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 | // TypeData.cpp --
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8 | //
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9 | // Author : Rodolfo G. Esteves
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10 | // Created On : Sat May 16 15:12:51 2015
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11 | // Last Modified By : Peter A. Buhr
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12 | // Last Modified On : Fri Feb 23 08:58:30 2024
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13 | // Update Count : 734
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14 | //
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15 |
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16 | #include "TypeData.hpp"
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17 |
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18 | #include <cassert> // for assert
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19 | #include <ostream> // for operator<<, ostream, basic_ostream
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20 |
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21 | #include "AST/Attribute.hpp" // for Attribute
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22 | #include "AST/Decl.hpp" // for AggregateDecl, ObjectDecl, Type...
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23 | #include "AST/Init.hpp" // for SingleInit, ListInit
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24 | #include "AST/Print.hpp" // for print
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25 | #include "AST/Type.hpp" // for Type
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26 | #include "Common/SemanticError.hpp" // for SemanticError
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27 | #include "Common/Utility.hpp" // for splice, spliceBegin
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28 | #include "Common/Iterate.hpp" // for reverseIterate
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29 | #include "Parser/ExpressionNode.hpp" // for ExpressionNode
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30 | #include "Parser/StatementNode.hpp" // for StatementNode
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31 |
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32 | class Attribute;
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33 |
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34 | using namespace std;
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35 |
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36 | // These must harmonize with the corresponding enumerations in the header.
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37 | const char * TypeData::basicTypeNames[] = {
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38 | "void", "_Bool", "char", "int", "int128",
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39 | "float", "double", "long double", "float80", "float128",
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40 | "_float16", "_float32", "_float32x", "_float64", "_float64x", "_float128", "_float128x",
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41 | "NoBasicTypeNames"
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42 | };
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43 | const char * TypeData::complexTypeNames[] = {
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44 | "_Complex", "NoComplexTypeNames", "_Imaginary"
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45 | }; // Imaginary unsupported => parse, but make invisible and print error message
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46 | const char * TypeData::signednessNames[] = {
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47 | "signed", "unsigned", "NoSignednessNames"
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48 | };
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49 | const char * TypeData::lengthNames[] = {
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50 | "short", "long", "long long", "NoLengthNames"
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51 | };
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52 | const char * TypeData::builtinTypeNames[] = {
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53 | "__builtin_va_list", "__auto_type", "zero_t", "one_t", "NoBuiltinTypeNames"
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54 | };
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55 |
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56 | TypeData::TypeData( Kind k ) : location( yylloc ), kind( k ), base( nullptr ), forall( nullptr ) /*, PTR1( (void*)(0xdeadbeefdeadbeef)), PTR2( (void*)(0xdeadbeefdeadbeef) ) */ {
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57 | switch ( kind ) {
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58 | case Unknown:
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59 | case Pointer:
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60 | case Reference:
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61 | case EnumConstant:
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62 | case GlobalScope:
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63 | case Basic:
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64 | // No unique data to initialize.
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65 | break;
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66 | case Array:
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67 | array.dimension = nullptr;
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68 | array.isVarLen = false;
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69 | array.isStatic = false;
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70 | break;
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71 | case Function:
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72 | function.params = nullptr;
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73 | function.idList = nullptr;
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74 | function.oldDeclList = nullptr;
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75 | function.body = nullptr;
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76 | function.withExprs = nullptr;
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77 | break;
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78 | case Aggregate:
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79 | aggregate.kind = ast::AggregateDecl::NoAggregate;
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80 | aggregate.name = nullptr;
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81 | aggregate.params = nullptr;
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82 | aggregate.actuals = nullptr;
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83 | aggregate.fields = nullptr;
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84 | aggregate.body = false;
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85 | aggregate.anon = false;
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86 | aggregate.typed = false;
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87 | aggregate.hiding = EnumHiding::Visible;
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88 | break;
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89 | case AggregateInst:
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90 | aggInst.aggregate = nullptr;
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91 | aggInst.params = nullptr;
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92 | aggInst.hoistType = false;
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93 | break;
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94 | case Symbolic:
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95 | case SymbolicInst:
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96 | symbolic.name = nullptr;
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97 | symbolic.params = nullptr;
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98 | symbolic.actuals = nullptr;
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99 | symbolic.assertions = nullptr;
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100 | break;
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101 | case Tuple:
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102 | tuple = nullptr;
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103 | break;
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104 | case Typeof:
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105 | case Basetypeof:
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106 | typeexpr = nullptr;
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107 | break;
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108 | case Vtable:
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109 | case Builtin:
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110 | // No unique data to initialize.
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111 | break;
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112 | case Qualified:
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113 | qualified.parent = nullptr;
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114 | qualified.child = nullptr;
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115 | break;
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116 | } // switch
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117 | } // TypeData::TypeData
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118 |
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119 |
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120 | TypeData::~TypeData() {
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121 | delete base;
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122 | delete forall;
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123 |
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124 | switch ( kind ) {
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125 | case Unknown:
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126 | case Pointer:
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127 | case Reference:
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128 | case EnumConstant:
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129 | case GlobalScope:
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130 | case Basic:
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131 | // No unique data to deconstruct.
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132 | break;
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133 | case Array:
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134 | delete array.dimension;
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135 | break;
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136 | case Function:
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137 | delete function.params;
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138 | delete function.idList;
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139 | delete function.oldDeclList;
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140 | delete function.body;
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141 | delete function.withExprs;
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142 | break;
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143 | case Aggregate:
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144 | delete aggregate.name;
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145 | delete aggregate.params;
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146 | delete aggregate.actuals;
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147 | delete aggregate.fields;
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148 | break;
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149 | case AggregateInst:
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150 | delete aggInst.aggregate;
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151 | delete aggInst.params;
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152 | break;
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153 | case Symbolic:
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154 | case SymbolicInst:
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155 | delete symbolic.name;
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156 | delete symbolic.params;
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157 | delete symbolic.actuals;
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158 | delete symbolic.assertions;
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159 | break;
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160 | case Tuple:
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161 | delete tuple;
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162 | break;
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163 | case Typeof:
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164 | case Basetypeof:
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165 | delete typeexpr;
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166 | break;
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167 | case Vtable:
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168 | case Builtin:
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169 | // No unique data to deconstruct.
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170 | break;
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171 | case Qualified:
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172 | delete qualified.parent;
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173 | delete qualified.child;
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174 | break;
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175 | } // switch
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176 | } // TypeData::~TypeData
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177 |
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178 |
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179 | TypeData * TypeData::clone() const {
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180 | TypeData * newtype = new TypeData( kind );
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181 | newtype->qualifiers = qualifiers;
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182 | newtype->base = maybeCopy( base );
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183 | newtype->forall = maybeCopy( forall );
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184 |
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185 | switch ( kind ) {
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186 | case Unknown:
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187 | case EnumConstant:
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188 | case Pointer:
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189 | case Reference:
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190 | case GlobalScope:
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191 | // nothing else to copy
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192 | break;
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193 | case Basic:
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194 | newtype->basictype = basictype;
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195 | newtype->complextype = complextype;
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196 | newtype->signedness = signedness;
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197 | newtype->length = length;
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198 | break;
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199 | case Array:
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200 | newtype->array.dimension = maybeCopy( array.dimension );
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201 | newtype->array.isVarLen = array.isVarLen;
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202 | newtype->array.isStatic = array.isStatic;
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203 | break;
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204 | case Function:
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205 | newtype->function.params = maybeCopy( function.params );
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206 | newtype->function.idList = maybeCopy( function.idList );
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207 | newtype->function.oldDeclList = maybeCopy( function.oldDeclList );
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208 | newtype->function.body = maybeCopy( function.body );
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209 | newtype->function.withExprs = maybeCopy( function.withExprs );
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210 | break;
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211 | case Aggregate:
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212 | newtype->aggregate.kind = aggregate.kind;
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213 | newtype->aggregate.name = aggregate.name ? new string( *aggregate.name ) : nullptr;
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214 | newtype->aggregate.params = maybeCopy( aggregate.params );
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215 | newtype->aggregate.actuals = maybeCopy( aggregate.actuals );
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216 | newtype->aggregate.fields = maybeCopy( aggregate.fields );
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217 | newtype->aggregate.attributes = aggregate.attributes;
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218 | newtype->aggregate.body = aggregate.body;
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219 | newtype->aggregate.anon = aggregate.anon;
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220 | break;
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221 | case AggregateInst:
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222 | newtype->aggInst.aggregate = maybeCopy( aggInst.aggregate );
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223 | newtype->aggInst.params = maybeCopy( aggInst.params );
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224 | newtype->aggInst.hoistType = aggInst.hoistType;
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225 | break;
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226 | case Symbolic:
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227 | case SymbolicInst:
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228 | newtype->symbolic.name = symbolic.name ? new string( *symbolic.name ) : nullptr;
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229 | newtype->symbolic.params = maybeCopy( symbolic.params );
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230 | newtype->symbolic.actuals = maybeCopy( symbolic.actuals );
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231 | newtype->symbolic.assertions = maybeCopy( symbolic.assertions );
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232 | newtype->symbolic.isTypedef = symbolic.isTypedef;
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233 | break;
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234 | case Tuple:
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235 | newtype->tuple = maybeCopy( tuple );
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236 | break;
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237 | case Typeof:
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238 | case Basetypeof:
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239 | newtype->typeexpr = maybeCopy( typeexpr );
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240 | break;
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241 | case Vtable:
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242 | break;
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243 | case Builtin:
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244 | assert( builtintype == Zero || builtintype == One );
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245 | newtype->builtintype = builtintype;
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246 | break;
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247 | case Qualified:
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248 | newtype->qualified.parent = maybeCopy( qualified.parent );
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249 | newtype->qualified.child = maybeCopy( qualified.child );
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250 | break;
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251 | } // switch
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252 | return newtype;
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253 | } // TypeData::clone
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254 |
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255 |
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256 | void TypeData::print( ostream &os, int indent ) const {
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257 | ast::print( os, qualifiers );
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258 |
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259 | if ( forall ) {
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260 | os << "forall " << endl;
