[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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| 7 | // Expression.cc -- |
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| 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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| 11 | // Last Modified By : Peter A. Buhr |
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| 12 | // Last Modified On : Mon May 18 08:27:07 2015 |
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| 13 | // Update Count : 2 |
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| 14 | // |
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| 15 | |
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[51b7345] | 16 | #include <iostream> |
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| 17 | #include <cassert> |
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| 18 | #include <list> |
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| 19 | #include <algorithm> |
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| 20 | |
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| 21 | #include <iterator> |
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| 22 | |
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| 23 | #include "Type.h" |
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| 24 | #include "Expression.h" |
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| 25 | #include "Declaration.h" |
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| 26 | #include "Statement.h" |
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| 27 | #include "TypeSubstitution.h" |
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| 28 | #include "utility.h" |
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| 29 | |
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| 30 | |
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| 31 | Expression::Expression( Expression *_aname ) : env( 0 ), argName( _aname ) {} |
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[0dd3a2f] | 32 | |
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| 33 | Expression::Expression( const Expression &other ) : env( maybeClone( other.env ) ) { |
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| 34 | cloneAll( other.results, results ); |
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| 35 | argName = other.get_argName(); |
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| 36 | } |
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| 37 | |
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| 38 | Expression::~Expression() { |
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| 39 | delete env; |
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| 40 | // delete argName; // xxx -- there's a problem in cloning ConstantExpr I still don't know how to fix |
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| 41 | deleteAll( results ); |
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| 42 | } |
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| 43 | |
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| 44 | void Expression::add_result( Type *t ) { |
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| 45 | if ( TupleType *tuple = dynamic_cast< TupleType* >( t ) ) { |
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| 46 | std::copy( tuple->get_types().begin(), tuple->get_types().end(), back_inserter( results ) ); |
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| 47 | } else { |
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| 48 | results.push_back(t); |
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| 49 | } // if |
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[51b7345] | 50 | } |
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| 51 | |
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| 52 | void Expression::print(std::ostream &os, int indent) const { |
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[0dd3a2f] | 53 | if ( env ) { |
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| 54 | os << std::string(indent, ' ') << "with environment:" << std::endl; |
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| 55 | env->print( os, indent+2 ); |
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| 56 | } // if |
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[51b7345] | 57 | |
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[0dd3a2f] | 58 | if ( argName ) { |
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| 59 | os << std::string(indent, ' ') << "with designator:"; |
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| 60 | argName->print( os, indent+2 ); |
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| 61 | } // if |
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[51b7345] | 62 | } |
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| 63 | |
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[0dd3a2f] | 64 | ConstantExpr::ConstantExpr( Constant _c, Expression *_aname ) : Expression( _aname ), constant( _c ) { |
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| 65 | add_result( constant.get_type()->clone() ); |
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[51b7345] | 66 | } |
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| 67 | |
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[0dd3a2f] | 68 | ConstantExpr::ConstantExpr( const ConstantExpr &other) : Expression( other ), constant( other.constant ) { |
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| 69 | } |
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[51b7345] | 70 | |
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| 71 | ConstantExpr::~ConstantExpr() {} |
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| 72 | |
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[0dd3a2f] | 73 | void ConstantExpr::print( std::ostream &os, int indent ) const { |
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| 74 | os << std::string(indent, ' ') << "Constant Expression: " ; |
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| 75 | constant.print(os); |
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| 76 | os << std::endl; |
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| 77 | Expression::print( os, indent ); |
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[51b7345] | 78 | } |
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| 79 | |
