| 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 : Peter A. Buhr |
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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 : Thu Mar 22 11:57:39 2018 |
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| 13 | // Update Count : 801 |
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| 14 | // |
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| 15 | |
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| 16 | #include <cassert> // for assert |
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| 17 | #include <stdio.h> // for sscanf, size_t |
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| 18 | #include <climits> // for LLONG_MAX, LONG_MAX, INT_MAX, UINT... |
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| 19 | #include <list> // for list |
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| 20 | #include <sstream> // for basic_istream::operator>>, basic_i... |
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| 21 | #include <string> // for string, operator+, operator== |
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| 22 | |
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| 23 | #include "Common/SemanticError.h" // for SemanticError |
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| 24 | #include "Common/utility.h" // for maybeMoveBuild, maybeBuild, CodeLo... |
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| 25 | #include "ParseNode.h" // for ExpressionNode, maybeMoveBuildType |
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| 26 | #include "SynTree/Constant.h" // for Constant |
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| 27 | #include "SynTree/Declaration.h" // for EnumDecl, StructDecl, UnionDecl |
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| 28 | #include "SynTree/Expression.h" // for Expression, ConstantExpr, NameExpr |
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| 29 | #include "SynTree/Statement.h" // for CompoundStmt, Statement |
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| 30 | #include "SynTree/Type.h" // for BasicType, Type, Type::Qualifiers |
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| 31 | #include "parserutility.h" // for notZeroExpr |
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| 32 | |
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| 33 | class Initializer; |
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| 34 | |
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| 35 | using namespace std; |
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| 36 | |
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| 37 | //############################################################################## |
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| 38 | |
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| 39 | // Difficult to separate extra parts of constants during lexing because actions are not allow in the middle of patterns: |
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| 40 | // |
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| 41 | // prefix action constant action suffix |
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| 42 | // |
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| 43 | // Alternatively, breaking a pattern using BEGIN does not work if the following pattern can be empty: |
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| 44 | // |
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| 45 | // constant BEGIN CONT ... |
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| 46 | // <CONT>(...)? BEGIN 0 ... // possible empty suffix |
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| 47 | // |
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| 48 | // because the CONT rule is NOT triggered if the pattern is empty. Hence, constants are reparsed here to determine their |
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| 49 | // type. |
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| 50 | |
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| 51 | extern const Type::Qualifiers noQualifiers; // no qualifiers on constants |
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| 52 | |
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| 53 | static inline bool checkH( char c ) { return c == 'h' || c == 'H'; } |
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| 54 | static inline bool checkL( char c ) { return c == 'l' || c == 'L'; } |
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| 55 | static inline bool checkZ( char c ) { return c == 'z' || c == 'Z'; } |
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| 56 | static inline bool checkU( char c ) { return c == 'u' || c == 'U'; } |
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| 57 | static inline bool checkF( char c ) { return c == 'f' || c == 'F'; } |
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| 58 | static inline bool checkD( char c ) { return c == 'd' || c == 'D'; } |
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| 59 | static inline bool checkI( char c ) { return c == 'i' || c == 'I'; } |
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| 60 | static inline bool checkB( char c ) { return c == 'b' || c == 'B'; } |
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| 61 | static inline bool checkX( char c ) { return c == 'x' || c == 'X'; } |
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| 62 | |
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| 63 | static const char * lnthsInt[2][6] = { |
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| 64 | { "int8_t", "int16_t", "int32_t", "int64_t", "size_t", }, |
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| 65 | { "uint8_t", "uint16_t", "uint32_t", "uint64_t", "size_t", } |
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| 66 | }; // lnthsInt |
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| 67 | |
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| 68 | static inline void checkLNInt( string & str, int & lnth, int & size ) { |
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| 69 | string::size_type posn = str.find_first_of( "lL" ), start = posn; |
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| 70 | if ( posn == string::npos ) return; |
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| 71 | size = 4; // assume largest size |
