[51587aa] | 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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[71f4e4f] | 7 | // CodeGenerator.cc -- |
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[51587aa] | 8 | // |
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| 9 | // Author : Richard C. Bilson |
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| 10 | // Created On : Mon May 18 07:44:20 2015 |
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[1931bb01] | 11 | // Last Modified By : Andrew Beach |
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| 12 | // Last Modified On : Wed Jun 29 14:34:00 2022 |
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| 13 | // Update Count : 542 |
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[51587aa] | 14 | // |
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[3268a58] | 15 | #include "CodeGenerator.h" |
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[51587aa] | 16 | |
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[bf2438c] | 17 | #include <cassert> // for assert, assertf |
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| 18 | #include <list> // for _List_iterator, list, list<>::it... |
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[51b7345] | 19 | |
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[1931bb01] | 20 | #include "AST/Decl.hpp" // for DeclWithType |
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[bf2438c] | 21 | #include "Common/UniqueName.h" // for UniqueName |
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| 22 | #include "Common/utility.h" // for CodeLocation, toString |
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| 23 | #include "GenType.h" // for genType |
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| 24 | #include "InitTweak/InitTweak.h" // for getPointerBase |
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| 25 | #include "OperatorTable.h" // for OperatorInfo, operatorLookup |
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[07de76b] | 26 | #include "SynTree/LinkageSpec.h" // for Spec, Intrinsic |
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[bf2438c] | 27 | #include "SynTree/Attribute.h" // for Attribute |
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| 28 | #include "SynTree/BaseSyntaxNode.h" // for BaseSyntaxNode |
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| 29 | #include "SynTree/Constant.h" // for Constant |
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| 30 | #include "SynTree/Declaration.h" // for DeclarationWithType, TypeDecl |
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| 31 | #include "SynTree/Expression.h" // for Expression, UntypedExpr, Applica... |
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| 32 | #include "SynTree/Initializer.h" // for Initializer, ListInit, Designation |
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| 33 | #include "SynTree/Label.h" // for Label, operator<< |
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| 34 | #include "SynTree/Statement.h" // for Statement, AsmStmt, BranchStmt |
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| 35 | #include "SynTree/Type.h" // for Type, Type::StorageClasses, Func... |
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[10a7775] | 36 | |
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[51b7345] | 37 | using namespace std; |
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| 38 | |
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| 39 | namespace CodeGen { |
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[6c4ff37] | 40 | int CodeGenerator::tabsize = 4; |
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[51587aa] | 41 | |
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[60a8062] | 42 | // The kinds of statements that would ideally be followed by whitespace. |
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[2b6c1e0] | 43 | bool wantSpacing( Statement * stmt) { |
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| 44 | return dynamic_cast< IfStmt * >( stmt ) || dynamic_cast< CompoundStmt * >( stmt ) || |
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[3b0bc16] | 45 | dynamic_cast< WhileDoStmt * >( stmt ) || dynamic_cast< ForStmt * >( stmt ) || dynamic_cast< SwitchStmt *>( stmt ); |
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[2b6c1e0] | 46 | } |
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| 47 | |
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[8688ce1] | 48 | void CodeGenerator::extension( Expression * expr ) { |
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[8e9cbb2] | 49 | if ( expr->get_extension() ) { |
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| 50 | output << "__extension__ "; |
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| 51 | } // if |
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| 52 | } // extension |
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| 53 | |
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[8688ce1] | 54 | void CodeGenerator::extension( Declaration * decl ) { |
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[8e9cbb2] | 55 | if ( decl->get_extension() ) { |
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| 56 | output << "__extension__ "; |
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| 57 | } // if |
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| 58 | } // extension |
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| 59 | |
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[58dd019] | 60 | void CodeGenerator::asmName( DeclarationWithType * decl ) { |
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[e612146c] | 61 | if ( ConstantExpr * asmName = dynamic_cast<ConstantExpr *>(decl->get_asmName()) ) { |
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[58dd019] | 62 | output << " asm ( " << asmName->get_constant()->get_value() << " )"; |
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| 63 | } // if |
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| 64 | } // extension |
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| 65 | |
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[888cbe4] | 66 | CodeGenerator::LabelPrinter & CodeGenerator::LabelPrinter::operator()( std::list< Label > & l ) { |
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| 67 | labels = &l; |
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| 68 | return *this; |
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| 69 | } |
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| 70 | |
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[8688ce1] | 71 | ostream & operator<<( ostream & output, CodeGenerator::LabelPrinter & printLabels ) { |
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[888cbe4] | 72 | std::list< Label > & labs = *printLabels.labels; |
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| 73 | // l.unique(); // assumes a sorted list. Why not use set? Does order matter? |
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| 74 | for ( Label & l : labs ) { |
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| 75 | output << l.get_name() + ": "; |
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| 76 | printLabels.cg.genAttributes( l.get_attributes() ); |
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[8688ce1] | 77 | } // for |
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[888cbe4] | 78 | return output; |
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| 79 | } |
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| 80 | |
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[60a8062] | 81 | // Using updateLocation at the beginning of a node and endl within a node should become the method of formating. |
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[8bafacc] | 82 | void CodeGenerator::updateLocation( CodeLocation const & to ) { |
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[d22e90f] | 83 | // skip if linemarks shouldn't appear or if codelocation is unset |
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[42a36d9] | 84 | if ( !options.lineMarks || to.isUnset() ) return; |
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[d22e90f] | 85 | |
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| 86 | if ( currentLocation.followedBy( to, 0 ) ) { |
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[8bafacc] | 87 | return; |
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| 88 | } else if ( currentLocation.followedBy( to, 1 ) ) { |
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| 89 | output << "\n" << indent; |
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[d48e529] | 90 | currentLocation.first_line += 1; |
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[8bafacc] | 91 | } else if ( currentLocation.followedBy( to, 2 ) ) { |
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| 92 | output << "\n\n" << indent; |
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[d48e529] | 93 | currentLocation.first_line += 2; |
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[8bafacc] | 94 | } else { |
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[d48e529] | 95 | output << "\n# " << to.first_line << " \"" << to.filename |
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[60a8062] | 96 | << "\"\n" << indent; |
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[8bafacc] | 97 | currentLocation = to; |
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| 98 | } |
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| 99 | output << std::flush; |
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| 100 | } |
