[b87a5ed] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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[0caaa6a] | 7 | // ExpressionNode.cc -- |
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| 8 | // |
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[b87a5ed] | 9 | // Author : Rodolfo G. Esteves |
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| 10 | // Created On : Sat May 16 13:17:07 2015 |
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[097e2b0] | 11 | // Last Modified By : Peter A. Buhr |
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[59c24b6] | 12 | // Last Modified On : Tue Jul 5 13:41:55 2016 |
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| 13 | // Update Count : 320 |
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[0caaa6a] | 14 | // |
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[b87a5ed] | 15 | |
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[51b7345] | 16 | #include <cassert> |
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| 17 | #include <cctype> |
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| 18 | #include <algorithm> |
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[59db689] | 19 | #include <sstream> |
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| 20 | #include <cstdio> |
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[51b7345] | 21 | |
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| 22 | #include "ParseNode.h" |
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[630a82a] | 23 | #include "TypeData.h" |
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[51b7345] | 24 | #include "SynTree/Constant.h" |
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| 25 | #include "SynTree/Expression.h" |
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[630a82a] | 26 | #include "SynTree/Declaration.h" |
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[d3b7937] | 27 | #include "Common/UnimplementedError.h" |
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[51b7345] | 28 | #include "parseutility.h" |
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[d3b7937] | 29 | #include "Common/utility.h" |
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[51b7345] | 30 | |
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| 31 | using namespace std; |
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| 32 | |
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[e04ef3a] | 33 | ExpressionNode::ExpressionNode() : ParseNode() {} |
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[51b7345] | 34 | |
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[e04ef3a] | 35 | ExpressionNode::ExpressionNode( const string *name ) : ParseNode( name ) {} |
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[51b7345] | 36 | |
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[e04ef3a] | 37 | ExpressionNode::ExpressionNode( const ExpressionNode &other ) : ParseNode( other.name ), extension( other.extension ) { |
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[b87a5ed] | 38 | if ( other.argName ) { |
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| 39 | argName = other.argName->clone(); |
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| 40 | } else { |
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| 41 | argName = 0; |
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| 42 | } // if |
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[51b7345] | 43 | } |
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| 44 | |
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[7f5566b] | 45 | ExpressionNode * ExpressionNode::set_argName( const std::string *aName ) { |
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[b87a5ed] | 46 | argName = new VarRefNode( aName ); |
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| 47 | return this; |
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[51b7345] | 48 | } |
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| 49 | |
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[7f5566b] | 50 | ExpressionNode * ExpressionNode::set_argName( ExpressionNode *aDesignator ) { |
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[b87a5ed] | 51 | argName = aDesignator; |
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| 52 | return this; |
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[51b7345] | 53 | } |
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| 54 | |
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| 55 | void ExpressionNode::printDesignation( std::ostream &os, int indent ) const { |
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[b87a5ed] | 56 | if ( argName ) { |
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[59db689] | 57 | os << string( indent, ' ' ) << "(designated by: "; |
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[b87a5ed] | 58 | argName->printOneLine( os, indent ); |
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| 59 | os << ")" << std::endl; |
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| 60 | } // if |
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[51b7345] | 61 | } |
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| 62 | |
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[cd623a4] | 63 | //############################################################################## |
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| 64 | |
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[3848e0e] | 65 | NullExprNode::NullExprNode() {} |
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[51b7345] | 66 | |
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[3848e0e] | 67 | NullExprNode *NullExprNode::clone() const { |
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[b87a5ed] | 68 | return new NullExprNode(); |
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[51b7345] | 69 | } |
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| 70 | |
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[bdd516a] | 71 | void NullExprNode::print( std::ostream & os, int indent ) const { |
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[b87a5ed] | 72 | printDesignation( os ); |
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| 73 | os << "null expression"; |
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[51b7345] | 74 | } |
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| 75 | |
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[bdd516a] | 76 | void NullExprNode::printOneLine( std::ostream & os, int indent ) const { |
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[b87a5ed] | 77 | printDesignation( os ); |
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| 78 | os << "null"; |
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[51b7345] | 79 | } |
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| 80 | |
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[3848e0e] | 81 | Expression *NullExprNode::build() const { |
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[b87a5ed] | 82 | return 0; |
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[51b7345] | 83 | } |
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| 84 | |
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[a08ba92] | 85 | CommaExprNode *ExpressionNode::add_to_list( ExpressionNode *exp ) { |
