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 | // DeclarationNode.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 12:34:05 2015
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11 | // Last Modified By : Rob Schluntz
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12 | // Last Modified On : Thu Apr 14 15:38:09 2016
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13 | // Update Count : 161
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14 | //
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15 |
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16 | #include <string>
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17 | #include <list>
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18 | #include <iterator>
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19 | #include <algorithm>
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20 | #include <cassert>
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21 |
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22 | #include "TypeData.h"
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23 |
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24 | #include "SynTree/Declaration.h"
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25 | #include "SynTree/Expression.h"
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26 |
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27 | #include "Parser.h"
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28 | #include "TypedefTable.h"
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29 | extern TypedefTable typedefTable;
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30 |
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31 | using namespace std;
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32 |
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33 | // These must remain in the same order as the corresponding DeclarationNode enumerations.
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34 | const char *DeclarationNode::storageName[] = { "extern", "static", "auto", "register", "inline", "fortran", "_Noreturn", "_Thread_local", "" };
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35 | const char *DeclarationNode::qualifierName[] = { "const", "restrict", "volatile", "lvalue", "_Atomic" };
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36 | const char *DeclarationNode::basicTypeName[] = { "char", "int", "float", "double", "void", "_Bool", "_Complex", "_Imaginary", };
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37 | const char *DeclarationNode::modifierName[] = { "signed", "unsigned", "short", "long" };
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38 | const char *DeclarationNode::aggregateName[] = { "struct", "union", "context" };
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39 | const char *DeclarationNode::typeClassName[] = { "type", "dtype", "ftype" };
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40 | const char *DeclarationNode::builtinTypeName[] = { "__builtin_va_list" };
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41 |
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42 | UniqueName DeclarationNode::anonymous( "__anonymous" );
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43 |
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44 | extern LinkageSpec::Type linkage; // defined in parser.yy
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45 |
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46 | DeclarationNode *DeclarationNode::clone() const {
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47 | DeclarationNode *newnode = new DeclarationNode;
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48 | newnode->type = maybeClone( type );
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49 | newnode->name = name;
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50 | newnode->storageClasses = storageClasses;
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51 | newnode->bitfieldWidth = maybeClone( bitfieldWidth );
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52 | newnode->hasEllipsis = hasEllipsis;
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53 | newnode->initializer = initializer;
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54 | newnode->next = maybeClone( next );
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55 | newnode->linkage = linkage;
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56 | return newnode;
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57 | } // DeclarationNode::clone
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58 |
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59 | DeclarationNode::DeclarationNode() : type( 0 ), bitfieldWidth( 0 ), initializer( 0 ), hasEllipsis( false ), linkage( ::linkage ) {
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60 | }
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61 |
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62 | DeclarationNode::~DeclarationNode() {
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63 | delete type;
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64 | delete bitfieldWidth;
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65 | delete initializer;
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66 | }
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67 |
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68 | bool DeclarationNode::get_hasEllipsis() const {
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69 | return hasEllipsis;
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70 | }
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71 |
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72 | void DeclarationNode::print( std::ostream &os, int indent ) const {
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73 | os << string( indent, ' ' );
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74 | if ( name == "" ) {
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75 | os << "unnamed: ";
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76 | } else {
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77 | os << name << ": ";
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78 | } // if
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79 |
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80 | if ( linkage != LinkageSpec::Cforall ) {
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81 | os << LinkageSpec::toString( linkage ) << " ";
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82 | } // if
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83 |
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84 | printEnums( storageClasses.begin(), storageClasses.end(), DeclarationNode::storageName, os );
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85 | if ( type ) {
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86 | type->print( os, indent );
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87 | } else {
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88 | os << "untyped entity ";
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89 | } // if
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90 |
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91 | if ( bitfieldWidth ) {
