[0dd3a2f] | 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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[3be261a] | 7 | // Expression.cc -- |
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[0dd3a2f] | 8 | // |
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| 9 | // Author : Richard C. Bilson |
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| 10 | // Created On : Mon May 18 07:44:20 2015 |
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[e04ef3a] | 11 | // Last Modified By : Peter A. Buhr |
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[5170d95] | 12 | // Last Modified On : Tue Feb 19 18:10:55 2019 |
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| 13 | // Update Count : 60 |
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[0dd3a2f] | 14 | // |
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| 15 | |
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[ea6332d] | 16 | #include "SynTree/Expression.h" |
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| 17 | |
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| 18 | #include <cassert> // for assert, assertf |
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| 19 | #include <iostream> // for ostream, operator<<, basic_ostream |
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| 20 | #include <list> // for list, _List_iterator, list<>::co... |
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| 21 | |
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| 22 | #include "Common/utility.h" // for maybeClone, cloneAll, deleteAll |
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| 23 | #include "Declaration.h" // for ObjectDecl, DeclarationWithType |
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| 24 | #include "Expression.h" // for Expression, ImplicitCopyCtorExpr |
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| 25 | #include "InitTweak/InitTweak.h" // for getCallArg, getPointerBase |
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| 26 | #include "Initializer.h" // for Designation, Initializer |
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| 27 | #include "Statement.h" // for CompoundStmt, ExprStmt, Statement |
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| 28 | #include "SynTree/BaseSyntaxNode.h" // for BaseSyntaxNode |
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| 29 | #include "SynTree/Constant.h" // for Constant |
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| 30 | #include "Type.h" // for Type, BasicType, Type::Qualifiers |
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| 31 | #include "TypeSubstitution.h" // for TypeSubstitution |
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[51b7345] | 32 | |
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[b0440b7] | 33 | #include "GenPoly/Lvalue.h" |
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[51b7345] | 34 | |
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[5170d95] | 35 | void printInferParams( const InferredParams & inferParams, std::ostream & os, Indenter indent, int level ) { |
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[68195a6] | 36 | if ( ! inferParams.empty() ) { |
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| 37 | os << indent << "with inferred parameters " << level << ":" << std::endl; |
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| 38 | for ( InferredParams::const_iterator i = inferParams.begin(); i != inferParams.end(); ++i ) { |
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| 39 | os << indent+1; |
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| 40 | Declaration::declFromId( i->second.decl )->printShort( os, indent+1 ); |
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| 41 | os << std::endl; |
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[0b00df0] | 42 | printInferParams( i->second.expr->inferParams, os, indent+1, level+1 ); |
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[68195a6] | 43 | } // for |
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| 44 | } // if |
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| 45 | } |
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| 46 | |
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[bf4b4cf] | 47 | Expression::Expression() : result( 0 ), env( 0 ) {} |
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[0dd3a2f] | 48 | |
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[5170d95] | 49 | Expression::Expression( const Expression & other ) : BaseSyntaxNode( other ), result( maybeClone( other.result ) ), env( maybeClone( other.env ) ), extension( other.extension ), inferParams( other.inferParams ), resnSlots( other.resnSlots ) {} |
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[0dd3a2f] | 50 | |
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[cdb990a] | 51 | void Expression::spliceInferParams( Expression * other ) { |
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| 52 | if ( ! other ) return; |
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| 53 | for ( auto p : other->inferParams ) { |
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| 54 | inferParams[p.first] = std::move( p.second ); |
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| 55 | } |
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[0b00df0] | 56 | resnSlots.insert( resnSlots.end(), other->resnSlots.begin(), other->resnSlots.end() ); |
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[cdb990a] | 57 | } |
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| 58 | |
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[0dd3a2f] | 59 | Expression::~Expression() { |
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| 60 | delete env; |
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[906e24d] | 61 | delete result; |
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[51b7345] | 62 | } |
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| 63 | |
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[5170d95] | 64 | void Expression::print( std::ostream & os, Indenter indent ) const { |
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[68195a6] | 65 | printInferParams( inferParams, os, indent+1, 0 ); |
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| 66 | |
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[0dd3a2f] | 67 | if ( env ) { |
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[50377a4] | 68 | os << std::endl << indent << "... with environment:" << std::endl; |
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| 69 | env->print( os, indent+1 ); |
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[0dd3a2f] | 70 | } // if |
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[e04ef3a] | 71 | |
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| 72 | if ( extension ) { |
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[50377a4] | 73 | os << std::endl << indent << "... with extension:"; |
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[e04ef3a] | 74 | } // if |
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[51b7345] | 75 | } |
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| 76 | |
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[bf4b4cf] | 77 | ConstantExpr::ConstantExpr( Constant _c ) : Expression(), constant( _c ) { |
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[906e24d] | 78 | set_result( constant.get_type()->clone() ); |
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[51b7345] | 79 | } |
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| 80 | |
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[5170d95] | 81 | ConstantExpr::ConstantExpr( const ConstantExpr & other) : Expression( other ), constant( other.constant ) { |
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[0dd3a2f] | 82 | } |
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[51b7345] | 83 | |
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| 84 | ConstantExpr::~ConstantExpr() {} |
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| 85 | |
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[5170d95] | 86 | void ConstantExpr::print( std::ostream & os, Indenter indent ) const { |
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[60089f4] | 87 | os << "constant expression " ; |
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[cf0941d] | 88 | constant.print( os ); |
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[0dd3a2f] | 89 | Expression::print( os, indent ); |
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[51b7345] | 90 | } |
