| 1 | //
|
|---|
| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
|
|---|
| 3 | //
|
|---|
| 4 | // The contents of this file are covered under the licence agreement in the
|
|---|
| 5 | // file "LICENCE" distributed with Cforall.
|
|---|
| 6 | //
|
|---|
| 7 | // Mangler.cc --
|
|---|
| 8 | //
|
|---|
| 9 | // Author : Richard C. Bilson
|
|---|
| 10 | // Created On : Sun May 17 21:40:29 2015
|
|---|
| 11 | // Last Modified By : Rob Schluntz
|
|---|
| 12 | // Last Modified On : Wed Aug 19 15:52:24 2015
|
|---|
| 13 | // Update Count : 19
|
|---|
| 14 | //
|
|---|
| 15 |
|
|---|
| 16 | #include <cassert>
|
|---|
| 17 | #include <string>
|
|---|
| 18 | #include <algorithm>
|
|---|
| 19 | #include <iterator>
|
|---|
| 20 | #include <functional>
|
|---|
| 21 | #include <set>
|
|---|
| 22 |
|
|---|
| 23 | #include "SynTree/Declaration.h"
|
|---|
| 24 | #include "SynTree/Type.h"
|
|---|
| 25 | #include "SynTree/Expression.h"
|
|---|
| 26 | #include "SynTree/Initializer.h"
|
|---|
| 27 | #include "SynTree/Statement.h"
|
|---|
| 28 | #include "Mangler.h"
|
|---|
| 29 | #include "CodeGen/OperatorTable.h"
|
|---|
| 30 |
|
|---|
| 31 | namespace SymTab {
|
|---|
| 32 | Mangler::Mangler( bool mangleOverridable ) : nextVarNum( 0 ), isTopLevel( true ), mangleOverridable( mangleOverridable ) {
|
|---|
| 33 | }
|
|---|
| 34 |
|
|---|
| 35 | //Mangler::Mangler( const Mangler & )
|
|---|
| 36 | // : mangleName(), varNums( varNums ), nextVarNum( nextVarNum ), isTopLevel( isTopLevel )
|
|---|
| 37 | //{
|
|---|
| 38 | //}
|
|---|
| 39 | Mangler::Mangler( const Mangler &rhs ) : mangleName() {
|
|---|
| 40 | varNums = rhs.varNums;
|
|---|
| 41 | nextVarNum = rhs.nextVarNum;
|
|---|
| 42 | isTopLevel = rhs.isTopLevel;
|
|---|
| 43 | mangleOverridable = rhs.mangleOverridable;
|
|---|
| 44 | }
|
|---|
| 45 |
|
|---|
| 46 | void Mangler::mangleDecl( DeclarationWithType *declaration ) {
|
|---|
| 47 | bool wasTopLevel = isTopLevel;
|
|---|
| 48 | if ( isTopLevel ) {
|
|---|
| 49 | varNums.clear();
|
|---|
| 50 | nextVarNum = 0;
|
|---|
| 51 | isTopLevel = false;
|
|---|
| 52 | } // if
|
|---|
| 53 | mangleName << "__";
|
|---|
| 54 | CodeGen::OperatorInfo opInfo;
|
|---|
| 55 | if ( operatorLookup( declaration->get_name(), opInfo ) ) {
|
|---|
| 56 | mangleName << opInfo.outputName;
|
|---|
| 57 | } else {
|
|---|
| 58 | mangleName << declaration->get_name();
|
|---|
| 59 | } // if
|
|---|
| 60 | mangleName << "__";
|
|---|
| 61 | maybeAccept( declaration->get_type(), *this );
|
|---|
| 62 | if ( mangleOverridable && LinkageSpec::isOverridable( declaration->get_linkage() ) ) {
|
|---|
| 63 | // want to be able to override autogenerated and intrinsic routines,
|
|---|
| 64 | // so they need a different name mangling
|
|---|
| 65 | if ( declaration->get_linkage() == LinkageSpec::AutoGen ) {
|