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261 | forall->printList( os, indent + 4 );
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262 | } // if
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263 |
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264 | switch ( kind ) {
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265 | case Basic:
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266 | if ( signedness != NoSignedness ) os << signednessNames[ signedness ] << " ";
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267 | if ( length != NoLength ) os << lengthNames[ length ] << " ";
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268 | if ( complextype != NoComplexType ) os << complexTypeNames[ complextype ] << " ";
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269 | if ( basictype != NoBasicType ) os << basicTypeNames[ basictype ] << " ";
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270 | break;
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271 | case Pointer:
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272 | os << "pointer ";
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273 | if ( base ) {
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274 | os << "to ";
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275 | base->print( os, indent );
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276 | } // if
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277 | break;
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278 | case Reference:
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279 | os << "reference ";
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280 | if ( base ) {
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281 | os << "to ";
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282 | base->print( os, indent );
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283 | } // if
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284 | break;
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285 | case Array:
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286 | if ( array.isStatic ) {
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287 | os << "static ";
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288 | } // if
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289 | if ( array.dimension ) {
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290 | os << "array of ";
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291 | array.dimension->printOneLine( os, indent );
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292 | } else if ( array.isVarLen ) {
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293 | os << "variable-length array of ";
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294 | } else {
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295 | os << "open array of ";
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296 | } // if
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297 | if ( base ) {
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298 | base->print( os, indent );
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299 | } // if
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300 | break;
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301 | case Function:
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302 | os << "function" << endl;
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303 | if ( function.params ) {
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304 | os << string( indent + 2, ' ' ) << "with parameters " << endl;
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305 | function.params->printList( os, indent + 4 );
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306 | } else {
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307 | os << string( indent + 2, ' ' ) << "with no parameters" << endl;
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308 | } // if
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309 | if ( function.idList ) {
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310 | os << string( indent + 2, ' ' ) << "with old-style identifier list " << endl;
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311 | function.idList->printList( os, indent + 4 );
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312 | } // if
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313 | if ( function.oldDeclList ) {
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314 | os << string( indent + 2, ' ' ) << "with old-style declaration list " << endl;
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315 | function.oldDeclList->printList( os, indent + 4 );
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316 | } // if
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317 | os << string( indent + 2, ' ' ) << "returning ";
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318 | if ( base ) {
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319 | base->print( os, indent + 4 );
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320 | } else {
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321 | os << "nothing ";
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322 | } // if
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323 | os << endl;
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324 | if ( function.body ) {
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325 | os << string( indent + 2, ' ' ) << "with body " << endl;
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326 | function.body->printList( os, indent + 2 );
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327 | } // if
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328 | break;
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329 | case Aggregate:
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330 | os << ast::AggregateDecl::aggrString( aggregate.kind ) << ' ' << *aggregate.name << endl;
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331 | if ( aggregate.params ) {
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332 | os << string( indent + 2, ' ' ) << "with type parameters" << endl;
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333 | aggregate.params->printList( os, indent + 4 );
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334 | } // if
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335 | if ( aggregate.actuals ) {
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336 | os << string( indent + 2, ' ' ) << "instantiated with actual parameters" << endl;
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337 | aggregate.actuals->printList( os, indent + 4 );
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338 | } // if
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339 | if ( aggregate.fields ) {
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340 | os << string( indent + 2, ' ' ) << "with members" << endl;
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341 | aggregate.fields->printList( os, indent + 4 );
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342 | } // if
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343 | if ( aggregate.body ) {
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344 | os << string( indent + 2, ' ' ) << "with body" << endl;
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345 | } // if
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346 | if ( ! aggregate.attributes.empty() ) {
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347 | os << string( indent + 2, ' ' ) << "with attributes" << endl;
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348 | for ( ast::ptr<ast::Attribute> const & attr : reverseIterate( aggregate.attributes ) ) {
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349 | os << string( indent + 4, ' ' );
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350 | ast::print( os, attr, indent + 2 );
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351 | } // for
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352 | } // if
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353 | break;
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354 | case AggregateInst:
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355 | if ( aggInst.aggregate ) {
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356 | os << "instance of " ;
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357 | aggInst.aggregate->print( os, indent );
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358 | } else {
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359 | os << "instance of an unspecified aggregate ";
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360 | } // if
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361 | if ( aggInst.params ) {
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362 | os << string( indent + 2, ' ' ) << "with parameters" << endl;
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363 | aggInst.params->printList( os, indent + 2 );
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364 | } // if
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365 | break;
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366 | case EnumConstant:
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367 | os << "enumeration constant ";
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368 | break;
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369 | case Symbolic:
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370 | if ( symbolic.isTypedef ) {
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371 | os << "typedef definition ";
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372 | } else {
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373 | os << "type definition ";
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374 | } // if
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375 | if ( symbolic.params ) {
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376 | os << endl << string( indent + 2, ' ' ) << "with parameters" << endl;
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377 | symbolic.params->printList( os, indent + 2 );
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378 | } // if
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379 | if ( symbolic.assertions ) {
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380 | os << endl << string( indent + 2, ' ' ) << "with assertions" << endl;
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381 | symbolic.assertions->printList( os, indent + 4 );
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382 | os << string( indent + 2, ' ' );
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383 | } // if
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384 | if ( base ) {
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385 | os << "for ";
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386 | base->print( os, indent + 2 );
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387 | } // if
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388 | break;
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389 | case SymbolicInst:
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390 | os << *symbolic.name;
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391 | if ( symbolic.actuals ) {
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392 | os << "(";
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393 | symbolic.actuals->printList( os, indent + 2 );
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394 | os << ")";
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395 | } // if
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396 | break;
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397 | case Tuple:
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398 | os << "tuple ";
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399 | if ( tuple ) {
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400 | os << "with members" << endl;
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401 | tuple->printList( os, indent + 2 );
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402 | } // if
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403 | break;
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404 | case Basetypeof:
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405 | os << "base-";
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406 | #if defined(__GNUC__) && __GNUC__ >= 7
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407 | __attribute__((fallthrough));
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408 | #endif
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409 | // FALL THROUGH
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410 | case Typeof:
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411 | os << "type-of expression ";
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412 | if ( typeexpr ) {
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413 | typeexpr->print( os, indent + 2 );
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414 | } // if
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415 | break;
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416 | case Vtable:
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417 | os << "vtable";
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418 | break;
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419 | case Builtin:
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420 | os << builtinTypeNames[builtintype];
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421 | break;
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422 | case GlobalScope:
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423 | break;
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424 | case Qualified:
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425 | qualified.parent->print( os );
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426 | os << ".";
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427 | qualified.child->print( os );
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428 | break;
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429 | case Unknown:
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430 | os << "entity of unknown type ";
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431 | break;
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432 | default:
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433 | os << "internal error: TypeData::print " << kind << endl;
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434 | assert( false );
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435 | } // switch
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436 | } // TypeData::print
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437 |
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438 | const std::string * TypeData::leafName() const {
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439 | switch ( kind ) {
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440 | case Unknown:
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441 | case Pointer:
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442 | case Reference:
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443 | case EnumConstant:
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444 | case GlobalScope:
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445 | case Array:
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446 | case Basic:
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447 | case Function:
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448 | case AggregateInst:
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449 | case Tuple:
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450 | case Typeof:
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451 | case Basetypeof:
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452 | case Builtin:
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453 | case Vtable:
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454 | assertf(false, "Tried to get leaf name from kind without a name: %d", kind);
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455 | break;
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456 | case Aggregate:
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457 | return aggregate.name;
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458 | case Symbolic:
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459 | case SymbolicInst:
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460 | return symbolic.name;
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461 | case Qualified:
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462 | return qualified.child->leafName();
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463 | } // switch
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464 | assert(false);
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465 | }
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466 |
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467 | TypeData * TypeData::getLastBase() {
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468 | TypeData * cur = this;
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469 | while ( cur->base ) cur = cur->base;
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470 | return cur;
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471 | }
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472 |
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473 | void TypeData::setLastBase( TypeData * newBase ) {
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474 | getLastBase()->base = newBase;
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475 | }
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476 |
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477 |
|
---|
478 | // Wrap an aggregate up in an instance. Takes and gives ownership.
|
---|
479 | static TypeData * makeInstance( TypeData * type ) {
|
---|
480 | assert( TypeData::Aggregate == type->kind );
|
---|
481 | TypeData * out = new TypeData( TypeData::AggregateInst );
|
---|
482 | out->aggInst.aggregate = type;
|
---|
483 | out->aggInst.params = maybeCopy( type->aggregate.actuals );
|
---|
484 | out->aggInst.hoistType = type->aggregate.body;
|
---|
485 | out->qualifiers |= type->qualifiers;
|
---|
486 | return out;
|
---|
487 | }
|
---|
488 |
|
---|
489 |
|
---|
490 | TypeData * build_type_qualifier( ast::CV::Qualifiers tq ) {
|
---|
491 | TypeData * type = new TypeData;
|
---|
492 | type->qualifiers = tq;
|
---|
493 | return type;
|
---|
494 | }
|
---|
495 |
|
---|
496 | TypeData * build_basic_type( TypeData::BasicType basic ) {
|
---|
497 | TypeData * type = new TypeData( TypeData::Basic );
|
---|
498 | type->basictype = basic;
|
---|
499 | return type;
|
---|
500 | }
|
---|
501 |
|
---|
502 | TypeData * build_complex_type( TypeData::ComplexType complex ) {
|
---|
503 | TypeData * type = new TypeData( TypeData::Basic );
|
---|
504 | type->complextype = complex;
|
---|
505 | return type;
|
---|
506 | }
|
---|
507 |
|
---|
508 | TypeData * build_signedness( TypeData::Signedness signedness ) {
|
---|
509 | TypeData * type = new TypeData( TypeData::Basic );
|
---|
510 | type->signedness = signedness;
|
---|
511 | return type;
|
---|
512 | }
|
---|
513 |
|
---|
514 | TypeData * build_builtin_type( TypeData::BuiltinType bit ) {
|
---|
515 | TypeData * type = new TypeData( TypeData::Builtin );
|
---|
516 | type->builtintype = bit;
|
---|
517 | return type;
|
---|
518 | }
|
---|
519 |
|
---|
520 | TypeData * build_length( TypeData::Length length ) {
|
---|
521 | TypeData * type = new TypeData( TypeData::Basic );
|
---|
522 | type->length = length;
|
---|
523 | return type;
|
---|
524 | }
|
---|
525 |
|
---|
526 | TypeData * build_forall( DeclarationNode * forall ) {
|
---|
527 | TypeData * type = new TypeData( TypeData::Unknown );
|
---|
528 | type->forall = forall;
|
---|
529 | return type;
|
---|
530 | }
|
---|
531 |
|
---|
532 | TypeData * build_global_scope() {
|
---|
533 | return new TypeData( TypeData::GlobalScope );
|
---|
534 | }
|
---|
535 |
|
---|
536 | TypeData * build_qualified_type( TypeData * parent, TypeData * child ) {
|
---|
537 | TypeData * type = new TypeData( TypeData::Qualified );
|
---|
538 | type->qualified.parent = parent;
|
---|
539 | type->qualified.child = child;
|
---|
540 | return type;
|
---|
541 | }
|
---|
542 |
|
---|
543 | TypeData * build_typedef( const std::string * name ) {
|
---|
544 | TypeData * type = new TypeData( TypeData::SymbolicInst );
|
---|
545 | type->symbolic.name = name;
|
---|
546 | type->symbolic.isTypedef = true;
|
---|
547 | type->symbolic.actuals = nullptr;
|
---|
548 | return type;
|
---|
549 | }
|
---|
550 |
|
---|
551 | TypeData * build_type_gen( const std::string * name, ExpressionNode * params ) {
|
---|
552 | TypeData * type = new TypeData( TypeData::SymbolicInst );
|
---|
553 | type->symbolic.name = name;
|
---|
554 | type->symbolic.isTypedef = false;
|
---|
555 | type->symbolic.actuals = params;
|
---|
556 | return type;
|
---|
557 | }
|
---|
558 |
|
---|
559 | TypeData * build_vtable_type( TypeData * base ) {
|
---|
560 | TypeData * type = new TypeData( TypeData::Vtable );
|
---|
561 | type->base = base;
|
---|
562 | return type;
|
---|
563 | }
|
---|
564 |
|
---|
565 | // Takes ownership of src.
