[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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[a5f0529] | 12 | // Last Modified On : Tue Jul 25 14:15:47 2017 |
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| 13 | // Update Count : 54 |
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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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[906e24d] | 35 | Expression::Expression( Expression *_aname ) : result( 0 ), env( 0 ), argName( _aname ) {} |
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[0dd3a2f] | 36 | |
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[64ac636] | 37 | Expression::Expression( const Expression &other ) : BaseSyntaxNode( other ), result( maybeClone( other.result ) ), env( maybeClone( other.env ) ), argName( maybeClone( other.get_argName() ) ), extension( other.extension ) { |
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[0dd3a2f] | 38 | } |
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| 39 | |
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| 40 | Expression::~Expression() { |
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| 41 | delete env; |
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[7f5566b] | 42 | delete argName; // xxx -- there's a problem in cloning ConstantExpr I still don't know how to fix |
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[906e24d] | 43 | delete result; |
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[51b7345] | 44 | } |
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| 45 | |
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[59db689] | 46 | void Expression::print( std::ostream &os, int indent ) const { |
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[0dd3a2f] | 47 | if ( env ) { |
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[cf0941d] | 48 | os << std::string( indent, ' ' ) << "with environment:" << std::endl; |
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[0dd3a2f] | 49 | env->print( os, indent+2 ); |
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| 50 | } // if |
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[51b7345] | 51 | |
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[0dd3a2f] | 52 | if ( argName ) { |
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[cf0941d] | 53 | os << std::string( indent, ' ' ) << "with designator:"; |
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[0dd3a2f] | 54 | argName->print( os, indent+2 ); |
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| 55 | } // if |
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[e04ef3a] | 56 | |
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| 57 | if ( extension ) { |
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| 58 | os << std::string( indent, ' ' ) << "with extension:"; |
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| 59 | } // if |
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[51b7345] | 60 | } |
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| 61 | |
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[0dd3a2f] | 62 | ConstantExpr::ConstantExpr( Constant _c, Expression *_aname ) : Expression( _aname ), constant( _c ) { |
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[906e24d] | 63 | set_result( constant.get_type()->clone() ); |
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[51b7345] | 64 | } |
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| 65 | |
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[0dd3a2f] | 66 | ConstantExpr::ConstantExpr( const ConstantExpr &other) : Expression( other ), constant( other.constant ) { |
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| 67 | } |
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[51b7345] | 68 | |
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| 69 | ConstantExpr::~ConstantExpr() {} |
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| 70 | |
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[0dd3a2f] | 71 | void ConstantExpr::print( std::ostream &os, int indent ) const { |
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[60089f4] | 72 | os << "constant expression " ; |
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[cf0941d] | 73 | constant.print( os ); |
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[0dd3a2f] | 74 | Expression::print( os, indent ); |
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[51b7345] | 75 | } |
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| 76 | |
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[0dd3a2f] | 77 | VariableExpr::VariableExpr( DeclarationWithType *_var, Expression *_aname ) : Expression( _aname ), var( _var ) { |
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[db4ecc5] | 78 | assert( var ); |
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| 79 | assert( var->get_type() ); |
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[906e24d] | 80 | Type * type = var->get_type()->clone(); |
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[615a096] | 81 | type->set_lvalue( true ); |
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[906e24d] | 82 | set_result( type ); |
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[51b7345] | 83 | } |
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| 84 | |
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[0dd3a2f] | 85 | VariableExpr::VariableExpr( const VariableExpr &other ) : Expression( other ), var( other.var ) { |
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[51b7345] | 86 | } |
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| 87 | |
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[0dd3a2f] | 88 | VariableExpr::~VariableExpr() { |
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| 89 | // don't delete the declaration, since it points somewhere else in the tree |
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[51b7345] | 90 | } |
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| 91 | |
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[8a6cf7e] | 92 | VariableExpr * VariableExpr::functionPointer( FunctionDecl * func ) { |
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| 93 | VariableExpr * funcExpr = new VariableExpr( func ); |
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| 94 | funcExpr->set_result( new PointerType( Type::Qualifiers(), funcExpr->get_result() ) ); |
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| 95 | return funcExpr; |
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| 96 | } |
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| 97 | |
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[0dd3a2f] | 98 | void VariableExpr::print( std::ostream &os, int indent ) const { |
