[51b7345] | 1 | /* |
---|
| 2 | * This file is part of the Cforall project |
---|
| 3 | * |
---|
| 4 | * $Id: GenType.cc,v 1.6 2005/08/29 20:14:12 rcbilson Exp $ |
---|
| 5 | * |
---|
| 6 | */ |
---|
| 7 | |
---|
| 8 | #include <strstream> |
---|
| 9 | #include <cassert> |
---|
| 10 | |
---|
| 11 | #include "GenType.h" |
---|
| 12 | #include "CodeGenerator2.h" |
---|
| 13 | #include "SynTree/Visitor.h" |
---|
| 14 | #include "SynTree/Type.h" |
---|
| 15 | #include "SynTree/Expression.h" |
---|
| 16 | |
---|
| 17 | namespace CodeGen { |
---|
| 18 | |
---|
| 19 | class GenType : public Visitor |
---|
| 20 | { |
---|
| 21 | public: |
---|
| 22 | GenType( const std::string &typeString ); |
---|
| 23 | std::string get_typeString() const { return typeString; } |
---|
| 24 | void set_typeString( const std::string &newValue ) { typeString = newValue; } |
---|
| 25 | |
---|
| 26 | virtual void visit( FunctionType *funcType ); |
---|
| 27 | virtual void visit( VoidType *voidType ); |
---|
| 28 | virtual void visit( BasicType *basicType ); |
---|
| 29 | virtual void visit( PointerType *pointerType ); |
---|
| 30 | virtual void visit( ArrayType *arrayType ); |
---|
| 31 | virtual void visit( StructInstType *structInst ); |
---|
| 32 | virtual void visit( UnionInstType *unionInst ); |
---|
| 33 | virtual void visit( EnumInstType *enumInst ); |
---|
| 34 | virtual void visit( TypeInstType *typeInst ); |
---|
| 35 | |
---|
| 36 | private: |
---|
| 37 | void handleQualifiers( Type *type ); |
---|
| 38 | void genArray( const Type::Qualifiers &qualifiers, Type *base, Expression *dimension, bool isVarLen, bool isStatic ); |
---|
| 39 | |
---|
| 40 | std::string typeString; |
---|
| 41 | }; |
---|
| 42 | |
---|
| 43 | std::string |
---|
| 44 | genType( Type *type, const std::string &baseString ) |
---|
| 45 | { |
---|
| 46 | GenType gt( baseString ); |
---|
| 47 | type->accept( gt ); |
---|
| 48 | return gt.get_typeString(); |
---|
| 49 | } |
---|
| 50 | |
---|
| 51 | GenType::GenType( const std::string &typeString ) |
---|
| 52 | : typeString( typeString ) |
---|
| 53 | { |
---|
| 54 | } |
---|
| 55 | |
---|
| 56 | void GenType::visit(VoidType *voidType){ |
---|
| 57 | typeString = "void " + typeString; |
---|
| 58 | handleQualifiers( voidType ); |
---|
| 59 | } |
---|
| 60 | |
---|
| 61 | void GenType::visit(BasicType *basicType) |
---|
| 62 | { |
---|
| 63 | std::string typeWords; |
---|
| 64 | switch(basicType->get_kind()){ |
---|
| 65 | case BasicType::Bool: |
---|
| 66 | typeWords = "bool"; |
---|
| 67 | break; |
---|
| 68 | case BasicType::Char: |
---|
| 69 | case BasicType::SignedChar: |
---|
| 70 | typeWords = "char"; |
---|
| 71 | break; |
---|
| 72 | case BasicType::UnsignedChar: |
---|
| 73 | typeWords = "unsigned char"; |
---|
| 74 | break; |
---|
| 75 | case BasicType::ShortSignedInt: |
---|
| 76 | typeWords = "short"; |
---|
| 77 | break; |
---|
| 78 | case BasicType::ShortUnsignedInt: |
---|
| 79 | typeWords = "short unsigned"; |
---|
| 80 | break; |
---|
| 81 | case BasicType::SignedInt: |
---|
| 82 | typeWords = "int"; |
---|
| 83 | break; |
---|
| 84 | case BasicType::UnsignedInt: |
---|
| 85 | typeWords = "unsigned int"; |
---|
| 86 | break; |
---|
| 87 | case BasicType::LongSignedInt: |
---|
| 88 | typeWords = "long int"; |
---|
| 89 | break; |
---|