|
---|
566 | static void addQualifiersToType( TypeData * dst, TypeData * src ) {
|
---|
567 | if ( dst->base ) {
|
---|
568 | addQualifiersToType( dst->base, src );
|
---|
569 | } else if ( dst->kind == TypeData::Function ) {
|
---|
570 | dst->base = src;
|
---|
571 | src = nullptr;
|
---|
572 | } else {
|
---|
573 | dst->qualifiers |= src->qualifiers;
|
---|
574 | delete src;
|
---|
575 | } // if
|
---|
576 | }
|
---|
577 |
|
---|
578 | // Takes ownership of all arguments, gives ownership of return value.
|
---|
579 | TypeData * addQualifiers( TypeData * dst, TypeData * src ) {
|
---|
580 | if ( src->forall ) {
|
---|
581 | if ( dst->forall || TypeData::Aggregate != dst->kind ) {
|
---|
582 | extend( dst->forall, src->forall );
|
---|
583 | } else {
|
---|
584 | extend( dst->aggregate.params, src->forall );
|
---|
585 | }
|
---|
586 | src->forall = nullptr;
|
---|
587 | }
|
---|
588 |
|
---|
589 | addQualifiersToType( dst, src );
|
---|
590 | return dst;
|
---|
591 | }
|
---|
592 |
|
---|
593 | // Helper for addType and cloneBaseType.
|
---|
594 | static void addTypeToType( TypeData *& dst, TypeData *& src ) {
|
---|
595 | if ( src->forall && dst->kind == TypeData::Function ) {
|
---|
596 | extend( dst->forall, src->forall );
|
---|
597 | src->forall = nullptr;
|
---|
598 | } // if
|
---|
599 | if ( dst->base ) {
|
---|
600 | addTypeToType( dst->base, src );
|
---|
601 | return;
|
---|
602 | }
|
---|
603 | switch ( dst->kind ) {
|
---|
604 | case TypeData::Unknown:
|
---|
605 | src->qualifiers |= dst->qualifiers;
|
---|
606 | // LEAKS dst?
|
---|
607 | dst = src;
|
---|
608 | src = nullptr;
|
---|
609 | break;
|
---|
610 | case TypeData::Basic:
|
---|
611 | dst->qualifiers |= src->qualifiers;
|
---|
612 | if ( src->kind != TypeData::Unknown ) {
|
---|
613 | assert( src->kind == TypeData::Basic );
|
---|
614 |
|
---|
615 | if ( dst->basictype == TypeData::NoBasicType ) {
|
---|
616 | dst->basictype = src->basictype;
|
---|
617 | } else if ( src->basictype != TypeData::NoBasicType ) {
|
---|
618 | SemanticError( yylloc, "multiple declaration types \"%s\" and \"%s\".",
|
---|
619 | TypeData::basicTypeNames[ dst->basictype ],
|
---|
620 | TypeData::basicTypeNames[ src->basictype ] );
|
---|
621 | }
|
---|
622 | if ( dst->complextype == TypeData::NoComplexType ) {
|
---|
623 | dst->complextype = src->complextype;
|
---|
624 | } else if ( src->complextype != TypeData::NoComplexType ) {
|
---|
625 | SemanticError( yylloc, "multiple declaration types \"%s\" and \"%s\".",
|
---|
626 | TypeData::complexTypeNames[ src->complextype ],
|
---|
627 | TypeData::complexTypeNames[ src->complextype ] );
|
---|
628 | }
|
---|
629 | if ( dst->signedness == TypeData::NoSignedness ) {
|
---|
630 | dst->signedness = src->signedness;
|
---|
631 | } else if ( src->signedness != TypeData::NoSignedness ) {
|
---|
632 | SemanticError( yylloc, "conflicting type specifier \"%s\" and \"%s\".",
|
---|
633 | TypeData::signednessNames[ dst->signedness ],
|
---|
634 | TypeData::signednessNames[ src->signedness ] );
|
---|
635 | }
|
---|
636 | if ( dst->length == TypeData::NoLength ) {
|
---|
637 | dst->length = src->length;
|
---|
638 | } else if ( dst->length == TypeData::Long && src->length == TypeData::Long ) {
|
---|
639 | dst->length = TypeData::LongLong;
|
---|
640 | } else if ( src->length != TypeData::NoLength ) {
|
---|
641 | SemanticError( yylloc, "conflicting type specifier \"%s\" and \"%s\".",
|
---|
642 | TypeData::lengthNames[ dst->length ],
|
---|
643 | TypeData::lengthNames[ src->length ] );
|
---|
644 | }
|
---|
645 | } // if
|
---|
646 | break;
|
---|
647 | default:
|
---|
648 | if ( TypeData::Aggregate == src->kind ) {
|
---|
649 | dst->base = makeInstance( src );
|
---|
650 | } else {
|
---|
651 | extend( dst->forall, src->forall );
|
---|
652 | src->forall = nullptr;
|
---|
653 | dst->base = src;
|
---|
654 | }
|
---|
655 | src = nullptr;
|
---|
656 | } // switch
|
---|
657 | }
|
---|
658 |
|
---|
659 | // Takes ownership of all arguments, gives ownership of return value.
|
---|
660 | TypeData * addType( TypeData * dst, TypeData * src, std::vector<ast::ptr<ast::Attribute>> & attributes ) {
|
---|
661 | if ( dst ) {
|
---|
662 | addTypeToType( dst, src );
|
---|
663 | } else if ( src->kind == TypeData::Aggregate ) {
|
---|
664 | // Hide type information aggregate instances.
|
---|
665 | dst = makeInstance( src );
|
---|
666 | dst->aggInst.aggregate->aggregate.attributes.swap( attributes );
|
---|
667 | } else {
|
---|
668 | dst = src;
|
---|
669 | } // if
|
---|
670 | return dst;
|
---|
671 | }
|
---|
672 |
|
---|
673 | TypeData * addType( TypeData * dst, TypeData * src ) {
|
---|
674 | std::vector<ast::ptr<ast::Attribute>> attributes;
|
---|
675 | return addType( dst, src, attributes );
|
---|
676 | }
|
---|
677 |
|
---|
678 | // Takes ownership of both arguments, gives ownership of return value.
|
---|
679 | TypeData * cloneBaseType( TypeData * type, TypeData * other ) {
|
---|
680 | TypeData * newType = type->getLastBase()->clone();
|
---|
681 | if ( newType->kind == TypeData::AggregateInst ) {
|
---|
682 | // don't duplicate members
|
---|
683 | assert( newType->aggInst.aggregate->kind == TypeData::Aggregate );
|
---|
684 | delete newType->aggInst.aggregate->aggregate.fields;
|
---|
685 | newType->aggInst.aggregate->aggregate.fields = nullptr;
|
---|
686 | newType->aggInst.aggregate->aggregate.body = false;
|
---|
687 | // don't hoist twice
|
---|
688 | newType->aggInst.hoistType = false;
|
---|
689 | } // if
|
---|
690 | newType->forall = maybeCopy( type->forall );
|
---|
691 |
|
---|
692 | if ( other ) {
|
---|
693 | addTypeToType( other, newType );
|
---|
694 | delete newType;
|
---|
695 | return other;
|
---|
696 | } // if
|
---|
697 | return newType;
|
---|
698 | }
|
---|
699 |
|
---|
700 | TypeData * makeNewBase( TypeData * type ) {
|
---|
701 | return ( TypeData::Aggregate == type->kind ) ? makeInstance( type ) : type;
|
---|
702 | }
|
---|
703 |
|
---|
704 |
|
---|
705 | void buildForall(
|
---|
706 | const DeclarationNode * firstNode,
|
---|
707 | std::vector<ast::ptr<ast::TypeInstType>> &outputList ) {
|
---|
708 | {
|
---|
709 | std::vector<ast::ptr<ast::Type>> tmpList;
|
---|
710 | buildTypeList( firstNode, tmpList );
|
---|
711 | for ( auto tmp : tmpList ) {
|
---|
712 | outputList.emplace_back(
|
---|
713 | strict_dynamic_cast<const ast::TypeInstType *>(
|
---|
714 | tmp.release() ) );
|
---|
715 | }
|
---|
716 | }
|
---|
717 | auto n = firstNode;
|
---|
718 | for ( auto i = outputList.begin() ;
|
---|
719 | i != outputList.end() ;
|
---|
720 | ++i, n = n->next ) {
|
---|
721 | // Only the object type class adds additional assertions.