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[89231bc] | 99 | os << "Variable Expression: "; |
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[51b7345] | 100 | |
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[0dd3a2f] | 101 | Declaration *decl = get_var(); |
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| 102 | if ( decl != 0) decl->printShort(os, indent + 2); |
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| 103 | os << std::endl; |
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| 104 | Expression::print( os, indent ); |
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[51b7345] | 105 | } |
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| 106 | |
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| 107 | SizeofExpr::SizeofExpr( Expression *expr_, Expression *_aname ) : |
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[0dd3a2f] | 108 | Expression( _aname ), expr(expr_), type(0), isType(false) { |
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[906e24d] | 109 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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[51b7345] | 110 | } |
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| 111 | |
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| 112 | SizeofExpr::SizeofExpr( Type *type_, Expression *_aname ) : |
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[0dd3a2f] | 113 | Expression( _aname ), expr(0), type(type_), isType(true) { |
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[906e24d] | 114 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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[51b7345] | 115 | } |
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| 116 | |
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[0dd3a2f] | 117 | SizeofExpr::SizeofExpr( const SizeofExpr &other ) : |
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| 118 | Expression( other ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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[51b7345] | 119 | } |
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| 120 | |
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[0dd3a2f] | 121 | SizeofExpr::~SizeofExpr() { |
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| 122 | delete expr; |
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| 123 | delete type; |
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[51b7345] | 124 | } |
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| 125 | |
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| 126 | void SizeofExpr::print( std::ostream &os, int indent) const { |
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[89231bc] | 127 | os << "Sizeof Expression on: "; |
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[51b7345] | 128 | |
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[47534159] | 129 | if (isType) |
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| 130 | type->print(os, indent + 2); |
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| 131 | else |
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| 132 | expr->print(os, indent + 2); |
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| 133 | |
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| 134 | os << std::endl; |
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| 135 | Expression::print( os, indent ); |
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| 136 | } |
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| 137 | |
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| 138 | AlignofExpr::AlignofExpr( Expression *expr_, Expression *_aname ) : |
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| 139 | Expression( _aname ), expr(expr_), type(0), isType(false) { |
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[906e24d] | 140 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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[47534159] | 141 | } |
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| 142 | |
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| 143 | AlignofExpr::AlignofExpr( Type *type_, Expression *_aname ) : |
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| 144 | Expression( _aname ), expr(0), type(type_), isType(true) { |
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[906e24d] | 145 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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[47534159] | 146 | } |
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| 147 | |
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| 148 | AlignofExpr::AlignofExpr( const AlignofExpr &other ) : |
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| 149 | Expression( other ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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| 150 | } |
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| 151 | |
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| 152 | AlignofExpr::~AlignofExpr() { |
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| 153 | delete expr; |
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| 154 | delete type; |
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| 155 | } |
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| 156 | |
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| 157 | void AlignofExpr::print( std::ostream &os, int indent) const { |
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[f19339e] | 158 | os << "Alignof Expression on: "; |
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[47534159] | 159 | |
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[0dd3a2f] | 160 | if (isType) |
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| 161 | type->print(os, indent + 2); |
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| 162 | else |
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| 163 | expr->print(os, indent + 2); |
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[51b7345] | 164 | |
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[0dd3a2f] | 165 | os << std::endl; |
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| 166 | Expression::print( os, indent ); |
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[51b7345] | 167 | } |
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| 168 | |
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[2a4b088] | 169 | UntypedOffsetofExpr::UntypedOffsetofExpr( Type *type_, const std::string &member_, Expression *_aname ) : |
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| 170 | Expression( _aname ), type(type_), member(member_) { |
