| [b87a5ed] | 1 | //
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
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| 3 | //
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| 4 | // The contents of this file are covered under the licence agreement in the
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| 5 | // file "LICENCE" distributed with Cforall.
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| 6 | //
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| [0caaa6a] | 7 | // ExpressionNode.cc --
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| 8 | //
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| [f43df73] | 9 | // Author : Peter A. Buhr
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| [b87a5ed] | 10 | // Created On : Sat May 16 13:17:07 2015
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| [76c62b2] | 11 | // Last Modified By : Peter A. Buhr
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| [6e3eaa57] | 12 | // Last Modified On : Mon Jun 4 21:24:45 2018
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| 13 | // Update Count : 802
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| [0caaa6a] | 14 | //
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| [b87a5ed] | 15 |
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| [ea6332d] | 16 | #include <cassert> // for assert
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| [d180746] | 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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| [51b73452] | 22 |
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| [d180746] | 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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| [51b73452] | 34 |
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| 35 | using namespace std;
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| 36 |
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| [cd623a4] | 37 | //##############################################################################
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| 38 |
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| [7bf7fb9] | 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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| [beec62c] | 51 | extern const Type::Qualifiers noQualifiers; // no qualifiers on constants
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| [7bf7fb9] | 52 |
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| [930f69e] | 53 | static inline bool checkH( char c ) { return c == 'h' || c == 'H'; }
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| [7bf7fb9] | 54 | static inline bool checkL( char c ) { return c == 'l' || c == 'L'; }
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| [930f69e] | 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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| [7bf7fb9] | 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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| [0a2168f] | 60 | static inline bool checkB( char c ) { return c == 'b' || c == 'B'; }
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| [7bf7fb9] | 61 | static inline bool checkX( char c ) { return c == 'x' || c == 'X'; }
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| 62 |
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| [201aeb9] | 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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| [bf4b4cf] | 90 | } // if
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| [201aeb9] | 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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| [ba2a68b] | 96 | Expression * build_constantInteger( string & str ) {
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| [201aeb9] | 97 | static const BasicType::Kind kind[2][6] = {
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| [930f69e] | 98 | // short (h) must be before char (hh)
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| [201aeb9] | 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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| [7bf7fb9] | 101 | };
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| [76c62b2] | 102 |
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| [7bf7fb9] | 103 | bool dec = true, Unsigned = false; // decimal, unsigned constant
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| [201aeb9] | 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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| [6165ce7] | 107 | unsigned long long int v; // converted integral value
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| [0a2168f] | 108 | size_t last = str.length() - 1; // last subscript of constant
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| [6165ce7] | 109 | Expression * ret;
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| [7bf7fb9] | 110 |
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| [6165ce7] | 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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| [ea6332d] | 120 |
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| [0a2168f] | 121 | // Cannot be "0"
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| 122 |
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| 123 | if ( str[0] == '0' ) { // radix character ?
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| [7bf7fb9] | 124 | dec = false;
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| [0a2168f] | 125 | if ( checkX( str[1] ) ) { // hex constant ?
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| [7bf7fb9] | 126 | sscanf( (char *)str.c_str(), "%llx", &v );
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| 127 | //printf( "%llx %llu\n", v, v );
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| [0a2168f] | 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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| [7bf7fb9] | 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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| [930f69e] | 146 | size = 2;
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| [7bf7fb9] | 147 | } else if ( v <= UINT_MAX && ! dec ) { // unsigned int
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| [930f69e] | 148 | size = 2;
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| [7bf7fb9] | 149 | Unsigned = true; // unsigned
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| 150 | } else if ( v <= LONG_MAX ) { // signed long int
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| [930f69e] | 151 | size = 3;
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| [7bf7fb9] | 152 | } else if ( v <= ULONG_MAX && ( ! dec || LONG_MAX == LLONG_MAX ) ) { // signed long int
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| [930f69e] | 153 | size = 3;
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| [7bf7fb9] | 154 | Unsigned = true; // unsigned long int
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| 155 | } else if ( v <= LLONG_MAX ) { // signed long long int
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| [930f69e] | 156 | size = 4;
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| [7bf7fb9] | 157 | } else { // unsigned long long int
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| [930f69e] | 158 | size = 4;
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| [7bf7fb9] | 159 | Unsigned = true; // unsigned long long int
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| 160 | } // if
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| 161 |
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| [930f69e] | 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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| [7bf7fb9] | 164 | if ( checkU( str[last] ) ) { // suffix 'u' ?