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[0dd3a2f] | 80 | VariableExpr::VariableExpr( DeclarationWithType *_var, Expression *_aname ) : Expression( _aname ), var( _var ) { |
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| 81 | add_result( var->get_type()->clone() ); |
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| 82 | for ( std::list< Type* >::iterator i = get_results().begin(); i != get_results().end(); ++i ) { |
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| 83 | (*i)->set_isLvalue( true ); |
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| 84 | } // for |
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[51b7345] | 85 | } |
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| 86 | |
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[0dd3a2f] | 87 | VariableExpr::VariableExpr( const VariableExpr &other ) : Expression( other ), var( other.var ) { |
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[51b7345] | 88 | } |
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| 89 | |
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[0dd3a2f] | 90 | VariableExpr::~VariableExpr() { |
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| 91 | // don't delete the declaration, since it points somewhere else in the tree |
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[51b7345] | 92 | } |
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| 93 | |
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[0dd3a2f] | 94 | void VariableExpr::print( std::ostream &os, int indent ) const { |
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| 95 | os << std::string(indent, ' ') << "Variable Expression: "; |
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[51b7345] | 96 | |
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[0dd3a2f] | 97 | Declaration *decl = get_var(); |
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| 98 | // if ( decl != 0) decl->print(os, indent + 2); |
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| 99 | if ( decl != 0) decl->printShort(os, indent + 2); |
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| 100 | os << std::endl; |
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| 101 | Expression::print( os, indent ); |
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[51b7345] | 102 | } |
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| 103 | |
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| 104 | SizeofExpr::SizeofExpr( Expression *expr_, Expression *_aname ) : |
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[0dd3a2f] | 105 | Expression( _aname ), expr(expr_), type(0), isType(false) { |
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| 106 | add_result( new BasicType( Type::Qualifiers(), BasicType::UnsignedInt ) ); |
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[51b7345] | 107 | } |
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| 108 | |
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| 109 | SizeofExpr::SizeofExpr( Type *type_, Expression *_aname ) : |
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[0dd3a2f] | 110 | Expression( _aname ), expr(0), type(type_), isType(true) { |
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| 111 | add_result( new BasicType( Type::Qualifiers(), BasicType::UnsignedInt ) ); |
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[51b7345] | 112 | } |
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| 113 | |
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[0dd3a2f] | 114 | SizeofExpr::SizeofExpr( const SizeofExpr &other ) : |
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| 115 | Expression( other ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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[51b7345] | 116 | } |
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| 117 | |
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[0dd3a2f] | 118 | SizeofExpr::~SizeofExpr() { |
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| 119 | delete expr; |
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| 120 | delete type; |
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[51b7345] | 121 | } |
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| 122 | |
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| 123 | void SizeofExpr::print( std::ostream &os, int indent) const { |
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[0dd3a2f] | 124 | os << std::string(indent, ' ') << "Sizeof Expression on: "; |
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[51b7345] | 125 | |
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[0dd3a2f] | 126 | if (isType) |
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| 127 | type->print(os, indent + 2); |
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| 128 | else |
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| 129 | expr->print(os, indent + 2); |
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[51b7345] | 130 | |
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[0dd3a2f] | 131 | os << std::endl; |
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| 132 | Expression::print( os, indent ); |
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[51b7345] | 133 | } |
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| 134 | |
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| 135 | AttrExpr::AttrExpr( Expression *attr, Expression *expr_, Expression *_aname ) : |
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[0dd3a2f] | 136 | Expression( _aname ), attr( attr ), expr(expr_), type(0), isType(false) { |
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[51b7345] | 137 | } |
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| 138 | |
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| 139 | AttrExpr::AttrExpr( Expression *attr, Type *type_, Expression *_aname ) : |
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[0dd3a2f] | 140 | Expression( _aname ), attr( attr ), expr(0), type(type_), isType(true) { |
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[51b7345] | 141 | } |
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| 142 | |
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[0dd3a2f] | 143 | AttrExpr::AttrExpr( const AttrExpr &other ) : |
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| 144 | Expression( other ), attr( maybeClone( other.attr ) ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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[51b7345] | 145 | } |