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| 72 | posn += 1; // advance to size |
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| 73 | if ( str[posn] == '8' ) { // 8 |
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| 74 | lnth = 0; |
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| 75 | } else if ( str[posn] == '1' ) { |
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| 76 | posn += 1; |
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| 77 | if ( str[posn] == '6' ) { // 16 |
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| 78 | lnth = 1; |
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| 79 | } else { // 128 |
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| 80 | posn += 1; |
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| 81 | lnth = 5; |
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| 82 | } // if |
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| 83 | } else { |
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| 84 | if ( str[posn] == '3' ) { // 32 |
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| 85 | lnth = 2; |
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| 86 | } else if ( str[posn] == '6' ) { // 64 |
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| 87 | lnth = 3; |
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| 88 | } else { |
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| 89 | assertf( false, "internal error, bad integral length %s", str.c_str() ); |
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| 90 | } // if |
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| 91 | posn += 1; |
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| 92 | } // if |
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| 93 | str.erase( start, posn - start + 1 ); // remove length suffix |
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| 94 | } // checkLNInt |
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| 95 | |
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| 96 | Expression * build_constantInteger( string & str ) { |
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| 97 | static const BasicType::Kind kind[2][6] = { |
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| 98 | // short (h) must be before char (hh) |
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| 99 | { BasicType::ShortSignedInt, BasicType::SignedChar, BasicType::SignedInt, BasicType::LongSignedInt, BasicType::LongLongSignedInt, BasicType::SignedInt128, }, |
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| 100 | { BasicType::ShortUnsignedInt, BasicType::UnsignedChar, BasicType::UnsignedInt, BasicType::LongUnsignedInt, BasicType::LongLongUnsignedInt, BasicType::UnsignedInt128, }, |
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| 101 | }; |
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| 102 | |
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| 103 | bool dec = true, Unsigned = false; // decimal, unsigned constant |
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| 104 | int size; // 0 => short, 1 => char, 2 => int, 3 => long int, 4 => long long int, 5 => int128 |
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| 105 | int lnth = -1; // literal length |
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| 106 | |
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| 107 | unsigned long long int v; // converted integral value |
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| 108 | size_t last = str.length() - 1; // last subscript of constant |
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| 109 | Expression * ret; |
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| 110 | |
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| 111 | // special constants |
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| 112 | if ( str == "0" ) { |
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| 113 | ret = new ConstantExpr( Constant( (Type *)new ZeroType( noQualifiers ), str, (unsigned long long int)0 ) ); |
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| 114 | goto CLEANUP; |
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| 115 | } // if |
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| 116 | if ( str == "1" ) { |
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| 117 | ret = new ConstantExpr( Constant( (Type *)new OneType( noQualifiers ), str, (unsigned long long int)1 ) ); |
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| 118 | goto CLEANUP; |
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| 119 | } // if |
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| 120 | |
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| 121 | // Cannot be "0" |
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| 122 | |
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| 123 | if ( str[0] == '0' ) { // radix character ? |
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| 124 | dec = false; |
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| 125 | if ( checkX( str[1] ) ) { // hex constant ? |
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| 126 | sscanf( (char *)str.c_str(), "%llx", &v ); |
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| 127 | //printf( "%llx %llu\n", v, v ); |
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| 128 | } else if ( checkB( str[1] ) ) { // binary constant ? |
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| 129 | v = 0; |
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| 130 | for ( unsigned int i = 2;; i += 1 ) { // compute value |
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| 131 | if ( str[i] == '1' ) v |= 1; |
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| 132 | if ( i == last ) break; |
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| 133 | v <<= 1; |
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| 134 | } // for |
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| 135 | //printf( "%llx %llu\n", v, v ); |
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| 136 | } else { // octal constant |
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| 137 | sscanf( (char *)str.c_str(), "%llo", &v ); |
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| 138 | //printf( "%llo %llu\n", v, v ); |
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| 139 | } // if |
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| 140 | } else { // decimal constant ? |
