[51b7345] | 1 | #include <string> |
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| 2 | #include <list> |
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| 3 | #include <iterator> |
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| 4 | #include <algorithm> |
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| 5 | #include <cassert> |
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| 6 | |
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| 7 | #include "ParseNode.h" |
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| 8 | #include "TypeData.h" |
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| 9 | #include "utility.h" |
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| 10 | #include "SynTree/Declaration.h" |
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| 11 | #include "SynTree/Expression.h" |
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| 12 | #include "SynTree/Initializer.h" |
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| 13 | #include "SemanticError.h" |
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| 14 | #include "UniqueName.h" |
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| 15 | #include "LinkageSpec.h" |
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| 16 | |
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| 17 | using namespace std; |
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| 18 | |
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| 19 | /* these must remain in the same order as the corresponding DeclarationNode enumerations */ |
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| 20 | const char *DeclarationNode::qualifierName[] = { "const", "restrict", "volatile", "lvalue" }; |
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| 21 | const char *DeclarationNode::basicTypeName[] = { "char", "int", "float", "double", "void", "bool", "complex", "imaginary" }; |
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| 22 | const char *DeclarationNode::modifierName[] = { "signed", "unsigned", "short", "long" }; |
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| 23 | const char *DeclarationNode::tyConName[] = { "struct", "union", "context" }; |
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| 24 | const char *DeclarationNode::typeClassName[] = { "type", "dtype", "ftype" }; |
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| 25 | |
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| 26 | UniqueName DeclarationNode::anonymous( "__anonymous" ); |
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| 27 | |
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| 28 | extern LinkageSpec::Type linkage; /* defined in cfa.y */ |
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| 29 | |
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[3848e0e] | 30 | DeclarationNode *DeclarationNode::clone() const { |
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| 31 | DeclarationNode *newnode = new DeclarationNode; |
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| 32 | newnode->type = maybeClone( type ); |
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| 33 | newnode->name = name; |
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| 34 | newnode->storageClasses = storageClasses; |
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| 35 | newnode->bitfieldWidth = maybeClone( bitfieldWidth ); |
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| 36 | newnode->hasEllipsis = hasEllipsis; |
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| 37 | newnode->initializer = initializer; |
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| 38 | newnode->next = maybeClone( next ); |
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| 39 | newnode->linkage = linkage; |
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| 40 | return newnode; |
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| 41 | } |
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| 42 | |
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| 43 | DeclarationNode::DeclarationNode() : type( 0 ), bitfieldWidth( 0 ), initializer( 0 ), hasEllipsis( false ), linkage( ::linkage ) { |
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| 44 | } |
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| 45 | |
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| 46 | DeclarationNode::~DeclarationNode() { |
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| 47 | delete type; |
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| 48 | delete bitfieldWidth; |
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| 49 | delete initializer; |
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| 50 | } |
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| 51 | |
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| 52 | bool DeclarationNode::get_hasEllipsis() const { |
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| 53 | return hasEllipsis; |
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| 54 | } |
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| 55 | |
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| 56 | const char *storageClassName[] = { |
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| 57 | // order must correspond with DeclarationNode::StorageClass |
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| 58 | "static", |
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| 59 | "auto", |
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| 60 | "extern", |
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| 61 | "register", |
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| 62 | "inline", |
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| 63 | "fortran", |
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[51b7345] | 64 | }; |
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| 65 | |
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[3848e0e] | 66 | void DeclarationNode::print( std::ostream &os, int indent ) const { |
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| 67 | os << string(indent, ' ' ); |
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| 68 | if ( name == "" ) { |
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[51b7345] | 69 | /// os << "An unnamed "; |
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[3848e0e] | 70 | } else { |
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| 71 | os << name << ": a "; |
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| 72 | } |
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[51b7345] | 73 | |
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[3848e0e] | 74 | if ( linkage != LinkageSpec::Cforall ) { |
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| 75 | os << LinkageSpec::toString( linkage ) << " "; |
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[51b7345] | 76 | } |
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[3848e0e] | 77 | |
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| 78 | printEnums( storageClasses.begin(), storageClasses.end(), storageClassName, os ); |
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| 79 | if ( type ) { |
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| 80 | type->print( os, indent ); |
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[51b7345] | 81 | } else { |
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[3848e0e] | 82 | os << "untyped entity "; |
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[51b7345] | 83 | } |
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[3848e0e] | 84 | |
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| 85 | if ( bitfieldWidth ) { |
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| 86 | os << endl << string(indent+2, ' ') << "with bitfield width "; |
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| 87 | bitfieldWidth->printOneLine( os ); |
