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.cc --
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8 | //
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9 | // Author : Rodolfo G. Esteves
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10 | // Created On : Sat May 16 15:12:51 2015
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11 | // Last Modified By : Peter A. Buhr
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12 | // Last Modified On : Thu Apr 26 13:46:07 2018
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13 | // Update Count : 603
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14 | //
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15 |
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16 | #include <cassert> // for assert
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17 | #include <ostream> // for operator<<, ostream, basic_ostream
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18 |
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19 | #include "Common/SemanticError.h" // for SemanticError
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20 | #include "Common/utility.h" // for maybeClone, maybeBuild, maybeMoveB...
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21 | #include "Parser/ParseNode.h" // for DeclarationNode, ExpressionNode
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22 | #include "SynTree/Declaration.h" // for TypeDecl, ObjectDecl, FunctionDecl
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23 | #include "SynTree/Expression.h" // for Expression, ConstantExpr (ptr only)
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24 | #include "SynTree/Initializer.h" // for SingleInit, Initializer (ptr only)
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25 | #include "SynTree/Statement.h" // for CompoundStmt, Statement
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26 | #include "SynTree/Type.h" // for BasicType, Type, Type::ForallList
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27 | #include "TypeData.h"
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28 |
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29 | class Attribute;
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30 |
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31 | using namespace std;
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32 |
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33 | TypeData::TypeData( Kind k ) : location( yylloc ), kind( k ), base( nullptr ), forall( nullptr ) /*, PTR1( (void*)(0xdeadbeefdeadbeef)), PTR2( (void*)(0xdeadbeefdeadbeef) ) */ {
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34 | switch ( kind ) {
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35 | case Unknown:
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36 | case Pointer:
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37 | case Reference:
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38 | case EnumConstant:
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39 | // nothing else to initialize
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40 | break;
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41 | case Basic:
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42 | // basic = new Basic_t;
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43 | break;
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44 | case Array:
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45 | // array = new Array_t;
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46 | array.dimension = nullptr;
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47 | array.isVarLen = false;
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48 | array.isStatic = false;
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49 | break;
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50 | case Function:
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51 | // function = new Function_t;
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52 | function.params = nullptr;
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53 | function.idList = nullptr;
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54 | function.oldDeclList = nullptr;
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55 | function.body = nullptr;
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56 | function.withExprs = nullptr;
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57 | break;
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58 | // Enum is an Aggregate, so both structures are initialized together.
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59 | case Enum:
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60 | // enumeration = new Enumeration_t;
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61 | enumeration.name = nullptr;
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62 | enumeration.constants = nullptr;
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63 | enumeration.body = false;
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64 | break;
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65 | case Aggregate:
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66 | // aggregate = new Aggregate_t;
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67 | aggregate.kind = DeclarationNode::NoAggregate;
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68 | aggregate.name = nullptr;
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69 | aggregate.params = nullptr;
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70 | aggregate.actuals = nullptr;
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71 | aggregate.fields = nullptr;
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72 | aggregate.body = false;
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73 | aggregate.tagged = false;
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74 | aggregate.parent = nullptr;
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75 | break;
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76 | case AggregateInst:
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77 | // aggInst = new AggInst_t;
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78 | aggInst.aggregate = nullptr;
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79 | aggInst.params = nullptr;
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80 | aggInst.hoistType = false;;
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81 | break;
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82 | case Symbolic:
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83 | case SymbolicInst:
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84 | // symbolic = new Symbolic_t;
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85 | symbolic.name = nullptr;
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86 | symbolic.params = nullptr;
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87 | symbolic.actuals = nullptr;
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88 | symbolic.assertions = nullptr;
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89 | break;
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90 | case Tuple:
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91 | // tuple = new Tuple_t;
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92 | tuple = nullptr;
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93 | break;
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94 | case Typeof:
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95 | // typeexpr = new Typeof_t;
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96 | typeexpr = nullptr;
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97 | break;
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98 | case Builtin:
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99 | // builtin = new Builtin_t;
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100 | break;
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101 | } // switch
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102 | } // TypeData::TypeData
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103 |
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104 |
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105 | TypeData::~TypeData() {
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106 | delete base;
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107 | delete forall;
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108 |
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109 | switch ( kind ) {
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110 | case Unknown:
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111 | case Pointer:
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112 | case Reference:
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113 | case EnumConstant:
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114 | // nothing to destroy
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115 | break;
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116 | case Basic:
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117 | // delete basic;
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118 | break;
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119 | case Array:
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120 | delete array.dimension;
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121 | // delete array;
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122 | break;
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123 | case Function:
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124 | delete function.params;
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125 | delete function.idList;
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126 | delete function.oldDeclList;
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127 | delete function.body;
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128 | delete function.withExprs;
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129 | // delete function;
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130 | break;
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131 | case Aggregate:
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132 | delete aggregate.name;
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133 | delete aggregate.params;
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134 | delete aggregate.actuals;
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135 | delete aggregate.fields;
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136 | // delete aggregate;
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137 | break;
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138 | case AggregateInst:
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139 | delete aggInst.aggregate;
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140 | delete aggInst.params;
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141 | // delete aggInst;
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142 | break;
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143 | case Enum:
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144 | delete enumeration.name;
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145 | delete enumeration.constants;
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146 | // delete enumeration;
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147 | break;
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148 | case Symbolic:
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149 | case SymbolicInst:
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150 | delete symbolic.name;
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151 | delete symbolic.params;
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152 | delete symbolic.actuals;
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153 | delete symbolic.assertions;
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154 | // delete symbolic;
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155 | break;
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156 | case Tuple:
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157 | // delete tuple->members;
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158 | delete tuple;
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159 | break;
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160 | case Typeof:
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161 | // delete typeexpr->expr;
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162 | delete typeexpr;
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163 | break;
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164 | case Builtin:
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165 | // delete builtin;
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166 | break;
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167 | } // switch
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168 | } // TypeData::~TypeData
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169 |
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170 |
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171 | TypeData * TypeData::clone() const {
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172 | TypeData * newtype = new TypeData( kind );
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173 | newtype->qualifiers = qualifiers;
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174 | newtype->base = maybeClone( base );
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175 | newtype->forall = maybeClone( forall );
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176 |
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177 | switch ( kind ) {
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178 | case Unknown:
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179 | case EnumConstant:
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180 | case Pointer:
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181 | case Reference:
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182 | // nothing else to copy
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183 | break;
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184 | case Basic:
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185 | newtype->basictype = basictype;
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186 | newtype->complextype = complextype;
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187 | newtype->signedness = signedness;
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188 | newtype->length = length;
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189 | break;
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190 | case Array:
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191 | newtype->array.dimension = maybeClone( array.dimension );
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192 | newtype->array.isVarLen = array.isVarLen;
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193 | newtype->array.isStatic = array.isStatic;
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194 | break;
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195 | case Function:
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196 | newtype->function.params = maybeClone( function.params );
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197 | newtype->function.idList = maybeClone( function.idList );
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198 | newtype->function.oldDeclList = maybeClone( function.oldDeclList );
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199 | newtype->function.body = maybeClone( function.body );
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200 | newtype->function.withExprs = maybeClone( function.withExprs );
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201 | break;
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202 | case Aggregate:
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203 | newtype->aggregate.kind = aggregate.kind;
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204 | newtype->aggregate.name = aggregate.name ? new string( *aggregate.name ) : nullptr;
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205 | newtype->aggregate.params = maybeClone( aggregate.params );
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206 | newtype->aggregate.actuals = maybeClone( aggregate.actuals );
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207 | newtype->aggregate.fields = maybeClone( aggregate.fields );
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208 | newtype->aggregate.body = aggregate.body;
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209 | newtype->aggregate.tagged = aggregate.tagged;
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210 | newtype->aggregate.parent = aggregate.parent ? new string( *aggregate.parent ) : nullptr;
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211 | break;
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212 | case AggregateInst:
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213 | newtype->aggInst.aggregate = maybeClone( aggInst.aggregate );
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214 | newtype->aggInst.params = maybeClone( aggInst.params );
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215 | newtype->aggInst.hoistType = aggInst.hoistType;
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216 | break;
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217 | case Enum:
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218 | newtype->enumeration.name = enumeration.name ? new string( *enumeration.name ) : nullptr;
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219 | newtype->enumeration.constants = maybeClone( enumeration.constants );
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220 | newtype->enumeration.body = enumeration.body;
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221 | break;
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222 | case Symbolic:
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223 | case SymbolicInst:
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224 | newtype->symbolic.name = symbolic.name ? new string( *symbolic.name ) : nullptr;
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225 | newtype->symbolic.params = maybeClone( symbolic.params );
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226 | newtype->symbolic.actuals = maybeClone( symbolic.actuals );
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227 | newtype->symbolic.assertions = maybeClone( symbolic.assertions );
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228 | newtype->symbolic.isTypedef = symbolic.isTypedef;
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229 | break;
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230 | case Tuple:
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231 | newtype->tuple = maybeClone( tuple );
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232 | break;
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233 | case Typeof:
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234 | newtype->typeexpr = maybeClone( typeexpr );
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235 | break;
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236 | case Builtin:
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237 | assert( builtintype == DeclarationNode::Zero || builtintype == DeclarationNode::One );
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238 | newtype->builtintype = builtintype;
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239 | break;
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240 | } // switch
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241 | return newtype;
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242 | } // TypeData::clone
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243 |
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244 |
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245 | void TypeData::print( ostream &os, int indent ) const {
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246 | for ( int i = 0; i < Type::NumTypeQualifier; i += 1 ) {
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247 | if ( qualifiers[i] ) os << Type::QualifiersNames[ i ] << ' ';
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248 | } // for
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249 |
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250 | if ( forall ) {
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251 | os << "forall " << endl;
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252 | forall->printList( os, indent + 4 );
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253 | } // if
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254 |
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255 | switch ( kind ) {
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256 | case Unknown:
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257 | os << "entity of unknown type ";
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258 | break;
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259 | case Pointer:
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260 | os << "pointer ";
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261 | if ( base ) {
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262 | os << "to ";
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263 | base->print( os, indent );
