newType; |
---|
| 934 | } // if |
---|
[68cd1ce] | 935 | } // if |
---|
[b87a5ed] | 936 | return o; |
---|
[51b7345] | 937 | } |
---|
| 938 | |
---|
[ba7aa2d] | 939 | DeclarationNode * DeclarationNode::extractAggregate() const { |
---|
[b87a5ed] | 940 | if ( type ) { |
---|
[ba7aa2d] | 941 | TypeData * ret = typeextractAggregate( type ); |
---|
[b87a5ed] | 942 | if ( ret ) { |
---|
[ba7aa2d] | 943 | DeclarationNode * newnode = new DeclarationNode; |
---|
[b87a5ed] | 944 | newnode->type = ret; |
---|
| 945 | return newnode; |
---|
[843054c2] | 946 | } // if |
---|
| 947 | } // if |
---|
[2298f728] | 948 | return nullptr; |
---|
[3848e0e] | 949 | } |
---|
| 950 | |
---|
[ba7aa2d] | 951 | void buildList( const DeclarationNode * firstNode, std::list< Declaration * > &outputList ) { |
---|
[b87a5ed] | 952 | SemanticError errors; |
---|
[7880579] | 953 | std::back_insert_iterator< std::list< Declaration * > > out( outputList ); |
---|
[2298f728] | 954 | |
---|
[3a5131ed] | 955 | for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) { |
---|
[b87a5ed] | 956 | try { |
---|
[ba7aa2d] | 957 | if ( DeclarationNode * extr = cur->extractAggregate() ) { |
---|
[b87a5ed] | 958 | // handle the case where a structure declaration is contained within an object or type declaration |
---|
[ba7aa2d] | 959 | Declaration * decl = extr->build(); |
---|
[b87a5ed] | 960 | if ( decl ) { |
---|
[294647b] | 961 | decl->location = cur->location; |
---|
[ba7aa2d] | 962 | * out++ = decl; |
---|
[843054c2] | 963 | } // if |
---|
[f39096c] | 964 | delete extr; |
---|
[843054c2] | 965 | } // if |
---|
[2298f728] | 966 | |
---|
[ba7aa2d] | 967 | Declaration * decl = cur->build(); |
---|
[b87a5ed] | 968 | if ( decl ) { |
---|
[294647b] | 969 | decl->location = cur->location; |
---|
[ba7aa2d] | 970 | * out++ = decl; |
---|
[843054c2] | 971 | } // if |
---|
[b87a5ed] | 972 | } catch( SemanticError &e ) { |
---|
[294647b] | 973 | e.set_location( cur->location ); |
---|
[b87a5ed] | 974 | errors.append( e ); |
---|
[843054c2] | 975 | } // try |
---|
| 976 | } // while |
---|
[2298f728] | 977 | |
---|
[b87a5ed] | 978 | if ( ! errors.isEmpty() ) { |
---|
| 979 | throw errors; |
---|
[843054c2] | 980 | } // if |
---|
[2298f728] | 981 | } // buildList |
---|
[3848e0e] | 982 | |
---|
[ba7aa2d] | 983 | void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > &outputList ) { |
---|
[b87a5ed] | 984 | SemanticError errors; |
---|
[7880579] | 985 | std::back_insert_iterator< std::list< DeclarationWithType * > > out( outputList ); |
---|
[43c89a7] | 986 | |
---|
[3a5131ed] | 987 | for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) { |
---|
[b87a5ed] | 988 | try { |
---|
[ba7aa2d] | 989 | Declaration * decl = cur->build(); |
---|
[b87a5ed] | 990 | if ( decl ) { |
---|
[ba7aa2d] | 991 | if ( DeclarationWithType * dwt = dynamic_cast< DeclarationWithType * >( decl ) ) { |
---|
[294647b] | 992 | dwt->location = cur->location; |
---|
[ba7aa2d] | 993 | * out++ = dwt; |
---|
| 994 | } else if ( StructDecl * agg = dynamic_cast< StructDecl * >( decl ) ) { |
---|
| 995 | StructInstType * inst = new StructInstType( Type::Qualifiers(), agg->get_name() ); |
---|
[a7c90d4] | 996 | auto obj = new ObjectDecl( "", DeclarationNode::StorageClasses(), linkage, nullptr, inst, nullptr ); |
---|