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92 | os << endl << string( indent + 2, ' ' ) << "with bitfield width ";
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93 | bitfieldWidth->printOneLine( os );
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94 | } // if
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95 |
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96 | if ( initializer != 0 ) {
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97 | os << endl << string( indent + 2, ' ' ) << "with initializer ";
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98 | initializer->printOneLine( os );
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99 | os << " maybe constructed? " << initializer->get_maybeConstructed();
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100 |
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101 | } // if
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102 |
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103 | os << endl;
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104 | }
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105 |
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106 | void DeclarationNode::printList( std::ostream &os, int indent ) const {
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107 | ParseNode::printList( os, indent );
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108 | if ( hasEllipsis ) {
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109 | os << string( indent, ' ' ) << "and a variable number of other arguments" << endl;
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110 | } // if
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111 | }
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112 |
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113 | DeclarationNode *DeclarationNode::newFunction( std::string *name, DeclarationNode *ret, DeclarationNode *param, StatementNode *body, bool newStyle ) {
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114 | DeclarationNode *newnode = new DeclarationNode;
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115 | newnode->name = assign_strptr( name );
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116 |
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117 | newnode->type = new TypeData( TypeData::Function );
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118 | newnode->type->function->params = param;
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119 | newnode->type->function->newStyle = newStyle;
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120 | newnode->type->function->body = body;
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121 | typedefTable.addToEnclosingScope( newnode->name, TypedefTable::ID );
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122 |
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123 | if ( body ) {
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124 | newnode->type->function->hasBody = true;
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125 | } // if
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126 |
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127 | if ( ret ) {
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128 | newnode->type->base = ret->type;
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129 | ret->type = 0;
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130 | delete ret;
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131 | } // if
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132 |
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133 | return newnode;
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134 | } // DeclarationNode::newFunction
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135 |
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136 | DeclarationNode *DeclarationNode::newQualifier( Qualifier q ) {
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137 | DeclarationNode *newnode = new DeclarationNode;
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138 | newnode->type = new TypeData();
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139 | newnode->type->qualifiers.push_back( q );
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140 | return newnode;
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141 | } // DeclarationNode::newQualifier
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142 |
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143 | DeclarationNode *DeclarationNode::newStorageClass( DeclarationNode::StorageClass sc ) {
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144 | DeclarationNode *newnode = new DeclarationNode;
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145 | newnode->storageClasses.push_back( sc );
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146 | return newnode;
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147 | } // DeclarationNode::newStorageClass
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148 |
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149 | DeclarationNode *DeclarationNode::newBasicType( BasicType bt ) {
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150 | DeclarationNode *newnode = new DeclarationNode;
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151 | newnode->type = new TypeData( TypeData::Basic );
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152 | newnode->type->basic->typeSpec.push_back( bt );
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153 | return newnode;
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154 | } // DeclarationNode::newBasicType
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155 |
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156 | DeclarationNode *DeclarationNode::newBuiltinType( BuiltinType bt ) {
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157 | DeclarationNode *newnode = new DeclarationNode;
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158 | newnode->type = new TypeData( TypeData::Builtin );
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159 | newnode->type->builtin->type = bt;
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160 | return newnode;
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161 | } // DeclarationNode::newBuiltinType
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162 |
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163 | DeclarationNode *DeclarationNode::newModifier( Modifier mod ) {
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164 | DeclarationNode *newnode = new DeclarationNode;
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165 | newnode->type = new TypeData( TypeData::Basic );
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166 | newnode->type->basic->modifiers.push_back( mod );
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167 | return newnode;
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168 | } // DeclarationNode::newModifier
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169 |
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170 | DeclarationNode *DeclarationNode::newForall( DeclarationNode *forall ) {
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171 | DeclarationNode *newnode = new DeclarationNode;
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172 | newnode->type = new TypeData( TypeData::Unknown );