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[906e24d] | 171 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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[2a4b088] | 172 | } |
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| 173 | |
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| 174 | UntypedOffsetofExpr::UntypedOffsetofExpr( const UntypedOffsetofExpr &other ) : |
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| 175 | Expression( other ), type( maybeClone( other.type ) ), member( other.member ) {} |
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| 176 | |
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| 177 | UntypedOffsetofExpr::~UntypedOffsetofExpr() { |
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| 178 | delete type; |
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| 179 | } |
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| 180 | |
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| 181 | void UntypedOffsetofExpr::print( std::ostream &os, int indent) const { |
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| 182 | os << std::string( indent, ' ' ) << "Untyped Offsetof Expression on member " << member << " of "; |
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| 183 | |
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| 184 | if ( type ) { |
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| 185 | type->print(os, indent + 2); |
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| 186 | } else { |
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| 187 | os << "<NULL>"; |
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| 188 | } |
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| 189 | |
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| 190 | os << std::endl; |
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| 191 | Expression::print( os, indent ); |
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| 192 | } |
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| 193 | |
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[25a054f] | 194 | OffsetofExpr::OffsetofExpr( Type *type_, DeclarationWithType *member_, Expression *_aname ) : |
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| 195 | Expression( _aname ), type(type_), member(member_) { |
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[906e24d] | 196 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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[25a054f] | 197 | } |
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| 198 | |
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| 199 | OffsetofExpr::OffsetofExpr( const OffsetofExpr &other ) : |
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[79970ed] | 200 | Expression( other ), type( maybeClone( other.type ) ), member( other.member ) {} |
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[25a054f] | 201 | |
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| 202 | OffsetofExpr::~OffsetofExpr() { |
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| 203 | delete type; |
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| 204 | } |
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| 205 | |
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| 206 | void OffsetofExpr::print( std::ostream &os, int indent) const { |
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| 207 | os << std::string( indent, ' ' ) << "Offsetof Expression on member "; |
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| 208 | |
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| 209 | if ( member ) { |
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| 210 | os << member->get_name(); |
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| 211 | } else { |
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| 212 | os << "<NULL>"; |
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| 213 | } |
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| 214 | |
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| 215 | os << " of "; |
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| 216 | |
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| 217 | if ( type ) { |
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| 218 | type->print(os, indent + 2); |
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| 219 | } else { |
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| 220 | os << "<NULL>"; |
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| 221 | } |
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| 222 | |
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| 223 | os << std::endl; |
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| 224 | Expression::print( os, indent ); |
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| 225 | } |
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| 226 | |
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[afc1045] | 227 | OffsetPackExpr::OffsetPackExpr( StructInstType *type_, Expression *aname_ ) : Expression( aname_ ), type( type_ ) { |
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[906e24d] | 228 | set_result( new ArrayType( Type::Qualifiers(), new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ), 0, false, false ) ); |
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[afc1045] | 229 | } |
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| 230 | |
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| 231 | OffsetPackExpr::OffsetPackExpr( const OffsetPackExpr &other ) : Expression( other ), type( maybeClone( other.type ) ) {} |
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| 232 | |
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| 233 | OffsetPackExpr::~OffsetPackExpr() { delete type; } |
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| 234 | |
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| 235 | void OffsetPackExpr::print( std::ostream &os, int indent ) const { |
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| 236 | os << std::string( indent, ' ' ) << "Offset pack expression on "; |
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| 237 | |
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| 238 | if ( type ) { |
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| 239 | type->print(os, indent + 2); |
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| 240 | } else { |
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| 241 | os << "<NULL>"; |
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| 242 | } |
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| 243 | |
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[25a054f] | 244 | os << std::endl; |
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| 245 | Expression::print( os, indent ); |