[294647b] | 997 | obj->location = cur->location; |
---|
[43c89a7] | 998 | * out++ = obj; |
---|
[b87a5ed] | 999 | delete agg; |
---|
[ba7aa2d] | 1000 | } else if ( UnionDecl * agg = dynamic_cast< UnionDecl * >( decl ) ) { |
---|
| 1001 | UnionInstType * inst = new UnionInstType( Type::Qualifiers(), agg->get_name() ); |
---|
[a7c90d4] | 1002 | auto obj = new ObjectDecl( "", DeclarationNode::StorageClasses(), linkage, nullptr, inst, nullptr ); |
---|
[294647b] | 1003 | obj->location = cur->location; |
---|
| 1004 | * out++ = obj; |
---|
[843054c2] | 1005 | } // if |
---|
| 1006 | } // if |
---|
[b87a5ed] | 1007 | } catch( SemanticError &e ) { |
---|
[294647b] | 1008 | e.set_location( cur->location ); |
---|
[b87a5ed] | 1009 | errors.append( e ); |
---|
[843054c2] | 1010 | } // try |
---|
[3a5131ed] | 1011 | } // for |
---|
| 1012 | |
---|
[b87a5ed] | 1013 | if ( ! errors.isEmpty() ) { |
---|
| 1014 | throw errors; |
---|
[843054c2] | 1015 | } // if |
---|
[2298f728] | 1016 | } // buildList |
---|
[3848e0e] | 1017 | |
---|
[ba7aa2d] | 1018 | void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > &outputList ) { |
---|
[b87a5ed] | 1019 | SemanticError errors; |
---|
[7880579] | 1020 | std::back_insert_iterator< std::list< Type * > > out( outputList ); |
---|
[ba7aa2d] | 1021 | const DeclarationNode * cur = firstNode; |
---|
[2298f728] | 1022 | |
---|
[a32b204] | 1023 | while ( cur ) { |
---|
[b87a5ed] | 1024 | try { |
---|
[ba7aa2d] | 1025 | * out++ = cur->buildType(); |
---|
[b87a5ed] | 1026 | } catch( SemanticError &e ) { |
---|
[138e29e] | 1027 | e.set_location( cur->location ); |
---|
[b87a5ed] | 1028 | errors.append( e ); |
---|
[843054c2] | 1029 | } // try |
---|
[7880579] | 1030 | cur = dynamic_cast< DeclarationNode * >( cur->get_next() ); |
---|
[843054c2] | 1031 | } // while |
---|
[2298f728] | 1032 | |
---|
[b87a5ed] | 1033 | if ( ! errors.isEmpty() ) { |
---|
| 1034 | throw errors; |
---|
[843054c2] | 1035 | } // if |
---|
[2298f728] | 1036 | } // buildTypeList |
---|
[51b7345] | 1037 | |
---|
[ba7aa2d] | 1038 | Declaration * DeclarationNode::build() const { |
---|
[7d05e7e] | 1039 | if ( ! error.empty() ) throw SemanticError( error + " in declaration of ", this ); |
---|
[2298f728] | 1040 | |
---|
[e994912] | 1041 | if ( asmStmt ) { |
---|
| 1042 | return new AsmDecl( safe_dynamic_cast<AsmStmt *>( asmStmt->build() ) ); |
---|
| 1043 | } // if |
---|
| 1044 | |
---|
[faddbd8] | 1045 | if ( variable.tyClass != NoTypeClass ) { |
---|
[8f60f0b] | 1046 | static const TypeDecl::Kind kindMap[] = { TypeDecl::Any, TypeDecl::Dtype, TypeDecl::Ftype, TypeDecl::Ttype }; |
---|
| 1047 | assertf( sizeof(kindMap)/sizeof(kindMap[0] == NoTypeClass-1), "DeclarationNode::build: kindMap is out of sync." ); |
---|
| 1048 | assertf( variable.tyClass < sizeof(kindMap)/sizeof(kindMap[0]), "Variable's tyClass is out of bounds." ); |
---|
[a7c90d4] | 1049 | TypeDecl * ret = new TypeDecl( *name, DeclarationNode::StorageClasses(), nullptr, kindMap[ variable.tyClass ] ); |
---|
[2298f728] | 1050 | buildList( variable.assertions, ret->get_assertions() ); |
---|
| 1051 | return ret; |
---|
| 1052 | } // if |
---|
| 1053 | |
---|
[843054c2] | 1054 | if ( type ) { |
---|
[dd020c0] | 1055 | // Function specifiers can only appear on a function definition/declaration. |
---|
| 1056 | // |