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[c850687] | 101 | |
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[8bafacc] | 102 | void CodeGenerator::updateLocation( BaseSyntaxNode const * to ) { |
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| 103 | updateLocation( to->location ); |
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[c850687] | 104 | } |
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| 105 | |
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[d22e90f] | 106 | // replace endl |
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| 107 | ostream & CodeGenerator::LineEnder::operator()( ostream & os ) const { |
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| 108 | // if ( !cg.lineMarks ) { |
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| 109 | // os << "\n" << cg.indent << std::flush; |
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| 110 | // } |
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| 111 | os << "\n" << std::flush; |
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| 112 | cg.currentLocation.first_line++; |
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| 113 | // os << "/* did endl; current loc is: " << cg.currentLocation.first_line << "*/"; |
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| 114 | return os; |
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[c850687] | 115 | } |
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| 116 | |
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[4e5e6cc] | 117 | CodeGenerator::CodeGenerator( std::ostream & os, bool pretty, bool genC, bool lineMarks, bool printExprTypes ) : indent( 0, CodeGenerator::tabsize ), output( os ), printLabels( *this ), options( pretty, genC, lineMarks, printExprTypes ), endl( *this ) {} |
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| 118 | CodeGenerator::CodeGenerator( std::ostream & os, const Options &options ) : indent( 0, CodeGenerator::tabsize ), output( os ), printLabels( *this ), options(options), endl( *this ) {} |
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[cda48b6] | 119 | |
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[486341f] | 120 | string CodeGenerator::mangleName( DeclarationWithType * decl ) { |
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[13073be] | 121 | // GCC builtins should always be printed unmangled |
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[42a36d9] | 122 | if ( options.pretty || decl->linkage.is_gcc_builtin ) return decl->name; |
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[16ba4a6] | 123 | if ( LinkageSpec::isMangled(decl->linkage) && decl->mangleName != "" ) { |
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[f326f99] | 124 | // need to incorporate scope level in order to differentiate names for destructors |
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| 125 | return decl->get_scopedMangleName(); |
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[51587aa] | 126 | } else { |
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[13073be] | 127 | return decl->name; |
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[51587aa] | 128 | } // if |
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| 129 | } |
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[94b4364] | 130 | |
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[44a81853] | 131 | void CodeGenerator::genAttributes( list< Attribute * > & attributes ) { |
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[60a8062] | 132 | if ( attributes.empty() ) return; |
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[44a81853] | 133 | output << "__attribute__ (("; |
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| 134 | for ( list< Attribute * >::iterator attr( attributes.begin() );; ) { |
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[85b2300] | 135 | output << (*attr)->name; |
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| 136 | if ( ! (*attr)->parameters.empty() ) { |
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[44a81853] | 137 | output << "("; |
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[85b2300] | 138 | genCommaList( (*attr)->parameters.begin(), (*attr)->parameters.end() ); |
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[44a81853] | 139 | output << ")"; |
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| 140 | } // if |
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[60a8062] | 141 | if ( ++attr == attributes.end() ) break; |
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[44a81853] | 142 | output << ","; // separator |
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| 143 | } // for |
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| 144 | output << ")) "; |
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| 145 | } // CodeGenerator::genAttributes |
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[7baed7d] | 146 | |
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[9857e8d] | 147 | // *** BaseSyntaxNode |
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[d22e90f] | 148 | void CodeGenerator::previsit( BaseSyntaxNode * node ) { |
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[9857e8d] | 149 | // turn off automatic recursion for all nodes, to allow each visitor to |
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| 150 | // precisely control the order in which its children are visited. |
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| 151 | visit_children = false; |
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[d22e90f] | 152 | updateLocation( node ); |
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[9857e8d] | 153 | } |
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| 154 | |
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| 155 | // *** BaseSyntaxNode |
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| 156 | void CodeGenerator::postvisit( BaseSyntaxNode * node ) { |
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| 157 | std::stringstream ss; |
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| 158 | node->print( ss ); |
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| 159 | assertf( false, "Unhandled node reached in CodeGenerator: %s", ss.str().c_str() ); |
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| 160 | } |
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[7baed7d] | 161 | |
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[5f08961d] | 162 | // *** Expression |
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| 163 | void CodeGenerator::previsit( Expression * node ) { |
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| 164 | previsit( (BaseSyntaxNode *)node ); |
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| 165 | GuardAction( [this, node](){ |
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[60a8062] | 166 | if ( options.printExprTypes && node->result ) { |
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| 167 | output << " /* " << genType( node->result, "", options ) << " */ "; |
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| 168 | } |
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| 169 | } ); |
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[5f08961d] | 170 | } |
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| 171 | |
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[4810867] | 172 | // *** Declarations |
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[9857e8d] | 173 | void CodeGenerator::postvisit( FunctionDecl * functionDecl ) { |
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[3ed994e] | 174 | // deleted decls should never be used, so don't print them |
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[42a36d9] | 175 | if ( functionDecl->isDeleted && options.genC ) return; |
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[8e9cbb2] | 176 | extension( functionDecl ); |
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[7baed7d] | 177 | genAttributes( functionDecl->get_attributes() ); |
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| 178 | |
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[51587aa] | 179 | handleStorageClass( functionDecl ); |
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[6e8bd43] | 180 | functionDecl->get_funcSpec().print( output ); |
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[dd020c0] | 181 | |
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[da09ba1] | 182 | Options subOptions = options; |
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[76f7fc7] | 183 | subOptions.anonymousUnused = functionDecl->has_body(); |
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[da09ba1] | 184 | output << genType( functionDecl->get_functionType(), mangleName( functionDecl ), subOptions ); |
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[51587aa] | 185 | |
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[58dd019] | 186 | asmName( functionDecl ); |
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| 187 | |
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[51587aa] | 188 | if ( functionDecl->get_statements() ) { |
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[9857e8d] | 189 | functionDecl->get_statements()->accept( *visitor ); |
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[51587aa] | 190 | } // if |
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[3ed994e] | 191 | if ( functionDecl->isDeleted ) { |
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| 192 | output << " = void"; |
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| 193 | } |
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[51587aa] | 194 | } |