| 90 | case BasicType::LongUnsignedInt: |
---|
| 91 | typeWords = "long unsigned int"; |
---|
| 92 | break; |
---|
| 93 | case BasicType::LongLongSignedInt: |
---|
| 94 | typeWords = "long long int"; |
---|
| 95 | break; |
---|
| 96 | case BasicType::LongLongUnsignedInt: |
---|
| 97 | typeWords = "long long unsigned int"; |
---|
| 98 | break; |
---|
| 99 | case BasicType::Float: |
---|
| 100 | typeWords = "float"; |
---|
| 101 | break; |
---|
| 102 | case BasicType::Double: |
---|
| 103 | typeWords = "double"; |
---|
| 104 | break; |
---|
| 105 | case BasicType::LongDouble: |
---|
| 106 | typeWords = "long double"; |
---|
| 107 | break; |
---|
| 108 | case BasicType::FloatComplex: |
---|
| 109 | typeWords = "float _Complex"; |
---|
| 110 | break; |
---|
| 111 | case BasicType::DoubleComplex: |
---|
| 112 | typeWords = "double _Complex"; |
---|
| 113 | break; |
---|
| 114 | case BasicType::LongDoubleComplex: |
---|
| 115 | typeWords = "long double _Complex"; |
---|
| 116 | break; |
---|
| 117 | case BasicType::FloatImaginary: |
---|
| 118 | typeWords = "float _Imaginary"; |
---|
| 119 | break; |
---|
| 120 | case BasicType::DoubleImaginary: |
---|
| 121 | typeWords = "double _Imaginary"; |
---|
| 122 | break; |
---|
| 123 | case BasicType::LongDoubleImaginary: |
---|
| 124 | typeWords = "long double _Imaginary"; |
---|
| 125 | break; |
---|
| 126 | default: |
---|
| 127 | assert( false ); |
---|
| 128 | } |
---|
| 129 | typeString = typeWords + " " + typeString; |
---|
| 130 | handleQualifiers( basicType ); |
---|
| 131 | } |
---|
| 132 | |
---|
| 133 | void |
---|
| 134 | GenType::genArray( const Type::Qualifiers &qualifiers, Type *base, Expression *dimension, bool isVarLen, bool isStatic ) |
---|
| 135 | { |
---|
| 136 | std::ostrstream os; |
---|
| 137 | if( typeString != "" ) { |
---|
| 138 | if( typeString[ 0 ] == '*' ) { |
---|
| 139 | os << "(" << typeString << ")"; |
---|
| 140 | } else { |
---|
| 141 | os << typeString; |
---|
| 142 | } |
---|
| 143 | } |
---|
| 144 | os << "["; |
---|
| 145 | if( isStatic ) { |
---|
| 146 | os << "static "; |
---|
| 147 | } |
---|
| 148 | if( qualifiers.isConst ) { |
---|
| 149 | os << "const "; |
---|
| 150 | } |
---|
| 151 | if( qualifiers.isVolatile ) { |
---|
| 152 | os << "volatile "; |
---|
| 153 | } |
---|
| 154 | if( isVarLen ) { |
---|
| 155 | os << "*"; |
---|
| 156 | } |
---|
| 157 | if( dimension != 0 ) { |
---|
| 158 | CodeGenerator2 cg( os ); |
---|
| 159 | dimension->accept( cg ); |
---|
| 160 | } |
---|
| 161 | os << "]"; |
---|
| 162 | |
---|
| 163 | typeString = std::string( os.str(), os.pcount() ); |
---|
| 164 | |
---|
| 165 | base->accept ( *this ); |
---|
| 166 | } |
---|
| 167 | |
---|
| 168 | void GenType::visit(PointerType *pointerType) { |
---|
| 169 | assert(pointerType->get_base() != 0); |
---|
| 170 | if( pointerType->get_isStatic() || pointerType->get_isVarLen() || pointerType->get_dimension() ) { |
---|
| 171 | genArray( pointerType->get_qualifiers(), pointerType->get_base(), pointerType->get_dimension(), pointerType->get_isVarLen(), pointerType->get_isStatic() ); |
---|
| 172 | } else { |
---|
| 173 | handleQualifiers( pointerType ); |
---|
| 174 | if( typeString[ 0 ] == '?' ) { |
---|
| 175 | typeString = "* " + typeString; |
---|
| 176 | } else { |
---|
| 177 | typeString = "*" + typeString; |
