[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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[201aeb9] | 11 | // Last Modified By : Peter A. Buhr |
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[2a8427c6] | 12 | // Last Modified On : Thu Feb 22 15:37:17 2018 |
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| 13 | // Update Count : 1033 |
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[b87a5ed] | 14 | // |
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| 15 | |
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[e3e16bc] | 16 | #include <cassert> // for assert, assertf, strict_dynamic_cast |
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[d180746] | 17 | #include <iterator> // for back_insert_iterator |
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| 18 | #include <list> // for list |
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| 19 | #include <memory> // for unique_ptr |
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| 20 | #include <ostream> // for operator<<, ostream, basic_ostream |
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| 21 | #include <string> // for string, operator+, allocator, char... |
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[51b7345] | 22 | |
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[d180746] | 23 | #include "Common/SemanticError.h" // for SemanticError |
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| 24 | #include "Common/UniqueName.h" // for UniqueName |
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| 25 | #include "Common/utility.h" // for maybeClone, maybeBuild, CodeLocation |
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| 26 | #include "Parser/LinkageSpec.h" // for Spec, linkageName, Cforall |
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| 27 | #include "Parser/ParseNode.h" // for DeclarationNode, ExpressionNode |
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| 28 | #include "SynTree/Attribute.h" // for Attribute |
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| 29 | #include "SynTree/Declaration.h" // for TypeDecl, ObjectDecl, Declaration |
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| 30 | #include "SynTree/Expression.h" // for Expression, ConstantExpr |
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| 31 | #include "SynTree/Statement.h" // for AsmStmt |
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| 32 | #include "SynTree/Type.h" // for Type, Type::StorageClasses, Type::... |
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| 33 | #include "TypeData.h" // for TypeData, TypeData::Aggregate_t |
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| 34 | #include "TypedefTable.h" // for TypedefTable, TypedefTable::kind_t... |
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[bdd516a] | 35 | |
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[d180746] | 36 | class Initializer; |
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[51b7345] | 37 | |
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[de62360d] | 38 | extern TypedefTable typedefTable; |
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| 39 | |
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[51b7345] | 40 | using namespace std; |
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| 41 | |
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[201aeb9] | 42 | // These must harmonize with the corresponding DeclarationNode enumerations. |
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| 43 | const char * DeclarationNode::basicTypeNames[] = { "void", "_Bool", "char", "int", "float", "double", "long double", "int128", "float80", "float128", "NoBasicTypeNames" }; |
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[dd020c0] | 44 | const char * DeclarationNode::complexTypeNames[] = { "_Complex", "_Imaginary", "NoComplexTypeNames" }; |
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| 45 | const char * DeclarationNode::signednessNames[] = { "signed", "unsigned", "NoSignednessNames" }; |
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| 46 | const char * DeclarationNode::lengthNames[] = { "short", "long", "long long", "NoLengthNames" }; |
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[409433da] | 47 | const char * DeclarationNode::aggregateNames[] = { "struct", "union", "trait", "coroutine", "monitor", "thread", "NoAggregateNames" }; |
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[dd020c0] | 48 | const char * DeclarationNode::typeClassNames[] = { "otype", "dtype", "ftype", "NoTypeClassNames" }; |
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| 49 | const char * DeclarationNode::builtinTypeNames[] = { "__builtin_va_list", "NoBuiltinTypeNames" }; |
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[51b7345] | 50 | |
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| 51 | UniqueName DeclarationNode::anonymous( "__anonymous" ); |
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| 52 | |
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[8b7ee09] | 53 | extern LinkageSpec::Spec linkage; // defined in parser.yy |
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[51b7345] | 54 | |
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[7d05e7e] | 55 | DeclarationNode::DeclarationNode() : |
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[2298f728] | 56 | type( nullptr ), |
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[58dd019] | 57 | bitfieldWidth( nullptr ), |
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[7d05e7e] | 58 | hasEllipsis( false ), |
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| 59 | linkage( ::linkage ), |
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[58dd019] | 60 | asmName( nullptr ), |
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| 61 | initializer( nullptr ), |
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[e994912] | 62 | extension( false ), |
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| 63 | asmStmt( nullptr ) { |
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[2298f728] | 64 | |
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[faddbd8] | 65 | // variable.name = nullptr; |
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| 66 | variable.tyClass = NoTypeClass; |
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[28307be] | 67 | variable.assertions = nullptr; |
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[67cf18c] | 68 | variable.initializer = nullptr; |
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[7d05e7e] | 69 | |
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[faddbd8] | 70 | // attr.name = nullptr; |
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[7d05e7e] | 71 | attr.expr = nullptr; |
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| 72 | attr.type = nullptr; |
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[28307be] | 73 | } |
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| 74 | |
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| 75 | DeclarationNode::~DeclarationNode() { |
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[faddbd8] | 76 | // delete attr.name; |
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[28307be] | 77 | delete attr.expr; |
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| 78 | delete attr.type; |
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[2298f728] | 79 | |
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[faddbd8] | 80 | // delete variable.name; |
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[2298f728] | 81 | delete variable.assertions; |
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[67cf18c] | 82 | delete variable.initializer; |
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[2298f728] | 83 | |
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[28307be] | 84 | delete type; |
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| 85 | delete bitfieldWidth; |
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[e994912] | 86 | |
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| 87 | delete asmStmt; |
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[58dd019] | 88 | // asmName, no delete, passed to next stage |
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[28307be] | 89 | delete initializer; |
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| 90 | } |
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| 91 | |
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[ba7aa2d] | 92 | DeclarationNode * DeclarationNode::clone() const { |
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| 93 | DeclarationNode * newnode = new DeclarationNode; |
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[c0aa336] | 94 | newnode->set_next( maybeClone( get_next() ) ); |
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[2298f728] | 95 | newnode->name = name ? new string( *name ) : nullptr; |
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[c0aa336] | 96 | |
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| 97 | newnode->type = maybeClone( type ); |
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[a7c90d4] | 98 | newnode->storageClasses = storageClasses; |
