[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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| 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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[097e2b0] | 11 | // Last Modified By : Peter A. Buhr |
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| 12 | // Last Modified On : Mon Oct 5 16:37:24 2015 |
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| 13 | // Update Count : 255 |
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[b87a5ed] | 14 | // |
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| 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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| 21 | #include <climits> |
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[51b7345] | 22 | |
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| 23 | #include "ParseNode.h" |
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| 24 | #include "SynTree/Constant.h" |
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| 25 | #include "SynTree/Expression.h" |
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| 26 | #include "UnimplementedError.h" |
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| 27 | #include "parseutility.h" |
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| 28 | #include "utility.h" |
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| 29 | |
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| 30 | using namespace std; |
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| 31 | |
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[3848e0e] | 32 | ExpressionNode::ExpressionNode() : ParseNode(), argName( 0 ) {} |
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[51b7345] | 33 | |
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[e869d663] | 34 | ExpressionNode::ExpressionNode( const string *name ) : ParseNode( name ), argName( 0 ) {} |
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[51b7345] | 35 | |
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[3848e0e] | 36 | ExpressionNode::ExpressionNode( const ExpressionNode &other ) : ParseNode( other.name ) { |
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[b87a5ed] | 37 | if ( other.argName ) { |
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| 38 | argName = other.argName->clone(); |
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| 39 | } else { |
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| 40 | argName = 0; |
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| 41 | } // if |
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[51b7345] | 42 | } |
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| 43 | |
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[7f5566b] | 44 | ExpressionNode * ExpressionNode::set_argName( const std::string *aName ) { |
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[b87a5ed] | 45 | argName = new VarRefNode( aName ); |
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| 46 | return this; |
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[51b7345] | 47 | } |
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| 48 | |
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[7f5566b] | 49 | ExpressionNode * ExpressionNode::set_argName( ExpressionNode *aDesignator ) { |
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[b87a5ed] | 50 | argName = aDesignator; |
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| 51 | return this; |
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[51b7345] | 52 | } |
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| 53 | |
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| 54 | void ExpressionNode::printDesignation( std::ostream &os, int indent ) const { |
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[b87a5ed] | 55 | if ( argName ) { |
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[59db689] | 56 | os << string( indent, ' ' ) << "(designated by: "; |
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[b87a5ed] | 57 | argName->printOneLine( os, indent ); |
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| 58 | os << ")" << std::endl; |
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| 59 | } // if |
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[51b7345] | 60 | } |
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| 61 | |
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[cd623a4] | 62 | //############################################################################## |
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| 63 | |
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[3848e0e] | 64 | NullExprNode::NullExprNode() {} |
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[51b7345] | 65 | |
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[3848e0e] | 66 | NullExprNode *NullExprNode::clone() const { |
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[b87a5ed] | 67 | return new NullExprNode(); |
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[51b7345] | 68 | } |
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| 69 | |
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[bdd516a] | 70 | void NullExprNode::print( std::ostream & os, int indent ) const { |
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[b87a5ed] | 71 | printDesignation( os ); |
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| 72 | os << "null expression"; |
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[51b7345] | 73 | } |
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| 74 | |
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[bdd516a] | 75 | void NullExprNode::printOneLine( std::ostream & os, int indent ) const { |
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[b87a5ed] | 76 | printDesignation( os ); |
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| 77 | os << "null"; |
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[51b7345] | 78 | } |
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| 79 | |
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[3848e0e] | 80 | Expression *NullExprNode::build() const { |
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[b87a5ed] | 81 | return 0; |
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[51b7345] | 82 | } |
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| 83 | |
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[a08ba92] | 84 | CommaExprNode *ExpressionNode::add_to_list( ExpressionNode *exp ) { |
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[b87a5ed] | 85 | return new CommaExprNode( this, exp ); |
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[51b7345] | 86 | } |
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| 87 | |
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[cd623a4] | 88 | //############################################################################## |
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| 89 | |
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| 90 | static inline bool checkU( char c ) { return c == 'u' || c == 'U'; } |
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| 91 | static inline bool checkL( char c ) { return c == 'l' || c == 'L'; } |
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| 92 | static inline bool checkF( char c ) { return c == 'f' || c == 'F'; } |
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| 93 | static inline bool checkX( char c ) { return c == 'x' || c == 'X'; } |
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| 94 | |
