[0dd3a2f] | 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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[8c49c0e] | 7 | // Mangler.cc -- |
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[0dd3a2f] | 8 | // |
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| 9 | // Author : Richard C. Bilson |
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| 10 | // Created On : Sun May 17 21:40:29 2015 |
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[fa4805f] | 11 | // Last Modified By : Andrew Beach |
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| 12 | // Last Modified On : Wed Jun 28 15:31:00 2017 |
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| 13 | // Update Count : 21 |
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[0dd3a2f] | 14 | // |
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| 15 | |
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[51b7345] | 16 | #include <cassert> |
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| 17 | #include <string> |
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| 18 | #include <algorithm> |
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| 19 | #include <iterator> |
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| 20 | #include <functional> |
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| 21 | #include <set> |
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| 22 | |
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| 23 | #include "SynTree/Declaration.h" |
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| 24 | #include "SynTree/Type.h" |
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| 25 | #include "SynTree/Expression.h" |
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| 26 | #include "SynTree/Initializer.h" |
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| 27 | #include "SynTree/Statement.h" |
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| 28 | #include "Mangler.h" |
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| 29 | #include "CodeGen/OperatorTable.h" |
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| 30 | |
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| 31 | namespace SymTab { |
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[69911c11] | 32 | std::string Mangler::mangleType( Type *ty ) { |
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| 33 | Mangler mangler( false, true ); |
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| 34 | maybeAccept( ty, mangler ); |
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| 35 | return mangler.get_mangleName(); |
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| 36 | } |
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[8c49c0e] | 37 | |
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[69911c11] | 38 | Mangler::Mangler( bool mangleOverridable, bool typeMode ) |
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| 39 | : nextVarNum( 0 ), isTopLevel( true ), mangleOverridable( mangleOverridable ), typeMode( typeMode ) {} |
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[8c49c0e] | 40 | |
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[a08ba92] | 41 | Mangler::Mangler( const Mangler &rhs ) : mangleName() { |
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[0dd3a2f] | 42 | varNums = rhs.varNums; |
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| 43 | nextVarNum = rhs.nextVarNum; |
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| 44 | isTopLevel = rhs.isTopLevel; |
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[4aa0858] | 45 | mangleOverridable = rhs.mangleOverridable; |
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[69911c11] | 46 | typeMode = rhs.typeMode; |
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[a08ba92] | 47 | } |
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[51b7345] | 48 | |
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[a08ba92] | 49 | void Mangler::mangleDecl( DeclarationWithType *declaration ) { |
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[0dd3a2f] | 50 | bool wasTopLevel = isTopLevel; |
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| 51 | if ( isTopLevel ) { |
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| 52 | varNums.clear(); |
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| 53 | nextVarNum = 0; |
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| 54 | isTopLevel = false; |
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| 55 | } // if |
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| 56 | mangleName << "__"; |
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| 57 | CodeGen::OperatorInfo opInfo; |
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| 58 | if ( operatorLookup( declaration->get_name(), opInfo ) ) { |
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| 59 | mangleName << opInfo.outputName; |
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| 60 | } else { |
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| 61 | mangleName << declaration->get_name(); |
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| 62 | } // if |
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| 63 | mangleName << "__"; |
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| 64 | maybeAccept( declaration->get_type(), *this ); |
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[4aa0858] | 65 | if ( mangleOverridable && LinkageSpec::isOverridable( declaration->get_linkage() ) ) { |
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| 66 | // want to be able to override autogenerated and intrinsic routines, |
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| 67 | // so they need a different name mangling |
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| 68 | if ( declaration->get_linkage() == LinkageSpec::AutoGen ) { |
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| 69 | mangleName << "autogen__"; |
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| 70 | } else if ( declaration->get_linkage() == LinkageSpec::Intrinsic ) { |
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| 71 | mangleName << "intrinsic__"; |
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| 72 | } else { |
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| 73 | // if we add another kind of overridable function, this has to change |
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[fa4805f] | 74 | assert( false && "unknown overrideable linkage" ); |
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[4aa0858] | 75 | } // if |
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| 76 | } |
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[0dd3a2f] | 77 | isTopLevel = wasTopLevel; |
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[a08ba92] | 78 | } |
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[51b7345] | 79 | |
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[a08ba92] | 80 | void Mangler::visit( ObjectDecl *declaration ) { |
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[0dd3a2f] | 81 | mangleDecl( declaration ); |
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[a08ba92] | 82 | } |
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[51b7345] | 83 | |
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[a08ba92] | 84 | void Mangler::visit( FunctionDecl *declaration ) { |
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[0dd3a2f] | 85 | mangleDecl( declaration ); |
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[a08ba92] | 86 | } |
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[51b7345] | 87 | |