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| 99 | newnode->funcSpecs = funcSpecs; |
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[08d5507b] | 100 | newnode->bitfieldWidth = maybeClone( bitfieldWidth ); |
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[c0aa336] | 101 | newnode->enumeratorValue.reset( maybeClone( enumeratorValue.get() ) ); |
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[b87a5ed] | 102 | newnode->hasEllipsis = hasEllipsis; |
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| 103 | newnode->linkage = linkage; |
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[58dd019] | 104 | newnode->asmName = maybeClone( asmName ); |
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[c0aa336] | 105 | cloneAll( attributes, newnode->attributes ); |
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| 106 | newnode->initializer = maybeClone( initializer ); |
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| 107 | newnode->extension = extension; |
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[e994912] | 108 | newnode->asmStmt = maybeClone( asmStmt ); |
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[c0aa336] | 109 | newnode->error = error; |
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[3848e0e] | 110 | |
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[faddbd8] | 111 | // newnode->variable.name = variable.name ? new string( *variable.name ) : nullptr; |
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[28307be] | 112 | newnode->variable.tyClass = variable.tyClass; |
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[fb114fa1] | 113 | newnode->variable.assertions = maybeClone( variable.assertions ); |
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[67cf18c] | 114 | newnode->variable.initializer = maybeClone( variable.initializer ); |
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[3848e0e] | 115 | |
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[faddbd8] | 116 | // newnode->attr.name = attr.name ? new string( *attr.name ) : nullptr; |
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[28307be] | 117 | newnode->attr.expr = maybeClone( attr.expr ); |
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| 118 | newnode->attr.type = maybeClone( attr.type ); |
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| 119 | return newnode; |
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| 120 | } // DeclarationNode::clone |
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[3848e0e] | 121 | |
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| 122 | void DeclarationNode::print( std::ostream &os, int indent ) const { |
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[59db689] | 123 | os << string( indent, ' ' ); |
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[2298f728] | 124 | if ( name ) { |
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| 125 | os << *name << ": "; |
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[b87a5ed] | 126 | } else { |
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[2298f728] | 127 | os << "unnamed: "; |
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[68cd1ce] | 128 | } // if |
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[51b7345] | 129 | |
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[b87a5ed] | 130 | if ( linkage != LinkageSpec::Cforall ) { |
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[faddbd8] | 131 | os << LinkageSpec::linkageName( linkage ) << " "; |
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[68cd1ce] | 132 | } // if |
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[3848e0e] | 133 | |
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[6e8bd43] | 134 | storageClasses.print( os ); |
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| 135 | funcSpecs.print( os ); |
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[dd020c0] | 136 | |
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[b87a5ed] | 137 | if ( type ) { |
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| 138 | type->print( os, indent ); |
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| 139 | } else { |
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| 140 | os << "untyped entity "; |
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[68cd1ce] | 141 | } // if |
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[3848e0e] | 142 | |
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[b87a5ed] | 143 | if ( bitfieldWidth ) { |
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[59db689] | 144 | os << endl << string( indent + 2, ' ' ) << "with bitfield width "; |
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[b87a5ed] | 145 | bitfieldWidth->printOneLine( os ); |
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[68cd1ce] | 146 | } // if |
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[3848e0e] | 147 | |
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[2298f728] | 148 | if ( initializer ) { |
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[59db689] | 149 | os << endl << string( indent + 2, ' ' ) << "with initializer "; |
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[b87a5ed] | 150 | initializer->printOneLine( os ); |
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[974906e2] | 151 | os << " maybe constructed? " << initializer->get_maybeConstructed(); |
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| 152 | |
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[68cd1ce] | 153 | } // if |
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[3848e0e] | 154 | |
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[b87a5ed] | 155 | os << endl; |
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[51b7345] | 156 | } |
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| 157 | |
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[3848e0e] | 158 | void DeclarationNode::printList( std::ostream &os, int indent ) const { |
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[b87a5ed] | 159 | ParseNode::printList( os, indent ); |
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| 160 | if ( hasEllipsis ) { |
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| 161 | os << string( indent, ' ' ) << "and a variable number of other arguments" << endl; |
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[68cd1ce] | 162 | } // if |
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[51b7345] | 163 | } |
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| 164 | |
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[2a8427c6] | 165 | DeclarationNode * DeclarationNode::newFunction( string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body ) { |
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[ba7aa2d] | 166 | DeclarationNode * newnode = new DeclarationNode; |
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[2298f728] | 167 | newnode->name = name; |
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[b87a5ed] | 168 | newnode->type = new TypeData( TypeData::Function ); |
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[8f6f47d7] | 169 | newnode->type->function.params = param; |
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| 170 | newnode->type->function.body = body; |
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[c0aa336] | 171 | |
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[2298f728] | 172 | // ignore unnamed routine declarations: void p( int (*)(int) ); |
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| 173 | if ( newnode->name ) { |
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| 174 | typedefTable.addToEnclosingScope( *newnode->name, TypedefTable::ID ); |
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| 175 | } // if |
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[3848e0e] | 176 | |
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[b87a5ed] | 177 | if ( ret ) { |
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| 178 | newnode->type->base = ret->type; |
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[2298f728] | 179 | ret->type = nullptr; |
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[b87a5ed] | 180 | delete ret; |
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[68cd1ce] | 181 | } // if |
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[51b7345] | 182 | |
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[b87a5ed] | 183 | return newnode; |
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[984dce6] | 184 | } // DeclarationNode::newFunction |
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[3848e0e] | 185 | |
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[dd020c0] | 186 | |
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[68fe077a] | 187 | DeclarationNode * DeclarationNode::newStorageClass( Type::StorageClasses sc ) { |
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[ba7aa2d] | 188 | DeclarationNode * newnode = new DeclarationNode; |
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[08d5507b] | 189 | newnode->storageClasses = sc; |
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[b87a5ed] | 190 | return newnode; |
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[dd020c0] | 191 | } // DeclarationNode::newStorageClass |