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[5f2f2d7] | 95 | // Difficult to separate extra parts of constants during lexing because actions are not allow in the middle of patterns: |
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[cd623a4] | 96 | // |
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| 97 | // prefix action constant action suffix |
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| 98 | // |
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| 99 | // Alternatively, breaking a pattern using BEGIN does not work if the following pattern can be empty: |
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| 100 | // |
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| 101 | // constant BEGIN CONT ... |
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| 102 | // <CONT>(...)? BEGIN 0 ... // possible empty suffix |
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| 103 | // |
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| 104 | // because the CONT rule is NOT triggered if the pattern is empty. Hence, constants are reparsed here to determine their |
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| 105 | // type. |
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[51b7345] | 106 | |
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[59db689] | 107 | ConstantNode::ConstantNode( Type t, string *inVal ) : type( t ), value( *inVal ) { |
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[cd623a4] | 108 | // lexing divides constants into 4 kinds |
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[a08ba92] | 109 | switch ( type ) { |
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[59db689] | 110 | case Integer: |
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[b87a5ed] | 111 | { |
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[59db689] | 112 | static const BasicType::Kind kind[2][3] = { |
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| 113 | { BasicType::SignedInt, BasicType::LongSignedInt, BasicType::LongLongSignedInt }, |
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| 114 | { BasicType::UnsignedInt, BasicType::LongUnsignedInt, BasicType::LongLongUnsignedInt }, |
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| 115 | }; |
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| 116 | size_t last = value.length() - 1; // last character of constant |
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| 117 | unsigned long long v; // converted integral value |
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| 118 | bool dec = true, Unsigned = false; // decimal, unsigned constant |
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| 119 | int size; // 0 => int, 1 => long, 2 => long long |
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| 120 | |
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[cd623a4] | 121 | if ( value[0] == '0' ) { // octal constant ? |
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[59db689] | 122 | dec = false; |
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[cd623a4] | 123 | if ( last != 0 && checkX( value[1] ) ) { // hex constant ? |
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[59db689] | 124 | sscanf( (char *)value.c_str(), "%llx", &v ); |
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| 125 | //printf( "%llx %llu\n", v, v ); |
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| 126 | } else { |
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| 127 | sscanf( (char *)value.c_str(), "%llo", &v ); |
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| 128 | //printf( "%llo %llu\n", v, v ); |
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| 129 | } // if |
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[cd623a4] | 130 | } else { // decimal constant ? |
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[5f2f2d7] | 131 | sscanf( (char *)value.c_str(), "%llu", &v ); |
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[59db689] | 132 | //printf( "%llu %llu\n", v, v ); |
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| 133 | } // if |
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| 134 | |
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| 135 | if ( v <= INT_MAX ) { // signed int |
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| 136 | size = 0; |
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[5f2f2d7] | 137 | } else if ( v <= UINT_MAX && ! dec ) { // unsigned int |
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[59db689] | 138 | size = 0; |
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[5f2f2d7] | 139 | Unsigned = true; // unsigned |
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[59db689] | 140 | } else if ( v <= LONG_MAX ) { // signed long int |
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| 141 | size = 1; |
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[5f2f2d7] | 142 | } else if ( v <= ULONG_MAX && ( ! dec || LONG_MAX == LLONG_MAX ) ) { // signed long int |
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[59db689] | 143 | size = 1; |
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[5f2f2d7] | 144 | Unsigned = true; // unsigned long int |
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[59db689] | 145 | } else if ( v <= LLONG_MAX ) { // signed long long int |
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| 146 | size = 2; |
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[5f2f2d7] | 147 | } else { // unsigned long long int |
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[59db689] | 148 | size = 2; |
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[5f2f2d7] | 149 | Unsigned = true; // unsigned long long int |
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[59db689] | 150 | } // if |
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[51b7345] | 151 | |
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[cd623a4] | 152 | if ( checkU( value[last] ) ) { // suffix 'u' ? |
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[59db689] | 153 | Unsigned = true; |
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[5f2f2d7] | 154 | if ( last > 0 && checkL( value[ last - 1 ] ) ) { // suffix 'l' ? |
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[59db689] | 155 | size = 1; |
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[5f2f2d7] | 156 | if ( last > 1 && checkL( value[ last - 2 ] ) ) { // suffix 'll' ? |
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[59db689] | 157 | size = 2; |
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| 158 | } // if |
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| 159 | } // if |
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[cd623a4] | 160 | } else if ( checkL( value[ last ] ) ) { // suffix 'l' ? |
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[59db689] | 161 | size = 1; |
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[5f2f2d7] | 162 | if ( last > 0 && checkL( value[ last - 1 ] ) ) { // suffix 'll' ? |
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[59db689] | 163 | size = 2; |
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[5f2f2d7] | 164 | if ( last > 1 && checkU( value[ last - 2 ] ) ) { // suffix 'u' ? |
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| 165 | Unsigned = true; |
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| 166 | } // if |
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| 167 | } else { |
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| 168 | if ( last > 0 && checkU( value[ last - 1 ] ) ) { // suffix 'u' ? |
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| 169 | Unsigned = true; |