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| 88 | } |
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| 89 | |
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| 90 | if ( initializer != 0 ) { |
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| 91 | os << endl << string(indent+2, ' ') << "with initializer "; |
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| 92 | initializer->printOneLine( os ); |
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[51b7345] | 93 | } |
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[3848e0e] | 94 | |
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| 95 | os << endl; |
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[51b7345] | 96 | } |
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| 97 | |
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[3848e0e] | 98 | void DeclarationNode::printList( std::ostream &os, int indent ) const { |
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| 99 | ParseNode::printList( os, indent ); |
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| 100 | if ( hasEllipsis ) { |
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| 101 | os << string( indent, ' ' ) << "and a variable number of other arguments" << endl; |
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| 102 | } |
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[51b7345] | 103 | } |
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| 104 | |
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[3848e0e] | 105 | DeclarationNode *DeclarationNode::newFunction( std::string* name, DeclarationNode *ret, DeclarationNode *param, StatementNode *body, bool newStyle ) { |
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| 106 | DeclarationNode *newnode = new DeclarationNode; |
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| 107 | newnode->name = assign_strptr( name ); |
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| 108 | |
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| 109 | newnode->type = new TypeData( TypeData::Function ); |
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| 110 | newnode->type->function->params = param; |
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| 111 | newnode->type->function->newStyle = newStyle; |
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| 112 | newnode->type->function->body = body; |
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| 113 | |
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| 114 | if ( body ) { |
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| 115 | newnode->type->function->hasBody = true; |
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[51b7345] | 116 | } |
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| 117 | |
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[3848e0e] | 118 | if ( ret ) { |
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| 119 | newnode->type->base = ret->type; |
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| 120 | ret->type = 0; |
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| 121 | delete ret; |
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| 122 | } |
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[51b7345] | 123 | |
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[3848e0e] | 124 | return newnode; |
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| 125 | } |
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| 126 | |
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| 127 | DeclarationNode *DeclarationNode::newQualifier( Qualifier q ) { |
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| 128 | DeclarationNode *newnode = new DeclarationNode; |
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| 129 | newnode->type = new TypeData(); |
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| 130 | newnode->type->qualifiers.push_back( q ); |
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| 131 | return newnode; |
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| 132 | } |
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| 133 | |
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| 134 | DeclarationNode *DeclarationNode::newStorageClass( StorageClass sc ) { |
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| 135 | DeclarationNode *newnode = new DeclarationNode; |
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| 136 | newnode->storageClasses.push_back( sc ); |
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| 137 | return newnode; |
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| 138 | } |
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| 139 | |
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| 140 | DeclarationNode *DeclarationNode::newBasicType( BasicType bt ) { |
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| 141 | DeclarationNode *newnode = new DeclarationNode; |
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| 142 | newnode->type = new TypeData( TypeData::Basic ); |
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| 143 | newnode->type->basic->typeSpec.push_back( bt ); |
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| 144 | return newnode; |
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| 145 | } |
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| 146 | |
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| 147 | DeclarationNode *DeclarationNode::newModifier( Modifier mod ) { |
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| 148 | DeclarationNode *newnode = new DeclarationNode; |
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| 149 | newnode->type = new TypeData( TypeData::Basic ); |
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| 150 | newnode->type->basic->modifiers.push_back( mod ); |
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| 151 | return newnode; |
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| 152 | } |
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| 153 | |
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| 154 | DeclarationNode *DeclarationNode::newForall( DeclarationNode* forall ) { |
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| 155 | DeclarationNode *newnode = new DeclarationNode; |
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| 156 | newnode->type = new TypeData( TypeData::Unknown ); |
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| 157 | newnode->type->forall = forall; |
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| 158 | return newnode; |
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| 159 | } |
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| 160 | |
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| 161 | DeclarationNode *DeclarationNode::newFromTypedef( std::string* name ) { |
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| 162 | DeclarationNode *newnode = new DeclarationNode; |
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| 163 | newnode->type = new TypeData( TypeData::SymbolicInst ); |
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| 164 | newnode->type->symbolic->name = assign_strptr( name ); |
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| 165 | newnode->type->symbolic->isTypedef = true; |
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| 166 | newnode->type->symbolic->params = 0; |
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| 167 | return newnode; |
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| 168 | } |
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| 169 | |
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| 170 | DeclarationNode *DeclarationNode::newAggregate( TyCon kind, std::string* name, DeclarationNode *formals, ExpressionNode *actuals, DeclarationNode *fields ) { |
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| 171 | DeclarationNode *newnode = new DeclarationNode; |