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[3848e0e] | 192 | |
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[ddfd945] | 193 | DeclarationNode * DeclarationNode::newFuncSpecifier( Type::FuncSpecifiers fs ) { |
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[ba7aa2d] | 194 | DeclarationNode * newnode = new DeclarationNode; |
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[08d5507b] | 195 | newnode->funcSpecs = fs; |
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[c1c1112] | 196 | return newnode; |
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[dd020c0] | 197 | } // DeclarationNode::newFuncSpecifier |
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[c1c1112] | 198 | |
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[738e304] | 199 | DeclarationNode * DeclarationNode::newTypeQualifier( Type::Qualifiers tq ) { |
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[ba7aa2d] | 200 | DeclarationNode * newnode = new DeclarationNode; |
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[dd020c0] | 201 | newnode->type = new TypeData(); |
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[738e304] | 202 | newnode->type->qualifiers = tq; |
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[b87a5ed] | 203 | return newnode; |
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[dd020c0] | 204 | } // DeclarationNode::newQualifier |
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[3848e0e] | 205 | |
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[c1c1112] | 206 | DeclarationNode * DeclarationNode::newBasicType( BasicType bt ) { |
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[ba7aa2d] | 207 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 208 | newnode->type = new TypeData( TypeData::Basic ); |
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[5b639ee] | 209 | newnode->type->basictype = bt; |
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[b87a5ed] | 210 | return newnode; |
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[984dce6] | 211 | } // DeclarationNode::newBasicType |
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[3848e0e] | 212 | |
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[5b639ee] | 213 | DeclarationNode * DeclarationNode::newComplexType( ComplexType ct ) { |
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[ba7aa2d] | 214 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 215 | newnode->type = new TypeData( TypeData::Basic ); |
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[5b639ee] | 216 | newnode->type->complextype = ct; |
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[b87a5ed] | 217 | return newnode; |
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[5b639ee] | 218 | } // DeclarationNode::newComplexType |
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| 219 | |
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| 220 | DeclarationNode * DeclarationNode::newSignedNess( Signedness sn ) { |
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[ba7aa2d] | 221 | DeclarationNode * newnode = new DeclarationNode; |
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[5b639ee] | 222 | newnode->type = new TypeData( TypeData::Basic ); |
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| 223 | newnode->type->signedness = sn; |
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| 224 | return newnode; |
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| 225 | } // DeclarationNode::newSignedNess |
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| 226 | |
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| 227 | DeclarationNode * DeclarationNode::newLength( Length lnth ) { |
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[ba7aa2d] | 228 | DeclarationNode * newnode = new DeclarationNode; |
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[5b639ee] | 229 | newnode->type = new TypeData( TypeData::Basic ); |
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| 230 | newnode->type->length = lnth; |
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| 231 | return newnode; |
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| 232 | } // DeclarationNode::newLength |
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[3848e0e] | 233 | |
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[dd020c0] | 234 | DeclarationNode * DeclarationNode::newForall( DeclarationNode * forall ) { |
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| 235 | DeclarationNode * newnode = new DeclarationNode; |
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| 236 | newnode->type = new TypeData( TypeData::Unknown ); |
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| 237 | newnode->type->forall = forall; |
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| 238 | return newnode; |
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| 239 | } // DeclarationNode::newForall |
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| 240 | |
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[fb114fa1] | 241 | DeclarationNode * DeclarationNode::newFromTypedef( string * name ) { |
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[ba7aa2d] | 242 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 243 | newnode->type = new TypeData( TypeData::SymbolicInst ); |
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[fb114fa1] | 244 | newnode->type->symbolic.name = name; |
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[8f6f47d7] | 245 | newnode->type->symbolic.isTypedef = true; |
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[2298f728] | 246 | newnode->type->symbolic.params = nullptr; |
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[b87a5ed] | 247 | return newnode; |
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[984dce6] | 248 | } // DeclarationNode::newFromTypedef |
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[3848e0e] | 249 | |
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[fb114fa1] | 250 | DeclarationNode * DeclarationNode::newAggregate( Aggregate kind, const string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body ) { |
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[6f95000] | 251 | assert( name ); |
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[ba7aa2d] | 252 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 253 | newnode->type = new TypeData( TypeData::Aggregate ); |
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[8f6f47d7] | 254 | newnode->type->aggregate.kind = kind; |
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[6f95000] | 255 | newnode->type->aggregate.name = name; |
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[8f6f47d7] | 256 | newnode->type->aggregate.actuals = actuals; |
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| 257 | newnode->type->aggregate.fields = fields; |
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| 258 | newnode->type->aggregate.body = body; |
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[6ea87486] | 259 | newnode->type->aggregate.tagged = false; |
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| 260 | newnode->type->aggregate.parent = nullptr; |
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[b87a5ed] | 261 | return newnode; |
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[984dce6] | 262 | } // DeclarationNode::newAggregate |
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[3848e0e] | 263 | |
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[ca1a547] | 264 | DeclarationNode * DeclarationNode::newEnum( string * name, DeclarationNode * constants, bool body ) { |
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[6f95000] | 265 | assert( name ); |
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[ba7aa2d] | 266 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 267 | newnode->type = new TypeData( TypeData::Enum ); |
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[6f95000] | 268 | newnode->type->enumeration.name = name; |
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[8f6f47d7] | 269 | newnode->type->enumeration.constants = constants; |
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[ca1a547] | 270 | newnode->type->enumeration.body = body; |
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[b87a5ed] | 271 | return newnode; |
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[984dce6] | 272 | } // DeclarationNode::newEnum |
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[3848e0e] | 273 | |
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[fb114fa1] | 274 | DeclarationNode * DeclarationNode::newEnumConstant( string * name, ExpressionNode * constant ) { |
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[ba7aa2d] | 275 | DeclarationNode * newnode = new DeclarationNode; |
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[2298f728] | 276 | newnode->name = name; |
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[4f147cc] | 277 | newnode->enumeratorValue.reset( constant ); |
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[2298f728] | 278 | typedefTable.addToEnclosingScope( *newnode->name, TypedefTable::ID ); |
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[b87a5ed] | 279 | return newnode; |