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| 91 | |
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[ddb80bd] | 92 | long long int ConstantExpr::intValue() const { |
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| 93 | if ( BasicType * basicType = dynamic_cast< BasicType * >( result ) ) { |
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| 94 | if ( basicType->isInteger() ) { |
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| 95 | return get_constant()->get_ival(); |
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| 96 | } |
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| 97 | } else if ( dynamic_cast< OneType * >( result ) ) { |
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| 98 | return 1; |
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| 99 | } else if ( dynamic_cast< ZeroType * >( result ) ) { |
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| 100 | return 0; |
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| 101 | } |
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[a16764a6] | 102 | SemanticError( this, "Constant expression of non-integral type " ); |
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[ddb80bd] | 103 | } |
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| 104 | |
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[546e712] | 105 | VariableExpr::VariableExpr() : Expression(), var( nullptr ) {} |
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| 106 | |
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[bf4b4cf] | 107 | VariableExpr::VariableExpr( DeclarationWithType *_var ) : Expression(), var( _var ) { |
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[db4ecc5] | 108 | assert( var ); |
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| 109 | assert( var->get_type() ); |
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[906e24d] | 110 | Type * type = var->get_type()->clone(); |
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[615a096] | 111 | type->set_lvalue( true ); |
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[3de176d] | 112 | |
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| 113 | // xxx - doesn't quite work yet - get different alternatives with the same cost |
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| 114 | |
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| 115 | // // enumerators are not lvalues |
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| 116 | // if ( EnumInstType * inst = dynamic_cast< EnumInstType * >( var->get_type() ) ) { |
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| 117 | // assert( inst->baseEnum ); |
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| 118 | // EnumDecl * decl = inst->baseEnum; |
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[0690350] | 119 | // long long int value; |
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| 120 | // if ( decl->valueOf( var, value ) ) { |
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| 121 | // type->set_lvalue( false ); |
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[3de176d] | 122 | // } |
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| 123 | // } |
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| 124 | |
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[906e24d] | 125 | set_result( type ); |
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[51b7345] | 126 | } |
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| 127 | |
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[5170d95] | 128 | VariableExpr::VariableExpr( const VariableExpr & other ) : Expression( other ), var( other.var ) { |
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[51b7345] | 129 | } |
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| 130 | |
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[0dd3a2f] | 131 | VariableExpr::~VariableExpr() { |
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| 132 | // don't delete the declaration, since it points somewhere else in the tree |
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[51b7345] | 133 | } |
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| 134 | |
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[8a6cf7e] | 135 | VariableExpr * VariableExpr::functionPointer( FunctionDecl * func ) { |
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| 136 | VariableExpr * funcExpr = new VariableExpr( func ); |
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| 137 | funcExpr->set_result( new PointerType( Type::Qualifiers(), funcExpr->get_result() ) ); |
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| 138 | return funcExpr; |
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| 139 | } |
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| 140 | |
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[5170d95] | 141 | void VariableExpr::print( std::ostream & os, Indenter indent ) const { |
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[89231bc] | 142 | os << "Variable Expression: "; |
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[50377a4] | 143 | var->printShort(os, indent); |
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[0dd3a2f] | 144 | Expression::print( os, indent ); |
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[51b7345] | 145 | } |
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| 146 | |
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[5170d95] | 147 | SizeofExpr::SizeofExpr( Expression * expr_ ) : |
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[bf4b4cf] | 148 | Expression(), expr(expr_), type(0), isType(false) { |
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[906e24d] | 149 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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[51b7345] | 150 | } |
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| 151 | |
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[5170d95] | 152 | SizeofExpr::SizeofExpr( Type * type_ ) : |
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[bf4b4cf] | 153 | Expression(), expr(0), type(type_), isType(true) { |
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[906e24d] | 154 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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[51b7345] | 155 | } |
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| 156 | |
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[5170d95] | 157 | SizeofExpr::SizeofExpr( const SizeofExpr & other ) : |
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[0dd3a2f] | 158 | Expression( other ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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[51b7345] | 159 | } |
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| 160 | |
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[0dd3a2f] | 161 | SizeofExpr::~SizeofExpr() { |
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| 162 | delete expr; |
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| 163 | delete type; |
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[51b7345] | 164 | } |
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| 165 | |
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[5170d95] | 166 | void SizeofExpr::print( std::ostream & os, Indenter indent) const { |
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[89231bc] | 167 | os << "Sizeof Expression on: "; |
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[50377a4] | 168 | if (isType) type->print(os, indent+1); |
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| 169 | else expr->print(os, indent+1); |
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[47534159] | 170 | Expression::print( os, indent ); |
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| 171 | } |
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| 172 | |
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[5170d95] | 173 | AlignofExpr::AlignofExpr( Expression * expr_ ) : |
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[bf4b4cf] | 174 | Expression(), expr(expr_), type(0), isType(false) { |
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[906e24d] | 175 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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[47534159] | 176 | } |
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| 177 | |
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[5170d95] | 178 | AlignofExpr::AlignofExpr( Type * type_ ) : |
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[bf4b4cf] | 179 | Expression(), expr(0), type(type_), isType(true) { |