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| 195 | |
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[9857e8d] | 196 | void CodeGenerator::postvisit( ObjectDecl * objectDecl ) { |
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[3ed994e] | 197 | // deleted decls should never be used, so don't print them |
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[42a36d9] | 198 | if ( objectDecl->isDeleted && options.genC ) return; |
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[de8d7fb1] | 199 | |
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| 200 | // gcc allows an empty declarator (no name) for bit-fields and C states: 6.7.2.1 Structure and union specifiers, |
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| 201 | // point 4, page 113: If the (bit field) value is zero, the declaration shall have no declarator. For anything |
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| 202 | // else, the anonymous name refers to the anonymous object for plan9 inheritance. |
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| 203 | if ( objectDecl->get_name().empty() && options.genC && ! objectDecl->get_bitfieldWidth() ) { |
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[e39241b] | 204 | // only generate an anonymous name when generating C code, otherwise it clutters the output too much |
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[d9c8a59] | 205 | static UniqueName name = { "__anonymous_object" }; |
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| 206 | objectDecl->set_name( name.newName() ); |
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[de8d7fb1] | 207 | // Stops unused parameter warnings. |
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| 208 | if ( options.anonymousUnused ) { |
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| 209 | objectDecl->attributes.push_back( new Attribute( "unused" ) ); |
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| 210 | } |
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[d9c8a59] | 211 | } |
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| 212 | |
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[8e9cbb2] | 213 | extension( objectDecl ); |
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[f9cebb5] | 214 | genAttributes( objectDecl->get_attributes() ); |
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| 215 | |
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[51587aa] | 216 | handleStorageClass( objectDecl ); |
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[42a36d9] | 217 | output << genType( objectDecl->get_type(), mangleName( objectDecl ), options.pretty, options.genC ); |
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[71f4e4f] | 218 | |
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[58dd019] | 219 | asmName( objectDecl ); |
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| 220 | |
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[51587aa] | 221 | if ( objectDecl->get_init() ) { |
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[6c4ff37] | 222 | output << " = "; |
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[9857e8d] | 223 | objectDecl->get_init()->accept( *visitor ); |
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[51587aa] | 224 | } // if |
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[3ed994e] | 225 | if ( objectDecl->isDeleted ) { |
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| 226 | output << " = void"; |
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| 227 | } |
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[3778cb2] | 228 | |
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[51587aa] | 229 | if ( objectDecl->get_bitfieldWidth() ) { |
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[6c4ff37] | 230 | output << ":"; |
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[9857e8d] | 231 | objectDecl->get_bitfieldWidth()->accept( *visitor ); |
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[51587aa] | 232 | } // if |
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| 233 | } |
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| 234 | |
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[5f642e38] | 235 | void CodeGenerator::handleAggregate( AggregateDecl * aggDecl, const std::string & kind ) { |
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[42a36d9] | 236 | if( ! aggDecl->parameters.empty() && ! options.genC ) { |
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[e39241b] | 237 | // assertf( ! genC, "Aggregate type parameters should not reach code generation." ); |
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| 238 | output << "forall("; |
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[0b3b2ae] | 239 | genCommaList( aggDecl->parameters.begin(), aggDecl->parameters.end() ); |
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[e39241b] | 240 | output << ")" << endl; |
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[e6cee92] | 241 | output << indent; |
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[e39241b] | 242 | } |
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| 243 | |
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[593370c] | 244 | output << kind; |
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[0b3b2ae] | 245 | genAttributes( aggDecl->attributes ); |
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| 246 | output << aggDecl->name; |
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[71f4e4f] | 247 | |
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[2c57025] | 248 | if ( aggDecl->has_body() ) { |
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[0b3b2ae] | 249 | std::list< Declaration * > & memb = aggDecl->members; |
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[94b4364] | 250 | output << " {" << endl; |
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[51587aa] | 251 | |
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[f7cb0bc] | 252 | ++indent; |
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[3778cb2] | 253 | for ( std::list< Declaration* >::iterator i = memb.begin(); i != memb.end(); i++ ) { |
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[87e08e24] | 254 | output << indent; |
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[9857e8d] | 255 | (*i)->accept( *visitor ); |
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[6c4ff37] | 256 | output << ";" << endl; |
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[3778cb2] | 257 | } // for |
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[51587aa] | 258 | |
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[f7cb0bc] | 259 | --indent; |
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[51587aa] | 260 | |
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[cda48b6] | 261 | output << indent << "}"; |
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[17cd4eb] | 262 | } // if |
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[51587aa] | 263 | } |
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[17cd4eb] | 264 | |
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[9857e8d] | 265 | void CodeGenerator::postvisit( StructDecl * structDecl ) { |
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[8e9cbb2] | 266 | extension( structDecl ); |
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[5f642e38] | 267 | handleAggregate( structDecl, "struct " ); |
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[51587aa] | 268 | } |
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[17cd4eb] | 269 | |
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[9857e8d] | 270 | void CodeGenerator::postvisit( UnionDecl * unionDecl ) { |
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[8e9cbb2] | 271 | extension( unionDecl ); |
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[5f642e38] | 272 | handleAggregate( unionDecl, "union " ); |
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[51587aa] | 273 | } |
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[71f4e4f] | 274 | |
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[9857e8d] | 275 | void CodeGenerator::postvisit( EnumDecl * enumDecl ) { |
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[8e9cbb2] | 276 | extension( enumDecl ); |
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| 277 | std::list< Declaration* > &memb = enumDecl->get_members(); |
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[d8e2a09] | 278 | if (enumDecl->base && ! memb.empty()) { |
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[0bd46fd] | 279 | unsigned long long last_val = -1; // if the first enum value has no explicit initializer, |
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| 280 | // as other |
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[51587aa] | 281 | for ( std::list< Declaration* >::iterator i = memb.begin(); i != memb.end(); i++) { |
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[8688ce1] | 282 | ObjectDecl * obj = dynamic_cast< ObjectDecl* >( *i ); |
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[51587aa] | 283 | assert( obj ); |
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[0bd46fd] | 284 | output << "static "; |
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| 285 | output << genType(enumDecl->base, "", options) << " const "; |
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[4390fb6] | 286 | output << mangleName( obj ) << " "; |
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| 287 | output << " = "; |
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[30d91e4] | 288 | output << "(" << genType(enumDecl->base, "", options) << ")"; |