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[984dce6] | 280 | } // DeclarationNode::newEnumConstant |
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[3848e0e] | 281 | |
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[fb114fa1] | 282 | DeclarationNode * DeclarationNode::newName( string * name ) { |
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[ba7aa2d] | 283 | DeclarationNode * newnode = new DeclarationNode; |
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[2298f728] | 284 | newnode->name = name; |
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[b87a5ed] | 285 | return newnode; |
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[984dce6] | 286 | } // DeclarationNode::newName |
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[3848e0e] | 287 | |
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[fb114fa1] | 288 | DeclarationNode * DeclarationNode::newFromTypeGen( string * name, ExpressionNode * params ) { |
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[ba7aa2d] | 289 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 290 | newnode->type = new TypeData( TypeData::SymbolicInst ); |
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[fb114fa1] | 291 | newnode->type->symbolic.name = name; |
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[8f6f47d7] | 292 | newnode->type->symbolic.isTypedef = false; |
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| 293 | newnode->type->symbolic.actuals = params; |
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[b87a5ed] | 294 | return newnode; |
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[984dce6] | 295 | } // DeclarationNode::newFromTypeGen |
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[3848e0e] | 296 | |
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[fb114fa1] | 297 | DeclarationNode * DeclarationNode::newTypeParam( TypeClass tc, string * name ) { |
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[ba7aa2d] | 298 | DeclarationNode * newnode = new DeclarationNode; |
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[2298f728] | 299 | newnode->type = nullptr; |
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[148f7290] | 300 | assert( ! newnode->name ); |
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[faddbd8] | 301 | // newnode->variable.name = name; |
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| 302 | newnode->name = name; |
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[28307be] | 303 | newnode->variable.tyClass = tc; |
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[faddbd8] | 304 | newnode->variable.assertions = nullptr; |
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[b87a5ed] | 305 | return newnode; |
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[984dce6] | 306 | } // DeclarationNode::newTypeParam |
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[3848e0e] | 307 | |
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[fb114fa1] | 308 | DeclarationNode * DeclarationNode::newTrait( const string * name, DeclarationNode * params, DeclarationNode * asserts ) { |
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[ba7aa2d] | 309 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 310 | newnode->type = new TypeData( TypeData::Aggregate ); |
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[2298f728] | 311 | newnode->type->aggregate.name = name; |
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[8f6f47d7] | 312 | newnode->type->aggregate.kind = Trait; |
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| 313 | newnode->type->aggregate.params = params; |
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| 314 | newnode->type->aggregate.fields = asserts; |
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[b87a5ed] | 315 | return newnode; |
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[984dce6] | 316 | } // DeclarationNode::newTrait |
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[3848e0e] | 317 | |
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[fb114fa1] | 318 | DeclarationNode * DeclarationNode::newTraitUse( const string * name, ExpressionNode * params ) { |
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[ba7aa2d] | 319 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 320 | newnode->type = new TypeData( TypeData::AggregateInst ); |
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[8f6f47d7] | 321 | newnode->type->aggInst.aggregate = new TypeData( TypeData::Aggregate ); |
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| 322 | newnode->type->aggInst.aggregate->aggregate.kind = Trait; |
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[2298f728] | 323 | newnode->type->aggInst.aggregate->aggregate.name = name; |
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[8f6f47d7] | 324 | newnode->type->aggInst.params = params; |
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[b87a5ed] | 325 | return newnode; |
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[984dce6] | 326 | } // DeclarationNode::newTraitUse |
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[3848e0e] | 327 | |
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[fb114fa1] | 328 | DeclarationNode * DeclarationNode::newTypeDecl( string * name, DeclarationNode * typeParams ) { |
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[ba7aa2d] | 329 | DeclarationNode * newnode = new DeclarationNode; |
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[1395748] | 330 | newnode->name = name; |
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[b87a5ed] | 331 | newnode->type = new TypeData( TypeData::Symbolic ); |
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[8f6f47d7] | 332 | newnode->type->symbolic.isTypedef = false; |
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| 333 | newnode->type->symbolic.params = typeParams; |
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[b87a5ed] | 334 | return newnode; |
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[984dce6] | 335 | } // DeclarationNode::newTypeDecl |
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[3848e0e] | 336 | |
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[ce8c12f] | 337 | DeclarationNode * DeclarationNode::newPointer( DeclarationNode * qualifiers, OperKinds kind ) { |
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[ba7aa2d] | 338 | DeclarationNode * newnode = new DeclarationNode; |
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[ce8c12f] | 339 | newnode->type = new TypeData( kind == OperKinds::PointTo ? TypeData::Pointer : TypeData::Reference ); |
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[71d0eab] | 340 | if ( kind == OperKinds::And ) { |
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| 341 | // T && is parsed as 'And' operator rather than two references => add a second reference type |
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| 342 | TypeData * td = new TypeData( TypeData::Reference ); |
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| 343 | td->base = newnode->type; |
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| 344 | newnode->type = td; |
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| 345 | } |
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[c3396e0] | 346 | if ( qualifiers ) { |
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| 347 | return newnode->addQualifiers( qualifiers ); |
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| 348 | } else { |
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| 349 | return newnode; |
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| 350 | } // if |
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[984dce6] | 351 | } // DeclarationNode::newPointer |
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[3848e0e] | 352 | |
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[ba7aa2d] | 353 | DeclarationNode * DeclarationNode::newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic ) { |
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| 354 | DeclarationNode * newnode = new DeclarationNode; |
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[b87a5ed] | 355 | newnode->type = new TypeData( TypeData::Array ); |
---|
[8f6f47d7] | 356 | newnode->type->array.dimension = size; |
---|
| 357 | newnode->type->array.isStatic = isStatic; |
---|
[2298f728] | 358 | if ( newnode->type->array.dimension == nullptr || newnode->type->array.dimension->isExpressionType<ConstantExpr * >() ) { |
---|
[8f6f47d7] | 359 | newnode->type->array.isVarLen = false; |
---|
[71bd8c6] | 360 | } else { |
---|
[8f6f47d7] | 361 | newnode->type->array.isVarLen = true; |
---|
[71bd8c6] | 362 | } // if |
---|
[b87a5ed] | 363 | return newnode->addQualifiers( qualifiers ); |
---|
[984dce6] | 364 | } // DeclarationNode::newArray |
---|
[3848e0e] | 365 | |
---|
[ba7aa2d] | 366 | DeclarationNode * DeclarationNode::newVarArray( DeclarationNode * qualifiers ) { |
---|
| 367 | DeclarationNode * newnode = new DeclarationNode; |
---|
[b87a5ed] | 368 | newnode->type = new TypeData( TypeData::Array ); |
---|
[2298f728] | 369 | newnode->type->array.dimension = nullptr; |
---|
[8f6f47d7] | 370 | newnode->type->array.isStatic = false; |
