| 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 | // ExpressionNode.cc --
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| 8 | //
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| 9 | // Author : Rodolfo G. Esteves
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| 10 | // Created On : Sat May 16 13:17:07 2015
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| 11 | // Last Modified By : Peter A. Buhr
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| 12 | // Last Modified On : Sun Aug 7 09:23:12 2016
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| 13 | // Update Count : 437
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| 14 | //
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| 15 |
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| 16 | #include <cassert>
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| 17 | #include <cctype>
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| 18 | #include <climits>
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| 19 | #include <cstdio>
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| 20 | #include <algorithm>
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| 21 | #include <sstream>
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| 22 |
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| 23 | #include "ParseNode.h"
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| 24 | #include "TypeData.h"
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| 25 | #include "SynTree/Constant.h"
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| 26 | #include "SynTree/Expression.h"
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| 27 | #include "SynTree/Declaration.h"
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| 28 | #include "Common/UnimplementedError.h"
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| 29 | #include "parseutility.h"
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| 30 | #include "Common/utility.h"
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| 31 |
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| 32 | using namespace std;
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| 33 |
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| 34 | ExpressionNode::ExpressionNode() : ParseNode() {}
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| 35 |
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| 36 | ExpressionNode::ExpressionNode( const string *name ) : ParseNode( name ) {}
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| 37 |
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| 38 | ExpressionNode::ExpressionNode( const ExpressionNode &other ) : ParseNode( other.name ), extension( other.extension ) {
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| 39 | if ( other.argName ) {
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| 40 | std::cout << "ExpressionNode" << std::endl;
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| 41 | argName = other.argName->clone();
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| 42 | } else {
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| 43 | argName = 0;
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| 44 | } // if
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| 45 | }
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| 46 |
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| 47 | ExpressionNode * ExpressionNode::set_argName( const std::string *aName ) {
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| 48 | argName = new VarRefNode( aName );
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| 49 | return this;
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| 50 | }
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| 51 |
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| 52 | ExpressionNode * ExpressionNode::set_argName( ExpressionNode *aDesignator ) {
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| 53 | argName = aDesignator;
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| 54 | return this;
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| 55 | }
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| 56 |
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| 57 | void ExpressionNode::printDesignation( std::ostream &os, int indent ) const {
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| 58 | if ( argName ) {
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| 59 | os << string( indent, ' ' ) << "(designated by: ";
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| 60 | argName->printOneLine( os, indent );
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| 61 | os << ")" << std::endl;
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| 62 | } // if
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| 63 | }
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| 64 |
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| 65 | //##############################################################################
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| 66 |
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| 67 | NullExprNode::NullExprNode() {}
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| 68 |
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| 69 | NullExprNode *NullExprNode::clone() const {
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| 70 | return new NullExprNode();
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| 71 | }
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| 72 |
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| 73 | void NullExprNode::print( std::ostream & os, int indent ) const {
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| 74 | printDesignation( os );
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| 75 | os << "null expression";
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| 76 | }
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| 77 |
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| 78 | void NullExprNode::printOneLine( std::ostream & os, int indent ) const {
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| 79 | printDesignation( os );
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| 80 | os << "null";
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| 81 | }
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| 82 |
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| 83 | Expression *NullExprNode::build() const {
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| 84 | return 0;
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| 85 | }
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| 86 |
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| 87 | //##############################################################################
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| 88 |
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| 89 | // Difficult to separate extra parts of constants during lexing because actions are not allow in the middle of patterns:
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| 90 | //
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| 91 | // prefix action constant action suffix
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| 92 | //
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| 93 | // Alternatively, breaking a pattern using BEGIN does not work if the following pattern can be empty:
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| 94 | //
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| 95 | // constant BEGIN CONT ...
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| 96 | // <CONT>(...)? BEGIN 0 ... // possible empty suffix
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| 97 | //
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| 98 | // because the CONT rule is NOT triggered if the pattern is empty. Hence, constants are reparsed here to determine their
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| 99 | // type.