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| 165 | Unsigned = true;
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| [930f69e] | 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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| [7bf7fb9] | 170 | } // if
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| [930f69e] | 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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| [201aeb9] | 177 | } else { // suffix "ln" ?
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| 178 | checkLNInt( str, lnth, size );
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| [7bf7fb9] | 179 | } // if
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| 180 | } else if ( checkL( str[ last ] ) ) { // suffix 'l' ?
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| [930f69e] | 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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| [7bf7fb9] | 185 | Unsigned = true;
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| 186 | } // if
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| [930f69e] | 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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| [7bf7fb9] | 195 | Unsigned = true;
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| 196 | } // if
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| [930f69e] | 197 | } else if ( checkU( str[last - 1] ) ) { // suffix 'u' ?
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| 198 | Unsigned = true;
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| [7bf7fb9] | 199 | } // if
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| [930f69e] | 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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| [201aeb9] | 202 | lnth = 4;
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| [930f69e] | 203 | str.erase( last, 1 ); // remove 'z'
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| [201aeb9] | 204 | } else { // suffix "ln" ?
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| 205 | checkLNInt( str, lnth, size );
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| [7bf7fb9] | 206 | } // if
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| 207 |
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| [201aeb9] | 208 | assert( 0 <= size && size < 6 );
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| [a6c5d7c] | 209 | // Constant type is correct for overload resolving.
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| [e8ccca3] | 210 | ret = new ConstantExpr( Constant( new BasicType( noQualifiers, kind[Unsigned][size] ), str, v ) );
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| [a6c5d7c] | 211 | if ( Unsigned && size < 2 ) { // hh or h, less than int ?
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| [201aeb9] | 212 | // int i = -1uh => 65535 not -1, so cast is necessary for unsigned, which unfortunately eliminates warnings for large values.
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| [c0bf94e] | 213 | ret = new CastExpr( ret, new BasicType( Type::Qualifiers(), kind[Unsigned][size] ), false );
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| [201aeb9] | 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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| [c0bf94e] | 217 | ret = new CastExpr( ret, new BasicType( Type::Qualifiers(), kind[Unsigned][size] ), false );
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| [201aeb9] | 218 | } else {
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| [c0bf94e] | 219 | ret = new CastExpr( ret, new TypeInstType( Type::Qualifiers(), lnthsInt[Unsigned][lnth], false ), false );
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| [201aeb9] | 220 | } // if
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| [7b1d5ec] | 221 | } // if
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| [6165ce7] | 222 | CLEANUP:
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| [e8ccca3] | 223 |
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| [ab57786] | 224 | delete &str; // created by lex
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| 225 | return ret;
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| [7bf7fb9] | 226 | } // build_constantInteger
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| [51b73452] | 227 |
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| [201aeb9] | 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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| [f43df73] | 250 | Expression * build_constantFloat( string & str ) {
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| [7bf7fb9] | 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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| [59c24b6] | 255 |
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| [7bf7fb9] | 256 | bool complx = false; // real, complex
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| [201aeb9] | 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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| [7bf7fb9] | 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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| [d56e5bc] | 261 | double v;
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| 262 |
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| 263 | sscanf( str.c_str(), "%lg", &v );
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| [51b73452] | 264 |
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| [7bf7fb9] | 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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| [0caaa6a] | 269 |
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| [7bf7fb9] | 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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| [201aeb9] | 276 | } else {
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| 277 | size = 1; // double (default)
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| 278 | checkLNFloat( str, lnth, size );
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| [7bf7fb9] | 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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| [51b73452] | 283 |
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| [201aeb9] | 284 | assert( 0 <= size && size < 3 );
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| [e8ccca3] | 285 | Expression * ret = new ConstantExpr( Constant( new BasicType( noQualifiers, kind[complx][size] ), str, v ) );
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| [201aeb9] | 286 | if ( lnth != -1 ) { // explicit length ?