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[906e24d] | 180 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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[47534159] | 181 | } |
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| 182 | |
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[5170d95] | 183 | AlignofExpr::AlignofExpr( const AlignofExpr & other ) : |
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[47534159] | 184 | Expression( other ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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| 185 | } |
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| 186 | |
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| 187 | AlignofExpr::~AlignofExpr() { |
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| 188 | delete expr; |
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| 189 | delete type; |
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| 190 | } |
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| 191 | |
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[5170d95] | 192 | void AlignofExpr::print( std::ostream & os, Indenter indent) const { |
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[f19339e] | 193 | os << "Alignof Expression on: "; |
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[50377a4] | 194 | if (isType) type->print(os, indent+1); |
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| 195 | else expr->print(os, indent+1); |
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[0dd3a2f] | 196 | Expression::print( os, indent ); |
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[51b7345] | 197 | } |
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| 198 | |
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[5170d95] | 199 | UntypedOffsetofExpr::UntypedOffsetofExpr( Type * type, const std::string & member ) : |
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[bf4b4cf] | 200 | Expression(), type(type), member(member) { |
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[50377a4] | 201 | assert( type ); |
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[906e24d] | 202 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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[2a4b088] | 203 | } |
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| 204 | |
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[5170d95] | 205 | UntypedOffsetofExpr::UntypedOffsetofExpr( const UntypedOffsetofExpr & other ) : |
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[2a4b088] | 206 | Expression( other ), type( maybeClone( other.type ) ), member( other.member ) {} |
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| 207 | |
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| 208 | UntypedOffsetofExpr::~UntypedOffsetofExpr() { |
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| 209 | delete type; |
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| 210 | } |
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| 211 | |
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[5170d95] | 212 | void UntypedOffsetofExpr::print( std::ostream & os, Indenter indent) const { |
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[50377a4] | 213 | os << "Untyped Offsetof Expression on member " << member << " of "; |
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| 214 | type->print(os, indent+1); |
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[2a4b088] | 215 | Expression::print( os, indent ); |
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| 216 | } |
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| 217 | |
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[5170d95] | 218 | OffsetofExpr::OffsetofExpr( Type * type, DeclarationWithType * member ) : |
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[bf4b4cf] | 219 | Expression(), type(type), member(member) { |
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[50377a4] | 220 | assert( member ); |
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| 221 | assert( type ); |
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[906e24d] | 222 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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[25a054f] | 223 | } |
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| 224 | |
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[5170d95] | 225 | OffsetofExpr::OffsetofExpr( const OffsetofExpr & other ) : |
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[79970ed] | 226 | Expression( other ), type( maybeClone( other.type ) ), member( other.member ) {} |
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[25a054f] | 227 | |
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| 228 | OffsetofExpr::~OffsetofExpr() { |
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| 229 | delete type; |
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| 230 | } |
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| 231 | |
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[5170d95] | 232 | void OffsetofExpr::print( std::ostream & os, Indenter indent) const { |
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[50377a4] | 233 | os << "Offsetof Expression on member " << member->name << " of "; |
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| 234 | type->print(os, indent+1); |
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[25a054f] | 235 | Expression::print( os, indent ); |
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| 236 | } |
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| 237 | |
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[5170d95] | 238 | OffsetPackExpr::OffsetPackExpr( StructInstType * type ) : Expression(), type( type ) { |
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[50377a4] | 239 | assert( type ); |
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[906e24d] | 240 | set_result( new ArrayType( Type::Qualifiers(), new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ), 0, false, false ) ); |
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[afc1045] | 241 | } |
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| 242 | |
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[5170d95] | 243 | OffsetPackExpr::OffsetPackExpr( const OffsetPackExpr & other ) : Expression( other ), type( maybeClone( other.type ) ) {} |
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[afc1045] | 244 | |
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| 245 | OffsetPackExpr::~OffsetPackExpr() { delete type; } |
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| 246 | |
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[5170d95] | 247 | void OffsetPackExpr::print( std::ostream & os, Indenter indent ) const { |
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[50377a4] | 248 | os << "Offset pack expression on "; |
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| 249 | type->print(os, indent+1); |
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[25a054f] | 250 | Expression::print( os, indent ); |
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| 251 | } |
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| 252 | |
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[5170d95] | 253 | AttrExpr::AttrExpr( Expression * attr, Expression * expr_ ) : |
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[bf4b4cf] | 254 | Expression(), attr( attr ), expr(expr_), type(0), isType(false) { |
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[51b7345] | 255 | } |
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| 256 | |
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[5170d95] | 257 | AttrExpr::AttrExpr( Expression * attr, Type * type_ ) : |
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[bf4b4cf] | 258 | Expression(), attr( attr ), expr(0), type(type_), isType(true) { |
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[51b7345] | 259 | } |
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| 260 | |
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[5170d95] | 261 | AttrExpr::AttrExpr( const AttrExpr & other ) : |
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[0dd3a2f] | 262 | Expression( other ), attr( maybeClone( other.attr ) ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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[51b7345] | 263 | } |
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| 264 | |
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[0dd3a2f] | 265 | AttrExpr::~AttrExpr() { |