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264 | } // if
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265 | break;
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266 | case EnumConstant:
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267 | os << "enumeration constant ";
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268 | break;
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269 | case Basic:
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270 | if ( signedness != DeclarationNode::NoSignedness ) os << DeclarationNode::signednessNames[ signedness ] << " ";
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271 | if ( length != DeclarationNode::NoLength ) os << DeclarationNode::lengthNames[ length ] << " ";
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272 | assert( basictype != DeclarationNode::NoBasicType );
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273 | os << DeclarationNode::basicTypeNames[ basictype ] << " ";
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274 | if ( complextype != DeclarationNode::NoComplexType ) os << DeclarationNode::complexTypeNames[ complextype ] << " ";
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275 | break;
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276 | case Array:
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277 | if ( array.isStatic ) {
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278 | os << "static ";
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279 | } // if
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280 | if ( array.dimension ) {
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281 | os << "array of ";
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282 | array.dimension->printOneLine( os, indent );
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283 | } else if ( array.isVarLen ) {
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284 | os << "variable-length array of ";
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285 | } else {
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286 | os << "open array of ";
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287 | } // if
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288 | if ( base ) {
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289 | base->print( os, indent );
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290 | } // if
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291 | break;
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292 | case Function:
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293 | os << "function" << endl;
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294 | if ( function.params ) {
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295 | os << string( indent + 2, ' ' ) << "with parameters " << endl;
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296 | function.params->printList( os, indent + 4 );
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297 | } else {
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298 | os << string( indent + 2, ' ' ) << "with no parameters " << endl;
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299 | } // if
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300 | if ( function.idList ) {
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301 | os << string( indent + 2, ' ' ) << "with old-style identifier list " << endl;
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302 | function.idList->printList( os, indent + 4 );
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303 | } // if
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304 | if ( function.oldDeclList ) {
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305 | os << string( indent + 2, ' ' ) << "with old-style declaration list " << endl;
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306 | function.oldDeclList->printList( os, indent + 4 );
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307 | } // if
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308 | os << string( indent + 2, ' ' ) << "returning ";
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309 | if ( base ) {
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310 | base->print( os, indent + 4 );
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311 | } else {
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312 | os << "nothing ";
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313 | } // if
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314 | os << endl;
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315 | if ( function.body ) {
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316 | os << string( indent + 2, ' ' ) << "with body " << endl;
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317 | function.body->printList( os, indent + 2 );
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318 | } // if
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319 | break;
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320 | case Aggregate:
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321 | os << DeclarationNode::aggregateNames[ aggregate.kind ] << ' ' << *aggregate.name << endl;
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322 | if ( aggregate.params ) {
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323 | os << string( indent + 2, ' ' ) << "with type parameters " << endl;
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324 | aggregate.params->printList( os, indent + 4 );
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325 | } // if
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326 | if ( aggregate.actuals ) {
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327 | os << string( indent + 2, ' ' ) << "instantiated with actual parameters " << endl;
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328 | aggregate.actuals->printList( os, indent + 4 );
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329 | } // if
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330 | if ( aggregate.fields ) {
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331 | os << string( indent + 2, ' ' ) << "with members " << endl;
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332 | aggregate.fields->printList( os, indent + 4 );
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333 | } // if
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334 | if ( aggregate.body ) {
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335 | os << string( indent + 2, ' ' ) << " with body " << endl;
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336 | } // if
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337 | break;
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338 | case AggregateInst:
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339 | if ( aggInst.aggregate ) {
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340 | os << "instance of " ;
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341 | aggInst.aggregate->print( os, indent );
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342 | } else {
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343 | os << "instance of an unspecified aggregate ";
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344 | } // if
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345 | if ( aggInst.params ) {
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346 | os << string( indent + 2, ' ' ) << "with parameters " << endl;
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347 | aggInst.params->printList( os, indent + 2 );
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348 | } // if
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349 | break;
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350 | case Enum:
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351 | os << "enumeration ";
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352 | if ( enumeration.constants ) {
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353 | os << "with constants" << endl;
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354 | enumeration.constants->printList( os, indent + 2 );
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355 | } // if
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356 | if ( enumeration.body ) {
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357 | os << string( indent + 2, ' ' ) << " with body " << endl;
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358 | } // if
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359 | break;
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360 | case SymbolicInst:
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361 | os << "instance of type " << *symbolic.name;
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362 | if ( symbolic.actuals ) {
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363 | os << " with parameters" << endl;
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364 | symbolic.actuals->printList( os, indent + 2 );
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365 | } // if
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366 | break;
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367 | case Symbolic:
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368 | if ( symbolic.isTypedef ) {
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369 | os << "typedef definition ";
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370 | } else {
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371 | os << "type definition ";
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372 | } // if
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373 | if ( symbolic.params ) {
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374 | os << endl << string( indent + 2, ' ' ) << "with parameters" << endl;
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375 | symbolic.params->printList( os, indent + 2 );
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376 | } // if
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377 | if ( symbolic.assertions ) {
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378 | os << endl << string( indent + 2, ' ' ) << "with assertions" << endl;
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379 | symbolic.assertions->printList( os, indent + 4 );
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380 | os << string( indent + 2, ' ' );
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381 | } // if
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382 | if ( base ) {
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383 | os << "for ";
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384 | base->print( os, indent + 2 );
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385 | } // if