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[b87a5ed] | 86 | return new CommaExprNode( this, exp ); |
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[51b7345] | 87 | } |
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| 88 | |
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[cd623a4] | 89 | //############################################################################## |
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| 90 | |
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[ca35c51] | 91 | ConstantNode::ConstantNode( ConstantExpr *expr ) : expr( expr ) { |
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[59db689] | 92 | } // ConstantNode::ConstantNode |
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[51b7345] | 93 | |
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[59db689] | 94 | ConstantNode *ConstantNode::appendstr( const std::string *newValue ) { |
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| 95 | assert( newValue != 0 ); |
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[59c24b6] | 96 | |
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[ca35c51] | 97 | string value = expr->get_constant()->get_value(); |
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[51b7345] | 98 | |
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[7f5566b] | 99 | // "abc" "def" "ghi" => "abcdefghi", remove new text from quotes and insert before last quote in old string. |
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[59db689] | 100 | value.insert( value.length() - 1, newValue->substr( 1, newValue->length() - 2 ) ); |
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[59c24b6] | 101 | expr->get_constant()->set_value( value ); |
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[0caaa6a] | 102 | |
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[cd623a4] | 103 | delete newValue; // allocated by lexer |
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[b87a5ed] | 104 | return this; |
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[51b7345] | 105 | } |
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| 106 | |
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[bdd516a] | 107 | void ConstantNode::printOneLine( std::ostream &os, int indent ) const { |
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[ca35c51] | 108 | // os << string( indent, ' ' ); |
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| 109 | // printDesignation( os ); |
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| 110 | |
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| 111 | // switch ( type ) { |
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| 112 | // case Integer: |
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| 113 | // case Float: |
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| 114 | // os << value ; |
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| 115 | // break; |
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| 116 | // case Character: |
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| 117 | // os << "'" << value << "'"; |
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| 118 | // break; |
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| 119 | // case String: |
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| 120 | // os << '"' << value << '"'; |
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| 121 | // break; |
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| 122 | // } // switch |
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[b87a5ed] | 123 | |
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[ca35c51] | 124 | // os << ' '; |
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[51b7345] | 125 | } |
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| 126 | |
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[bdd516a] | 127 | void ConstantNode::print( std::ostream &os, int indent ) const { |
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[b87a5ed] | 128 | printOneLine( os, indent ); |
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| 129 | os << endl; |
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[51b7345] | 130 | } |
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| 131 | |
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| 132 | Expression *ConstantNode::build() const { |
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[ca35c51] | 133 | return expr->clone(); |
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[51b7345] | 134 | } |
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| 135 | |
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[cd623a4] | 136 | //############################################################################## |
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| 137 | |
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[bdd516a] | 138 | VarRefNode::VarRefNode() : isLabel( false ) {} |
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[51b7345] | 139 | |
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[59db689] | 140 | VarRefNode::VarRefNode( const string *name_, bool labelp ) : ExpressionNode( name_ ), isLabel( labelp ) {} |
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[51b7345] | 141 | |
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[3848e0e] | 142 | VarRefNode::VarRefNode( const VarRefNode &other ) : ExpressionNode( other ), isLabel( other.isLabel ) { |
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[51b7345] | 143 | } |
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| 144 | |
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| 145 | Expression *VarRefNode::build() const { |
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[b87a5ed] | 146 | return new NameExpr( get_name(), maybeBuild< Expression >( get_argName() ) ); |
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[51b7345] | 147 | } |
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| 148 | |
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[bdd516a] | 149 | void VarRefNode::printOneLine( std::ostream &os, int indent ) const { |
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[b87a5ed] | 150 | printDesignation( os ); |
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| 151 | os << get_name() << ' '; |
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[51b7345] | 152 | } |
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| 153 | |
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[bdd516a] | 154 | void VarRefNode::print( std::ostream &os, int indent ) const { |
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[b87a5ed] | 155 | printDesignation( os ); |
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[44b5ca0] | 156 | os << string( indent, ' ' ) << "Referencing: "; |
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[b87a5ed] | 157 | os << "Variable: " << get_name(); |
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| 158 | os << endl; |
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[51b7345] | 159 | } |
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| 160 | |
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[cd623a4] | 161 | //############################################################################## |
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| 162 | |