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173 | newnode->type->forall = forall;
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174 | return newnode;
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175 | } // DeclarationNode::newForall
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176 |
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177 | DeclarationNode *DeclarationNode::newFromTypedef( std::string *name ) {
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178 | DeclarationNode *newnode = new DeclarationNode;
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179 | newnode->type = new TypeData( TypeData::SymbolicInst );
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180 | newnode->type->symbolic->name = assign_strptr( name );
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181 | newnode->type->symbolic->isTypedef = true;
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182 | newnode->type->symbolic->params = 0;
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183 | return newnode;
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184 | } // DeclarationNode::newFromTypedef
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185 |
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186 | DeclarationNode *DeclarationNode::newAggregate( Aggregate kind, const std::string *name, ExpressionNode *actuals, DeclarationNode *fields ) {
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187 | DeclarationNode *newnode = new DeclarationNode;
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188 | newnode->type = new TypeData( TypeData::Aggregate );
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189 | newnode->type->aggregate->kind = kind;
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190 | newnode->type->aggregate->name = assign_strptr( name );
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191 | if ( newnode->type->aggregate->name == "" ) { // anonymous aggregate ?
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192 | newnode->type->aggregate->name = anonymous.newName();
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193 | } // if
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194 | newnode->type->aggregate->actuals = actuals;
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195 | newnode->type->aggregate->fields = fields;
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196 | return newnode;
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197 | } // DeclarationNode::newAggregate
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198 |
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199 | DeclarationNode *DeclarationNode::newEnum( std::string *name, DeclarationNode *constants ) {
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200 | DeclarationNode *newnode = new DeclarationNode;
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201 | newnode->name = assign_strptr( name );
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202 | newnode->type = new TypeData( TypeData::Enum );
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203 | newnode->type->enumeration->name = newnode->name;
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204 | if ( newnode->type->enumeration->name == "" ) { // anonymous enumeration ?
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205 | newnode->type->enumeration->name = DeclarationNode::anonymous.newName();
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206 | } // if
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207 | newnode->type->enumeration->constants = constants;
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208 | return newnode;
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209 | } // DeclarationNode::newEnum
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210 |
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211 | DeclarationNode *DeclarationNode::newEnumConstant( std::string *name, ExpressionNode *constant ) {
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212 | DeclarationNode *newnode = new DeclarationNode;
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213 | newnode->name = assign_strptr( name );
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214 | newnode->enumeratorValue = constant;
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215 | typedefTable.addToEnclosingScope( newnode->name, TypedefTable::ID );
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216 | return newnode;
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217 | } // DeclarationNode::newEnumConstant
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218 |
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219 | DeclarationNode *DeclarationNode::newName( std::string *name ) {
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220 | DeclarationNode *newnode = new DeclarationNode;
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221 | newnode->name = assign_strptr( name );
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222 | return newnode;
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223 | } // DeclarationNode::newName
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224 |
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225 | DeclarationNode *DeclarationNode::newFromTypeGen( std::string *name, ExpressionNode *params ) {
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226 | DeclarationNode *newnode = new DeclarationNode;
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227 | newnode->type = new TypeData( TypeData::SymbolicInst );
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228 | newnode->type->symbolic->name = assign_strptr( name );
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229 | newnode->type->symbolic->isTypedef = false;
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230 | newnode->type->symbolic->actuals = params;
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231 | return newnode;
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232 | } // DeclarationNode::newFromTypeGen
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233 |
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234 | DeclarationNode *DeclarationNode::newTypeParam( TypeClass tc, std::string *name ) {
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235 | DeclarationNode *newnode = new DeclarationNode;
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236 | newnode->name = assign_strptr( name );
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237 | newnode->type = new TypeData( TypeData::Variable );
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238 | newnode->type->variable->tyClass = tc;
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239 | newnode->type->variable->name = newnode->name;
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240 | return newnode;
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241 | } // DeclarationNode::newTypeParam
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242 |
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243 | DeclarationNode *DeclarationNode::newTrait( std::string *name, DeclarationNode *params, DeclarationNode *asserts ) {
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244 | DeclarationNode *newnode = new DeclarationNode;
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245 | newnode->type = new TypeData( TypeData::Aggregate );