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| 172 | newnode->type = new TypeData( TypeData::Aggregate ); |
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| 173 | newnode->type->aggregate->kind = kind; |
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| 174 | newnode->type->aggregate->name = assign_strptr( name ); |
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| 175 | if ( newnode->type->aggregate->name == "" ) { |
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| 176 | newnode->type->aggregate->name = DeclarationNode::anonymous.newName(); |
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[51b7345] | 177 | } |
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[3848e0e] | 178 | newnode->type->aggregate->params = formals; |
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| 179 | newnode->type->aggregate->actuals = actuals; |
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| 180 | newnode->type->aggregate->members = fields; |
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| 181 | return newnode; |
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| 182 | } |
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| 183 | |
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| 184 | DeclarationNode *DeclarationNode::newEnum( std::string *name, DeclarationNode *constants ) { |
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| 185 | DeclarationNode *newnode = new DeclarationNode; |
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| 186 | newnode->name = assign_strptr( name ); |
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| 187 | newnode->type = new TypeData( TypeData::Enum ); |
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| 188 | newnode->type->enumeration->name = newnode->name; |
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| 189 | if ( newnode->type->enumeration->name == "" ) { |
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| 190 | newnode->type->enumeration->name = DeclarationNode::anonymous.newName(); |
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| 191 | } |
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| 192 | newnode->type->enumeration->constants = constants; |
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| 193 | return newnode; |
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| 194 | } |
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| 195 | |
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| 196 | DeclarationNode *DeclarationNode::newEnumConstant( std::string* name, ExpressionNode *constant ) { |
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| 197 | DeclarationNode *newnode = new DeclarationNode; |
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| 198 | newnode->name = assign_strptr( name ); |
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| 199 | // do something with the constant |
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| 200 | return newnode; |
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| 201 | } |
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| 202 | |
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| 203 | DeclarationNode *DeclarationNode::newName( std::string* name ) { |
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| 204 | DeclarationNode *newnode = new DeclarationNode; |
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| 205 | newnode->name = assign_strptr( name ); |
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| 206 | return newnode; |
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| 207 | } |
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| 208 | |
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| 209 | DeclarationNode *DeclarationNode::newFromTypeGen( std::string* name, ExpressionNode *params ) { |
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| 210 | DeclarationNode *newnode = new DeclarationNode; |
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| 211 | newnode->type = new TypeData( TypeData::SymbolicInst ); |
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| 212 | newnode->type->symbolic->name = assign_strptr( name ); |
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| 213 | newnode->type->symbolic->isTypedef = false; |
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| 214 | newnode->type->symbolic->actuals = params; |
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| 215 | return newnode; |
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| 216 | } |
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| 217 | |
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| 218 | DeclarationNode *DeclarationNode::newTypeParam( TypeClass tc, std::string* name ) { |
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| 219 | DeclarationNode *newnode = new DeclarationNode; |
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| 220 | newnode->name = assign_strptr( name ); |
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| 221 | newnode->type = new TypeData( TypeData::Variable ); |
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| 222 | newnode->type->variable->tyClass = tc; |
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| 223 | newnode->type->variable->name = newnode->name; |
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| 224 | return newnode; |
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| 225 | } |
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| 226 | |
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| 227 | DeclarationNode *DeclarationNode::newContext( std::string *name, DeclarationNode *params, DeclarationNode *asserts ) { |
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| 228 | DeclarationNode *newnode = new DeclarationNode; |
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| 229 | newnode->type = new TypeData( TypeData::Aggregate ); |
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| 230 | newnode->type->aggregate->kind = Context; |
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| 231 | newnode->type->aggregate->params = params; |
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| 232 | newnode->type->aggregate->members = asserts; |
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| 233 | newnode->type->aggregate->name = assign_strptr( name ); |
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| 234 | return newnode; |
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| 235 | } |
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| 236 | |
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| 237 | DeclarationNode *DeclarationNode::newContextUse( std::string *name, ExpressionNode *params ) { |
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| 238 | DeclarationNode *newnode = new DeclarationNode; |
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| 239 | newnode->type = new TypeData( TypeData::AggregateInst ); |
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| 240 | newnode->type->aggInst->aggregate = new TypeData( TypeData::Aggregate ); |
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| 241 | newnode->type->aggInst->aggregate->aggregate->kind = Context; |
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| 242 | newnode->type->aggInst->aggregate->aggregate->name = assign_strptr( name ); |
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| 243 | newnode->type->aggInst->params = params; |
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| 244 | return newnode; |
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| 245 | } |
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| 246 | |
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| 247 | DeclarationNode *DeclarationNode::newTypeDecl( std::string *name, DeclarationNode *typeParams ) { |
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| 248 | DeclarationNode *newnode = new DeclarationNode; |