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| [c0bf94e] | 287 | ret = new CastExpr( ret, new BasicType( Type::Qualifiers(), kind[complx][size] ), false );
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| [201aeb9] | 288 | } // if
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| [76c62b2] | 289 |
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| [ab57786] | 290 | delete &str; // created by lex
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| 291 | return ret;
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| [7bf7fb9] | 292 | } // build_constantFloat
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| [51b73452] | 293 |
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| [76c62b2] | 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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| [e8ccca3] | 297 | units = "?" + str.substr( posn ); // extract units
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| [76c62b2] | 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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| [f43df73] | 302 | Expression * build_constantChar( string & str ) {
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| [76c62b2] | 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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| [e8ccca3] | 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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| [ba2a68b] | 308 | ret = new UntypedExpr( new NameExpr( units ), { ret } );
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| [e8ccca3] | 309 | } // if
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| [76c62b2] | 310 |
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| [ab57786] | 311 | delete &str; // created by lex
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| 312 | return ret;
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| [7bf7fb9] | 313 | } // build_constantChar
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| [51b73452] | 314 |
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| [e612146c] | 315 | Expression * build_constantStr( string & str ) {
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| [6e3eaa57] | 316 | assert( str.length() > 0 );
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| [76c62b2] | 317 | string units; // units
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| 318 | sepString( str, units, '"' ); // separate constant from units
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| 319 |
|
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| [513e165] | 320 | Type * strtype;
|
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| 321 | switch ( str[0] ) { // str has >= 2 characters, i.e, null string "" => safe to look at subscripts 0/1
|
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| [e612146c] | 322 | case 'u':
|
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| [513e165] | 323 | if ( str[1] == '8' ) goto Default; // utf-8 characters => array of char
|
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| 324 | // lookup type of associated typedef
|
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| 325 | strtype = new TypeInstType( Type::Qualifiers( Type::Const ), "char16_t", false );
|
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| [e612146c] | 326 | break;
|
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| 327 | case 'U':
|
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| [513e165] | 328 | strtype = new TypeInstType( Type::Qualifiers( Type::Const ), "char32_t", false );
|
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| [e612146c] | 329 | break;
|