|---|
| 66 | mangleName << "autogen__";
|
|---|
| 67 | } else if ( declaration->get_linkage() == LinkageSpec::Intrinsic ) {
|
|---|
| 68 | mangleName << "intrinsic__";
|
|---|
| 69 | } else {
|
|---|
| 70 | // if we add another kind of overridable function, this has to change
|
|---|
| 71 | assert( false );
|
|---|
| 72 | } // if
|
|---|
| 73 | }
|
|---|
| 74 | isTopLevel = wasTopLevel;
|
|---|
| 75 | }
|
|---|
| 76 |
|
|---|
| 77 | void Mangler::visit( ObjectDecl *declaration ) {
|
|---|
| 78 | mangleDecl( declaration );
|
|---|
| 79 | }
|
|---|
| 80 |
|
|---|
| 81 | void Mangler::visit( FunctionDecl *declaration ) {
|
|---|
| 82 | mangleDecl( declaration );
|
|---|
| 83 | }
|
|---|
| 84 |
|
|---|
| 85 | void Mangler::visit( VoidType *voidType ) {
|
|---|
| 86 | printQualifiers( voidType );
|
|---|
| 87 | mangleName << "v";
|
|---|
| 88 | }
|
|---|
| 89 |
|
|---|
| 90 | void Mangler::visit( BasicType *basicType ) {
|
|---|
| 91 | static const char *btLetter[] = {
|
|---|
| 92 | "b", // Bool
|
|---|
| 93 | "c", // Char
|
|---|
| 94 | "Sc", // SignedChar
|
|---|
| 95 | "Uc", // UnsignedChar
|
|---|
| 96 | "s", // ShortSignedInt
|
|---|
| 97 | "Us", // ShortUnsignedInt
|
|---|
| 98 | "i", // SignedInt
|
|---|
| 99 | "Ui", // UnsignedInt
|
|---|
| 100 | "l", // LongSignedInt
|
|---|
| 101 | "Ul", // LongUnsignedInt
|
|---|
| 102 | "q", // LongLongSignedInt
|
|---|
| 103 | "Uq", // LongLongUnsignedInt
|
|---|
| 104 | "f", // Float
|
|---|
| 105 | "d", // Double
|
|---|
| 106 | "r", // LongDouble
|
|---|
| 107 | "Xf", // FloatComplex
|
|---|
| 108 | "Xd", // DoubleComplex
|
|---|
| 109 | "Xr", // LongDoubleComplex
|
|---|
| 110 | "If", // FloatImaginary
|
|---|
| 111 | "Id", // DoubleImaginary
|
|---|
| 112 | "Ir", // LongDoubleImaginary
|
|---|
| 113 | };
|
|---|
| 114 |
|
|---|
| 115 | printQualifiers( basicType );
|
|---|
| 116 | mangleName << btLetter[ basicType->get_kind() ];
|
|---|
| 117 | }
|
|---|
| 118 |
|
|---|
| 119 | void Mangler::visit( PointerType *pointerType ) {
|
|---|
| 120 | printQualifiers( pointerType );
|
|---|
| 121 | mangleName << "P";
|
|---|
| 122 | maybeAccept( pointerType->get_base(), *this );
|
|---|
| 123 | }
|
|---|
| 124 |
|
|---|
| 125 | void Mangler::visit( ArrayType *arrayType ) {
|
|---|
| 126 | // TODO: encode dimension
|
|---|
| 127 | printQualifiers( arrayType );
|
|---|
| 128 | mangleName << "A0";
|
|---|
| 129 | maybeAccept( arrayType->get_base(), *this );
|
|---|
| 130 | }
|
|---|
| 131 |
|
|---|
| 132 | namespace {
|
|---|
| 133 | inline std::list< Type* > getTypes( const std::list< DeclarationWithType* > decls ) {
|
|---|
| 134 | std::list< Type* > ret;
|
|---|
| 135 | std::transform( decls.begin(), decls.end(), std::back_inserter( ret ),
|
|---|
| 136 | std::mem_fun( &DeclarationWithType::get_type ) );
|
|---|
| 137 | return ret;
|