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[51b1202] | 163 | DesignatorNode::DesignatorNode( ExpressionNode *expr, bool isArrayIndex ) : isArrayIndex( isArrayIndex ) { |
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| 164 | set_argName( expr ); |
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[e869d663] | 165 | assert( get_argName() ); |
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| 166 | |
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| 167 | if ( ! isArrayIndex ) { |
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| 168 | if ( VarRefNode * var = dynamic_cast< VarRefNode * >( expr ) ) { |
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| 169 | |
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| 170 | stringstream ss( var->get_name() ); |
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| 171 | double value; |
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| 172 | if ( ss >> value ) { |
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| 173 | // this is a floating point constant. It MUST be |
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| 174 | // ".0" or ".1", otherwise the program is invalid |
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| 175 | if ( ! (var->get_name() == ".0" || var->get_name() == ".1") ) { |
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| 176 | throw SemanticError( "invalid designator name: " + var->get_name() ); |
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| 177 | } // if |
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| 178 | var->set_name( var->get_name().substr(1) ); |
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| 179 | } // if |
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| 180 | } // if |
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| 181 | } // if |
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[51b1202] | 182 | } |
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| 183 | |
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| 184 | DesignatorNode::DesignatorNode( const DesignatorNode &other ) : ExpressionNode( other ), isArrayIndex( other.isArrayIndex ) { |
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| 185 | } |
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| 186 | |
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[e869d663] | 187 | class DesignatorFixer : public Mutator { |
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| 188 | public: |
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| 189 | virtual Expression* mutate( NameExpr *nameExpr ) { |
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| 190 | if ( nameExpr->get_name() == "0" || nameExpr->get_name() == "1" ) { |
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| 191 | Constant val( new BasicType( Type::Qualifiers(), BasicType::SignedInt ), nameExpr->get_name() ); |
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| 192 | delete nameExpr; |
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| 193 | return new ConstantExpr( val ); |
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| 194 | } |
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| 195 | return nameExpr; |
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| 196 | } |
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| 197 | }; |
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| 198 | |
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[51b1202] | 199 | Expression *DesignatorNode::build() const { |
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[e04ef3a] | 200 | Expression * ret = maybeBuild<Expression>(get_argName()); |
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[e869d663] | 201 | |
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[51b1202] | 202 | if ( isArrayIndex ) { |
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[0caaa6a] | 203 | // need to traverse entire structure and change any instances of 0 or 1 to |
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[e869d663] | 204 | // ConstantExpr |
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| 205 | DesignatorFixer fixer; |
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| 206 | ret = ret->acceptMutator( fixer ); |
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[51b1202] | 207 | } // if |
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[e869d663] | 208 | |
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| 209 | return ret; |
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[51b1202] | 210 | } |
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| 211 | |
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| 212 | void DesignatorNode::printOneLine( std::ostream &os, int indent ) const { |
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| 213 | if ( get_argName() ) { |
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| 214 | if ( isArrayIndex ) { |
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| 215 | os << "["; |
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| 216 | get_argName()->printOneLine( os, indent ); |
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| 217 | os << "]"; |
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| 218 | } else { |
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| 219 | os << "."; |
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| 220 | get_argName()->printOneLine( os, indent ); |
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| 221 | } |
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| 222 | } // if |
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| 223 | } |
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| 224 | |
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| 225 | void DesignatorNode::print( std::ostream &os, int indent ) const { |
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| 226 | if ( get_argName() ) { |
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| 227 | if ( isArrayIndex ) { |
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| 228 | os << "["; |
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| 229 | get_argName()->print( os, indent ); |
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| 230 | os << "]"; |
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| 231 | } else { |
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| 232 | os << "."; |
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| 233 | get_argName()->print( os, indent ); |
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| 234 | } |
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| 235 | } // if |
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| 236 | } |
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| 237 | |
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| 238 | //############################################################################## |
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| 239 | |
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[5721a6d] | 240 | static const char *opName[] = { |
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| 241 | "TupleC", "Comma", "TupleFieldSel", // "TuplePFieldSel", // n-adic |
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| 242 | // triadic |
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| 243 | "Cond", "NCond", |