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| 330 | case 'L':
|
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| [513e165] | 331 | strtype = new TypeInstType( Type::Qualifiers( Type::Const ), "wchar_t", false );
|
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| [e612146c] | 332 | break;
|
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| [513e165] | 333 | Default: // char default string type
|
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| 334 | default:
|
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| 335 | strtype = new BasicType( Type::Qualifiers( Type::Const ), BasicType::Char );
|
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| [e612146c] | 336 | } // switch
|
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| [513e165] | 337 | ArrayType * at = new ArrayType( noQualifiers, strtype,
|
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| [e8ccca3] | 338 | new ConstantExpr( Constant::from_ulong( str.size() + 1 - 2 ) ), // +1 for '\0' and -2 for '"'
|
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| 339 | false, false );
|
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| [e612146c] | 340 | Expression * ret = new ConstantExpr( Constant( at, str, (unsigned long long int)0 ) ); // constant 0 is ignored for pure string value
|
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| 341 | if ( units.length() != 0 ) {
|
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| 342 | ret = new UntypedExpr( new NameExpr( units ), { ret } );
|
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| 343 | } // if
|
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| [5809461] | 344 |
|
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| [ab57786] | 345 | delete &str; // created by lex
|
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| 346 | return ret;
|
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| [7bf7fb9] | 347 | } // build_constantStr
|
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| [51b73452] | 348 |
|
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| [930f69e] | 349 | Expression * build_field_name_FLOATING_FRACTIONconstant( const string & str ) {
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| [a16764a6] | 350 | if ( str.find_first_not_of( "0123456789", 1 ) != string::npos ) SemanticError( yylloc, "invalid tuple index " + str );
|
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| [930f69e] | 351 | Expression * ret = build_constantInteger( *new string( str.substr(1) ) );
|
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| 352 | delete &str;
|
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| 353 | return ret;
|
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| 354 | } // build_field_name_FLOATING_FRACTIONconstant
|
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| 355 |
|
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| 356 | Expression * build_field_name_FLOATING_DECIMALconstant( const string & str ) {
|
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| [a16764a6] | 357 | if ( str[str.size()-1] != '.' ) SemanticError( yylloc, "invalid tuple index " + str );
|
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| [930f69e] | 358 | Expression * ret = build_constantInteger( *new string( str.substr( 0, str.size()-1 ) ) );
|
|---|
| 359 | delete &str;
|
|---|
| 360 | return ret;
|
|---|
| 361 | } // build_field_name_FLOATING_DECIMALconstant
|
|---|
| 362 |
|
|---|
| [f43df73] | 363 | Expression * build_field_name_FLOATINGconstant( const string & str ) {
|
|---|
| [8780e30] | 364 | // str is of the form A.B -> separate at the . and return member expression
|
|---|