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| 249 | newnode->name = assign_strptr( name ); |
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| 250 | newnode->type = new TypeData( TypeData::Symbolic ); |
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| 251 | newnode->type->symbolic->isTypedef = false; |
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| 252 | newnode->type->symbolic->params = typeParams; |
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| 253 | newnode->type->symbolic->name = newnode->name; |
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| 254 | return newnode; |
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| 255 | } |
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| 256 | |
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| 257 | DeclarationNode *DeclarationNode::newPointer( DeclarationNode *qualifiers ) { |
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| 258 | DeclarationNode *newnode = new DeclarationNode; |
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| 259 | newnode->type = new TypeData( TypeData::Pointer ); |
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| 260 | return newnode->addQualifiers( qualifiers ); |
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| 261 | } |
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| 262 | |
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| 263 | DeclarationNode *DeclarationNode::newArray( ExpressionNode *size, DeclarationNode *qualifiers, bool isStatic ) { |
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| 264 | DeclarationNode *newnode = new DeclarationNode; |
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| 265 | newnode->type = new TypeData( TypeData::Array ); |
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| 266 | newnode->type->array->dimension = size; |
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| 267 | newnode->type->array->isStatic = isStatic; |
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| 268 | newnode->type->array->isVarLen = false; |
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| 269 | return newnode->addQualifiers( qualifiers ); |
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| 270 | } |
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| 271 | |
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| 272 | DeclarationNode *DeclarationNode::newVarArray( DeclarationNode *qualifiers ) { |
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| 273 | DeclarationNode *newnode = new DeclarationNode; |
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| 274 | newnode->type = new TypeData( TypeData::Array ); |
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| 275 | newnode->type->array->dimension = 0; |
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| 276 | newnode->type->array->isStatic = false; |
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| 277 | newnode->type->array->isVarLen = true; |
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| 278 | return newnode->addQualifiers( qualifiers ); |
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| 279 | } |
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| 280 | |
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| 281 | DeclarationNode *DeclarationNode::newBitfield( ExpressionNode *size ) { |
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| 282 | DeclarationNode *newnode = new DeclarationNode; |
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| 283 | newnode->bitfieldWidth = size; |
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| 284 | return newnode; |
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| 285 | } |
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| 286 | |
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| 287 | DeclarationNode *DeclarationNode::newTuple( DeclarationNode *members ) { |
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| 288 | DeclarationNode *newnode = new DeclarationNode; |
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| 289 | newnode->type = new TypeData( TypeData::Tuple ); |
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| 290 | newnode->type->tuple->members = members; |
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| 291 | return newnode; |
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| 292 | } |
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| 293 | |
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| 294 | DeclarationNode *DeclarationNode::newTypeof( ExpressionNode *expr ) { |
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| 295 | DeclarationNode *newnode = new DeclarationNode; |
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| 296 | newnode->type = new TypeData( TypeData::Typeof ); |
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| 297 | newnode->type->typeexpr->expr = expr; |
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| 298 | return newnode; |
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| 299 | } |
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| 300 | |
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| 301 | DeclarationNode *DeclarationNode::newAttr( std::string *name, ExpressionNode *expr ) { |
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| 302 | DeclarationNode *newnode = new DeclarationNode; |
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| 303 | newnode->type = new TypeData( TypeData::Attr ); |
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| 304 | newnode->type->attr->name = assign_strptr( name ); |
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| 305 | newnode->type->attr->expr = expr; |
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| 306 | return newnode; |
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| 307 | } |
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| 308 | |
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| 309 | DeclarationNode *DeclarationNode::newAttr( std::string *name, DeclarationNode *type ) { |
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| 310 | DeclarationNode *newnode = new DeclarationNode; |
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| 311 | newnode->type = new TypeData( TypeData::Attr ); |
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| 312 | newnode->type->attr->name = assign_strptr( name ); |
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| 313 | newnode->type->attr->type = type; |
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| 314 | return newnode; |
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| 315 | } |
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| 316 | |
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| 317 | static void addQualifiersToType( TypeData *&src, TypeData *dst ) { |
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| 318 | if ( src && dst ) { |
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| 319 | if ( src->forall && dst->kind == TypeData::Function ) { |
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| 320 | if ( dst->forall ) { |
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| 321 | dst->forall->appendList( src->forall ); |
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| 322 | } else { |
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| 323 | dst->forall = src->forall; |
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| 324 | } |
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| 325 | src->forall = 0; |
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| 326 | } |
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| 327 | if ( dst->base ) { |
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| 328 | addQualifiersToType( src, dst->base ); |
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| 329 | } else if ( dst->kind == TypeData::Function ) { |