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[a08ba92] | 88 | void Mangler::visit( VoidType *voidType ) { |
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[0dd3a2f] | 89 | printQualifiers( voidType ); |
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| 90 | mangleName << "v"; |
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[a08ba92] | 91 | } |
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[51b7345] | 92 | |
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[a08ba92] | 93 | void Mangler::visit( BasicType *basicType ) { |
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[0dd3a2f] | 94 | static const char *btLetter[] = { |
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| 95 | "b", // Bool |
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| 96 | "c", // Char |
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| 97 | "Sc", // SignedChar |
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| 98 | "Uc", // UnsignedChar |
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| 99 | "s", // ShortSignedInt |
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| 100 | "Us", // ShortUnsignedInt |
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| 101 | "i", // SignedInt |
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| 102 | "Ui", // UnsignedInt |
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| 103 | "l", // LongSignedInt |
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| 104 | "Ul", // LongUnsignedInt |
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| 105 | "q", // LongLongSignedInt |
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| 106 | "Uq", // LongLongUnsignedInt |
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| 107 | "f", // Float |
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| 108 | "d", // Double |
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| 109 | "r", // LongDouble |
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| 110 | "Xf", // FloatComplex |
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| 111 | "Xd", // DoubleComplex |
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| 112 | "Xr", // LongDoubleComplex |
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| 113 | "If", // FloatImaginary |
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| 114 | "Id", // DoubleImaginary |
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| 115 | "Ir", // LongDoubleImaginary |
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| 116 | }; |
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[8c49c0e] | 117 | |
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[0dd3a2f] | 118 | printQualifiers( basicType ); |
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| 119 | mangleName << btLetter[ basicType->get_kind() ]; |
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[a08ba92] | 120 | } |
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[51b7345] | 121 | |
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[a08ba92] | 122 | void Mangler::visit( PointerType *pointerType ) { |
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[0dd3a2f] | 123 | printQualifiers( pointerType ); |
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| 124 | mangleName << "P"; |
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| 125 | maybeAccept( pointerType->get_base(), *this ); |
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[a08ba92] | 126 | } |
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[51b7345] | 127 | |
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[a08ba92] | 128 | void Mangler::visit( ArrayType *arrayType ) { |
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[0dd3a2f] | 129 | // TODO: encode dimension |
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| 130 | printQualifiers( arrayType ); |
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| 131 | mangleName << "A0"; |
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| 132 | maybeAccept( arrayType->get_base(), *this ); |
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[a08ba92] | 133 | } |
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[51b7345] | 134 | |
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[25bd9074] | 135 | void Mangler::visit( ReferenceType *refType ) { |
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| 136 | printQualifiers( refType ); |
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| 137 | mangleName << "R"; |
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| 138 | maybeAccept( refType->get_base(), *this ); |
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| 139 | } |
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| 140 | |
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[a08ba92] | 141 | namespace { |
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[0dd3a2f] | 142 | inline std::list< Type* > getTypes( const std::list< DeclarationWithType* > decls ) { |
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| 143 | std::list< Type* > ret; |
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| 144 | std::transform( decls.begin(), decls.end(), std::back_inserter( ret ), |
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| 145 | std::mem_fun( &DeclarationWithType::get_type ) ); |
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| 146 | return ret; |
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| 147 | } |
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[a08ba92] | 148 | } |
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[51b7345] | 149 | |
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[a08ba92] | 150 | void Mangler::visit( FunctionType *functionType ) { |
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[0dd3a2f] | 151 | printQualifiers( functionType ); |
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| 152 | mangleName << "F"; |
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| 153 | std::list< Type* > returnTypes = getTypes( functionType->get_returnVals() ); |
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| 154 | acceptAll( returnTypes, *this ); |
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| 155 | mangleName << "_"; |
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| 156 | std::list< Type* > paramTypes = getTypes( functionType->get_parameters() ); |
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| 157 | acceptAll( paramTypes, *this ); |
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| 158 | mangleName << "_"; |
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[a08ba92] | 159 | } |
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[51b7345] | 160 | |
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[a08ba92] | 161 | void Mangler::mangleRef( ReferenceToType *refType, std::string prefix ) { |
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[0dd3a2f] | 162 | printQualifiers( refType ); |
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[8360977] | 163 | |
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[0dd3a2f] | 164 | mangleName << ( refType->get_name().length() + prefix.length() ) << prefix << refType->get_name(); |
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[a08ba92] | 165 | } |
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[51b7345] | 166 | |
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[8360977] | 167 | void Mangler::mangleGenericRef( ReferenceToType *refType, std::string prefix ) { |
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| 168 | printQualifiers( refType ); |