| 365 | int a, b;
|
|---|
| 366 | char dot;
|
|---|
| [f43df73] | 367 | stringstream ss( str );
|
|---|
| [8780e30] | 368 | ss >> a >> dot >> b;
|
|---|
| [d56e5bc] | 369 | UntypedMemberExpr * ret = new UntypedMemberExpr( new ConstantExpr( Constant::from_int( b ) ), new ConstantExpr( Constant::from_int( a ) ) );
|
|---|
| [8780e30] | 370 | delete &str;
|
|---|
| 371 | return ret;
|
|---|
| 372 | } // build_field_name_FLOATINGconstant
|
|---|
| 373 |
|
|---|
| 374 | Expression * make_field_name_fraction_constants( Expression * fieldName, Expression * fracts ) {
|
|---|
| 375 | if ( fracts ) {
|
|---|
| 376 | if ( UntypedMemberExpr * memberExpr = dynamic_cast< UntypedMemberExpr * >( fracts ) ) {
|
|---|
| 377 | memberExpr->set_member( make_field_name_fraction_constants( fieldName, memberExpr->get_aggregate() ) );
|
|---|
| 378 | return memberExpr;
|
|---|
| 379 | } else {
|
|---|
| 380 | return new UntypedMemberExpr( fracts, fieldName );
|
|---|
| [f43df73] | 381 | } // if
|
|---|
| 382 | } // if
|
|---|
| [8780e30] | 383 | return fieldName;
|
|---|
| 384 | } // make_field_name_fraction_constants
|
|---|
| 385 |
|
|---|
| 386 | Expression * build_field_name_fraction_constants( Expression * fieldName, ExpressionNode * fracts ) {
|
|---|
| 387 | return make_field_name_fraction_constants( fieldName, maybeMoveBuild< Expression >( fracts ) );
|
|---|
| 388 | } // build_field_name_fraction_constants
|
|---|
| 389 |
|
|---|
| [a2e0687] | 390 | NameExpr * build_varref( const string * name ) {
|
|---|
| [bf4b4cf] | 391 | NameExpr * expr = new NameExpr( *name );
|
|---|
| [7ecbb7e] | 392 | delete name;
|
|---|
| 393 | return expr;
|
|---|
| [a2e0687] | 394 | } // build_varref
|
|---|
| [51b1202] | 395 |
|
|---|
| [5809461] | 396 | // TODO: get rid of this and OperKinds and reuse code from OperatorTable
|
|---|
| [a2e0687] | 397 | static const char * OperName[] = { // must harmonize with OperKinds
|
|---|
| [5721a6d] | 398 | // diadic
|
|---|
| [e5f2a67] | 399 | "SizeOf", "AlignOf", "OffsetOf", "?+?", "?-?", "?\\?", "?*?", "?/?", "?%?", "||", "&&",
|
|---|
| [5721a6d] | 400 | "?|?", "?&?", "?^?", "Cast", "?<<?", "?>>?", "?<?", "?>?", "?<=?", "?>=?", "?==?", "?!=?",
|
|---|
| [e5f2a67] | 401 | "?=?", "?@=?", "?\\=?", "?*=?", "?/=?", "?%=?", "?+=?", "?-=?", "?<<=?", "?>>=?", "?&=?", "?^=?", "?|=?",
|
|---|
| [d9e2280] | 402 | "?[?]", "...",
|
|---|
| [5721a6d] | 403 | // monadic
|
|---|
| [5809461] | 404 | "+?", "-?", "AddressOf", "*?", "!?", "~?", "++?", "?++", "--?", "?--",
|
|---|
| [a2e0687] | 405 | }; // OperName
|
|---|
| [5721a6d] | 406 |
|
|---|
| [a2e0687] | 407 | Expression * build_cast( DeclarationNode * decl_node, ExpressionNode * expr_node ) {
|
|---|
| 408 | Type * targetType = maybeMoveBuildType( decl_node );
|
|---|
| [d1625f8] | 409 | if ( dynamic_cast< VoidType * >( targetType ) ) {
|
|---|
| [064e3ff] | 410 | delete targetType;
|
|---|
| [c0bf94e] | 411 | return new CastExpr( maybeMoveBuild< Expression >(expr_node), false );
|
|---|
| [064e3ff] | 412 | } else {
|
|---|
| [c0bf94e] | 413 | return new CastExpr( maybeMoveBuild< Expression >(expr_node), targetType, false );
|
|---|
| [064e3ff] | 414 | } // if
|
|---|
| [a2e0687] | 415 | } // build_cast
|
|---|
| [a5f0529] | 416 |
|
|---|
| [9a705dc8] | 417 | Expression * build_keyword_cast( KeywordCastExpr::Target target, ExpressionNode * expr_node ) {
|
|---|
| 418 | return new KeywordCastExpr( maybeMoveBuild< Expression >(expr_node), target );
|
|---|
| 419 | }
|
|---|
| 420 |
|
|---|
| [a2e0687] | 421 | Expression * build_virtual_cast( DeclarationNode * decl_node, ExpressionNode * expr_node ) {
|
|---|