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| 246 | } |
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| 247 | |
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[51b7345] | 248 | AttrExpr::AttrExpr( Expression *attr, Expression *expr_, Expression *_aname ) : |
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[0dd3a2f] | 249 | Expression( _aname ), attr( attr ), expr(expr_), type(0), isType(false) { |
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[51b7345] | 250 | } |
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| 251 | |
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| 252 | AttrExpr::AttrExpr( Expression *attr, Type *type_, Expression *_aname ) : |
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[0dd3a2f] | 253 | Expression( _aname ), attr( attr ), expr(0), type(type_), isType(true) { |
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[51b7345] | 254 | } |
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| 255 | |
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[0dd3a2f] | 256 | AttrExpr::AttrExpr( const AttrExpr &other ) : |
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| 257 | Expression( other ), attr( maybeClone( other.attr ) ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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[51b7345] | 258 | } |
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| 259 | |
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[0dd3a2f] | 260 | AttrExpr::~AttrExpr() { |
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| 261 | delete attr; |
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| 262 | delete expr; |
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| 263 | delete type; |
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[51b7345] | 264 | } |
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| 265 | |
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| 266 | void AttrExpr::print( std::ostream &os, int indent) const { |
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[f19339e] | 267 | os << "Attr "; |
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[0dd3a2f] | 268 | attr->print( os, indent + 2 ); |
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| 269 | if ( isType || expr ) { |
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| 270 | os << "applied to: "; |
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[51b7345] | 271 | |
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[0dd3a2f] | 272 | if (isType) |
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| 273 | type->print(os, indent + 2); |
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| 274 | else |
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| 275 | expr->print(os, indent + 2); |
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| 276 | } // if |
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[51b7345] | 277 | |
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[0dd3a2f] | 278 | os << std::endl; |
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| 279 | Expression::print( os, indent ); |
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[51b7345] | 280 | } |
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| 281 | |
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[0dd3a2f] | 282 | CastExpr::CastExpr( Expression *arg_, Type *toType, Expression *_aname ) : Expression( _aname ), arg(arg_) { |
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[906e24d] | 283 | set_result(toType); |
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[51b7345] | 284 | } |
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| 285 | |
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| 286 | CastExpr::CastExpr( Expression *arg_, Expression *_aname ) : Expression( _aname ), arg(arg_) { |
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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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[0dd3a2f] | 290 | CastExpr::CastExpr( const CastExpr &other ) : Expression( other ), arg( maybeClone( other.arg ) ) { |
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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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| 297 | void CastExpr::print( std::ostream &os, int indent ) const { |
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[89231bc] | 298 | os << "Cast of:" << std::endl << std::string( indent+2, ' ' ); |
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[0dd3a2f] | 299 | arg->print(os, indent+2); |
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[44b5ca0] | 300 | os << std::endl << std::string( indent, ' ' ) << "to:" << std::endl; |
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[906e24d] | 301 | os << std::string( indent+2, ' ' ); |
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| 302 | if ( result->isVoid() ) { |
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| 303 | os << "nothing"; |
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[0dd3a2f] | 304 | } else { |
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[906e24d] | 305 | result->print( os, indent+2 ); |
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[0dd3a2f] | 306 | } // if |
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[906e24d] | 307 | os << std::endl; |
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[0dd3a2f] | 308 | Expression::print( os, indent ); |
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| 309 | } |
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| 310 | |
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[a5f0529] | 311 | VirtualCastExpr::VirtualCastExpr( Expression *arg_, Type *toType ) : Expression(), arg(arg_) { |
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| 312 | set_result(toType); |
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| 313 | } |
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| 314 | |
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| 315 | VirtualCastExpr::VirtualCastExpr( const VirtualCastExpr &other ) : Expression( other ), arg( maybeClone( other.arg ) ) { |
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| 316 | } |
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| 317 | |
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| 318 | VirtualCastExpr::~VirtualCastExpr() { |
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| 319 | delete arg; |
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| 320 | } |
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| 321 | |
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| 322 | void VirtualCastExpr::print( std::ostream &os, int indent ) const { |
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| 323 | os << "Virtual Cast of:" << std::endl << std::string( indent+2, ' ' ); |