---|
| 371 | newnode->type->array.isVarLen = true; |
---|
[b87a5ed] | 372 | return newnode->addQualifiers( qualifiers ); |
---|
[3848e0e] | 373 | } |
---|
| 374 | |
---|
[ba7aa2d] | 375 | DeclarationNode * DeclarationNode::newBitfield( ExpressionNode * size ) { |
---|
| 376 | DeclarationNode * newnode = new DeclarationNode; |
---|
[b87a5ed] | 377 | newnode->bitfieldWidth = size; |
---|
| 378 | return newnode; |
---|
[3848e0e] | 379 | } |
---|
| 380 | |
---|
[ba7aa2d] | 381 | DeclarationNode * DeclarationNode::newTuple( DeclarationNode * members ) { |
---|
| 382 | DeclarationNode * newnode = new DeclarationNode; |
---|
[b87a5ed] | 383 | newnode->type = new TypeData( TypeData::Tuple ); |
---|
[8f6f47d7] | 384 | newnode->type->tuple = members; |
---|
[b87a5ed] | 385 | return newnode; |
---|
[3848e0e] | 386 | } |
---|
| 387 | |
---|
[ba7aa2d] | 388 | DeclarationNode * DeclarationNode::newTypeof( ExpressionNode * expr ) { |
---|
| 389 | DeclarationNode * newnode = new DeclarationNode; |
---|
[b87a5ed] | 390 | newnode->type = new TypeData( TypeData::Typeof ); |
---|
[8f6f47d7] | 391 | newnode->type->typeexpr = expr; |
---|
[b87a5ed] | 392 | return newnode; |
---|
[3848e0e] | 393 | } |
---|
| 394 | |
---|
[8f6f47d7] | 395 | DeclarationNode * DeclarationNode::newBuiltinType( BuiltinType bt ) { |
---|
[ba7aa2d] | 396 | DeclarationNode * newnode = new DeclarationNode; |
---|
[8f6f47d7] | 397 | newnode->type = new TypeData( TypeData::Builtin ); |
---|
| 398 | newnode->builtin = bt; |
---|
[148f7290] | 399 | newnode->type->builtintype = newnode->builtin; |
---|
[8f6f47d7] | 400 | return newnode; |
---|
| 401 | } // DeclarationNode::newBuiltinType |
---|
| 402 | |
---|
[fb114fa1] | 403 | DeclarationNode * DeclarationNode::newAttr( string * name, ExpressionNode * expr ) { |
---|
[ba7aa2d] | 404 | DeclarationNode * newnode = new DeclarationNode; |
---|
[2298f728] | 405 | newnode->type = nullptr; |
---|
[faddbd8] | 406 | // newnode->attr.name = name; |
---|
| 407 | newnode->name = name; |
---|
[28307be] | 408 | newnode->attr.expr = expr; |
---|
[b87a5ed] | 409 | return newnode; |
---|
[3848e0e] | 410 | } |
---|
| 411 | |
---|
[fb114fa1] | 412 | DeclarationNode * DeclarationNode::newAttr( string * name, DeclarationNode * type ) { |
---|
[ba7aa2d] | 413 | DeclarationNode * newnode = new DeclarationNode; |
---|
[2298f728] | 414 | newnode->type = nullptr; |
---|
[faddbd8] | 415 | // newnode->attr.name = name; |
---|
| 416 | newnode->name = name; |
---|
[28307be] | 417 | newnode->attr.type = type; |
---|
[b87a5ed] | 418 | return newnode; |
---|
[3848e0e] | 419 | } |
---|
| 420 | |
---|
[44a81853] | 421 | DeclarationNode * DeclarationNode::newAttribute( string * name, ExpressionNode * expr ) { |
---|
| 422 | DeclarationNode * newnode = new DeclarationNode; |
---|
| 423 | newnode->type = nullptr; |
---|
| 424 | std::list< Expression * > exprs; |
---|
| 425 | buildList( expr, exprs ); |
---|
| 426 | newnode->attributes.push_back( new Attribute( *name, exprs ) ); |
---|
| 427 | delete name; |
---|
| 428 | return newnode; |
---|
| 429 | } |
---|
| 430 | |
---|
[e994912] | 431 | DeclarationNode * DeclarationNode::newAsmStmt( StatementNode * stmt ) { |
---|
| 432 | DeclarationNode * newnode = new DeclarationNode; |
---|
| 433 | newnode->asmStmt = stmt; |
---|
| 434 | return newnode; |
---|
| 435 | } |
---|
| 436 | |
---|
[5b639ee] | 437 | void appendError( string & dst, const string & src ) { |
---|
| 438 | if ( src.empty() ) return; |
---|
| 439 | if ( dst.empty() ) { dst = src; return; } |
---|
| 440 | dst += ", " + src; |
---|
| 441 | } // appendError |
---|
| 442 | |
---|
[ba7aa2d] | 443 | void DeclarationNode::checkQualifiers( const TypeData * src, const TypeData * dst ) { |
---|
[738e304] | 444 | const Type::Qualifiers qsrc = src->qualifiers, qdst = dst->qualifiers; // optimization |
---|
[c1c1112] | 445 | |
---|
[6f95000] | 446 | if ( (qsrc & qdst).any() ) { // duplicates ? |
---|
[738e304] | 447 | for ( unsigned int i = 0; i < Type::NumTypeQualifier; i += 1 ) { // find duplicates |
---|
[5b639ee] | 448 | if ( qsrc[i] && qdst[i] ) { |
---|
[615a096] | 449 | appendError( error, string( "duplicate " ) + Type::QualifiersNames[i] ); |
---|
[c1c1112] | 450 | } // if |
---|
| 451 | } // for |
---|
[a7c90d4] | 452 | } // for |
---|
[c1c1112] | 453 | } // DeclarationNode::checkQualifiers |
---|
| 454 | |
---|
[a7c90d4] | 455 | void DeclarationNode::checkSpecifiers( DeclarationNode * src ) { |
---|
[6f95000] | 456 | if ( (funcSpecs & src->funcSpecs).any() ) { // duplicates ? |
---|
[ddfd945] | 457 | for ( unsigned int i = 0; i < Type::NumFuncSpecifier; i += 1 ) { // find duplicates |
---|
[a7c90d4] | 458 | if ( funcSpecs[i] && src->funcSpecs[i] ) { |
---|
[615a096] | 459 | appendError( error, string( "duplicate " ) + Type::FuncSpecifiersNames[i] ); |
---|
[dd020c0] | 460 | } // if |
---|
| 461 | } // for |
---|
| 462 | } // if |
---|
| 463 | |
---|
[6e8bd43] | 464 | if ( storageClasses.any() && src->storageClasses.any() ) { // any reason to check ? |
---|
[6f95000] | 465 | if ( (storageClasses & src->storageClasses ).any() ) { // duplicates ? |
---|
[68fe077a] | 466 | for ( unsigned int i = 0; i < Type::NumStorageClass; i += 1 ) { // find duplicates |
---|
[a7c90d4] | 467 | if ( storageClasses[i] && src->storageClasses[i] ) { |
---|
[615a096] | 468 | appendError( error, string( "duplicate " ) + Type::StorageClassesNames[i] ); |
---|
[a7c90d4] | 469 | } // if |
---|
| 470 | } // for |
---|
| 471 | // src is the new item being added and has a single bit |
---|
[08d5507b] | 472 | } else if ( ! src->storageClasses.is_threadlocal ) { // conflict ? |
---|
[615a096] | 473 | appendError( error, string( "conflicting " ) + Type::StorageClassesNames[storageClasses.ffs()] + |
---|
| 474 | " & " + Type::StorageClassesNames[src->storageClasses.ffs()] ); |
---|
[6f95000] | 475 | src->storageClasses.reset(); // FIX to preserve invariant of one basic storage specifier |
---|
[b6424d9] | 476 | } // if |
---|
| 477 | } // if |
---|
[dd020c0] | 478 | |
---|
[a7c90d4] | 479 | appendError( error, src->error ); |
---|
| 480 | } // DeclarationNode::checkSpecifiers |
---|
[b6424d9] | 481 | |
---|
[a7c90d4] | 482 | DeclarationNode * DeclarationNode::copySpecifiers( DeclarationNode * q ) { |
---|
[6f95000] | 483 | funcSpecs |= q->funcSpecs; |
---|
| 484 | storageClasses |= q->storageClasses; |
---|
[c0aa336] | 485 | |
---|
| 486 | for ( Attribute *attr: reverseIterate( q->attributes ) ) { |
---|
| 487 | attributes.push_front( attr->clone() ); |
---|
| 488 | } // for |
---|
[b6424d9] | 489 | return this; |
---|
[a7c90d4] | 490 | } // DeclarationNode::copySpecifiers |
---|
[b6424d9] | 491 | |
---|
[ba7aa2d] | 492 | static void addQualifiersToType( TypeData *&src, TypeData * dst ) { |
---|
[101e0bd] | 493 | if ( src->forall && dst->kind == TypeData::Function ) { |
---|
| 494 | if ( dst->forall ) { |
---|
| 495 | dst->forall->appendList( src->forall ); |
---|
| 496 | } else { |
---|
| 497 | dst->forall = src->forall; |
---|
| 498 | } // if |
---|
[2298f728] | 499 | src->forall = nullptr; |
---|
[101e0bd] | 500 | } // if |
---|
| 501 | if ( dst->base ) { |
---|
| 502 | addQualifiersToType( src, dst->base ); |
---|
| 503 | } else if ( dst->kind == TypeData::Function ) { |
---|
| 504 | dst->base = src; |
---|
[2298f728] | 505 | src = nullptr; |
---|
[101e0bd] | 506 | } else { |
---|
[6f95000] | 507 | dst->qualifiers |= src->qualifiers; |
---|
[101e0bd] | 508 | } // if |
---|
| 509 | } // addQualifiersToType |
---|
| 510 | |
---|
[ba7aa2d] | 511 | DeclarationNode * DeclarationNode::addQualifiers( DeclarationNode * q ) { |
---|
[c38ae92] | 512 | if ( ! q ) { delete q; return this; } // empty qualifier |
---|
[101e0bd] | 513 | |
---|
[a7c90d4] | 514 | checkSpecifiers( q ); |
---|
| 515 | copySpecifiers( q ); |
---|
[101e0bd] | 516 | |
---|
[c38ae92] | 517 | if ( ! q->type ) { delete q; return this; } |
---|
[101e0bd] | 518 | |
---|
| 519 | if ( ! type ) { |
---|
[c38ae92] | 520 | type = q->type; // reuse structure |
---|
[1b77274] | 521 | q->type = nullptr; |
---|
| 522 | delete q; |
---|
[101e0bd] | 523 | return this; |
---|
| 524 | } // if |
---|
| 525 | |
---|
[c38ae92] | 526 | if ( q->type->forall ) { // forall qualifier ? |
---|
| 527 | if ( type->forall ) { // polymorphic routine ? |
---|
| 528 | type->forall->appendList( q->type->forall ); // augment forall qualifier |
---|
[101e0bd] | 529 | } else { |
---|
[c38ae92] | 530 | if ( type->kind == TypeData::Aggregate ) { // struct/union ? |
---|
| 531 | if ( type->aggregate.params ) { // polymorphic ? |
---|
| 532 | type->aggregate.params->appendList( q->type->forall ); // augment forall qualifier |
---|
| 533 | } else { // not polymorphic |
---|
| 534 | type->aggregate.params = q->type->forall; // make polymorphic type |
---|
| 535 | // change implicit typedef from TYPEDEFname to TYPEGENname |
---|
| 536 | typedefTable.changeKind( *type->aggregate.name, TypedefTable::TG ); |
---|
| 537 | } // if |
---|
| 538 | } else { // not polymorphic |
---|
| 539 | type->forall = q->type->forall; // make polymorphic routine |
---|
[68cd1ce] | 540 | } // if |
---|
| 541 | } // if |
---|
[c38ae92] | 542 | q->type->forall = nullptr; // forall qualifier moved |
---|
[68cd1ce] | 543 | } // if |