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| 330 | dst->base = src; |
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| 331 | src = 0; |
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[51b7345] | 332 | } else { |
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[3848e0e] | 333 | dst->qualifiers.splice( dst->qualifiers.end(), src->qualifiers ); |
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[51b7345] | 334 | } |
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| 335 | } |
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[3848e0e] | 336 | } |
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| 337 | |
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| 338 | DeclarationNode *DeclarationNode::addQualifiers( DeclarationNode *q ) { |
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| 339 | if ( q ) { |
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| 340 | storageClasses.splice( storageClasses.end(), q->storageClasses ); |
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| 341 | if ( q->type ) { |
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| 342 | if ( ! type ) { |
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| 343 | type = new TypeData; |
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| 344 | } |
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| 345 | addQualifiersToType( q->type, type ); |
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| 346 | if ( q->type && q->type->forall ) { |
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| 347 | if ( type->forall ) { |
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| 348 | type->forall->appendList( q->type->forall ); |
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| 349 | } else { |
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| 350 | type->forall = q->type->forall; |
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| 351 | } |
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| 352 | q->type->forall = 0; |
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| 353 | } |
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| 354 | } |
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[51b7345] | 355 | } |
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[3848e0e] | 356 | delete q; |
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| 357 | return this; |
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| 358 | } |
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| 359 | |
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| 360 | DeclarationNode *DeclarationNode::copyStorageClasses( DeclarationNode *q ) { |
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| 361 | storageClasses = q->storageClasses; |
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| 362 | return this; |
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| 363 | } |
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| 364 | |
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| 365 | static void addTypeToType( TypeData *&src, TypeData *&dst ) { |
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| 366 | if ( src && dst ) { |
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| 367 | if ( src->forall && dst->kind == TypeData::Function ) { |
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| 368 | if ( dst->forall ) { |
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| 369 | dst->forall->appendList( src->forall ); |
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| 370 | } else { |
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| 371 | dst->forall = src->forall; |
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| 372 | } |
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| 373 | src->forall = 0; |
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| 374 | } |
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| 375 | if ( dst->base ) { |
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| 376 | addTypeToType( src, dst->base ); |
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| 377 | } else { |
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| 378 | switch ( dst->kind ) { |
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| 379 | case TypeData::Unknown: |
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| 380 | src->qualifiers.splice( src->qualifiers.end(), dst->qualifiers ); |
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| 381 | dst = src; |
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| 382 | src = 0; |
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| 383 | break; |
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| 384 | |
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| 385 | case TypeData::Basic: |
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| 386 | dst->qualifiers.splice( dst->qualifiers.end(), src->qualifiers ); |
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| 387 | if ( src->kind != TypeData::Unknown ) { |
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| 388 | assert( src->kind == TypeData::Basic ); |
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| 389 | dst->basic->modifiers.splice( dst->basic->modifiers.end(), src->basic->modifiers ); |
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| 390 | dst->basic->typeSpec.splice( dst->basic->typeSpec.end(), src->basic->typeSpec ); |
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| 391 | } |
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| 392 | break; |
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| 393 | |
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| 394 | default: |
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| 395 | switch ( src->kind ) { |
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| 396 | case TypeData::Aggregate: |
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| 397 | case TypeData::Enum: |
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| 398 | dst->base = new TypeData( TypeData::AggregateInst ); |
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| 399 | dst->base->aggInst->aggregate = src; |
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| 400 | if ( src->kind == TypeData::Aggregate ) { |
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| 401 | dst->base->aggInst->params = maybeClone( src->aggregate->actuals ); |
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| 402 | } |
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| 403 | dst->base->qualifiers.splice( dst->base->qualifiers.end(), src->qualifiers ); |
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| 404 | src = 0; |
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| 405 | break; |
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| 406 | |
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| 407 | default: |
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| 408 | if ( dst->forall ) { |
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| 409 | dst->forall->appendList( src->forall ); |
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| 410 | } else { |
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| 411 | dst->forall = src->forall; |
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| 412 | } |
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| 413 | src->forall = 0; |
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| 414 | dst->base = src; |
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| 415 | src = 0; |
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| 416 | } |
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| 417 | } |
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| 418 | } |
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[51b7345] | 419 | } |
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[3848e0e] | 420 | } |
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| 421 | |