|
---|
722 | if ( n->variable.tyClass != ast::TypeDecl::Otype ) {
|
---|
723 | continue;
|
---|
724 | }
|
---|
725 |
|
---|
726 | ast::TypeDecl const * td = i->strict_as<ast::TypeDecl>();
|
---|
727 | std::vector<ast::ptr<ast::DeclWithType>> newAssertions;
|
---|
728 | auto mutTypeDecl = ast::mutate( td );
|
---|
729 | const CodeLocation & location = mutTypeDecl->location;
|
---|
730 | *i = mutTypeDecl;
|
---|
731 |
|
---|
732 | // add assertion parameters to `type' tyvars in reverse order
|
---|
733 | // add assignment operator: T * ?=?(T *, T)
|
---|
734 | newAssertions.push_back( new ast::FunctionDecl(
|
---|
735 | location,
|
---|
736 | "?=?",
|
---|
737 | {}, // forall
|
---|
738 | {}, // assertions
|
---|
739 | {
|
---|
740 | new ast::ObjectDecl(
|
---|
741 | location,
|
---|
742 | "",
|
---|
743 | new ast::ReferenceType( i->get() ),
|
---|
744 | (ast::Init *)nullptr,
|
---|
745 | ast::Storage::Classes(),
|
---|
746 | ast::Linkage::Cforall,
|
---|
747 | (ast::Expr *)nullptr
|
---|
748 | ),
|
---|
749 | new ast::ObjectDecl(
|
---|
750 | location,
|
---|
751 | "",
|
---|
752 | i->get(),
|
---|
753 | (ast::Init *)nullptr,
|
---|
754 | ast::Storage::Classes(),
|
---|
755 | ast::Linkage::Cforall,
|
---|
756 | (ast::Expr *)nullptr
|
---|
757 | ),
|
---|
758 | }, // params
|
---|
759 | {
|
---|
760 | new ast::ObjectDecl(
|
---|
761 | location,
|
---|
762 | "",
|
---|
763 | i->get(),
|
---|
764 | (ast::Init *)nullptr,
|
---|
765 | ast::Storage::Classes(),
|
---|
766 | ast::Linkage::Cforall,
|
---|
767 | (ast::Expr *)nullptr
|
---|
768 | ),
|
---|
769 | }, // returns
|
---|
770 | (ast::CompoundStmt *)nullptr,
|
---|
771 | ast::Storage::Classes(),
|
---|
772 | ast::Linkage::Cforall
|
---|
773 | ) );
|
---|
774 |
|
---|
775 | // add default ctor: void ?{}(T *)
|
---|
776 | newAssertions.push_back( new ast::FunctionDecl(
|
---|
777 | location,
|
---|
778 | "?{}",
|
---|
779 | {}, // forall
|
---|
780 | {}, // assertions
|
---|
781 | {
|
---|
782 | new ast::ObjectDecl(
|
---|
783 | location,
|
---|
784 | "",
|
---|
785 | new ast::ReferenceType( i->get() ),
|
---|
786 | (ast::Init *)nullptr,
|
---|
787 | ast::Storage::Classes(),
|
---|
788 | ast::Linkage::Cforall,
|
---|
789 | (ast::Expr *)nullptr
|
---|
790 | ),
|
---|
791 | }, // params
|
---|
792 | {}, // returns
|
---|
793 | (ast::CompoundStmt *)nullptr,
|
---|
794 | ast::Storage::Classes(),
|
---|
795 | ast::Linkage::Cforall
|
---|
796 | ) );
|
---|
797 |
|
---|
798 | // add copy ctor: void ?{}(T *, T)
|
---|
799 | newAssertions.push_back( new ast::FunctionDecl(
|
---|
800 | location,
|
---|
801 | "?{}",
|
---|
802 | {}, // forall
|
---|
803 | {}, // assertions
|
---|
804 | {
|
---|
805 | new ast::ObjectDecl(
|
---|
806 | location,
|
---|
807 | "",
|
---|
808 | new ast::ReferenceType( i->get() ),
|
---|
809 | (ast::Init *)nullptr,
|
---|
810 | ast::Storage::Classes(),
|
---|
811 | ast::Linkage::Cforall,
|
---|
812 | (ast::Expr *)nullptr
|
---|
813 | ),
|
---|
814 | new ast::ObjectDecl(
|
---|
815 | location,
|
---|
816 | "",
|
---|
817 | i->get(),
|
---|
818 | (ast::Init *)nullptr,
|
---|
819 | ast::Storage::Classes(),
|
---|
820 | ast::Linkage::Cforall,
|
---|
821 | (ast::Expr *)nullptr
|
---|
822 | ),
|
---|
823 | }, // params
|
---|
824 | {}, // returns
|
---|
825 | (ast::CompoundStmt *)nullptr,
|
---|
826 | ast::Storage::Classes(),
|
---|
827 | ast::Linkage::Cforall
|
---|
828 | ) );
|
---|
829 |
|
---|
830 | // add dtor: void ^?{}(T *)
|
---|
831 | newAssertions.push_back( new ast::FunctionDecl(
|
---|
832 | location,
|
---|
833 | "^?{}",
|
---|
834 | {}, // forall
|
---|
835 | {}, // assertions
|
---|
836 | {
|
---|
837 | new ast::ObjectDecl(
|
---|
838 | location,
|
---|
839 | "",
|
---|
840 | new ast::ReferenceType( i->get() ),
|
---|
841 | (ast::Init *)nullptr,
|
---|
842 | ast::Storage::Classes(),
|
---|
843 | ast::Linkage::Cforall,
|
---|
844 | (ast::Expr *)nullptr
|
---|
845 | ),
|
---|
846 | }, // params
|
---|
847 | {}, // returns
|
---|
848 | (ast::CompoundStmt *)nullptr,
|
---|
849 | ast::Storage::Classes(),
|
---|
850 | ast::Linkage::Cforall
|
---|
851 | ) );
|
---|
852 |
|
---|
853 | spliceBegin( mutTypeDecl->assertions, newAssertions );
|
---|
854 | } // for
|
---|
855 | }
|
---|
856 |
|
---|
857 |
|
---|
858 | void buildForall(
|
---|
859 | const DeclarationNode * firstNode,
|
---|
860 | std::vector<ast::ptr<ast::TypeDecl>> &outputForall ) {
|
---|
861 | buildList( firstNode, outputForall );
|
---|
862 | auto n = firstNode;
|
---|
863 | for ( auto i = outputForall.begin() ;
|
---|
864 | i != outputForall.end() ;
|
---|
865 | ++i, n = n->next ) {
|
---|
866 | // Only the object type class adds additional assertions.
|
---|
867 | if ( n->variable.tyClass != ast::TypeDecl::Otype ) {
|
---|
868 | continue;
|
---|
869 | }
|
---|
870 |
|
---|
871 | ast::TypeDecl const * td = i->strict_as<ast::TypeDecl>();
|
---|
872 | std::vector<ast::ptr<ast::DeclWithType>> newAssertions;
|
---|
873 | auto mutTypeDecl = ast::mutate( td );
|
---|
874 | const CodeLocation & location = mutTypeDecl->location;
|
---|
875 | *i = mutTypeDecl;
|
---|
876 |
|
---|
877 | // add assertion parameters to `type' tyvars in reverse order
|
---|
878 | // add assignment operator: T * ?=?(T *, T)
|
---|
879 | newAssertions.push_back( new ast::FunctionDecl(
|
---|
880 | location,
|
---|
881 | "?=?",
|
---|
882 | {}, // forall
|
---|
883 | {}, // assertions
|
---|
884 | {
|
---|
885 | new ast::ObjectDecl(
|
---|
886 | location,
|
---|
887 | "",
|
---|
888 | new ast::ReferenceType( new ast::TypeInstType( td->name, *i ) ),
|
---|
889 | (ast::Init *)nullptr,
|
---|
890 | ast::Storage::Classes(),
|
---|
891 | ast::Linkage::Cforall,
|
---|
892 | (ast::Expr *)nullptr
|
---|
893 | ),
|
---|
894 | new ast::ObjectDecl(
|
---|
895 | location,
|
---|
896 | "",
|
---|
897 | new ast::TypeInstType( td->name, *i ),
|
---|
898 | (ast::Init *)nullptr,
|
---|
899 | ast::Storage::Classes(),
|
---|
900 | ast::Linkage::Cforall,
|
---|
901 | (ast::Expr *)nullptr
|
---|
902 | ),
|
---|
903 | }, // params
|
---|
904 | {
|
---|
905 | new ast::ObjectDecl(
|
---|
906 | location,
|
---|
907 | "",
|
---|
908 | new ast::TypeInstType( td->name, *i ),
|
---|
909 | (ast::Init *)nullptr,
|
---|
910 | ast::Storage::Classes(),
|
---|
911 | ast::Linkage::Cforall,
|
---|
912 | (ast::Expr *)nullptr
|
---|
913 | ),
|
---|
914 | }, // returns
|
---|
915 | (ast::CompoundStmt *)nullptr,
|
---|
916 | ast::Storage::Classes(),
|
---|
917 | ast::Linkage::Cforall
|
---|
918 | ) );
|
---|
919 |
|
---|
920 | // add default ctor: void ?{}(T *)
|
---|
921 | newAssertions.push_back( new ast::FunctionDecl(
|
---|
922 | location,
|
---|
923 | "?{}",
|
---|
924 | {}, // forall
|
---|
925 | {}, // assertions
|
---|
926 | {
|
---|
927 | new ast::ObjectDecl(
|
---|
928 | location,
|
---|
929 | "",
|
---|
930 | new ast::ReferenceType(
|
---|
931 | new ast::TypeInstType( td->name, i->get() ) ),
|
---|
932 | (ast::Init *)nullptr,
|
---|
933 | ast::Storage::Classes(),
|
---|
934 | ast::Linkage::Cforall,
|
---|
935 | (ast::Expr *)nullptr
|