---|
[6ef2d81] | 544 | |
---|
[a7c90d4] | 545 | checkQualifiers( type, q->type ); |
---|
[6ef2d81] | 546 | addQualifiersToType( q->type, type ); |
---|
| 547 | |
---|
[b87a5ed] | 548 | delete q; |
---|
| 549 | return this; |
---|
[101e0bd] | 550 | } // addQualifiers |
---|
[3848e0e] | 551 | |
---|
| 552 | static void addTypeToType( TypeData *&src, TypeData *&dst ) { |
---|
[101e0bd] | 553 | if ( src->forall && dst->kind == TypeData::Function ) { |
---|
| 554 | if ( dst->forall ) { |
---|
| 555 | dst->forall->appendList( src->forall ); |
---|
[b87a5ed] | 556 | } else { |
---|
[101e0bd] | 557 | dst->forall = src->forall; |
---|
| 558 | } // if |
---|
[2298f728] | 559 | src->forall = nullptr; |
---|
[101e0bd] | 560 | } // if |
---|
| 561 | if ( dst->base ) { |
---|
| 562 | addTypeToType( src, dst->base ); |
---|
| 563 | } else { |
---|
| 564 | switch ( dst->kind ) { |
---|
| 565 | case TypeData::Unknown: |
---|
[6f95000] | 566 | src->qualifiers |= dst->qualifiers; |
---|
[101e0bd] | 567 | dst = src; |
---|
[2298f728] | 568 | src = nullptr; |
---|
[101e0bd] | 569 | break; |
---|
| 570 | case TypeData::Basic: |
---|
[6f95000] | 571 | dst->qualifiers |= src->qualifiers; |
---|
[101e0bd] | 572 | if ( src->kind != TypeData::Unknown ) { |
---|
| 573 | assert( src->kind == TypeData::Basic ); |
---|
| 574 | |
---|
| 575 | if ( dst->basictype == DeclarationNode::NoBasicType ) { |
---|
| 576 | dst->basictype = src->basictype; |
---|
| 577 | } else if ( src->basictype != DeclarationNode::NoBasicType ) |
---|
[d55d7a6] | 578 | throw SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::basicTypeNames[ src->basictype ] + " in type: " ); |
---|
[101e0bd] | 579 | |
---|
| 580 | if ( dst->complextype == DeclarationNode::NoComplexType ) { |
---|
| 581 | dst->complextype = src->complextype; |
---|
| 582 | } else if ( src->complextype != DeclarationNode::NoComplexType ) |
---|
[d55d7a6] | 583 | throw SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::complexTypeNames[ src->complextype ] + " in type: " ); |
---|
[101e0bd] | 584 | |
---|
| 585 | if ( dst->signedness == DeclarationNode::NoSignedness ) { |
---|
| 586 | dst->signedness = src->signedness; |
---|
| 587 | } else if ( src->signedness != DeclarationNode::NoSignedness ) |
---|
[d55d7a6] | 588 | throw SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::signednessNames[ src->signedness ] + " in type: " ); |
---|
[101e0bd] | 589 | |
---|
| 590 | if ( dst->length == DeclarationNode::NoLength ) { |
---|
| 591 | dst->length = src->length; |
---|
| 592 | } else if ( dst->length == DeclarationNode::Long && src->length == DeclarationNode::Long ) { |
---|
| 593 | dst->length = DeclarationNode::LongLong; |
---|
| 594 | } else if ( src->length != DeclarationNode::NoLength ) |
---|
[d55d7a6] | 595 | throw SemanticError( yylloc, src, string( "conflicting type specifier " ) + DeclarationNode::lengthNames[ src->length ] + " in type: " ); |
---|
[101e0bd] | 596 | } // if |
---|
| 597 | break; |
---|
| 598 | default: |
---|
| 599 | switch ( src->kind ) { |
---|
| 600 | case TypeData::Aggregate: |
---|
| 601 | case TypeData::Enum: |
---|
| 602 | dst->base = new TypeData( TypeData::AggregateInst ); |
---|
| 603 | dst->base->aggInst.aggregate = src; |
---|
| 604 | if ( src->kind == TypeData::Aggregate ) { |
---|
| 605 | dst->base->aggInst.params = maybeClone( src->aggregate.actuals ); |
---|
[68cd1ce] | 606 | } // if |
---|
[6f95000] | 607 | dst->base->qualifiers |= src->qualifiers; |
---|
[2298f728] | 608 | src = nullptr; |
---|
[b87a5ed] | 609 | break; |
---|
| 610 | default: |
---|
[101e0bd] | 611 | if ( dst->forall ) { |
---|
| 612 | dst->forall->appendList( src->forall ); |
---|
| 613 | } else { |
---|
| 614 | dst->forall = src->forall; |
---|
| 615 | } // if |
---|
[2298f728] | 616 | src->forall = nullptr; |
---|
[101e0bd] | 617 | dst->base = src; |
---|
[2298f728] | 618 | src = nullptr; |
---|
[68cd1ce] | 619 | } // switch |
---|
[101e0bd] | 620 | } // switch |
---|
[68cd1ce] | 621 | } // if |
---|
[3848e0e] | 622 | } |
---|
| 623 | |
---|
[ba7aa2d] | 624 | DeclarationNode * DeclarationNode::addType( DeclarationNode * o ) { |
---|
[b87a5ed] | 625 | if ( o ) { |
---|
[a7c90d4] | 626 | checkSpecifiers( o ); |
---|
| 627 | copySpecifiers( o ); |
---|
[b87a5ed] | 628 | if ( o->type ) { |
---|
| 629 | if ( ! type ) { |
---|
| 630 | if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) { |
---|
| 631 | type = new TypeData( TypeData::AggregateInst ); |
---|
[8f6f47d7] | 632 | type->aggInst.aggregate = o->type; |
---|
[b87a5ed] | 633 | if ( o->type->kind == TypeData::Aggregate ) { |
---|
[43c89a7] | 634 | type->aggInst.hoistType = o->type->aggregate.body; |
---|
[8f6f47d7] | 635 | type->aggInst.params = maybeClone( o->type->aggregate.actuals ); |
---|
[43c89a7] | 636 | } else { |
---|
| 637 | type->aggInst.hoistType = o->type->enumeration.body; |
---|
[68cd1ce] | 638 | } // if |
---|
[6f95000] | 639 | type->qualifiers |= o->type->qualifiers; |
---|
[b87a5ed] | 640 | } else { |
---|
| 641 | type = o->type; |
---|
[68cd1ce] | 642 | } // if |
---|
[2298f728] | 643 | o->type = nullptr; |
---|
[b87a5ed] | 644 | } else { |
---|
| 645 | addTypeToType( o->type, type ); |
---|
[68cd1ce] | 646 | } // if |
---|
| 647 | } // if |
---|
[b87a5ed] | 648 | if ( o->bitfieldWidth ) { |
---|
| 649 | bitfieldWidth = o->bitfieldWidth; |
---|
[68cd1ce] | 650 | } // if |
---|
[71bd8c6] | 651 | |
---|
| 652 | // there may be typedefs chained onto the type |
---|
[1d4580a] | 653 | if ( o->get_next() ) { |
---|
| 654 | set_last( o->get_next()->clone() ); |
---|
[1db21619] | 655 | } // if |
---|
[68cd1ce] | 656 | } // if |
---|
[b87a5ed] | 657 | delete o; |
---|
| 658 | return this; |
---|
[3848e0e] | 659 | } |
---|
| 660 | |
---|
[ba7aa2d] | 661 | DeclarationNode * DeclarationNode::addTypedef() { |
---|
| 662 | TypeData * newtype = new TypeData( TypeData::Symbolic ); |
---|
[2298f728] | 663 | newtype->symbolic.params = nullptr; |
---|
[8f6f47d7] | 664 | newtype->symbolic.isTypedef = true; |
---|
[2298f728] | 665 | newtype->symbolic.name = name ? new string( *name ) : nullptr; |
---|
[b87a5ed] | 666 | newtype->base = type; |
---|
| 667 | type = newtype; |
---|
| 668 | return this; |
---|
[3848e0e] | 669 | } |
---|
| 670 | |
---|
[ba7aa2d] | 671 | DeclarationNode * DeclarationNode::addAssertions( DeclarationNode * assertions ) { |
---|
[faddbd8] | 672 | if ( variable.tyClass != NoTypeClass ) { |
---|
[2298f728] | 673 | if ( variable.assertions ) { |
---|
| 674 | variable.assertions->appendList( assertions ); |
---|
| 675 | } else { |
---|
| 676 | variable.assertions = assertions; |
---|
| 677 | } // if |
---|
| 678 | return this; |
---|
| 679 | } // if |
---|
| 680 | |
---|
[b87a5ed] | 681 | assert( type ); |
---|
| 682 | switch ( type->kind ) { |
---|
| 683 | case TypeData::Symbolic: |
---|
[8f6f47d7] | 684 | if ( type->symbolic.assertions ) { |
---|
| 685 | type->symbolic.assertions->appendList( assertions ); |
---|
[b87a5ed] | 686 | } else { |
---|
[8f6f47d7] | 687 | type->symbolic.assertions = assertions; |
---|
[68cd1ce] | 688 | } // if |
---|
[b87a5ed] | 689 | break; |
---|
| 690 | default: |
---|
| 691 | assert( false ); |
---|
[68cd1ce] | 692 | } // switch |
---|
[974906e2] | 693 | |
---|
[b87a5ed] | 694 | return this; |
---|
[51b7345] | 695 | } |
---|
| 696 | |
---|
[fb114fa1] | 697 | DeclarationNode * DeclarationNode::addName( string * newname ) { |
---|
[2298f728] | 698 | assert( ! name ); |
---|
| 699 | name = newname; |
---|
[b87a5ed] | 700 | return this; |
---|
[51b7345] | 701 | } |
---|
| 702 | |
---|
[c0aa336] | 703 | DeclarationNode * DeclarationNode::addAsmName( DeclarationNode * newname ) { |
---|
[58dd019] | 704 | assert( ! asmName ); |
---|
[c0aa336] | 705 | asmName = newname ? newname->asmName : nullptr; |
---|
| 706 | return this->addQualifiers( newname ); |
---|
[58dd019] | 707 | } |
---|
| 708 | |
---|
[ba7aa2d] | 709 | DeclarationNode * DeclarationNode::addBitfield( ExpressionNode * size ) { |
---|
[b87a5ed] | 710 | bitfieldWidth = size; |
---|
| 711 | return this; |
---|
[51b7345] | 712 | } |
---|
| 713 | |
---|
[ba7aa2d] | 714 | DeclarationNode * DeclarationNode::addVarArgs() { |
---|
[b87a5ed] | 715 | assert( type ); |
---|
| 716 | hasEllipsis = true; |
---|
| 717 | return this; |
---|
[51b7345] | 718 | } |
---|
| 719 | |
---|
[c453ac4] | 720 | DeclarationNode * DeclarationNode::addFunctionBody( StatementNode * body, ExpressionNode * withExprs ) { |
---|
[b87a5ed] | 721 | assert( type ); |
---|
| 722 | assert( type->kind == TypeData::Function ); |
---|
[2298f728] | 723 | assert( ! type->function.body ); |
---|
[8f6f47d7] | 724 | type->function.body = body; |
---|
[c453ac4] | 725 | type->function.withExprs = withExprs; |
---|
[b87a5ed] | 726 | return this; |
---|
[51b7345] | 727 | } |
---|
| 728 | |
---|
[ba7aa2d] | 729 | DeclarationNode * DeclarationNode::addOldDeclList( DeclarationNode * list ) { |
---|
[b87a5ed] | 730 | assert( type ); |
---|
| 731 | assert( type->kind == TypeData::Function ); |
---|
[2298f728] | 732 | assert( ! type->function.oldDeclList ); |
---|
[8f6f47d7] | 733 | type->function.oldDeclList = list; |
---|
[b87a5ed] | 734 | return this; |
---|
[51b7345] | 735 | } |
---|
| 736 | |
---|