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| 324 | arg->print(os, indent+2); |
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| 325 | os << std::endl << std::string( indent, ' ' ) << "to:" << std::endl; |
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| 326 | os << std::string( indent+2, ' ' ); |
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| 327 | if ( ! result ) { |
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| 328 | os << "unknown"; |
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| 329 | } else { |
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| 330 | result->print( os, indent+2 ); |
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| 331 | } // if |
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| 332 | os << std::endl; |
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| 333 | Expression::print( os, indent ); |
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| 334 | } |
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| 335 | |
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[3b58d91] | 336 | UntypedMemberExpr::UntypedMemberExpr( Expression * _member, Expression *_aggregate, Expression *_aname ) : |
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[0dd3a2f] | 337 | Expression( _aname ), member(_member), aggregate(_aggregate) {} |
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[51b7345] | 338 | |
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[0dd3a2f] | 339 | UntypedMemberExpr::UntypedMemberExpr( const UntypedMemberExpr &other ) : |
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[3b58d91] | 340 | Expression( other ), member( maybeClone( other.member ) ), aggregate( maybeClone( other.aggregate ) ) { |
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[51b7345] | 341 | } |
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| 342 | |
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| 343 | UntypedMemberExpr::~UntypedMemberExpr() { |
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[0dd3a2f] | 344 | delete aggregate; |
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[3b58d91] | 345 | delete member; |
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[51b7345] | 346 | } |
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| 347 | |
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| 348 | void UntypedMemberExpr::print( std::ostream &os, int indent ) const { |
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[3b58d91] | 349 | os << "Untyped Member Expression, with field: " << std::endl; |
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[8c49c0e] | 350 | os << std::string( indent+2, ' ' ); |
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[3b58d91] | 351 | get_member()->print(os, indent+4); |
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| 352 | os << std::string( indent+2, ' ' ); |
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[51b7345] | 353 | |
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[0dd3a2f] | 354 | Expression *agg = get_aggregate(); |
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[3b58d91] | 355 | os << "from aggregate: " << std::endl; |
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[89231bc] | 356 | if (agg != 0) { |
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[3b58d91] | 357 | os << std::string( indent + 4, ' ' ); |
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| 358 | agg->print(os, indent + 4); |
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[89231bc] | 359 | } |
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| 360 | os << std::string( indent+2, ' ' ); |
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[0dd3a2f] | 361 | Expression::print( os, indent ); |
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[51b7345] | 362 | } |
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| 363 | |
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[d9fa60a] | 364 | namespace { |
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| 365 | TypeSubstitution makeSub( Type * t ) { |
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[0698aa1] | 366 | if ( ReferenceType * refType = dynamic_cast< ReferenceType * >( t ) ) { |
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| 367 | return makeSub( refType->get_base() ); |
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| 368 | } else if ( StructInstType * aggInst = dynamic_cast< StructInstType * >( t ) ) { |
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[d9fa60a] | 369 | return TypeSubstitution( aggInst->get_baseParameters()->begin(), aggInst->get_baseParameters()->end(), aggInst->get_parameters().begin() ); |
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| 370 | } else if ( UnionInstType * aggInst = dynamic_cast< UnionInstType * >( t ) ) { |
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| 371 | return TypeSubstitution( aggInst->get_baseParameters()->begin(), aggInst->get_baseParameters()->end(), aggInst->get_parameters().begin() ); |
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| 372 | } else { |
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[4b0f997] | 373 | assertf( false, "makeSub expects struct or union type for aggregate, but got: %s", toString( t ).c_str() ); |
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[d9fa60a] | 374 | } |
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| 375 | } |
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| 376 | } |
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| 377 | |
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[51b7345] | 378 | |
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| 379 | MemberExpr::MemberExpr( DeclarationWithType *_member, Expression *_aggregate, Expression *_aname ) : |
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[0dd3a2f] | 380 | Expression( _aname ), member(_member), aggregate(_aggregate) { |
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[d9fa60a] | 381 | |
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| 382 | TypeSubstitution sub( makeSub( aggregate->get_result() ) ); |
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| 383 | Type * res = member->get_type()->clone(); |
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| 384 | sub.apply( res ); |
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| 385 | set_result( res ); |
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[615a096] | 386 | get_result()->set_lvalue( true ); |
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[51b7345] | 387 | } |
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| 388 | |