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| 141 | sscanf( (char *)str.c_str(), "%llu", &v ); |
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| 142 | //printf( "%llu %llu\n", v, v ); |
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| 143 | } // if |
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| 144 | |
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| 145 | if ( v <= INT_MAX ) { // signed int |
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| 146 | size = 2; |
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| 147 | } else if ( v <= UINT_MAX && ! dec ) { // unsigned int |
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| 148 | size = 2; |
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| 149 | Unsigned = true; // unsigned |
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| 150 | } else if ( v <= LONG_MAX ) { // signed long int |
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| 151 | size = 3; |
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| 152 | } else if ( v <= ULONG_MAX && ( ! dec || LONG_MAX == LLONG_MAX ) ) { // signed long int |
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| 153 | size = 3; |
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| 154 | Unsigned = true; // unsigned long int |
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| 155 | } else if ( v <= LLONG_MAX ) { // signed long long int |
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| 156 | size = 4; |
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| 157 | } else { // unsigned long long int |
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| 158 | size = 4; |
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| 159 | Unsigned = true; // unsigned long long int |
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| 160 | } // if |
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| 161 | |
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| 162 | // At least one digit in integer constant, so safe to backup while looking for suffix. |
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| 163 | |
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| 164 | if ( checkU( str[last] ) ) { // suffix 'u' ? |
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| 165 | Unsigned = true; |
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| 166 | if ( checkL( str[last - 1] ) ) { // suffix 'l' ? |
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| 167 | size = 3; |
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| 168 | if ( checkL( str[last - 2] ) ) { // suffix "ll" ? |
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| 169 | size = 4; |
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| 170 | } // if |
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| 171 | } else if ( checkH( str[last - 1] ) ) { // suffix 'h' ? |
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| 172 | size = 0; |
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| 173 | if ( checkH( str[last - 2] ) ) { // suffix "hh" ? |
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| 174 | size = 1; |
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| 175 | } // if |
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| 176 | str.erase( last - size - 1, size + 1 ); // remove 'h'/"hh" |
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| 177 | } else { // suffix "ln" ? |
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| 178 | checkLNInt( str, lnth, size ); |
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| 179 | } // if |
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| 180 | } else if ( checkL( str[ last ] ) ) { // suffix 'l' ? |
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| 181 | size = 3; |
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| 182 | if ( checkL( str[last - 1] ) ) { // suffix 'll' ? |
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| 183 | size = 4; |
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| 184 | if ( checkU( str[last - 2] ) ) { // suffix 'u' ? |
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| 185 | Unsigned = true; |
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| 186 | } // if |
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| 187 | } else if ( checkU( str[last - 1] ) ) { // suffix 'u' ? |
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| 188 | Unsigned = true; |
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| 189 | } // if |
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| 190 | } else if ( checkH( str[ last ] ) ) { // suffix 'h' ? |
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| 191 | size = 0; |
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| 192 | if ( checkH( str[last - 1] ) ) { // suffix "hh" ? |
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| 193 | size = 1; |
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| 194 | if ( checkU( str[last - 2] ) ) { // suffix 'u' ? |
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| 195 | Unsigned = true; |
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| 196 | } // if |
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| 197 | } else if ( checkU( str[last - 1] ) ) { // suffix 'u' ? |
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| 198 | Unsigned = true; |
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| 199 | } // if |
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| 200 | str.erase( last - size, size + 1 ); // remove 'h'/"hh" |
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| 201 | } else if ( checkZ( str[last] ) ) { // suffix 'z' ? |
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| 202 | lnth = 4; |
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| 203 | str.erase( last, 1 ); // remove 'z' |
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| 204 | } else { // suffix "ln" ? |
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| 205 | checkLNInt( str, lnth, size ); |
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| 206 | } // if |
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| 207 | |
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| 208 | assert( 0 <= size && size < 6 ); |
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| 209 | // Constant type is correct for overload resolving. |
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| 210 | ret = new ConstantExpr( Constant( new BasicType( noQualifiers, kind[Unsigned][size] ), str, v ) ); |