---|
| 1057 | // inline _Noreturn int f(); // allowed |
---|
| 1058 | // inline _Noreturn int g( int i ); // allowed |
---|
| 1059 | // inline _Noreturn int i; // disallowed |
---|
[a7c90d4] | 1060 | if ( type->kind != TypeData::Function && funcSpecs.any() ) { |
---|
[dd020c0] | 1061 | throw SemanticError( "invalid function specifier for ", this ); |
---|
| 1062 | } // if |
---|
[a7c90d4] | 1063 | return buildDecl( type, name ? *name : string( "" ), storageClasses, maybeBuild< Expression >( bitfieldWidth ), funcSpecs, linkage, asmName, maybeBuild< Initializer >(initializer), attributes )->set_extension( extension ); |
---|
[843054c2] | 1064 | } // if |
---|
[2298f728] | 1065 | |
---|
[dd020c0] | 1066 | // SUE's cannot have function specifiers, either |
---|
| 1067 | // |
---|
| 1068 | // inlne _Noreturn struct S { ... }; // disallowed |
---|
| 1069 | // inlne _Noreturn enum E { ... }; // disallowed |
---|
[a7c90d4] | 1070 | if ( funcSpecs.any() ) { |
---|
[dd020c0] | 1071 | throw SemanticError( "invalid function specifier for ", this ); |
---|
[843054c2] | 1072 | } // if |
---|
[dd020c0] | 1073 | assertf( name, "ObjectDecl must a have name\n" ); |
---|
[a7c90d4] | 1074 | return (new ObjectDecl( *name, storageClasses, linkage, maybeBuild< Expression >( bitfieldWidth ), nullptr, maybeBuild< Initializer >( initializer ) ))->set_asmName( asmName )->set_extension( extension ); |
---|
[51b7345] | 1075 | } |
---|
| 1076 | |
---|
[ba7aa2d] | 1077 | Type * DeclarationNode::buildType() const { |
---|
[b87a5ed] | 1078 | assert( type ); |
---|
[974906e2] | 1079 | |
---|
[faddbd8] | 1080 | if ( attr.expr ) { |
---|
[c0aa336] | 1081 | return new AttrType( buildQualifiers( type ), *name, attr.expr->build(), attributes ); |
---|
[faddbd8] | 1082 | } else if ( attr.type ) { |
---|
[c0aa336] | 1083 | return new AttrType( buildQualifiers( type ), *name, attr.type->buildType(), attributes ); |
---|
[2298f728] | 1084 | } // if |
---|
| 1085 | |
---|
[b87a5ed] | 1086 | switch ( type->kind ) { |
---|
[43c89a7] | 1087 | case TypeData::Enum: |
---|
[b87a5ed] | 1088 | case TypeData::Aggregate: { |
---|
[43c89a7] | 1089 | ReferenceToType * ret = buildComAggInst( type, attributes ); |
---|
[8f6f47d7] | 1090 | buildList( type->aggregate.actuals, ret->get_parameters() ); |
---|
[b87a5ed] | 1091 | return ret; |
---|
| 1092 | } |
---|
| 1093 | case TypeData::Symbolic: { |
---|
[c0aa336] | 1094 | TypeInstType * ret = new TypeInstType( buildQualifiers( type ), *type->symbolic.name, false, attributes ); |
---|
[8f6f47d7] | 1095 | buildList( type->symbolic.actuals, ret->get_parameters() ); |
---|
[b87a5ed] | 1096 | return ret; |
---|
| 1097 | } |
---|
| 1098 | default: |
---|
[c0aa336] | 1099 | Type * simpletypes = typebuild( type ); |
---|
| 1100 | simpletypes->get_attributes() = attributes; // copy because member is const |
---|
| 1101 | return simpletypes; |
---|
[b87a5ed] | 1102 | } // switch |
---|
[3848e0e] | 1103 | } |
---|
| 1104 | |
---|
[b87a5ed] | 1105 | // Local Variables: // |
---|
| 1106 | // tab-width: 4 // |
---|
| 1107 | // mode: c++ // |
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| 1108 | // compile-command: "make install" // |
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| 1109 | // End: // |
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