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| 100 |
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| 101 | static Type::Qualifiers emptyQualifiers; // no qualifiers on constants
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| 102 |
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| 103 | static inline bool checkU( char c ) { return c == 'u' || c == 'U'; }
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| 104 | static inline bool checkL( char c ) { return c == 'l' || c == 'L'; }
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| 105 | static inline bool checkF( char c ) { return c == 'f' || c == 'F'; }
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| 106 | static inline bool checkD( char c ) { return c == 'd' || c == 'D'; }
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| 107 | static inline bool checkI( char c ) { return c == 'i' || c == 'I'; }
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| 108 | static inline bool checkX( char c ) { return c == 'x' || c == 'X'; }
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| 109 |
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| 110 | ConstantNode *build_constantInteger( std::string & str ) {
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| 111 | static const BasicType::Kind kind[2][3] = {
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| 112 | { BasicType::SignedInt, BasicType::LongSignedInt, BasicType::LongLongSignedInt },
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| 113 | { BasicType::UnsignedInt, BasicType::LongUnsignedInt, BasicType::LongLongUnsignedInt },
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| 114 | };
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| 115 | bool dec = true, Unsigned = false; // decimal, unsigned constant
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| 116 | int size; // 0 => int, 1 => long, 2 => long long
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| 117 | unsigned long long v; // converted integral value
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| 118 | size_t last = str.length() - 1; // last character of constant
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| 119 |
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| 120 | if ( str[0] == '0' ) { // octal/hex constant ?
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| 121 | dec = false;
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| 122 | if ( last != 0 && checkX( str[1] ) ) { // hex constant ?
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| 123 | sscanf( (char *)str.c_str(), "%llx", &v );
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| 124 | //printf( "%llx %llu\n", v, v );
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| 125 | } else { // octal constant
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| 126 | sscanf( (char *)str.c_str(), "%llo", &v );
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| 127 | //printf( "%llo %llu\n", v, v );
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| 128 | } // if
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| 129 | } else { // decimal constant ?
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| 130 | sscanf( (char *)str.c_str(), "%llu", &v );
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| 131 | //printf( "%llu %llu\n", v, v );
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| 132 | } // if
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| 133 |
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| 134 | if ( v <= INT_MAX ) { // signed int
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| 135 | size = 0;
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| 136 | } else if ( v <= UINT_MAX && ! dec ) { // unsigned int
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| 137 | size = 0;
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| 138 | Unsigned = true; // unsigned
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| 139 | } else if ( v <= LONG_MAX ) { // signed long int
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| 140 | size = 1;
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| 141 | } else if ( v <= ULONG_MAX && ( ! dec || LONG_MAX == LLONG_MAX ) ) { // signed long int
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| 142 | size = 1;
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| 143 | Unsigned = true; // unsigned long int
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| 144 | } else if ( v <= LLONG_MAX ) { // signed long long int
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| 145 | size = 2;
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| 146 | } else { // unsigned long long int
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| 147 | size = 2;
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| 148 | Unsigned = true; // unsigned long long int
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| 149 | } // if
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| 150 |
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| 151 | if ( checkU( str[last] ) ) { // suffix 'u' ?
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| 152 | Unsigned = true;
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| 153 | if ( last > 0 && checkL( str[last - 1] ) ) { // suffix 'l' ?
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| 154 | size = 1;
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| 155 | if ( last > 1 && checkL( str[last - 2] ) ) { // suffix 'll' ?
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| 156 | size = 2;
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| 157 | } // if
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| 158 | } // if
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| 159 | } else if ( checkL( str[ last ] ) ) { // suffix 'l' ?
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| 160 | size = 1;
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| 161 | if ( last > 0 && checkL( str[last - 1] ) ) { // suffix 'll' ?
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| 162 | size = 2;
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| 163 | if ( last > 1 && checkU( str[last - 2] ) ) { // suffix 'u' ?
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| 164 | Unsigned = true;
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| 165 | } // if
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| 166 | } else {
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| 167 | if ( last > 0 && checkU( str[last - 1] ) ) { // suffix 'u' ?
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| 168 | Unsigned = true;
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| 169 | } // if
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| 170 | } // if
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| 171 | } // if
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| 172 |
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| 173 | return new ConstantNode( new ConstantExpr( Constant( new BasicType( emptyQualifiers, kind[Unsigned][size] ), str ) ) );
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| 174 | } // build_constantInteger
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| 175 |
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| 176 | ConstantNode *build_constantFloat( std::string & str ) {
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| 177 | static const BasicType::Kind kind[2][3] = {
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| 178 | { BasicType::Float, BasicType::Double, BasicType::LongDouble },
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| 179 | { BasicType::FloatComplex, BasicType::DoubleComplex, BasicType::LongDoubleComplex },
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| 180 | };
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| 181 |
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| 182 | bool complx = false; // real, complex
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| 183 | int size = 1; // 0 => float, 1 => double (default), 2 => long double
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| 184 | // floating-point constant has minimum of 2 characters: 1. or .1
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| 185 | size_t last = str.length() - 1;
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| 186 |
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| 187 | if ( checkI( str[last] ) ) { // imaginary ?
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| 188 | complx = true;
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| 189 | last -= 1; // backup one character
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| 190 | } // if
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| 191 |
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| 192 | if ( checkF( str[last] ) ) { // float ?