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| 211 | if ( Unsigned && size < 2 ) { // hh or h, less than int ? |
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| 212 | // int i = -1uh => 65535 not -1, so cast is necessary for unsigned, which unfortunately eliminates warnings for large values. |
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| 213 | ret = new CastExpr( ret, new BasicType( Type::Qualifiers(), kind[Unsigned][size] ), false ); |
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| 214 | } else if ( lnth != -1 ) { // explicit length ? |
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| 215 | if ( lnth == 5 ) { // int128 ? |
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| 216 | size = 5; |
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| 217 | ret = new CastExpr( ret, new BasicType( Type::Qualifiers(), kind[Unsigned][size] ), false ); |
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| 218 | } else { |
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| 219 | ret = new CastExpr( ret, new TypeInstType( Type::Qualifiers(), lnthsInt[Unsigned][lnth], false ), false ); |
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| 220 | } // if |
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| 221 | } // if |
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| 222 | CLEANUP: |
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| 223 | |
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| 224 | delete &str; // created by lex |
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| 225 | return ret; |
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| 226 | } // build_constantInteger |
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| 227 | |
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| 228 | |
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| 229 | static inline void checkLNFloat( string & str, int & lnth, int & size ) { |
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| 230 | string::size_type posn = str.find_first_of( "lL" ), start = posn; |
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| 231 | if ( posn == string::npos ) return; |
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| 232 | size = 2; // assume largest size |
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| 233 | lnth = 0; |
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| 234 | posn += 1; // advance to size |
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| 235 | if ( str[posn] == '3' ) { // 32 |
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| 236 | size = 0; |
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| 237 | } else if ( str[posn] == '6' ) { // 64 |
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| 238 | size = 1; |
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| 239 | } else if ( str[posn] == '8' || str[posn] == '1' ) { // 80, 128 |
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| 240 | size = 2; |
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| 241 | if ( str[posn] == '1' ) posn += 1; |
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| 242 | } else { |
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| 243 | assertf( false, "internal error, bad floating point length %s", str.c_str() ); |
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| 244 | } // if |
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| 245 | posn += 1; |
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| 246 | str.erase( start, posn - start + 1 ); // remove length suffix |
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| 247 | } // checkLNFloat |
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| 248 | |
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| 249 | |
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| 250 | Expression * build_constantFloat( string & str ) { |
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| 251 | static const BasicType::Kind kind[2][3] = { |
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| 252 | { BasicType::Float, BasicType::Double, BasicType::LongDouble }, |
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| 253 | { BasicType::FloatComplex, BasicType::DoubleComplex, BasicType::LongDoubleComplex }, |
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| 254 | }; |
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| 255 | |
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| 256 | bool complx = false; // real, complex |
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| 257 | int size = 1; // 0 => float, 1 => double, 2 => long double |
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| 258 | int lnth = -1; // literal length |
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| 259 | // floating-point constant has minimum of 2 characters: 1. or .1 |
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| 260 | size_t last = str.length() - 1; |
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| 261 | double v; |
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| 262 | |
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| 263 | sscanf( str.c_str(), "%lg", &v ); |
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| 264 | |
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| 265 | if ( checkI( str[last] ) ) { // imaginary ? |
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| 266 | complx = true; |
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| 267 | last -= 1; // backup one character |
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| 268 | } // if |
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| 269 | |
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| 270 | if ( checkF( str[last] ) ) { // float ? |
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| 271 | size = 0; |
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| 272 | } else if ( checkD( str[last] ) ) { // double ? |
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| 273 | size = 1; |
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| 274 | } else if ( checkL( str[last] ) ) { // long double ? |
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| 275 | size = 2; |
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| 276 | } else { |
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| 277 | size = 1; // double (default) |
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| 278 | checkLNFloat( str, lnth, size ); |