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386 | break;
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387 | case Tuple:
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388 | os << "tuple ";
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389 | if ( tuple ) {
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390 | os << "with members " << endl;
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391 | tuple->printList( os, indent + 2 );
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392 | } // if
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393 | break;
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394 | case Typeof:
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395 | os << "type-of expression ";
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396 | if ( typeexpr ) {
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397 | typeexpr->print( os, indent + 2 );
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398 | } // if
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399 | break;
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400 | case Builtin:
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401 | os << DeclarationNode::builtinTypeNames[builtintype];
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402 | break;
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403 | default:
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404 | os << "internal error: TypeData::print " << kind << endl;
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405 | assert( false );
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406 | } // switch
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407 | } // TypeData::print
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408 |
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409 |
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410 | template< typename ForallList >
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411 | void buildForall( const DeclarationNode * firstNode, ForallList &outputList ) {
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412 | buildList( firstNode, outputList );
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413 | auto n = firstNode;
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414 | for ( typename ForallList::iterator i = outputList.begin(); i != outputList.end(); ++i, n = (DeclarationNode*)n->get_next() ) {
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415 | TypeDecl * td = static_cast<TypeDecl *>(*i);
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416 | if ( n->variable.tyClass == DeclarationNode::Otype ) {
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417 | // add assertion parameters to `type' tyvars in reverse order
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418 | // add dtor: void ^?{}(T *)
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419 | FunctionType * dtorType = new FunctionType( Type::Qualifiers(), false );
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420 | dtorType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new ReferenceType( Type::Qualifiers(), new TypeInstType( Type::Qualifiers(), td->get_name(), *i ) ), nullptr ) );
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421 | td->get_assertions().push_front( new FunctionDecl( "^?{}", Type::StorageClasses(), LinkageSpec::Cforall, dtorType, nullptr ) );
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422 |
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423 | // add copy ctor: void ?{}(T *, T)
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424 | FunctionType * copyCtorType = new FunctionType( Type::Qualifiers(), false );
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425 | copyCtorType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new ReferenceType( Type::Qualifiers(), new TypeInstType( Type::Qualifiers(), td->get_name(), *i ) ), nullptr ) );
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426 | copyCtorType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new TypeInstType( Type::Qualifiers(), td->get_name(), *i ), nullptr ) );
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427 | td->get_assertions().push_front( new FunctionDecl( "?{}", Type::StorageClasses(), LinkageSpec::Cforall, copyCtorType, nullptr ) );
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428 |
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429 | // add default ctor: void ?{}(T *)
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430 | FunctionType * ctorType = new FunctionType( Type::Qualifiers(), false );
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431 | ctorType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new ReferenceType( Type::Qualifiers(), new TypeInstType( Type::Qualifiers(), td->get_name(), *i ) ), nullptr ) );
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432 | td->get_assertions().push_front( new FunctionDecl( "?{}", Type::StorageClasses(), LinkageSpec::Cforall, ctorType, nullptr ) );
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433 |
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434 | // add assignment operator: T * ?=?(T *, T)
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435 | FunctionType * assignType = new FunctionType( Type::Qualifiers(), false );
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436 | assignType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new ReferenceType( Type::Qualifiers(), new TypeInstType( Type::Qualifiers(), td->get_name(), *i ) ), nullptr ) );
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437 | assignType->get_parameters().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new TypeInstType( Type::Qualifiers(), td->get_name(), *i ), nullptr ) );
|
---|
438 | assignType->get_returnVals().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new TypeInstType( Type::Qualifiers(), td->get_name(), *i ), nullptr ) );
|
---|
439 | td->get_assertions().push_front( new FunctionDecl( "?=?", Type::StorageClasses(), LinkageSpec::Cforall, assignType, nullptr ) );
|
---|
440 | } // if
|
---|
441 | } // for
|
---|
442 | } // buildForall
|
---|
443 |
|
---|
444 |
|
---|
445 | Type * typebuild( const TypeData * td ) {
|
---|
446 | assert( td );
|
---|
447 | switch ( td->kind ) {
|
---|
448 | case TypeData::Unknown:
|
---|
449 | // fill in implicit int
|
---|
450 | return new BasicType( buildQualifiers( td ), BasicType::SignedInt );
|
---|
451 | case TypeData::Basic:
|
---|
452 | return buildBasicType( td );
|
---|
453 | case TypeData::Pointer:
|
---|
454 | return buildPointer( td );
|
---|
455 | case TypeData::Array:
|
---|
456 | return buildArray( td );
|
---|
457 | case TypeData::Reference:
|
---|
458 | return buildReference( td );
|
---|
459 | case TypeData::Function:
|
---|
460 | return buildFunction( td );
|
---|
461 | case TypeData::AggregateInst:
|
---|
462 | return buildAggInst( td );
|
---|
463 | case TypeData::EnumConstant:
|
---|
464 | // the name gets filled in later -- by SymTab::Validate
|
---|
465 | return new EnumInstType( buildQualifiers( td ), "" );
|
---|
466 | case TypeData::SymbolicInst:
|
---|
467 | return buildSymbolicInst( td );;
|
---|
468 | case TypeData::Tuple:
|
---|
469 | return buildTuple( td );
|
---|
470 | case TypeData::Typeof:
|
---|
471 | return buildTypeof( td );
|
---|
472 | case TypeData::Builtin:
|
---|
473 | if(td->builtintype == DeclarationNode::Zero) {
|
---|
474 | return new ZeroType( noQualifiers );
|
---|
475 | }
|
---|
476 | else if(td->builtintype == DeclarationNode::One) {
|
---|
477 | return new OneType( noQualifiers );
|
---|
478 | }
|
---|
479 | else {
|
---|
480 | return new VarArgsType( buildQualifiers( td ) );
|
---|
481 | }
|
---|
482 | case TypeData::Symbolic:
|
---|
483 | case TypeData::Enum:
|
---|
484 | case TypeData::Aggregate:
|
---|
485 | assert( false );
|
---|
486 | } // switch
|
---|
487 | return nullptr;
|
---|
488 | } // typebuild
|
---|
489 |
|
---|
490 |
|
---|
491 | TypeData * typeextractAggregate( const TypeData * td, bool toplevel ) {
|
---|
492 | TypeData * ret = nullptr;
|
---|
493 |
|
---|
494 | switch ( td->kind ) {
|
---|
495 | case TypeData::Aggregate:
|
---|
496 | if ( ! toplevel && td->aggregate.body ) {
|
---|
497 | ret = td->clone();
|
---|
498 | } // if
|
---|
499 | break;
|
---|
500 | case TypeData::Enum:
|
---|
501 | if ( ! toplevel && td->enumeration.body ) {
|
---|
502 | ret = td->clone();
|
---|
503 | } // if
|
---|
504 | break;
|
---|
505 | case TypeData::AggregateInst:
|
---|
506 | if ( td->aggInst.aggregate ) {
|
---|
507 | ret = typeextractAggregate( td->aggInst.aggregate, false );
|
---|
508 | } // if
|
---|
509 | break;
|
---|
510 | default:
|
---|
511 | if ( td->base ) {
|
---|
512 | ret = typeextractAggregate( td->base, false );
|
---|
513 | } // if
|
---|
514 | } // switch
|
---|
515 | return ret;
|
---|
516 | } // typeextractAggregate
|
---|
517 |
|
---|
518 |
|
---|
519 | Type::Qualifiers buildQualifiers( const TypeData * td ) {
|
---|
520 | return td->qualifiers;
|
---|
521 | } // buildQualifiers
|
---|
522 |
|
---|
523 |
|
---|
524 | static string genTSError( string msg, DeclarationNode::BasicType basictype ) {
|
---|
525 | SemanticError( yylloc, string( "invalid type specifier \"" ) + msg + "\" for type \"" + DeclarationNode::basicTypeNames[basictype] + "\"." );
|
---|
526 | } // genTSError
|
---|
527 |
|
---|
528 | Type * buildBasicType( const TypeData * td ) {
|
---|
529 | BasicType::Kind ret;
|
---|
530 |
|
---|
531 | switch ( td->basictype ) {
|
---|
532 | case DeclarationNode::Void:
|
---|
533 | if ( td->signedness != DeclarationNode::NoSignedness ) {
|
---|
534 | genTSError( DeclarationNode::signednessNames[ td->signedness ], td->basictype );
|
---|
535 | } // if
|
---|
536 | if ( td->length != DeclarationNode::NoLength ) {
|
---|
537 | genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
|
---|
538 | } // if
|
---|
539 | return new VoidType( buildQualifiers( td ) );
|
---|
540 | break;
|
---|
541 |
|
---|
542 | case DeclarationNode::Bool:
|
---|
543 | if ( td->signedness != DeclarationNode::NoSignedness ) {
|
---|
544 | genTSError( DeclarationNode::signednessNames[ td->signedness ], td->basictype );
|
---|
545 | } // if
|
---|
546 | if ( td->length != DeclarationNode::NoLength ) {
|
---|
547 | genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
|
---|
548 | } // if
|
---|
549 |
|
---|
550 | ret = BasicType::Bool;
|
---|
551 | break;
|
---|
552 |
|
---|
553 | case DeclarationNode::Char:
|
---|
554 | // C11 Standard 6.2.5.15: The three types char, signed char, and unsigned char are collectively called the
|
---|
555 | // character types. The implementation shall define char to have the same range, representation, and behavior as
|
---|
556 | // either signed char or unsigned char.