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| 193 | size = 0;
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| 194 | } else if ( checkD( str[last] ) ) { // double ?
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| 195 | size = 1;
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| 196 | } else if ( checkL( str[last] ) ) { // long double ?
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| 197 | size = 2;
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| 198 | } // if
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| 199 | if ( ! complx && checkI( str[last - 1] ) ) { // imaginary ?
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| 200 | complx = true;
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| 201 | } // if
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| 202 |
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| 203 | return new ConstantNode( new ConstantExpr( Constant( new BasicType( emptyQualifiers, kind[complx][size] ), str ) ) );
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| 204 | } // build_constantFloat
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| 205 |
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| 206 | ConstantNode *build_constantChar( std::string & str ) {
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| 207 | return new ConstantNode( new ConstantExpr( Constant( new BasicType( emptyQualifiers, BasicType::Char ), str ) ) );
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| 208 | } // build_constantChar
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| 209 |
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| 210 | ConstantNode *build_constantStr( std::string & str ) {
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| 211 | // string should probably be a primitive type
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| 212 | ArrayType *at = new ArrayType( emptyQualifiers, new BasicType( emptyQualifiers, BasicType::Char ),
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| 213 | new ConstantExpr( Constant( new BasicType( emptyQualifiers, BasicType::UnsignedInt ),
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| 214 | toString( str.size()+1-2 ) ) ), // +1 for '\0' and -2 for '"'
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| 215 | false, false );
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| 216 | return new ConstantNode( new ConstantExpr( Constant( at, str ) ) );
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| 217 | } // build_constantStr
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| 218 |
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| 219 | //##############################################################################
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| 220 |
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| 221 | //Expression *build_varref( ExpressionNode expr ) {
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| 222 | // return new NameExpr( get_name(), maybeBuild<Expression>( get_argName() ) );
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| 223 | //}
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| 224 |
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| 225 | VarRefNode::VarRefNode( const string *name, bool labelp ) : ExpressionNode( name ), isLabel( labelp ) {}
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| 226 |
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| 227 | VarRefNode::VarRefNode( const VarRefNode &other ) : ExpressionNode( other ), isLabel( other.isLabel ) {
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| 228 | }
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| 229 |
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| 230 | Expression *VarRefNode::build() const {
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| 231 | return new NameExpr( get_name(), maybeBuild< Expression >( get_argName() ) );
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| 232 | }
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| 233 |
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| 234 | void VarRefNode::printOneLine( std::ostream &os, int indent ) const {
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| 235 | printDesignation( os );
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| 236 | os << get_name() << ' ';
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| 237 | }
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| 238 |
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| 239 | void VarRefNode::print( std::ostream &os, int indent ) const {
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| 240 | printDesignation( os );
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| 241 | os << string( indent, ' ' ) << "Referencing: ";
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| 242 | os << "Variable: " << get_name();
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| 243 | os << endl;
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| 244 | }
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| 245 |
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| 246 | //##############################################################################