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246 | newnode->type->aggregate->kind = Trait;
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247 | newnode->type->aggregate->params = params;
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248 | newnode->type->aggregate->fields = asserts;
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249 | newnode->type->aggregate->name = assign_strptr( name );
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250 | return newnode;
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251 | } // DeclarationNode::newTrait
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252 |
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253 | DeclarationNode *DeclarationNode::newTraitUse( std::string *name, ExpressionNode *params ) {
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254 | DeclarationNode *newnode = new DeclarationNode;
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255 | newnode->type = new TypeData( TypeData::AggregateInst );
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256 | newnode->type->aggInst->aggregate = new TypeData( TypeData::Aggregate );
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257 | newnode->type->aggInst->aggregate->aggregate->kind = Trait;
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258 | newnode->type->aggInst->aggregate->aggregate->name = assign_strptr( name );
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259 | newnode->type->aggInst->params = params;
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260 | return newnode;
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261 | } // DeclarationNode::newTraitUse
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262 |
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263 | DeclarationNode *DeclarationNode::newTypeDecl( std::string *name, DeclarationNode *typeParams ) {
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264 | DeclarationNode *newnode = new DeclarationNode;
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265 | newnode->name = assign_strptr( name );
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266 | newnode->type = new TypeData( TypeData::Symbolic );
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267 | newnode->type->symbolic->isTypedef = false;
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268 | newnode->type->symbolic->params = typeParams;
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269 | newnode->type->symbolic->name = newnode->name;
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270 | return newnode;
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271 | } // DeclarationNode::newTypeDecl
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272 |
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273 | DeclarationNode *DeclarationNode::newPointer( DeclarationNode *qualifiers ) {
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274 | DeclarationNode *newnode = new DeclarationNode;
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275 | newnode->type = new TypeData( TypeData::Pointer );
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276 | return newnode->addQualifiers( qualifiers );
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277 | } // DeclarationNode::newPointer
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278 |
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279 | DeclarationNode *DeclarationNode::newArray( ExpressionNode *size, DeclarationNode *qualifiers, bool isStatic ) {
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280 | DeclarationNode *newnode = new DeclarationNode;
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281 | newnode->type = new TypeData( TypeData::Array );
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282 | newnode->type->array->dimension = size;
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283 | newnode->type->array->isStatic = isStatic;
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284 | if ( newnode->type->array->dimension == 0 || dynamic_cast<ConstantNode *>( newnode->type->array->dimension ) ) {
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285 | newnode->type->array->isVarLen = false;
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286 | } else {
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287 | newnode->type->array->isVarLen = true;
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288 | } // if
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289 | return newnode->addQualifiers( qualifiers );
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290 | } // DeclarationNode::newArray
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291 |
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292 | DeclarationNode *DeclarationNode::newVarArray( DeclarationNode *qualifiers ) {
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293 | DeclarationNode *newnode = new DeclarationNode;
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294 | newnode->type = new TypeData( TypeData::Array );
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295 | newnode->type->array->dimension = 0;
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296 | newnode->type->array->isStatic = false;
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297 | newnode->type->array->isVarLen = true;
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298 | return newnode->addQualifiers( qualifiers );
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299 | }
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300 |
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301 | DeclarationNode *DeclarationNode::newBitfield( ExpressionNode *size ) {
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302 | DeclarationNode *newnode = new DeclarationNode;
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303 | newnode->bitfieldWidth = size;
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304 | return newnode;
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305 | }
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306 |
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307 | DeclarationNode *DeclarationNode::newTuple( DeclarationNode *members ) {
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308 | DeclarationNode *newnode = new DeclarationNode;
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309 | newnode->type = new TypeData( TypeData::Tuple );
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310 | newnode->type->tuple->members = members;
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311 | return newnode;
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312 | }
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313 |
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314 | DeclarationNode *DeclarationNode::newTypeof( ExpressionNode *expr ) {
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315 | DeclarationNode *newnode = new DeclarationNode;
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316 | newnode->type = new TypeData( TypeData::Typeof );
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317 | newnode->type->typeexpr->expr = expr;
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318 | return newnode;
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319 | }
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320 |