[c0aa336] | 737 | DeclarationNode * DeclarationNode::setBase( TypeData * newType ) { |
---|
[b87a5ed] | 738 | if ( type ) { |
---|
[ba7aa2d] | 739 | TypeData * prevBase = type; |
---|
| 740 | TypeData * curBase = type->base; |
---|
[2298f728] | 741 | while ( curBase != nullptr ) { |
---|
[b87a5ed] | 742 | prevBase = curBase; |
---|
| 743 | curBase = curBase->base; |
---|
[68cd1ce] | 744 | } // while |
---|
[b87a5ed] | 745 | prevBase->base = newType; |
---|
| 746 | } else { |
---|
| 747 | type = newType; |
---|
[68cd1ce] | 748 | } // if |
---|
[c0aa336] | 749 | return this; |
---|
[3848e0e] | 750 | } |
---|
| 751 | |
---|
[c0aa336] | 752 | DeclarationNode * DeclarationNode::copyAttribute( DeclarationNode * a ) { |
---|
| 753 | if ( a ) { |
---|
| 754 | for ( Attribute *attr: reverseIterate( a->attributes ) ) { |
---|
| 755 | attributes.push_front( attr ); |
---|
| 756 | } // for |
---|
| 757 | a->attributes.clear(); |
---|
| 758 | } // if |
---|
| 759 | return this; |
---|
| 760 | } // copyAttribute |
---|
| 761 | |
---|
[ba7aa2d] | 762 | DeclarationNode * DeclarationNode::addPointer( DeclarationNode * p ) { |
---|
[b87a5ed] | 763 | if ( p ) { |
---|
[ce8c12f] | 764 | assert( p->type->kind == TypeData::Pointer || TypeData::Reference ); |
---|
[c0aa336] | 765 | setBase( p->type ); |
---|
[2298f728] | 766 | p->type = nullptr; |
---|
[c0aa336] | 767 | copyAttribute( p ); |
---|
[b87a5ed] | 768 | delete p; |
---|
[68cd1ce] | 769 | } // if |
---|
[b87a5ed] | 770 | return this; |
---|
[3848e0e] | 771 | } |
---|
| 772 | |
---|
[ba7aa2d] | 773 | DeclarationNode * DeclarationNode::addArray( DeclarationNode * a ) { |
---|
[b87a5ed] | 774 | if ( a ) { |
---|
| 775 | assert( a->type->kind == TypeData::Array ); |
---|
[c0aa336] | 776 | setBase( a->type ); |
---|
[2298f728] | 777 | a->type = nullptr; |
---|
[c0aa336] | 778 | copyAttribute( a ); |
---|
[b87a5ed] | 779 | delete a; |
---|
[68cd1ce] | 780 | } // if |
---|
[b87a5ed] | 781 | return this; |
---|
[51b7345] | 782 | } |
---|
| 783 | |
---|
[ba7aa2d] | 784 | DeclarationNode * DeclarationNode::addNewPointer( DeclarationNode * p ) { |
---|
[b87a5ed] | 785 | if ( p ) { |
---|
[e6cee92] | 786 | assert( p->type->kind == TypeData::Pointer || p->type->kind == TypeData::Reference ); |
---|
[b87a5ed] | 787 | if ( type ) { |
---|
| 788 | switch ( type->kind ) { |
---|
| 789 | case TypeData::Aggregate: |
---|
| 790 | case TypeData::Enum: |
---|
| 791 | p->type->base = new TypeData( TypeData::AggregateInst ); |
---|
[8f6f47d7] | 792 | p->type->base->aggInst.aggregate = type; |
---|
[b87a5ed] | 793 | if ( type->kind == TypeData::Aggregate ) { |
---|
[8f6f47d7] | 794 | p->type->base->aggInst.params = maybeClone( type->aggregate.actuals ); |
---|
[68cd1ce] | 795 | } // if |
---|
[6f95000] | 796 | p->type->base->qualifiers |= type->qualifiers; |
---|
[b87a5ed] | 797 | break; |
---|
| 798 | |
---|
| 799 | default: |
---|
| 800 | p->type->base = type; |
---|
[68cd1ce] | 801 | } // switch |
---|
[2298f728] | 802 | type = nullptr; |
---|
[68cd1ce] | 803 | } // if |
---|
[b87a5ed] | 804 | delete this; |
---|
| 805 | return p; |
---|
| 806 | } else { |
---|
| 807 | return this; |
---|
[68cd1ce] | 808 | } // if |
---|
[51b7345] | 809 | } |
---|
| 810 | |
---|
[ba7aa2d] | 811 | static TypeData * findLast( TypeData * a ) { |
---|
[b87a5ed] | 812 | assert( a ); |
---|
[ba7aa2d] | 813 | TypeData * cur = a; |
---|
[a32b204] | 814 | while ( cur->base ) { |
---|
[b87a5ed] | 815 | cur = cur->base; |
---|
[68cd1ce] | 816 | } // while |
---|
[b87a5ed] | 817 | return cur; |
---|
[3848e0e] | 818 | } |
---|
| 819 | |
---|
[ba7aa2d] | 820 | DeclarationNode * DeclarationNode::addNewArray( DeclarationNode * a ) { |
---|
[738e304] | 821 | if ( ! a ) return this; |
---|
| 822 | assert( a->type->kind == TypeData::Array ); |
---|
| 823 | TypeData * lastArray = findLast( a->type ); |
---|
| 824 | if ( type ) { |
---|
| 825 | switch ( type->kind ) { |
---|
| 826 | case TypeData::Aggregate: |
---|
| 827 | case TypeData::Enum: |
---|
| 828 | lastArray->base = new TypeData( TypeData::AggregateInst ); |
---|
| 829 | lastArray->base->aggInst.aggregate = type; |
---|
| 830 | if ( type->kind == TypeData::Aggregate ) { |
---|
| 831 | lastArray->base->aggInst.params = maybeClone( type->aggregate.actuals ); |
---|
| 832 | } // if |
---|
[6f95000] | 833 | lastArray->base->qualifiers |= type->qualifiers; |
---|
[738e304] | 834 | break; |
---|
| 835 | default: |
---|
| 836 | lastArray->base = type; |
---|
| 837 | } // switch |
---|
| 838 | type = nullptr; |
---|
[68cd1ce] | 839 | } // if |
---|
[738e304] | 840 | delete this; |
---|
| 841 | return a; |
---|
[51b7345] | 842 | } |
---|
[3848e0e] | 843 | |
---|
[ba7aa2d] | 844 | DeclarationNode * DeclarationNode::addParamList( DeclarationNode * params ) { |
---|
| 845 | TypeData * ftype = new TypeData( TypeData::Function ); |
---|
[8f6f47d7] | 846 | ftype->function.params = params; |
---|
[c0aa336] | 847 | setBase( ftype ); |
---|
[b87a5ed] | 848 | return this; |
---|
[3848e0e] | 849 | } |
---|
| 850 | |
---|
[ba7aa2d] | 851 | static TypeData * addIdListToType( TypeData * type, DeclarationNode * ids ) { |
---|
[b87a5ed] | 852 | if ( type ) { |
---|
| 853 | if ( type->kind != TypeData::Function ) { |
---|
| 854 | type->base = addIdListToType( type->base, ids ); |
---|
| 855 | } else { |
---|
[8f6f47d7] | 856 | type->function.idList = ids; |
---|
[68cd1ce] | 857 | } // if |
---|
[b87a5ed] | 858 | return type; |
---|
[3848e0e] | 859 | } else { |
---|
[ba7aa2d] | 860 | TypeData * newtype = new TypeData( TypeData::Function ); |
---|
[8f6f47d7] | 861 | newtype->function.idList = ids; |
---|
[b87a5ed] | 862 | return newtype; |
---|
[68cd1ce] | 863 | } // if |
---|
[2298f728] | 864 | } // addIdListToType |
---|
[974906e2] | 865 | |
---|
[ba7aa2d] | 866 | DeclarationNode * DeclarationNode::addIdList( DeclarationNode * ids ) { |
---|
[b87a5ed] | 867 | type = addIdListToType( type, ids ); |
---|
| 868 | return this; |
---|
[3848e0e] | 869 | } |
---|
| 870 | |
---|
[ba7aa2d] | 871 | DeclarationNode * DeclarationNode::addInitializer( InitializerNode * init ) { |
---|
[b87a5ed] | 872 | initializer = init; |
---|
| 873 | return this; |
---|
[3848e0e] | 874 | } |
---|
| 875 | |
---|
[67cf18c] | 876 | DeclarationNode * DeclarationNode::addTypeInitializer( DeclarationNode * init ) { |
---|
| 877 | assertf( variable.tyClass != NoTypeClass, "Called addTypeInitializer on something that isn't a type variable." ); |
---|
| 878 | variable.initializer = init; |
---|
| 879 | return this; |
---|
| 880 | } |
---|
| 881 | |
---|
[ba7aa2d] | 882 | DeclarationNode * DeclarationNode::cloneType( string * newName ) { |
---|
| 883 | DeclarationNode * newnode = new DeclarationNode; |
---|
[b87a5ed] | 884 | newnode->type = maybeClone( type ); |
---|
[a7c90d4] | 885 | newnode->copySpecifiers( this ); |
---|
[ba7aa2d] | 886 | assert( newName ); |
---|
[2298f728] | 887 | newnode->name = newName; |
---|
[b87a5ed] | 888 | return newnode; |
---|
[3848e0e] | 889 | } |
---|
| 890 | |
---|
[2298f728] | 891 | DeclarationNode * DeclarationNode::cloneBaseType( DeclarationNode * o ) { |
---|
| 892 | if ( ! o ) return nullptr; |
---|
| 893 | |
---|
[a7c90d4] | 894 | o->copySpecifiers( this ); |
---|
[2298f728] | 895 | if ( type ) { |
---|
| 896 | TypeData * srcType = type; |
---|
| 897 | |
---|
[c0aa336] | 898 | // search for the base type by scanning off pointers and array designators |
---|
[2298f728] | 899 | while ( srcType->base ) { |
---|
| 900 | srcType = srcType->base; |
---|
| 901 | } // while |
---|
| 902 | |
---|
| 903 | TypeData * newType = srcType->clone(); |
---|
| 904 | if ( newType->kind == TypeData::AggregateInst ) { |
---|
| 905 | // don't duplicate members |
---|
| 906 | if ( newType->aggInst.aggregate->kind == TypeData::Enum ) { |
---|
| 907 | delete newType->aggInst.aggregate->enumeration.constants; |
---|
| 908 | newType->aggInst.aggregate->enumeration.constants = nullptr; |
---|
[b87a5ed] | 909 | } else { |
---|
[2298f728] | 910 | assert( newType->aggInst.aggregate->kind == TypeData::Aggregate ); |
---|
| 911 | delete newType->aggInst.aggregate->aggregate.fields; |
---|
| 912 | newType->aggInst.aggregate->aggregate.fields = nullptr; |
---|
[68cd1ce] | 913 | } // if |
---|
[43c89a7] | 914 | // don't hoist twice |
---|
| 915 | newType->aggInst.hoistType = false; |
---|
[68cd1ce] | 916 | } // if |
---|
[2298f728] | 917 | |
---|
| 918 | newType->forall = maybeClone( type->forall ); |
---|
| 919 | if ( ! o->type ) { |
---|
| 920 | o->type = newType; |
---|
| 921 | } else { |
---|
| 922 | addTypeToType( newType, o->type ); |
---|
| 923 | delete newType; |
---|
| 924 | } // if |
---|
[68cd1ce] | 925 | } // if |
---|
[b87a5ed] | 926 | return o; |
---|
[51b7345] | 927 | } |
---|
| 928 | |
---|
[ba7aa2d] | 929 | DeclarationNode * DeclarationNode::extractAggregate() const { |
---|
[b87a5ed] | 930 | if ( type ) { |
---|
[ba7aa2d] | 931 | TypeData * ret = typeextractAggregate( type ); |
---|
[b87a5ed] | 932 | if ( ret ) { |
---|
[ba7aa2d] | 933 | DeclarationNode * newnode = new DeclarationNode; |
---|
[b87a5ed] | 934 | newnode->type = ret; |
---|
| 935 | return newnode; |
---|
[843054c2] | 936 | } // if |
---|
| 937 | } // if |
---|
[2298f728] | 938 | return nullptr; |
---|
[3848e0e] | 939 | } |
---|
| 940 | |