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| 247 |
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| 248 | DesignatorNode::DesignatorNode( ExpressionNode *expr, bool isArrayIndex ) : isArrayIndex( isArrayIndex ) {
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| 249 | set_argName( expr );
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| 250 | assert( get_argName() );
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| 251 |
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| 252 | if ( ! isArrayIndex ) {
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| 253 | if ( VarRefNode * var = dynamic_cast< VarRefNode * >( expr ) ) {
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| 254 |
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| 255 | stringstream ss( var->get_name() );
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| 256 | double value;
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| 257 | if ( ss >> value ) {
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| 258 | // this is a floating point constant. It MUST be ".0" or ".1", otherwise the program is invalid
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| 259 | if ( ! (var->get_name() == ".0" || var->get_name() == ".1") ) {
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| 260 | throw SemanticError( "invalid designator name: " + var->get_name() );
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| 261 | } // if
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| 262 | var->set_name( var->get_name().substr(1) );
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| 263 | } // if
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| 264 | } // if
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| 265 | } // if
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| 266 | }
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| 267 |
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| 268 | DesignatorNode::DesignatorNode( const DesignatorNode &other ) : ExpressionNode( other ), isArrayIndex( other.isArrayIndex ) {
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| 269 | }
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| 270 |
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| 271 | class DesignatorFixer : public Mutator {
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| 272 | public:
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| 273 | virtual Expression* mutate( NameExpr *nameExpr ) {
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| 274 | if ( nameExpr->get_name() == "0" || nameExpr->get_name() == "1" ) {
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| 275 | Constant val( new BasicType( Type::Qualifiers(), BasicType::SignedInt ), nameExpr->get_name() );
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| 276 | delete nameExpr;
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| 277 | return new ConstantExpr( val );
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| 278 | }
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| 279 | return nameExpr;
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| 280 | }
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| 281 | };
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| 282 |
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| 283 | Expression *DesignatorNode::build() const {
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| 284 | Expression * ret = maybeBuild<Expression>(get_argName());
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| 285 |
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| 286 | if ( isArrayIndex ) {
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| 287 | // need to traverse entire structure and change any instances of 0 or 1 to ConstantExpr
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| 288 | DesignatorFixer fixer;
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| 289 | ret = ret->acceptMutator( fixer );
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| 290 | } // if
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| 291 |
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| 292 | return ret;
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| 293 | }
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| 294 |
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| 295 | void DesignatorNode::printOneLine( std::ostream &os, int indent ) const {
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| 296 | if ( get_argName() ) {
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| 297 | if ( isArrayIndex ) {
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| 298 | os << "[";
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| 299 | get_argName()->printOneLine( os, indent );
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| 300 | os << "]";
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| 301 | } else {
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| 302 | os << ".";
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| 303 | get_argName()->printOneLine( os, indent );
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| 304 | }
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| 305 | } // if