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| 279 | } // if |
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| 280 | if ( ! complx && checkI( str[last - 1] ) ) { // imaginary ? |
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| 281 | complx = true; |
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| 282 | } // if |
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| 283 | |
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| 284 | assert( 0 <= size && size < 3 ); |
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| 285 | Expression * ret = new ConstantExpr( Constant( new BasicType( noQualifiers, kind[complx][size] ), str, v ) ); |
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| 286 | if ( lnth != -1 ) { // explicit length ? |
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| 287 | ret = new CastExpr( ret, new BasicType( Type::Qualifiers(), kind[complx][size] ), false ); |
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| 288 | } // if |
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| 289 | |
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| 290 | delete &str; // created by lex |
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| 291 | return ret; |
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| 292 | } // build_constantFloat |
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| 293 | |
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| 294 | static void sepString( string & str, string & units, char delimit ) { |
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| 295 | string::size_type posn = str.find_last_of( delimit ) + 1; |
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| 296 | if ( posn != str.length() ) { |
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| 297 | units = "?" + str.substr( posn ); // extract units |
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| 298 | str.erase( posn ); // remove units |
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| 299 | } // if |
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| 300 | } // sepString |
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| 301 | |
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| 302 | Expression * build_constantChar( string & str ) { |
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| 303 | string units; // units |
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| 304 | sepString( str, units, '\'' ); // separate constant from units |
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| 305 | |
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| 306 | Expression * ret = new ConstantExpr( Constant( new BasicType( noQualifiers, BasicType::Char ), str, (unsigned long long int)(unsigned char)str[1] ) ); |
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| 307 | if ( units.length() != 0 ) { |
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| 308 | ret = new UntypedExpr( new NameExpr( units ), { ret } ); |
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| 309 | } // if |
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| 310 | |
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| 311 | delete &str; // created by lex |
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| 312 | return ret; |
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| 313 | } // build_constantChar |
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| 314 | |
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| 315 | Expression * build_constantStr( string & str ) { |
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| 316 | string units; // units |
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| 317 | sepString( str, units, '"' ); // separate constant from units |
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| 318 | |
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| 319 | Type * strtype; |
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| 320 | switch ( str[0] ) { // str has >= 2 characters, i.e, null string "" => safe to look at subscripts 0/1 |
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| 321 | case 'u': |
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| 322 | if ( str[1] == '8' ) goto Default; // utf-8 characters => array of char |
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| 323 | // lookup type of associated typedef |
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| 324 | strtype = new TypeInstType( Type::Qualifiers( Type::Const ), "char16_t", false ); |
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| 325 | break; |
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| 326 | case 'U': |
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| 327 | strtype = new TypeInstType( Type::Qualifiers( Type::Const ), "char32_t", false ); |
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| 328 | break; |
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| 329 | case 'L': |
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| 330 | strtype = new TypeInstType( Type::Qualifiers( Type::Const ), "wchar_t", false ); |
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| 331 | break; |
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| 332 | Default: // char default string type |
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| 333 | default: |
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| 334 | strtype = new BasicType( Type::Qualifiers( Type::Const ), BasicType::Char ); |
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| 335 | } // switch |
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| 336 | ArrayType * at = new ArrayType( noQualifiers, strtype, |
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| 337 | new ConstantExpr( Constant::from_ulong( str.size() + 1 - 2 ) ), // +1 for '\0' and -2 for '"' |
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| 338 | false, false ); |
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| 339 | Expression * ret = new ConstantExpr( Constant( at, str, (unsigned long long int)0 ) ); // constant 0 is ignored for pure string value |
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| 340 | if ( units.length() != 0 ) { |
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| 341 | ret = new UntypedExpr( new NameExpr( units ), { ret } ); |
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| 342 | } // if |
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| 343 | |