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| 289 | if ( (BasicType *)(enumDecl->base) && ((BasicType *)(enumDecl->base))->isWholeNumber() ) { |
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| 290 | if ( obj->get_init() ) { |
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| 291 | obj->get_init()->accept( *visitor ); |
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[12df6fe] | 292 | last_val = ((ConstantExpr *)(((SingleInit *)(obj->init))->value))->constant.get_ival(); |
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[30d91e4] | 293 | } else { |
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| 294 | output << ++last_val; |
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| 295 | } // if |
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[4390fb6] | 296 | } else { |
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[30d91e4] | 297 | if ( obj->get_init() ) { |
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[b99fd56] | 298 | obj->get_init()->accept( *visitor ); |
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[4390fb6] | 299 | } else { |
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[30d91e4] | 300 | // Should not reach here! |
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[4390fb6] | 301 | } |
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[30d91e4] | 302 | } |
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[4390fb6] | 303 | output << ";" << endl; |
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[51587aa] | 304 | } // for |
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[4390fb6] | 305 | } else { |
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| 306 | output << "enum "; |
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| 307 | genAttributes( enumDecl->get_attributes() ); |
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| 308 | |
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| 309 | output << enumDecl->get_name(); |
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| 310 | |
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| 311 | if ( ! memb.empty() ) { |
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| 312 | output << " {" << endl; |
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| 313 | |
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| 314 | ++indent; |
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| 315 | for ( std::list< Declaration* >::iterator i = memb.begin(); i != memb.end(); i++) { |
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| 316 | ObjectDecl * obj = dynamic_cast< ObjectDecl* >( *i ); |
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| 317 | assert( obj ); |
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| 318 | output << indent << mangleName( obj ); |
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| 319 | if ( obj->get_init() ) { |
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| 320 | output << " = "; |
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| 321 | obj->get_init()->accept( *visitor ); |
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| 322 | } // if |
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| 323 | output << "," << endl; |
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| 324 | } // for |
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[f7cb0bc] | 325 | --indent; |
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[cda48b6] | 326 | output << indent << "}"; |
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[4390fb6] | 327 | } // if |
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[51587aa] | 328 | } // if |
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| 329 | } |
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[71f4e4f] | 330 | |
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[9857e8d] | 331 | void CodeGenerator::postvisit( TraitDecl * traitDecl ) { |
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[42a36d9] | 332 | assertf( ! options.genC, "TraitDecls should not reach code generation." ); |
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[a984e65] | 333 | extension( traitDecl ); |
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| 334 | handleAggregate( traitDecl, "trait " ); |
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| 335 | } |
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[71f4e4f] | 336 | |
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[9857e8d] | 337 | void CodeGenerator::postvisit( TypedefDecl * typeDecl ) { |
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[42a36d9] | 338 | assertf( ! options.genC, "Typedefs are removed and substituted in earlier passes." ); |
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[e39241b] | 339 | output << "typedef "; |
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[42a36d9] | 340 | output << genType( typeDecl->get_base(), typeDecl->get_name(), options ) << endl; |
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[51587aa] | 341 | } |
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[71f4e4f] | 342 | |
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[9857e8d] | 343 | void CodeGenerator::postvisit( TypeDecl * typeDecl ) { |
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[42a36d9] | 344 | assertf( ! options.genC, "TypeDecls should not reach code generation." ); |
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[ab4bff5] | 345 | output << typeDecl->genTypeString() << " " << typeDecl->name; |
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[f0ecf9b] | 346 | if ( typeDecl->sized ) { |
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[ab4bff5] | 347 | output << " | sized(" << typeDecl->name << ")"; |
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[a0c7dc36] | 348 | } |
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[ab4bff5] | 349 | if ( ! typeDecl->assertions.empty() ) { |
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[a0c7dc36] | 350 | output << " | { "; |
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[ab4bff5] | 351 | for ( DeclarationWithType * assert : typeDecl->assertions ) { |
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| 352 | assert->accept( *visitor ); |
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| 353 | output << "; "; |
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| 354 | } |
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[a0c7dc36] | 355 | output << " }"; |
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[e39241b] | 356 | } |
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[51587aa] | 357 | } |
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| 358 | |
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[92fea32] | 359 | void CodeGenerator::postvisit( StaticAssertDecl * assertDecl ) { |
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| 360 | output << "_Static_assert("; |
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| 361 | assertDecl->condition->accept( *visitor ); |
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| 362 | output << ", "; |
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| 363 | assertDecl->message->accept( *visitor ); |
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| 364 | output << ")"; |
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| 365 | } |
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| 366 | |
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[9857e8d] | 367 | void CodeGenerator::postvisit( Designation * designation ) { |
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[e4d829b] | 368 | std::list< Expression * > designators = designation->get_designators(); |
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[e45215c] | 369 | if ( designators.size() == 0 ) return; |
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[e4d829b] | 370 | for ( Expression * des : designators ) { |
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[62423350] | 371 | if ( dynamic_cast< NameExpr * >( des ) || dynamic_cast< VariableExpr * >( des ) ) { |
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| 372 | // if expression is a NameExpr or VariableExpr, then initializing aggregate member |
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| 373 | output << "."; |
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[9857e8d] | 374 | des->accept( *visitor ); |
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[e4d829b] | 375 | } else { |
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[3e54399] | 376 | // otherwise, it has to be a ConstantExpr or CastExpr, initializing array element |
---|
[62423350] | 377 | output << "["; |
---|
[9857e8d] | 378 | des->accept( *visitor ); |
---|
[62423350] | 379 | output << "]"; |
---|
[3778cb2] | 380 | } // if |
---|
| 381 | } // for |
---|
[3eb1653] | 382 | output << " = "; |
---|
[e45215c] | 383 | } |
---|
| 384 | |
---|
[9857e8d] | 385 | void CodeGenerator::postvisit( SingleInit * init ) { |
---|
| 386 | init->get_value()->accept( *visitor ); |
---|
[51587aa] | 387 | } |
---|
| 388 | |
---|
[9857e8d] | 389 | void CodeGenerator::postvisit( ListInit * init ) { |
---|
[e4d829b] | 390 | auto initBegin = init->begin(); |
---|
| 391 | auto initEnd = init->end(); |
---|
| 392 | auto desigBegin = init->get_designations().begin(); |
---|
| 393 | auto desigEnd = init->get_designations().end(); |
---|
| 394 | |
---|
[6c4ff37] | 395 | output << "{ "; |
---|
[e4d829b] | 396 | for ( ; initBegin != initEnd && desigBegin != desigEnd; ) { |
---|
[9857e8d] | 397 | (*desigBegin)->accept( *visitor ); |
---|
| 398 | (*initBegin)->accept( *visitor ); |
---|
[e4d829b] | 399 | ++initBegin, ++desigBegin; |
---|
| 400 | if ( initBegin != initEnd ) { |
---|
| 401 | output << ", "; |