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| 306 | }
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| 307 |
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| 308 | void DesignatorNode::print( std::ostream &os, int indent ) const {
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| 309 | if ( get_argName() ) {
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| 310 | if ( isArrayIndex ) {
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| 311 | os << "[";
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| 312 | get_argName()->print( os, indent );
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| 313 | os << "]";
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| 314 | } else {
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| 315 | os << ".";
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| 316 | get_argName()->print( os, indent );
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| 317 | }
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| 318 | } // if
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| 319 | }
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| 320 |
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| 321 | //##############################################################################
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| 322 |
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| 323 | static const char *OperName[] = {
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| 324 | // diadic
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| 325 | "SizeOf", "AlignOf", "OffsetOf", "?+?", "?-?", "?*?", "?/?", "?%?", "||", "&&",
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| 326 | "?|?", "?&?", "?^?", "Cast", "?<<?", "?>>?", "?<?", "?>?", "?<=?", "?>=?", "?==?", "?!=?",
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| 327 | "?=?", "?*=?", "?/=?", "?%=?", "?+=?", "?-=?", "?<<=?", "?>>=?", "?&=?", "?^=?", "?|=?",
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| 328 | "?[?]", "...",
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| 329 | // monadic
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| 330 | "+?", "-?", "AddressOf", "*?", "!?", "~?", "++?", "?++", "--?", "?--", "&&"
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| 331 | };
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| 332 |
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| 333 | //##############################################################################
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| 334 |
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| 335 | Expression *build_cast( TypeValueNode * arg, ExpressionNode *expr_node ) {
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| 336 | DeclarationNode *decl_node = arg->get_decl();
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| 337 |
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| 338 | Type *targetType = decl_node->buildType();
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| 339 | if ( dynamic_cast< VoidType* >( targetType ) ) {
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| 340 | delete targetType;
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| 341 | return new CastExpr( maybeBuild<Expression>(expr_node) );
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| 342 | } else {
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| 343 | return new CastExpr( maybeBuild<Expression>(expr_node), targetType );
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| 344 | } // if
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| 345 | }
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| 346 |
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| 347 | Expression *build_fieldSel( ExpressionNode *expr_node, VarRefNode *member ) {
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| 348 | NameExpr* memberExpr = dynamic_cast<NameExpr*> ( maybeBuild<Expression>( member) );
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| 349 | assert( memberExpr );
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| 350 | UntypedMemberExpr *ret = new UntypedMemberExpr( memberExpr->get_name(), maybeBuild<Expression>(expr_node) );
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| 351 | delete member;
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| 352 | return ret;
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| 353 | }
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| 354 |
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| 355 | Expression *build_pfieldSel( ExpressionNode *expr_node, VarRefNode *member ) {
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| 356 | NameExpr* memberExpr = dynamic_cast<NameExpr*> ( maybeBuild<Expression>( member) );
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| 357 | assert( memberExpr );
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| 358 | UntypedExpr *deref = new UntypedExpr( new NameExpr( "*?" ) );
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| 359 | deref->get_args().push_back( maybeBuild<Expression>(expr_node) );
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| 360 | UntypedMemberExpr *ret = new UntypedMemberExpr( memberExpr->get_name(), deref );