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| 344 | delete &str; // created by lex |
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| 345 | return ret; |
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| 346 | } // build_constantStr |
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| 347 | |
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| 348 | Expression * build_field_name_FLOATING_FRACTIONconstant( const string & str ) { |
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| 349 | if ( str.find_first_not_of( "0123456789", 1 ) != string::npos ) SemanticError( yylloc, "invalid tuple index " + str ); |
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| 350 | Expression * ret = build_constantInteger( *new string( str.substr(1) ) ); |
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| 351 | delete &str; |
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| 352 | return ret; |
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| 353 | } // build_field_name_FLOATING_FRACTIONconstant |
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| 354 | |
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| 355 | Expression * build_field_name_FLOATING_DECIMALconstant( const string & str ) { |
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| 356 | if ( str[str.size()-1] != '.' ) SemanticError( yylloc, "invalid tuple index " + str ); |
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| 357 | Expression * ret = build_constantInteger( *new string( str.substr( 0, str.size()-1 ) ) ); |
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| 358 | delete &str; |
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| 359 | return ret; |
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| 360 | } // build_field_name_FLOATING_DECIMALconstant |
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| 361 | |
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| 362 | Expression * build_field_name_FLOATINGconstant( const string & str ) { |
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| 363 | // str is of the form A.B -> separate at the . and return member expression |
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| 364 | int a, b; |
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| 365 | char dot; |
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| 366 | stringstream ss( str ); |
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| 367 | ss >> a >> dot >> b; |
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| 368 | UntypedMemberExpr * ret = new UntypedMemberExpr( new ConstantExpr( Constant::from_int( b ) ), new ConstantExpr( Constant::from_int( a ) ) ); |
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| 369 | delete &str; |
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| 370 | return ret; |
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| 371 | } // build_field_name_FLOATINGconstant |
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| 372 | |
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| 373 | Expression * make_field_name_fraction_constants( Expression * fieldName, Expression * fracts ) { |
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| 374 | if ( fracts ) { |
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| 375 | if ( UntypedMemberExpr * memberExpr = dynamic_cast< UntypedMemberExpr * >( fracts ) ) { |
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| 376 | memberExpr->set_member( make_field_name_fraction_constants( fieldName, memberExpr->get_aggregate() ) ); |
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| 377 | return memberExpr; |
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| 378 | } else { |
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| 379 | return new UntypedMemberExpr( fracts, fieldName ); |
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| 380 | } // if |
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| 381 | } // if |
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| 382 | return fieldName; |
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| 383 | } // make_field_name_fraction_constants |
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| 384 | |
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| 385 | Expression * build_field_name_fraction_constants( Expression * fieldName, ExpressionNode * fracts ) { |
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| 386 | return make_field_name_fraction_constants( fieldName, maybeMoveBuild< Expression >( fracts ) ); |
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| 387 | } // build_field_name_fraction_constants |
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| 388 | |
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| 389 | NameExpr * build_varref( const string * name ) { |
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| 390 | NameExpr * expr = new NameExpr( *name ); |
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| 391 | delete name; |
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| 392 | return expr; |
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| 393 | } // build_varref |
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| 394 | |
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| 395 | // TODO: get rid of this and OperKinds and reuse code from OperatorTable |
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| 396 | static const char * OperName[] = { // must harmonize with OperKinds |
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| 397 | // diadic |
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| 398 | "SizeOf", "AlignOf", "OffsetOf", "?+?", "?-?", "?\\?", "?*?", "?/?", "?%?", "||", "&&", |
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| 399 | "?|?", "?&?", "?^?", "Cast", "?<<?", "?>>?", "?<?", "?>?", "?<=?", "?>=?", "?==?", "?!=?", |
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| 400 | "?=?", "?@=?", "?\\=?", "?*=?", "?/=?", "?%=?", "?+=?", "?-=?", "?<<=?", "?>>=?", "?&=?", "?^=?", "?|=?", |
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| 401 | "?[?]", "...", |
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| 402 | // monadic |
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| 403 | "+?", "-?", "AddressOf", "*?", "!?", "~?", "++?", "?++", "--?", "?--", |
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| 404 | }; // OperName |
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| 405 | |