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| 422 | DeclarationNode *DeclarationNode::addType( DeclarationNode *o ) { |
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| 423 | if ( o ) { |
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| 424 | storageClasses.splice( storageClasses.end(), o->storageClasses ); |
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| 425 | if ( o->type ) { |
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| 426 | if ( ! type ) { |
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| 427 | if ( o->type->kind == TypeData::Aggregate || o->type->kind == TypeData::Enum ) { |
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| 428 | type = new TypeData( TypeData::AggregateInst ); |
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| 429 | type->aggInst->aggregate = o->type; |
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| 430 | if ( o->type->kind == TypeData::Aggregate ) { |
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| 431 | type->aggInst->params = maybeClone( o->type->aggregate->actuals ); |
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| 432 | } |
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| 433 | type->qualifiers.splice( type->qualifiers.end(), o->type->qualifiers ); |
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| 434 | } else { |
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| 435 | type = o->type; |
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| 436 | } |
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| 437 | o->type = 0; |
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| 438 | } else { |
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| 439 | addTypeToType( o->type, type ); |
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| 440 | } |
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| 441 | } |
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| 442 | if ( o->bitfieldWidth ) { |
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| 443 | bitfieldWidth = o->bitfieldWidth; |
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| 444 | } |
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[51b7345] | 445 | } |
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[3848e0e] | 446 | delete o; |
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| 447 | return this; |
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| 448 | } |
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| 449 | |
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| 450 | DeclarationNode *DeclarationNode::addTypedef() { |
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| 451 | TypeData *newtype = new TypeData( TypeData::Symbolic ); |
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| 452 | newtype->symbolic->params = 0; |
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| 453 | newtype->symbolic->isTypedef = true; |
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| 454 | newtype->symbolic->name = name; |
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| 455 | newtype->base = type; |
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| 456 | type = newtype; |
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| 457 | return this; |
---|
| 458 | } |
---|
| 459 | |
---|
| 460 | DeclarationNode *DeclarationNode::addAssertions( DeclarationNode* assertions ) { |
---|
| 461 | assert( type ); |
---|
| 462 | switch ( type->kind ) { |
---|
| 463 | case TypeData::Symbolic: |
---|
| 464 | if ( type->symbolic->assertions ) { |
---|
| 465 | type->symbolic->assertions->appendList( assertions ); |
---|
| 466 | } else { |
---|
| 467 | type->symbolic->assertions = assertions; |
---|
| 468 | } |
---|
| 469 | break; |
---|
[51b7345] | 470 | |
---|
[3848e0e] | 471 | case TypeData::Variable: |
---|
| 472 | if ( type->variable->assertions ) { |
---|
| 473 | type->variable->assertions->appendList( assertions ); |
---|
| 474 | } else { |
---|
| 475 | type->variable->assertions = assertions; |
---|
| 476 | } |
---|
| 477 | break; |
---|
| 478 | |
---|
| 479 | default: |
---|
| 480 | assert( false ); |
---|
| 481 | } |
---|
[51b7345] | 482 | |
---|
[3848e0e] | 483 | return this; |
---|
[51b7345] | 484 | } |
---|
| 485 | |
---|
[3848e0e] | 486 | DeclarationNode *DeclarationNode::addName( std::string* newname ) { |
---|
| 487 | name = assign_strptr( newname ); |
---|
| 488 | return this; |
---|
[51b7345] | 489 | } |
---|
| 490 | |
---|
[3848e0e] | 491 | DeclarationNode *DeclarationNode::addBitfield( ExpressionNode *size ) { |
---|
| 492 | bitfieldWidth = size; |
---|
| 493 | return this; |
---|
[51b7345] | 494 | } |
---|
| 495 | |
---|
[3848e0e] | 496 | DeclarationNode *DeclarationNode::addVarArgs() { |
---|
| 497 | assert( type ); |
---|
| 498 | hasEllipsis = true; |
---|
| 499 | return this; |
---|
[51b7345] | 500 | } |
---|
| 501 | |
---|
[3848e0e] | 502 | DeclarationNode *DeclarationNode::addFunctionBody( StatementNode *body ) { |
---|
| 503 | assert( type ); |
---|
| 504 | assert( type->kind == TypeData::Function ); |
---|
| 505 | assert( type->function->body == 0 ); |
---|
| 506 | type->function->body = body; |
---|
| 507 | type->function->hasBody = true; |
---|
| 508 | return this; |
---|
[51b7345] | 509 | } |
---|
| 510 | |
---|
[3848e0e] | 511 | DeclarationNode *DeclarationNode::addOldDeclList( DeclarationNode *list ) { |
---|
| 512 | assert( type ); |
---|
| 513 | assert( type->kind == TypeData::Function ); |
---|
| 514 | assert( type->function->oldDeclList == 0 ); |
---|
| 515 | type->function->oldDeclList = list; |
---|
| 516 | return this; |
---|
[51b7345] | 517 | } |
---|
| 518 | |
---|
| 519 | static void |
---|
[3848e0e] | 520 | setBase( TypeData *&type, TypeData *newType ) { |
---|
| 521 | if ( type ) { |
---|
| 522 | TypeData *prevBase = type; |
---|
| 523 | TypeData *curBase = type->base; |
---|
| 524 | while( curBase != 0 ) { |
---|
| 525 | prevBase = curBase; |
---|
| 526 | curBase = curBase->base; |
---|
| 527 | } |
---|
| 528 | prevBase->base = newType; |
---|
| 529 | } else { |
---|
| 530 | type = newType; |
---|
[51b7345] | 531 | } |
---|
[3848e0e] | 532 | } |
---|
| 533 | |
---|
| 534 | DeclarationNode *DeclarationNode::addPointer( DeclarationNode *p ) { |
---|
| 535 | if ( p ) { |
---|
| 536 | assert( p->type->kind == TypeData::Pointer ); |
---|
| 537 | setBase( type, p->type ); |
---|
| 538 | p->type = 0; |
---|
| 539 | delete p; |
---|
[51b7345] | 540 | } |
---|
| 541 | return this; |
---|
[3848e0e] | 542 | } |
---|
| 543 | |
---|
| 544 | DeclarationNode *DeclarationNode::addArray( DeclarationNode *a ) { |
---|
| 545 | if ( a ) { |
---|
| 546 | assert( a->type->kind == TypeData::Array ); |
---|
| 547 | setBase( type, a->type ); |
---|
| 548 | a->type = 0; |
---|
| 549 | delete a; |
---|
[51b7345] | 550 | } |
---|
| 551 | return this; |
---|
| 552 | } |
---|
| 553 | |
---|
[3848e0e] | 554 | DeclarationNode *DeclarationNode::addNewPointer( DeclarationNode *p ) { |
---|
| 555 | if ( p ) { |
---|
| 556 | assert( p->type->kind == TypeData::Pointer ); |
---|
| 557 | if ( type ) { |
---|
| 558 | switch ( type->kind ) { |
---|
| 559 | case TypeData::Aggregate: |
---|
| 560 | case TypeData::Enum: |
---|
| 561 | p->type->base = new TypeData( TypeData::AggregateInst ); |
---|
| 562 | p->type->base->aggInst->aggregate = type; |
---|
| 563 | if ( type->kind == TypeData::Aggregate ) { |
---|
| 564 | p->type->base->aggInst->params = maybeClone( type->aggregate->actuals ); |
---|
| 565 | } |
---|
| 566 | p->type->base->qualifiers.splice( p->type->base->qualifiers.end(), type->qualifiers ); |
---|
| 567 | break; |
---|
| 568 | |
---|
| 569 | default: |
---|
| 570 | p->type->base = type; |
---|
| 571 | } |
---|
| 572 | type = 0; |
---|
| 573 | } |
---|
| 574 | delete this; |
---|
| 575 | return p; |
---|
| 576 | } else { |
---|
| 577 | return this; |
---|
| 578 | } |
---|
[51b7345] | 579 | } |
---|
| 580 | |
---|