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| 361 | delete member;
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| 362 | return ret;
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| 363 | }
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| 364 |
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| 365 | Expression *build_addressOf( ExpressionNode *expr_node ) {
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| 366 | return new AddressExpr( maybeBuild<Expression>(expr_node) );
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| 367 | }
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| 368 | Expression *build_sizeOf( ExpressionNode *expr_node ) {
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| 369 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( expr_node ) ) {
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| 370 | return new SizeofExpr( arg->get_decl()->buildType() );
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| 371 | } else {
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| 372 | return new SizeofExpr( maybeBuild<Expression>(expr_node) );
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| 373 | } // if
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| 374 | }
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| 375 | Expression *build_alignOf( ExpressionNode *expr_node ) {
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| 376 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( expr_node ) ) {
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| 377 | return new AlignofExpr( arg->get_decl()->buildType() );
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| 378 | } else {
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| 379 | return new AlignofExpr( maybeBuild<Expression>(expr_node) );
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| 380 | } // if
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| 381 | }
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| 382 | Expression *build_offsetOf( TypeValueNode * arg, VarRefNode *member ) {
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| 383 | NameExpr *memberExpr = dynamic_cast<NameExpr *>( maybeBuild<Expression>( member ) );
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| 384 | assert( memberExpr );
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| 385 | return new UntypedOffsetofExpr( arg->get_decl()->buildType(), memberExpr->get_name() );
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| 386 | }
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| 387 |
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|---|
| 388 | Expression *build_and_or( ExpressionNode *expr_node1, ExpressionNode *expr_node2, bool kind ) {
|
|---|
| 389 | return new LogicalExpr( notZeroExpr( maybeBuild<Expression>(expr_node1) ), notZeroExpr( maybeBuild<Expression>(expr_node2) ), kind );
|
|---|
| 390 | }
|
|---|
| 391 |
|
|---|
| 392 | Expression *build_unary_val( OperKinds op, ExpressionNode *expr_node ) {
|
|---|
| 393 | std::list<Expression *> args;
|
|---|
| 394 | args.push_back( maybeBuild<Expression>(expr_node) );
|
|---|
| 395 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args );
|
|---|
| 396 | }
|
|---|
| 397 | Expression *build_unary_ptr( OperKinds op, ExpressionNode *expr_node ) {
|
|---|
| 398 | std::list<Expression *> args;
|
|---|
| 399 | args.push_back( new AddressExpr( maybeBuild<Expression>(expr_node) ) );
|
|---|
| 400 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args );
|
|---|
| 401 | }
|
|---|
| 402 | Expression *build_binary_val( OperKinds op, ExpressionNode *expr_node1, ExpressionNode *expr_node2 ) {
|
|---|
| 403 | std::list<Expression *> args;
|
|---|
| 404 | args.push_back( maybeBuild<Expression>(expr_node1) );
|
|---|
| 405 | args.push_back( maybeBuild<Expression>(expr_node2) );
|
|---|
| 406 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args );
|
|---|
| 407 | }
|
|---|
| 408 | Expression *build_binary_ptr( OperKinds op, ExpressionNode *expr_node1, ExpressionNode *expr_node2 ) {
|
|---|
| 409 | std::list<Expression *> args;
|
|---|
| 410 | args.push_back( new AddressExpr( maybeBuild<Expression>(expr_node1) ) );
|
|---|
| 411 | args.push_back( maybeBuild<Expression>(expr_node2) );
|
|---|
| 412 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args );
|
|---|
| 413 | }
|
|---|
| 414 |
|
|---|
| 415 | Expression *build_cond( ExpressionNode *expr_node1, ExpressionNode *expr_node2, ExpressionNode *expr_node3 ) {
|
|---|
| 416 | return new ConditionalExpr( notZeroExpr( maybeBuild<Expression>(expr_node1) ), maybeBuild<Expression>(expr_node2), maybeBuild<Expression>(expr_node3) );
|
|---|
| 417 | }
|
|---|
| 418 |
|
|---|
| 419 | Expression *build_comma( ExpressionNode *expr_node1, ExpressionNode *expr_node2 ) {
|
|---|
| 420 | return new CommaExpr( maybeBuild<Expression>(expr_node1), maybeBuild<Expression>(expr_node2) );
|
|---|
| 421 | }
|
|---|
| 422 |
|
|---|
| 423 | Expression *build_attr( VarRefNode *var, ExpressionNode * expr ) {
|
|---|
| 424 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( expr ) ) {
|
|---|
| 425 | return new AttrExpr( maybeBuild<Expression>(var), arg->get_decl()->buildType() );
|
|---|
| 426 | } else {
|
|---|