---|
| 402 | } |
---|
| 403 | } |
---|
[6c4ff37] | 404 | output << " }"; |
---|
[e4d829b] | 405 | assertf( initBegin == initEnd && desigBegin == desigEnd, "Initializers and designators not the same length. %s", toString( init ).c_str() ); |
---|
[51587aa] | 406 | } |
---|
| 407 | |
---|
[d22e90f] | 408 | void CodeGenerator::postvisit( ConstructorInit * init ){ |
---|
[42a36d9] | 409 | assertf( ! options.genC, "ConstructorInit nodes should not reach code generation." ); |
---|
[e6cee92] | 410 | // pseudo-output for constructor/destructor pairs |
---|
[d22e90f] | 411 | output << "<ctorinit>{" << endl << ++indent << "ctor: "; |
---|
[9857e8d] | 412 | maybeAccept( init->get_ctor(), *visitor ); |
---|
[d22e90f] | 413 | output << ", " << endl << indent << "dtor: "; |
---|
[9857e8d] | 414 | maybeAccept( init->get_dtor(), *visitor ); |
---|
[d22e90f] | 415 | output << endl << --indent << "}"; |
---|
[fc638d2] | 416 | } |
---|
| 417 | |
---|
[9857e8d] | 418 | void CodeGenerator::postvisit( Constant * constant ) { |
---|
[d7312ac] | 419 | output << constant->get_value(); |
---|
[51587aa] | 420 | } |
---|
| 421 | |
---|
[4810867] | 422 | // *** Expressions |
---|
[9857e8d] | 423 | void CodeGenerator::postvisit( ApplicationExpr * applicationExpr ) { |
---|
[e04ef3a] | 424 | extension( applicationExpr ); |
---|
[8688ce1] | 425 | if ( VariableExpr * varExpr = dynamic_cast< VariableExpr* >( applicationExpr->get_function() ) ) { |
---|
[60a8062] | 426 | const OperatorInfo * opInfo; |
---|
| 427 | if ( varExpr->get_var()->get_linkage() == LinkageSpec::Intrinsic && ( opInfo = operatorLookup( varExpr->get_var()->get_name() ) ) ) { |
---|
[51587aa] | 428 | std::list< Expression* >::iterator arg = applicationExpr->get_args().begin(); |
---|
[60a8062] | 429 | switch ( opInfo->type ) { |
---|
[51587aa] | 430 | case OT_INDEX: |
---|
| 431 | assert( applicationExpr->get_args().size() == 2 ); |
---|
[9857e8d] | 432 | (*arg++)->accept( *visitor ); |
---|
[6c4ff37] | 433 | output << "["; |
---|
[9857e8d] | 434 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 435 | output << "]"; |
---|
[51587aa] | 436 | break; |
---|
[71f4e4f] | 437 | |
---|
[51587aa] | 438 | case OT_CALL: |
---|
[356189a] | 439 | // there are no intrinsic definitions of the function call operator |
---|
[51587aa] | 440 | assert( false ); |
---|
| 441 | break; |
---|
[71f4e4f] | 442 | |
---|
[f1e012b] | 443 | case OT_CTOR: |
---|
[c2ce2350] | 444 | case OT_DTOR: |
---|
[356189a] | 445 | if ( applicationExpr->get_args().size() == 1 ) { |
---|
[8e9cbb2] | 446 | // the expression fed into a single parameter constructor or destructor may contain side |
---|
| 447 | // effects, so must still output this expression |
---|
[64071c2] | 448 | output << "("; |
---|
[9857e8d] | 449 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 450 | output << ") /* " << opInfo->inputName << " */"; |
---|
[356189a] | 451 | } else if ( applicationExpr->get_args().size() == 2 ) { |
---|
[c2ce2350] | 452 | // intrinsic two parameter constructors are essentially bitwise assignment |
---|
[356189a] | 453 | output << "("; |
---|
[9857e8d] | 454 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 455 | output << opInfo->symbol; |
---|
[9857e8d] | 456 | (*arg)->accept( *visitor ); |
---|
[60a8062] | 457 | output << ") /* " << opInfo->inputName << " */"; |
---|
[356189a] | 458 | } else { |
---|
[c2ce2350] | 459 | // no constructors with 0 or more than 2 parameters |
---|
[356189a] | 460 | assert( false ); |
---|
[8688ce1] | 461 | } // if |
---|
[356189a] | 462 | break; |
---|
[f1e012b] | 463 | |
---|
[51587aa] | 464 | case OT_PREFIX: |
---|
| 465 | case OT_PREFIXASSIGN: |
---|
| 466 | assert( applicationExpr->get_args().size() == 1 ); |
---|
[6c4ff37] | 467 | output << "("; |
---|
[60a8062] | 468 | output << opInfo->symbol; |
---|
[9857e8d] | 469 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 470 | output << ")"; |
---|
[51587aa] | 471 | break; |
---|
[71f4e4f] | 472 | |
---|
[51587aa] | 473 | case OT_POSTFIX: |
---|
| 474 | case OT_POSTFIXASSIGN: |
---|
| 475 | assert( applicationExpr->get_args().size() == 1 ); |
---|
[9857e8d] | 476 | (*arg)->accept( *visitor ); |
---|
[60a8062] | 477 | output << opInfo->symbol; |
---|
[51587aa] | 478 | break; |
---|
| 479 | |
---|
[f1e012b] | 480 | |
---|
[51587aa] | 481 | case OT_INFIX: |
---|
| 482 | case OT_INFIXASSIGN: |
---|
| 483 | assert( applicationExpr->get_args().size() == 2 ); |
---|
[6c4ff37] | 484 | output << "("; |
---|
[9857e8d] | 485 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 486 | output << opInfo->symbol; |
---|
[9857e8d] | 487 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 488 | output << ")"; |
---|
[51587aa] | 489 | break; |
---|
[71f4e4f] | 490 | |
---|
[51587aa] | 491 | case OT_CONSTANT: |
---|
[721f17a] | 492 | case OT_LABELADDRESS: |
---|
| 493 | // there are no intrinsic definitions of 0/1 or label addresses as functions |
---|
[51587aa] | 494 | assert( false ); |
---|
[3778cb2] | 495 | } // switch |
---|
[9d55ff6] | 496 | } else if( varExpr->get_var()->get_linkage() == LinkageSpec::BuiltinCFA && varExpr->get_var()->get_name() == "intptr" ) { |
---|
| 497 | // THIS is a hack to make it a constant until a proper constexpr solution is created |
---|
| 498 | output << "((void*)"; |
---|
| 499 | std::list< Expression* >::iterator arg = applicationExpr->get_args().begin(); |
---|
| 500 | (*arg++)->accept( *visitor ); |
---|
| 501 | output << ")"; |
---|
[17cd4eb] | 502 | } else { |
---|
[9857e8d] | 503 | varExpr->accept( *visitor ); |
---|
[6c4ff37] | 504 | output << "("; |
---|
[51587aa] | 505 | genCommaList( applicationExpr->get_args().begin(), applicationExpr->get_args().end() ); |
---|
[6c4ff37] | 506 | output << ")"; |
---|
[17cd4eb] | 507 | } // if |
---|
[51587aa] | 508 | } else { |
---|
[9857e8d] | 509 | applicationExpr->get_function()->accept( *visitor ); |
---|
[6c4ff37] | 510 | output << "("; |
---|
[51587aa] | 511 | genCommaList( applicationExpr->get_args().begin(), applicationExpr->get_args().end() ); |
---|
[6c4ff37] | 512 | output << ")"; |
---|
[51587aa] | 513 | } // if |
---|
| 514 | } |
---|
[71f4e4f] | 515 | |
---|
[9857e8d] | 516 | void CodeGenerator::postvisit( UntypedExpr * untypedExpr ) { |
---|
[e04ef3a] | 517 | extension( untypedExpr ); |
---|
[22bc276] | 518 | if ( NameExpr * nameExpr = dynamic_cast< NameExpr* >( untypedExpr->function ) ) { |
---|
[60a8062] | 519 | const OperatorInfo * opInfo = operatorLookup( nameExpr->name ); |
---|
| 520 | if ( opInfo ) { |
---|
[22bc276] | 521 | std::list< Expression* >::iterator arg = untypedExpr->args.begin(); |
---|
[60a8062] | 522 | switch ( opInfo->type ) { |
---|
[51587aa] | 523 | case OT_INDEX: |
---|
[22bc276] | 524 | assert( untypedExpr->args.size() == 2 ); |
---|
[9857e8d] | 525 | (*arg++)->accept( *visitor ); |
---|
[6c4ff37] | 526 | output << "["; |
---|
[9857e8d] | 527 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 528 | output << "]"; |
---|
[51587aa] | 529 | break; |
---|
[71f4e4f] | 530 | |
---|
[51587aa] | 531 | case OT_CALL: |
---|
[f1e012b] | 532 | assert( false ); |
---|
| 533 | |
---|
[c2ce2350] | 534 | case OT_CTOR: |
---|
| 535 | case OT_DTOR: |
---|
[22bc276] | 536 | if ( untypedExpr->args.size() == 1 ) { |
---|
[8e9cbb2] | 537 | // the expression fed into a single parameter constructor or destructor may contain side |
---|
| 538 | // effects, so must still output this expression |
---|
[64071c2] | 539 | output << "("; |
---|
[9857e8d] | 540 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 541 | output << ") /* " << opInfo->inputName << " */"; |
---|
[c2ce2350] | 542 | } else if ( untypedExpr->get_args().size() == 2 ) { |
---|
| 543 | // intrinsic two parameter constructors are essentially bitwise assignment |
---|
| 544 | output << "("; |
---|
[9857e8d] | 545 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 546 | output << opInfo->symbol; |
---|
[9857e8d] | 547 | (*arg)->accept( *visitor ); |
---|
[60a8062] | 548 | output << ") /* " << opInfo->inputName << " */"; |
---|
[c2ce2350] | 549 | } else { |
---|
| 550 | // no constructors with 0 or more than 2 parameters |
---|
[42a36d9] | 551 | assertf( ! options.genC, "UntypedExpr constructor/destructor with 0 or more than 2 parameters." ); |
---|
[4e8949f] | 552 | output << "("; |
---|
| 553 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 554 | output << opInfo->symbol << "{ "; |
---|
[22bc276] | 555 | genCommaList( arg, untypedExpr->args.end() ); |
---|
[60a8062] | 556 | output << "}) /* " << opInfo->inputName << " */"; |
---|
[3778cb2] | 557 | } // if |
---|
[51587aa] | 558 | break; |
---|
[71f4e4f] | 559 | |
---|
[51587aa] | 560 | case OT_PREFIX: |
---|
| 561 | case OT_PREFIXASSIGN: |
---|
[de62360d] | 562 | case OT_LABELADDRESS: |
---|
[22bc276] | 563 | assert( untypedExpr->args.size() == 1 ); |
---|
[6c4ff37] | 564 | output << "("; |
---|
[60a8062] | 565 | output << opInfo->symbol; |
---|
[9857e8d] | 566 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 567 | output << ")"; |
---|
[51587aa] | 568 | break; |
---|
[71f4e4f] | 569 | |
---|
[51587aa] | 570 | case OT_POSTFIX: |
---|
| 571 | case OT_POSTFIXASSIGN: |
---|
[22bc276] | 572 | assert( untypedExpr->args.size() == 1 ); |
---|
[9857e8d] | 573 | (*arg)->accept( *visitor ); |
---|
[60a8062] | 574 | output << opInfo->symbol; |
---|
[51587aa] | 575 | break; |
---|
[71f4e4f] | 576 | |
---|
[51587aa] | 577 | case OT_INFIX: |
---|
| 578 | case OT_INFIXASSIGN: |
---|
[22bc276] | 579 | assert( untypedExpr->args.size() == 2 ); |
---|
[6c4ff37] | 580 | output << "("; |
---|
[9857e8d] | 581 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 582 | output << opInfo->symbol; |
---|