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321 | DeclarationNode *DeclarationNode::newAttr( std::string *name, ExpressionNode *expr ) {
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322 | DeclarationNode *newnode = new DeclarationNode;
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323 | newnode->type = new TypeData( TypeData::Attr );
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324 | newnode->type->attr->name = assign_strptr( name );
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325 | newnode->type->attr->expr = expr;
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326 | return newnode;
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327 | }
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328 |
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329 | DeclarationNode *DeclarationNode::newAttr( std::string *name, DeclarationNode *type ) {
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330 | DeclarationNode *newnode = new DeclarationNode;
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331 | newnode->type = new TypeData( TypeData::Attr );
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332 | newnode->type->attr->name = assign_strptr( name );
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333 | newnode->type->attr->type = type;
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334 | return newnode;
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335 | }
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336 |
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337 | static void addQualifiersToType( TypeData *&src, TypeData *dst ) {
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338 | if ( src && dst ) {
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339 | if ( src->forall && dst->kind == TypeData::Function ) {
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340 | if ( dst->forall ) {
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341 | dst->forall->appendList( src->forall );
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342 | } else {
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343 | dst->forall = src->forall;
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344 | } // if
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345 | src->forall = 0;
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346 | } // if
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347 | if ( dst->base ) {
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348 | addQualifiersToType( src, dst->base );
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349 | } else if ( dst->kind == TypeData::Function ) {
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350 | dst->base = src;
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351 | src = 0;
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352 | } else {
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353 | dst->qualifiers.splice( dst->qualifiers.end(), src->qualifiers );
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354 | } // if
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355 | } // if
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356 | }
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357 |
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358 | DeclarationNode *DeclarationNode::addQualifiers( DeclarationNode *q ) {
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359 | if ( q ) {
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360 | storageClasses.splice( storageClasses.end(), q->storageClasses );
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361 | if ( q->type ) {
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362 | if ( ! type ) {
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363 | type = new TypeData;
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364 | } // if
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365 | addQualifiersToType( q->type, type );
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366 | if ( q->type && q->type->forall ) {
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367 | if ( type->forall ) {
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368 | type->forall->appendList( q->type->forall );
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369 | } else {
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370 | if ( type->kind == TypeData::Aggregate ) {
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371 | type->aggregate->params = q->type->forall;
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372 | // change implicit typedef from TYPEDEFname to TYPEGENname
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373 | typedefTable.changeKind( type->aggregate->name, TypedefTable::TG );
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374 | } else {
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375 | type->forall = q->type->forall;
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376 | } // if
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377 | } // if
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378 | q->type->forall = 0;
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379 | } // if
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380 | } // if
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381 | } // if
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382 | delete q;
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383 | return this;
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384 | }
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385 |
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386 | DeclarationNode *DeclarationNode::copyStorageClasses( DeclarationNode *q ) {
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387 | storageClasses = q->storageClasses;
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388 | return this;
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389 | }
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390 |
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391 | static void addTypeToType( TypeData *&src, TypeData *&dst ) {
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392 | if ( src && dst ) {
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393 | if ( src->forall && dst->kind == TypeData::Function ) {
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394 | if ( dst->forall ) {
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395 | dst->forall->appendList( src->forall );
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396 | } else {
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397 | dst->forall = src->forall;
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398 | } // if
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399 | src->forall = 0;
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400 | } // if
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401 | if ( dst->base ) {
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402 | addTypeToType( src, dst->base );
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403 | } else {
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404 | switch ( dst->kind ) {
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405 | case TypeData::Unknown:
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406 | src->qualifiers.splice( src->qualifiers.end(), dst->qualifiers );