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| 170 | } // if |
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[59db689] | 171 | } // if |
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| 172 | } // if |
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[cd623a4] | 173 | btype = kind[Unsigned][size]; // lookup constant type |
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| 174 | break; |
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| 175 | } |
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| 176 | case Float: |
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| 177 | { |
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| 178 | size_t len = value.length() - 1; |
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| 179 | |
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| 180 | btype = BasicType::Double; // default |
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| 181 | if ( checkF( value[len] ) ) { // float ? |
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| 182 | btype = BasicType::Float; |
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| 183 | } // if |
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| 184 | if ( checkL( value[len] ) ) { // long double ? |
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| 185 | btype = BasicType::LongDouble; |
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| 186 | } // if |
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[b87a5ed] | 187 | break; |
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| 188 | } |
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[59db689] | 189 | case Character: |
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| 190 | btype = BasicType::Char; // default |
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| 191 | if ( string( "LUu" ).find( value[0] ) != string::npos ) { |
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| 192 | // ??? |
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| 193 | } // if |
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| 194 | break; |
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| 195 | case String: |
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| 196 | // array of char |
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| 197 | if ( string( "LUu" ).find( value[0] ) != string::npos ) { |
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| 198 | if ( value[0] == 'u' && value[1] == '8' ) { |
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| 199 | // ??? |
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| 200 | } else { |
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| 201 | // ??? |
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| 202 | } // if |
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| 203 | } // if |
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| 204 | break; |
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| 205 | } // switch |
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| 206 | } // ConstantNode::ConstantNode |
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[51b7345] | 207 | |
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[59db689] | 208 | ConstantNode *ConstantNode::appendstr( const std::string *newValue ) { |
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| 209 | assert( newValue != 0 ); |
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| 210 | assert( type == String ); |
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[51b7345] | 211 | |
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[7f5566b] | 212 | // "abc" "def" "ghi" => "abcdefghi", remove new text from quotes and insert before last quote in old string. |
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[59db689] | 213 | value.insert( value.length() - 1, newValue->substr( 1, newValue->length() - 2 ) ); |
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| 214 | |
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[cd623a4] | 215 | delete newValue; // allocated by lexer |
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[b87a5ed] | 216 | return this; |
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[51b7345] | 217 | } |
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| 218 | |
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[bdd516a] | 219 | void ConstantNode::printOneLine( std::ostream &os, int indent ) const { |
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[59db689] | 220 | os << string( indent, ' ' ); |
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[b87a5ed] | 221 | printDesignation( os ); |
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| 222 | |
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| 223 | switch ( type ) { |
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| 224 | case Integer: |
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| 225 | case Float: |
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| 226 | os << value ; |
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| 227 | break; |
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| 228 | case Character: |
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| 229 | os << "'" << value << "'"; |
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| 230 | break; |
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| 231 | case String: |
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| 232 | os << '"' << value << '"'; |
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| 233 | break; |
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[c7ed6d0] | 234 | } // switch |
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[51b7345] | 235 | |
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[b87a5ed] | 236 | os << ' '; |
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[51b7345] | 237 | } |
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| 238 | |
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[bdd516a] | 239 | void ConstantNode::print( std::ostream &os, int indent ) const { |
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[b87a5ed] | 240 | printOneLine( os, indent ); |
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| 241 | os << endl; |
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[51b7345] | 242 | } |
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| 243 | |
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| 244 | Expression *ConstantNode::build() const { |
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[cd623a4] | 245 | ::Type::Qualifiers q; // no qualifiers on constants |
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[b87a5ed] | 246 | |
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[59db689] | 247 | switch ( get_type() ) { |
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[b87a5ed] | 248 | case String: |
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[59db689] | 249 | { |
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| 250 | // string should probably be a primitive type |
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| 251 | ArrayType *at = new ArrayType( q, new BasicType( q, BasicType::Char ), |
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| 252 | new ConstantExpr( |
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| 253 | Constant( new BasicType( q, BasicType::UnsignedInt ), |
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[ea9b9d3] | 254 | toString( value.size()+1-2 ) ) ), // +1 for '\0' and -2 for '"' |
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[59db689] | 255 | false, false ); |