| [513e165] | 422 | return new VirtualCastExpr( maybeMoveBuild< Expression >( expr_node ), maybeMoveBuildType( decl_node ) );
|
|---|
| [a2e0687] | 423 | } // build_virtual_cast
|
|---|
| [064e3ff] | 424 |
|
|---|
| [a2e0687] | 425 | Expression * build_fieldSel( ExpressionNode * expr_node, Expression * member ) {
|
|---|
| [513e165] | 426 | return new UntypedMemberExpr( member, maybeMoveBuild< Expression >(expr_node) );
|
|---|
| [a2e0687] | 427 | } // build_fieldSel
|
|---|
| [064e3ff] | 428 |
|
|---|
| [a2e0687] | 429 | Expression * build_pfieldSel( ExpressionNode * expr_node, Expression * member ) {
|
|---|
| 430 | UntypedExpr * deref = new UntypedExpr( new NameExpr( "*?" ) );
|
|---|
| [64ac636] | 431 | deref->location = expr_node->location;
|
|---|
| [7ecbb7e] | 432 | deref->get_args().push_back( maybeMoveBuild< Expression >(expr_node) );
|
|---|
| [a2e0687] | 433 | UntypedMemberExpr * ret = new UntypedMemberExpr( member, deref );
|
|---|
| [064e3ff] | 434 | return ret;
|
|---|
| [a2e0687] | 435 | } // build_pfieldSel
|
|---|
| [064e3ff] | 436 |
|
|---|
| [a2e0687] | 437 | Expression * build_offsetOf( DeclarationNode * decl_node, NameExpr * member ) {
|
|---|
| [a7c90d4] | 438 | Expression * ret = new UntypedOffsetofExpr( maybeMoveBuildType( decl_node ), member->get_name() );
|
|---|
| [ac71a86] | 439 | delete member;
|
|---|
| 440 | return ret;
|
|---|
| [a2e0687] | 441 | } // build_offsetOf
|
|---|
| [064e3ff] | 442 |
|
|---|
| [a2e0687] | 443 | Expression * build_and_or( ExpressionNode * expr_node1, ExpressionNode * expr_node2, bool kind ) {
|
|---|
| [7ecbb7e] | 444 | return new LogicalExpr( notZeroExpr( maybeMoveBuild< Expression >(expr_node1) ), notZeroExpr( maybeMoveBuild< Expression >(expr_node2) ), kind );
|
|---|
| [a2e0687] | 445 | } // build_and_or
|
|---|
| [51e076e] | 446 |
|
|---|
| [a2e0687] | 447 | Expression * build_unary_val( OperKinds op, ExpressionNode * expr_node ) {
|
|---|
| [f43df73] | 448 | list< Expression * > args;
|
|---|
| [7ecbb7e] | 449 | args.push_back( maybeMoveBuild< Expression >(expr_node) );
|
|---|
| [d9e2280] | 450 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args );
|
|---|
| [a2e0687] | 451 | } // build_unary_val
|
|---|
| 452 |
|
|---|
| 453 | Expression * build_unary_ptr( OperKinds op, ExpressionNode * expr_node ) {
|
|---|
| [f43df73] | 454 | list< Expression * > args;
|
|---|
| [cccc534] | 455 | args.push_back( maybeMoveBuild< Expression >(expr_node) ); // xxx -- this is exactly the same as the val case now, refactor this code.
|
|---|
| [d9e2280] | 456 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args );
|
|---|
| [a2e0687] | 457 | } // build_unary_ptr
|
|---|
| 458 |
|
|---|
| 459 | Expression * build_binary_val( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 ) {
|
|---|
| [f43df73] | 460 | list< Expression * > args;
|
|---|
| [7ecbb7e] | 461 | args.push_back( maybeMoveBuild< Expression >(expr_node1) );
|
|---|
| 462 | args.push_back( maybeMoveBuild< Expression >(expr_node2) );
|
|---|
| [d9e2280] | 463 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args );
|
|---|
| [a2e0687] | 464 | } // build_binary_val
|
|---|
| 465 |
|
|---|
| 466 | Expression * build_binary_ptr( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 ) {
|
|---|
| [f43df73] | 467 | list< Expression * > args;
|
|---|
| [cda7889] | 468 | args.push_back( maybeMoveBuild< Expression >(expr_node1) );
|
|---|
| [7ecbb7e] | 469 | args.push_back( maybeMoveBuild< Expression >(expr_node2) );
|
|---|
| [d9e2280] | 470 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args );
|
|---|
| [a2e0687] | 471 | } // build_binary_ptr
|
|---|
| [51e076e] | 472 |
|
|---|