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| 146 | |
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[0dd3a2f] | 147 | AttrExpr::~AttrExpr() { |
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| 148 | delete attr; |
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| 149 | delete expr; |
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| 150 | delete type; |
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[51b7345] | 151 | } |
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| 152 | |
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| 153 | void AttrExpr::print( std::ostream &os, int indent) const { |
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[0dd3a2f] | 154 | os << std::string(indent, ' ') << "Attr "; |
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| 155 | attr->print( os, indent + 2 ); |
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| 156 | if ( isType || expr ) { |
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| 157 | os << "applied to: "; |
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[51b7345] | 158 | |
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[0dd3a2f] | 159 | if (isType) |
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| 160 | type->print(os, indent + 2); |
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| 161 | else |
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| 162 | expr->print(os, indent + 2); |
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| 163 | } // if |
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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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[0dd3a2f] | 169 | CastExpr::CastExpr( Expression *arg_, Type *toType, Expression *_aname ) : Expression( _aname ), arg(arg_) { |
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| 170 | add_result(toType); |
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[51b7345] | 171 | } |
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| 172 | |
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| 173 | CastExpr::CastExpr( Expression *arg_, Expression *_aname ) : Expression( _aname ), arg(arg_) { |
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| 174 | } |
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| 175 | |
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[0dd3a2f] | 176 | CastExpr::CastExpr( const CastExpr &other ) : Expression( other ), arg( maybeClone( other.arg ) ) { |
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[51b7345] | 177 | } |
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| 178 | |
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| 179 | CastExpr::~CastExpr() { |
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[0dd3a2f] | 180 | delete arg; |
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[51b7345] | 181 | } |
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| 182 | |
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| 183 | // CastExpr *CastExpr::clone() const { return 0; } |
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| 184 | |
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| 185 | void CastExpr::print( std::ostream &os, int indent ) const { |
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[0dd3a2f] | 186 | os << std::string(indent, ' ') << "Cast of:" << std::endl; |
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| 187 | arg->print(os, indent+2); |
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| 188 | os << std::endl << std::string(indent, ' ') << "to:" << std::endl; |
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| 189 | if ( results.empty() ) { |
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| 190 | os << std::string(indent+2, ' ') << "nothing" << std::endl; |
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| 191 | } else { |
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| 192 | printAll(results, os, indent+2); |
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| 193 | } // if |
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| 194 | Expression::print( os, indent ); |
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| 195 | } |
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| 196 | |
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[51b7345] | 197 | UntypedMemberExpr::UntypedMemberExpr( std::string _member, Expression *_aggregate, Expression *_aname ) : |
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[0dd3a2f] | 198 | Expression( _aname ), member(_member), aggregate(_aggregate) {} |
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[51b7345] | 199 | |
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[0dd3a2f] | 200 | UntypedMemberExpr::UntypedMemberExpr( const UntypedMemberExpr &other ) : |
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| 201 | Expression( other ), member( other.member ), aggregate( maybeClone( other.aggregate ) ) { |
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[51b7345] | 202 | } |
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| 203 | |
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| 204 | UntypedMemberExpr::~UntypedMemberExpr() { |
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[0dd3a2f] | 205 | delete aggregate; |
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[51b7345] | 206 | } |
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| 207 | |
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| 208 | void UntypedMemberExpr::print( std::ostream &os, int indent ) const { |
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[0dd3a2f] | 209 | os << std::string(indent, ' ') << "Member Expression, with field: " << get_member(); |
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[51b7345] | 210 | |
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[0dd3a2f] | 211 | Expression *agg = get_aggregate(); |
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| 212 | os << std::string(indent, ' ') << "from aggregate: "; |
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| 213 | if (agg != 0) agg->print(os, indent + 2); |
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| 214 | Expression::print( os, indent ); |
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[51b7345] | 215 | } |
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| 216 | |