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| 256 | return new ConstantExpr( Constant( at, value ), maybeBuild< Expression >( get_argName() ) ); |
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| 257 | } |
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| 258 | default: |
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[cd623a4] | 259 | return new ConstantExpr( Constant( new BasicType( q, btype ), get_value() ), maybeBuild< Expression >( get_argName() ) ); |
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[b87a5ed] | 260 | } |
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[51b7345] | 261 | } |
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| 262 | |
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[cd623a4] | 263 | //############################################################################## |
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| 264 | |
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[bdd516a] | 265 | VarRefNode::VarRefNode() : isLabel( false ) {} |
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[51b7345] | 266 | |
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[59db689] | 267 | VarRefNode::VarRefNode( const string *name_, bool labelp ) : ExpressionNode( name_ ), isLabel( labelp ) {} |
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[51b7345] | 268 | |
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[3848e0e] | 269 | VarRefNode::VarRefNode( const VarRefNode &other ) : ExpressionNode( other ), isLabel( other.isLabel ) { |
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[51b7345] | 270 | } |
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| 271 | |
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| 272 | Expression *VarRefNode::build() const { |
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[b87a5ed] | 273 | return new NameExpr( get_name(), maybeBuild< Expression >( get_argName() ) ); |
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[51b7345] | 274 | } |
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| 275 | |
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[bdd516a] | 276 | void VarRefNode::printOneLine( std::ostream &os, int indent ) const { |
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[b87a5ed] | 277 | printDesignation( os ); |
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| 278 | os << get_name() << ' '; |
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[51b7345] | 279 | } |
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| 280 | |
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[bdd516a] | 281 | void VarRefNode::print( std::ostream &os, int indent ) const { |
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[b87a5ed] | 282 | printDesignation( os ); |
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[44b5ca0] | 283 | os << string( indent, ' ' ) << "Referencing: "; |
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[b87a5ed] | 284 | os << "Variable: " << get_name(); |
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| 285 | os << endl; |
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[51b7345] | 286 | } |
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| 287 | |
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[cd623a4] | 288 | //############################################################################## |
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| 289 | |
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[51b1202] | 290 | DesignatorNode::DesignatorNode( ExpressionNode *expr, bool isArrayIndex ) : isArrayIndex( isArrayIndex ) { |
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| 291 | set_argName( expr ); |
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[e869d663] | 292 | assert( get_argName() ); |
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| 293 | |
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| 294 | if ( ! isArrayIndex ) { |
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| 295 | if ( VarRefNode * var = dynamic_cast< VarRefNode * >( expr ) ) { |
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| 296 | |
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| 297 | stringstream ss( var->get_name() ); |
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| 298 | double value; |
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| 299 | if ( ss >> value ) { |
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| 300 | // this is a floating point constant. It MUST be |
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| 301 | // ".0" or ".1", otherwise the program is invalid |
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| 302 | if ( ! (var->get_name() == ".0" || var->get_name() == ".1") ) { |
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| 303 | throw SemanticError( "invalid designator name: " + var->get_name() ); |
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| 304 | } // if |
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| 305 | var->set_name( var->get_name().substr(1) ); |
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| 306 | } // if |
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| 307 | } // if |
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| 308 | } // if |
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[51b1202] | 309 | } |
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| 310 | |
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| 311 | DesignatorNode::DesignatorNode( const DesignatorNode &other ) : ExpressionNode( other ), isArrayIndex( other.isArrayIndex ) { |
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| 312 | } |
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| 313 | |
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[e869d663] | 314 | class DesignatorFixer : public Mutator { |
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| 315 | public: |
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| 316 | virtual Expression* mutate( NameExpr *nameExpr ) { |
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| 317 | if ( nameExpr->get_name() == "0" || nameExpr->get_name() == "1" ) { |
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| 318 | Constant val( new BasicType( Type::Qualifiers(), BasicType::SignedInt ), nameExpr->get_name() ); |
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| 319 | delete nameExpr; |
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| 320 | return new ConstantExpr( val ); |
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| 321 | } |
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| 322 | return nameExpr; |
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| 323 | } |
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| 324 | }; |
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| 325 | |
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[51b1202] | 326 | Expression *DesignatorNode::build() const { |
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[e869d663] | 327 | Expression * ret = get_argName()->build(); |
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| 328 | |
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[51b1202] | 329 | if ( isArrayIndex ) { |
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[e869d663] | 330 | // need to traverse entire structure and change any instances of 0 or 1 to |
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| 331 | // ConstantExpr |
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| 332 | DesignatorFixer fixer; |
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| 333 | ret = ret->acceptMutator( fixer ); |