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[0dd3a2f] | 389 | MemberExpr::MemberExpr( const MemberExpr &other ) : |
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[39f84a4] | 390 | Expression( other ), member( other.member ), aggregate( maybeClone( other.aggregate ) ) { |
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[51b7345] | 391 | } |
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| 392 | |
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| 393 | MemberExpr::~MemberExpr() { |
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[4551a6e] | 394 | // don't delete the member declaration, since it points somewhere else in the tree |
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[0dd3a2f] | 395 | delete aggregate; |
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[51b7345] | 396 | } |
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| 397 | |
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| 398 | void MemberExpr::print( std::ostream &os, int indent ) const { |
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[89231bc] | 399 | os << "Member Expression, with field: " << std::endl; |
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[51b7345] | 400 | |
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[0dd3a2f] | 401 | assert( member ); |
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[44b5ca0] | 402 | os << std::string( indent + 2, ' ' ); |
---|
[0dd3a2f] | 403 | member->print( os, indent + 2 ); |
---|
| 404 | os << std::endl; |
---|
[51b7345] | 405 | |
---|
[0dd3a2f] | 406 | Expression *agg = get_aggregate(); |
---|
[44b5ca0] | 407 | os << std::string( indent, ' ' ) << "from aggregate: " << std::endl; |
---|
[89231bc] | 408 | if (agg != 0) { |
---|
[bb8ea30] | 409 | os << std::string( indent + 2, ' ' ); |
---|
[89231bc] | 410 | agg->print(os, indent + 2); |
---|
| 411 | } |
---|
| 412 | os << std::string( indent+2, ' ' ); |
---|
[0dd3a2f] | 413 | Expression::print( os, indent ); |
---|
[51b7345] | 414 | } |
---|
| 415 | |
---|
[6eb8948] | 416 | UntypedExpr::UntypedExpr( Expression *_function, const std::list<Expression *> &_args, Expression *_aname ) : |
---|
| 417 | Expression( _aname ), function(_function), args(_args) {} |
---|
[51b7345] | 418 | |
---|
[0dd3a2f] | 419 | UntypedExpr::UntypedExpr( const UntypedExpr &other ) : |
---|
| 420 | Expression( other ), function( maybeClone( other.function ) ) { |
---|
| 421 | cloneAll( other.args, args ); |
---|
[51b7345] | 422 | } |
---|
| 423 | |
---|
[ac71a86] | 424 | UntypedExpr::~UntypedExpr() { |
---|
| 425 | delete function; |
---|
[03b812d2] | 426 | deleteAll( args ); |
---|
[ac71a86] | 427 | } |
---|
[51b7345] | 428 | |
---|
[b3b2077] | 429 | UntypedExpr * UntypedExpr::createDeref( Expression * expr ) { |
---|
| 430 | UntypedExpr * ret = new UntypedExpr( new NameExpr("*?"), std::list< Expression * >{ expr } ); |
---|
| 431 | if ( Type * type = expr->get_result() ) { |
---|
| 432 | Type * base = InitTweak::getPointerBase( type ); |
---|
[0698aa1] | 433 | assertf( base, "expected pointer type in dereference (type was %s)", toString( type ).c_str() ); |
---|
[b0440b7] | 434 | ret->set_result( base->clone() ); |
---|
| 435 | if ( GenPoly::referencesPermissable() ) { |
---|
| 436 | // if references are still allowed in the AST, dereference returns a reference |
---|
| 437 | ret->set_result( new ReferenceType( Type::Qualifiers(), ret->get_result() ) ); |
---|
| 438 | } else { |
---|
| 439 | // references have been removed, in which case dereference returns an lvalue of the base type. |
---|
| 440 | ret->get_result()->set_lvalue( true ); |
---|
| 441 | } |
---|
[b3b2077] | 442 | } |
---|
| 443 | return ret; |
---|
| 444 | } |
---|
| 445 | |
---|
| 446 | UntypedExpr * UntypedExpr::createAssign( Expression * arg1, Expression * arg2 ) { |
---|
| 447 | assert( arg1 && arg2 ); |
---|
| 448 | UntypedExpr * ret = new UntypedExpr( new NameExpr( "?=?" ), std::list< Expression * >{ arg1, arg2 } ); |
---|
| 449 | if ( arg1->get_result() && arg2->get_result() ) { |
---|
| 450 | // if both expressions are typed, assumes that this assignment is a C bitwise assignment, |
---|
| 451 | // so the result is the type of the RHS |
---|
| 452 | ret->set_result( arg2->get_result()->clone() ); |
---|
| 453 | } |
---|
| 454 | return ret; |
---|
| 455 | } |
---|
| 456 | |
---|
| 457 | |
---|
[51b7345] | 458 | void UntypedExpr::print( std::ostream &os, int indent ) const { |
---|
[89231bc] | 459 | os << "Applying untyped: " << std::endl; |
---|
[bb8ea30] | 460 | os << std::string( indent+2, ' ' ); |
---|
| 461 | function->print(os, indent + 2); |
---|
[44b5ca0] | 462 | os << std::string( indent, ' ' ) << "...to: " << std::endl; |
---|
[bb8ea30] | 463 | printAll(args, os, indent + 2); |
---|
[0dd3a2f] | 464 | Expression::print( os, indent ); |
---|
[51b7345] | 465 | } |
---|
| 466 | |
---|
[0dd3a2f] | 467 | void UntypedExpr::printArgs( std::ostream &os, int indent ) const { |
---|
| 468 | std::list<Expression *>::const_iterator i; |
---|
[60089f4] | 469 | for (i = args.begin(); i != args.end(); i++) { |
---|
| 470 | os << std::string(indent, ' ' ); |
---|
[0dd3a2f] | 471 | (*i)->print(os, indent); |
---|
[60089f4] | 472 | } |
---|
[51b7345] | 473 | } |
---|
| 474 | |
---|
[4cb935e] | 475 | NameExpr::NameExpr( std::string _name, Expression *_aname ) : Expression( _aname ), name(_name) { |
---|
| 476 | assertf(_name != "0", "Zero is not a valid name\n"); |
---|
| 477 | assertf(_name != "1", "One is not a valid name\n"); |
---|
| 478 | } |
---|
[51b7345] | 479 | |
---|
[0dd3a2f] | 480 | NameExpr::NameExpr( const NameExpr &other ) : Expression( other ), name( other.name ) { |
---|
[51b7345] | 481 | } |
---|
| 482 | |
---|
| 483 | NameExpr::~NameExpr() {} |
---|
| 484 | |
---|
| 485 | void NameExpr::print( std::ostream &os, int indent ) const { |
---|
[89231bc] | 486 | os << "Name: " << get_name() << std::endl; |
---|
[0dd3a2f] | 487 | Expression::print( os, indent ); |
---|
[51b7345] | 488 | } |
---|
| 489 | |
---|
| 490 | LogicalExpr::LogicalExpr( Expression *arg1_, Expression *arg2_, bool andp, Expression *_aname ) : |
---|
[0dd3a2f] | 491 | Expression( _aname ), arg1(arg1_), arg2(arg2_), isAnd(andp) { |
---|
[906e24d] | 492 | set_result( new BasicType( Type::Qualifiers(), BasicType::SignedInt ) ); |
---|
[51b7345] | 493 | } |
---|
| 494 | |
---|
[0dd3a2f] | 495 | LogicalExpr::LogicalExpr( const LogicalExpr &other ) : |
---|
| 496 | Expression( other ), arg1( maybeClone( other.arg1 ) ), arg2( maybeClone( other.arg2 ) ), isAnd( other.isAnd ) { |
---|
[51b7345] | 497 | } |
---|
| 498 | |
---|
[a08ba92] | 499 | LogicalExpr::~LogicalExpr() { |
---|
[0dd3a2f] | 500 | delete arg1; |
---|
| 501 | delete arg2; |
---|
[51b7345] | 502 | } |
---|
| 503 | |
---|