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| 244 | // diadic |
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[e04ef3a] | 245 | "SizeOf", "AlignOf", "OffsetOf", "Attr", "?+?", "?-?", "?*?", "?/?", "?%?", "||", "&&", |
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[5721a6d] | 246 | "?|?", "?&?", "?^?", "Cast", "?<<?", "?>>?", "?<?", "?>?", "?<=?", "?>=?", "?==?", "?!=?", |
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| 247 | "?=?", "?*=?", "?/=?", "?%=?", "?+=?", "?-=?", "?<<=?", "?>>=?", "?&=?", "?^=?", "?|=?", |
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| 248 | "?[?]", "FieldSel", "PFieldSel", "Range", |
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| 249 | // monadic |
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| 250 | "+?", "-?", "AddressOf", "*?", "!?", "~?", "++?", "?++", "--?", "?--", "&&" |
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| 251 | }; |
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| 252 | |
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[bdd516a] | 253 | OperatorNode::OperatorNode( Type t ) : type( t ) {} |
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[51b7345] | 254 | |
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[3848e0e] | 255 | OperatorNode::OperatorNode( const OperatorNode &other ) : ExpressionNode( other ), type( other.type ) { |
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[51b7345] | 256 | } |
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| 257 | |
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| 258 | OperatorNode::~OperatorNode() {} |
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| 259 | |
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[bdd516a] | 260 | OperatorNode::Type OperatorNode::get_type( void ) const{ |
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[b87a5ed] | 261 | return type; |
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[51b7345] | 262 | } |
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| 263 | |
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[3848e0e] | 264 | void OperatorNode::printOneLine( std::ostream &os, int indent ) const { |
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[b87a5ed] | 265 | printDesignation( os ); |
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[5721a6d] | 266 | os << opName[ type ] << ' '; |
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[51b7345] | 267 | } |
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| 268 | |
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| 269 | void OperatorNode::print( std::ostream &os, int indent ) const{ |
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[b87a5ed] | 270 | printDesignation( os ); |
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[5721a6d] | 271 | os << string( indent, ' ' ) << "Operator: " << opName[type] << endl; |
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[b87a5ed] | 272 | return; |
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[51b7345] | 273 | } |
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| 274 | |
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[59db689] | 275 | const char *OperatorNode::get_typename( void ) const{ |
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[5721a6d] | 276 | return opName[ type ]; |
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[51b7345] | 277 | } |
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| 278 | |
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[cd623a4] | 279 | //############################################################################## |
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| 280 | |
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[7f5566b] | 281 | CompositeExprNode::CompositeExprNode() : ExpressionNode(), function( 0 ), arguments( 0 ) { |
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[51b7345] | 282 | } |
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| 283 | |
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[59db689] | 284 | CompositeExprNode::CompositeExprNode( const string *name_ ) : ExpressionNode( name_ ), function( 0 ), arguments( 0 ) { |
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[51b7345] | 285 | } |
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| 286 | |
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[bdd516a] | 287 | CompositeExprNode::CompositeExprNode( ExpressionNode *f, ExpressionNode *args ): |
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[b87a5ed] | 288 | function( f ), arguments( args ) { |
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[51b7345] | 289 | } |
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| 290 | |
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[bdd516a] | 291 | CompositeExprNode::CompositeExprNode( ExpressionNode *f, ExpressionNode *arg1, ExpressionNode *arg2): |
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[097e2b0] | 292 | function( f ), arguments( arg1 ) { |
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| 293 | arguments->set_link( arg2 ); |
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[51b7345] | 294 | } |
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| 295 | |
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[0caaa6a] | 296 | CompositeExprNode::CompositeExprNode( const CompositeExprNode &other ) : ExpressionNode( other ), function( maybeClone( other.function ) ), arguments( 0 ) { |
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[b87a5ed] | 297 | ParseNode *cur = other.arguments; |
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| 298 | while ( cur ) { |
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| 299 | if ( arguments ) { |
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| 300 | arguments->set_link( cur->clone() ); |
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| 301 | } else { |
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| 302 | arguments = ( ExpressionNode*)cur->clone(); |
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| 303 | } // if |
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| 304 | cur = cur->get_link(); |
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| 305 | } |
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[51b7345] | 306 | } |
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| 307 | |
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[3848e0e] | 308 | CompositeExprNode::~CompositeExprNode() { |
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[b87a5ed] | 309 | delete function; |
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| 310 | delete arguments; |
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[51b7345] | 311 | } |
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| 312 | |
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[d3b7937] | 313 | #include "Common/utility.h" |
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[51b7345] | 314 | |
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[3848e0e] | 315 | Expression *CompositeExprNode::build() const { |
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[b87a5ed] | 316 | OperatorNode *op; |
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| 317 | std::list<Expression *> args; |