[3848e0e] | 581 | static TypeData *findLast( TypeData *a ) { |
---|
| 582 | assert( a ); |
---|
| 583 | TypeData *cur = a; |
---|
| 584 | while( cur->base ) { |
---|
| 585 | cur = cur->base; |
---|
| 586 | } |
---|
| 587 | return cur; |
---|
| 588 | } |
---|
| 589 | |
---|
| 590 | DeclarationNode *DeclarationNode::addNewArray( DeclarationNode *a ) { |
---|
| 591 | if ( a ) { |
---|
| 592 | assert( a->type->kind == TypeData::Array ); |
---|
| 593 | TypeData *lastArray = findLast( a->type ); |
---|
| 594 | if ( type ) { |
---|
| 595 | switch ( type->kind ) { |
---|
| 596 | case TypeData::Aggregate: |
---|
| 597 | case TypeData::Enum: |
---|
| 598 | lastArray->base = new TypeData( TypeData::AggregateInst ); |
---|
| 599 | lastArray->base->aggInst->aggregate = type; |
---|
| 600 | if ( type->kind == TypeData::Aggregate ) { |
---|
| 601 | lastArray->base->aggInst->params = maybeClone( type->aggregate->actuals ); |
---|
| 602 | } |
---|
| 603 | lastArray->base->qualifiers.splice( lastArray->base->qualifiers.end(), type->qualifiers ); |
---|
| 604 | break; |
---|
| 605 | |
---|
| 606 | default: |
---|
| 607 | lastArray->base = type; |
---|
| 608 | } |
---|
| 609 | type = 0; |
---|
| 610 | } |
---|
| 611 | delete this; |
---|
| 612 | return a; |
---|
[51b7345] | 613 | } else { |
---|
[3848e0e] | 614 | return this; |
---|
[51b7345] | 615 | } |
---|
| 616 | } |
---|
[3848e0e] | 617 | |
---|
| 618 | DeclarationNode *DeclarationNode::addParamList( DeclarationNode *params ) { |
---|
| 619 | TypeData *ftype = new TypeData( TypeData::Function ); |
---|
| 620 | ftype->function->params = params; |
---|
| 621 | setBase( type, ftype ); |
---|
| 622 | return this; |
---|
| 623 | } |
---|
| 624 | |
---|
| 625 | static TypeData *addIdListToType( TypeData *type, DeclarationNode *ids ) { |
---|
| 626 | if ( type ) { |
---|
| 627 | if ( type->kind != TypeData::Function ) { |
---|
| 628 | type->base = addIdListToType( type->base, ids ); |
---|
| 629 | } else { |
---|
| 630 | type->function->idList = ids; |
---|
| 631 | } |
---|
| 632 | return type; |
---|
[51b7345] | 633 | } else { |
---|
[3848e0e] | 634 | TypeData *newtype = new TypeData( TypeData::Function ); |
---|
| 635 | newtype->function->idList = ids; |
---|
| 636 | return newtype; |
---|
[51b7345] | 637 | } |
---|
[3848e0e] | 638 | } |
---|
| 639 | |
---|
| 640 | DeclarationNode *DeclarationNode::addIdList( DeclarationNode *ids ) { |
---|
| 641 | type = addIdListToType( type, ids ); |
---|
| 642 | return this; |
---|
| 643 | } |
---|
| 644 | |
---|
| 645 | DeclarationNode *DeclarationNode::addInitializer( InitializerNode *init ) { |
---|
| 646 | //assert |
---|
| 647 | initializer = init; |
---|
| 648 | return this; |
---|
| 649 | } |
---|
| 650 | |
---|
| 651 | DeclarationNode *DeclarationNode::cloneBaseType( string *newName ) { |
---|
| 652 | DeclarationNode *newnode = new DeclarationNode; |
---|
| 653 | TypeData *srcType = type; |
---|
| 654 | while( srcType->base ) { |
---|
[51b7345] | 655 | srcType = srcType->base; |
---|
| 656 | } |
---|
[3848e0e] | 657 | newnode->type = maybeClone( srcType ); |
---|
| 658 | if ( newnode->type->kind == TypeData::AggregateInst ) { |
---|
| 659 | // don't duplicate members |
---|
| 660 | if ( newnode->type->aggInst->aggregate->kind == TypeData::Enum ) { |
---|
| 661 | delete newnode->type->aggInst->aggregate->enumeration->constants; |
---|
| 662 | newnode->type->aggInst->aggregate->enumeration->constants = 0; |
---|
| 663 | } else { |
---|
| 664 | assert( newnode->type->aggInst->aggregate->kind == TypeData::Aggregate ); |
---|
| 665 | delete newnode->type->aggInst->aggregate->aggregate->members; |
---|
| 666 | newnode->type->aggInst->aggregate->aggregate->members = 0; |
---|
| 667 | } |
---|
| 668 | } |
---|
| 669 | newnode->type->forall = maybeClone( type->forall ); |
---|
| 670 | newnode->storageClasses = storageClasses; |
---|
| 671 | newnode->name = assign_strptr( newName ); |
---|
| 672 | return newnode; |
---|
| 673 | } |
---|
| 674 | |
---|
| 675 | DeclarationNode *DeclarationNode::cloneBaseType( DeclarationNode *o ) { |
---|
| 676 | if ( o ) { |
---|
| 677 | o->storageClasses.insert( o->storageClasses.end(), storageClasses.begin(), storageClasses.end() ); |
---|
| 678 | if ( type ) { |
---|
| 679 | TypeData *srcType = type; |
---|
| 680 | while( srcType->base ) { |
---|
| 681 | srcType = srcType->base; |
---|
| 682 | } |
---|
| 683 | TypeData *newType = srcType->clone(); |
---|
| 684 | if ( newType->kind == TypeData::AggregateInst ) { |
---|
| 685 | // don't duplicate members |
---|
| 686 | if ( newType->aggInst->aggregate->kind == TypeData::Enum ) { |
---|
| 687 | delete newType->aggInst->aggregate->enumeration->constants; |
---|
| 688 | newType->aggInst->aggregate->enumeration->constants = 0; |
---|
| 689 | } else { |
---|
| 690 | assert( newType->aggInst->aggregate->kind == TypeData::Aggregate ); |
---|
| 691 | delete newType->aggInst->aggregate->aggregate->members; |
---|
| 692 | newType->aggInst->aggregate->aggregate->members = 0; |
---|
| 693 | } |
---|
| 694 | } |
---|
| 695 | newType->forall = maybeClone( type->forall ); |
---|
| 696 | if ( ! o->type ) { |
---|
| 697 | o->type = newType; |
---|
| 698 | } else { |
---|
| 699 | addTypeToType( newType, o->type ); |
---|
| 700 | delete newType; |
---|
| 701 | } |
---|
| 702 | } |
---|
| 703 | } |
---|
| 704 | return o; |
---|
| 705 | } |
---|
| 706 | |
---|
| 707 | DeclarationNode *DeclarationNode::cloneType( string *newName ) { |
---|
| 708 | DeclarationNode *newnode = new DeclarationNode; |
---|
| 709 | newnode->type = maybeClone( type ); |
---|
| 710 | newnode->storageClasses = storageClasses; |
---|
| 711 | newnode->name = assign_strptr( newName ); |
---|
| 712 | return newnode; |
---|
| 713 | } |
---|
| 714 | |
---|
| 715 | DeclarationNode *DeclarationNode::cloneType( DeclarationNode *o ) { |
---|
| 716 | if ( o ) { |
---|
| 717 | o->storageClasses.insert( o->storageClasses.end(), storageClasses.begin(), storageClasses.end() ); |
---|
| 718 | if ( type ) { |
---|
| 719 | TypeData *newType = type->clone(); |
---|
| 720 | if ( ! o->type ) { |
---|
| 721 | o->type = newType; |
---|
| 722 | } else { |
---|
| 723 | addTypeToType( newType, o->type ); |
---|
| 724 | delete newType; |
---|
| 725 | } |
---|
| 726 | } |
---|
| 727 | } |
---|
| 728 | return o; |
---|
[51b7345] | 729 | } |
---|
| 730 | |
---|
[3848e0e] | 731 | DeclarationNode *DeclarationNode::appendList( DeclarationNode *node ) { |
---|
| 732 | if ( node != 0 ) { |
---|
| 733 | set_link( node ); |
---|
| 734 | } |
---|
| 735 | return this; |
---|
[51b7345] | 736 | } |
---|
| 737 | |
---|
[3848e0e] | 738 | DeclarationNode *DeclarationNode::extractAggregate() const { |
---|
[51b7345] | 739 | if ( type ) { |
---|
[3848e0e] | 740 | TypeData *ret = type->extractAggregate(); |
---|
| 741 | if ( ret ) { |
---|
| 742 | DeclarationNode *newnode = new DeclarationNode; |
---|
| 743 | newnode->type = ret; |
---|
| 744 | return newnode; |
---|
| 745 | } else { |
---|
| 746 | return 0; |
---|
| 747 | } |
---|
[51b7345] | 748 | } else { |
---|
[3848e0e] | 749 | return 0; |
---|
[51b7345] | 750 | } |
---|
[3848e0e] | 751 | } |
---|
| 752 | |
---|
| 753 | void buildList( const DeclarationNode *firstNode, std::list< Declaration* > &outputList ) { |
---|
| 754 | SemanticError errors; |
---|
| 755 | std::back_insert_iterator< std::list< Declaration* > > out( outputList ); |
---|
| 756 | const DeclarationNode *cur = firstNode; |
---|
| 757 | while( cur ) { |
---|
| 758 | try { |
---|
| 759 | if ( DeclarationNode *extr = cur->extractAggregate() ) { |
---|
| 760 | // handle the case where a structure declaration is contained within an object or type |
---|
| 761 | // declaration |
---|
| 762 | Declaration *decl = extr->build(); |
---|
| 763 | if ( decl ) { |
---|
| 764 | *out++ = decl; |
---|
| 765 | } |
---|
| 766 | } |
---|
| 767 | Declaration *decl = cur->build(); |
---|