|---|
| 138 | }
|
|---|
| 139 | }
|
|---|
| 140 |
|
|---|
| 141 | void Mangler::visit( FunctionType *functionType ) {
|
|---|
| 142 | printQualifiers( functionType );
|
|---|
| 143 | mangleName << "F";
|
|---|
| 144 | std::list< Type* > returnTypes = getTypes( functionType->get_returnVals() );
|
|---|
| 145 | acceptAll( returnTypes, *this );
|
|---|
| 146 | mangleName << "_";
|
|---|
| 147 | std::list< Type* > paramTypes = getTypes( functionType->get_parameters() );
|
|---|
| 148 | acceptAll( paramTypes, *this );
|
|---|
| 149 | mangleName << "_";
|
|---|
| 150 | }
|
|---|
| 151 |
|
|---|
| 152 | void Mangler::mangleRef( ReferenceToType *refType, std::string prefix ) {
|
|---|
| 153 | printQualifiers( refType );
|
|---|
| 154 | mangleName << ( refType->get_name().length() + prefix.length() ) << prefix << refType->get_name();
|
|---|
| 155 | }
|
|---|
| 156 |
|
|---|
| 157 | void Mangler::visit( StructInstType *aggregateUseType ) {
|
|---|
| 158 | mangleRef( aggregateUseType, "s" );
|
|---|
| 159 | }
|
|---|
| 160 |
|
|---|
| 161 | void Mangler::visit( UnionInstType *aggregateUseType ) {
|
|---|
| 162 | mangleRef( aggregateUseType, "u" );
|
|---|
| 163 | }
|
|---|
| 164 |
|
|---|
| 165 | void Mangler::visit( EnumInstType *aggregateUseType ) {
|
|---|
| 166 | mangleRef( aggregateUseType, "e" );
|
|---|
| 167 | }
|
|---|
| 168 |
|
|---|
| 169 | void Mangler::visit( TypeInstType *typeInst ) {
|
|---|
| 170 | VarMapType::iterator varNum = varNums.find( typeInst->get_name() );
|
|---|
| 171 | if ( varNum == varNums.end() ) {
|
|---|
| 172 | mangleRef( typeInst, "t" );
|
|---|
| 173 | } else {
|
|---|
| 174 | printQualifiers( typeInst );
|
|---|
| 175 | std::ostringstream numStream;
|
|---|
| 176 | numStream << varNum->second.first;
|
|---|
| 177 | switch ( (TypeDecl::Kind )varNum->second.second ) {
|
|---|
| 178 | case TypeDecl::Any:
|
|---|
| 179 | mangleName << "t";
|
|---|
| 180 | break;
|
|---|
| 181 | case TypeDecl::Dtype:
|
|---|
| 182 | mangleName << "d";
|
|---|
| 183 | break;
|
|---|
| 184 | case TypeDecl::Ftype:
|
|---|
| 185 | mangleName << "f";
|
|---|
| 186 | break;
|
|---|
| 187 | } // switch
|
|---|
| 188 | mangleName << numStream.str();
|
|---|
| 189 | } // if
|
|---|
| 190 | }
|
|---|
| 191 |
|
|---|
| 192 | void Mangler::visit( TupleType *tupleType ) {
|
|---|
| 193 | printQualifiers( tupleType );
|
|---|
| 194 | mangleName << "T";
|
|---|
| 195 | acceptAll( tupleType->get_types(), *this );
|
|---|
| 196 | mangleName << "_";
|
|---|
| 197 | }
|
|---|
| 198 |
|
|---|
| 199 | void Mangler::visit( TypeDecl *decl ) {
|
|---|
| 200 | static const char *typePrefix[] = { "BT", "BD", "BF" };
|
|---|
| 201 | mangleName << typePrefix[ decl->get_kind() ] << ( decl->get_name().length() + 1 ) << decl->get_name();
|
|---|
| 202 | }
|
|---|
| 203 |
|
|---|