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| 169 | |
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| 170 | std::ostringstream oldName( mangleName.str() ); |
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| 171 | mangleName.clear(); |
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| 172 | |
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| 173 | mangleName << prefix << refType->get_name(); |
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| 174 | |
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| 175 | std::list< Expression* >& params = refType->get_parameters(); |
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| 176 | if ( ! params.empty() ) { |
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| 177 | mangleName << "_"; |
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| 178 | for ( std::list< Expression* >::const_iterator param = params.begin(); param != params.end(); ++param ) { |
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| 179 | TypeExpr *paramType = dynamic_cast< TypeExpr* >( *param ); |
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[064cb18] | 180 | assertf(paramType, "Aggregate parameters should be type expressions: %s", toString(*param).c_str()); |
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[69911c11] | 181 | maybeAccept( paramType->get_type(), *this ); |
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[8360977] | 182 | } |
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| 183 | mangleName << "_"; |
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| 184 | } |
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| 185 | |
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| 186 | oldName << mangleName.str().length() << mangleName.str(); |
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| 187 | mangleName.str( oldName.str() ); |
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| 188 | } |
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| 189 | |
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[a08ba92] | 190 | void Mangler::visit( StructInstType *aggregateUseType ) { |
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[69911c11] | 191 | if ( typeMode ) mangleGenericRef( aggregateUseType, "s" ); |
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| 192 | else mangleRef( aggregateUseType, "s" ); |
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[a08ba92] | 193 | } |
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[51b7345] | 194 | |
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[a08ba92] | 195 | void Mangler::visit( UnionInstType *aggregateUseType ) { |
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[69911c11] | 196 | if ( typeMode ) mangleGenericRef( aggregateUseType, "u" ); |
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| 197 | else mangleRef( aggregateUseType, "u" ); |
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[a08ba92] | 198 | } |
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[51b7345] | 199 | |
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[a08ba92] | 200 | void Mangler::visit( EnumInstType *aggregateUseType ) { |
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[0dd3a2f] | 201 | mangleRef( aggregateUseType, "e" ); |
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[a08ba92] | 202 | } |
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[51b7345] | 203 | |
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[a08ba92] | 204 | void Mangler::visit( TypeInstType *typeInst ) { |
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[0dd3a2f] | 205 | VarMapType::iterator varNum = varNums.find( typeInst->get_name() ); |
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| 206 | if ( varNum == varNums.end() ) { |
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| 207 | mangleRef( typeInst, "t" ); |
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| 208 | } else { |
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| 209 | printQualifiers( typeInst ); |
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[5f2f2d7] | 210 | std::ostringstream numStream; |
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[0dd3a2f] | 211 | numStream << varNum->second.first; |
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| 212 | switch ( (TypeDecl::Kind )varNum->second.second ) { |
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| 213 | case TypeDecl::Any: |
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| 214 | mangleName << "t"; |
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| 215 | break; |
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| 216 | case TypeDecl::Dtype: |
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| 217 | mangleName << "d"; |
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| 218 | break; |
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| 219 | case TypeDecl::Ftype: |
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| 220 | mangleName << "f"; |
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| 221 | break; |
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[8bf784a] | 222 | case TypeDecl::Ttype: |
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| 223 | mangleName << "tVARGS"; |
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| 224 | break; |
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| 225 | default: |
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| 226 | assert( false ); |
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[0dd3a2f] | 227 | } // switch |
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[5f2f2d7] | 228 | mangleName << numStream.str(); |
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[0dd3a2f] | 229 | } // if |
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[a08ba92] | 230 | } |
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[51b7345] | 231 | |
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[a08ba92] | 232 | void Mangler::visit( TupleType *tupleType ) { |
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[0dd3a2f] | 233 | printQualifiers( tupleType ); |
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| 234 | mangleName << "T"; |
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| 235 | acceptAll( tupleType->get_types(), *this ); |
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| 236 | mangleName << "_"; |
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[a08ba92] | 237 | } |
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[51b7345] | 238 | |
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[44b7088] | 239 | void Mangler::visit( VarArgsType *varArgsType ) { |
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[540ddb7d] | 240 | printQualifiers( varArgsType ); |
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[44b7088] | 241 | mangleName << "VARGS"; |
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| 242 | } |
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| 243 | |
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[af397ef8] | 244 | void Mangler::visit( __attribute__((unused)) ZeroType *zeroType ) { |
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[89e6ffc] | 245 | mangleName << "Z"; |
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| 246 | } |
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| 247 | |
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[af397ef8] | 248 | void Mangler::visit( __attribute__((unused)) OneType *oneType ) { |
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[89e6ffc] | 249 | mangleName << "O"; |