| 427 | return new AttrExpr( maybeBuild<Expression>(var), maybeBuild<Expression>(expr) );
|
|---|
| 428 | } // if
|
|---|
| 429 | }
|
|---|
| 430 |
|
|---|
| 431 | Expression *build_tuple( ExpressionNode * expr ) {
|
|---|
| 432 | TupleExpr *ret = new TupleExpr();
|
|---|
| 433 | buildList( expr, ret->get_exprs() );
|
|---|
| 434 | return ret;
|
|---|
| 435 | }
|
|---|
| 436 |
|
|---|
| 437 | Expression *build_func( ExpressionNode * function, ExpressionNode * expr ) {
|
|---|
| 438 | std::list<Expression *> args;
|
|---|
| 439 |
|
|---|
| 440 | buildList( expr, args );
|
|---|
| 441 | return new UntypedExpr( maybeBuild<Expression>(function), args, nullptr );
|
|---|
| 442 | }
|
|---|
| 443 |
|
|---|
| 444 | Expression *build_range( ExpressionNode * low, ExpressionNode *high ) {
|
|---|
| 445 | Expression *low_cexpr = maybeBuild<Expression>( low );
|
|---|
| 446 | Expression *high_cexpr = maybeBuild<Expression>( high );
|
|---|
| 447 | return new RangeExpr( low_cexpr, high_cexpr );
|
|---|
| 448 | }
|
|---|
| 449 |
|
|---|
| 450 | //##############################################################################
|
|---|
| 451 |
|
|---|
| 452 | Expression *AsmExprNode::build() const {
|
|---|
| 453 | return new AsmExpr( maybeBuild< Expression >( inout ), (ConstantExpr *)maybeBuild<Expression>(constraint), maybeBuild<Expression>(operand) );
|
|---|
| 454 | }
|
|---|
| 455 |
|
|---|
| 456 | void AsmExprNode::print( std::ostream &os, int indent ) const {
|
|---|
| 457 | os << string( indent, ' ' ) << "Assembler Expression:" << endl;
|
|---|
| 458 | if ( inout ) {
|
|---|
| 459 | os << string( indent, ' ' ) << "inout: " << std::endl;
|
|---|
| 460 | inout->print( os, indent + 2 );
|
|---|
| 461 | } // if
|
|---|
| 462 | if ( constraint ) {
|
|---|
| 463 | os << string( indent, ' ' ) << "constraint: " << std::endl;
|
|---|
| 464 | constraint->print( os, indent + 2 );
|
|---|
| 465 | } // if
|
|---|
| 466 | if ( operand ) {
|
|---|
| 467 | os << string( indent, ' ' ) << "operand: " << std::endl;
|
|---|
| 468 | operand->print( os, indent + 2 );
|
|---|
| 469 | } // if
|
|---|
| 470 | }
|
|---|
| 471 |
|
|---|
| 472 | void AsmExprNode::printOneLine( std::ostream &os, int indent ) const {
|
|---|
| 473 | printDesignation( os );
|
|---|
| 474 | os << "( ";
|
|---|
| 475 | if ( inout ) inout->printOneLine( os, indent + 2 );
|
|---|
| 476 | os << ", ";
|
|---|
| 477 | if ( constraint ) constraint->printOneLine( os, indent + 2 );
|
|---|
| 478 | os << ", ";
|
|---|
| 479 | if ( operand ) operand->printOneLine( os, indent + 2 );
|
|---|
| 480 | os << ") ";
|
|---|
| 481 | }
|
|---|
| 482 |
|
|---|
| 483 | //##############################################################################
|
|---|
| 484 |
|
|---|
| 485 | void LabelNode::print( std::ostream &os, int indent ) const {}
|
|---|
| 486 |
|
|---|
| 487 | void LabelNode::printOneLine( std::ostream &os, int indent ) const {}
|
|---|
| 488 |
|
|---|
| 489 | //##############################################################################
|
|---|
| 490 |
|
|---|
| 491 | ValofExprNode::ValofExprNode( StatementNode *s ): body( s ) {}
|
|---|
| 492 |
|
|---|
| 493 | ValofExprNode::ValofExprNode( const ValofExprNode &other ) : ExpressionNode( other ), body( maybeClone( body ) ) {
|
|---|
| 494 | }
|
|---|
| 495 |
|
|---|
| 496 | ValofExprNode::~ValofExprNode() {
|
|---|
| 497 | delete body;
|
|---|
| 498 | }
|
|---|
| 499 |
|
|---|
| 500 | void ValofExprNode::print( std::ostream &os, int indent ) const {
|
|---|
| 501 | printDesignation( os );
|
|---|
| 502 | os << string( indent, ' ' ) << "Valof Expression:" << std::endl;
|
|---|
| 503 | get_body()->print( os, indent + 4);
|
|---|
| 504 | }
|
|---|
| 505 |
|
|---|
| 506 | void ValofExprNode::printOneLine( std::ostream &, int indent ) const {
|
|---|
| 507 | assert( false );
|
|---|
| 508 | }
|
|---|
| 509 |
|
|---|
| 510 | Expression *ValofExprNode::build() const {
|
|---|
| 511 | return new UntypedValofExpr ( maybeBuild<Statement>(get_body()), maybeBuild< Expression >( get_argName() ) );
|
|---|
| 512 | }
|
|---|
| 513 |
|
|---|
| 514 | //##############################################################################
|
|---|
| 515 |
|
|---|
| 516 | ForCtlExprNode::ForCtlExprNode( ParseNode *init_, ExpressionNode *cond, ExpressionNode *incr ) throw ( SemanticError ) : condition( cond ), change( incr ) {
|
|---|
| 517 | if ( init_ == 0 )
|
|---|
| 518 | init = 0;
|
|---|
| 519 | else {
|
|---|
| 520 | DeclarationNode *decl;
|
|---|
| 521 | ExpressionNode *exp;
|
|---|
| 522 |
|
|---|
| 523 | if (( decl = dynamic_cast<DeclarationNode *>(init_) ) != 0)
|
|---|
| 524 | init = new StatementNode( decl );
|
|---|
| 525 | else if (( exp = dynamic_cast<ExpressionNode *>( init_)) != 0)
|
|---|
| 526 | init = new StatementNode( StatementNode::Exp, exp );
|
|---|
| 527 | else
|
|---|
| 528 | throw SemanticError("Error in for control expression");
|
|---|
| 529 | }
|
|---|
| 530 | }
|
|---|
| 531 |
|
|---|
| 532 | ForCtlExprNode::ForCtlExprNode( const ForCtlExprNode &other )
|
|---|
| 533 | : ExpressionNode( other ), init( maybeClone( other.init ) ), condition( maybeClone( other.condition ) ), change( maybeClone( other.change ) ) {
|
|---|
| 534 | }
|
|---|
| 535 |
|
|---|
| 536 | ForCtlExprNode::~ForCtlExprNode() {