| 204 | void printVarMap( const std::map< std::string, std::pair< int, int > > &varMap, std::ostream &os ) {
|
|---|
| 205 | for ( std::map< std::string, std::pair< int, int > >::const_iterator i = varMap.begin(); i != varMap.end(); ++i ) {
|
|---|
| 206 | os << i->first << "(" << i->second.first << "/" << i->second.second << ")" << std::endl;
|
|---|
| 207 | } // for
|
|---|
| 208 | }
|
|---|
| 209 |
|
|---|
| 210 | void Mangler::printQualifiers( Type *type ) {
|
|---|
| 211 | if ( ! type->get_forall().empty() ) {
|
|---|
| 212 | std::list< std::string > assertionNames;
|
|---|
| 213 | int tcount = 0, dcount = 0, fcount = 0;
|
|---|
| 214 | mangleName << "A";
|
|---|
| 215 | for ( std::list< TypeDecl* >::iterator i = type->get_forall().begin(); i != type->get_forall().end(); ++i ) {
|
|---|
| 216 | switch ( (*i)->get_kind() ) {
|
|---|
| 217 | case TypeDecl::Any:
|
|---|
| 218 | tcount++;
|
|---|
| 219 | break;
|
|---|
| 220 | case TypeDecl::Dtype:
|
|---|
| 221 | dcount++;
|
|---|
| 222 | break;
|
|---|
| 223 | case TypeDecl::Ftype:
|
|---|
| 224 | fcount++;
|
|---|
| 225 | break;
|
|---|
| 226 | } // switch
|
|---|
| 227 | varNums[ (*i )->get_name() ] = std::pair< int, int >( nextVarNum++, (int )(*i )->get_kind() );
|
|---|
| 228 | for ( std::list< DeclarationWithType* >::iterator assert = (*i )->get_assertions().begin(); assert != (*i )->get_assertions().end(); ++assert ) {
|
|---|
| 229 | Mangler sub_mangler( mangleOverridable );
|
|---|
| 230 | sub_mangler.nextVarNum = nextVarNum;
|
|---|
| 231 | sub_mangler.isTopLevel = false;
|
|---|
| 232 | sub_mangler.varNums = varNums;
|
|---|
| 233 | (*assert)->accept( sub_mangler );
|
|---|
| 234 | assertionNames.push_back( sub_mangler.mangleName.str() );
|
|---|
| 235 | } // for
|
|---|
| 236 | } // for
|
|---|
| 237 | mangleName << tcount << "_" << dcount << "_" << fcount << "_";
|
|---|
| 238 | std::copy( assertionNames.begin(), assertionNames.end(), std::ostream_iterator< std::string >( mangleName, "" ) );
|
|---|
| 239 | mangleName << "_";
|
|---|
| 240 | } // if
|
|---|
| 241 | if ( type->get_isConst() ) {
|
|---|
| 242 | mangleName << "C";
|
|---|
| 243 | } // if
|
|---|
| 244 | if ( type->get_isVolatile() ) {
|
|---|
| 245 | mangleName << "V";
|
|---|
| 246 | } // if
|
|---|
| 247 | if ( type->get_isRestrict() ) {
|
|---|
| 248 | mangleName << "R";
|
|---|
| 249 | } // if
|
|---|
| 250 | if ( type->get_isLvalue() ) {
|
|---|
| 251 | mangleName << "L";
|
|---|
| 252 | } // if
|
|---|
| 253 | if ( type->get_isAtomic() ) {
|
|---|
| 254 | mangleName << "A";
|
|---|
| 255 | } // if
|
|---|
| 256 | }
|
|---|
| 257 | } // namespace SymTab
|
|---|
| 258 |
|
|---|
| 259 | // Local Variables: //
|
|---|
| 260 | // tab-width: 4 //
|
|---|
| 261 | // mode: c++ //
|
|---|
| 262 | // compile-command: "make install" //
|
|---|
| 263 | // End: //
|
|---|