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407 | dst = src;
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408 | src = 0;
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409 | break;
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410 | case TypeData::Basic:
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411 | dst->qualifiers.splice( dst->qualifiers.end(), src->qualifiers );
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412 | if ( src->kind != TypeData::Unknown ) {
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413 | assert( src->kind == TypeData::Basic );
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414 | dst->basic->modifiers.splice( dst->basic->modifiers.end(), src->basic->modifiers );
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415 | dst->basic->typeSpec.splice( dst->basic->typeSpec.end(), src->basic->typeSpec );
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416 | } // if
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417 | break;
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418 | default:
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419 | switch ( src->kind ) {
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420 | case TypeData::Aggregate:
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421 | case TypeData::Enum:
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422 | dst->base = new TypeData( TypeData::AggregateInst );
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423 | dst->base->aggInst->aggregate = src;
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---|
424 | if ( src->kind == TypeData::Aggregate ) {
|
---|
425 | dst->base->aggInst->params = maybeClone( src->aggregate->actuals );
|
---|
426 | } // if
|
---|
427 | dst->base->qualifiers.splice( dst->base->qualifiers.end(), src->qualifiers );
|
---|
428 | src = 0;
|
---|
429 | break;
|
---|
430 | default:
|
---|
431 | if ( dst->forall ) {
|
---|
432 | dst->forall->appendList( src->forall );
|
---|
433 | } else {
|
---|
434 | dst->forall = src->forall;
|
---|
435 | } // if
|
---|
436 | src->forall = 0;
|
---|
437 | dst->base = src;
|
---|
438 | src = 0;
|
---|
439 | } // switch
|
---|
440 | } // switch
|
---|
441 | } // if
|
---|
442 | } // if
|
---|
443 | }
|
---|
444 |
|
---|
445 | DeclarationNode *DeclarationNode::addType( DeclarationNode *o ) {
|
---|
446 | if ( o ) {
|
---|
447 | storageClasses.splice( storageClasses.end(), o->storageClasses );
|
---|
448 | if ( o->type ) {
|
---|
449 | if ( ! type ) {
|
---|
450 | if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) {
|
---|
451 | type = new TypeData( TypeData::AggregateInst );
|
---|
452 | type->aggInst->aggregate = o->type;
|
---|
453 | if ( o->type->kind == TypeData::Aggregate ) {
|
---|
454 | type->aggInst->params = maybeClone( o->type->aggregate->actuals );
|
---|
455 | } // if
|
---|
456 | type->qualifiers.splice( type->qualifiers.end(), o->type->qualifiers );
|
---|
457 | } else {
|
---|
458 | type = o->type;
|
---|
459 | } // if
|
---|
460 | o->type = 0;
|
---|
461 | } else {
|
---|
462 | addTypeToType( o->type, type );
|
---|
463 | } // if
|
---|
464 | } // if
|
---|
465 | if ( o->bitfieldWidth ) {
|
---|
466 | bitfieldWidth = o->bitfieldWidth;
|
---|
467 | } // if
|
---|
468 |
|
---|
469 | // there may be typedefs chained onto the type
|
---|
470 | if ( o->get_link() ) {
|
---|
471 | set_link( o->get_link()->clone() );
|
---|
472 | } // if
|
---|
473 | } // if
|
---|
474 | delete o;
|
---|
475 | return this;
|
---|
476 | }
|
---|
477 |
|
---|
478 | DeclarationNode *DeclarationNode::addTypedef() {
|
---|
479 | TypeData *newtype = new TypeData( TypeData::Symbolic );
|
---|
480 | newtype->symbolic->params = 0;
|
---|
481 | newtype->symbolic->isTypedef = true;
|
---|
482 | newtype->symbolic->name = name;
|
---|
483 | newtype->base = type;
|
---|
484 | type = newtype;
|
---|
485 | return this;
|
---|
486 | }
|
---|
487 |
|
---|
488 | DeclarationNode *DeclarationNode::addAssertions( DeclarationNode *assertions ) {
|
---|
489 | assert( type );
|
---|
490 | switch ( type->kind ) {
|
---|
491 | case TypeData::Symbolic:
|
---|
492 | if ( type->symbolic->assertions ) {
|
---|
493 | type->symbolic->assertions->appendList( assertions );
|
---|
494 | } else {
|
---|
495 | type->symbolic->assertions = assertions;
|
---|
496 | } // if
|
---|
497 | break;
|
---|
498 | case TypeData::Variable:
|
---|
499 | if ( type->variable->assertions ) {
|
---|
500 | type->variable->assertions->appendList( assertions );
|
---|
501 | } else {
|
---|
502 | type->variable->assertions = assertions;
|
---|
503 | } // if
|
---|
504 | break;
|
---|
505 | default:
|
---|
506 | assert( false );
|
---|
507 | } // switch
|
---|
508 |
|
---|
509 | return this;
|
---|
510 | }
|
---|
511 |
|
---|
512 | DeclarationNode *DeclarationNode::addName( std::string *newname ) {
|
---|
513 | name = assign_strptr( newname );
|
---|
514 | return this;
|
---|
515 | }
|
---|
516 |
|
---|
517 | DeclarationNode *DeclarationNode::addBitfield( ExpressionNode *size ) {
|
---|
518 | bitfieldWidth = size;
|
---|
519 | return this;
|
---|
520 | }
|
---|
521 |
|
---|
522 | DeclarationNode *DeclarationNode::addVarArgs() {
|
---|
523 | assert( type );
|
---|
524 | hasEllipsis = true;
|
---|
525 | return this;
|
---|
526 | }
|
---|
527 |
|
---|
528 | DeclarationNode *DeclarationNode::addFunctionBody( StatementNode *body ) {
|
---|
529 | assert( type );
|
---|
530 | assert( type->kind == TypeData::Function );
|
---|
531 | assert( type->function->body == 0 );
|
---|
532 | type->function->body = body;
|
---|
533 | type->function->hasBody = true;
|
---|
534 | return this;
|
---|
535 | }
|
---|
536 |
|
---|
537 | DeclarationNode *DeclarationNode::addOldDeclList( DeclarationNode *list ) {
|
---|
538 | assert( type );
|
---|
539 | assert( type->kind == TypeData::Function );
|
---|
540 | assert( type->function->oldDeclList == 0 );
|
---|
541 | type->function->oldDeclList = list;
|
---|
542 | return this;
|
---|
543 | }
|
---|
544 |
|
---|
545 | static void setBase( TypeData *&type, TypeData *newType ) {
|
---|
546 | if ( type ) {
|
---|
547 | TypeData *prevBase = type;
|
---|
548 | TypeData *curBase = type->base;
|
---|
549 | while ( curBase != 0 ) {
|
---|
550 | prevBase = curBase;
|
---|
551 | curBase = curBase->base;
|
---|
552 | } // while
|
---|
553 | prevBase->base = newType;
|
---|
554 | } else {
|
---|
555 | type = newType;
|
---|
556 | } // if
|
---|
557 | }
|
---|
558 |
|
---|
559 | DeclarationNode *DeclarationNode::addPointer( DeclarationNode *p ) {
|
---|
560 | if ( p ) {
|
---|
561 | assert( p->type->kind == TypeData::Pointer );
|
---|
562 | setBase( type, p->type );
|
---|
563 | p->type = 0;
|
---|
564 | delete p;
|
---|
565 | } // if
|
---|
566 | return this;
|
---|
567 | }
|
---|
568 |
|
---|
569 | DeclarationNode *DeclarationNode::addArray( DeclarationNode *a ) {
|
---|
570 | if ( a ) {
|
---|
571 | assert( a->type->kind == TypeData::Array );
|
---|
572 | setBase( type, a->type );
|
---|
573 | a->type = 0;
|
---|
574 | delete a;
|
---|
575 | } // if
|
---|
576 | return this;
|
---|
577 | }
|
---|
578 |
|
---|
579 | DeclarationNode *DeclarationNode::addNewPointer( DeclarationNode *p ) {
|
---|
580 | if ( p ) {
|
---|
581 | assert( p->type->kind == TypeData::Pointer );
|
---|
582 | if ( type ) {
|
---|