|
---|
557 | static BasicType::Kind chartype[] = { BasicType::SignedChar, BasicType::UnsignedChar, BasicType::Char };
|
---|
558 |
|
---|
559 | if ( td->length != DeclarationNode::NoLength ) {
|
---|
560 | genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
|
---|
561 | } // if
|
---|
562 |
|
---|
563 | ret = chartype[ td->signedness ];
|
---|
564 | break;
|
---|
565 |
|
---|
566 | case DeclarationNode::Int:
|
---|
567 | static BasicType::Kind inttype[2][4] = {
|
---|
568 | { BasicType::ShortSignedInt, BasicType::LongSignedInt, BasicType::LongLongSignedInt, BasicType::SignedInt },
|
---|
569 | { BasicType::ShortUnsignedInt, BasicType::LongUnsignedInt, BasicType::LongLongUnsignedInt, BasicType::UnsignedInt },
|
---|
570 | };
|
---|
571 |
|
---|
572 | Integral: ;
|
---|
573 | if ( td->signedness == DeclarationNode::NoSignedness ) {
|
---|
574 | const_cast<TypeData *>(td)->signedness = DeclarationNode::Signed;
|
---|
575 | } // if
|
---|
576 | ret = inttype[ td->signedness ][ td->length ];
|
---|
577 | break;
|
---|
578 |
|
---|
579 | case DeclarationNode::Int128:
|
---|
580 | ret = td->signedness == DeclarationNode::Unsigned ? BasicType::UnsignedInt128 : BasicType::SignedInt128;
|
---|
581 | if ( td->length != DeclarationNode::NoLength ) {
|
---|
582 | genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
|
---|
583 | } // if
|
---|
584 | break;
|
---|
585 |
|
---|
586 | case DeclarationNode::Float:
|
---|
587 | case DeclarationNode::Float80:
|
---|
588 | case DeclarationNode::Float128:
|
---|
589 | case DeclarationNode::Double:
|
---|
590 | case DeclarationNode::LongDouble: // not set until below
|
---|
591 | static BasicType::Kind floattype[3][3] = {
|
---|
592 | { BasicType::FloatComplex, BasicType::DoubleComplex, BasicType::LongDoubleComplex },
|
---|
593 | { BasicType::FloatImaginary, BasicType::DoubleImaginary, BasicType::LongDoubleImaginary },
|
---|
594 | { BasicType::Float, BasicType::Double, BasicType::LongDouble },
|
---|
595 | };
|
---|
596 |
|
---|
597 | FloatingPoint: ;
|
---|
598 | if ( td->signedness != DeclarationNode::NoSignedness ) {
|
---|
599 | genTSError( DeclarationNode::signednessNames[ td->signedness ], td->basictype );
|
---|
600 | } // if
|
---|
601 | if ( td->length == DeclarationNode::Short || td->length == DeclarationNode::LongLong ) {
|
---|
602 | genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
|
---|
603 | } // if
|
---|
604 | if ( td->basictype != DeclarationNode::Double && td->length == DeclarationNode::Long ) {
|
---|
605 | genTSError( DeclarationNode::lengthNames[ td->length ], td->basictype );
|
---|
606 | } // if
|
---|
607 | if ( td->length == DeclarationNode::Long ) {
|
---|
608 | const_cast<TypeData *>(td)->basictype = DeclarationNode::LongDouble;
|
---|
609 | } // if
|
---|
610 |
|
---|
611 | if ( td->basictype == DeclarationNode::Float80 || td->basictype == DeclarationNode::Float128 ) {
|
---|
612 | if ( td->complextype != DeclarationNode::NoComplexType ) {
|
---|
613 | genTSError( DeclarationNode::complexTypeNames[ td->complextype ], td->basictype );
|
---|
614 | }
|
---|
615 | if ( td->basictype == DeclarationNode::Float80 ) ret = BasicType::Float80;
|
---|
616 | else ret = BasicType::Float128;
|
---|
617 | break;
|
---|
618 | }
|
---|
619 |
|
---|
620 | ret = floattype[ td->complextype ][ td->basictype - DeclarationNode::Float ];
|
---|
621 | break;
|
---|
622 |
|
---|
623 | case DeclarationNode::NoBasicType:
|
---|
624 | // No basic type in declaration => default double for Complex/Imaginary and int type for integral types
|
---|
625 | if ( td->complextype == DeclarationNode::Complex || td->complextype == DeclarationNode::Imaginary ) {
|
---|
626 | const_cast<TypeData *>(td)->basictype = DeclarationNode::Double;
|
---|
627 | goto FloatingPoint;
|
---|
628 | } // if
|
---|
629 |
|
---|
630 | const_cast<TypeData *>(td)->basictype = DeclarationNode::Int;
|
---|
631 | goto Integral;
|
---|
632 | default:
|
---|
633 | assertf( false, "unknown basic type" );
|
---|
634 | return nullptr;
|
---|
635 | } // switch
|
---|
636 |
|
---|
637 | BasicType * bt = new BasicType( buildQualifiers( td ), ret );
|
---|
638 | buildForall( td->forall, bt->get_forall() );
|
---|
639 | return bt;
|
---|
640 | } // buildBasicType
|
---|
641 |
|
---|
642 |
|
---|
643 | PointerType * buildPointer( const TypeData * td ) {
|
---|
644 | PointerType * pt;
|
---|
645 | if ( td->base ) {
|
---|
646 | pt = new PointerType( buildQualifiers( td ), typebuild( td->base ) );
|
---|
647 | } else {
|
---|
648 | pt = new PointerType( buildQualifiers( td ), new BasicType( Type::Qualifiers(), BasicType::SignedInt ) );
|
---|
649 | } // if
|
---|
650 | buildForall( td->forall, pt->get_forall() );
|
---|
651 | return pt;
|
---|
652 | } // buildPointer
|
---|
653 |
|
---|
654 |
|
---|
655 | ArrayType * buildArray( const TypeData * td ) {
|
---|
656 | ArrayType * at;
|
---|
657 | if ( td->base ) {
|
---|
658 | at = new ArrayType( buildQualifiers( td ), typebuild( td->base ), maybeBuild< Expression >( td->array.dimension ),