---|
936 | ),
|
---|
937 | }, // params
|
---|
938 | {}, // returns
|
---|
939 | (ast::CompoundStmt *)nullptr,
|
---|
940 | ast::Storage::Classes(),
|
---|
941 | ast::Linkage::Cforall
|
---|
942 | ) );
|
---|
943 |
|
---|
944 | // add copy ctor: void ?{}(T *, T)
|
---|
945 | newAssertions.push_back( new ast::FunctionDecl(
|
---|
946 | location,
|
---|
947 | "?{}",
|
---|
948 | {}, // forall
|
---|
949 | {}, // assertions
|
---|
950 | {
|
---|
951 | new ast::ObjectDecl(
|
---|
952 | location,
|
---|
953 | "",
|
---|
954 | new ast::ReferenceType(
|
---|
955 | new ast::TypeInstType( td->name, *i ) ),
|
---|
956 | (ast::Init *)nullptr,
|
---|
957 | ast::Storage::Classes(),
|
---|
958 | ast::Linkage::Cforall,
|
---|
959 | (ast::Expr *)nullptr
|
---|
960 | ),
|
---|
961 | new ast::ObjectDecl(
|
---|
962 | location,
|
---|
963 | "",
|
---|
964 | new ast::TypeInstType( td->name, *i ),
|
---|
965 | (ast::Init *)nullptr,
|
---|
966 | ast::Storage::Classes(),
|
---|
967 | ast::Linkage::Cforall,
|
---|
968 | (ast::Expr *)nullptr
|
---|
969 | ),
|
---|
970 | }, // params
|
---|
971 | {}, // returns
|
---|
972 | (ast::CompoundStmt *)nullptr,
|
---|
973 | ast::Storage::Classes(),
|
---|
974 | ast::Linkage::Cforall
|
---|
975 | ) );
|
---|
976 |
|
---|
977 | // add dtor: void ^?{}(T *)
|
---|
978 | newAssertions.push_back( new ast::FunctionDecl(
|
---|
979 | location,
|
---|
980 | "^?{}",
|
---|
981 | {}, // forall
|
---|
982 | {}, // assertions
|
---|
983 | {
|
---|
984 | new ast::ObjectDecl(
|
---|
985 | location,
|
---|
986 | "",
|
---|
987 | new ast::ReferenceType(
|
---|
988 | new ast::TypeInstType( i->get() )
|
---|
989 | ),
|
---|
990 | (ast::Init *)nullptr,
|
---|
991 | ast::Storage::Classes(),
|
---|
992 | ast::Linkage::Cforall,
|
---|
993 | (ast::Expr *)nullptr
|
---|
994 | ),
|
---|
995 | }, // params
|
---|
996 | {}, // returns
|
---|
997 | (ast::CompoundStmt *)nullptr,
|
---|
998 | ast::Storage::Classes(),
|
---|
999 | ast::Linkage::Cforall
|
---|
1000 | ) );
|
---|
1001 |
|
---|
1002 | spliceBegin( mutTypeDecl->assertions, newAssertions );
|
---|
1003 | } // for
|
---|
1004 | } // buildForall
|
---|
1005 |
|
---|
1006 |
|
---|
1007 | ast::Type * typebuild( const TypeData * td ) {
|
---|
1008 | assert( td );
|
---|
1009 | switch ( td->kind ) {
|
---|
1010 | case TypeData::Unknown:
|
---|
1011 | // fill in implicit int
|
---|
1012 | return new ast::BasicType(
|
---|
1013 | ast::BasicKind::SignedInt,
|
---|
1014 | buildQualifiers( td )
|
---|
1015 | );
|
---|
1016 | case TypeData::Basic:
|
---|
1017 | return buildBasicType( td );
|
---|
1018 | case TypeData::Pointer:
|
---|
1019 | return buildPointer( td );
|
---|
1020 | case TypeData::Array:
|
---|
1021 | return buildArray( td );
|
---|
1022 | case TypeData::Reference:
|
---|
1023 | return buildReference( td );
|
---|
1024 | case TypeData::Function:
|
---|
1025 | return buildFunctionType( td );
|
---|
1026 | case TypeData::AggregateInst:
|
---|
1027 | return buildAggInst( td );
|
---|
1028 | case TypeData::EnumConstant:
|
---|
1029 | return new ast::EnumInstType( "", buildQualifiers( td ) );
|
---|
1030 | case TypeData::SymbolicInst:
|
---|
1031 | return buildSymbolicInst( td );
|
---|
1032 | case TypeData::Tuple:
|
---|
1033 | return buildTuple( td );
|
---|
1034 | case TypeData::Typeof:
|
---|
1035 | case TypeData::Basetypeof:
|
---|
1036 | return buildTypeof( td );
|
---|
1037 | case TypeData::Vtable:
|
---|
1038 | return buildVtable( td );
|
---|
1039 | case TypeData::Builtin:
|
---|
1040 | switch ( td->builtintype ) {
|
---|
1041 | case TypeData::Zero:
|
---|
1042 | return new ast::ZeroType();
|
---|
1043 | case TypeData::One:
|
---|
1044 | return new ast::OneType();
|
---|
1045 | default:
|
---|
1046 | return new ast::VarArgsType( buildQualifiers( td ) );
|
---|
1047 | } // switch
|
---|
1048 | case TypeData::GlobalScope:
|
---|
1049 | return new ast::GlobalScopeType();
|
---|
1050 | case TypeData::Qualified:
|
---|
1051 | return new ast::QualifiedType(
|
---|
1052 | typebuild( td->qualified.parent ),
|
---|
1053 | typebuild( td->qualified.child ),
|
---|
1054 | buildQualifiers( td )
|
---|
1055 | );
|
---|
1056 | case TypeData::Symbolic:
|
---|
1057 | case TypeData::Aggregate:
|
---|
1058 | assert( false );
|
---|
1059 | } // switch
|
---|
1060 |
|
---|
1061 | return nullptr;
|
---|
1062 | } // typebuild
|
---|
1063 |
|
---|
1064 |
|
---|
1065 | TypeData * typeextractAggregate( const TypeData * td, bool toplevel ) {
|
---|
1066 | TypeData * ret = nullptr;
|
---|
1067 |
|
---|
1068 | switch ( td->kind ) {
|
---|
1069 | case TypeData::Aggregate:
|
---|
1070 | if ( ! toplevel && td->aggregate.body ) {
|
---|
1071 | ret = td->clone();
|
---|
1072 | } // if
|
---|
1073 | break;
|
---|
1074 | case TypeData::AggregateInst:
|
---|
1075 | if ( td->aggInst.aggregate ) {
|
---|
1076 | ret = typeextractAggregate( td->aggInst.aggregate, false );
|
---|
1077 | } // if
|
---|
1078 | break;
|
---|
1079 | default:
|
---|
1080 | if ( td->base ) {
|
---|
1081 | ret = typeextractAggregate( td->base, false );
|
---|
1082 | } // if
|
---|
1083 | } // switch
|
---|
1084 | return ret;
|
---|
1085 | } // typeextractAggregate
|
---|
1086 |
|
---|
1087 |
|
---|
1088 | ast::CV::Qualifiers buildQualifiers( const TypeData * td ) {
|
---|
1089 | return td->qualifiers;
|
---|
1090 | } // buildQualifiers
|
---|
1091 |
|
---|
1092 |
|
---|
1093 | static string genTSError( string msg, TypeData::BasicType basictype ) {
|
---|
1094 | SemanticError( yylloc, "invalid type specifier \"%s\" for type \"%s\".", msg.c_str(), TypeData::basicTypeNames[basictype] );
|
---|
1095 | } // genTSError
|
---|
1096 |
|
---|
1097 | ast::Type * buildBasicType( const TypeData * td ) {
|
---|
1098 | ast::BasicKind ret;
|
---|
1099 |
|
---|
1100 | switch ( td->basictype ) {
|
---|
1101 | case TypeData::Void:
|
---|
1102 | if ( td->signedness != TypeData::NoSignedness ) {
|
---|
1103 | genTSError( TypeData::signednessNames[ td->signedness ], td->basictype );
|
---|
1104 | } // if
|
---|
1105 | if ( td->length != TypeData::NoLength ) {
|
---|
1106 | genTSError( TypeData::lengthNames[ td->length ], td->basictype );
|
---|
1107 | } // if
|
---|
1108 | return new ast::VoidType( buildQualifiers( td ) );
|
---|
1109 | break;
|
---|
1110 |
|
---|
1111 | case TypeData::Bool:
|
---|
1112 | if ( td->signedness != TypeData::NoSignedness ) {
|
---|
1113 | genTSError( TypeData::signednessNames[ td->signedness ], td->basictype );
|
---|
1114 | } // if
|
---|
1115 | if ( td->length != TypeData::NoLength ) {
|
---|
1116 | genTSError( TypeData::lengthNames[ td->length ], td->basictype );
|
---|
1117 | } // if
|
---|
1118 |
|
---|
1119 | ret = ast::BasicKind::Bool;
|
---|
1120 | break;
|
---|
1121 |
|
---|
1122 | case TypeData::Char:
|
---|
1123 | // C11 Standard 6.2.5.15: The three types char, signed char, and unsigned char are collectively called the
|
---|
1124 | // character types. The implementation shall define char to have the same range, representation, and behavior as
|
---|
1125 | // either signed char or unsigned char.