| 504 | void LogicalExpr::print( std::ostream &os, int indent )const { |
---|
[f19339e] | 505 | os << "Short-circuited operation (" << (isAnd?"and":"or") << ") on: "; |
---|
[0dd3a2f] | 506 | arg1->print(os); |
---|
| 507 | os << " and "; |
---|
| 508 | arg2->print(os); |
---|
| 509 | os << std::endl; |
---|
| 510 | Expression::print( os, indent ); |
---|
[51b7345] | 511 | } |
---|
| 512 | |
---|
| 513 | ConditionalExpr::ConditionalExpr( Expression *arg1_, Expression *arg2_, Expression *arg3_, Expression *_aname ) : |
---|
[0dd3a2f] | 514 | Expression( _aname ), arg1(arg1_), arg2(arg2_), arg3(arg3_) {} |
---|
[51b7345] | 515 | |
---|
[0dd3a2f] | 516 | ConditionalExpr::ConditionalExpr( const ConditionalExpr &other ) : |
---|
| 517 | Expression( other ), arg1( maybeClone( other.arg1 ) ), arg2( maybeClone( other.arg2 ) ), arg3( maybeClone( other.arg3 ) ) { |
---|
| 518 | } |
---|
[51b7345] | 519 | |
---|
| 520 | ConditionalExpr::~ConditionalExpr() { |
---|
[0dd3a2f] | 521 | delete arg1; |
---|
| 522 | delete arg2; |
---|
| 523 | delete arg3; |
---|
[51b7345] | 524 | } |
---|
| 525 | |
---|
| 526 | void ConditionalExpr::print( std::ostream &os, int indent ) const { |
---|
[b3b2077] | 527 | os << "Conditional expression on: " << std::endl; |
---|
| 528 | os << std::string( indent+2, ' ' ); |
---|
[0dd3a2f] | 529 | arg1->print( os, indent+2 ); |
---|
[44b5ca0] | 530 | os << std::string( indent, ' ' ) << "First alternative:" << std::endl; |
---|
[b3b2077] | 531 | os << std::string( indent+2, ' ' ); |
---|
[0dd3a2f] | 532 | arg2->print( os, indent+2 ); |
---|
[44b5ca0] | 533 | os << std::string( indent, ' ' ) << "Second alternative:" << std::endl; |
---|
[b3b2077] | 534 | os << std::string( indent+2, ' ' ); |
---|
[0dd3a2f] | 535 | arg3->print( os, indent+2 ); |
---|
| 536 | os << std::endl; |
---|
| 537 | Expression::print( os, indent ); |
---|
| 538 | } |
---|
| 539 | |
---|
[e6cee92] | 540 | AsmExpr::AsmExpr( const AsmExpr & other ) : Expression( other ), inout( maybeClone( other.inout ) ), constraint( maybeClone( other.constraint ) ), operand( maybeClone( other.operand ) ) {} |
---|
[3be261a] | 541 | |
---|
| 542 | |
---|
[7f5566b] | 543 | void AsmExpr::print( std::ostream &os, int indent ) const { |
---|
| 544 | os << "Asm Expression: " << std::endl; |
---|
| 545 | if ( inout ) inout->print( os, indent + 2 ); |
---|
| 546 | if ( constraint ) constraint->print( os, indent + 2 ); |
---|
| 547 | if ( operand ) operand->print( os, indent + 2 ); |
---|
| 548 | } |
---|
| 549 | |
---|
[db4ecc5] | 550 | |
---|
| 551 | ImplicitCopyCtorExpr::ImplicitCopyCtorExpr( ApplicationExpr * callExpr ) : callExpr( callExpr ) { |
---|
| 552 | assert( callExpr ); |
---|
[906e24d] | 553 | assert( callExpr->has_result() ); |
---|
| 554 | set_result( callExpr->get_result()->clone() ); |
---|
[db4ecc5] | 555 | } |
---|
| 556 | |
---|
| 557 | ImplicitCopyCtorExpr::ImplicitCopyCtorExpr( const ImplicitCopyCtorExpr & other ) : Expression( other ), callExpr( maybeClone( other.callExpr ) ) { |
---|
| 558 | cloneAll( other.tempDecls, tempDecls ); |
---|
| 559 | cloneAll( other.returnDecls, returnDecls ); |
---|
| 560 | cloneAll( other.dtors, dtors ); |
---|
| 561 | } |
---|
| 562 | |
---|
| 563 | ImplicitCopyCtorExpr::~ImplicitCopyCtorExpr() { |
---|
[d5556a3] | 564 | set_env( nullptr ); // ImplicitCopyCtorExpr does not take ownership of an environment |
---|
[db4ecc5] | 565 | delete callExpr; |
---|
| 566 | deleteAll( tempDecls ); |
---|
| 567 | deleteAll( returnDecls ); |
---|
| 568 | deleteAll( dtors ); |
---|
| 569 | } |
---|
| 570 | |
---|
| 571 | void ImplicitCopyCtorExpr::print( std::ostream &os, int indent ) const { |
---|
[b6fe7e6] | 572 | os << "Implicit Copy Constructor Expression: " << std::endl; |
---|
[db4ecc5] | 573 | assert( callExpr ); |
---|
[d5556a3] | 574 | os << std::string( indent+2, ' ' ); |
---|
[db4ecc5] | 575 | callExpr->print( os, indent + 2 ); |
---|
| 576 | os << std::endl << std::string( indent, ' ' ) << "with temporaries:" << std::endl; |
---|
| 577 | printAll(tempDecls, os, indent+2); |
---|
[dc2e7e0] | 578 | os << std::endl << std::string( indent, ' ' ) << "with return temporaries:" << std::endl; |
---|
| 579 | printAll(returnDecls, os, indent+2); |
---|
[db4ecc5] | 580 | Expression::print( os, indent ); |
---|
| 581 | } |
---|
| 582 | |
---|
[3be261a] | 583 | |
---|
[b6fe7e6] | 584 | ConstructorExpr::ConstructorExpr( Expression * callExpr ) : callExpr( callExpr ) { |
---|
| 585 | // allow resolver to type a constructor used as an expression as if it has the same type as its first argument |
---|
| 586 | assert( callExpr ); |
---|
| 587 | Expression * arg = InitTweak::getCallArg( callExpr, 0 ); |
---|
| 588 | assert( arg ); |
---|
[906e24d] | 589 | set_result( maybeClone( arg->get_result() ) ); |
---|
[b6fe7e6] | 590 | } |
---|
[3be261a] | 591 | |
---|
[b6fe7e6] | 592 | ConstructorExpr::ConstructorExpr( const ConstructorExpr & other ) : Expression( other ), callExpr( maybeClone( other.callExpr ) ) { |
---|
| 593 | } |
---|
| 594 | |
---|
| 595 | ConstructorExpr::~ConstructorExpr() { |
---|
| 596 | delete callExpr; |
---|
| 597 | } |
---|
| 598 | |
---|
| 599 | void ConstructorExpr::print( std::ostream &os, int indent ) const { |
---|
| 600 | os << "Constructor Expression: " << std::endl; |
---|
| 601 | assert( callExpr ); |
---|
| 602 | os << std::string( indent+2, ' ' ); |
---|
| 603 | callExpr->print( os, indent + 2 ); |
---|
| 604 | Expression::print( os, indent ); |
---|
[0dd3a2f] | 605 | } |
---|
| 606 | |
---|
[3be261a] | 607 | |
---|
[fbcde64] | 608 | CompoundLiteralExpr::CompoundLiteralExpr( Type * type, Initializer * initializer ) : initializer( initializer ) { |
---|
[3c13c03] | 609 | assert( type && initializer ); |
---|
[5ccb10d] | 610 | type->set_lvalue( true ); |
---|
[fbcde64] | 611 | set_result( type ); |
---|
[630a82a] | 612 | } |
---|
| 613 | |
---|
[fbcde64] | 614 | CompoundLiteralExpr::CompoundLiteralExpr( const CompoundLiteralExpr &other ) : Expression( other ), initializer( other.initializer->clone() ) {} |
---|
[630a82a] | 615 | |
---|
| 616 | CompoundLiteralExpr::~CompoundLiteralExpr() { |
---|
| 617 | delete initializer; |
---|
| 618 | } |
---|
| 619 | |
---|
| 620 | void CompoundLiteralExpr::print( std::ostream &os, int indent ) const { |
---|
| 621 | os << "Compound Literal Expression: " << std::endl; |
---|
[3c13c03] | 622 | os << std::string( indent+2, ' ' ); |
---|
[fbcde64] | 623 | get_result()->print( os, indent + 2 ); |
---|
[3c13c03] | 624 | os << std::string( indent+2, ' ' ); |
---|
| 625 | initializer->print( os, indent + 2 ); |
---|
[d5556a3] | 626 | Expression::print( os, indent ); |
---|
[630a82a] | 627 | } |
---|
| 628 | |
---|
[d9e2280] | 629 | RangeExpr::RangeExpr( Expression *low, Expression *high ) : low( low ), high( high ) {} |