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| 406 | Expression * build_cast( DeclarationNode * decl_node, ExpressionNode * expr_node ) { |
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| 407 | Type * targetType = maybeMoveBuildType( decl_node ); |
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| 408 | if ( dynamic_cast< VoidType * >( targetType ) ) { |
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| 409 | delete targetType; |
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| 410 | return new CastExpr( maybeMoveBuild< Expression >(expr_node), false ); |
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| 411 | } else { |
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| 412 | return new CastExpr( maybeMoveBuild< Expression >(expr_node), targetType, false ); |
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| 413 | } // if |
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| 414 | } // build_cast |
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| 415 | |
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| 416 | Expression * build_keyword_cast( KeywordCastExpr::Target target, ExpressionNode * expr_node ) { |
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| 417 | return new KeywordCastExpr( maybeMoveBuild< Expression >(expr_node), target ); |
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| 418 | } |
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| 419 | |
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| 420 | Expression * build_virtual_cast( DeclarationNode * decl_node, ExpressionNode * expr_node ) { |
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| 421 | return new VirtualCastExpr( maybeMoveBuild< Expression >( expr_node ), maybeMoveBuildType( decl_node ) ); |
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| 422 | } // build_virtual_cast |
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| 423 | |
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| 424 | Expression * build_fieldSel( ExpressionNode * expr_node, Expression * member ) { |
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| 425 | return new UntypedMemberExpr( member, maybeMoveBuild< Expression >(expr_node) ); |
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| 426 | } // build_fieldSel |
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| 427 | |
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| 428 | Expression * build_pfieldSel( ExpressionNode * expr_node, Expression * member ) { |
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| 429 | UntypedExpr * deref = new UntypedExpr( new NameExpr( "*?" ) ); |
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| 430 | deref->location = expr_node->location; |
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| 431 | deref->get_args().push_back( maybeMoveBuild< Expression >(expr_node) ); |
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| 432 | UntypedMemberExpr * ret = new UntypedMemberExpr( member, deref ); |
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| 433 | return ret; |
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| 434 | } // build_pfieldSel |
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| 435 | |
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| 436 | Expression * build_offsetOf( DeclarationNode * decl_node, NameExpr * member ) { |
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| 437 | Expression * ret = new UntypedOffsetofExpr( maybeMoveBuildType( decl_node ), member->get_name() ); |
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| 438 | delete member; |
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| 439 | return ret; |
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| 440 | } // build_offsetOf |
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| 441 | |
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| 442 | Expression * build_and_or( ExpressionNode * expr_node1, ExpressionNode * expr_node2, bool kind ) { |
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| 443 | return new LogicalExpr( notZeroExpr( maybeMoveBuild< Expression >(expr_node1) ), notZeroExpr( maybeMoveBuild< Expression >(expr_node2) ), kind ); |
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| 444 | } // build_and_or |
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| 445 | |
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| 446 | Expression * build_unary_val( OperKinds op, ExpressionNode * expr_node ) { |
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| 447 | list< Expression * > args; |
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| 448 | args.push_back( maybeMoveBuild< Expression >(expr_node) ); |
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| 449 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args ); |
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| 450 | } // build_unary_val |
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| 451 | |
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| 452 | Expression * build_unary_ptr( OperKinds op, ExpressionNode * expr_node ) { |
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| 453 | list< Expression * > args; |
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| 454 | args.push_back( maybeMoveBuild< Expression >(expr_node) ); // xxx -- this is exactly the same as the val case now, refactor this code. |
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| 455 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args ); |
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| 456 | } // build_unary_ptr |
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| 457 | |
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| 458 | Expression * build_binary_val( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 ) { |
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| 459 | list< Expression * > args; |
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| 460 | args.push_back( maybeMoveBuild< Expression >(expr_node1) ); |
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| 461 | args.push_back( maybeMoveBuild< Expression >(expr_node2) ); |
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| 462 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args ); |
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| 463 | } // build_binary_val |
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| 464 | |