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| 250 | } |
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| 251 | |
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[a08ba92] | 252 | void Mangler::visit( TypeDecl *decl ) { |
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[0dd3a2f] | 253 | static const char *typePrefix[] = { "BT", "BD", "BF" }; |
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| 254 | mangleName << typePrefix[ decl->get_kind() ] << ( decl->get_name().length() + 1 ) << decl->get_name(); |
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[a08ba92] | 255 | } |
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[51b7345] | 256 | |
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[a08ba92] | 257 | void printVarMap( const std::map< std::string, std::pair< int, int > > &varMap, std::ostream &os ) { |
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[0dd3a2f] | 258 | for ( std::map< std::string, std::pair< int, int > >::const_iterator i = varMap.begin(); i != varMap.end(); ++i ) { |
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| 259 | os << i->first << "(" << i->second.first << "/" << i->second.second << ")" << std::endl; |
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| 260 | } // for |
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[a08ba92] | 261 | } |
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[51b7345] | 262 | |
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[a08ba92] | 263 | void Mangler::printQualifiers( Type *type ) { |
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[78dd0da] | 264 | // skip if not including qualifiers |
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[69911c11] | 265 | if ( typeMode ) return; |
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[8c49c0e] | 266 | |
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[0dd3a2f] | 267 | if ( ! type->get_forall().empty() ) { |
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| 268 | std::list< std::string > assertionNames; |
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[8bf784a] | 269 | int tcount = 0, dcount = 0, fcount = 0, vcount = 0; |
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[0dd3a2f] | 270 | mangleName << "A"; |
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[8c49c0e] | 271 | for ( Type::ForallList::iterator i = type->get_forall().begin(); i != type->get_forall().end(); ++i ) { |
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[0dd3a2f] | 272 | switch ( (*i)->get_kind() ) { |
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| 273 | case TypeDecl::Any: |
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| 274 | tcount++; |
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| 275 | break; |
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| 276 | case TypeDecl::Dtype: |
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| 277 | dcount++; |
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| 278 | break; |
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| 279 | case TypeDecl::Ftype: |
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| 280 | fcount++; |
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| 281 | break; |
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[8bf784a] | 282 | case TypeDecl::Ttype: |
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| 283 | vcount++; |
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| 284 | break; |
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| 285 | default: |
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| 286 | assert( false ); |
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[0dd3a2f] | 287 | } // switch |
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| 288 | varNums[ (*i )->get_name() ] = std::pair< int, int >( nextVarNum++, (int )(*i )->get_kind() ); |
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| 289 | for ( std::list< DeclarationWithType* >::iterator assert = (*i )->get_assertions().begin(); assert != (*i )->get_assertions().end(); ++assert ) { |
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[69911c11] | 290 | Mangler sub_mangler( mangleOverridable, typeMode ); |
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[0dd3a2f] | 291 | sub_mangler.nextVarNum = nextVarNum; |
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| 292 | sub_mangler.isTopLevel = false; |
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| 293 | sub_mangler.varNums = varNums; |
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| 294 | (*assert)->accept( sub_mangler ); |
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[5f2f2d7] | 295 | assertionNames.push_back( sub_mangler.mangleName.str() ); |
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[0dd3a2f] | 296 | } // for |
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| 297 | } // for |
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[8bf784a] | 298 | mangleName << tcount << "_" << dcount << "_" << fcount << "_" << vcount << "_"; |
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[0dd3a2f] | 299 | std::copy( assertionNames.begin(), assertionNames.end(), std::ostream_iterator< std::string >( mangleName, "" ) ); |
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| 300 | mangleName << "_"; |
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| 301 | } // if |
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[615a096] | 302 | if ( type->get_const() ) { |
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[0dd3a2f] | 303 | mangleName << "C"; |
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| 304 | } // if |
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[615a096] | 305 | if ( type->get_volatile() ) { |
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[0dd3a2f] | 306 | mangleName << "V"; |
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| 307 | } // if |
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[8884112] | 308 | // Removed due to restrict not affecting function compatibility in GCC |
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| 309 | // if ( type->get_isRestrict() ) { |
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[25bd9074] | 310 | // mangleName << "E"; |
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[8884112] | 311 | // } // if |
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[615a096] | 312 | if ( type->get_lvalue() ) { |
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[0dd3a2f] | 313 | mangleName << "L"; |
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| 314 | } // if |
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[615a096] | 315 | if ( type->get_atomic() ) { |
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[0dd3a2f] | 316 | mangleName << "A"; |
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| 317 | } // if |
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[a08ba92] | 318 | } |
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[0dd3a2f] | 319 | } // namespace SymTab |
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| 320 | |
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| 321 | // Local Variables: // |
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| 322 | // tab-width: 4 // |
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| 323 | // mode: c++ // |
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| 324 | // compile-command: "make install" // |
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| 325 | // End: // |
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