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[51b1202] | 334 | } // if |
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[e869d663] | 335 | |
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| 336 | return ret; |
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[51b1202] | 337 | } |
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| 338 | |
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| 339 | void DesignatorNode::printOneLine( std::ostream &os, int indent ) const { |
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| 340 | if ( get_argName() ) { |
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| 341 | if ( isArrayIndex ) { |
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| 342 | os << "["; |
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| 343 | get_argName()->printOneLine( os, indent ); |
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| 344 | os << "]"; |
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| 345 | } else { |
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| 346 | os << "."; |
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| 347 | get_argName()->printOneLine( os, indent ); |
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| 348 | } |
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| 349 | } // if |
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| 350 | } |
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| 351 | |
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| 352 | void DesignatorNode::print( std::ostream &os, int indent ) const { |
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| 353 | if ( get_argName() ) { |
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| 354 | if ( isArrayIndex ) { |
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| 355 | os << "["; |
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| 356 | get_argName()->print( os, indent ); |
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| 357 | os << "]"; |
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| 358 | } else { |
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| 359 | os << "."; |
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| 360 | get_argName()->print( os, indent ); |
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| 361 | } |
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| 362 | } // if |
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| 363 | } |
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| 364 | |
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| 365 | //############################################################################## |
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| 366 | |
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[bdd516a] | 367 | OperatorNode::OperatorNode( Type t ) : type( t ) {} |
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[51b7345] | 368 | |
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[3848e0e] | 369 | OperatorNode::OperatorNode( const OperatorNode &other ) : ExpressionNode( other ), type( other.type ) { |
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[51b7345] | 370 | } |
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| 371 | |
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| 372 | OperatorNode::~OperatorNode() {} |
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| 373 | |
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[bdd516a] | 374 | OperatorNode::Type OperatorNode::get_type( void ) const{ |
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[b87a5ed] | 375 | return type; |
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[51b7345] | 376 | } |
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| 377 | |
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[3848e0e] | 378 | void OperatorNode::printOneLine( std::ostream &os, int indent ) const { |
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[b87a5ed] | 379 | printDesignation( os ); |
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| 380 | os << OpName[ type ] << ' '; |
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[51b7345] | 381 | } |
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| 382 | |
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| 383 | void OperatorNode::print( std::ostream &os, int indent ) const{ |
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[b87a5ed] | 384 | printDesignation( os ); |
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[44b5ca0] | 385 | os << string( indent, ' ' ) << "Operator: " << OpName[type] << endl; |
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[b87a5ed] | 386 | return; |
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[51b7345] | 387 | } |
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| 388 | |
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[59db689] | 389 | const char *OperatorNode::get_typename( void ) const{ |
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| 390 | return OpName[ type ]; |
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[51b7345] | 391 | } |
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| 392 | |
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[3848e0e] | 393 | const char *OperatorNode::OpName[] = { |
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[b87a5ed] | 394 | "TupleC", "Comma", "TupleFieldSel",// "TuplePFieldSel", //n-adic |
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| 395 | // triadic |
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| 396 | "Cond", "NCond", |
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| 397 | // diadic |
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[cd623a4] | 398 | "SizeOf", "AlignOf", "Attr", "CompLit", "Plus", "Minus", "Mul", "Div", "Mod", "Or", |
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[b87a5ed] | 399 | "And", "BitOr", "BitAnd", "Xor", "Cast", "LShift", "RShift", "LThan", "GThan", |
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| 400 | "LEThan", "GEThan", "Eq", "Neq", "Assign", "MulAssn", "DivAssn", "ModAssn", "PlusAssn", |
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| 401 | "MinusAssn", "LSAssn", "RSAssn", "AndAssn", "ERAssn", "OrAssn", "Index", "FieldSel","PFieldSel", |
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| 402 | "Range", |
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| 403 | // monadic |
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| 404 | "UnPlus", "UnMinus", "AddressOf", "PointTo", "Neg", "BitNeg", "Incr", "IncrPost", "Decr", "DecrPost", "LabelAddress" |
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[3848e0e] | 405 | }; |
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[51b7345] | 406 | |
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[cd623a4] | 407 | //############################################################################## |
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| 408 | |
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[7f5566b] | 409 | CompositeExprNode::CompositeExprNode() : ExpressionNode(), function( 0 ), arguments( 0 ) { |
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[51b7345] | 410 | } |
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| 411 | |
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[59db689] | 412 | CompositeExprNode::CompositeExprNode( const string *name_ ) : ExpressionNode( name_ ), function( 0 ), arguments( 0 ) { |
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[51b7345] | 413 | } |
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| 414 | |