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| 465 | Expression * build_binary_ptr( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 ) { |
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| 466 | list< Expression * > args; |
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| 467 | args.push_back( maybeMoveBuild< Expression >(expr_node1) ); |
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| 468 | args.push_back( maybeMoveBuild< Expression >(expr_node2) ); |
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| 469 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args ); |
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| 470 | } // build_binary_ptr |
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| 471 | |
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| 472 | Expression * build_cond( ExpressionNode * expr_node1, ExpressionNode * expr_node2, ExpressionNode * expr_node3 ) { |
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| 473 | return new ConditionalExpr( notZeroExpr( maybeMoveBuild< Expression >(expr_node1) ), maybeMoveBuild< Expression >(expr_node2), maybeMoveBuild< Expression >(expr_node3) ); |
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| 474 | } // build_cond |
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| 475 | |
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| 476 | Expression * build_tuple( ExpressionNode * expr_node ) { |
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| 477 | list< Expression * > exprs; |
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| 478 | buildMoveList( expr_node, exprs ); |
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| 479 | return new UntypedTupleExpr( exprs );; |
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| 480 | } // build_tuple |
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| 481 | |
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| 482 | Expression * build_func( ExpressionNode * function, ExpressionNode * expr_node ) { |
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| 483 | list< Expression * > args; |
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| 484 | buildMoveList( expr_node, args ); |
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| 485 | return new UntypedExpr( maybeMoveBuild< Expression >(function), args ); |
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| 486 | } // build_func |
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| 487 | |
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| 488 | Expression * build_compoundLiteral( DeclarationNode * decl_node, InitializerNode * kids ) { |
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| 489 | Declaration * newDecl = maybeBuild< Declaration >(decl_node); // compound literal type |
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| 490 | if ( DeclarationWithType * newDeclWithType = dynamic_cast< DeclarationWithType * >( newDecl ) ) { // non-sue compound-literal type |
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| 491 | return new CompoundLiteralExpr( newDeclWithType->get_type(), maybeMoveBuild< Initializer >(kids) ); |
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| 492 | // these types do not have associated type information |
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| 493 | } else if ( StructDecl * newDeclStructDecl = dynamic_cast< StructDecl * >( newDecl ) ) { |
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| 494 | if ( newDeclStructDecl->has_body() ) { |
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| 495 | return new CompoundLiteralExpr( new StructInstType( Type::Qualifiers(), newDeclStructDecl ), maybeMoveBuild< Initializer >(kids) ); |
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| 496 | } else { |
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| 497 | return new CompoundLiteralExpr( new StructInstType( Type::Qualifiers(), newDeclStructDecl->get_name() ), maybeMoveBuild< Initializer >(kids) ); |
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| 498 | } // if |
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| 499 | } else if ( UnionDecl * newDeclUnionDecl = dynamic_cast< UnionDecl * >( newDecl ) ) { |
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| 500 | if ( newDeclUnionDecl->has_body() ) { |
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| 501 | return new CompoundLiteralExpr( new UnionInstType( Type::Qualifiers(), newDeclUnionDecl ), maybeMoveBuild< Initializer >(kids) ); |
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| 502 | } else { |
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| 503 | return new CompoundLiteralExpr( new UnionInstType( Type::Qualifiers(), newDeclUnionDecl->get_name() ), maybeMoveBuild< Initializer >(kids) ); |
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| 504 | } // if |
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| 505 | } else if ( EnumDecl * newDeclEnumDecl = dynamic_cast< EnumDecl * >( newDecl ) ) { |
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| 506 | if ( newDeclEnumDecl->has_body() ) { |
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| 507 | return new CompoundLiteralExpr( new EnumInstType( Type::Qualifiers(), newDeclEnumDecl ), maybeMoveBuild< Initializer >(kids) ); |
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| 508 | } else { |
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| 509 | return new CompoundLiteralExpr( new EnumInstType( Type::Qualifiers(), newDeclEnumDecl->get_name() ), maybeMoveBuild< Initializer >(kids) ); |
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| 510 | } // if |
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| 511 | } else { |
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| 512 | assert( false ); |
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| 513 | } // if |
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| 514 | } // build_compoundLiteral |
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| 515 | |
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| 516 | // Local Variables: // |
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| 517 | // tab-width: 4 // |
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| 518 | // mode: c++ // |
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| 519 | // compile-command: "make install" // |
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| 520 | // End: // |
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