---|
[ba7aa2d] | 941 | void buildList( const DeclarationNode * firstNode, std::list< Declaration * > &outputList ) { |
---|
[b87a5ed] | 942 | SemanticError errors; |
---|
[7880579] | 943 | std::back_insert_iterator< std::list< Declaration * > > out( outputList ); |
---|
[2298f728] | 944 | |
---|
[3a5131ed] | 945 | for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) { |
---|
[b87a5ed] | 946 | try { |
---|
[ba7aa2d] | 947 | if ( DeclarationNode * extr = cur->extractAggregate() ) { |
---|
[b87a5ed] | 948 | // handle the case where a structure declaration is contained within an object or type declaration |
---|
[ba7aa2d] | 949 | Declaration * decl = extr->build(); |
---|
[b87a5ed] | 950 | if ( decl ) { |
---|
[294647b] | 951 | decl->location = cur->location; |
---|
[ba7aa2d] | 952 | * out++ = decl; |
---|
[843054c2] | 953 | } // if |
---|
[f39096c] | 954 | delete extr; |
---|
[843054c2] | 955 | } // if |
---|
[2298f728] | 956 | |
---|
[ba7aa2d] | 957 | Declaration * decl = cur->build(); |
---|
[b87a5ed] | 958 | if ( decl ) { |
---|
[294647b] | 959 | decl->location = cur->location; |
---|
[ba7aa2d] | 960 | * out++ = decl; |
---|
[843054c2] | 961 | } // if |
---|
[b87a5ed] | 962 | } catch( SemanticError &e ) { |
---|
| 963 | errors.append( e ); |
---|
[843054c2] | 964 | } // try |
---|
| 965 | } // while |
---|
[2298f728] | 966 | |
---|
[b87a5ed] | 967 | if ( ! errors.isEmpty() ) { |
---|
| 968 | throw errors; |
---|
[843054c2] | 969 | } // if |
---|
[2298f728] | 970 | } // buildList |
---|
[3848e0e] | 971 | |
---|
[ba7aa2d] | 972 | void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > &outputList ) { |
---|
[b87a5ed] | 973 | SemanticError errors; |
---|
[7880579] | 974 | std::back_insert_iterator< std::list< DeclarationWithType * > > out( outputList ); |
---|
[43c89a7] | 975 | |
---|
[3a5131ed] | 976 | for ( const DeclarationNode * cur = firstNode; cur; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) { |
---|
[b87a5ed] | 977 | try { |
---|
[ba7aa2d] | 978 | Declaration * decl = cur->build(); |
---|
[b87a5ed] | 979 | if ( decl ) { |
---|
[ba7aa2d] | 980 | if ( DeclarationWithType * dwt = dynamic_cast< DeclarationWithType * >( decl ) ) { |
---|
[294647b] | 981 | dwt->location = cur->location; |
---|
[ba7aa2d] | 982 | * out++ = dwt; |
---|
| 983 | } else if ( StructDecl * agg = dynamic_cast< StructDecl * >( decl ) ) { |
---|
| 984 | StructInstType * inst = new StructInstType( Type::Qualifiers(), agg->get_name() ); |
---|
[68fe077a] | 985 | auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr ); |
---|
[294647b] | 986 | obj->location = cur->location; |
---|
[43c89a7] | 987 | * out++ = obj; |
---|
[b87a5ed] | 988 | delete agg; |
---|
[ba7aa2d] | 989 | } else if ( UnionDecl * agg = dynamic_cast< UnionDecl * >( decl ) ) { |
---|
| 990 | UnionInstType * inst = new UnionInstType( Type::Qualifiers(), agg->get_name() ); |
---|
[68fe077a] | 991 | auto obj = new ObjectDecl( "", Type::StorageClasses(), linkage, nullptr, inst, nullptr ); |
---|
[294647b] | 992 | obj->location = cur->location; |
---|
| 993 | * out++ = obj; |
---|
[843054c2] | 994 | } // if |
---|
| 995 | } // if |
---|
[b87a5ed] | 996 | } catch( SemanticError &e ) { |
---|
| 997 | errors.append( e ); |
---|
[843054c2] | 998 | } // try |
---|
[3a5131ed] | 999 | } // for |
---|
| 1000 | |
---|
[b87a5ed] | 1001 | if ( ! errors.isEmpty() ) { |
---|
| 1002 | throw errors; |
---|
[843054c2] | 1003 | } // if |
---|
[2298f728] | 1004 | } // buildList |
---|
[3848e0e] | 1005 | |
---|
[ba7aa2d] | 1006 | void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > &outputList ) { |
---|
[b87a5ed] | 1007 | SemanticError errors; |
---|
[7880579] | 1008 | std::back_insert_iterator< std::list< Type * > > out( outputList ); |
---|
[ba7aa2d] | 1009 | const DeclarationNode * cur = firstNode; |
---|
[2298f728] | 1010 | |
---|
[a32b204] | 1011 | while ( cur ) { |
---|
[b87a5ed] | 1012 | try { |
---|
[ba7aa2d] | 1013 | * out++ = cur->buildType(); |
---|
[b87a5ed] | 1014 | } catch( SemanticError &e ) { |
---|
| 1015 | errors.append( e ); |
---|
[843054c2] | 1016 | } // try |
---|
[7880579] | 1017 | cur = dynamic_cast< DeclarationNode * >( cur->get_next() ); |
---|
[843054c2] | 1018 | } // while |
---|
[2298f728] | 1019 | |
---|
[b87a5ed] | 1020 | if ( ! errors.isEmpty() ) { |
---|
| 1021 | throw errors; |
---|
[843054c2] | 1022 | } // if |
---|
[2298f728] | 1023 | } // buildTypeList |
---|
[51b7345] | 1024 | |
---|
[ba7aa2d] | 1025 | Declaration * DeclarationNode::build() const { |
---|
[d55d7a6] | 1026 | if ( ! error.empty() ) throw SemanticError( this, error + " in declaration of " ); |
---|
[2298f728] | 1027 | |
---|
[e994912] | 1028 | if ( asmStmt ) { |
---|
[e3e16bc] | 1029 | return new AsmDecl( strict_dynamic_cast<AsmStmt *>( asmStmt->build() ) ); |
---|
[e994912] | 1030 | } // if |
---|
| 1031 | |
---|
[faddbd8] | 1032 | if ( variable.tyClass != NoTypeClass ) { |
---|
[f0ecf9b] | 1033 | // otype is internally converted to dtype + otype parameters |
---|
| 1034 | static const TypeDecl::Kind kindMap[] = { TypeDecl::Dtype, TypeDecl::Dtype, TypeDecl::Ftype, TypeDecl::Ttype }; |
---|
| 1035 | assertf( sizeof(kindMap)/sizeof(kindMap[0]) == NoTypeClass, "DeclarationNode::build: kindMap is out of sync." ); |
---|
[8f60f0b] | 1036 | assertf( variable.tyClass < sizeof(kindMap)/sizeof(kindMap[0]), "Variable's tyClass is out of bounds." ); |
---|
[f0ecf9b] | 1037 | TypeDecl * ret = new TypeDecl( *name, Type::StorageClasses(), nullptr, kindMap[ variable.tyClass ], variable.tyClass == Otype, variable.initializer ? variable.initializer->buildType() : nullptr ); |
---|
[2298f728] | 1038 | buildList( variable.assertions, ret->get_assertions() ); |
---|
| 1039 | return ret; |
---|
| 1040 | } // if |
---|
| 1041 | |
---|
[843054c2] | 1042 | if ( type ) { |
---|
[dd020c0] | 1043 | // Function specifiers can only appear on a function definition/declaration. |
---|
| 1044 | // |
---|
| 1045 | // inline _Noreturn int f(); // allowed |
---|
| 1046 | // inline _Noreturn int g( int i ); // allowed |
---|
| 1047 | // inline _Noreturn int i; // disallowed |
---|
[fb04321] | 1048 | if ( type->kind != TypeData::Function && funcSpecs.any() ) { |
---|
[d55d7a6] | 1049 | throw SemanticError( this, "invalid function specifier for " ); |
---|
[dd020c0] | 1050 | } // if |
---|
[a7c90d4] | 1051 | return buildDecl( type, name ? *name : string( "" ), storageClasses, maybeBuild< Expression >( bitfieldWidth ), funcSpecs, linkage, asmName, maybeBuild< Initializer >(initializer), attributes )->set_extension( extension ); |
---|
[843054c2] | 1052 | } // if |
---|
[2298f728] | 1053 | |
---|
[dd020c0] | 1054 | // SUE's cannot have function specifiers, either |
---|
| 1055 | // |
---|
| 1056 | // inlne _Noreturn struct S { ... }; // disallowed |
---|
| 1057 | // inlne _Noreturn enum E { ... }; // disallowed |
---|
[fb04321] | 1058 | if ( funcSpecs.any() ) { |
---|
[d55d7a6] | 1059 | throw SemanticError( this, "invalid function specifier for " ); |
---|
[843054c2] | 1060 | } // if |
---|
[dd020c0] | 1061 | assertf( name, "ObjectDecl must a have name\n" ); |
---|
[a7c90d4] | 1062 | return (new ObjectDecl( *name, storageClasses, linkage, maybeBuild< Expression >( bitfieldWidth ), nullptr, maybeBuild< Initializer >( initializer ) ))->set_asmName( asmName )->set_extension( extension ); |
---|
[51b7345] | 1063 | } |
---|
| 1064 | |
---|
[ba7aa2d] | 1065 | Type * DeclarationNode::buildType() const { |
---|
[b87a5ed] | 1066 | assert( type ); |
---|
[974906e2] | 1067 | |
---|
[faddbd8] | 1068 | if ( attr.expr ) { |
---|
[c0aa336] | 1069 | return new AttrType( buildQualifiers( type ), *name, attr.expr->build(), attributes ); |
---|
[faddbd8] | 1070 | } else if ( attr.type ) { |
---|
[c0aa336] | 1071 | return new AttrType( buildQualifiers( type ), *name, attr.type->buildType(), attributes ); |
---|
[2298f728] | 1072 | } // if |
---|
| 1073 | |
---|
[b87a5ed] | 1074 | switch ( type->kind ) { |
---|
[43c89a7] | 1075 | case TypeData::Enum: |
---|
[b87a5ed] | 1076 | case TypeData::Aggregate: { |
---|
[fa4805f] | 1077 | ReferenceToType * ret = buildComAggInst( type, attributes, linkage ); |
---|
[8f6f47d7] | 1078 | buildList( type->aggregate.actuals, ret->get_parameters() ); |
---|
[b87a5ed] | 1079 | return ret; |
---|
| 1080 | } |
---|
| 1081 | case TypeData::Symbolic: { |
---|
[c0aa336] | 1082 | TypeInstType * ret = new TypeInstType( buildQualifiers( type ), *type->symbolic.name, false, attributes ); |
---|
[8f6f47d7] | 1083 | buildList( type->symbolic.actuals, ret->get_parameters() ); |
---|
[b87a5ed] | 1084 | return ret; |
---|
| 1085 | } |
---|
| 1086 | default: |
---|
[c0aa336] | 1087 | Type * simpletypes = typebuild( type ); |
---|
| 1088 | simpletypes->get_attributes() = attributes; // copy because member is const |
---|
| 1089 | return simpletypes; |
---|
[b87a5ed] | 1090 | } // switch |
---|
[3848e0e] | 1091 | } |
---|
| 1092 | |
---|
[b87a5ed] | 1093 | // Local Variables: // |
---|
| 1094 | // tab-width: 4 // |
---|
| 1095 | // mode: c++ // |
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| 1096 | // compile-command: "make install" // |
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| 1097 | // End: // |
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