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| 217 | |
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| 218 | MemberExpr::MemberExpr( DeclarationWithType *_member, Expression *_aggregate, Expression *_aname ) : |
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[0dd3a2f] | 219 | Expression( _aname ), member(_member), aggregate(_aggregate) { |
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| 220 | add_result( member->get_type()->clone() ); |
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| 221 | for ( std::list< Type* >::iterator i = get_results().begin(); i != get_results().end(); ++i ) { |
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| 222 | (*i)->set_isLvalue( true ); |
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| 223 | } // for |
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[51b7345] | 224 | } |
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| 225 | |
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[0dd3a2f] | 226 | MemberExpr::MemberExpr( const MemberExpr &other ) : |
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| 227 | Expression( other ), member( maybeClone( other.member ) ), aggregate( maybeClone( other.aggregate ) ) { |
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[51b7345] | 228 | } |
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| 229 | |
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| 230 | MemberExpr::~MemberExpr() { |
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[0dd3a2f] | 231 | delete member; |
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| 232 | delete aggregate; |
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[51b7345] | 233 | } |
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| 234 | |
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| 235 | void MemberExpr::print( std::ostream &os, int indent ) const { |
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[0dd3a2f] | 236 | os << std::string(indent, ' ') << "Member Expression, with field: " << std::endl; |
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[51b7345] | 237 | |
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[0dd3a2f] | 238 | assert( member ); |
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| 239 | os << std::string(indent + 2, ' '); |
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| 240 | member->print( os, indent + 2 ); |
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| 241 | os << std::endl; |
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[51b7345] | 242 | |
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[0dd3a2f] | 243 | Expression *agg = get_aggregate(); |
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| 244 | os << std::string(indent, ' ') << "from aggregate: " << std::endl; |
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| 245 | if (agg != 0) agg->print(os, indent + 2); |
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| 246 | Expression::print( os, indent ); |
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[51b7345] | 247 | } |
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| 248 | |
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| 249 | |
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| 250 | UntypedExpr::UntypedExpr( Expression *_function, Expression *_aname ) : Expression( _aname ), function( _function ) {} |
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| 251 | |
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[0dd3a2f] | 252 | UntypedExpr::UntypedExpr( const UntypedExpr &other ) : |
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| 253 | Expression( other ), function( maybeClone( other.function ) ) { |
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| 254 | cloneAll( other.args, args ); |
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[51b7345] | 255 | } |
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| 256 | |
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| 257 | UntypedExpr::UntypedExpr( Expression *_function, std::list<Expression *> &_args, Expression *_aname ) : |
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[0dd3a2f] | 258 | Expression( _aname ), function(_function), args(_args) {} |
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[51b7345] | 259 | |
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| 260 | UntypedExpr::~UntypedExpr() {} |
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| 261 | |
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| 262 | void UntypedExpr::print( std::ostream &os, int indent ) const { |
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[0dd3a2f] | 263 | os << std::string(indent, ' ') << "Applying untyped: " << std::endl; |
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| 264 | function->print(os, indent + 4); |
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| 265 | os << "\r" << std::string(indent, ' ') << "...to: " << std::endl; |
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| 266 | printArgs(os, indent + 4); |
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| 267 | Expression::print( os, indent ); |
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[51b7345] | 268 | } |
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| 269 | |
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[0dd3a2f] | 270 | void UntypedExpr::printArgs( std::ostream &os, int indent ) const { |
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| 271 | std::list<Expression *>::const_iterator i; |
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| 272 | for (i = args.begin(); i != args.end(); i++) |
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| 273 | (*i)->print(os, indent); |
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[51b7345] | 274 | } |
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| 275 | |
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| 276 | NameExpr::NameExpr( std::string _name, Expression *_aname ) : Expression( _aname ), name(_name) {} |
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| 277 | |
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[0dd3a2f] | 278 | NameExpr::NameExpr( const NameExpr &other ) : Expression( other ), name( other.name ) { |
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[51b7345] | 279 | } |
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| 280 | |