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| 266 | delete attr; |
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| 267 | delete expr; |
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| 268 | delete type; |
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[51b7345] | 269 | } |
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| 270 | |
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[5170d95] | 271 | void AttrExpr::print( std::ostream & os, Indenter indent) const { |
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[f19339e] | 272 | os << "Attr "; |
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[50377a4] | 273 | attr->print( os, indent+1); |
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[0dd3a2f] | 274 | if ( isType || expr ) { |
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| 275 | os << "applied to: "; |
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[50377a4] | 276 | if (isType) type->print(os, indent+1); |
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| 277 | else expr->print(os, indent+1); |
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[0dd3a2f] | 278 | } // if |
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| 279 | Expression::print( os, indent ); |
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[51b7345] | 280 | } |
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| 281 | |
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[5170d95] | 282 | CastExpr::CastExpr( Expression * arg, Type * toType, bool isGenerated ) : arg(arg), isGenerated( isGenerated ) { |
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[906e24d] | 283 | set_result(toType); |
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[51b7345] | 284 | } |
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| 285 | |
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[5170d95] | 286 | CastExpr::CastExpr( Expression * arg, bool isGenerated ) : arg(arg), isGenerated( isGenerated ) { |
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[906e24d] | 287 | set_result( new VoidType( Type::Qualifiers() ) ); |
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[51b7345] | 288 | } |
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| 289 | |
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[5170d95] | 290 | CastExpr::CastExpr( const CastExpr & other ) : Expression( other ), arg( maybeClone( other.arg ) ), isGenerated( other.isGenerated ) { |
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[51b7345] | 291 | } |
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| 292 | |
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| 293 | CastExpr::~CastExpr() { |
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[0dd3a2f] | 294 | delete arg; |
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[51b7345] | 295 | } |
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| 296 | |
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[5170d95] | 297 | void CastExpr::print( std::ostream & os, Indenter indent ) const { |
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| 298 | os << (isGenerated ? "Generated " : "Explicit ") << "Cast of:" << std::endl << indent+1; |
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[50377a4] | 299 | arg->print(os, indent+1); |
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| 300 | os << std::endl << indent << "... to:"; |
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[906e24d] | 301 | if ( result->isVoid() ) { |
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[50377a4] | 302 | os << " nothing"; |
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[0dd3a2f] | 303 | } else { |
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[50377a4] | 304 | os << std::endl << indent+1; |
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| 305 | result->print( os, indent+1 ); |
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[0dd3a2f] | 306 | } // if |
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| 307 | Expression::print( os, indent ); |
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| 308 | } |
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| 309 | |
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[5170d95] | 310 | KeywordCastExpr::KeywordCastExpr( Expression * arg, Target target ) : Expression(), arg(arg), target( target ) { |
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[9a705dc8] | 311 | } |
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| 312 | |
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[5170d95] | 313 | KeywordCastExpr::KeywordCastExpr( const KeywordCastExpr & other ) : Expression( other ), arg( maybeClone( other.arg ) ), target( other.target ) { |
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[9a705dc8] | 314 | } |
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| 315 | |
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| 316 | KeywordCastExpr::~KeywordCastExpr() { |
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| 317 | delete arg; |
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| 318 | } |
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| 319 | |
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| 320 | const std::string & KeywordCastExpr::targetString() const { |
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| 321 | static const std::string targetStrs[] = { |
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| 322 | "coroutine", "thread", "monitor" |
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| 323 | }; |
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| 324 | static_assert( |
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| 325 | (sizeof(targetStrs) / sizeof(targetStrs[0])) == ((unsigned long)NUMBER_OF_TARGETS), |
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| 326 | "Each KeywordCastExpr::Target should have a corresponding string representation" |
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| 327 | ); |
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| 328 | return targetStrs[(unsigned long)target]; |
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| 329 | } |
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| 330 | |
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[5170d95] | 331 | void KeywordCastExpr::print( std::ostream & os, Indenter indent ) const { |
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[9a705dc8] | 332 | os << "Keyword Cast of:" << std::endl << indent+1; |
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| 333 | arg->print(os, indent+1); |
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| 334 | os << std::endl << indent << "... to: "; |
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| 335 | os << targetString(); |
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| 336 | Expression::print( os, indent ); |
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| 337 | } |
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| 338 | |
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[5170d95] | 339 | VirtualCastExpr::VirtualCastExpr( Expression * arg_, Type * toType ) : Expression(), arg(arg_) { |
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[a5f0529] | 340 | set_result(toType); |
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| 341 | } |
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| 342 | |
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[5170d95] | 343 | VirtualCastExpr::VirtualCastExpr( const VirtualCastExpr & other ) : Expression( other ), arg( maybeClone( other.arg ) ) { |
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[a5f0529] | 344 | } |
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| 345 | |
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| 346 | VirtualCastExpr::~VirtualCastExpr() { |
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| 347 | delete arg; |
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| 348 | } |
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| 349 | |
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[5170d95] | 350 | void VirtualCastExpr::print( std::ostream & os, Indenter indent ) const { |
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[50377a4] | 351 | os << "Virtual Cast of:" << std::endl << indent+1; |
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| 352 | arg->print(os, indent+1); |
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| 353 | os << std::endl << indent << "... to:"; |
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[a5f0529] | 354 | if ( ! result ) { |
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[50377a4] | 355 | os << " unknown"; |