---|
| 178 | } |
---|
| 179 | pointerType->get_base()->accept ( *this ); |
---|
| 180 | } |
---|
| 181 | } |
---|
| 182 | |
---|
| 183 | void GenType::visit(ArrayType *arrayType){ |
---|
| 184 | genArray( arrayType->get_qualifiers(), arrayType->get_base(), arrayType->get_dimension(), arrayType->get_isVarLen(), arrayType->get_isStatic() ); |
---|
| 185 | } |
---|
| 186 | |
---|
| 187 | void GenType::visit(FunctionType *funcType) { |
---|
| 188 | std::ostrstream os; |
---|
| 189 | |
---|
| 190 | if( typeString != "" ) { |
---|
| 191 | if( typeString[ 0 ] == '*' ) { |
---|
| 192 | os << "(" << typeString << ")"; |
---|
| 193 | } else { |
---|
| 194 | os << typeString; |
---|
| 195 | } |
---|
| 196 | } |
---|
| 197 | |
---|
| 198 | /************* parameters ***************/ |
---|
| 199 | |
---|
| 200 | const std::list<DeclarationWithType*> &pars = funcType->get_parameters(); |
---|
| 201 | |
---|
| 202 | if( pars.empty() ) { |
---|
| 203 | if( funcType->get_isVarArgs() ) { |
---|
| 204 | os << "()"; |
---|
| 205 | } else { |
---|
| 206 | os << "(void)"; |
---|
| 207 | } |
---|
| 208 | } else { |
---|
| 209 | CodeGenerator2 cg( os ); |
---|
| 210 | os << "(" ; |
---|
| 211 | |
---|
| 212 | cg.genCommaList( pars.begin(), pars.end() ); |
---|
| 213 | |
---|
| 214 | if( funcType->get_isVarArgs() ){ |
---|
| 215 | os << ", ..."; |
---|
| 216 | } |
---|
| 217 | os << ")"; |
---|
| 218 | } |
---|
| 219 | |
---|
| 220 | typeString = std::string( os.str(), os.pcount() ); |
---|
| 221 | |
---|
| 222 | if( funcType->get_returnVals().size() == 0 ) { |
---|
| 223 | typeString = "void " + typeString; |
---|
| 224 | } else { |
---|
| 225 | |
---|
| 226 | funcType->get_returnVals().front()->get_type()->accept( *this ); |
---|
| 227 | |
---|
| 228 | } |
---|
| 229 | |
---|
| 230 | } |
---|
| 231 | |
---|
| 232 | void GenType::visit( StructInstType *structInst ) |
---|
| 233 | { |
---|
| 234 | typeString = "struct " + structInst->get_name() + " " + typeString; |
---|
| 235 | handleQualifiers( structInst ); |
---|
| 236 | } |
---|
| 237 | |
---|
| 238 | void |
---|
| 239 | GenType::visit( UnionInstType *unionInst ) |
---|
| 240 | { |
---|
| 241 | typeString = "union " + unionInst->get_name() + " " + typeString; |
---|
| 242 | handleQualifiers( unionInst ); |
---|
| 243 | } |
---|
| 244 | |
---|
| 245 | void |
---|
| 246 | GenType::visit( EnumInstType *enumInst ) |
---|
| 247 | { |
---|
| 248 | typeString = "enum " + enumInst->get_name() + " " + typeString; |
---|
| 249 | handleQualifiers( enumInst ); |
---|
| 250 | } |
---|
| 251 | |
---|
| 252 | void |
---|
| 253 | GenType::visit( TypeInstType *typeInst ) |
---|
| 254 | { |
---|
| 255 | typeString = typeInst->get_name() + " " + typeString; |
---|
| 256 | handleQualifiers( typeInst ); |
---|
| 257 | } |
---|
| 258 | |
---|
| 259 | void |
---|
| 260 | GenType::handleQualifiers( Type *type ) |
---|
| 261 | { |
---|
| 262 | if( type->get_isConst() ) { |
---|
| 263 | typeString = "const " + typeString; |
---|
| 264 | } |
---|
| 265 | if( type->get_isVolatile() ) { |
---|
| 266 | typeString = "volatile " + typeString; |
---|
| 267 | } |
---|
| 268 | if( type->get_isRestrict() ) { |
---|
| 269 | typeString = "__restrict " + typeString; |
---|
| 270 | } |
---|
| 271 | } |
---|
| 272 | |
---|
| 273 | } // namespace CodeGen |
---|