|
---|
659 | td->array.isVarLen, td->array.isStatic );
|
---|
660 | } else {
|
---|
661 | at = new ArrayType( buildQualifiers( td ), new BasicType( Type::Qualifiers(), BasicType::SignedInt ),
|
---|
662 | maybeBuild< Expression >( td->array.dimension ), td->array.isVarLen, td->array.isStatic );
|
---|
663 | } // if
|
---|
664 | buildForall( td->forall, at->get_forall() );
|
---|
665 | return at;
|
---|
666 | } // buildArray
|
---|
667 |
|
---|
668 |
|
---|
669 | ReferenceType * buildReference( const TypeData * td ) {
|
---|
670 | ReferenceType * rt;
|
---|
671 | if ( td->base ) {
|
---|
672 | rt = new ReferenceType( buildQualifiers( td ), typebuild( td->base ) );
|
---|
673 | } else {
|
---|
674 | rt = new ReferenceType( buildQualifiers( td ), new BasicType( Type::Qualifiers(), BasicType::SignedInt ) );
|
---|
675 | } // if
|
---|
676 | buildForall( td->forall, rt->get_forall() );
|
---|
677 | return rt;
|
---|
678 | } // buildReference
|
---|
679 |
|
---|
680 |
|
---|
681 | AggregateDecl * buildAggregate( const TypeData * td, std::list< Attribute * > attributes, LinkageSpec::Spec linkage ) {
|
---|
682 | assert( td->kind == TypeData::Aggregate );
|
---|
683 | AggregateDecl * at;
|
---|
684 | switch ( td->aggregate.kind ) {
|
---|
685 | case DeclarationNode::Struct:
|
---|
686 | case DeclarationNode::Coroutine:
|
---|
687 | case DeclarationNode::Monitor:
|
---|
688 | case DeclarationNode::Thread:
|
---|
689 | at = new StructDecl( *td->aggregate.name, td->aggregate.kind, attributes, linkage );
|
---|
690 | buildForall( td->aggregate.params, at->get_parameters() );
|
---|
691 | break;
|
---|
692 | case DeclarationNode::Union:
|
---|
693 | at = new UnionDecl( *td->aggregate.name, attributes, linkage );
|
---|
694 | buildForall( td->aggregate.params, at->get_parameters() );
|
---|
695 | break;
|
---|
696 | case DeclarationNode::Trait:
|
---|
697 | at = new TraitDecl( *td->aggregate.name, attributes, linkage );
|
---|
698 | buildList( td->aggregate.params, at->get_parameters() );
|
---|
699 | break;
|
---|
700 | default:
|
---|
701 | assert( false );
|
---|
702 | } // switch
|
---|
703 |
|
---|
704 | buildList( td->aggregate.fields, at->get_members() );
|
---|
705 | at->set_body( td->aggregate.body );
|
---|
706 |
|
---|
707 | return at;
|
---|
708 | } // buildAggregate
|
---|
709 |
|
---|
710 |
|
---|
711 | ReferenceToType * buildComAggInst( const TypeData * type, std::list< Attribute * > attributes, LinkageSpec::Spec linkage ) {
|
---|
712 | switch ( type->kind ) {
|
---|
713 | case TypeData::Enum: {
|
---|
714 | if ( type->enumeration.body ) {
|
---|
715 | EnumDecl * typedecl = buildEnum( type, attributes, linkage );
|
---|
716 | return new EnumInstType( buildQualifiers( type ), typedecl );
|
---|
717 | } else {
|
---|
718 | return new EnumInstType( buildQualifiers( type ), *type->enumeration.name );
|
---|
719 | } // if
|
---|
720 | }
|
---|
721 | case TypeData::Aggregate: {
|
---|
722 | ReferenceToType * ret;
|
---|
723 | if ( type->aggregate.body ) {
|
---|
724 | AggregateDecl * typedecl = buildAggregate( type, attributes, linkage );
|
---|
725 | switch ( type->aggregate.kind ) {
|
---|
726 | case DeclarationNode::Struct:
|
---|
727 | case DeclarationNode::Coroutine:
|
---|
728 | case DeclarationNode::Monitor:
|
---|
729 | case DeclarationNode::Thread:
|
---|
730 | ret = new StructInstType( buildQualifiers( type ), (StructDecl *)typedecl );
|
---|
731 | break;
|
---|
732 | case DeclarationNode::Union:
|
---|
733 | ret = new UnionInstType( buildQualifiers( type ), (UnionDecl *)typedecl );
|
---|
734 | break;
|
---|
735 | case DeclarationNode::Trait:
|
---|
736 | assert( false );
|
---|
737 | //ret = new TraitInstType( buildQualifiers( type ), (TraitDecl *)typedecl );
|
---|
738 | break;
|
---|
739 | default:
|
---|
740 | assert( false );
|
---|
741 | } // switch
|
---|
742 | } else {
|
---|
743 | switch ( type->aggregate.kind ) {
|
---|
744 | case DeclarationNode::Struct:
|
---|
745 | case DeclarationNode::Coroutine:
|
---|
746 | case DeclarationNode::Monitor:
|
---|
747 | case DeclarationNode::Thread:
|
---|
748 | ret = new StructInstType( buildQualifiers( type ), *type->aggregate.name );
|
---|
749 | break;
|
---|
750 | case DeclarationNode::Union:
|
---|
751 | ret = new UnionInstType( buildQualifiers( type ), *type->aggregate.name );
|
---|
752 | break;
|
---|
753 | case DeclarationNode::Trait:
|
---|
754 | ret = new TraitInstType( buildQualifiers( type ), *type->aggregate.name );
|
---|
755 | break;
|
---|
756 | default:
|
---|
757 | assert( false );
|
---|
758 | } // switch
|
---|
759 | } // if
|
---|
760 | return ret;
|
---|
761 | }
|
---|
762 | default:
|
---|
763 | assert( false );
|
---|
764 | } // switch
|
---|
765 | } // buildAggInst
|
---|
766 |
|
---|
767 |
|
---|
768 | ReferenceToType * buildAggInst( const TypeData * td ) {
|
---|
769 | assert( td->kind == TypeData::AggregateInst );
|
---|
770 |
|
---|