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[a5f0529] | 356 | } else { |
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[50377a4] | 357 | os << std::endl << indent+1; |
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| 358 | result->print( os, indent+1 ); |
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[a5f0529] | 359 | } // if |
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| 360 | Expression::print( os, indent ); |
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| 361 | } |
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| 362 | |
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[5170d95] | 363 | UntypedMemberExpr::UntypedMemberExpr( Expression * member, Expression * aggregate ) : |
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[bf4b4cf] | 364 | Expression(), member(member), aggregate(aggregate) { |
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[50377a4] | 365 | assert( aggregate ); |
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| 366 | } |
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[51b7345] | 367 | |
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[5170d95] | 368 | UntypedMemberExpr::UntypedMemberExpr( const UntypedMemberExpr & other ) : |
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[3b58d91] | 369 | Expression( other ), member( maybeClone( other.member ) ), aggregate( maybeClone( other.aggregate ) ) { |
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[51b7345] | 370 | } |
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| 371 | |
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| 372 | UntypedMemberExpr::~UntypedMemberExpr() { |
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[0dd3a2f] | 373 | delete aggregate; |
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[3b58d91] | 374 | delete member; |
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[51b7345] | 375 | } |
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| 376 | |
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[5170d95] | 377 | void UntypedMemberExpr::print( std::ostream & os, Indenter indent ) const { |
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[50377a4] | 378 | os << "Untyped Member Expression, with field: " << std::endl << indent+1; |
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| 379 | member->print(os, indent+1 ); |
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[08222c7] | 380 | os << indent << "... from aggregate:" << std::endl << indent+1; |
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[50377a4] | 381 | aggregate->print(os, indent+1); |
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[0dd3a2f] | 382 | Expression::print( os, indent ); |
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[51b7345] | 383 | } |
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| 384 | |
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[5170d95] | 385 | MemberExpr::MemberExpr( DeclarationWithType * member, Expression * aggregate ) : |
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[bf4b4cf] | 386 | Expression(), member(member), aggregate(aggregate) { |
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[50377a4] | 387 | assert( member ); |
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| 388 | assert( aggregate ); |
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[9bfc9da] | 389 | assert( aggregate->result ); |
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[d9fa60a] | 390 | |
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[9bfc9da] | 391 | TypeSubstitution sub = aggregate->result->genericSubstitution(); |
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[d9fa60a] | 392 | Type * res = member->get_type()->clone(); |
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| 393 | sub.apply( res ); |
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[487845d7] | 394 | result = res; |
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| 395 | result->set_lvalue( true ); |
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| 396 | result->get_qualifiers() |= aggregate->result->get_qualifiers(); |
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[51b7345] | 397 | } |
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| 398 | |
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[5170d95] | 399 | MemberExpr::MemberExpr( const MemberExpr & other ) : |
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[39f84a4] | 400 | Expression( other ), member( other.member ), aggregate( maybeClone( other.aggregate ) ) { |
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[51b7345] | 401 | } |
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| 402 | |
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| 403 | MemberExpr::~MemberExpr() { |
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[4551a6e] | 404 | // don't delete the member declaration, since it points somewhere else in the tree |
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[0dd3a2f] | 405 | delete aggregate; |
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[51b7345] | 406 | } |
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| 407 | |
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[5170d95] | 408 | void MemberExpr::print( std::ostream & os, Indenter indent ) const { |
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[08222c7] | 409 | os << "Member Expression, with field:" << std::endl; |
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[50377a4] | 410 | os << indent+1; |
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| 411 | member->print( os, indent+1 ); |
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[08222c7] | 412 | os << std::endl << indent << "... from aggregate:" << std::endl << indent+1; |
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[50377a4] | 413 | aggregate->print(os, indent + 1); |
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[0dd3a2f] | 414 | Expression::print( os, indent ); |
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[51b7345] | 415 | } |
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| 416 | |
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[5170d95] | 417 | UntypedExpr::UntypedExpr( Expression * function, const std::list<Expression *> & args ) : |
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[bf4b4cf] | 418 | Expression(), function(function), args(args) {} |
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[51b7345] | 419 | |
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[5170d95] | 420 | UntypedExpr::UntypedExpr( const UntypedExpr & other ) : |
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[0dd3a2f] | 421 | Expression( other ), function( maybeClone( other.function ) ) { |
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| 422 | cloneAll( other.args, args ); |
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[51b7345] | 423 | } |
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| 424 | |
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[ac71a86] | 425 | UntypedExpr::~UntypedExpr() { |
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| 426 | delete function; |
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[03b812d2] | 427 | deleteAll( args ); |
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[ac71a86] | 428 | } |
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[51b7345] | 429 | |
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[b3b2077] | 430 | UntypedExpr * UntypedExpr::createDeref( Expression * expr ) { |
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| 431 | UntypedExpr * ret = new UntypedExpr( new NameExpr("*?"), std::list< Expression * >{ expr } ); |
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| 432 | if ( Type * type = expr->get_result() ) { |
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| 433 | Type * base = InitTweak::getPointerBase( type ); |
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[0698aa1] | 434 | assertf( base, "expected pointer type in dereference (type was %s)", toString( type ).c_str() ); |
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[b0440b7] | 435 | ret->set_result( base->clone() ); |
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| 436 | if ( GenPoly::referencesPermissable() ) { |
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| 437 | // if references are still allowed in the AST, dereference returns a reference |
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| 438 | ret->set_result( new ReferenceType( Type::Qualifiers(), ret->get_result() ) ); |