[9857e8d] | 583 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 584 | output << ")"; |
---|
[51587aa] | 585 | break; |
---|
[71f4e4f] | 586 | |
---|
[51587aa] | 587 | case OT_CONSTANT: |
---|
| 588 | // there are no intrinsic definitions of 0 or 1 as functions |
---|
| 589 | assert( false ); |
---|
[3778cb2] | 590 | } // switch |
---|
[51587aa] | 591 | } else { |
---|
[22bc276] | 592 | // builtin routines |
---|
| 593 | nameExpr->accept( *visitor ); |
---|
| 594 | output << "("; |
---|
| 595 | genCommaList( untypedExpr->args.begin(), untypedExpr->args.end() ); |
---|
| 596 | output << ")"; |
---|
[51587aa] | 597 | } // if |
---|
| 598 | } else { |
---|
[22bc276] | 599 | untypedExpr->function->accept( *visitor ); |
---|
[6c4ff37] | 600 | output << "("; |
---|
[22bc276] | 601 | genCommaList( untypedExpr->args.begin(), untypedExpr->args.end() ); |
---|
[6c4ff37] | 602 | output << ")"; |
---|
[51587aa] | 603 | } // if |
---|
| 604 | } |
---|
[71f4e4f] | 605 | |
---|
[9857e8d] | 606 | void CodeGenerator::postvisit( RangeExpr * rangeExpr ) { |
---|
[22bc276] | 607 | rangeExpr->low->accept( *visitor ); |
---|
[064e3ff] | 608 | output << " ... "; |
---|
[22bc276] | 609 | rangeExpr->high->accept( *visitor ); |
---|
[064e3ff] | 610 | } |
---|
| 611 | |
---|
[9857e8d] | 612 | void CodeGenerator::postvisit( NameExpr * nameExpr ) { |
---|
[e04ef3a] | 613 | extension( nameExpr ); |
---|
[60a8062] | 614 | const OperatorInfo * opInfo = operatorLookup( nameExpr->name ); |
---|
| 615 | if ( opInfo ) { |
---|
| 616 | if ( opInfo->type == OT_CONSTANT ) { |
---|
| 617 | output << opInfo->symbol; |
---|
[5ea7a22] | 618 | } else { |
---|
[60a8062] | 619 | output << opInfo->outputName; |
---|
[5ea7a22] | 620 | } |
---|
[51587aa] | 621 | } else { |
---|
[6c4ff37] | 622 | output << nameExpr->get_name(); |
---|
[51587aa] | 623 | } // if |
---|
| 624 | } |
---|
[71f4e4f] | 625 | |
---|
[6e50a6b] | 626 | void CodeGenerator::postvisit( DimensionExpr * dimensionExpr ) { |
---|
| 627 | extension( dimensionExpr ); |
---|
| 628 | output << "/*non-type*/" << dimensionExpr->get_name(); |
---|
| 629 | } |
---|
| 630 | |
---|
[9857e8d] | 631 | void CodeGenerator::postvisit( AddressExpr * addressExpr ) { |
---|
[e04ef3a] | 632 | extension( addressExpr ); |
---|
[6c4ff37] | 633 | output << "(&"; |
---|
[9857e8d] | 634 | addressExpr->arg->accept( *visitor ); |
---|
[6c4ff37] | 635 | output << ")"; |
---|
[51587aa] | 636 | } |
---|
| 637 | |
---|
[9857e8d] | 638 | void CodeGenerator::postvisit( LabelAddressExpr *addressExpr ) { |
---|
[5809461] | 639 | extension( addressExpr ); |
---|
| 640 | output << "(&&" << addressExpr->arg << ")"; |
---|
| 641 | } |
---|
| 642 | |
---|
[9857e8d] | 643 | void CodeGenerator::postvisit( CastExpr * castExpr ) { |
---|
[e04ef3a] | 644 | extension( castExpr ); |
---|
[803deb1] | 645 | output << "("; |
---|
[906e24d] | 646 | if ( castExpr->get_result()->isVoid() ) { |
---|
[d7312ac] | 647 | output << "(void)"; |
---|
[d104b02] | 648 | } else { |
---|
| 649 | // at least one result type of cast. |
---|
| 650 | // Note: previously, lvalue casts were skipped. Since it's now impossible for the user to write |
---|
| 651 | // an lvalue cast, this has been taken out. |
---|
[803deb1] | 652 | output << "("; |
---|
[42a36d9] | 653 | output << genType( castExpr->get_result(), "", options ); |
---|
[71f4e4f] | 654 | output << ")"; |
---|
[3778cb2] | 655 | } // if |
---|
[da9d79b] | 656 | castExpr->arg->accept( *visitor ); |
---|
| 657 | output << ")"; |
---|
| 658 | } |
---|
| 659 | |
---|
| 660 | void CodeGenerator::postvisit( KeywordCastExpr * castExpr ) { |
---|
[42a36d9] | 661 | assertf( ! options.genC, "KeywordCast should not reach code generation." ); |
---|
[da9d79b] | 662 | extension( castExpr ); |
---|
| 663 | output << "((" << castExpr->targetString() << " &)"; |
---|
| 664 | castExpr->arg->accept( *visitor ); |
---|
[803deb1] | 665 | output << ")"; |
---|
[51587aa] | 666 | } |
---|
[71f4e4f] | 667 | |
---|
[9857e8d] | 668 | void CodeGenerator::postvisit( VirtualCastExpr * castExpr ) { |
---|
[42a36d9] | 669 | assertf( ! options.genC, "VirtualCastExpr should not reach code generation." ); |
---|
[a5f0529] | 670 | extension( castExpr ); |
---|
| 671 | output << "(virtual "; |
---|
[9857e8d] | 672 | castExpr->get_arg()->accept( *visitor ); |
---|
[a5f0529] | 673 | output << ")"; |
---|
| 674 | } |
---|
| 675 | |
---|
[9857e8d] | 676 | void CodeGenerator::postvisit( UntypedMemberExpr * memberExpr ) { |
---|
[42a36d9] | 677 | assertf( ! options.genC, "UntypedMemberExpr should not reach code generation." ); |
---|
[e39241b] | 678 | extension( memberExpr ); |
---|
[9857e8d] | 679 | memberExpr->get_aggregate()->accept( *visitor ); |
---|
[5f642e38] | 680 | output << "."; |
---|
[9857e8d] | 681 | memberExpr->get_member()->accept( *visitor ); |
---|
[51587aa] | 682 | } |
---|
[71f4e4f] | 683 | |
---|
[9857e8d] | 684 | void CodeGenerator::postvisit( MemberExpr * memberExpr ) { |
---|
[e04ef3a] | 685 | extension( memberExpr ); |
---|
[9857e8d] | 686 | memberExpr->get_aggregate()->accept( *visitor ); |
---|
[6c4ff37] | 687 | output << "." << mangleName( memberExpr->get_member() ); |
---|
[51587aa] | 688 | } |
---|
[71f4e4f] | 689 | |
---|
[9857e8d] | 690 | void CodeGenerator::postvisit( VariableExpr * variableExpr ) { |
---|
[e04ef3a] | 691 | extension( variableExpr ); |
---|
[60a8062] | 692 | const OperatorInfo * opInfo; |
---|
[b99fd56] | 693 | if( dynamic_cast<ZeroType*>( variableExpr->get_var()->get_type() ) ) { |
---|
| 694 | output << "0"; |
---|
| 695 | } else if ( variableExpr->get_var()->get_linkage() == LinkageSpec::Intrinsic && (opInfo = operatorLookup( variableExpr->get_var()->get_name() )) && opInfo->type == OT_CONSTANT ) { |
---|
[60a8062] | 696 | output << opInfo->symbol; |
---|
[51587aa] | 697 | } else { |
---|
[6c4ff37] | 698 | output << mangleName( variableExpr->get_var() ); |
---|
[51587aa] | 699 | } // if |
---|
| 700 | } |
---|
[71f4e4f] | 701 | |
---|
[9857e8d] | 702 | void CodeGenerator::postvisit( ConstantExpr * constantExpr ) { |
---|
[51587aa] | 703 | assert( constantExpr->get_constant() ); |
---|
[e04ef3a] | 704 | extension( constantExpr ); |
---|
[9857e8d] | 705 | constantExpr->get_constant()->accept( *visitor ); |
---|
[51587aa] | 706 | } |
---|
[71f4e4f] | 707 | |
---|
[9857e8d] | 708 | void CodeGenerator::postvisit( SizeofExpr * sizeofExpr ) { |
---|
[e04ef3a] | 709 | extension( sizeofExpr ); |
---|
[6c4ff37] | 710 | output << "sizeof("; |
---|
[51587aa] | 711 | if ( sizeofExpr->get_isType() ) { |
---|
[42a36d9] | 712 | output << genType( sizeofExpr->get_type(), "", options ); |
---|
[51587aa] | 713 | } else { |
---|
[9857e8d] | 714 | sizeofExpr->get_expr()->accept( *visitor ); |
---|
[51587aa] | 715 | } // if |
---|
[6c4ff37] | 716 | output << ")"; |
---|
[51587aa] | 717 | } |
---|
[47534159] | 718 | |
---|
[9857e8d] | 719 | void CodeGenerator::postvisit( AlignofExpr * alignofExpr ) { |
---|
[47534159] | 720 | // use GCC extension to avoid bumping std to C11 |
---|
[8e9cbb2] | 721 | extension( alignofExpr ); |
---|
[47534159] | 722 | output << "__alignof__("; |
---|
[25a054f] | 723 | if ( alignofExpr->get_isType() ) { |
---|
[42a36d9] | 724 | output << genType( alignofExpr->get_type(), "", options ); |
---|
[47534159] | 725 | } else { |
---|
[9857e8d] | 726 | alignofExpr->get_expr()->accept( *visitor ); |
---|
[47534159] | 727 | } // if |
---|
| 728 | output << ")"; |
---|
| 729 | } |
---|
[71f4e4f] | 730 | |
---|
[9857e8d] | 731 | void CodeGenerator::postvisit( UntypedOffsetofExpr * offsetofExpr ) { |
---|
[42a36d9] | 732 | assertf( ! options.genC, "UntypedOffsetofExpr should not reach code generation." ); |
---|
[e39241b] | 733 | output << "offsetof("; |
---|
[42a36d9] | 734 | output << genType( offsetofExpr->get_type(), "", options ); |
---|
[e39241b] | 735 | output << ", " << offsetofExpr->get_member(); |
---|
| 736 | output << ")"; |
---|
[2a4b088] | 737 | } |
---|
| 738 | |
---|
[9857e8d] | 739 | void CodeGenerator::postvisit( OffsetofExpr * offsetofExpr ) { |
---|
[25a054f] | 740 | // use GCC builtin |
---|
| 741 | output << "__builtin_offsetof("; |
---|
[42a36d9] | 742 | output << genType( offsetofExpr->get_type(), "", options ); |
---|
[e551c69] | 743 | output << ", " << mangleName( offsetofExpr->get_member() ); |
---|
[25a054f] | 744 | output << ")"; |
---|
| 745 | } |
---|
[d63eeb0] | 746 | |
---|
[9857e8d] | 747 | void CodeGenerator::postvisit( OffsetPackExpr * offsetPackExpr ) { |
---|
[42a36d9] | 748 | assertf( ! options.genC, "OffsetPackExpr should not reach code generation." ); |
---|
| 749 | output << "__CFA_offsetpack(" << genType( offsetPackExpr->get_type(), "", options ) << ")"; |
---|
[afc1045] | 750 | } |
---|
[70a06f6] | 751 | |
---|
[9857e8d] | 752 | void CodeGenerator::postvisit( LogicalExpr * logicalExpr ) { |
---|
[e04ef3a] | 753 | extension( logicalExpr ); |
---|
[6c4ff37] | 754 | output << "("; |
---|
[9857e8d] | 755 | logicalExpr->get_arg1()->accept( *visitor ); |
---|
[51587aa] | 756 | if ( logicalExpr->get_isAnd() ) { |
---|
[6c4ff37] | 757 | output << " && "; |
---|
[51587aa] | 758 | } else { |
---|
[6c4ff37] | 759 | output << " || "; |
---|
[51587aa] | 760 | } // if |
---|
[9857e8d] | 761 | logicalExpr->get_arg2()->accept( *visitor ); |
---|
[6c4ff37] | 762 | output << ")"; |
---|
[51587aa] | 763 | } |
---|
[71f4e4f] | 764 | |
---|
[9857e8d] | 765 | void CodeGenerator::postvisit( ConditionalExpr * conditionalExpr ) { |
---|
[e04ef3a] | 766 | extension( conditionalExpr ); |
---|
[6c4ff37] | 767 | output << "("; |
---|
[9857e8d] | 768 | conditionalExpr->get_arg1()->accept( *visitor ); |
---|
[6c4ff37] | 769 | output << " ? "; |
---|
[9857e8d] | 770 | conditionalExpr->get_arg2()->accept( *visitor ); |