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[51b7345] | 318 | |
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[b87a5ed] | 319 | buildList( get_args(), args ); |
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| 320 | |
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[cd623a4] | 321 | if ( ! ( op = dynamic_cast<OperatorNode *>( function ) ) ) { // function as opposed to operator |
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[e04ef3a] | 322 | return new UntypedExpr( maybeBuild<Expression>(function), args, maybeBuild< Expression >( get_argName() )); |
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[cd623a4] | 323 | } // if |
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[b87a5ed] | 324 | |
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[cd623a4] | 325 | switch ( op->get_type()) { |
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| 326 | case OperatorNode::Incr: |
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| 327 | case OperatorNode::Decr: |
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| 328 | case OperatorNode::IncrPost: |
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| 329 | case OperatorNode::DecrPost: |
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| 330 | case OperatorNode::Assign: |
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| 331 | case OperatorNode::MulAssn: |
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| 332 | case OperatorNode::DivAssn: |
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| 333 | case OperatorNode::ModAssn: |
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| 334 | case OperatorNode::PlusAssn: |
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| 335 | case OperatorNode::MinusAssn: |
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| 336 | case OperatorNode::LSAssn: |
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| 337 | case OperatorNode::RSAssn: |
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| 338 | case OperatorNode::AndAssn: |
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| 339 | case OperatorNode::ERAssn: |
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| 340 | case OperatorNode::OrAssn: |
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| 341 | // the rewrite rules for these expressions specify that the first argument has its address taken |
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| 342 | assert( ! args.empty() ); |
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| 343 | args.front() = new AddressExpr( args.front() ); |
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| 344 | break; |
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[984dce6] | 345 | default: // do nothing |
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[cd623a4] | 346 | ; |
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[984dce6] | 347 | } // switch |
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[cd623a4] | 348 | |
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| 349 | switch ( op->get_type() ) { |
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| 350 | case OperatorNode::Incr: |
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| 351 | case OperatorNode::Decr: |
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| 352 | case OperatorNode::IncrPost: |
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| 353 | case OperatorNode::DecrPost: |
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| 354 | case OperatorNode::Assign: |
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| 355 | case OperatorNode::MulAssn: |
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| 356 | case OperatorNode::DivAssn: |
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| 357 | case OperatorNode::ModAssn: |
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| 358 | case OperatorNode::PlusAssn: |
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| 359 | case OperatorNode::MinusAssn: |
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| 360 | case OperatorNode::LSAssn: |
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| 361 | case OperatorNode::RSAssn: |
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| 362 | case OperatorNode::AndAssn: |
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| 363 | case OperatorNode::ERAssn: |
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| 364 | case OperatorNode::OrAssn: |
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| 365 | case OperatorNode::Plus: |
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| 366 | case OperatorNode::Minus: |
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| 367 | case OperatorNode::Mul: |
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| 368 | case OperatorNode::Div: |
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| 369 | case OperatorNode::Mod: |
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| 370 | case OperatorNode::BitOr: |
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| 371 | case OperatorNode::BitAnd: |
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| 372 | case OperatorNode::Xor: |
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| 373 | case OperatorNode::LShift: |
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| 374 | case OperatorNode::RShift: |
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| 375 | case OperatorNode::LThan: |
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| 376 | case OperatorNode::GThan: |
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| 377 | case OperatorNode::LEThan: |
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| 378 | case OperatorNode::GEThan: |
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| 379 | case OperatorNode::Eq: |
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| 380 | case OperatorNode::Neq: |
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| 381 | case OperatorNode::Index: |
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| 382 | case OperatorNode::Range: |
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| 383 | case OperatorNode::UnPlus: |
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| 384 | case OperatorNode::UnMinus: |
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| 385 | case OperatorNode::PointTo: |
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| 386 | case OperatorNode::Neg: |
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| 387 | case OperatorNode::BitNeg: |
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| 388 | case OperatorNode::LabelAddress: |
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[5721a6d] | 389 | return new UntypedExpr( new NameExpr( opName[ op->get_type() ] ), args ); |
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[cd623a4] | 390 | case OperatorNode::AddressOf: |
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| 391 | assert( args.size() == 1 ); |
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| 392 | assert( args.front() ); |
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| 393 | |
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| 394 | return new AddressExpr( args.front() ); |
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| 395 | case OperatorNode::Cast: |
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| 396 | { |