|
|---|
| 537 | delete init;
|
|---|
| 538 | delete condition;
|
|---|
| 539 | delete change;
|
|---|
| 540 | }
|
|---|
| 541 |
|
|---|
| 542 | Expression *ForCtlExprNode::build() const {
|
|---|
| 543 | // this shouldn't be used!
|
|---|
| 544 | assert( false );
|
|---|
| 545 | return 0;
|
|---|
| 546 | }
|
|---|
| 547 |
|
|---|
| 548 | void ForCtlExprNode::print( std::ostream &os, int indent ) const{
|
|---|
| 549 | os << string( indent,' ' ) << "For Control Expression -- :" << endl;
|
|---|
| 550 |
|
|---|
| 551 | os << string( indent + 2, ' ' ) << "initialization:" << endl;
|
|---|
| 552 | if ( init != 0 )
|
|---|
| 553 | init->printList( os, indent + 4 );
|
|---|
| 554 |
|
|---|
| 555 | os << string( indent + 2, ' ' ) << "condition: " << endl;
|
|---|
| 556 | if ( condition != 0 )
|
|---|
| 557 | condition->print( os, indent + 4 );
|
|---|
| 558 | os << string( indent + 2, ' ' ) << "increment: " << endl;
|
|---|
| 559 | if ( change != 0 )
|
|---|
| 560 | change->print( os, indent + 4 );
|
|---|
| 561 | }
|
|---|
| 562 |
|
|---|
| 563 | void ForCtlExprNode::printOneLine( std::ostream &, int indent ) const {
|
|---|
| 564 | assert( false );
|
|---|
| 565 | }
|
|---|
| 566 |
|
|---|
| 567 | //##############################################################################
|
|---|
| 568 |
|
|---|
| 569 | TypeValueNode::TypeValueNode( DeclarationNode *decl ) : decl( decl ) {
|
|---|
| 570 | }
|
|---|
| 571 |
|
|---|
| 572 | TypeValueNode::TypeValueNode( const TypeValueNode &other ) : ExpressionNode( other ), decl( maybeClone( other.decl ) ) {
|
|---|
| 573 | }
|
|---|
| 574 |
|
|---|
| 575 | Expression *TypeValueNode::build() const {
|
|---|
| 576 | return new TypeExpr( decl->buildType() );
|
|---|
| 577 | }
|
|---|
| 578 |
|
|---|
| 579 | void TypeValueNode::print( std::ostream &os, int indent ) const {
|
|---|
| 580 | os << std::string( indent, ' ' ) << "Type:";
|
|---|
| 581 | get_decl()->print( os, indent + 2);
|
|---|
| 582 | }
|
|---|
| 583 |
|
|---|
| 584 | void TypeValueNode::printOneLine( std::ostream &os, int indent ) const {
|
|---|
| 585 | os << "Type:";
|
|---|
| 586 | get_decl()->print( os, indent + 2);
|
|---|
| 587 | }
|
|---|
| 588 |
|
|---|
| 589 |
|
|---|
| 590 | CompoundLiteralNode::CompoundLiteralNode( DeclarationNode *type, InitializerNode *kids ) : type( type ), kids( kids ) {}
|
|---|
| 591 | CompoundLiteralNode::CompoundLiteralNode( const CompoundLiteralNode &other ) : ExpressionNode( other ), type( other.type ), kids( other.kids ) {}
|
|---|
| 592 |
|
|---|
| 593 | CompoundLiteralNode::~CompoundLiteralNode() {
|
|---|
| 594 | delete kids;
|
|---|
| 595 | delete type;
|
|---|
| 596 | }
|
|---|
| 597 |
|
|---|
| 598 | CompoundLiteralNode *CompoundLiteralNode::clone() const {
|
|---|
| 599 | return new CompoundLiteralNode( *this );
|
|---|
| 600 | }
|
|---|
| 601 |
|
|---|
| 602 | void CompoundLiteralNode::print( std::ostream &os, int indent ) const {
|
|---|
| 603 | os << string( indent,' ' ) << "CompoundLiteralNode:" << endl;
|
|---|
| 604 |
|
|---|
| 605 | os << string( indent + 2, ' ' ) << "type:" << endl;
|
|---|
| 606 | if ( type != 0 )
|
|---|
| 607 | type->print( os, indent + 4 );
|
|---|
| 608 |
|
|---|
| 609 | os << string( indent + 2, ' ' ) << "initialization:" << endl;
|
|---|
| 610 | if ( kids != 0 )
|
|---|
| 611 | kids->printList( os, indent + 4 );
|
|---|
| 612 | }
|
|---|
| 613 |
|
|---|
| 614 | void CompoundLiteralNode::printOneLine( std::ostream &os, int indent ) const {
|
|---|
| 615 | os << "( ";
|
|---|
| 616 | if ( type ) type->print( os );
|
|---|
| 617 | os << ", ";
|
|---|
| 618 | if ( kids ) kids->printOneLine( os );
|
|---|
| 619 | os << ") ";
|
|---|
| 620 | }
|
|---|
| 621 |
|
|---|
| 622 | Expression *CompoundLiteralNode::build() const {
|
|---|
| 623 | Declaration * newDecl = maybeBuild<Declaration>(type); // compound literal type
|
|---|
| 624 | if ( DeclarationWithType * newDeclWithType = dynamic_cast< DeclarationWithType * >( newDecl ) ) { // non-sue compound-literal type
|
|---|
| 625 | return new CompoundLiteralExpr( newDeclWithType->get_type(), maybeBuild<Initializer>(kids) );
|
|---|
| 626 | // these types do not have associated type information
|
|---|
| 627 | } else if ( StructDecl * newDeclStructDecl = dynamic_cast< StructDecl * >( newDecl ) ) {
|
|---|
| 628 | return new CompoundLiteralExpr( new StructInstType( Type::Qualifiers(), newDeclStructDecl->get_name() ), maybeBuild<Initializer>(kids) );
|
|---|
| 629 | } else if ( UnionDecl * newDeclUnionDecl = dynamic_cast< UnionDecl * >( newDecl ) ) {
|
|---|
| 630 | return new CompoundLiteralExpr( new UnionInstType( Type::Qualifiers(), newDeclUnionDecl->get_name() ), maybeBuild<Initializer>(kids) );
|
|---|
| 631 | } else if ( EnumDecl * newDeclEnumDecl = dynamic_cast< EnumDecl * >( newDecl ) ) {
|
|---|
| 632 | return new CompoundLiteralExpr( new EnumInstType( Type::Qualifiers(), newDeclEnumDecl->get_name() ), maybeBuild<Initializer>(kids) );
|
|---|
| 633 | } else {
|
|---|
| 634 | assert( false );
|
|---|
| 635 | } // if
|
|---|
| 636 | }
|
|---|
| 637 |
|
|---|
| 638 | // Local Variables: //
|
|---|
| 639 | // tab-width: 4 //
|
|---|
| 640 | // mode: c++ //
|
|---|
| 641 | // compile-command: "make install" //
|
|---|
| 642 | // End: //
|
|---|