---|
[6c4ff37] | 771 | output << " : "; |
---|
[9857e8d] | 772 | conditionalExpr->get_arg3()->accept( *visitor ); |
---|
[6c4ff37] | 773 | output << ")"; |
---|
[51587aa] | 774 | } |
---|
[71f4e4f] | 775 | |
---|
[9857e8d] | 776 | void CodeGenerator::postvisit( CommaExpr * commaExpr ) { |
---|
[e04ef3a] | 777 | extension( commaExpr ); |
---|
[6c4ff37] | 778 | output << "("; |
---|
[42a36d9] | 779 | if ( options.genC ) { |
---|
[8a6cf7e] | 780 | // arg1 of a CommaExpr is never used, so it can be safely cast to void to reduce gcc warnings. |
---|
| 781 | commaExpr->set_arg1( new CastExpr( commaExpr->get_arg1() ) ); |
---|
| 782 | } |
---|
[9857e8d] | 783 | commaExpr->get_arg1()->accept( *visitor ); |
---|
[6c4ff37] | 784 | output << " , "; |
---|
[9857e8d] | 785 | commaExpr->get_arg2()->accept( *visitor ); |
---|
[6c4ff37] | 786 | output << ")"; |
---|
[51587aa] | 787 | } |
---|
[71f4e4f] | 788 | |
---|
[9857e8d] | 789 | void CodeGenerator::postvisit( TupleAssignExpr * tupleExpr ) { |
---|
[42a36d9] | 790 | assertf( ! options.genC, "TupleAssignExpr should not reach code generation." ); |
---|
[9857e8d] | 791 | tupleExpr->stmtExpr->accept( *visitor ); |
---|
[d104b02] | 792 | } |
---|
| 793 | |
---|
[9857e8d] | 794 | void CodeGenerator::postvisit( UntypedTupleExpr * tupleExpr ) { |
---|
[42a36d9] | 795 | assertf( ! options.genC, "UntypedTupleExpr should not reach code generation." ); |
---|
[f975c65] | 796 | extension( tupleExpr ); |
---|
[e39241b] | 797 | output << "["; |
---|
| 798 | genCommaList( tupleExpr->get_exprs().begin(), tupleExpr->get_exprs().end() ); |
---|
| 799 | output << "]"; |
---|
| 800 | } |
---|
[907eccb] | 801 | |
---|
[9857e8d] | 802 | void CodeGenerator::postvisit( TupleExpr * tupleExpr ) { |
---|
[42a36d9] | 803 | assertf( ! options.genC, "TupleExpr should not reach code generation." ); |
---|
[f975c65] | 804 | extension( tupleExpr ); |
---|
[e39241b] | 805 | output << "["; |
---|
| 806 | genCommaList( tupleExpr->get_exprs().begin(), tupleExpr->get_exprs().end() ); |
---|
| 807 | output << "]"; |
---|
| 808 | } |
---|
[71f4e4f] | 809 | |
---|
[9857e8d] | 810 | void CodeGenerator::postvisit( TupleIndexExpr * tupleExpr ) { |
---|
[42a36d9] | 811 | assertf( ! options.genC, "TupleIndexExpr should not reach code generation." ); |
---|
[f975c65] | 812 | extension( tupleExpr ); |
---|
[9857e8d] | 813 | tupleExpr->get_tuple()->accept( *visitor ); |
---|
[f975c65] | 814 | output << "." << tupleExpr->get_index(); |
---|
| 815 | } |
---|
| 816 | |
---|
[9857e8d] | 817 | void CodeGenerator::postvisit( TypeExpr * typeExpr ) { |
---|
[42a36d9] | 818 | // if ( options.genC ) std::cerr << "typeexpr still exists: " << typeExpr << std::endl; |
---|
| 819 | // assertf( ! options.genC, "TypeExpr should not reach code generation." ); |
---|
| 820 | if ( ! options.genC ) { |
---|
| 821 | output << genType( typeExpr->get_type(), "", options ); |
---|
[e4d829b] | 822 | } |
---|
[e39241b] | 823 | } |
---|
[2b6c1e0] | 824 | |
---|
[9857e8d] | 825 | void CodeGenerator::postvisit( AsmExpr * asmExpr ) { |
---|
[665f432] | 826 | if ( !asmExpr->inout.empty() ) { |
---|
[7f5566b] | 827 | output << "[ "; |
---|
[665f432] | 828 | output << asmExpr->inout; |
---|
[7f5566b] | 829 | output << " ] "; |
---|
| 830 | } // if |
---|
[665f432] | 831 | asmExpr->constraint->accept( *visitor ); |
---|
[7f5566b] | 832 | output << " ( "; |
---|
[665f432] | 833 | asmExpr->operand->accept( *visitor ); |
---|
[7f5566b] | 834 | output << " )"; |
---|
| 835 | } |
---|
| 836 | |
---|
[9857e8d] | 837 | void CodeGenerator::postvisit( CompoundLiteralExpr *compLitExpr ) { |
---|
[fbcde64] | 838 | assert( compLitExpr->get_result() && dynamic_cast< ListInit * > ( compLitExpr->get_initializer() ) ); |
---|
[42a36d9] | 839 | output << "(" << genType( compLitExpr->get_result(), "", options ) << ")"; |
---|
[9857e8d] | 840 | compLitExpr->get_initializer()->accept( *visitor ); |
---|
[3c13c03] | 841 | } |
---|
| 842 | |
---|
[9857e8d] | 843 | void CodeGenerator::postvisit( UniqueExpr * unqExpr ) { |
---|
[42a36d9] | 844 | assertf( ! options.genC, "Unique expressions should not reach code generation." ); |
---|
[d104b02] | 845 | output << "unq<" << unqExpr->get_id() << ">{ "; |
---|
[9857e8d] | 846 | unqExpr->get_expr()->accept( *visitor ); |
---|
[d104b02] | 847 | output << " }"; |
---|
| 848 | } |
---|
| 849 | |
---|
[9857e8d] | 850 | void CodeGenerator::postvisit( StmtExpr * stmtExpr ) { |
---|
[44b4114] | 851 | std::list< Statement * > & stmts = stmtExpr->statements->kids; |
---|
[d22e90f] | 852 | output << "({" << endl; |
---|
[f7cb0bc] | 853 | ++indent; |
---|
[3c13c03] | 854 | unsigned int numStmts = stmts.size(); |
---|
| 855 | unsigned int i = 0; |
---|
| 856 | for ( Statement * stmt : stmts ) { |
---|
[058f549] | 857 | output << indent << printLabels( stmt->get_labels() ); |
---|
[3c13c03] | 858 | if ( i+1 == numStmts ) { |
---|
| 859 | // last statement in a statement expression needs to be handled specially - |
---|
| 860 | // cannot cast to void, otherwise the expression statement has no value |
---|
| 861 | if ( ExprStmt * exprStmt = dynamic_cast< ExprStmt * >( stmt ) ) { |
---|
[44b4114] | 862 | exprStmt->expr->accept( *visitor ); |
---|
[3c13c03] | 863 | output << ";" << endl; |
---|
| 864 | ++i; |
---|
| 865 | break; |
---|
| 866 | } |
---|
| 867 | } |
---|
[9857e8d] | 868 | stmt->accept( *visitor ); |
---|
[3c13c03] | 869 | output << endl; |
---|
| 870 | if ( wantSpacing( stmt ) ) { |
---|
| 871 | output << endl; |
---|
| 872 | } // if |
---|
| 873 | ++i; |
---|
| 874 | } |
---|
[f7cb0bc] | 875 | --indent; |
---|
[3c13c03] | 876 | output << indent << "})"; |
---|
[6eb8948] | 877 | } |
---|
| 878 | |
---|
[4e8949f] | 879 | void CodeGenerator::postvisit( ConstructorExpr * expr ) { |
---|
[42a36d9] | 880 | assertf( ! options.genC, "Unique expressions should not reach code generation." ); |
---|
[4e8949f] | 881 | expr->callExpr->accept( *visitor ); |
---|
| 882 | } |
---|
| 883 | |
---|
[44b4114] | 884 | void CodeGenerator::postvisit( DeletedExpr * expr ) { |
---|
[42a36d9] | 885 | assertf( ! options.genC, "Deleted expressions should not reach code generation." ); |
---|
[44b4114] | 886 | expr->expr->accept( *visitor ); |
---|
| 887 | } |
---|
| 888 | |
---|
[0f79853] | 889 | void CodeGenerator::postvisit( DefaultArgExpr * arg ) { |
---|
[42a36d9] | 890 | assertf( ! options.genC, "Default argument expressions should not reach code generation." ); |
---|
[0f79853] | 891 | arg->expr->accept( *visitor ); |
---|
| 892 | } |
---|
| 893 | |
---|
[d807ca28] | 894 | void CodeGenerator::postvisit( GenericExpr * expr ) { |
---|
[42a36d9] | 895 | assertf( ! options.genC, "C11 _Generic expressions should not reach code generation." ); |
---|
[d807ca28] | 896 | output << "_Generic("; |
---|
| 897 | expr->control->accept( *visitor ); |
---|
| 898 | output << ", "; |
---|
| 899 | unsigned int numAssocs = expr->associations.size(); |
---|
| 900 | unsigned int i = 0; |
---|
| 901 | for ( GenericExpr::Association & assoc : expr->associations ) { |
---|
| 902 | if (assoc.isDefault) { |
---|
| 903 | output << "default: "; |
---|
| 904 | } else { |
---|
[42a36d9] | 905 | output << genType( assoc.type, "", options ) << ": "; |
---|
[d807ca28] | 906 | } |
---|
| 907 | assoc.expr->accept( *visitor ); |
---|
| 908 | if ( i+1 != numAssocs ) { |
---|
| 909 | output << ", "; |
---|
| 910 | } |
---|
| 911 | i++; |
---|
| 912 | } |
---|
| 913 | output << ")"; |
---|
| 914 | } |
---|
| 915 | |
---|
[0bd46fd] | 916 | // QualifiedNameExpr should not reach to CodeGen. |
---|
[b0d9ff7] | 917 | // FixQualifiedName Convert QualifiedNameExpr to VariableExpr |
---|
| 918 | void CodeGenerator::postvisit( QualifiedNameExpr * expr ) { |
---|
| 919 | output << "/* label */" << mangleName(expr->var); |
---|
| 920 | } |
---|
[d807ca28] | 921 | |
---|
[4810867] | 922 | // *** Statements |
---|
[9857e8d] | 923 | void CodeGenerator::postvisit( CompoundStmt * compoundStmt ) { |
---|
[51587aa] | 924 | std::list<Statement*> ks = compoundStmt->get_kids(); |
---|
[2b6c1e0] | 925 | output << "{" << endl; |
---|
[51587aa] | 926 | |
---|
[f7cb0bc] | 927 | ++indent; |
---|
[51587aa] | 928 | |
---|
[7f5566b] | 929 | for ( std::list<Statement *>::iterator i = ks.begin(); i != ks.end(); i++ ) { |
---|
[cda48b6] | 930 | output << indent << printLabels( (*i)->get_labels() ); |
---|
[9857e8d] | 931 | (*i)->accept( *visitor ); |
---|
[2b6c1e0] | 932 | |
---|
[6c4ff37] | 933 | output << endl; |
---|
[2b6c1e0] | 934 | if ( wantSpacing( *i ) ) { |
---|
| 935 | output << endl; |
---|
[3778cb2] | 936 | } // if |
---|
[8688ce1] | 937 | } // for |
---|
[f7cb0bc] | 938 | --indent; |
---|
[51587aa] | 939 | |
---|
[cda48b6] | 940 | output << indent << "}"; |
---|
[51587aa] | 941 | } |
---|
| 942 | |
---|
[9857e8d] | 943 | void CodeGenerator::postvisit( ExprStmt * exprStmt ) { |
---|
[6c4ff37] | 944 | assert( exprStmt ); |
---|
[42a36d9] | 945 | if ( options.genC ) { |
---|
[262f085f] | 946 | // cast the top-level expression to void to reduce gcc warnings. |
---|
[8a6cf7e] | 947 | exprStmt->set_expr( new CastExpr( exprStmt->get_expr() ) ); |
---|
[262f085f] | 948 | } |
---|
[9857e8d] | 949 | exprStmt->get_expr()->accept( *visitor ); |
---|
[3eb1653] | 950 | output << ";"; |
---|
[51587aa] | 951 | } |
---|
| 952 | |
---|
[9857e8d] | 953 | void CodeGenerator::postvisit( AsmStmt * asmStmt ) { |
---|
[7f5566b] | 954 | output << "asm "; |
---|
| 955 | if ( asmStmt->get_voltile() ) output << "volatile "; |
---|
| 956 | if ( ! asmStmt->get_gotolabels().empty() ) output << "goto "; |
---|
| 957 | output << "( "; |
---|
[9857e8d] | 958 | if ( asmStmt->get_instruction() ) asmStmt->get_instruction()->accept( *visitor ); |