|
---|
1126 | static ast::BasicKind chartype[] = { ast::BasicKind::SignedChar, ast::BasicKind::UnsignedChar, ast::BasicKind::Char };
|
---|
1127 |
|
---|
1128 | if ( td->length != TypeData::NoLength ) {
|
---|
1129 | genTSError( TypeData::lengthNames[ td->length ], td->basictype );
|
---|
1130 | } // if
|
---|
1131 |
|
---|
1132 | ret = chartype[ td->signedness ];
|
---|
1133 | break;
|
---|
1134 |
|
---|
1135 | case TypeData::Int:
|
---|
1136 | static ast::BasicKind inttype[2][4] = {
|
---|
1137 | { ast::BasicKind::ShortSignedInt, ast::BasicKind::LongSignedInt, ast::BasicKind::LongLongSignedInt, ast::BasicKind::SignedInt },
|
---|
1138 | { ast::BasicKind::ShortUnsignedInt, ast::BasicKind::LongUnsignedInt, ast::BasicKind::LongLongUnsignedInt, ast::BasicKind::UnsignedInt },
|
---|
1139 | };
|
---|
1140 |
|
---|
1141 | Integral: ;
|
---|
1142 | if ( td->signedness == TypeData::NoSignedness ) {
|
---|
1143 | const_cast<TypeData *>(td)->signedness = TypeData::Signed;
|
---|
1144 | } // if
|
---|
1145 | ret = inttype[ td->signedness ][ td->length ];
|
---|
1146 | break;
|
---|
1147 |
|
---|
1148 | case TypeData::Int128:
|
---|
1149 | ret = td->signedness == TypeData::Unsigned ? ast::BasicKind::UnsignedInt128 : ast::BasicKind::SignedInt128;
|
---|
1150 | if ( td->length != TypeData::NoLength ) {
|
---|
1151 | genTSError( TypeData::lengthNames[ td->length ], td->basictype );
|
---|
1152 | } // if
|
---|
1153 | break;
|
---|
1154 |
|
---|
1155 | case TypeData::Float:
|
---|
1156 | case TypeData::Double:
|
---|
1157 | case TypeData::LongDouble: // not set until below
|
---|
1158 | case TypeData::uuFloat80:
|
---|
1159 | case TypeData::uuFloat128:
|
---|
1160 | case TypeData::uFloat16:
|
---|
1161 | case TypeData::uFloat32:
|
---|
1162 | case TypeData::uFloat32x:
|
---|
1163 | case TypeData::uFloat64:
|
---|
1164 | case TypeData::uFloat64x:
|
---|
1165 | case TypeData::uFloat128:
|
---|
1166 | case TypeData::uFloat128x:
|
---|
1167 | static ast::BasicKind floattype[2][12] = {
|
---|
1168 | { ast::BasicKind::FloatComplex, ast::BasicKind::DoubleComplex, ast::BasicKind::LongDoubleComplex, (ast::BasicKind)-1, (ast::BasicKind)-1, ast::BasicKind::uFloat16Complex, ast::BasicKind::uFloat32Complex, ast::BasicKind::uFloat32xComplex, ast::BasicKind::uFloat64Complex, ast::BasicKind::uFloat64xComplex, ast::BasicKind::uFloat128Complex, ast::BasicKind::uFloat128xComplex, },
|
---|
1169 | { ast::BasicKind::Float, ast::BasicKind::Double, ast::BasicKind::LongDouble, ast::BasicKind::uuFloat80, ast::BasicKind::uuFloat128, ast::BasicKind::uFloat16, ast::BasicKind::uFloat32, ast::BasicKind::uFloat32x, ast::BasicKind::uFloat64, ast::BasicKind::uFloat64x, ast::BasicKind::uFloat128, ast::BasicKind::uFloat128x, },
|
---|
1170 | };
|
---|
1171 |
|
---|
1172 | FloatingPoint: ;
|
---|
1173 | if ( td->signedness != TypeData::NoSignedness ) {
|
---|
1174 | genTSError( TypeData::signednessNames[ td->signedness ], td->basictype );
|
---|
1175 | } // if
|
---|
1176 | if ( td->length == TypeData::Short || td->length == TypeData::LongLong ) {
|
---|
1177 | genTSError( TypeData::lengthNames[ td->length ], td->basictype );
|
---|
1178 | } // if
|
---|
1179 | if ( td->basictype != TypeData::Double && td->length == TypeData::Long ) {
|
---|
1180 | genTSError( TypeData::lengthNames[ td->length ], td->basictype );
|
---|
1181 | } // if
|
---|
1182 | if ( td->complextype == TypeData::Imaginary ) {
|
---|
1183 | genTSError( TypeData::complexTypeNames[ td->complextype ], td->basictype );
|
---|
1184 | } // if
|
---|
1185 | if ( (td->basictype == TypeData::uuFloat80 || td->basictype == TypeData::uuFloat128) && td->complextype == TypeData::Complex ) { // gcc unsupported
|
---|
1186 | genTSError( TypeData::complexTypeNames[ td->complextype ], td->basictype );
|
---|
1187 | } // if
|
---|
1188 | if ( td->length == TypeData::Long ) {
|
---|
1189 | const_cast<TypeData *>(td)->basictype = TypeData::LongDouble;
|
---|
1190 | } // if
|
---|
1191 |
|
---|
1192 | ret = floattype[ td->complextype ][ td->basictype - TypeData::Float ];
|
---|
1193 | //printf( "XXXX %d %d %d %d\n", td->complextype, td->basictype, TypeData::Float, ret );
|
---|
1194 | break;
|
---|
1195 |
|
---|
1196 | case TypeData::NoBasicType:
|
---|
1197 | // No basic type in declaration => default double for Complex/Imaginary and int type for integral types
|
---|
1198 | if ( td->complextype == TypeData::Complex || td->complextype == TypeData::Imaginary ) {
|
---|
1199 | const_cast<TypeData *>(td)->basictype = TypeData::Double;
|
---|
1200 | goto FloatingPoint;
|
---|
1201 | } // if
|
---|
1202 |
|
---|
1203 | const_cast<TypeData *>(td)->basictype = TypeData::Int;
|
---|
1204 | goto Integral;
|
---|
1205 | default:
|
---|
1206 | assertf( false, "unknown basic type" );
|
---|
1207 | return nullptr;
|
---|
1208 | } // switch
|
---|
1209 |
|
---|
1210 | ast::BasicType * bt = new ast::BasicType( ret, buildQualifiers( td ) );
|
---|
1211 | return bt;
|
---|
1212 | } // buildBasicType
|
---|
1213 |
|
---|
1214 |
|
---|
1215 | static ast::Type * buildDefaultType( const TypeData * td ) {
|
---|
1216 | return ( td ) ? typebuild( td ) : new ast::BasicType( ast::BasicKind::SignedInt );
|
---|
1217 | } // buildDefaultType
|
---|
1218 |
|
---|
1219 |
|
---|
1220 | ast::PointerType * buildPointer( const TypeData * td ) {
|
---|
1221 | return new ast::PointerType(
|
---|
1222 | buildDefaultType( td->base ),
|
---|
1223 | buildQualifiers( td )
|
---|
1224 | );
|
---|
1225 | } // buildPointer
|
---|
1226 |
|
---|
1227 |
|
---|
1228 | ast::ArrayType * buildArray( const TypeData * td ) {
|
---|
1229 | return new ast::ArrayType(
|
---|
1230 | buildDefaultType( td->base ),
|
---|
1231 | maybeBuild( td->array.dimension ),
|
---|
1232 | td->array.isVarLen ? ast::VariableLen : ast::FixedLen,
|
---|
1233 | td->array.isStatic ? ast::StaticDim : ast::DynamicDim,
|
---|
1234 | buildQualifiers( td )
|
---|
1235 | );
|
---|
1236 | } // buildArray
|
---|
1237 |
|
---|
1238 |
|
---|
1239 | ast::ReferenceType * buildReference( const TypeData * td ) {
|
---|
1240 | return new ast::ReferenceType(
|
---|
1241 | buildDefaultType( td->base ),
|
---|
1242 | buildQualifiers( td )
|
---|
1243 | );
|
---|
1244 | } // buildReference
|
---|
1245 |
|
---|
1246 |
|
---|
1247 | ast::AggregateDecl * buildAggregate( const TypeData * td, std::vector<ast::ptr<ast::Attribute>> attributes, ast::Linkage::Spec linkage ) {
|
---|
1248 | assert( td->kind == TypeData::Aggregate );
|
---|
1249 | ast::AggregateDecl * at;
|
---|
1250 | switch ( td->aggregate.kind ) {
|
---|
1251 | case ast::AggregateDecl::Struct:
|
---|
1252 | case ast::AggregateDecl::Coroutine:
|
---|
1253 | case ast::AggregateDecl::Exception:
|
---|
1254 | case ast::AggregateDecl::Generator:
|
---|
1255 | case ast::AggregateDecl::Monitor:
|
---|
1256 | case ast::AggregateDecl::Thread:
|
---|
1257 | at = new ast::StructDecl( td->location,
|
---|
1258 | *td->aggregate.name,
|
---|
1259 | td->aggregate.kind,
|
---|
1260 | std::move( attributes ),
|
---|
1261 | linkage
|
---|
1262 | );
|
---|
1263 | buildForall( td->aggregate.params, at->params );
|
---|
1264 | break;
|
---|
1265 | case ast::AggregateDecl::Union:
|
---|
1266 | at = new ast::UnionDecl( td->location,
|
---|
1267 | *td->aggregate.name,
|
---|
1268 | std::move( attributes ),
|
---|
1269 | linkage
|
---|
1270 | );
|
---|
1271 | buildForall( td->aggregate.params, at->params );
|
---|
1272 | break;
|
---|
1273 | case ast::AggregateDecl::Enum:
|
---|
1274 | return buildEnum( td, std::move( attributes ), linkage );
|
---|
1275 | case ast::AggregateDecl::Trait:
|
---|
1276 | at = new ast::TraitDecl( td->location,
|
---|
1277 | *td->aggregate.name,
|
---|
1278 | std::move( attributes ),
|
---|
1279 | linkage
|
---|
1280 | );
|
---|
1281 | buildList( td->aggregate.params, at->params );
|
---|
1282 | break;
|
---|
1283 | default:
|
---|
1284 | assert( false );
|
---|
1285 | } // switch
|
---|
1286 |
|
---|
1287 | buildList( td->aggregate.fields, at->members );
|
---|
1288 | at->set_body( td->aggregate.body );
|
---|
1289 |
|
---|
1290 | return at;
|
---|
1291 | } // buildAggregate
|
---|
1292 |
|
---|
1293 |
|
---|
1294 | ast::BaseInstType * buildComAggInst(
|
---|
1295 | const TypeData * td,
|
---|
1296 | std::vector<ast::ptr<ast::Attribute>> && attributes,
|
---|
1297 | ast::Linkage::Spec linkage ) {
|
---|
1298 | switch ( td->kind ) {
|
---|
1299 | case TypeData::Aggregate:
|
---|
1300 | if ( td->aggregate.body ) {
|
---|
1301 | ast::AggregateDecl * typedecl =
|
---|
1302 | buildAggregate( td, std::move( attributes ), linkage );
|
---|
1303 | switch ( td->aggregate.kind ) {
|
---|
1304 | case ast::AggregateDecl::Struct:
|
---|
1305 | case ast::AggregateDecl::Coroutine:
|
---|
1306 | case ast::AggregateDecl::Monitor:
|
---|
1307 | case ast::AggregateDecl::Thread:
|
---|
1308 | return new ast::StructInstType(
|
---|
1309 | strict_dynamic_cast<ast::StructDecl *>( typedecl ),
|
---|
1310 | buildQualifiers( td )
|
---|