771 | // ReferenceToType * ret = buildComAggInst( td->aggInst.aggregate, std::list< Attribute * >() );
|
---|
772 | ReferenceToType * ret = nullptr;
|
---|
773 | TypeData * type = td->aggInst.aggregate;
|
---|
774 | switch ( type->kind ) {
|
---|
775 | case TypeData::Enum: {
|
---|
776 | return new EnumInstType( buildQualifiers( type ), *type->enumeration.name );
|
---|
777 | }
|
---|
778 | case TypeData::Aggregate: {
|
---|
779 | switch ( type->aggregate.kind ) {
|
---|
780 | case DeclarationNode::Struct:
|
---|
781 | case DeclarationNode::Coroutine:
|
---|
782 | case DeclarationNode::Monitor:
|
---|
783 | case DeclarationNode::Thread:
|
---|
784 | ret = new StructInstType( buildQualifiers( type ), *type->aggregate.name );
|
---|
785 | break;
|
---|
786 | case DeclarationNode::Union:
|
---|
787 | ret = new UnionInstType( buildQualifiers( type ), *type->aggregate.name );
|
---|
788 | break;
|
---|
789 | case DeclarationNode::Trait:
|
---|
790 | ret = new TraitInstType( buildQualifiers( type ), *type->aggregate.name );
|
---|
791 | break;
|
---|
792 | default:
|
---|
793 | assert( false );
|
---|
794 | } // switch
|
---|
795 | }
|
---|
796 | break;
|
---|
797 | default:
|
---|
798 | assert( false );
|
---|
799 | } // switch
|
---|
800 |
|
---|
801 | ret->set_hoistType( td->aggInst.hoistType );
|
---|
802 | buildList( td->aggInst.params, ret->get_parameters() );
|
---|
803 | buildForall( td->forall, ret->get_forall() );
|
---|
804 | return ret;
|
---|
805 | } // buildAggInst
|
---|
806 |
|
---|
807 |
|
---|
808 | NamedTypeDecl * buildSymbolic( const TypeData * td, std::list< Attribute * > attributes, const string & name, Type::StorageClasses scs, LinkageSpec::Spec linkage ) {
|
---|
809 | assert( td->kind == TypeData::Symbolic );
|
---|
810 | NamedTypeDecl * ret;
|
---|
811 | assert( td->base );
|
---|
812 | if ( td->symbolic.isTypedef ) {
|
---|
813 | ret = new TypedefDecl( name, td->location, scs, typebuild( td->base ), linkage );
|
---|
814 | } else {
|
---|
815 | ret = new TypeDecl( name, scs, typebuild( td->base ), TypeDecl::Dtype, true );
|
---|
816 | } // if
|
---|
817 | buildList( td->symbolic.params, ret->get_parameters() );
|
---|
818 | buildList( td->symbolic.assertions, ret->get_assertions() );
|
---|
819 | ret->base->attributes.splice( ret->base->attributes.end(), attributes );
|
---|
820 | return ret;
|
---|
821 | } // buildSymbolic
|
---|
822 |
|
---|
823 |
|
---|
824 | EnumDecl * buildEnum( const TypeData * td, std::list< Attribute * > attributes, LinkageSpec::Spec linkage ) {
|
---|
825 | assert( td->kind == TypeData::Enum );
|
---|
826 | EnumDecl * ret = new EnumDecl( *td->enumeration.name, attributes, linkage );
|
---|
827 | buildList( td->enumeration.constants, ret->get_members() );
|
---|
828 | list< Declaration * >::iterator members = ret->get_members().begin();
|
---|
829 | for ( const DeclarationNode * cur = td->enumeration. constants; cur != nullptr; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ), ++members ) {
|
---|
830 | if ( cur->has_enumeratorValue() ) {
|
---|
831 | ObjectDecl * member = dynamic_cast< ObjectDecl * >(* members);
|
---|
832 | member->set_init( new SingleInit( maybeMoveBuild< Expression >( cur->consume_enumeratorValue() ) ) );
|
---|
833 | } // if
|
---|
834 | } // for
|
---|
835 | ret->set_body( td->enumeration.body );
|
---|
836 | return ret;
|
---|
837 | } // buildEnum
|
---|
838 |
|
---|
839 |
|
---|
840 | TypeInstType * buildSymbolicInst( const TypeData * td ) {
|
---|
841 | assert( td->kind == TypeData::SymbolicInst );
|
---|
842 | TypeInstType * ret = new TypeInstType( buildQualifiers( td ), *td->symbolic.name, false );
|
---|
843 | buildList( td->symbolic.actuals, ret->get_parameters() );
|
---|
844 | buildForall( td->forall, ret->get_forall() );
|
---|
845 | return ret;
|
---|
846 | } // buildSymbolicInst
|
---|
847 |
|
---|
848 |
|
---|
849 | TupleType * buildTuple( const TypeData * td ) {
|
---|
850 | assert( td->kind == TypeData::Tuple );
|
---|
851 | std::list< Type * > types;
|
---|
852 | buildTypeList( td->tuple, types );
|
---|
853 | TupleType * ret = new TupleType( buildQualifiers( td ), types );
|
---|
854 | buildForall( td->forall, ret->get_forall() );
|
---|
855 | return ret;
|
---|
856 | } // buildTuple
|
---|
857 |
|
---|
858 |
|
---|
859 | TypeofType * buildTypeof( const TypeData * td ) {
|
---|
860 | assert( td->kind == TypeData::Typeof );
|
---|
861 | assert( td->typeexpr );
|
---|
862 | // assert( td->typeexpr->expr );
|
---|
863 | return new TypeofType( buildQualifiers( td ), td->typeexpr->build() );
|
---|
864 | } // buildTypeof
|
---|
865 |
|
---|
866 |
|
---|
867 | Declaration * buildDecl( const TypeData * td, const string &name, Type::StorageClasses scs, Expression * bitfieldWidth, Type::FuncSpecifiers funcSpec, LinkageSpec::Spec linkage, Expression *asmName, Initializer * init, std::list< Attribute * > attributes ) {
|
---|
868 | if ( td->kind == TypeData::Function ) {
|
---|
869 | if ( td->function.idList ) { // KR function ?