583 | switch ( type->kind ) {
|
---|
584 | case TypeData::Aggregate:
|
---|
585 | case TypeData::Enum:
|
---|
586 | p->type->base = new TypeData( TypeData::AggregateInst );
|
---|
587 | p->type->base->aggInst->aggregate = type;
|
---|
588 | if ( type->kind == TypeData::Aggregate ) {
|
---|
589 | p->type->base->aggInst->params = maybeClone( type->aggregate->actuals );
|
---|
590 | } // if
|
---|
591 | p->type->base->qualifiers.splice( p->type->base->qualifiers.end(), type->qualifiers );
|
---|
592 | break;
|
---|
593 |
|
---|
594 | default:
|
---|
595 | p->type->base = type;
|
---|
596 | } // switch
|
---|
597 | type = 0;
|
---|
598 | } // if
|
---|
599 | delete this;
|
---|
600 | return p;
|
---|
601 | } else {
|
---|
602 | return this;
|
---|
603 | } // if
|
---|
604 | }
|
---|
605 |
|
---|
606 | static TypeData *findLast( TypeData *a ) {
|
---|
607 | assert( a );
|
---|
608 | TypeData *cur = a;
|
---|
609 | while ( cur->base ) {
|
---|
610 | cur = cur->base;
|
---|
611 | } // while
|
---|
612 | return cur;
|
---|
613 | }
|
---|
614 |
|
---|
615 | DeclarationNode *DeclarationNode::addNewArray( DeclarationNode *a ) {
|
---|
616 | if ( a ) {
|
---|
617 | assert( a->type->kind == TypeData::Array );
|
---|
618 | TypeData *lastArray = findLast( a->type );
|
---|
619 | if ( type ) {
|
---|
620 | switch ( type->kind ) {
|
---|
621 | case TypeData::Aggregate:
|
---|
622 | case TypeData::Enum:
|
---|
623 | lastArray->base = new TypeData( TypeData::AggregateInst );
|
---|
624 | lastArray->base->aggInst->aggregate = type;
|
---|
625 | if ( type->kind == TypeData::Aggregate ) {
|
---|
626 | lastArray->base->aggInst->params = maybeClone( type->aggregate->actuals );
|
---|
627 | } // if
|
---|
628 | lastArray->base->qualifiers.splice( lastArray->base->qualifiers.end(), type->qualifiers );
|
---|
629 | break;
|
---|
630 | default:
|
---|
631 | lastArray->base = type;
|
---|
632 | } // switch
|
---|
633 | type = 0;
|
---|
634 | } // if
|
---|
635 | delete this;
|
---|
636 | return a;
|
---|
637 | } else {
|
---|
638 | return this;
|
---|
639 | } // if
|
---|
640 | }
|
---|
641 |
|
---|
642 | DeclarationNode *DeclarationNode::addParamList( DeclarationNode *params ) {
|
---|
643 | TypeData *ftype = new TypeData( TypeData::Function );
|
---|
644 | ftype->function->params = params;
|
---|
645 | setBase( type, ftype );
|
---|
646 | return this;
|
---|
647 | }
|
---|
648 |
|
---|
649 | static TypeData *addIdListToType( TypeData *type, DeclarationNode *ids ) {
|
---|
650 | if ( type ) {
|
---|
651 | if ( type->kind != TypeData::Function ) {
|
---|
652 | type->base = addIdListToType( type->base, ids );
|
---|
653 | } else {
|
---|
654 | type->function->idList = ids;
|
---|
655 | } // if
|
---|
656 | return type;
|
---|
657 | } else {
|
---|
658 | TypeData *newtype = new TypeData( TypeData::Function );
|
---|
659 | newtype->function->idList = ids;
|
---|
660 | return newtype;
|
---|
661 | } // if
|
---|
662 | }
|
---|
663 |
|
---|
664 | DeclarationNode *DeclarationNode::addIdList( DeclarationNode *ids ) {
|
---|
665 | type = addIdListToType( type, ids );
|
---|
666 | return this;
|
---|
667 | }
|
---|
668 |
|
---|
669 | DeclarationNode *DeclarationNode::addInitializer( InitializerNode *init ) {
|
---|
670 | //assert
|
---|
671 | initializer = init;
|
---|
672 | return this;
|
---|
673 | }
|
---|
674 |
|
---|
675 | DeclarationNode *DeclarationNode::cloneBaseType( string *newName ) {
|
---|
676 | DeclarationNode *newnode = new DeclarationNode;
|
---|
677 | TypeData *srcType = type;
|
---|
678 | while ( srcType->base ) {
|
---|
679 | srcType = srcType->base;
|
---|
680 | } // while
|
---|
681 | newnode->type = maybeClone( srcType );
|
---|
682 | if ( newnode->type->kind == TypeData::AggregateInst ) {
|
---|
683 | // don't duplicate members
|
---|
684 | if ( newnode->type->aggInst->aggregate->kind == TypeData::Enum ) {
|
---|
685 | delete newnode->type->aggInst->aggregate->enumeration->constants;
|
---|
686 | newnode->type->aggInst->aggregate->enumeration->constants = 0;
|
---|
687 | } else {
|
---|
688 | assert( newnode->type->aggInst->aggregate->kind == TypeData::Aggregate );
|
---|
689 | delete newnode->type->aggInst->aggregate->aggregate->fields;
|
---|
690 | newnode->type->aggInst->aggregate->aggregate->fields = 0;
|
---|
691 | } // if
|
---|
692 | } // if
|
---|
693 | newnode->type->forall = maybeClone( type->forall );
|
---|
694 | newnode->storageClasses = storageClasses;
|
---|
695 | newnode->name = assign_strptr( newName );
|
---|
696 | return newnode;
|
---|
697 | }
|
---|
698 |
|
---|
699 | DeclarationNode *DeclarationNode::cloneBaseType( DeclarationNode *o ) {
|
---|
700 | if ( o ) {
|
---|
701 | o->storageClasses.insert( o->storageClasses.end(), storageClasses.begin(), storageClasses.end() );
|
---|
702 | if ( type ) {
|
---|
703 | TypeData *srcType = type;
|
---|
704 | while ( srcType->base ) {
|
---|
705 | srcType = srcType->base;
|
---|
706 | } // while
|
---|
707 | TypeData *newType = srcType->clone();
|
---|
708 | if ( newType->kind == TypeData::AggregateInst ) {
|
---|
709 | // don't duplicate members
|
---|
710 | if ( newType->aggInst->aggregate->kind == TypeData::Enum ) {
|
---|
711 | delete newType->aggInst->aggregate->enumeration->constants;
|
---|
712 | newType->aggInst->aggregate->enumeration->constants = 0;
|
---|
713 | } else {
|
---|
714 | assert( newType->aggInst->aggregate->kind == TypeData::Aggregate );
|
---|
715 | delete newType->aggInst->aggregate->aggregate->fields;
|
---|
716 | newType->aggInst->aggregate->aggregate->fields = 0;
|
---|
717 | } // if
|
---|
718 | } // if
|
---|
719 | newType->forall = maybeClone( type->forall );
|
---|
720 | if ( ! o->type ) {
|
---|
721 | o->type = newType;
|
---|
722 | } else {
|
---|
723 | addTypeToType( newType, o->type );
|
---|
724 | delete newType;
|
---|
725 | } // if
|
---|
726 | } // if
|
---|
727 | } // if
|
---|
728 | return o;
|
---|
729 | }
|
---|
730 |
|
---|
731 | DeclarationNode *DeclarationNode::cloneType( string *newName ) {
|
---|
732 | DeclarationNode *newnode = new DeclarationNode;
|
---|
733 | newnode->type = maybeClone( type );
|
---|
734 | newnode->storageClasses = storageClasses;
|
---|
735 | newnode->name = assign_strptr( newName );
|
---|
736 | return newnode;
|
---|
737 | }
|
---|
738 |
|
---|
739 | DeclarationNode *DeclarationNode::cloneType( DeclarationNode *o ) {
|
---|
740 | if ( o ) {
|
---|
741 | o->storageClasses.insert( o->storageClasses.end(), storageClasses.begin(), storageClasses.end() );
|
---|
742 | if ( type ) {
|
---|
743 | TypeData *newType = type->clone();
|
---|
744 | if ( ! o->type ) {
|
---|
745 | o->type = newType;
|
---|
746 | } else {
|
---|
747 | addTypeToType( newType, o->type );
|
---|
748 | delete newType;
|
---|
749 | } // if
|
---|
750 | } // if
|
---|
751 | } // if
|
---|
752 | return o;
|
---|
753 | }
|
---|
754 |
|
---|
755 | DeclarationNode *DeclarationNode::appendList( DeclarationNode *node ) {
|
---|
756 | if ( node != 0 ) {
|
---|
757 | set_link( node );
|
---|
758 | } // if
|
---|
759 | return this;
|
---|
760 | }
|
---|
761 |
|
---|
762 | DeclarationNode *DeclarationNode::extractAggregate() const {
|
---|
763 | if ( type ) {
|
---|
764 | TypeData *ret = type->extractAggregate();
|
---|
765 | if ( ret ) {
|
---|
766 | DeclarationNode *newnode = new DeclarationNode;
|
---|
767 | newnode->type = ret;
|
---|
768 | return newnode;
|