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| 439 | } else { |
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| 440 | // references have been removed, in which case dereference returns an lvalue of the base type. |
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[0690350] | 441 | ret->result->set_lvalue( true ); |
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[b0440b7] | 442 | } |
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[b3b2077] | 443 | } |
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| 444 | return ret; |
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| 445 | } |
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| 446 | |
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| 447 | UntypedExpr * UntypedExpr::createAssign( Expression * arg1, Expression * arg2 ) { |
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| 448 | assert( arg1 && arg2 ); |
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| 449 | UntypedExpr * ret = new UntypedExpr( new NameExpr( "?=?" ), std::list< Expression * >{ arg1, arg2 } ); |
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| 450 | if ( arg1->get_result() && arg2->get_result() ) { |
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| 451 | // if both expressions are typed, assumes that this assignment is a C bitwise assignment, |
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| 452 | // so the result is the type of the RHS |
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| 453 | ret->set_result( arg2->get_result()->clone() ); |
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| 454 | } |
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| 455 | return ret; |
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| 456 | } |
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| 457 | |
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| 458 | |
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[5170d95] | 459 | void UntypedExpr::print( std::ostream & os, Indenter indent ) const { |
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[07ec1a2] | 460 | os << "Applying untyped:" << std::endl; |
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[50377a4] | 461 | os << indent+1; |
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| 462 | function->print(os, indent+1); |
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[07ec1a2] | 463 | os << std::endl << indent << "...to:" << std::endl; |
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[50377a4] | 464 | printAll(args, os, indent+1); |
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[0dd3a2f] | 465 | Expression::print( os, indent ); |
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[51b7345] | 466 | } |
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| 467 | |
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[bf4b4cf] | 468 | NameExpr::NameExpr( std::string name ) : Expression(), name(name) { |
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[50377a4] | 469 | assertf(name != "0", "Zero is not a valid name"); |
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| 470 | assertf(name != "1", "One is not a valid name"); |
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[4cb935e] | 471 | } |
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[51b7345] | 472 | |
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[5170d95] | 473 | NameExpr::NameExpr( const NameExpr & other ) : Expression( other ), name( other.name ) { |
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[51b7345] | 474 | } |
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| 475 | |
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| 476 | NameExpr::~NameExpr() {} |
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| 477 | |
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[5170d95] | 478 | void NameExpr::print( std::ostream & os, Indenter indent ) const { |
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[50377a4] | 479 | os << "Name: " << get_name(); |
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[0dd3a2f] | 480 | Expression::print( os, indent ); |
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[51b7345] | 481 | } |
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| 482 | |
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[5170d95] | 483 | LogicalExpr::LogicalExpr( Expression * arg1_, Expression * arg2_, bool andp ) : |
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[bf4b4cf] | 484 | Expression(), arg1(arg1_), arg2(arg2_), isAnd(andp) { |
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[906e24d] | 485 | set_result( new BasicType( Type::Qualifiers(), BasicType::SignedInt ) ); |
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[51b7345] | 486 | } |
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| 487 | |
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[5170d95] | 488 | LogicalExpr::LogicalExpr( const LogicalExpr & other ) : |
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[0dd3a2f] | 489 | Expression( other ), arg1( maybeClone( other.arg1 ) ), arg2( maybeClone( other.arg2 ) ), isAnd( other.isAnd ) { |
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[51b7345] | 490 | } |
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| 491 | |
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[a08ba92] | 492 | LogicalExpr::~LogicalExpr() { |
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[0dd3a2f] | 493 | delete arg1; |
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| 494 | delete arg2; |
---|
[51b7345] | 495 | } |
---|
| 496 | |
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[5170d95] | 497 | void LogicalExpr::print( std::ostream & os, Indenter indent )const { |
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[50377a4] | 498 | os << "Short-circuited operation (" << (isAnd ? "and" : "or") << ") on: "; |
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[0dd3a2f] | 499 | arg1->print(os); |
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| 500 | os << " and "; |
---|
| 501 | arg2->print(os); |
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| 502 | Expression::print( os, indent ); |
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[51b7345] | 503 | } |
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| 504 | |
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[bf4b4cf] | 505 | ConditionalExpr::ConditionalExpr( Expression * arg1, Expression * arg2, Expression * arg3 ) : |
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| 506 | Expression(), arg1(arg1), arg2(arg2), arg3(arg3) {} |
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[51b7345] | 507 | |
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[5170d95] | 508 | ConditionalExpr::ConditionalExpr( const ConditionalExpr & other ) : |
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[0dd3a2f] | 509 | Expression( other ), arg1( maybeClone( other.arg1 ) ), arg2( maybeClone( other.arg2 ) ), arg3( maybeClone( other.arg3 ) ) { |
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| 510 | } |
---|
[51b7345] | 511 | |
---|
| 512 | ConditionalExpr::~ConditionalExpr() { |
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[0dd3a2f] | 513 | delete arg1; |
---|
| 514 | delete arg2; |
---|
| 515 | delete arg3; |
---|
[51b7345] | 516 | } |
---|
| 517 | |
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[5170d95] | 518 | void ConditionalExpr::print( std::ostream & os, Indenter indent ) const { |
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[50377a4] | 519 | os << "Conditional expression on: " << std::endl << indent+1; |
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| 520 | arg1->print( os, indent+1 ); |
---|
| 521 | os << indent << "First alternative:" << std::endl << indent+1; |
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| 522 | arg2->print( os, indent+1 ); |
---|
| 523 | os << indent << "Second alternative:" << std::endl << indent+1; |
---|
| 524 | arg3->print( os, indent+1 ); |
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[0dd3a2f] | 525 | Expression::print( os, indent ); |
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| 526 | } |
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| 527 | |
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[e6cee92] | 528 | AsmExpr::AsmExpr( const AsmExpr & other ) : Expression( other ), inout( maybeClone( other.inout ) ), constraint( maybeClone( other.constraint ) ), operand( maybeClone( other.operand ) ) {} |
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[3be261a] | 529 | |
---|