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| 281 | NameExpr::~NameExpr() {} |
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| 282 | |
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| 283 | void NameExpr::print( std::ostream &os, int indent ) const { |
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[0dd3a2f] | 284 | os << std::string(indent, ' ') << "Name: " << get_name() << std::endl; |
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| 285 | Expression::print( os, indent ); |
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[51b7345] | 286 | } |
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| 287 | |
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| 288 | LogicalExpr::LogicalExpr( Expression *arg1_, Expression *arg2_, bool andp, Expression *_aname ) : |
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[0dd3a2f] | 289 | Expression( _aname ), arg1(arg1_), arg2(arg2_), isAnd(andp) { |
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| 290 | add_result( new BasicType( Type::Qualifiers(), BasicType::SignedInt ) ); |
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[51b7345] | 291 | } |
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| 292 | |
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[0dd3a2f] | 293 | LogicalExpr::LogicalExpr( const LogicalExpr &other ) : |
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| 294 | Expression( other ), arg1( maybeClone( other.arg1 ) ), arg2( maybeClone( other.arg2 ) ), isAnd( other.isAnd ) { |
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[51b7345] | 295 | } |
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| 296 | |
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[a08ba92] | 297 | LogicalExpr::~LogicalExpr() { |
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[0dd3a2f] | 298 | delete arg1; |
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| 299 | delete arg2; |
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[51b7345] | 300 | } |
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| 301 | |
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| 302 | void LogicalExpr::print( std::ostream &os, int indent )const { |
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[0dd3a2f] | 303 | os << std::string(indent, ' ') << "Short-circuited operation (" << (isAnd?"and":"or") << ") on: "; |
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| 304 | arg1->print(os); |
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| 305 | os << " and "; |
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| 306 | arg2->print(os); |
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| 307 | os << std::endl; |
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| 308 | Expression::print( os, indent ); |
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[51b7345] | 309 | } |
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| 310 | |
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| 311 | ConditionalExpr::ConditionalExpr( Expression *arg1_, Expression *arg2_, Expression *arg3_, Expression *_aname ) : |
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[0dd3a2f] | 312 | Expression( _aname ), arg1(arg1_), arg2(arg2_), arg3(arg3_) {} |
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[51b7345] | 313 | |
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[0dd3a2f] | 314 | ConditionalExpr::ConditionalExpr( const ConditionalExpr &other ) : |
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| 315 | Expression( other ), arg1( maybeClone( other.arg1 ) ), arg2( maybeClone( other.arg2 ) ), arg3( maybeClone( other.arg3 ) ) { |
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| 316 | } |
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[51b7345] | 317 | |
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| 318 | ConditionalExpr::~ConditionalExpr() { |
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[0dd3a2f] | 319 | delete arg1; |
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| 320 | delete arg2; |
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| 321 | delete arg3; |
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[51b7345] | 322 | } |
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| 323 | |
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| 324 | void ConditionalExpr::print( std::ostream &os, int indent ) const { |
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[0dd3a2f] | 325 | os << std::string(indent, ' ') << "Conditional expression on: " << std::endl; |
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| 326 | arg1->print( os, indent+2 ); |
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| 327 | os << std::string(indent, ' ') << "First alternative:" << std::endl; |
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| 328 | arg2->print( os, indent+2 ); |
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| 329 | os << std::string(indent, ' ') << "Second alternative:" << std::endl; |
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| 330 | arg3->print( os, indent+2 ); |
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| 331 | os << std::endl; |
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| 332 | Expression::print( os, indent ); |
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| 333 | } |
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| 334 | |
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| 335 | void UntypedValofExpr::print( std::ostream &os, int indent ) const { |
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| 336 | os << std::string(indent, ' ') << "Valof Expression: " << std::endl; |
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| 337 | if ( get_body() != 0 ) |
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| 338 | get_body()->print( os, indent + 2 ); |
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| 339 | } |
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| 340 | |
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| 341 | // Local Variables: // |
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| 342 | // tab-width: 4 // |
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| 343 | // mode: c++ // |
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| 344 | // compile-command: "make install" // |
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| 345 | // End: // |
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