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[bdd516a] | 415 | CompositeExprNode::CompositeExprNode( ExpressionNode *f, ExpressionNode *args ): |
---|
[b87a5ed] | 416 | function( f ), arguments( args ) { |
---|
[51b7345] | 417 | } |
---|
| 418 | |
---|
[bdd516a] | 419 | CompositeExprNode::CompositeExprNode( ExpressionNode *f, ExpressionNode *arg1, ExpressionNode *arg2): |
---|
[097e2b0] | 420 | function( f ), arguments( arg1 ) { |
---|
| 421 | arguments->set_link( arg2 ); |
---|
[51b7345] | 422 | } |
---|
| 423 | |
---|
[3848e0e] | 424 | CompositeExprNode::CompositeExprNode( const CompositeExprNode &other ) : ExpressionNode( other ), function( maybeClone( other.function ) ) { |
---|
[b87a5ed] | 425 | ParseNode *cur = other.arguments; |
---|
| 426 | while ( cur ) { |
---|
| 427 | if ( arguments ) { |
---|
| 428 | arguments->set_link( cur->clone() ); |
---|
| 429 | } else { |
---|
| 430 | arguments = ( ExpressionNode*)cur->clone(); |
---|
| 431 | } // if |
---|
| 432 | cur = cur->get_link(); |
---|
| 433 | } |
---|
[51b7345] | 434 | } |
---|
| 435 | |
---|
[3848e0e] | 436 | CompositeExprNode::~CompositeExprNode() { |
---|
[b87a5ed] | 437 | delete function; |
---|
| 438 | delete arguments; |
---|
[51b7345] | 439 | } |
---|
| 440 | |
---|
| 441 | // the names that users use to define operator functions |
---|
[3848e0e] | 442 | static const char *opFuncName[] = { |
---|
[de62360d] | 443 | "", "", "", |
---|
| 444 | "", "", |
---|
| 445 | //diadic |
---|
| 446 | "", "", "", "", "?+?", "?-?", "?*?", "?/?", "?%?", "", "", |
---|
| 447 | "?|?", "?&?", "?^?", "", "?<<?", "?>>?", "?<?", "?>?", "?<=?", |
---|
| 448 | "?>=?", "?==?", "?!=?", "?=?", "?*=?", "?/=?", "?%=?", "?+=?", "?-=?", |
---|
| 449 | "?<<=?", "?>>=?", "?&=?", "?^=?", "?|=?", "?[?]", "", "", "Range", |
---|
| 450 | //monadic |
---|
| 451 | "+?", "-?", "", "*?", "!?", "~?", "++?", "?++", "--?", "?--", "&&" |
---|
[3848e0e] | 452 | }; |
---|
[51b7345] | 453 | |
---|
| 454 | #include "utility.h" |
---|
| 455 | |
---|
[3848e0e] | 456 | Expression *CompositeExprNode::build() const { |
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[b87a5ed] | 457 | OperatorNode *op; |
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| 458 | std::list<Expression *> args; |
---|
[51b7345] | 459 | |
---|
[b87a5ed] | 460 | buildList( get_args(), args ); |
---|
| 461 | |
---|
[cd623a4] | 462 | if ( ! ( op = dynamic_cast<OperatorNode *>( function ) ) ) { // function as opposed to operator |
---|
[b87a5ed] | 463 | return new UntypedExpr( function->build(), args, maybeBuild< Expression >( get_argName() )); |
---|
[cd623a4] | 464 | } // if |
---|
[b87a5ed] | 465 | |
---|
[cd623a4] | 466 | switch ( op->get_type()) { |
---|
| 467 | case OperatorNode::Incr: |
---|
| 468 | case OperatorNode::Decr: |
---|
| 469 | case OperatorNode::IncrPost: |
---|
| 470 | case OperatorNode::DecrPost: |
---|
| 471 | case OperatorNode::Assign: |
---|
| 472 | case OperatorNode::MulAssn: |
---|
| 473 | case OperatorNode::DivAssn: |
---|
| 474 | case OperatorNode::ModAssn: |
---|
| 475 | case OperatorNode::PlusAssn: |
---|
| 476 | case OperatorNode::MinusAssn: |
---|
| 477 | case OperatorNode::LSAssn: |
---|
| 478 | case OperatorNode::RSAssn: |
---|
| 479 | case OperatorNode::AndAssn: |
---|
| 480 | case OperatorNode::ERAssn: |
---|
| 481 | case OperatorNode::OrAssn: |
---|
| 482 | // the rewrite rules for these expressions specify that the first argument has its address taken |
---|
| 483 | assert( ! args.empty() ); |
---|
| 484 | args.front() = new AddressExpr( args.front() ); |
---|
| 485 | break; |
---|
| 486 | default: |
---|
| 487 | /* do nothing */ |
---|
| 488 | ; |
---|
| 489 | } |
---|
| 490 | |
---|
| 491 | switch ( op->get_type() ) { |
---|
| 492 | case OperatorNode::Incr: |
---|
| 493 | case OperatorNode::Decr: |
---|
| 494 | case OperatorNode::IncrPost: |
---|
| 495 | case OperatorNode::DecrPost: |
---|
| 496 | case OperatorNode::Assign: |
---|
| 497 | case OperatorNode::MulAssn: |
---|
| 498 | case OperatorNode::DivAssn: |
---|
| 499 | case OperatorNode::ModAssn: |
---|
| 500 | case OperatorNode::PlusAssn: |
---|
| 501 | case OperatorNode::MinusAssn: |
---|
| 502 | case OperatorNode::LSAssn: |
---|
| 503 | case OperatorNode::RSAssn: |
---|
| 504 | case OperatorNode::AndAssn: |
---|
| 505 | case OperatorNode::ERAssn: |
---|
| 506 | case OperatorNode::OrAssn: |
---|
| 507 | case OperatorNode::Plus: |
---|
| 508 | case OperatorNode::Minus: |
---|
| 509 | case OperatorNode::Mul: |
---|
| 510 | case OperatorNode::Div: |
---|
| 511 | case OperatorNode::Mod: |
---|
| 512 | case OperatorNode::BitOr: |
---|
| 513 | case OperatorNode::BitAnd: |
---|
| 514 | case OperatorNode::Xor: |
---|
| 515 | case OperatorNode::LShift: |
---|
| 516 | case OperatorNode::RShift: |
---|
| 517 | case OperatorNode::LThan: |
---|
| 518 | case OperatorNode::GThan: |
---|
| 519 | case OperatorNode::LEThan: |
---|
| 520 | case OperatorNode::GEThan: |
---|
| 521 | case OperatorNode::Eq: |
---|
| 522 | case OperatorNode::Neq: |
---|
| 523 | case OperatorNode::Index: |
---|
| 524 | case OperatorNode::Range: |
---|
| 525 | case OperatorNode::UnPlus: |
---|
| 526 | case OperatorNode::UnMinus: |
---|
| 527 | case OperatorNode::PointTo: |
---|
| 528 | case OperatorNode::Neg: |
---|
| 529 | case OperatorNode::BitNeg: |
---|
| 530 | case OperatorNode::LabelAddress: |
---|
| 531 | return new UntypedExpr( new NameExpr( opFuncName[ op->get_type() ] ), args ); |
---|
| 532 | case OperatorNode::AddressOf: |
---|
| 533 | assert( args.size() == 1 ); |
---|
| 534 | assert( args.front() ); |
---|
| 535 | |
---|
| 536 | return new AddressExpr( args.front() ); |
---|
| 537 | case OperatorNode::Cast: |
---|
| 538 | { |
---|
| 539 | TypeValueNode * arg = dynamic_cast<TypeValueNode *>( get_args()); |
---|
| 540 | assert( arg ); |
---|
[b87a5ed] | 541 | |
---|
[cd623a4] | 542 | DeclarationNode *decl_node = arg->get_decl(); |
---|
| 543 | ExpressionNode *expr_node = dynamic_cast<ExpressionNode *>( arg->get_link()); |
---|
[b87a5ed] | 544 | |
---|
[cd623a4] | 545 | Type *targetType = decl_node->buildType(); |
---|
| 546 | if ( dynamic_cast< VoidType* >( targetType ) ) { |
---|
| 547 | delete targetType; |
---|
| 548 | return new CastExpr( expr_node->build(), maybeBuild< Expression >( get_argName() ) ); |
---|
| 549 | } else { |
---|
| 550 | return new CastExpr( expr_node->build(),targetType, maybeBuild< Expression >( get_argName() ) ); |
---|
| 551 | } // if |
---|
| 552 | } |
---|
| 553 | case OperatorNode::FieldSel: |
---|
| 554 | { |
---|
| 555 | assert( args.size() == 2 ); |
---|
| 556 | |
---|
| 557 | NameExpr *member = dynamic_cast<NameExpr *>( args.back()); |
---|
| 558 | // TupleExpr *memberTup = dynamic_cast<TupleExpr *>( args.back()); |
---|
[b87a5ed] | 559 | |
---|
[cd623a4] | 560 | if ( member != 0 ) { |
---|
| 561 | UntypedMemberExpr *ret = new UntypedMemberExpr( member->get_name(), args.front()); |
---|
[b87a5ed] | 562 | delete member; |
---|
| 563 | return ret; |
---|
[cd623a4] | 564 | /* else if ( memberTup != 0 ) |
---|
| 565 | { |
---|
| 566 | UntypedMemberExpr *ret = new UntypedMemberExpr( memberTup->get_name(), args.front()); |
---|
| 567 | delete member; |
---|
| 568 | return ret; |
---|
| 569 | } */ |
---|
| 570 | } else |
---|
| 571 | assert( false ); |
---|
| 572 | } |
---|
| 573 | case OperatorNode::PFieldSel: |
---|
| 574 | { |
---|
| 575 | assert( args.size() == 2 ); |
---|
| 576 | |
---|
| 577 | NameExpr *member = dynamic_cast<NameExpr *>( args.back()); // modify for Tuples xxx |
---|
| 578 | assert( member != 0 ); |
---|
| 579 | |
---|
| 580 | UntypedExpr *deref = new UntypedExpr( new NameExpr( "*?" ) ); |