| 530 | |
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[5170d95] | 531 | void AsmExpr::print( std::ostream & os, Indenter indent ) const { |
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[7f5566b] | 532 | os << "Asm Expression: " << std::endl; |
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[50377a4] | 533 | if ( inout ) inout->print( os, indent+1 ); |
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| 534 | if ( constraint ) constraint->print( os, indent+1 ); |
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| 535 | if ( operand ) operand->print( os, indent+1 ); |
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[7f5566b] | 536 | } |
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| 537 | |
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[db4ecc5] | 538 | |
---|
| 539 | ImplicitCopyCtorExpr::ImplicitCopyCtorExpr( ApplicationExpr * callExpr ) : callExpr( callExpr ) { |
---|
| 540 | assert( callExpr ); |
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[50377a4] | 541 | assert( callExpr->result ); |
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[2f86ddf] | 542 | set_result( callExpr->result->clone() ); |
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[db4ecc5] | 543 | } |
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| 544 | |
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| 545 | ImplicitCopyCtorExpr::ImplicitCopyCtorExpr( const ImplicitCopyCtorExpr & other ) : Expression( other ), callExpr( maybeClone( other.callExpr ) ) { |
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| 546 | } |
---|
| 547 | |
---|
| 548 | ImplicitCopyCtorExpr::~ImplicitCopyCtorExpr() { |
---|
[d5556a3] | 549 | set_env( nullptr ); // ImplicitCopyCtorExpr does not take ownership of an environment |
---|
[db4ecc5] | 550 | delete callExpr; |
---|
| 551 | } |
---|
| 552 | |
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[5170d95] | 553 | void ImplicitCopyCtorExpr::print( std::ostream & os, Indenter indent ) const { |
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[50377a4] | 554 | os << "Implicit Copy Constructor Expression: " << std::endl << indent+1; |
---|
| 555 | callExpr->print( os, indent+1 ); |
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[db4ecc5] | 556 | } |
---|
| 557 | |
---|
[3be261a] | 558 | |
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[b6fe7e6] | 559 | ConstructorExpr::ConstructorExpr( Expression * callExpr ) : callExpr( callExpr ) { |
---|
| 560 | // allow resolver to type a constructor used as an expression as if it has the same type as its first argument |
---|
| 561 | assert( callExpr ); |
---|
| 562 | Expression * arg = InitTweak::getCallArg( callExpr, 0 ); |
---|
| 563 | assert( arg ); |
---|
[50377a4] | 564 | set_result( maybeClone( arg->result ) ); |
---|
[b6fe7e6] | 565 | } |
---|
[3be261a] | 566 | |
---|
[b6fe7e6] | 567 | ConstructorExpr::ConstructorExpr( const ConstructorExpr & other ) : Expression( other ), callExpr( maybeClone( other.callExpr ) ) { |
---|
| 568 | } |
---|
| 569 | |
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| 570 | ConstructorExpr::~ConstructorExpr() { |
---|
| 571 | delete callExpr; |
---|
| 572 | } |
---|
| 573 | |
---|
[5170d95] | 574 | void ConstructorExpr::print( std::ostream & os, Indenter indent ) const { |
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[50377a4] | 575 | os << "Constructor Expression: " << std::endl << indent+1; |
---|
[b6fe7e6] | 576 | callExpr->print( os, indent + 2 ); |
---|
| 577 | Expression::print( os, indent ); |
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[0dd3a2f] | 578 | } |
---|
| 579 | |
---|
[3be261a] | 580 | |
---|
[fbcde64] | 581 | CompoundLiteralExpr::CompoundLiteralExpr( Type * type, Initializer * initializer ) : initializer( initializer ) { |
---|
[3c13c03] | 582 | assert( type && initializer ); |
---|
[5ccb10d] | 583 | type->set_lvalue( true ); |
---|
[fbcde64] | 584 | set_result( type ); |
---|
[630a82a] | 585 | } |
---|
| 586 | |
---|
[5170d95] | 587 | CompoundLiteralExpr::CompoundLiteralExpr( const CompoundLiteralExpr & other ) : Expression( other ), initializer( other.initializer->clone() ) {} |
---|
[630a82a] | 588 | |
---|
| 589 | CompoundLiteralExpr::~CompoundLiteralExpr() { |
---|
| 590 | delete initializer; |
---|
| 591 | } |
---|
| 592 | |
---|
[5170d95] | 593 | void CompoundLiteralExpr::print( std::ostream & os, Indenter indent ) const { |
---|
[50377a4] | 594 | os << "Compound Literal Expression: " << std::endl << indent+1; |
---|
| 595 | result->print( os, indent+1 ); |
---|
| 596 | os << indent+1; |
---|
| 597 | initializer->print( os, indent+1 ); |
---|
[d5556a3] | 598 | Expression::print( os, indent ); |
---|
[630a82a] | 599 | } |
---|
| 600 | |
---|
[5170d95] | 601 | RangeExpr::RangeExpr( Expression * low, Expression * high ) : low( low ), high( high ) {} |
---|
| 602 | RangeExpr::RangeExpr( const RangeExpr & other ) : Expression( other ), low( other.low->clone() ), high( other.high->clone() ) {} |
---|
| 603 | void RangeExpr::print( std::ostream & os, Indenter indent ) const { |
---|
[3c13c03] | 604 | os << "Range Expression: "; |
---|
[8688ce1] | 605 | low->print( os, indent ); |
---|
| 606 | os << " ... "; |
---|
| 607 | high->print( os, indent ); |
---|
[d5556a3] | 608 | Expression::print( os, indent ); |
---|
[8688ce1] | 609 | } |
---|
[3be261a] | 610 | |
---|
[5170d95] | 611 | StmtExpr::StmtExpr( CompoundStmt * statements ) : statements( statements ) { |
---|
[5e2c348] | 612 | computeResult(); |
---|
| 613 | } |
---|
[0e315a5] | 614 | StmtExpr::StmtExpr( const StmtExpr & other ) : Expression( other ), statements( other.statements->clone() ), resultExpr( other.resultExpr ) { |
---|
[5e2c348] | 615 | cloneAll( other.returnDecls, returnDecls ); |
---|
| 616 | cloneAll( other.dtors, dtors ); |
---|
| 617 | } |
---|
| 618 | StmtExpr::~StmtExpr() { |
---|
| 619 | delete statements; |
---|
| 620 | deleteAll( dtors ); |
---|
| 621 | deleteAll( returnDecls ); |
---|
| 622 | } |
---|
| 623 | void StmtExpr::computeResult() { |
---|
[6eb8948] | 624 | assert( statements ); |
---|
[5e2c348] | 625 | std::list< Statement * > & body = statements->kids; |
---|
| 626 | delete result; |
---|
| 627 | result = nullptr; |
---|
[0992849] | 628 | if ( ! returnDecls.empty() ) { |
---|
| 629 | // prioritize return decl for result type, since if a return decl exists, then |
---|
| 630 | // the StmtExpr is currently in an intermediate state where the body will always |
---|
| 631 | // give a void result type. |
---|
| 632 | result = returnDecls.front()->get_type()->clone(); |
---|
| 633 | } else if ( ! body.empty() ) { |
---|
[6eb8948] | 634 | if ( ExprStmt * exprStmt = dynamic_cast< ExprStmt * >( body.back() ) ) { |
---|
[9fe33947] | 635 | result = maybeClone( exprStmt->expr->result ); |
---|
[6eb8948] | 636 | } |
---|
| 637 | } |
---|
[07516b56] | 638 | // ensure that StmtExpr has a result type |
---|
| 639 | if ( ! result ) { |
---|
[9fe33947] | 640 | result = new VoidType( Type::Qualifiers() ); |
---|
[07516b56] | 641 | } |
---|
[6eb8948] | 642 | } |
---|
[5170d95] | 643 | void StmtExpr::print( std::ostream & os, Indenter indent ) const { |
---|
[50377a4] | 644 | os << "Statement Expression: " << std::endl << indent+1; |
---|
| 645 | statements->print( os, indent+1 ); |
---|
[d5556a3] | 646 | if ( ! returnDecls.empty() ) { |
---|
[50377a4] | 647 | os << indent+1 << "... with returnDecls: "; |
---|
| 648 | printAll( returnDecls, os, indent+1 ); |
---|
[d5556a3] | 649 | } |
---|
| 650 | if ( ! dtors.empty() ) { |
---|
[50377a4] | 651 | os << indent+1 << "... with dtors: "; |
---|
| 652 | printAll( dtors, os, indent+1 ); |
---|
[d5556a3] | 653 | } |
---|
| 654 | Expression::print( os, indent ); |
---|
[6eb8948] | 655 | } |
---|
| 656 | |
---|
[3c13c03] | 657 | |
---|
[bf32bb8] | 658 | long long UniqueExpr::count = 0; |
---|
[5170d95] | 659 | UniqueExpr::UniqueExpr( Expression * expr, long long idVal ) : expr( expr ), object( nullptr ), var( nullptr ), id( idVal ) { |
---|
[141b786] | 660 | assert( expr ); |
---|
[bf32bb8] | 661 | assert( count != -1 ); |
---|
| 662 | if ( id == -1 ) id = count++; |
---|
| 663 | if ( expr->get_result() ) { |
---|
| 664 | set_result( expr->get_result()->clone() ); |
---|
| 665 | } |
---|
[3c13c03] | 666 | } |
---|
[5170d95] | 667 | UniqueExpr::UniqueExpr( const UniqueExpr & other ) : Expression( other ), expr( maybeClone( other.expr ) ), object( maybeClone( other.object ) ), var( maybeClone( other.var ) ), id( other.id ) { |
---|
[3c13c03] | 668 | } |
---|
| 669 | UniqueExpr::~UniqueExpr() { |
---|
[141b786] | 670 | delete expr; |