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| 397 | TypeValueNode * arg = dynamic_cast<TypeValueNode *>( get_args()); |
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| 398 | assert( arg ); |
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[b87a5ed] | 399 | |
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[cd623a4] | 400 | DeclarationNode *decl_node = arg->get_decl(); |
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| 401 | ExpressionNode *expr_node = dynamic_cast<ExpressionNode *>( arg->get_link()); |
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[b87a5ed] | 402 | |
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[cd623a4] | 403 | Type *targetType = decl_node->buildType(); |
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| 404 | if ( dynamic_cast< VoidType* >( targetType ) ) { |
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| 405 | delete targetType; |
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[e04ef3a] | 406 | return new CastExpr( maybeBuild<Expression>(expr_node), maybeBuild< Expression >( get_argName() ) ); |
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[cd623a4] | 407 | } else { |
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[e04ef3a] | 408 | return new CastExpr( maybeBuild<Expression>(expr_node),targetType, maybeBuild< Expression >( get_argName() ) ); |
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[cd623a4] | 409 | } // if |
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| 410 | } |
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| 411 | case OperatorNode::FieldSel: |
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| 412 | { |
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| 413 | assert( args.size() == 2 ); |
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| 414 | |
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| 415 | NameExpr *member = dynamic_cast<NameExpr *>( args.back()); |
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| 416 | // TupleExpr *memberTup = dynamic_cast<TupleExpr *>( args.back()); |
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[b87a5ed] | 417 | |
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[cd623a4] | 418 | if ( member != 0 ) { |
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| 419 | UntypedMemberExpr *ret = new UntypedMemberExpr( member->get_name(), args.front()); |
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[b87a5ed] | 420 | delete member; |
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| 421 | return ret; |
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[cd623a4] | 422 | /* else if ( memberTup != 0 ) |
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| 423 | { |
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| 424 | UntypedMemberExpr *ret = new UntypedMemberExpr( memberTup->get_name(), args.front()); |
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| 425 | delete member; |
---|
| 426 | return ret; |
---|
| 427 | } */ |
---|
| 428 | } else |
---|
| 429 | assert( false ); |
---|
| 430 | } |
---|
| 431 | case OperatorNode::PFieldSel: |
---|
| 432 | { |
---|
| 433 | assert( args.size() == 2 ); |
---|
| 434 | |
---|
| 435 | NameExpr *member = dynamic_cast<NameExpr *>( args.back()); // modify for Tuples xxx |
---|
| 436 | assert( member != 0 ); |
---|
| 437 | |
---|
| 438 | UntypedExpr *deref = new UntypedExpr( new NameExpr( "*?" ) ); |
---|
| 439 | deref->get_args().push_back( args.front() ); |
---|
| 440 | |
---|
| 441 | UntypedMemberExpr *ret = new UntypedMemberExpr( member->get_name(), deref ); |
---|
| 442 | delete member; |
---|
| 443 | return ret; |
---|
| 444 | } |
---|
[5721a6d] | 445 | case OperatorNode::SizeOf: |
---|
[47534159] | 446 | { |
---|
| 447 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( get_args()) ) { |
---|
[5721a6d] | 448 | return new SizeofExpr( arg->get_decl()->buildType()); |
---|
[47534159] | 449 | } else { |
---|
[5721a6d] | 450 | return new SizeofExpr( args.front()); |
---|
[47534159] | 451 | } // if |
---|
| 452 | } |
---|
[5721a6d] | 453 | case OperatorNode::AlignOf: |
---|
[cd623a4] | 454 | { |
---|
| 455 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( get_args()) ) { |
---|
[5721a6d] | 456 | return new AlignofExpr( arg->get_decl()->buildType()); |
---|
[cd623a4] | 457 | } else { |
---|
[5721a6d] | 458 | return new AlignofExpr( args.front()); |
---|
[cd623a4] | 459 | } // if |
---|
| 460 | } |
---|
[5721a6d] | 461 | case OperatorNode::OffsetOf: |
---|
| 462 | { |
---|
[2a4b088] | 463 | assert( args.size() == 2 ); |
---|
[0caaa6a] | 464 | |
---|
[2a4b088] | 465 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( get_args() ) ) { |
---|
| 466 | NameExpr *member = dynamic_cast<NameExpr *>( args.back() ); |
---|
| 467 | assert( member != 0 ); |
---|
| 468 | |
---|
| 469 | return new UntypedOffsetofExpr( arg->get_decl()->buildType(), member->get_name() ); |
---|
| 470 | } else assert( false ); |
---|
[5721a6d] | 471 | } |
---|
[cd623a4] | 472 | case OperatorNode::Attr: |
---|
| 473 | { |
---|
| 474 | VarRefNode *var = dynamic_cast<VarRefNode *>( get_args()); |
---|
| 475 | assert( var ); |
---|
| 476 | if ( ! get_args()->get_link() ) { |
---|
[e04ef3a] | 477 | return new AttrExpr( maybeBuild<Expression>(var), ( Expression*)0); |
---|
[cd623a4] | 478 | } else if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( get_args()->get_link()) ) { |
---|
[e04ef3a] | 479 | return new AttrExpr( maybeBuild<Expression>(var), arg->get_decl()->buildType()); |
---|
[cd623a4] | 480 | } else { |
---|
[e04ef3a] | 481 | return new AttrExpr( maybeBuild<Expression>(var), args.back()); |
---|
[cd623a4] | 482 | } // if |
---|
| 483 | } |
---|
| 484 | case OperatorNode::Or: |
---|
| 485 | case OperatorNode::And: |
---|
| 486 | assert( args.size() == 2); |
---|
| 487 | return new LogicalExpr( notZeroExpr( args.front() ), notZeroExpr( args.back() ), ( op->get_type() == OperatorNode::And ) ); |
---|
| 488 | case OperatorNode::Cond: |
---|
| 489 | { |
---|
| 490 | assert( args.size() == 3); |
---|
[7f5566b] | 491 | std::list< Expression * >::const_iterator i = args.begin(); |
---|
[cd623a4] | 492 | Expression *arg1 = notZeroExpr( *i++ ); |
---|
| 493 | Expression *arg2 = *i++; |
---|
| 494 | Expression *arg3 = *i++; |
---|
| 495 | return new ConditionalExpr( arg1, arg2, arg3 ); |
---|
| 496 | } |
---|
| 497 | case OperatorNode::NCond: |
---|
| 498 | throw UnimplementedError( "GNU 2-argument conditional expression" ); |
---|
| 499 | case OperatorNode::Comma: |
---|
| 500 | { |
---|
[b87a5ed] | 501 | assert( args.size() == 2); |
---|
[7f5566b] | 502 | std::list< Expression * >::const_iterator i = args.begin(); |
---|
[cd623a4] | 503 | Expression *ret = *i++; |
---|
| 504 | while ( i != args.end() ) { |
---|
| 505 | ret = new CommaExpr( ret, *i++ ); |
---|
[b87a5ed] | 506 | } |
---|
[cd623a4] | 507 | return ret; |
---|
[3848e0e] | 508 | } |
---|
[cd623a4] | 509 | // Tuples |
---|
| 510 | case OperatorNode::TupleC: |
---|
| 511 | { |
---|
| 512 | TupleExpr *ret = new TupleExpr(); |
---|
| 513 | std::copy( args.begin(), args.end(), back_inserter( ret->get_exprs() ) ); |
---|
| 514 | return ret; |
---|
| 515 | } |
---|
| 516 | default: |
---|
| 517 | // shouldn't happen |
---|
[5721a6d] | 518 | assert( false ); |
---|
[cd623a4] | 519 | return 0; |
---|
| 520 | } // switch |
---|
[51b7345] | 521 | } |
---|