---|
[3c13c03] | 630 | RangeExpr::RangeExpr( const RangeExpr &other ) : Expression( other ), low( other.low->clone() ), high( other.high->clone() ) {} |
---|
[8688ce1] | 631 | void RangeExpr::print( std::ostream &os, int indent ) const { |
---|
[3c13c03] | 632 | os << "Range Expression: "; |
---|
[8688ce1] | 633 | low->print( os, indent ); |
---|
| 634 | os << " ... "; |
---|
| 635 | high->print( os, indent ); |
---|
[d5556a3] | 636 | Expression::print( os, indent ); |
---|
[8688ce1] | 637 | } |
---|
[3be261a] | 638 | |
---|
[6eb8948] | 639 | StmtExpr::StmtExpr( CompoundStmt *statements ) : statements( statements ) { |
---|
| 640 | assert( statements ); |
---|
| 641 | std::list< Statement * > & body = statements->get_kids(); |
---|
| 642 | if ( ! body.empty() ) { |
---|
| 643 | if ( ExprStmt * exprStmt = dynamic_cast< ExprStmt * >( body.back() ) ) { |
---|
[aa8f9df] | 644 | set_result( maybeClone( exprStmt->get_expr()->get_result() ) ); |
---|
[6eb8948] | 645 | } |
---|
| 646 | } |
---|
[07516b56] | 647 | // ensure that StmtExpr has a result type |
---|
| 648 | if ( ! result ) { |
---|
| 649 | set_result( new VoidType( Type::Qualifiers() ) ); |
---|
| 650 | } |
---|
[6eb8948] | 651 | } |
---|
[d5556a3] | 652 | StmtExpr::StmtExpr( const StmtExpr &other ) : Expression( other ), statements( other.statements->clone() ) { |
---|
| 653 | cloneAll( other.returnDecls, returnDecls ); |
---|
| 654 | cloneAll( other.dtors, dtors ); |
---|
| 655 | } |
---|
[6eb8948] | 656 | StmtExpr::~StmtExpr() { |
---|
| 657 | delete statements; |
---|
[d5556a3] | 658 | deleteAll( dtors ); |
---|
| 659 | deleteAll( returnDecls ); |
---|
[6eb8948] | 660 | } |
---|
| 661 | void StmtExpr::print( std::ostream &os, int indent ) const { |
---|
[3c13c03] | 662 | os << "Statement Expression: " << std::endl << std::string( indent, ' ' ); |
---|
[6eb8948] | 663 | statements->print( os, indent+2 ); |
---|
[d5556a3] | 664 | if ( ! returnDecls.empty() ) { |
---|
| 665 | os << std::string( indent+2, ' ' ) << "with returnDecls: "; |
---|
| 666 | printAll( returnDecls, os, indent+2 ); |
---|
| 667 | } |
---|
| 668 | if ( ! dtors.empty() ) { |
---|
| 669 | os << std::string( indent+2, ' ' ) << "with dtors: "; |
---|
| 670 | printAll( dtors, os, indent+2 ); |
---|
| 671 | } |
---|
| 672 | Expression::print( os, indent ); |
---|
[6eb8948] | 673 | } |
---|
| 674 | |
---|
[3c13c03] | 675 | |
---|
[bf32bb8] | 676 | long long UniqueExpr::count = 0; |
---|
[141b786] | 677 | UniqueExpr::UniqueExpr( Expression *expr, long long idVal ) : expr( expr ), object( nullptr ), var( nullptr ), id( idVal ) { |
---|
| 678 | assert( expr ); |
---|
[bf32bb8] | 679 | assert( count != -1 ); |
---|
| 680 | if ( id == -1 ) id = count++; |
---|
| 681 | if ( expr->get_result() ) { |
---|
| 682 | set_result( expr->get_result()->clone() ); |
---|
| 683 | } |
---|
[3c13c03] | 684 | } |
---|
[141b786] | 685 | UniqueExpr::UniqueExpr( const UniqueExpr &other ) : Expression( other ), expr( maybeClone( other.expr ) ), object( maybeClone( other.object ) ), var( maybeClone( other.var ) ), id( other.id ) { |
---|
[3c13c03] | 686 | } |
---|
| 687 | UniqueExpr::~UniqueExpr() { |
---|
[141b786] | 688 | delete expr; |
---|
| 689 | delete object; |
---|
| 690 | delete var; |
---|
[3c13c03] | 691 | } |
---|
| 692 | void UniqueExpr::print( std::ostream &os, int indent ) const { |
---|
[bf32bb8] | 693 | os << "Unique Expression with id:" << id << std::endl << std::string( indent+2, ' ' ); |
---|
[3c13c03] | 694 | get_expr()->print( os, indent+2 ); |
---|
[77971f6] | 695 | if ( get_object() ) { |
---|
[d5556a3] | 696 | os << std::string( indent+2, ' ' ) << "with decl: "; |
---|
[77971f6] | 697 | get_object()->printShort( os, indent+2 ); |
---|
| 698 | } |
---|
[d5556a3] | 699 | Expression::print( os, indent ); |
---|
[3c13c03] | 700 | } |
---|
| 701 | |
---|
[e4d829b] | 702 | InitAlternative::InitAlternative( Type * type, Designation * designation ) : type( type ), designation( designation ) {} |
---|
| 703 | InitAlternative::InitAlternative( const InitAlternative & other ) : type( maybeClone( other.type ) ), designation( maybeClone( other.designation ) ) {} |
---|
| 704 | InitAlternative::~InitAlternative() { |
---|
| 705 | delete type; |
---|
| 706 | delete designation; |
---|
| 707 | } |
---|
| 708 | |
---|
| 709 | UntypedInitExpr::UntypedInitExpr( Expression * expr, const std::list<InitAlternative> & initAlts ) : expr( expr ), initAlts( initAlts ) {} |
---|
| 710 | UntypedInitExpr::UntypedInitExpr( const UntypedInitExpr & other ) : Expression( other ), expr( maybeClone( other.expr ) ), initAlts( other.initAlts ) {} |
---|
| 711 | UntypedInitExpr::~UntypedInitExpr() { |
---|
| 712 | delete expr; |
---|
| 713 | } |
---|
| 714 | |
---|
| 715 | void UntypedInitExpr::print( std::ostream & os, int indent ) const { |
---|
| 716 | os << "Untyped Init Expression" << std::endl << std::string( indent+2, ' ' ); |
---|
| 717 | expr->print( os, indent+2 ); |
---|
| 718 | if ( ! initAlts.empty() ) { |
---|
| 719 | for ( const InitAlternative & alt : initAlts ) { |
---|
| 720 | os << std::string( indent+2, ' ' ) << "InitAlternative: "; |
---|
| 721 | alt.type->print( os, indent+2 ); |
---|
| 722 | alt.designation->print( os, indent+2 ); |
---|
| 723 | } |
---|
| 724 | } |
---|
| 725 | } |
---|
| 726 | |
---|
[62423350] | 727 | InitExpr::InitExpr( Expression * expr, Designation * designation ) : expr( expr ), designation( designation ) { |
---|
| 728 | set_result( expr->get_result()->clone() ); |
---|
[e4d829b] | 729 | } |
---|
| 730 | InitExpr::InitExpr( const InitExpr & other ) : Expression( other ), expr( maybeClone( other.expr ) ), designation( maybeClone( other.designation) ) {} |
---|
| 731 | InitExpr::~InitExpr() { |
---|
| 732 | delete expr; |
---|
| 733 | delete designation; |
---|
| 734 | } |
---|
| 735 | |
---|
| 736 | void InitExpr::print( std::ostream & os, int indent ) const { |
---|
| 737 | os << "Init Expression" << std::endl << std::string( indent+2, ' ' ); |
---|
| 738 | expr->print( os, indent+2 ); |
---|
| 739 | os << std::string( indent+2, ' ' ) << "with designation: "; |
---|
| 740 | designation->print( os, indent+2 ); |
---|
| 741 | } |
---|
| 742 | |
---|
| 743 | |
---|
[3906301] | 744 | std::ostream & operator<<( std::ostream & out, const Expression * expr ) { |
---|
[8bf784a] | 745 | if ( expr ) { |
---|
| 746 | expr->print( out ); |
---|
| 747 | } else { |
---|
| 748 | out << "nullptr"; |
---|
| 749 | } |
---|
[baf7fee] | 750 | return out; |
---|
| 751 | } |
---|
| 752 | |
---|
[0dd3a2f] | 753 | // Local Variables: // |
---|
| 754 | // tab-width: 4 // |
---|
| 755 | // mode: c++ // |
---|
| 756 | // compile-command: "make install" // |
---|
| 757 | // End: // |
---|