---|
| 581 | deref->get_args().push_back( args.front() ); |
---|
| 582 | |
---|
| 583 | UntypedMemberExpr *ret = new UntypedMemberExpr( member->get_name(), deref ); |
---|
| 584 | delete member; |
---|
| 585 | return ret; |
---|
| 586 | } |
---|
| 587 | case OperatorNode::AlignOf: |
---|
| 588 | case OperatorNode::SizeOf: |
---|
| 589 | { |
---|
[bdd516a] | 590 | /// bool isSizeOf = ( op->get_type() == OperatorNode::SizeOf ); |
---|
[51b7345] | 591 | |
---|
[cd623a4] | 592 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( get_args()) ) { |
---|
| 593 | return new SizeofExpr( arg->get_decl()->buildType()); |
---|
| 594 | } else { |
---|
| 595 | return new SizeofExpr( args.front()); |
---|
| 596 | } // if |
---|
| 597 | } |
---|
| 598 | case OperatorNode::Attr: |
---|
| 599 | { |
---|
| 600 | VarRefNode *var = dynamic_cast<VarRefNode *>( get_args()); |
---|
| 601 | assert( var ); |
---|
| 602 | if ( ! get_args()->get_link() ) { |
---|
| 603 | return new AttrExpr( var->build(), ( Expression*)0); |
---|
| 604 | } else if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( get_args()->get_link()) ) { |
---|
| 605 | return new AttrExpr( var->build(), arg->get_decl()->buildType()); |
---|
| 606 | } else { |
---|
| 607 | return new AttrExpr( var->build(), args.back()); |
---|
| 608 | } // if |
---|
| 609 | } |
---|
| 610 | case OperatorNode::CompLit: |
---|
| 611 | throw UnimplementedError( "C99 compound literals" ); |
---|
| 612 | // the short-circuited operators |
---|
| 613 | case OperatorNode::Or: |
---|
| 614 | case OperatorNode::And: |
---|
| 615 | assert( args.size() == 2); |
---|
| 616 | return new LogicalExpr( notZeroExpr( args.front() ), notZeroExpr( args.back() ), ( op->get_type() == OperatorNode::And ) ); |
---|
| 617 | case OperatorNode::Cond: |
---|
| 618 | { |
---|
| 619 | assert( args.size() == 3); |
---|
[7f5566b] | 620 | std::list< Expression * >::const_iterator i = args.begin(); |
---|
[cd623a4] | 621 | Expression *arg1 = notZeroExpr( *i++ ); |
---|
| 622 | Expression *arg2 = *i++; |
---|
| 623 | Expression *arg3 = *i++; |
---|
| 624 | return new ConditionalExpr( arg1, arg2, arg3 ); |
---|
| 625 | } |
---|
| 626 | case OperatorNode::NCond: |
---|
| 627 | throw UnimplementedError( "GNU 2-argument conditional expression" ); |
---|
| 628 | case OperatorNode::Comma: |
---|
| 629 | { |
---|
[b87a5ed] | 630 | assert( args.size() == 2); |
---|
[7f5566b] | 631 | std::list< Expression * >::const_iterator i = args.begin(); |
---|
[cd623a4] | 632 | Expression *ret = *i++; |
---|
| 633 | while ( i != args.end() ) { |
---|
| 634 | ret = new CommaExpr( ret, *i++ ); |
---|
[b87a5ed] | 635 | } |
---|
[cd623a4] | 636 | return ret; |
---|
[3848e0e] | 637 | } |
---|
[cd623a4] | 638 | // Tuples |
---|
| 639 | case OperatorNode::TupleC: |
---|
| 640 | { |
---|
| 641 | TupleExpr *ret = new TupleExpr(); |
---|
| 642 | std::copy( args.begin(), args.end(), back_inserter( ret->get_exprs() ) ); |
---|
| 643 | return ret; |
---|
| 644 | } |
---|
| 645 | default: |
---|
| 646 | // shouldn't happen |
---|
| 647 | return 0; |
---|
| 648 | } // switch |
---|
[51b7345] | 649 | } |
---|
| 650 | |
---|
[bdd516a] | 651 | void CompositeExprNode::printOneLine( std::ostream &os, int indent ) const { |
---|
[b87a5ed] | 652 | printDesignation( os ); |
---|
| 653 | os << "( "; |
---|
| 654 | function->printOneLine( os, indent ); |
---|
| 655 | for ( ExpressionNode *cur = arguments; cur != 0; cur = dynamic_cast< ExpressionNode* >( cur->get_link() ) ) { |
---|
| 656 | cur->printOneLine( os, indent ); |
---|
| 657 | } |
---|
| 658 | os << ") "; |
---|
[51b7345] | 659 | } |
---|
| 660 | |
---|
[bdd516a] | 661 | void CompositeExprNode::print( std::ostream &os, int indent ) const { |
---|
[b87a5ed] | 662 | printDesignation( os ); |
---|
[44b5ca0] | 663 | os << string( indent, ' ' ) << "Application of: " << endl; |
---|
[b87a5ed] | 664 | function->print( os, indent + ParseNode::indent_by ); |
---|
[51b7345] | 665 | |
---|
[44b5ca0] | 666 | os << string( indent, ' ' ) ; |
---|
[b87a5ed] | 667 | if ( arguments ) { |
---|
| 668 | os << "... on arguments: " << endl; |
---|
| 669 | arguments->printList( os, indent + ParseNode::indent_by ); |
---|
| 670 | } else |
---|
| 671 | os << "... on no arguments: " << endl; |
---|
[51b7345] | 672 | } |
---|
| 673 | |
---|
[a08ba92] | 674 | void CompositeExprNode::set_function( ExpressionNode *f ) { |
---|
[b87a5ed] | 675 | function = f; |
---|
[51b7345] | 676 | } |
---|
| 677 | |
---|
[a08ba92] | 678 | void CompositeExprNode::set_args( ExpressionNode *args ) { |
---|
[b87a5ed] | 679 | arguments = args; |
---|
[51b7345] | 680 | } |
---|
| 681 | |
---|
[bdd516a] | 682 | ExpressionNode *CompositeExprNode::get_function( void ) const { |
---|
[b87a5ed] | 683 | return function; |
---|
[51b7345] | 684 | } |
---|
| 685 | |
---|
[bdd516a] | 686 | ExpressionNode *CompositeExprNode::get_args( void ) const { |
---|
[b87a5ed] | 687 | return arguments; |
---|
[51b7345] | 688 | } |
---|
| 689 | |
---|
[a08ba92] | 690 | void CompositeExprNode::add_arg( ExpressionNode *arg ) { |
---|
[b87a5ed] | 691 | if ( arguments ) |
---|
| 692 | arguments->set_link( arg ); |
---|
| 693 | else |
---|
| 694 | set_args( arg ); |
---|
[51b7345] | 695 | } |
---|
| 696 | |
---|
[cd623a4] | 697 | //############################################################################## |
---|
| 698 | |
---|
[7f5566b] | 699 | Expression *AsmExprNode::build() const { |
---|
| 700 | return new AsmExpr( maybeBuild< Expression >( inout ), (ConstantExpr *)constraint->build(), operand->build() ); |
---|
| 701 | } |
---|
| 702 | |
---|
| 703 | void AsmExprNode::print( std::ostream &os, int indent ) const { |
---|
| 704 | os << string( indent, ' ' ) << "Assembler Expression:" << endl; |
---|
| 705 | if ( inout ) { |
---|
| 706 | os << string( indent, ' ' ) << "inout: " << std::endl; |
---|
| 707 | inout->print( os, indent + 2 ); |
---|
| 708 | } // if |
---|
| 709 | if ( constraint ) { |
---|
| 710 | os << string( indent, ' ' ) << "constraint: " << std::endl; |
---|
| 711 | constraint->print( os, indent + 2 ); |
---|
| 712 | } // if |
---|
| 713 | if ( operand ) { |
---|
| 714 | os << string( indent, ' ' ) << "operand: " << std::endl; |
---|
| 715 | operand->print( os, indent + 2 ); |
---|
| 716 | } // if |
---|
| 717 | } |
---|
| 718 | |
---|
| 719 | void AsmExprNode::printOneLine( std::ostream &os, int indent ) const { |
---|
| 720 | printDesignation( os ); |
---|
| 721 | os << "( "; |
---|
| 722 | if ( inout ) inout->printOneLine( os, indent + 2 ); |
---|
| 723 | os << ", "; |
---|
| 724 | if ( constraint ) constraint->printOneLine( os, indent + 2 ); |
---|
| 725 | os << ", "; |
---|
| 726 | if ( operand ) operand->printOneLine( os, indent + 2 ); |
---|
| 727 | os << ") "; |
---|
| 728 | } |
---|
| 729 | |
---|
| 730 | //############################################################################## |
---|
| 731 | |
---|
| 732 | void LabelNode::print( std::ostream &os, int indent ) const {} |
---|
| 733 | |
---|
| 734 | void LabelNode::printOneLine( std::ostream &os, int indent ) const {} |
---|
| 735 | |
---|
| 736 | //############################################################################## |
---|
| 737 | |
---|
[bdd516a] | 738 | CommaExprNode::CommaExprNode(): CompositeExprNode( new OperatorNode( OperatorNode::Comma )) {} |
---|
[51b7345] | 739 | |
---|
[bdd516a] | 740 | CommaExprNode::CommaExprNode( ExpressionNode *exp ) : CompositeExprNode( new OperatorNode( OperatorNode::Comma ), exp ) { |
---|
[3848e0e] | 741 | } |
---|
[51b7345] | 742 | |
---|