| 522 | |
---|
[bdd516a] | 523 | void CompositeExprNode::printOneLine( std::ostream &os, int indent ) const { |
---|
[b87a5ed] | 524 | printDesignation( os ); |
---|
| 525 | os << "( "; |
---|
| 526 | function->printOneLine( os, indent ); |
---|
| 527 | for ( ExpressionNode *cur = arguments; cur != 0; cur = dynamic_cast< ExpressionNode* >( cur->get_link() ) ) { |
---|
| 528 | cur->printOneLine( os, indent ); |
---|
[5721a6d] | 529 | } // for |
---|
[b87a5ed] | 530 | os << ") "; |
---|
[51b7345] | 531 | } |
---|
| 532 | |
---|
[bdd516a] | 533 | void CompositeExprNode::print( std::ostream &os, int indent ) const { |
---|
[b87a5ed] | 534 | printDesignation( os ); |
---|
[44b5ca0] | 535 | os << string( indent, ' ' ) << "Application of: " << endl; |
---|
[b87a5ed] | 536 | function->print( os, indent + ParseNode::indent_by ); |
---|
[51b7345] | 537 | |
---|
[44b5ca0] | 538 | os << string( indent, ' ' ) ; |
---|
[b87a5ed] | 539 | if ( arguments ) { |
---|
| 540 | os << "... on arguments: " << endl; |
---|
| 541 | arguments->printList( os, indent + ParseNode::indent_by ); |
---|
| 542 | } else |
---|
| 543 | os << "... on no arguments: " << endl; |
---|
[51b7345] | 544 | } |
---|
| 545 | |
---|
[a08ba92] | 546 | void CompositeExprNode::set_function( ExpressionNode *f ) { |
---|
[b87a5ed] | 547 | function = f; |
---|
[51b7345] | 548 | } |
---|
| 549 | |
---|
[a08ba92] | 550 | void CompositeExprNode::set_args( ExpressionNode *args ) { |
---|
[b87a5ed] | 551 | arguments = args; |
---|
[51b7345] | 552 | } |
---|
| 553 | |
---|
[bdd516a] | 554 | ExpressionNode *CompositeExprNode::get_function( void ) const { |
---|
[b87a5ed] | 555 | return function; |
---|
[51b7345] | 556 | } |
---|
| 557 | |
---|
[bdd516a] | 558 | ExpressionNode *CompositeExprNode::get_args( void ) const { |
---|
[b87a5ed] | 559 | return arguments; |
---|
[51b7345] | 560 | } |
---|
| 561 | |
---|
[a08ba92] | 562 | void CompositeExprNode::add_arg( ExpressionNode *arg ) { |
---|
[b87a5ed] | 563 | if ( arguments ) |
---|
| 564 | arguments->set_link( arg ); |
---|
| 565 | else |
---|
| 566 | set_args( arg ); |
---|
[51b7345] | 567 | } |
---|
| 568 | |
---|
[cd623a4] | 569 | //############################################################################## |
---|
| 570 | |
---|
[7f5566b] | 571 | Expression *AsmExprNode::build() const { |
---|
[e04ef3a] | 572 | return new AsmExpr( maybeBuild< Expression >( inout ), (ConstantExpr *)maybeBuild<Expression>(constraint), maybeBuild<Expression>(operand) ); |
---|
[7f5566b] | 573 | } |
---|
| 574 | |
---|
| 575 | void AsmExprNode::print( std::ostream &os, int indent ) const { |
---|
| 576 | os << string( indent, ' ' ) << "Assembler Expression:" << endl; |
---|
| 577 | if ( inout ) { |
---|
| 578 | os << string( indent, ' ' ) << "inout: " << std::endl; |
---|
| 579 | inout->print( os, indent + 2 ); |
---|
| 580 | } // if |
---|
| 581 | if ( constraint ) { |
---|
| 582 | os << string( indent, ' ' ) << "constraint: " << std::endl; |
---|
| 583 | constraint->print( os, indent + 2 ); |
---|
| 584 | } // if |
---|
| 585 | if ( operand ) { |
---|
| 586 | os << string( indent, ' ' ) << "operand: " << std::endl; |
---|
| 587 | operand->print( os, indent + 2 ); |
---|
| 588 | } // if |
---|
| 589 | } |
---|
| 590 | |
---|
| 591 | void AsmExprNode::printOneLine( std::ostream &os, int indent ) const { |
---|
| 592 | printDesignation( os ); |
---|
| 593 | os << "( "; |
---|
| 594 | if ( inout ) inout->printOneLine( os, indent + 2 ); |
---|
| 595 | os << ", "; |
---|
| 596 | if ( constraint ) constraint->printOneLine( os, indent + 2 ); |
---|
| 597 | os << ", "; |
---|
| 598 | if ( operand ) operand->printOneLine( os, indent + 2 ); |
---|
| 599 | os << ") "; |
---|
| 600 | } |
---|
| 601 | |
---|
| 602 | //############################################################################## |
---|
| 603 | |
---|
| 604 | void LabelNode::print( std::ostream &os, int indent ) const {} |
---|
| 605 | |
---|
| 606 | void LabelNode::printOneLine( std::ostream &os, int indent ) const {} |
---|
| 607 | |
---|
| 608 | //############################################################################## |
---|
| 609 | |
---|
[bdd516a] | 610 | CommaExprNode::CommaExprNode(): CompositeExprNode( new OperatorNode( OperatorNode::Comma )) {} |
---|
[51b7345] | 611 | |
---|
[bdd516a] | 612 | CommaExprNode::CommaExprNode( ExpressionNode *exp ) : CompositeExprNode( new OperatorNode( OperatorNode::Comma ), exp ) { |
---|
[3848e0e] | 613 | } |
---|
[51b7345] | 614 | |
---|
[bdd516a] | 615 | CommaExprNode::CommaExprNode( ExpressionNode *exp1, ExpressionNode *exp2) : CompositeExprNode( new OperatorNode( OperatorNode::Comma ), exp1, exp2) { |
---|
[51b7345] | 616 | } |
---|
| 617 | |
---|
[a08ba92] | 618 | CommaExprNode *CommaExprNode::add_to_list( ExpressionNode *exp ) { |
---|
[b87a5ed] | 619 | add_arg( exp ); |
---|
[51b7345] | 620 | |
---|
[b87a5ed] | 621 | return this; |
---|
[51b7345] | 622 | } |
---|
| 623 | |
---|
[3848e0e] | 624 | CommaExprNode::CommaExprNode( const CommaExprNode &other ) : CompositeExprNode( other ) { |
---|
[51b7345] | 625 | } |
---|
| 626 | |
---|
[cd623a4] | 627 | //############################################################################## |
---|
| 628 | |
---|
[bdd516a] | 629 | ValofExprNode::ValofExprNode( StatementNode *s ): body( s ) {} |
---|
[51b7345] | 630 | |
---|
[3848e0e] | 631 | ValofExprNode::ValofExprNode( const ValofExprNode &other ) : ExpressionNode( other ), body( maybeClone( body ) ) { |
---|
[51b7345] | 632 | } |
---|
| 633 | |
---|
| 634 | ValofExprNode::~ValofExprNode() { |
---|
[b87a5ed] | 635 | delete body; |
---|
[51b7345] | 636 | } |
---|
| 637 | |
---|
| 638 | void ValofExprNode::print( std::ostream &os, int indent ) const { |
---|
[b87a5ed] | 639 | printDesignation( os ); |
---|
[59db689] | 640 | os << string( indent, ' ' ) << "Valof Expression:" << std::endl; |
---|
[b87a5ed] | 641 | get_body()->print( os, indent + 4); |
---|
[51b7345] | 642 | } |
---|
| 643 | |
---|
[3848e0e] | 644 | void ValofExprNode::printOneLine( std::ostream &, int indent ) const { |
---|
[b87a5ed] | 645 | assert( false ); |
---|
[51b7345] | 646 | } |
---|
| 647 | |
---|
| 648 | Expression *ValofExprNode::build() const { |
---|
[e04ef3a] | 649 | return new UntypedValofExpr ( maybeBuild<Statement>(get_body()), maybeBuild< Expression >( get_argName() ) ); |
---|
[3848e0e] | 650 | } |
---|
| 651 | |
---|
[cd623a4] | 652 | //############################################################################## |
---|
| 653 | |
---|
[bdd516a] | 654 | ForCtlExprNode::ForCtlExprNode( ParseNode *init_, ExpressionNode *cond, ExpressionNode *incr ) throw ( SemanticError ) : condition( cond ), change( incr ) { |
---|
[b87a5ed] | 655 | if ( init_ == 0 ) |
---|
| 656 | init = 0; |
---|
| 657 | else { |
---|
| 658 | DeclarationNode *decl; |
---|
| 659 | ExpressionNode *exp; |
---|
| 660 | |
---|
[a61fea9a] | 661 | if (( decl = dynamic_cast<DeclarationNode *>(init_) ) != 0) |
---|
[b87a5ed] | 662 | init = new StatementNode( decl ); |
---|
| 663 | else if (( exp = dynamic_cast<ExpressionNode *>( init_)) != 0) |
---|
| 664 | init = new StatementNode( StatementNode::Exp, exp ); |
---|
| 665 | else |
---|
| 666 | throw SemanticError("Error in for control expression"); |
---|
| 667 | } |
---|
[51b7345] | 668 | } |
---|
| 669 | |
---|