1311 | );
|
---|
1312 | case ast::AggregateDecl::Union:
|
---|
1313 | return new ast::UnionInstType(
|
---|
1314 | strict_dynamic_cast<ast::UnionDecl *>( typedecl ),
|
---|
1315 | buildQualifiers( td )
|
---|
1316 | );
|
---|
1317 | case ast::AggregateDecl::Enum:
|
---|
1318 | return new ast::EnumInstType(
|
---|
1319 | strict_dynamic_cast<ast::EnumDecl *>( typedecl ),
|
---|
1320 | buildQualifiers( td )
|
---|
1321 | );
|
---|
1322 | case ast::AggregateDecl::Trait:
|
---|
1323 | assert( false );
|
---|
1324 | break;
|
---|
1325 | default:
|
---|
1326 | assert( false );
|
---|
1327 | } // switch
|
---|
1328 | } else {
|
---|
1329 | switch ( td->aggregate.kind ) {
|
---|
1330 | case ast::AggregateDecl::Struct:
|
---|
1331 | case ast::AggregateDecl::Coroutine:
|
---|
1332 | case ast::AggregateDecl::Monitor:
|
---|
1333 | case ast::AggregateDecl::Thread:
|
---|
1334 | return new ast::StructInstType(
|
---|
1335 | *td->aggregate.name,
|
---|
1336 | buildQualifiers( td )
|
---|
1337 | );
|
---|
1338 | case ast::AggregateDecl::Union:
|
---|
1339 | return new ast::UnionInstType(
|
---|
1340 | *td->aggregate.name,
|
---|
1341 | buildQualifiers( td )
|
---|
1342 | );
|
---|
1343 | case ast::AggregateDecl::Enum:
|
---|
1344 | return new ast::EnumInstType(
|
---|
1345 | *td->aggregate.name,
|
---|
1346 | buildQualifiers( td )
|
---|
1347 | );
|
---|
1348 | case ast::AggregateDecl::Trait:
|
---|
1349 | return new ast::TraitInstType(
|
---|
1350 | *td->aggregate.name,
|
---|
1351 | buildQualifiers( td )
|
---|
1352 | );
|
---|
1353 | default:
|
---|
1354 | assert( false );
|
---|
1355 | } // switch
|
---|
1356 | break;
|
---|
1357 | } // if
|
---|
1358 | break;
|
---|
1359 | default:
|
---|
1360 | assert( false );
|
---|
1361 | } // switch
|
---|
1362 | assert( false );
|
---|
1363 | } // buildAggInst
|
---|
1364 |
|
---|
1365 |
|
---|
1366 | ast::BaseInstType * buildAggInst( const TypeData * td ) {
|
---|
1367 | assert( td->kind == TypeData::AggregateInst );
|
---|
1368 |
|
---|
1369 | ast::BaseInstType * ret = nullptr;
|
---|
1370 | TypeData * type = td->aggInst.aggregate;
|
---|
1371 | switch ( type->kind ) {
|
---|
1372 | case TypeData::Aggregate:
|
---|
1373 | switch ( type->aggregate.kind ) {
|
---|
1374 | case ast::AggregateDecl::Struct:
|
---|
1375 | case ast::AggregateDecl::Coroutine:
|
---|
1376 | case ast::AggregateDecl::Monitor:
|
---|
1377 | case ast::AggregateDecl::Thread:
|
---|
1378 | ret = new ast::StructInstType(
|
---|
1379 | *type->aggregate.name,
|
---|
1380 | buildQualifiers( type )
|
---|
1381 | );
|
---|
1382 | break;
|
---|
1383 | case ast::AggregateDecl::Union:
|
---|
1384 | ret = new ast::UnionInstType(
|
---|
1385 | *type->aggregate.name,
|
---|
1386 | buildQualifiers( type )
|
---|
1387 | );
|
---|
1388 | break;
|
---|
1389 | case ast::AggregateDecl::Enum:
|
---|
1390 | ret = new ast::EnumInstType(
|
---|
1391 | *type->aggregate.name,
|
---|
1392 | buildQualifiers( type )
|
---|
1393 | );
|
---|
1394 | break;
|
---|
1395 | case ast::AggregateDecl::Trait:
|
---|
1396 | ret = new ast::TraitInstType(
|
---|
1397 | *type->aggregate.name,
|
---|
1398 | buildQualifiers( type )
|
---|
1399 | );
|
---|
1400 | break;
|
---|
1401 | default:
|
---|
1402 | assert( false );
|
---|
1403 | } // switch
|
---|
1404 | break;
|
---|
1405 | default:
|
---|
1406 | assert( false );
|
---|
1407 | } // switch
|
---|
1408 |
|
---|
1409 | ret->hoistType = td->aggInst.hoistType;
|
---|
1410 | buildList( td->aggInst.params, ret->params );
|
---|
1411 | return ret;
|
---|
1412 | } // buildAggInst
|
---|
1413 |
|
---|
1414 |
|
---|
1415 | ast::NamedTypeDecl * buildSymbolic(
|
---|
1416 | const TypeData * td,
|
---|
1417 | std::vector<ast::ptr<ast::Attribute>> attributes,
|
---|
1418 | const std::string & name,
|
---|
1419 | ast::Storage::Classes scs,
|
---|
1420 | ast::Linkage::Spec linkage ) {
|
---|
1421 | assert( td->kind == TypeData::Symbolic );
|
---|
1422 | ast::NamedTypeDecl * ret;
|
---|
1423 | assert( td->base );
|
---|
1424 | if ( td->symbolic.isTypedef ) {
|
---|
1425 | ret = new ast::TypedefDecl(
|
---|
1426 | td->location,
|
---|
1427 | name,
|
---|
1428 | scs,
|
---|
1429 | typebuild( td->base ),
|
---|
1430 | linkage
|
---|
1431 | );
|
---|
1432 | } else {
|
---|
1433 | ret = new ast::TypeDecl(
|
---|
1434 | td->location,
|
---|
1435 | name,
|
---|
1436 | scs,
|
---|
1437 | typebuild( td->base ),
|
---|
1438 | ast::TypeDecl::Dtype,
|
---|
1439 | true
|
---|
1440 | );
|
---|
1441 | } // if
|
---|
1442 | buildList( td->symbolic.assertions, ret->assertions );
|
---|
1443 | splice( ret->base.get_and_mutate()->attributes, attributes );
|
---|
1444 | return ret;
|
---|
1445 | } // buildSymbolic
|
---|
1446 |
|
---|
1447 |
|
---|
1448 | ast::EnumDecl * buildEnum(
|
---|
1449 | const TypeData * td,
|
---|
1450 | std::vector<ast::ptr<ast::Attribute>> && attributes,
|
---|
1451 | ast::Linkage::Spec linkage ) {
|
---|
1452 | assert( td->kind == TypeData::Aggregate );
|
---|
1453 | assert( td->aggregate.kind == ast::AggregateDecl::Enum );
|
---|
1454 | ast::Type * baseType = td->base ? typebuild(td->base) : nullptr;
|
---|
1455 | ast::EnumDecl * ret = new ast::EnumDecl(
|
---|
1456 | td->location,
|
---|
1457 | *td->aggregate.name,
|
---|
1458 | td->aggregate.typed,
|
---|
1459 | std::move( attributes ),
|
---|
1460 | linkage,
|
---|
1461 | baseType
|
---|
1462 | );
|
---|
1463 | buildList( td->aggregate.fields, ret->members );
|
---|
1464 | auto members = ret->members.begin();
|
---|
1465 | ret->hide = td->aggregate.hiding == EnumHiding::Hide ? ast::EnumDecl::EnumHiding::Hide : ast::EnumDecl::EnumHiding::Visible;
|
---|
1466 | for ( const DeclarationNode * cur = td->aggregate.fields ; cur != nullptr ; cur = cur->next, ++members ) {
|
---|
1467 | if (cur->enumInLine) continue;
|
---|
1468 | ast::Decl * member = members->get_and_mutate();
|
---|
1469 | ast::ObjectDecl * object = strict_dynamic_cast<ast::ObjectDecl *>( member );
|
---|
1470 | object->isHidden = ast::EnumDecl::EnumHiding::Hide == ret->hide;
|
---|
1471 | if ( ret->isTyped && !ret->base && cur->has_enumeratorValue() ) {
|
---|
1472 | SemanticError( td->location, "Enumerator of enum(void) cannot have an explicit initializer value." );
|
---|
1473 | } else if ( cur->has_enumeratorValue() ) {
|
---|
1474 | object->init = new ast::SingleInit(
|
---|
1475 | td->location,
|
---|
1476 | maybeMoveBuild( cur->consume_enumeratorValue() ),
|
---|
1477 | ast::NoConstruct
|
---|
1478 | );
|
---|
1479 | }
|
---|
1480 | // else cur is a List Initializer and has been set as init in buildList()
|
---|
1481 | // if
|
---|
1482 | } // for
|
---|
1483 | ret->body = td->aggregate.body;
|
---|
1484 | return ret;
|
---|
1485 | } // buildEnum
|
---|
1486 |
|
---|
1487 |
|
---|
1488 | ast::TypeInstType * buildSymbolicInst( const TypeData * td ) {
|
---|
1489 | assert( td->kind == TypeData::SymbolicInst );
|
---|
1490 | ast::TypeInstType * ret = new ast::TypeInstType(
|
---|
1491 | *td->symbolic.name,
|
---|
1492 | ast::TypeDecl::Dtype,
|
---|
1493 | buildQualifiers( td )
|
---|
1494 | );
|
---|
1495 | buildList( td->symbolic.actuals, ret->params );
|
---|
1496 | return ret;
|
---|
1497 | } // buildSymbolicInst
|
---|
1498 |
|
---|
1499 |
|
---|
1500 | ast::TupleType * buildTuple( const TypeData * td ) {
|
---|
1501 | assert( td->kind == TypeData::Tuple );
|
---|
1502 | std::vector<ast::ptr<ast::Type>> types;
|
---|
1503 | buildTypeList( td->tuple, types );
|
---|
1504 | ast::TupleType * ret = new ast::TupleType(
|
---|
1505 | std::move( types ),
|
---|
1506 | buildQualifiers( td )
|
---|
1507 | );
|
---|
1508 | return ret;
|
---|
1509 | } // buildTuple
|
---|
1510 |
|
---|
1511 |
|
---|
1512 | ast::TypeofType * buildTypeof( const TypeData * td ) {
|
---|
1513 | assert( td->kind == TypeData::Typeof || td->kind == TypeData::Basetypeof );
|
---|
1514 | assert( td->typeexpr );
|
---|
1515 | return new ast::TypeofType(
|
---|
1516 | td->typeexpr->build(),
|
---|
1517 | td->kind == TypeData::Typeof
|
---|
1518 | ? ast::TypeofType::Typeof : ast::TypeofType::Basetypeof,
|
---|
1519 | buildQualifiers( td )
|
---|
1520 | );
|
---|
1521 | } // buildTypeof
|
---|
1522 |
|
---|
1523 |
|
---|
1524 | ast::VTableType * buildVtable( const TypeData * td ) {
|
---|
1525 | assert( td->base );
|
---|
1526 | return new ast::VTableType(
|
---|
1527 | typebuild( td->base ),
|
---|
1528 | buildQualifiers( td )
|
---|
1529 | );
|
---|
1530 | } // buildVtable
|
---|
1531 |
|
---|
1532 |
|
---|
1533 | ast::FunctionDecl * buildFunctionDecl(
|
---|
1534 | const TypeData * td,
|
---|
1535 | const string &name,
|
---|
1536 | ast::Storage::Classes scs,
|
---|
1537 | ast::Function::Specs funcSpec,
|
---|
1538 | ast::Linkage::Spec linkage,
|
---|
1539 | ast::Expr * asmName,
|
---|
1540 | std::vector<ast::ptr<ast::Attribute>> && attributes ) {
|
---|
1541 | assert( td->kind == TypeData::Function );
|
---|
1542 | // For some reason FunctionDecl takes a bool instead of an ArgumentFlag.