| 768 | if ( decl ) { |
---|
| 769 | *out++ = decl; |
---|
| 770 | } |
---|
| 771 | } catch( SemanticError &e ) { |
---|
| 772 | errors.append( e ); |
---|
[51b7345] | 773 | } |
---|
[3848e0e] | 774 | cur = dynamic_cast< DeclarationNode* >( cur->get_link() ); |
---|
| 775 | } |
---|
| 776 | if ( ! errors.isEmpty() ) { |
---|
| 777 | throw errors; |
---|
[51b7345] | 778 | } |
---|
[3848e0e] | 779 | } |
---|
| 780 | |
---|
| 781 | void buildList( const DeclarationNode *firstNode, std::list< DeclarationWithType* > &outputList ) { |
---|
| 782 | SemanticError errors; |
---|
| 783 | std::back_insert_iterator< std::list< DeclarationWithType* > > out( outputList ); |
---|
| 784 | const DeclarationNode *cur = firstNode; |
---|
| 785 | while( cur ) { |
---|
| 786 | try { |
---|
| 787 | /// if ( DeclarationNode *extr = cur->extractAggregate() ) { |
---|
[51b7345] | 788 | /// // handle the case where a structure declaration is contained within an object or type |
---|
| 789 | /// // declaration |
---|
| 790 | /// Declaration *decl = extr->build(); |
---|
[3848e0e] | 791 | /// if ( decl ) { |
---|
| 792 | /// *out++ = decl; |
---|
[51b7345] | 793 | /// } |
---|
| 794 | /// } |
---|
[3848e0e] | 795 | Declaration *decl = cur->build(); |
---|
| 796 | if ( decl ) { |
---|
| 797 | if ( DeclarationWithType *dwt = dynamic_cast< DeclarationWithType* >( decl ) ) { |
---|
| 798 | *out++ = dwt; |
---|
| 799 | } else if ( StructDecl *agg = dynamic_cast< StructDecl* >( decl ) ) { |
---|
| 800 | StructInstType *inst = new StructInstType( Type::Qualifiers(), agg->get_name() ); |
---|
| 801 | *out++ = new ObjectDecl( "", Declaration::NoStorageClass, linkage, 0, inst, 0 ); |
---|
| 802 | delete agg; |
---|
| 803 | } else if ( UnionDecl *agg = dynamic_cast< UnionDecl* >( decl ) ) { |
---|
| 804 | UnionInstType *inst = new UnionInstType( Type::Qualifiers(), agg->get_name() ); |
---|
| 805 | *out++ = new ObjectDecl( "", Declaration::NoStorageClass, linkage, 0, inst, 0 ); |
---|
| 806 | } |
---|
| 807 | } |
---|
| 808 | } catch( SemanticError &e ) { |
---|
| 809 | errors.append( e ); |
---|
| 810 | } |
---|
| 811 | cur = dynamic_cast< DeclarationNode* >( cur->get_link() ); |
---|
| 812 | } |
---|
| 813 | if ( ! errors.isEmpty() ) { |
---|
| 814 | throw errors; |
---|
| 815 | } |
---|
| 816 | } |
---|
| 817 | |
---|
| 818 | void buildTypeList( const DeclarationNode *firstNode, std::list< Type* > &outputList ) { |
---|
| 819 | SemanticError errors; |
---|
| 820 | std::back_insert_iterator< std::list< Type* > > out( outputList ); |
---|
| 821 | const DeclarationNode *cur = firstNode; |
---|
| 822 | while( cur ) { |
---|
| 823 | try { |
---|
| 824 | *out++ = cur->buildType(); |
---|
| 825 | } catch( SemanticError &e ) { |
---|
| 826 | errors.append( e ); |
---|
| 827 | } |
---|
| 828 | cur = dynamic_cast< DeclarationNode* >( cur->get_link() ); |
---|
[51b7345] | 829 | } |
---|
[3848e0e] | 830 | if ( ! errors.isEmpty() ) { |
---|
| 831 | throw errors; |
---|
[51b7345] | 832 | } |
---|
| 833 | } |
---|
| 834 | |
---|
[3848e0e] | 835 | Declaration *DeclarationNode::build() const { |
---|
[51b7345] | 836 | |
---|
[3848e0e] | 837 | if ( ! type ) { |
---|
| 838 | if ( buildInline() ) { |
---|
| 839 | throw SemanticError( "invalid inline specification in declaration of ", this ); |
---|
| 840 | } else { |
---|
| 841 | return new ObjectDecl( name, buildStorageClass(), linkage, maybeBuild< Expression >( bitfieldWidth ), 0, maybeBuild< Initializer >( initializer ) ); |
---|
| 842 | } |
---|
[51b7345] | 843 | } else { |
---|
[3848e0e] | 844 | Declaration *newDecl = type->buildDecl( name, buildStorageClass(), maybeBuild< Expression >( bitfieldWidth ), buildInline(), linkage, maybeBuild< Initializer >(initializer) ); |
---|
| 845 | return newDecl; |
---|
[51b7345] | 846 | } |
---|
[3848e0e] | 847 | // we should never get here |
---|
| 848 | assert( false ); |
---|
| 849 | return 0; |
---|
[51b7345] | 850 | } |
---|
| 851 | |
---|
[3848e0e] | 852 | Type *DeclarationNode::buildType() const { |
---|
| 853 | assert( type ); |
---|
[51b7345] | 854 | |
---|
[3848e0e] | 855 | switch ( type->kind ) { |
---|
| 856 | case TypeData::Enum: |
---|
| 857 | return new EnumInstType( type->buildQualifiers(), type->enumeration->name ); |
---|
| 858 | case TypeData::Aggregate: { |
---|
| 859 | ReferenceToType *ret; |
---|
| 860 | switch ( type->aggregate->kind ) { |
---|
| 861 | case DeclarationNode::Struct: |
---|
| 862 | ret = new StructInstType( type->buildQualifiers(), type->aggregate->name ); |
---|
| 863 | break; |
---|
| 864 | |
---|
| 865 | case DeclarationNode::Union: |
---|
| 866 | ret = new UnionInstType( type->buildQualifiers(), type->aggregate->name ); |
---|
| 867 | break; |
---|
| 868 | |
---|
| 869 | case DeclarationNode::Context: |
---|
| 870 | ret = new ContextInstType( type->buildQualifiers(), type->aggregate->name ); |
---|
| 871 | break; |
---|
| 872 | |
---|
| 873 | default: |
---|
| 874 | assert( false ); |
---|
| 875 | } |
---|
| 876 | buildList( type->aggregate->actuals, ret->get_parameters() ); |
---|
| 877 | return ret; |
---|
| 878 | } |
---|
| 879 | case TypeData::Symbolic: { |
---|
| 880 | TypeInstType *ret = new TypeInstType( type->buildQualifiers(), type->symbolic->name, false ); |
---|
| 881 | buildList( type->symbolic->actuals, ret->get_parameters() ); |
---|
| 882 | return ret; |
---|
| 883 | } |
---|
| 884 | default: |
---|
| 885 | return type->build(); |
---|
[51b7345] | 886 | } |
---|
[3848e0e] | 887 | } |
---|
| 888 | |
---|
| 889 | Declaration::StorageClass DeclarationNode::buildStorageClass() const { |
---|
| 890 | static const Declaration::StorageClass scMap[] = { |
---|
| 891 | Declaration::Static, |
---|
| 892 | Declaration::Auto, |
---|
| 893 | Declaration::Extern, |
---|
| 894 | Declaration::Register, |
---|
| 895 | Declaration::NoStorageClass, // inline |
---|
| 896 | Declaration::Fortran |
---|
| 897 | }; |
---|
[51b7345] | 898 | |
---|
[3848e0e] | 899 | Declaration::StorageClass ret = Declaration::NoStorageClass; |
---|
| 900 | for ( std::list< StorageClass >::const_iterator i = storageClasses.begin(); i != storageClasses.end(); ++i ) { |
---|
| 901 | assert( unsigned( *i ) < sizeof( scMap ) / sizeof( scMap[0] ) ); |
---|
| 902 | if ( *i == Inline ) continue; |
---|
| 903 | if ( ret == Declaration::NoStorageClass ) { |
---|
| 904 | ret = scMap[ *i ]; |
---|
| 905 | } else { |
---|
| 906 | throw SemanticError( "invalid combination of storage classes in declaration of ", this ); |
---|
| 907 | } |
---|
[51b7345] | 908 | } |
---|
[3848e0e] | 909 | return ret; |
---|
[51b7345] | 910 | } |
---|
| 911 | |
---|
[3848e0e] | 912 | bool DeclarationNode::buildInline() const { |
---|
| 913 | std::list< StorageClass >::const_iterator first = std::find( storageClasses.begin(), storageClasses.end(), Inline ); |
---|
| 914 | if ( first == storageClasses.end() ) { |
---|
| 915 | return false; |
---|
[51b7345] | 916 | } else { |
---|
[3848e0e] | 917 | std::list< StorageClass >::const_iterator next = std::find( ++first, storageClasses.end(), Inline ); |
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| 918 | if ( next == storageClasses.end() ) { |
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| 919 | return true; |
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| 920 | } else { |
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| 921 | throw SemanticError( "duplicate inline specification in declaration of ", this ); |
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| 922 | } |
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[51b7345] | 923 | } |
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[3848e0e] | 924 | // we should never get here |
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| 925 | return false; |
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[51b7345] | 926 | } |
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