| 670 | ForCtlExprNode::ForCtlExprNode( const ForCtlExprNode &other ) |
---|
[b87a5ed] | 671 | : ExpressionNode( other ), init( maybeClone( other.init ) ), condition( maybeClone( other.condition ) ), change( maybeClone( other.change ) ) { |
---|
[51b7345] | 672 | } |
---|
| 673 | |
---|
[a08ba92] | 674 | ForCtlExprNode::~ForCtlExprNode() { |
---|
[b87a5ed] | 675 | delete init; |
---|
| 676 | delete condition; |
---|
| 677 | delete change; |
---|
[51b7345] | 678 | } |
---|
| 679 | |
---|
| 680 | Expression *ForCtlExprNode::build() const { |
---|
[b87a5ed] | 681 | // this shouldn't be used! |
---|
| 682 | assert( false ); |
---|
| 683 | return 0; |
---|
[51b7345] | 684 | } |
---|
| 685 | |
---|
| 686 | void ForCtlExprNode::print( std::ostream &os, int indent ) const{ |
---|
[59db689] | 687 | os << string( indent,' ' ) << "For Control Expression -- :" << endl; |
---|
[a61fea9a] | 688 | |
---|
[59db689] | 689 | os << string( indent + 2, ' ' ) << "initialization:" << endl; |
---|
[a61fea9a] | 690 | if ( init != 0 ) |
---|
| 691 | init->printList( os, indent + 4 ); |
---|
| 692 | |
---|
| 693 | os << string( indent + 2, ' ' ) << "condition: " << endl; |
---|
| 694 | if ( condition != 0 ) |
---|
| 695 | condition->print( os, indent + 4 ); |
---|
[59db689] | 696 | os << string( indent + 2, ' ' ) << "increment: " << endl; |
---|
[a61fea9a] | 697 | if ( change != 0 ) |
---|
| 698 | change->print( os, indent + 4 ); |
---|
[51b7345] | 699 | } |
---|
| 700 | |
---|
[3848e0e] | 701 | void ForCtlExprNode::printOneLine( std::ostream &, int indent ) const { |
---|
[b87a5ed] | 702 | assert( false ); |
---|
[51b7345] | 703 | } |
---|
| 704 | |
---|
[cd623a4] | 705 | //############################################################################## |
---|
| 706 | |
---|
| 707 | TypeValueNode::TypeValueNode( DeclarationNode *decl ) : decl( decl ) { |
---|
[51b7345] | 708 | } |
---|
| 709 | |
---|
[cd623a4] | 710 | TypeValueNode::TypeValueNode( const TypeValueNode &other ) : ExpressionNode( other ), decl( maybeClone( other.decl ) ) { |
---|
[51b7345] | 711 | } |
---|
| 712 | |
---|
[3848e0e] | 713 | Expression *TypeValueNode::build() const { |
---|
[b87a5ed] | 714 | return new TypeExpr( decl->buildType() ); |
---|
[51b7345] | 715 | } |
---|
| 716 | |
---|
[bdd516a] | 717 | void TypeValueNode::print( std::ostream &os, int indent ) const { |
---|
[b87a5ed] | 718 | os << std::string( indent, ' ' ) << "Type:"; |
---|
| 719 | get_decl()->print( os, indent + 2); |
---|
[51b7345] | 720 | } |
---|
| 721 | |
---|
[bdd516a] | 722 | void TypeValueNode::printOneLine( std::ostream &os, int indent ) const { |
---|
[b87a5ed] | 723 | os << "Type:"; |
---|
| 724 | get_decl()->print( os, indent + 2); |
---|
[51b7345] | 725 | } |
---|
| 726 | |
---|
[630a82a] | 727 | |
---|
| 728 | CompoundLiteralNode::CompoundLiteralNode( DeclarationNode *type, InitializerNode *kids ) : type( type ), kids( kids ) {} |
---|
| 729 | CompoundLiteralNode::CompoundLiteralNode( const CompoundLiteralNode &other ) : ExpressionNode( other ), type( other.type ), kids( other.kids ) {} |
---|
| 730 | |
---|
| 731 | CompoundLiteralNode::~CompoundLiteralNode() { |
---|
| 732 | delete kids; |
---|
| 733 | delete type; |
---|
| 734 | } |
---|
| 735 | |
---|
| 736 | CompoundLiteralNode *CompoundLiteralNode::clone() const { |
---|
| 737 | return new CompoundLiteralNode( *this ); |
---|
| 738 | } |
---|
| 739 | |
---|
| 740 | void CompoundLiteralNode::print( std::ostream &os, int indent ) const { |
---|
| 741 | os << string( indent,' ' ) << "CompoundLiteralNode:" << endl; |
---|
| 742 | |
---|
| 743 | os << string( indent + 2, ' ' ) << "type:" << endl; |
---|
| 744 | if ( type != 0 ) |
---|
| 745 | type->print( os, indent + 4 ); |
---|
| 746 | |
---|
| 747 | os << string( indent + 2, ' ' ) << "initialization:" << endl; |
---|
| 748 | if ( kids != 0 ) |
---|
| 749 | kids->printList( os, indent + 4 ); |
---|
| 750 | } |
---|
| 751 | |
---|
| 752 | void CompoundLiteralNode::printOneLine( std::ostream &os, int indent ) const { |
---|
| 753 | os << "( "; |
---|
| 754 | if ( type ) type->print( os ); |
---|
| 755 | os << ", "; |
---|
| 756 | if ( kids ) kids->printOneLine( os ); |
---|
| 757 | os << ") "; |
---|
| 758 | } |
---|
| 759 | |
---|
| 760 | Expression *CompoundLiteralNode::build() const { |
---|
[e04ef3a] | 761 | Declaration * newDecl = maybeBuild<Declaration>(type); // compound literal type |
---|
[630a82a] | 762 | if ( DeclarationWithType * newDeclWithType = dynamic_cast< DeclarationWithType * >( newDecl ) ) { // non-sue compound-literal type |
---|
[e04ef3a] | 763 | return new CompoundLiteralExpr( newDeclWithType->get_type(), maybeBuild<Initializer>(kids) ); |
---|
[630a82a] | 764 | // these types do not have associated type information |
---|
| 765 | } else if ( StructDecl * newDeclStructDecl = dynamic_cast< StructDecl * >( newDecl ) ) { |
---|
[e04ef3a] | 766 | return new CompoundLiteralExpr( new StructInstType( Type::Qualifiers(), newDeclStructDecl->get_name() ), maybeBuild<Initializer>(kids) ); |
---|
[630a82a] | 767 | } else if ( UnionDecl * newDeclUnionDecl = dynamic_cast< UnionDecl * >( newDecl ) ) { |
---|
[e04ef3a] | 768 | return new CompoundLiteralExpr( new UnionInstType( Type::Qualifiers(), newDeclUnionDecl->get_name() ), maybeBuild<Initializer>(kids) ); |
---|
[630a82a] | 769 | } else if ( EnumDecl * newDeclEnumDecl = dynamic_cast< EnumDecl * >( newDecl ) ) { |
---|
[e04ef3a] | 770 | return new CompoundLiteralExpr( new EnumInstType( Type::Qualifiers(), newDeclEnumDecl->get_name() ), maybeBuild<Initializer>(kids) ); |
---|
[630a82a] | 771 | } else { |
---|
| 772 | assert( false ); |
---|
| 773 | } // if |
---|
| 774 | } |
---|
| 775 | |
---|
| 776 | |
---|
[3848e0e] | 777 | ExpressionNode *flattenCommas( ExpressionNode *list ) { |
---|
[cd623a4] | 778 | if ( CompositeExprNode *composite = dynamic_cast< CompositeExprNode * >( list ) ) { |
---|
| 779 | OperatorNode *op; |
---|
| 780 | if ( ( op = dynamic_cast< OperatorNode * >( composite->get_function() )) && ( op->get_type() == OperatorNode::Comma ) ) { |
---|
| 781 | if ( ExpressionNode *next = dynamic_cast< ExpressionNode * >( list->get_link() ) ) |
---|
| 782 | composite->add_arg( next ); |
---|
| 783 | return flattenCommas( composite->get_args() ); |
---|
| 784 | } // if |
---|
| 785 | } // if |
---|
[51b7345] | 786 | |
---|
[b87a5ed] | 787 | if ( ExpressionNode *next = dynamic_cast< ExpressionNode * >( list->get_link() ) ) |
---|
| 788 | list->set_next( flattenCommas( next ) ); |
---|
[51b7345] | 789 | |
---|
[b87a5ed] | 790 | return list; |
---|
[51b7345] | 791 | } |
---|
| 792 | |
---|
[3848e0e] | 793 | ExpressionNode *tupleContents( ExpressionNode *tuple ) { |
---|
[b87a5ed] | 794 | if ( CompositeExprNode *composite = dynamic_cast< CompositeExprNode * >( tuple ) ) { |
---|
| 795 | OperatorNode *op = 0; |
---|
| 796 | if ( ( op = dynamic_cast< OperatorNode * >( composite->get_function() )) && ( op->get_type() == OperatorNode::TupleC ) ) |
---|
| 797 | return composite->get_args(); |
---|
[cd623a4] | 798 | } // if |
---|
[b87a5ed] | 799 | return tuple; |
---|
[51b7345] | 800 | } |
---|
[b87a5ed] | 801 | |
---|
| 802 | // Local Variables: // |
---|
| 803 | // tab-width: 4 // |
---|
| 804 | // mode: c++ // |
---|
| 805 | // compile-command: "make install" // |
---|
| 806 | // End: // |
---|