---|
| 671 | delete object; |
---|
| 672 | delete var; |
---|
[3c13c03] | 673 | } |
---|
[5170d95] | 674 | void UniqueExpr::print( std::ostream & os, Indenter indent ) const { |
---|
[50377a4] | 675 | os << "Unique Expression with id:" << id << std::endl << indent+1; |
---|
| 676 | expr->print( os, indent+1 ); |
---|
| 677 | if ( object ) { |
---|
| 678 | os << indent << "... with decl: "; |
---|
| 679 | get_object()->printShort( os, indent+1 ); |
---|
[77971f6] | 680 | } |
---|
[d5556a3] | 681 | Expression::print( os, indent ); |
---|
[3c13c03] | 682 | } |
---|
| 683 | |
---|
[e4d829b] | 684 | InitAlternative::InitAlternative( Type * type, Designation * designation ) : type( type ), designation( designation ) {} |
---|
| 685 | InitAlternative::InitAlternative( const InitAlternative & other ) : type( maybeClone( other.type ) ), designation( maybeClone( other.designation ) ) {} |
---|
| 686 | InitAlternative::~InitAlternative() { |
---|
| 687 | delete type; |
---|
| 688 | delete designation; |
---|
| 689 | } |
---|
| 690 | |
---|
| 691 | UntypedInitExpr::UntypedInitExpr( Expression * expr, const std::list<InitAlternative> & initAlts ) : expr( expr ), initAlts( initAlts ) {} |
---|
| 692 | UntypedInitExpr::UntypedInitExpr( const UntypedInitExpr & other ) : Expression( other ), expr( maybeClone( other.expr ) ), initAlts( other.initAlts ) {} |
---|
| 693 | UntypedInitExpr::~UntypedInitExpr() { |
---|
| 694 | delete expr; |
---|
| 695 | } |
---|
| 696 | |
---|
[50377a4] | 697 | void UntypedInitExpr::print( std::ostream & os, Indenter indent ) const { |
---|
| 698 | os << "Untyped Init Expression" << std::endl << indent+1; |
---|
| 699 | expr->print( os, indent+1 ); |
---|
[e4d829b] | 700 | if ( ! initAlts.empty() ) { |
---|
| 701 | for ( const InitAlternative & alt : initAlts ) { |
---|
[50377a4] | 702 | os << indent+1 << "InitAlternative: "; |
---|
| 703 | alt.type->print( os, indent+1 ); |
---|
| 704 | alt.designation->print( os, indent+1 ); |
---|
[e4d829b] | 705 | } |
---|
| 706 | } |
---|
| 707 | } |
---|
| 708 | |
---|
[62423350] | 709 | InitExpr::InitExpr( Expression * expr, Designation * designation ) : expr( expr ), designation( designation ) { |
---|
| 710 | set_result( expr->get_result()->clone() ); |
---|
[e4d829b] | 711 | } |
---|
| 712 | InitExpr::InitExpr( const InitExpr & other ) : Expression( other ), expr( maybeClone( other.expr ) ), designation( maybeClone( other.designation) ) {} |
---|
| 713 | InitExpr::~InitExpr() { |
---|
| 714 | delete expr; |
---|
| 715 | delete designation; |
---|
| 716 | } |
---|
| 717 | |
---|
[50377a4] | 718 | void InitExpr::print( std::ostream & os, Indenter indent ) const { |
---|
| 719 | os << "Init Expression" << std::endl << indent+1; |
---|
| 720 | expr->print( os, indent+1 ); |
---|
| 721 | os << indent+1 << "... with designation: "; |
---|
| 722 | designation->print( os, indent+1 ); |
---|
[e4d829b] | 723 | } |
---|
| 724 | |
---|
[44b4114] | 725 | DeletedExpr::DeletedExpr( Expression * expr, BaseSyntaxNode * deleteStmt ) : expr( expr ), deleteStmt( deleteStmt ) { |
---|
| 726 | assert( expr->result ); |
---|
| 727 | result = expr->result->clone(); |
---|
| 728 | } |
---|
| 729 | DeletedExpr::DeletedExpr( const DeletedExpr & other ) : Expression( other ), expr( maybeClone( other.expr ) ), deleteStmt( other.deleteStmt ) {} |
---|
| 730 | DeletedExpr::~DeletedExpr() { |
---|
| 731 | delete expr; |
---|
| 732 | } |
---|
| 733 | |
---|
| 734 | void DeletedExpr::print( std::ostream & os, Indenter indent ) const { |
---|
| 735 | os << "Deleted Expression" << std::endl << indent+1; |
---|
| 736 | expr->print( os, indent+1 ); |
---|
| 737 | os << std::endl << indent+1 << "... deleted by: "; |
---|
| 738 | deleteStmt->print( os, indent+1 ); |
---|
| 739 | } |
---|
| 740 | |
---|
[0f79853] | 741 | |
---|
| 742 | DefaultArgExpr::DefaultArgExpr( Expression * expr ) : expr( expr ) { |
---|
| 743 | assert( expr->result ); |
---|
| 744 | result = expr->result->clone(); |
---|
| 745 | } |
---|
| 746 | DefaultArgExpr::DefaultArgExpr( const DefaultArgExpr & other ) : Expression( other ), expr( maybeClone( other.expr ) ) {} |
---|
| 747 | DefaultArgExpr::~DefaultArgExpr() { |
---|
| 748 | delete expr; |
---|
| 749 | } |
---|
| 750 | |
---|
| 751 | void DefaultArgExpr::print( std::ostream & os, Indenter indent ) const { |
---|
| 752 | os << "Default Argument Expression" << std::endl << indent+1; |
---|
| 753 | expr->print( os, indent+1 ); |
---|
| 754 | } |
---|
| 755 | |
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[d807ca28] | 756 | GenericExpr::Association::Association( Type * type, Expression * expr ) : type( type ), expr( expr ), isDefault( false ) {} |
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| 757 | GenericExpr::Association::Association( Expression * expr ) : type( nullptr ), expr( expr ), isDefault( true ) {} |
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| 758 | GenericExpr::Association::Association( const Association & other ) : type( maybeClone( other.type ) ), expr( maybeClone( other.expr ) ), isDefault( other.isDefault ) {} |
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| 759 | GenericExpr::Association::~Association() { |
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| 760 | delete type; |
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| 761 | delete expr; |
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| 762 | } |
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| 763 | |
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| 764 | GenericExpr::GenericExpr( Expression * control, const std::list<Association> & assoc ) : Expression(), control( control ), associations( assoc ) {} |
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| 765 | GenericExpr::GenericExpr( const GenericExpr & other ) : Expression(other), control( maybeClone( other.control ) ), associations( other.associations ) { |
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| 766 | } |
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| 767 | GenericExpr::~GenericExpr() { |
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| 768 | delete control; |
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| 769 | } |
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| 770 | |
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| 771 | void GenericExpr::print( std::ostream & os, Indenter indent ) const { |
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| 772 | os << "C11 _Generic Expression" << std::endl << indent+1; |
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| 773 | control->print( os, indent+1 ); |
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| 774 | os << std::endl << indent+1 << "... with associations: " << std::endl; |
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| 775 | for ( const Association & assoc : associations ) { |
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| 776 | os << indent+1; |
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| 777 | if (assoc.isDefault) { |
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| 778 | os << "... default: "; |
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| 779 | assoc.expr->print( os, indent+1 ); |
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| 780 | } else { |
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| 781 | os << "... type: "; |
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| 782 | assoc.type->print( os, indent+1 ); |
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| 783 | os << std::endl << indent+1 << "... expression: "; |
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| 784 | assoc.expr->print( os, indent+1 ); |
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| 785 | os << std::endl; |
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| 786 | } |
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| 787 | os << std::endl; |
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| 788 | } |
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| 789 | } |
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[44b4114] | 790 | |
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[0dd3a2f] | 791 | // Local Variables: // |
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| 792 | // tab-width: 4 // |
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| 793 | // mode: c++ // |
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| 794 | // compile-command: "make install" // |
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| 795 | // End: // |
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