[bdd516a] | 743 | CommaExprNode::CommaExprNode( ExpressionNode *exp1, ExpressionNode *exp2) : CompositeExprNode( new OperatorNode( OperatorNode::Comma ), exp1, exp2) { |
---|
[51b7345] | 744 | } |
---|
| 745 | |
---|
[a08ba92] | 746 | CommaExprNode *CommaExprNode::add_to_list( ExpressionNode *exp ) { |
---|
[b87a5ed] | 747 | add_arg( exp ); |
---|
[51b7345] | 748 | |
---|
[b87a5ed] | 749 | return this; |
---|
[51b7345] | 750 | } |
---|
| 751 | |
---|
[3848e0e] | 752 | CommaExprNode::CommaExprNode( const CommaExprNode &other ) : CompositeExprNode( other ) { |
---|
[51b7345] | 753 | } |
---|
| 754 | |
---|
[cd623a4] | 755 | //############################################################################## |
---|
| 756 | |
---|
[bdd516a] | 757 | ValofExprNode::ValofExprNode( StatementNode *s ): body( s ) {} |
---|
[51b7345] | 758 | |
---|
[3848e0e] | 759 | ValofExprNode::ValofExprNode( const ValofExprNode &other ) : ExpressionNode( other ), body( maybeClone( body ) ) { |
---|
[51b7345] | 760 | } |
---|
| 761 | |
---|
| 762 | ValofExprNode::~ValofExprNode() { |
---|
[b87a5ed] | 763 | delete body; |
---|
[51b7345] | 764 | } |
---|
| 765 | |
---|
| 766 | void ValofExprNode::print( std::ostream &os, int indent ) const { |
---|
[b87a5ed] | 767 | printDesignation( os ); |
---|
[59db689] | 768 | os << string( indent, ' ' ) << "Valof Expression:" << std::endl; |
---|
[b87a5ed] | 769 | get_body()->print( os, indent + 4); |
---|
[51b7345] | 770 | } |
---|
| 771 | |
---|
[3848e0e] | 772 | void ValofExprNode::printOneLine( std::ostream &, int indent ) const { |
---|
[b87a5ed] | 773 | assert( false ); |
---|
[51b7345] | 774 | } |
---|
| 775 | |
---|
| 776 | Expression *ValofExprNode::build() const { |
---|
[b87a5ed] | 777 | return new UntypedValofExpr ( get_body()->build(), maybeBuild< Expression >( get_argName() ) ); |
---|
[3848e0e] | 778 | } |
---|
| 779 | |
---|
[cd623a4] | 780 | //############################################################################## |
---|
| 781 | |
---|
[bdd516a] | 782 | ForCtlExprNode::ForCtlExprNode( ParseNode *init_, ExpressionNode *cond, ExpressionNode *incr ) throw ( SemanticError ) : condition( cond ), change( incr ) { |
---|
[b87a5ed] | 783 | if ( init_ == 0 ) |
---|
| 784 | init = 0; |
---|
| 785 | else { |
---|
| 786 | DeclarationNode *decl; |
---|
| 787 | ExpressionNode *exp; |
---|
| 788 | |
---|
[a61fea9a] | 789 | if (( decl = dynamic_cast<DeclarationNode *>(init_) ) != 0) |
---|
[b87a5ed] | 790 | init = new StatementNode( decl ); |
---|
| 791 | else if (( exp = dynamic_cast<ExpressionNode *>( init_)) != 0) |
---|
| 792 | init = new StatementNode( StatementNode::Exp, exp ); |
---|
| 793 | else |
---|
| 794 | throw SemanticError("Error in for control expression"); |
---|
| 795 | } |
---|
[51b7345] | 796 | } |
---|
| 797 | |
---|
| 798 | ForCtlExprNode::ForCtlExprNode( const ForCtlExprNode &other ) |
---|
[b87a5ed] | 799 | : ExpressionNode( other ), init( maybeClone( other.init ) ), condition( maybeClone( other.condition ) ), change( maybeClone( other.change ) ) { |
---|
[51b7345] | 800 | } |
---|
| 801 | |
---|
[a08ba92] | 802 | ForCtlExprNode::~ForCtlExprNode() { |
---|
[b87a5ed] | 803 | delete init; |
---|
| 804 | delete condition; |
---|
| 805 | delete change; |
---|
[51b7345] | 806 | } |
---|
| 807 | |
---|
| 808 | Expression *ForCtlExprNode::build() const { |
---|
[b87a5ed] | 809 | // this shouldn't be used! |
---|
| 810 | assert( false ); |
---|
| 811 | return 0; |
---|
[51b7345] | 812 | } |
---|
| 813 | |
---|
| 814 | void ForCtlExprNode::print( std::ostream &os, int indent ) const{ |
---|
[59db689] | 815 | os << string( indent,' ' ) << "For Control Expression -- :" << endl; |
---|
[a61fea9a] | 816 | |
---|
[59db689] | 817 | os << string( indent + 2, ' ' ) << "initialization:" << endl; |
---|
[a61fea9a] | 818 | if ( init != 0 ) |
---|
| 819 | init->printList( os, indent + 4 ); |
---|
| 820 | |
---|
| 821 | os << string( indent + 2, ' ' ) << "condition: " << endl; |
---|
| 822 | if ( condition != 0 ) |
---|
| 823 | condition->print( os, indent + 4 ); |
---|
[59db689] | 824 | os << string( indent + 2, ' ' ) << "increment: " << endl; |
---|
[a61fea9a] | 825 | if ( change != 0 ) |
---|
| 826 | change->print( os, indent + 4 ); |
---|
[51b7345] | 827 | } |
---|
| 828 | |
---|
[3848e0e] | 829 | void ForCtlExprNode::printOneLine( std::ostream &, int indent ) const { |
---|
[b87a5ed] | 830 | assert( false ); |
---|
[51b7345] | 831 | } |
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| 832 | |
---|
[cd623a4] | 833 | //############################################################################## |
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| 834 | |
---|
| 835 | TypeValueNode::TypeValueNode( DeclarationNode *decl ) : decl( decl ) { |
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[51b7345] | 836 | } |
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| 837 | |
---|
[cd623a4] | 838 | TypeValueNode::TypeValueNode( const TypeValueNode &other ) : ExpressionNode( other ), decl( maybeClone( other.decl ) ) { |
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[51b7345] | 839 | } |
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| 840 | |
---|
[3848e0e] | 841 | Expression *TypeValueNode::build() const { |
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[b87a5ed] | 842 | return new TypeExpr( decl->buildType() ); |
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[51b7345] | 843 | } |
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| 844 | |
---|
[bdd516a] | 845 | void TypeValueNode::print( std::ostream &os, int indent ) const { |
---|
[b87a5ed] | 846 | os << std::string( indent, ' ' ) << "Type:"; |
---|
| 847 | get_decl()->print( os, indent + 2); |
---|
[51b7345] | 848 | } |
---|
| 849 | |
---|
[bdd516a] | 850 | void TypeValueNode::printOneLine( std::ostream &os, int indent ) const { |
---|
[b87a5ed] | 851 | os << "Type:"; |
---|
| 852 | get_decl()->print( os, indent + 2); |
---|
[51b7345] | 853 | } |
---|
| 854 | |
---|
[3848e0e] | 855 | ExpressionNode *flattenCommas( ExpressionNode *list ) { |
---|
[cd623a4] | 856 | if ( CompositeExprNode *composite = dynamic_cast< CompositeExprNode * >( list ) ) { |
---|
| 857 | OperatorNode *op; |
---|
| 858 | if ( ( op = dynamic_cast< OperatorNode * >( composite->get_function() )) && ( op->get_type() == OperatorNode::Comma ) ) { |
---|
| 859 | if ( ExpressionNode *next = dynamic_cast< ExpressionNode * >( list->get_link() ) ) |
---|
| 860 | composite->add_arg( next ); |
---|
| 861 | return flattenCommas( composite->get_args() ); |
---|
| 862 | } // if |
---|
| 863 | } // if |
---|
[51b7345] | 864 | |
---|
[b87a5ed] | 865 | if ( ExpressionNode *next = dynamic_cast< ExpressionNode * >( list->get_link() ) ) |
---|
| 866 | list->set_next( flattenCommas( next ) ); |
---|
[51b7345] | 867 | |
---|
[b87a5ed] | 868 | return list; |
---|
[51b7345] | 869 | } |
---|
| 870 | |
---|
[3848e0e] | 871 | ExpressionNode *tupleContents( ExpressionNode *tuple ) { |
---|
[b87a5ed] | 872 | if ( CompositeExprNode *composite = dynamic_cast< CompositeExprNode * >( tuple ) ) { |
---|
| 873 | OperatorNode *op = 0; |
---|
| 874 | if ( ( op = dynamic_cast< OperatorNode * >( composite->get_function() )) && ( op->get_type() == OperatorNode::TupleC ) ) |
---|
| 875 | return composite->get_args(); |
---|
[cd623a4] | 876 | } // if |
---|
[b87a5ed] | 877 | return tuple; |
---|
[51b7345] | 878 | } |
---|
[b87a5ed] | 879 | |
---|
| 880 | // Local Variables: // |
---|
| 881 | // tab-width: 4 // |
---|
| 882 | // mode: c++ // |
---|
| 883 | // compile-command: "make install" // |
---|
| 884 | // End: // |
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