|
---|
870 | buildKRFunction( td->function ); // transform into C11 function
|
---|
871 | } // if
|
---|
872 |
|
---|
873 | FunctionDecl * decl;
|
---|
874 | Statement * stmt = maybeBuild<Statement>( td->function.body );
|
---|
875 | CompoundStmt * body = dynamic_cast< CompoundStmt * >( stmt );
|
---|
876 | decl = new FunctionDecl( name, scs, linkage, buildFunction( td ), body, attributes, funcSpec );
|
---|
877 | buildList( td->function.withExprs, decl->withExprs );
|
---|
878 | return decl->set_asmName( asmName );
|
---|
879 | } else if ( td->kind == TypeData::Aggregate ) {
|
---|
880 | return buildAggregate( td, attributes, linkage );
|
---|
881 | } else if ( td->kind == TypeData::Enum ) {
|
---|
882 | return buildEnum( td, attributes, linkage );
|
---|
883 | } else if ( td->kind == TypeData::Symbolic ) {
|
---|
884 | return buildSymbolic( td, attributes, name, scs, linkage );
|
---|
885 | } else {
|
---|
886 | return (new ObjectDecl( name, scs, linkage, bitfieldWidth, typebuild( td ), init, attributes ))->set_asmName( asmName );
|
---|
887 | } // if
|
---|
888 | return nullptr;
|
---|
889 | } // buildDecl
|
---|
890 |
|
---|
891 |
|
---|
892 | FunctionType * buildFunction( const TypeData * td ) {
|
---|
893 | assert( td->kind == TypeData::Function );
|
---|
894 | FunctionType * ft = new FunctionType( buildQualifiers( td ), ! td->function.params || td->function.params->hasEllipsis );
|
---|
895 | buildList( td->function.params, ft->get_parameters() );
|
---|
896 | buildForall( td->forall, ft->get_forall() );
|
---|
897 | if ( td->base ) {
|
---|
898 | switch ( td->base->kind ) {
|
---|
899 | case TypeData::Tuple:
|
---|
900 | buildList( td->base->tuple, ft->get_returnVals() );
|
---|
901 | break;
|
---|
902 | default:
|
---|
903 | ft->get_returnVals().push_back( dynamic_cast< DeclarationWithType * >( buildDecl( td->base, "", Type::StorageClasses(), nullptr, Type::FuncSpecifiers(), LinkageSpec::Cforall, nullptr ) ) );
|
---|
904 | } // switch
|
---|
905 | } else {
|
---|
906 | ft->get_returnVals().push_back( new ObjectDecl( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, new BasicType( Type::Qualifiers(), BasicType::SignedInt ), nullptr ) );
|
---|
907 | } // if
|
---|
908 | return ft;
|
---|
909 | } // buildFunction
|
---|
910 |
|
---|
911 |
|
---|
912 | // Transform KR routine declarations into C99 routine declarations:
|
---|
913 | //
|
---|
914 | // rtn( a, b, c ) int a, c; double b {} => int rtn( int a, double c, int b ) {}
|
---|
915 | //
|
---|
916 | // The type information for each post-declaration is moved to the corresponding pre-parameter and the post-declaration
|
---|
917 | // is deleted. Note, the order of the parameter names may not be the same as the declaration names. Duplicate names and
|
---|
918 | // extra names are disallowed.
|
---|
919 | //
|
---|
920 | // Note, there is no KR routine-prototype syntax:
|
---|
921 | //
|
---|
922 | // rtn( a, b, c ) int a, c; double b; // invalid KR prototype
|
---|
923 | // rtn(); // valid KR prototype
|
---|
924 |
|
---|
925 | void buildKRFunction( const TypeData::Function_t & function ) {
|
---|
926 | assert( ! function.params );
|
---|
927 | // loop over declaration first as it is easier to spot errors
|
---|
928 | for ( DeclarationNode * decl = function.oldDeclList; decl != nullptr; decl = dynamic_cast< DeclarationNode * >( decl->get_next() ) ) {
|
---|
929 | // scan ALL parameter names for each declaration name to check for duplicates
|
---|
930 | for ( DeclarationNode * param = function.idList; param != nullptr; param = dynamic_cast< DeclarationNode * >( param->get_next() ) ) {
|
---|
931 | if ( *decl->name == *param->name ) {
|
---|
932 | // type set => parameter name already transformed by a declaration names so there is a duplicate
|
---|
933 | // declaration name attempting a second transformation
|
---|
934 | if ( param->type ) SemanticError( param->location, string( "duplicate declaration name " ) + *param->name );
|
---|
935 | // declaration type reset => declaration already transformed by a parameter name so there is a duplicate
|
---|
936 | // parameter name attempting a second transformation
|
---|
937 | if ( ! decl->type ) SemanticError( param->location, string( "duplicate parameter name " ) + *param->name );
|
---|
938 | param->type = decl->type; // set copy declaration type to parameter type
|
---|
939 | decl->type = nullptr; // reset declaration type
|
---|
940 | param->attributes.splice( param->attributes.end(), decl->attributes ); // copy and reset attributes from declaration to parameter
|
---|
941 | } // if
|
---|
942 | } // for
|
---|
943 | // declaration type still set => type not moved to a matching parameter so there is a missing parameter name
|
---|
944 | if ( decl->type ) SemanticError( decl->location, string( "missing name in parameter list " ) + *decl->name );
|
---|
945 | } // for
|
---|
946 |
|
---|
947 | // Parameter names without a declaration default to type int:
|
---|
948 | //
|
---|
949 | // rtb( a, b, c ) const char * b; {} => int rtn( int a, const char * b, int c ) {}
|
---|
950 |
|
---|
951 | for ( DeclarationNode * param = function.idList; param != nullptr; param = dynamic_cast< DeclarationNode * >( param->get_next() ) ) {
|
---|
952 | if ( ! param->type ) { // generate type int for empty parameter type
|
---|
953 | param->type = new TypeData( TypeData::Basic );
|
---|
954 | param->type->basictype = DeclarationNode::Int;
|
---|
955 | } // if
|
---|
956 | } // for
|
---|
957 |
|
---|
958 | function.params = function.idList; // newly modified idList becomes parameters
|
---|
959 | function.idList = nullptr; // idList now empty
|
---|
960 | delete function.oldDeclList; // deletes entire list
|
---|
961 | function.oldDeclList = nullptr; // reset
|
---|
962 | } // buildKRFunction
|
---|
963 |
|
---|
964 | // Local Variables: //
|
---|
965 | // tab-width: 4 //
|
---|
966 | // mode: c++ //
|
---|
967 | // compile-command: "make install" //
|
---|
968 | // End: //
|
---|