| [a2e0687] | 473 | Expression * build_cond( ExpressionNode * expr_node1, ExpressionNode * expr_node2, ExpressionNode * expr_node3 ) {
|
|---|
| [7ecbb7e] | 474 | return new ConditionalExpr( notZeroExpr( maybeMoveBuild< Expression >(expr_node1) ), maybeMoveBuild< Expression >(expr_node2), maybeMoveBuild< Expression >(expr_node3) );
|
|---|
| [a2e0687] | 475 | } // build_cond
|
|---|
| [51e076e] | 476 |
|
|---|
| [a2e0687] | 477 | Expression * build_tuple( ExpressionNode * expr_node ) {
|
|---|
| [f43df73] | 478 | list< Expression * > exprs;
|
|---|
| [907eccb] | 479 | buildMoveList( expr_node, exprs );
|
|---|
| 480 | return new UntypedTupleExpr( exprs );;
|
|---|
| [a2e0687] | 481 | } // build_tuple
|
|---|
| [9706554] | 482 |
|
|---|
| [a2e0687] | 483 | Expression * build_func( ExpressionNode * function, ExpressionNode * expr_node ) {
|
|---|
| [f43df73] | 484 | list< Expression * > args;
|
|---|
| [7ecbb7e] | 485 | buildMoveList( expr_node, args );
|
|---|
| [bf4b4cf] | 486 | return new UntypedExpr( maybeMoveBuild< Expression >(function), args );
|
|---|
| [a2e0687] | 487 | } // build_func
|
|---|
| [9706554] | 488 |
|
|---|
| [a2e0687] | 489 | Expression * build_compoundLiteral( DeclarationNode * decl_node, InitializerNode * kids ) {
|
|---|
| [7880579] | 490 | Declaration * newDecl = maybeBuild< Declaration >(decl_node); // compound literal type
|
|---|
| [630a82a] | 491 | if ( DeclarationWithType * newDeclWithType = dynamic_cast< DeclarationWithType * >( newDecl ) ) { // non-sue compound-literal type
|
|---|
| [7ecbb7e] | 492 | return new CompoundLiteralExpr( newDeclWithType->get_type(), maybeMoveBuild< Initializer >(kids) );
|
|---|
| [630a82a] | 493 | // these types do not have associated type information
|
|---|
| 494 | } else if ( StructDecl * newDeclStructDecl = dynamic_cast< StructDecl * >( newDecl ) ) {
|
|---|
| [fbcde64] | 495 | if ( newDeclStructDecl->has_body() ) {
|
|---|
| 496 | return new CompoundLiteralExpr( new StructInstType( Type::Qualifiers(), newDeclStructDecl ), maybeMoveBuild< Initializer >(kids) );
|
|---|
| 497 | } else {
|
|---|
| 498 | return new CompoundLiteralExpr( new StructInstType( Type::Qualifiers(), newDeclStructDecl->get_name() ), maybeMoveBuild< Initializer >(kids) );
|
|---|
| 499 | } // if
|
|---|
| [630a82a] | 500 | } else if ( UnionDecl * newDeclUnionDecl = dynamic_cast< UnionDecl * >( newDecl ) ) {
|
|---|
| [fbcde64] | 501 | if ( newDeclUnionDecl->has_body() ) {
|
|---|
| 502 | return new CompoundLiteralExpr( new UnionInstType( Type::Qualifiers(), newDeclUnionDecl ), maybeMoveBuild< Initializer >(kids) );
|
|---|
| 503 | } else {
|
|---|
| 504 | return new CompoundLiteralExpr( new UnionInstType( Type::Qualifiers(), newDeclUnionDecl->get_name() ), maybeMoveBuild< Initializer >(kids) );
|
|---|
| 505 | } // if
|
|---|
| [630a82a] | 506 | } else if ( EnumDecl * newDeclEnumDecl = dynamic_cast< EnumDecl * >( newDecl ) ) {
|
|---|
| [fbcde64] | 507 | if ( newDeclEnumDecl->has_body() ) {
|
|---|
| 508 | return new CompoundLiteralExpr( new EnumInstType( Type::Qualifiers(), newDeclEnumDecl ), maybeMoveBuild< Initializer >(kids) );
|
|---|
| 509 | } else {
|
|---|
| 510 | return new CompoundLiteralExpr( new EnumInstType( Type::Qualifiers(), newDeclEnumDecl->get_name() ), maybeMoveBuild< Initializer >(kids) );
|
|---|
| 511 | } // if
|
|---|
| [630a82a] | 512 | } else {
|
|---|
| 513 | assert( false );
|
|---|
| 514 | } // if
|
|---|
| [a2e0687] | 515 | } // build_compoundLiteral
|
|---|
| [630a82a] | 516 |
|
|---|
| [b87a5ed] | 517 | // Local Variables: //
|
|---|
| 518 | // tab-width: 4 //
|
|---|
| 519 | // mode: c++ //
|
|---|
| 520 | // compile-command: "make install" //
|
|---|
| 521 | // End: //
|
|---|