|
---|
1543 | bool isVarArgs = !td->function.params || td->function.params->hasEllipsis;
|
---|
1544 | ast::CV::Qualifiers cvq = buildQualifiers( td );
|
---|
1545 | std::vector<ast::ptr<ast::TypeDecl>> forall;
|
---|
1546 | std::vector<ast::ptr<ast::DeclWithType>> assertions;
|
---|
1547 | std::vector<ast::ptr<ast::DeclWithType>> params;
|
---|
1548 | std::vector<ast::ptr<ast::DeclWithType>> returns;
|
---|
1549 | buildList( td->function.params, params );
|
---|
1550 | buildForall( td->forall, forall );
|
---|
1551 | // Functions do not store their assertions there anymore.
|
---|
1552 | for ( ast::ptr<ast::TypeDecl> & type_param : forall ) {
|
---|
1553 | auto mut = type_param.get_and_mutate();
|
---|
1554 | splice( assertions, mut->assertions );
|
---|
1555 | }
|
---|
1556 | if ( td->base ) {
|
---|
1557 | switch ( td->base->kind ) {
|
---|
1558 | case TypeData::Tuple:
|
---|
1559 | buildList( td->base->tuple, returns );
|
---|
1560 | break;
|
---|
1561 | default:
|
---|
1562 | returns.push_back( dynamic_cast<ast::DeclWithType *>(
|
---|
1563 | buildDecl(
|
---|
1564 | td->base,
|
---|
1565 | "",
|
---|
1566 | ast::Storage::Classes(),
|
---|
1567 | (ast::Expr *)nullptr, // bitfieldWidth
|
---|
1568 | ast::Function::Specs(),
|
---|
1569 | ast::Linkage::Cforall,
|
---|
1570 | (ast::Expr *)nullptr // asmName
|
---|
1571 | )
|
---|
1572 | ) );
|
---|
1573 | } // switch
|
---|
1574 | } else {
|
---|
1575 | returns.push_back( new ast::ObjectDecl(
|
---|
1576 | td->location,
|
---|
1577 | "",
|
---|
1578 | new ast::BasicType( ast::BasicKind::SignedInt ),
|
---|
1579 | (ast::Init *)nullptr,
|
---|
1580 | ast::Storage::Classes(),
|
---|
1581 | ast::Linkage::Cforall
|
---|
1582 | ) );
|
---|
1583 | } // if
|
---|
1584 | ast::Stmt * stmt = maybeBuild( td->function.body );
|
---|
1585 | ast::CompoundStmt * body = dynamic_cast<ast::CompoundStmt *>( stmt );
|
---|
1586 | ast::FunctionDecl * decl = new ast::FunctionDecl( td->location,
|
---|
1587 | name,
|
---|
1588 | std::move( forall ),
|
---|
1589 | std::move( assertions ),
|
---|
1590 | std::move( params ),
|
---|
1591 | std::move( returns ),
|
---|
1592 | body,
|
---|
1593 | scs,
|
---|
1594 | linkage,
|
---|
1595 | std::move( attributes ),
|
---|
1596 | funcSpec,
|
---|
1597 | (isVarArgs) ? ast::VariableArgs : ast::FixedArgs
|
---|
1598 | );
|
---|
1599 | buildList( td->function.withExprs, decl->withExprs );
|
---|
1600 | decl->asmName = asmName;
|
---|
1601 | // This may be redundant on a declaration.
|
---|
1602 | decl->type.get_and_mutate()->qualifiers = cvq;
|
---|
1603 | return decl;
|
---|
1604 | } // buildFunctionDecl
|
---|
1605 |
|
---|
1606 |
|
---|
1607 | ast::Decl * buildDecl(
|
---|
1608 | const TypeData * td,
|
---|
1609 | const string &name,
|
---|
1610 | ast::Storage::Classes scs,
|
---|
1611 | ast::Expr * bitfieldWidth,
|
---|
1612 | ast::Function::Specs funcSpec,
|
---|
1613 | ast::Linkage::Spec linkage,
|
---|
1614 | ast::Expr * asmName,
|
---|
1615 | ast::Init * init,
|
---|
1616 | std::vector<ast::ptr<ast::Attribute>> && attributes ) {
|
---|
1617 | if ( td->kind == TypeData::Function ) {
|
---|
1618 | if ( td->function.idList ) { // KR function ?
|
---|
1619 | buildKRFunction( td->function ); // transform into C11 function
|
---|
1620 | } // if
|
---|
1621 |
|
---|
1622 | return buildFunctionDecl(
|
---|
1623 | td, name, scs, funcSpec, linkage,
|
---|
1624 | asmName, std::move( attributes ) );
|
---|
1625 | } else if ( td->kind == TypeData::Aggregate ) {
|
---|
1626 | return buildAggregate( td, std::move( attributes ), linkage );
|
---|
1627 | } else if ( td->kind == TypeData::Symbolic ) {
|
---|
1628 | return buildSymbolic( td, std::move( attributes ), name, scs, linkage );
|
---|
1629 | } else {
|
---|
1630 | auto ret = new ast::ObjectDecl( td->location,
|
---|
1631 | name,
|
---|
1632 | typebuild( td ),
|
---|
1633 | init,
|
---|
1634 | scs,
|
---|
1635 | linkage,
|
---|
1636 | bitfieldWidth,
|
---|
1637 | std::move( attributes )
|
---|
1638 | );
|
---|
1639 | ret->asmName = asmName;
|
---|
1640 | return ret;
|
---|
1641 | } // if
|
---|
1642 | return nullptr;
|
---|
1643 | } // buildDecl
|
---|
1644 |
|
---|
1645 |
|
---|
1646 | ast::FunctionType * buildFunctionType( const TypeData * td ) {
|
---|
1647 | assert( td->kind == TypeData::Function );
|
---|
1648 | ast::FunctionType * ft = new ast::FunctionType(
|
---|
1649 | ( !td->function.params || td->function.params->hasEllipsis )
|
---|
1650 | ? ast::VariableArgs : ast::FixedArgs,
|
---|
1651 | buildQualifiers( td )
|
---|
1652 | );
|
---|
1653 | buildTypeList( td->function.params, ft->params );
|
---|
1654 | buildForall( td->forall, ft->forall );
|
---|
1655 | if ( td->base ) {
|
---|
1656 | switch ( td->base->kind ) {
|
---|
1657 | case TypeData::Tuple:
|
---|
1658 | buildTypeList( td->base->tuple, ft->returns );
|
---|
1659 | break;
|
---|
1660 | default:
|
---|
1661 | ft->returns.push_back( typebuild( td->base ) );
|
---|
1662 | break;
|
---|
1663 | } // switch
|
---|
1664 | } else {
|
---|
1665 | ft->returns.push_back(
|
---|
1666 | new ast::BasicType( ast::BasicKind::SignedInt ) );
|
---|
1667 | } // if
|
---|
1668 | return ft;
|
---|
1669 | } // buildFunctionType
|
---|
1670 |
|
---|
1671 |
|
---|
1672 | // Transform KR routine declarations into C99 routine declarations:
|
---|
1673 | //
|
---|
1674 | // rtn( a, b, c ) int a, c; double b {} => int rtn( int a, double c, int b ) {}
|
---|
1675 | //
|
---|
1676 | // The type information for each post-declaration is moved to the corresponding pre-parameter and the post-declaration
|
---|
1677 | // is deleted. Note, the order of the parameter names may not be the same as the declaration names. Duplicate names and
|
---|
1678 | // extra names are disallowed.
|
---|
1679 | //
|
---|
1680 | // Note, there is no KR routine-prototype syntax:
|
---|
1681 | //
|
---|
1682 | // rtn( a, b, c ) int a, c; double b; // invalid KR prototype
|
---|
1683 | // rtn(); // valid KR prototype
|
---|
1684 |
|
---|
1685 | void buildKRFunction( const TypeData::Function_t & function ) {
|
---|
1686 | assert( ! function.params );
|
---|
1687 | // loop over declaration first as it is easier to spot errors
|
---|
1688 | for ( DeclarationNode * decl = function.oldDeclList; decl != nullptr; decl = decl->next ) {
|
---|
1689 | // scan ALL parameter names for each declaration name to check for duplicates
|
---|
1690 | for ( DeclarationNode * param = function.idList; param != nullptr; param = param->next ) {
|
---|
1691 | if ( *decl->name == *param->name ) {
|
---|
1692 | // type set => parameter name already transformed by a declaration names so there is a duplicate
|
---|
1693 | // declaration name attempting a second transformation
|
---|
1694 | if ( param->type ) SemanticError( param->location, "duplicate declaration name \"%s\".", param->name->c_str() );
|
---|
1695 | // declaration type reset => declaration already transformed by a parameter name so there is a duplicate
|
---|
1696 | // parameter name attempting a second transformation
|
---|
1697 | if ( ! decl->type ) SemanticError( param->location, "duplicate parameter name \"%s\".", param->name->c_str() );
|
---|
1698 | param->type = decl->type; // set copy declaration type to parameter type
|
---|
1699 | decl->type = nullptr; // reset declaration type
|
---|
1700 | // Copy and reset attributes from declaration to parameter:
|
---|
1701 | splice( param->attributes, decl->attributes );
|
---|
1702 | } // if
|
---|
1703 | } // for
|
---|
1704 | // declaration type still set => type not moved to a matching parameter so there is a missing parameter name
|
---|
1705 | if ( decl->type ) SemanticError( decl->location, "missing name in parameter list %s", decl->name->c_str() );
|
---|
1706 | } // for
|
---|
1707 |
|
---|
1708 | // Parameter names without a declaration default to type int:
|
---|
1709 | //
|
---|
1710 | // rtb( a, b, c ) const char * b; {} => int rtn( int a, const char * b, int c ) {}
|
---|
1711 |
|
---|
1712 | for ( DeclarationNode * param = function.idList; param != nullptr; param = param->next ) {
|
---|
1713 | if ( ! param->type ) { // generate type int for empty parameter type
|
---|
1714 | param->type = new TypeData( TypeData::Basic );
|
---|
1715 | param->type->basictype = TypeData::Int;
|
---|
1716 | } // if
|
---|
1717 | } // for
|
---|
1718 |
|
---|
1719 | function.params = function.idList; // newly modified idList becomes parameters
|
---|
1720 | function.idList = nullptr; // idList now empty
|
---|
1721 | delete function.oldDeclList; // deletes entire list
|
---|
1722 | function.oldDeclList = nullptr; // reset
|
---|
1723 | } // buildKRFunction
|
---|
1724 |
|
---|
1725 | // Local Variables: //
|
---|
1726 | // tab-width: 4 //
|
---|
1727 | // mode: c++ //
|
---|
1728 | // compile-command: "make install" //
|
---|
1729 | // End: //
|
---|