---|
769 | } // if
|
---|
770 | } // if
|
---|
771 | return 0;
|
---|
772 | }
|
---|
773 |
|
---|
774 | void buildList( const DeclarationNode *firstNode, std::list< Declaration * > &outputList ) {
|
---|
775 | SemanticError errors;
|
---|
776 | std::back_insert_iterator< std::list< Declaration *> > out( outputList );
|
---|
777 | const DeclarationNode *cur = firstNode;
|
---|
778 | while ( cur ) {
|
---|
779 | try {
|
---|
780 | if ( DeclarationNode *extr = cur->extractAggregate() ) {
|
---|
781 | // handle the case where a structure declaration is contained within an object or type declaration
|
---|
782 | Declaration *decl = extr->build();
|
---|
783 | if ( decl ) {
|
---|
784 | *out++ = decl;
|
---|
785 | } // if
|
---|
786 | } // if
|
---|
787 | Declaration *decl = cur->build();
|
---|
788 | if ( decl ) {
|
---|
789 | *out++ = decl;
|
---|
790 | } // if
|
---|
791 | } catch( SemanticError &e ) {
|
---|
792 | errors.append( e );
|
---|
793 | } // try
|
---|
794 | cur = dynamic_cast<DeclarationNode *>( cur->get_link() );
|
---|
795 | } // while
|
---|
796 | if ( ! errors.isEmpty() ) {
|
---|
797 | throw errors;
|
---|
798 | } // if
|
---|
799 | }
|
---|
800 |
|
---|
801 | void buildList( const DeclarationNode *firstNode, std::list< DeclarationWithType *> &outputList ) {
|
---|
802 | SemanticError errors;
|
---|
803 | std::back_insert_iterator< std::list< DeclarationWithType *> > out( outputList );
|
---|
804 | const DeclarationNode *cur = firstNode;
|
---|
805 | while ( cur ) {
|
---|
806 | try {
|
---|
807 | /// if ( DeclarationNode *extr = cur->extractAggregate() ) {
|
---|
808 | /// // handle the case where a structure declaration is contained within an object or type
|
---|
809 | /// // declaration
|
---|
810 | /// Declaration *decl = extr->build();
|
---|
811 | /// if ( decl ) {
|
---|
812 | /// *out++ = decl;
|
---|
813 | /// }
|
---|
814 | /// }
|
---|
815 | Declaration *decl = cur->build();
|
---|
816 | if ( decl ) {
|
---|
817 | if ( DeclarationWithType *dwt = dynamic_cast< DeclarationWithType *>( decl ) ) {
|
---|
818 | *out++ = dwt;
|
---|
819 | } else if ( StructDecl *agg = dynamic_cast< StructDecl *>( decl ) ) {
|
---|
820 | StructInstType *inst = new StructInstType( Type::Qualifiers(), agg->get_name() );
|
---|
821 | *out++ = new ObjectDecl( "", DeclarationNode::NoStorageClass, linkage, 0, inst, 0 );
|
---|
822 | delete agg;
|
---|
823 | } else if ( UnionDecl *agg = dynamic_cast< UnionDecl *>( decl ) ) {
|
---|
824 | UnionInstType *inst = new UnionInstType( Type::Qualifiers(), agg->get_name() );
|
---|
825 | *out++ = new ObjectDecl( "", DeclarationNode::NoStorageClass, linkage, 0, inst, 0 );
|
---|
826 | } // if
|
---|
827 | } // if
|
---|
828 | } catch( SemanticError &e ) {
|
---|
829 | errors.append( e );
|
---|
830 | } // try
|
---|
831 | cur = dynamic_cast< DeclarationNode *>( cur->get_link() );
|
---|
832 | } // while
|
---|
833 | if ( ! errors.isEmpty() ) {
|
---|
834 | throw errors;
|
---|
835 | } // if
|
---|
836 | }
|
---|
837 |
|
---|
838 | void buildTypeList( const DeclarationNode *firstNode, std::list< Type *> &outputList ) {
|
---|
839 | SemanticError errors;
|
---|
840 | std::back_insert_iterator< std::list< Type *> > out( outputList );
|
---|
841 | const DeclarationNode *cur = firstNode;
|
---|
842 | while ( cur ) {
|
---|
843 | try {
|
---|
844 | *out++ = cur->buildType();
|
---|
845 | } catch( SemanticError &e ) {
|
---|
846 | errors.append( e );
|
---|
847 | } // try
|
---|
848 | cur = dynamic_cast< DeclarationNode *>( cur->get_link() );
|
---|
849 | } // while
|
---|
850 | if ( ! errors.isEmpty() ) {
|
---|
851 | throw errors;
|
---|
852 | } // if
|
---|
853 | }
|
---|
854 |
|
---|
855 | Declaration *DeclarationNode::build() const {
|
---|
856 | if ( type ) {
|
---|
857 | Declaration *newDecl = type->buildDecl( name, buildStorageClass(), maybeBuild< Expression >( bitfieldWidth ), buildFuncSpecifier( Inline ), buildFuncSpecifier( Noreturn ), linkage, maybeBuild< Initializer >(initializer) );
|
---|
858 | return newDecl;
|
---|
859 | } // if
|
---|
860 | if ( ! buildFuncSpecifier( Inline ) && ! buildFuncSpecifier( Noreturn ) ) {
|
---|
861 | return new ObjectDecl( name, buildStorageClass(), linkage, maybeBuild< Expression >( bitfieldWidth ), 0, maybeBuild< Initializer >( initializer ) );
|
---|
862 | } // if
|
---|
863 | throw SemanticError( "invalid function specifier in declaration of ", this );
|
---|
864 | }
|
---|
865 |
|
---|
866 | Type *DeclarationNode::buildType() const {
|
---|
867 | assert( type );
|
---|
868 |
|
---|
869 | switch ( type->kind ) {
|
---|
870 | case TypeData::Enum:
|
---|
871 | return new EnumInstType( type->buildQualifiers(), type->enumeration->name );
|
---|
872 | case TypeData::Aggregate: {
|
---|
873 | ReferenceToType *ret;
|
---|
874 | switch ( type->aggregate->kind ) {
|
---|
875 | case DeclarationNode::Struct:
|
---|
876 | ret = new StructInstType( type->buildQualifiers(), type->aggregate->name );
|
---|
877 | break;
|
---|
878 | case DeclarationNode::Union:
|
---|
879 | ret = new UnionInstType( type->buildQualifiers(), type->aggregate->name );
|
---|
880 | break;
|
---|
881 | case DeclarationNode::Trait:
|
---|
882 | ret = new TraitInstType( type->buildQualifiers(), type->aggregate->name );
|
---|
883 | break;
|
---|
884 | default:
|
---|
885 | assert( false );
|
---|
886 | } // switch
|
---|
887 | buildList( type->aggregate->actuals, ret->get_parameters() );
|
---|
888 | return ret;
|
---|
889 | }
|
---|
890 | case TypeData::Symbolic: {
|
---|
891 | TypeInstType *ret = new TypeInstType( type->buildQualifiers(), type->symbolic->name, false );
|
---|
892 | buildList( type->symbolic->actuals, ret->get_parameters() );
|
---|
893 | return ret;
|
---|
894 | }
|
---|
895 | default:
|
---|
896 | return type->build();
|
---|
897 | } // switch
|
---|
898 | }
|
---|
899 |
|
---|
900 | DeclarationNode::StorageClass DeclarationNode::buildStorageClass() const {
|
---|
901 | DeclarationNode::StorageClass ret = DeclarationNode::NoStorageClass;
|
---|
902 | for ( std::list< DeclarationNode::StorageClass >::const_iterator i = storageClasses.begin(); i != storageClasses.end(); ++i ) {
|
---|
903 | if ( *i == DeclarationNode::Inline || *i == DeclarationNode::Noreturn ) continue; // ignore function specifiers
|
---|
904 | if ( ret != DeclarationNode::NoStorageClass ) { // already have a valid storage class ?
|
---|
905 | throw SemanticError( "invalid combination of storage classes in declaration of ", this );
|
---|
906 | } // if
|
---|
907 | ret = *i;
|
---|
908 | } // for
|
---|
909 | return ret;
|
---|
910 | }
|
---|
911 |
|
---|
912 | bool DeclarationNode::buildFuncSpecifier( DeclarationNode::StorageClass key ) const {
|
---|
913 | std::list< DeclarationNode::StorageClass >::const_iterator first = std::find( storageClasses.begin(), storageClasses.end(), key );
|
---|
914 | if ( first == storageClasses.end() ) return false; // not found
|
---|
915 | first = std::find( ++first, storageClasses.end(), key ); // found
|
---|
916 | if ( first == storageClasses.end() ) return true; // not found again
|
---|
917 | throw SemanticError( "duplicate function specifier in declaration of ", this );
|
---|
918 | }
|
---|
919 |
|
---|
920 | // Local Variables: //
|
---|
921 | // tab-width: 4 //
|
---|
922 | // mode: c++ //
|
---|
923 | // compile-command: "make install" //
|
---|
924 | // End: //
|
---|