---|
[7f5566b] | 959 | output << " : "; |
---|
| 960 | genCommaList( asmStmt->get_output().begin(), asmStmt->get_output().end() ); |
---|
| 961 | output << " : "; |
---|
| 962 | genCommaList( asmStmt->get_input().begin(), asmStmt->get_input().end() ); |
---|
| 963 | output << " : "; |
---|
| 964 | genCommaList( asmStmt->get_clobber().begin(), asmStmt->get_clobber().end() ); |
---|
| 965 | if ( ! asmStmt->get_gotolabels().empty() ) { |
---|
| 966 | output << " : "; |
---|
| 967 | for ( std::list<Label>::iterator begin = asmStmt->get_gotolabels().begin();; ) { |
---|
| 968 | output << *begin++; |
---|
| 969 | if ( begin == asmStmt->get_gotolabels().end() ) break; |
---|
| 970 | output << ", "; |
---|
| 971 | } // for |
---|
| 972 | } // if |
---|
[d7312ac] | 973 | output << " );"; |
---|
[7f5566b] | 974 | } |
---|
| 975 | |
---|
[9857e8d] | 976 | void CodeGenerator::postvisit( AsmDecl * asmDecl ) { |
---|
[e994912] | 977 | output << "asm "; |
---|
| 978 | AsmStmt * asmStmt = asmDecl->get_stmt(); |
---|
| 979 | output << "( "; |
---|
[9857e8d] | 980 | if ( asmStmt->get_instruction() ) asmStmt->get_instruction()->accept( *visitor ); |
---|
[d7312ac] | 981 | output << " )"; |
---|
[e994912] | 982 | } |
---|
| 983 | |
---|
[2d019af] | 984 | void CodeGenerator::postvisit( DirectiveDecl * directiveDecl ) { |
---|
| 985 | output << endl << directiveDecl->get_stmt()->directive; // endl prevents spaces before directive |
---|
| 986 | } |
---|
| 987 | |
---|
[cc32d83] | 988 | void CodeGenerator::postvisit( DirectiveStmt * dirStmt ) { |
---|
[d7312ac] | 989 | output << endl << dirStmt->directive; // endl prevents spaces before directive |
---|
[cc32d83] | 990 | } |
---|
| 991 | |
---|
[9857e8d] | 992 | void CodeGenerator::postvisit( IfStmt * ifStmt ) { |
---|
[7f5566b] | 993 | output << "if ( "; |
---|
[9857e8d] | 994 | ifStmt->get_condition()->accept( *visitor ); |
---|
[7f5566b] | 995 | output << " ) "; |
---|
[51587aa] | 996 | |
---|
[3b0bc16] | 997 | ifStmt->get_then()->accept( *visitor ); |
---|
[51587aa] | 998 | |
---|
[3b0bc16] | 999 | if ( ifStmt->get_else() != 0) { |
---|
[2b6c1e0] | 1000 | output << " else "; |
---|
[3b0bc16] | 1001 | ifStmt->get_else()->accept( *visitor ); |
---|
[51587aa] | 1002 | } // if |
---|
| 1003 | } |
---|
| 1004 | |
---|
[9857e8d] | 1005 | void CodeGenerator::postvisit( SwitchStmt * switchStmt ) { |
---|
[d7312ac] | 1006 | output << "switch ( "; |
---|
[9857e8d] | 1007 | switchStmt->get_condition()->accept( *visitor ); |
---|
[7f5566b] | 1008 | output << " ) "; |
---|
[71f4e4f] | 1009 | |
---|
[d22e90f] | 1010 | output << "{" << endl; |
---|
[f7cb0bc] | 1011 | ++indent; |
---|
[9857e8d] | 1012 | acceptAll( switchStmt->get_statements(), *visitor ); |
---|
[f7cb0bc] | 1013 | --indent; |
---|
[cda48b6] | 1014 | output << indent << "}"; |
---|
[51587aa] | 1015 | } |
---|
| 1016 | |
---|
[9857e8d] | 1017 | void CodeGenerator::postvisit( CaseStmt * caseStmt ) { |
---|
[8bafacc] | 1018 | updateLocation( caseStmt ); |
---|
[1dcd9554] | 1019 | output << indent; |
---|
[eb3261f] | 1020 | if ( caseStmt->isDefault()) { |
---|
[2b6c1e0] | 1021 | output << "default"; |
---|
[eb3261f] | 1022 | } else { |
---|
[2b6c1e0] | 1023 | output << "case "; |
---|
[9857e8d] | 1024 | caseStmt->get_condition()->accept( *visitor ); |
---|
[17cd4eb] | 1025 | } // if |
---|
[d22e90f] | 1026 | output << ":" << endl; |
---|
[71f4e4f] | 1027 | |
---|
[51587aa] | 1028 | std::list<Statement *> sts = caseStmt->get_statements(); |
---|
| 1029 | |
---|
[f7cb0bc] | 1030 | ++indent; |
---|
[51587aa] | 1031 | for ( std::list<Statement *>::iterator i = sts.begin(); i != sts.end(); i++) { |
---|
[d7312ac] | 1032 | output << indent << printLabels( (*i)->get_labels() ) ; |
---|
[9857e8d] | 1033 | (*i)->accept( *visitor ); |
---|
[6c4ff37] | 1034 | output << endl; |
---|
[3778cb2] | 1035 | } // for |
---|
[f7cb0bc] | 1036 | --indent; |
---|
[51587aa] | 1037 | } |
---|
| 1038 | |
---|
[9857e8d] | 1039 | void CodeGenerator::postvisit( BranchStmt * branchStmt ) { |
---|
[51587aa] | 1040 | switch ( branchStmt->get_type()) { |
---|
| 1041 | case BranchStmt::Goto: |
---|
| 1042 | if ( ! branchStmt->get_target().empty() ) |
---|
[6c4ff37] | 1043 | output << "goto " << branchStmt->get_target(); |
---|
[71f4e4f] | 1044 | else { |
---|
[51587aa] | 1045 | if ( branchStmt->get_computedTarget() != 0 ) { |
---|
[6c4ff37] | 1046 | output << "goto *"; |
---|
[9857e8d] | 1047 | branchStmt->get_computedTarget()->accept( *visitor ); |
---|
[51587aa] | 1048 | } // if |
---|
| 1049 | } // if |
---|
| 1050 | break; |
---|
| 1051 | case BranchStmt::Break: |
---|
[6c4ff37] | 1052 | output << "break"; |
---|
[51587aa] | 1053 | break; |
---|
| 1054 | case BranchStmt::Continue: |
---|
[6c4ff37] | 1055 | output << "continue"; |
---|
[51587aa] | 1056 | break; |
---|
[7c2a7b6] | 1057 | case BranchStmt::FallThrough: |
---|
| 1058 | case BranchStmt::FallThroughDefault: |
---|
[42a36d9] | 1059 | assertf( ! options.genC, "fallthru should not reach code generation." ); |
---|
[60a8062] | 1060 | output << "fallthru"; |
---|
[7c2a7b6] | 1061 | break; |
---|
[6180274] | 1062 | default: ; // prevent warning |
---|
[3778cb2] | 1063 | } // switch |
---|
[7c2a7b6] | 1064 | // print branch target for labelled break/continue/fallthru in debug mode |
---|
[42a36d9] | 1065 | if ( ! options.genC && branchStmt->get_type() != BranchStmt::Goto ) { |
---|
[7c2a7b6] | 1066 | if ( ! branchStmt->get_target().empty() ) { |
---|
| 1067 | output << " " << branchStmt->get_target(); |
---|
| 1068 | } else if ( branchStmt->get_type() == BranchStmt::FallThrough ) { |
---|
| 1069 | output << " default"; |
---|
| 1070 | } |
---|
| 1071 | } |
---|
[2b6c1e0] | 1072 | output << ";"; |
---|
[51587aa] | 1073 | } |
---|
| 1074 | |
---|
[9857e8d] | 1075 | void CodeGenerator::postvisit( ReturnStmt * returnStmt ) { |
---|
[6c4ff37] | 1076 | output << "return "; |
---|
[9857e8d] | 1077 | maybeAccept( returnStmt->get_expr(), *visitor ); |
---|
[6c4ff37] | 1078 | output << ";"; |
---|
[51587aa] | 1079 | } |
---|
| 1080 | |
---|
[9857e8d] | 1081 | void CodeGenerator::postvisit( ThrowStmt * throwStmt ) { |
---|
[42a36d9] | 1082 | assertf( ! options.genC, "Throw statements should not reach code generation." ); |
---|
[daf1af8] | 1083 | |
---|
| 1084 | output << ((throwStmt->get_kind() == ThrowStmt::Terminate) ? |
---|
[60a8062] | 1085 | "throw" : "throwResume"); |
---|
[daf1af8] | 1086 | if (throwStmt->get_expr()) { |
---|
| 1087 | output << " "; |
---|
[9857e8d] | 1088 | throwStmt->get_expr()->accept( *visitor ); |
---|
[daf1af8] | 1089 | } |
---|
| 1090 | if (throwStmt->get_target()) { |
---|
| 1091 | output << " _At "; |
---|
[9857e8d] | 1092 | throwStmt->get_target()->accept( *visitor ); |
---|
[daf1af8] | 1093 | } |
---|
| 1094 | output << ";"; |
---|
| 1095 | } |
---|
[e4ea10b7] | 1096 | void CodeGenerator::postvisit( CatchStmt * stmt ) { |
---|
[42a36d9] | 1097 | assertf( ! options.genC, "Catch statements should not reach code generation." ); |
---|
[e4ea10b7] | 1098 | |
---|
| 1099 | output << ((stmt->get_kind() == CatchStmt::Terminate) ? |
---|
[60a8062] | 1100 | "catch" : "catchResume"); |
---|
[e4ea10b7] | 1101 | output << "( "; |
---|
| 1102 | stmt->decl->accept( *visitor ); |
---|
| 1103 | output << " ) "; |
---|
| 1104 | |
---|
| 1105 | if( stmt->cond ) { |
---|
| 1106 | output << "if/when(?) ("; |
---|
| 1107 | stmt->cond->accept( *visitor ); |
---|
| 1108 | output << ") "; |
---|
| 1109 | } |
---|
| 1110 | stmt->body->accept( *visitor ); |
---|
| 1111 | } |
---|
| 1112 | |
---|
| 1113 | void CodeGenerator::postvisit( WaitForStmt * stmt ) { |
---|
[42a36d9] | 1114 | assertf( ! options.genC, "Waitfor statements should not reach code generation." ); |
---|
[e4ea10b7] | 1115 | |
---|
| 1116 | bool first = true; |
---|
| 1117 | for( auto & clause : stmt->clauses ) { |
---|
| 1118 | if(first) { output << "or "; first = false; } |
---|
| 1119 | if( clause.condition ) { |
---|
| 1120 | output << "when("; |
---|
| 1121 | stmt->timeout.condition->accept( *visitor ); |
---|
| 1122 | output << ") "; |
---|
| 1123 | } |
---|
| 1124 | output << "waitfor("; |
---|
| 1125 | clause.target.function->accept( *visitor ); |
---|
| 1126 | for( Expression * expr : clause.target.arguments ) { |
---|
| 1127 | output << ","; |
---|
| 1128 | expr->accept( *visitor ); |
---|
| 1129 | } |
---|
| 1130 | output << ") "; |
---|
| 1131 | clause.statement->accept( *visitor ); |
---|
| 1132 | } |
---|
| 1133 | |
---|
| 1134 | if( stmt->timeout.statement ) { |
---|
| 1135 | output << "or "; |
---|
| 1136 | if( stmt->timeout.condition ) { |
---|
| 1137 | output << "when("; |
---|
| 1138 | stmt->timeout.condition->accept( *visitor ); |
---|
| 1139 | output << ") "; |
---|
| 1140 | } |
---|
| 1141 | output << "timeout("; |
---|
| 1142 | stmt->timeout.time->accept( *visitor ); |
---|
| 1143 | output << ") "; |
---|
| 1144 | stmt->timeout.statement->accept( *visitor ); |
---|
| 1145 | } |
---|
| 1146 | |
---|
| 1147 | if( stmt->orelse.statement ) { |
---|
| 1148 | output << "or "; |
---|
| 1149 | if( stmt->orelse.condition ) { |
---|
| 1150 | output << "when("; |
---|
| 1151 | stmt->orelse.condition->accept( *visitor ); |
---|
| 1152 | output << ")"; |
---|
| 1153 | } |
---|
| 1154 | output << "else "; |
---|
| 1155 | stmt->orelse.statement->accept( *visitor ); |
---|
| 1156 | } |
---|
| 1157 | } |
---|
| 1158 | |
---|
[55d6e8de] | 1159 | void CodeGenerator::postvisit( WithStmt * with ) { |
---|
[42a36d9] | 1160 | if ( ! options.genC ) { |
---|
[55d6e8de] | 1161 | output << "with ( "; |
---|
| 1162 | genCommaList( with->exprs.begin(), with->exprs.end() ); |
---|
| 1163 | output << " ) "; |
---|
| 1164 | } |
---|
| 1165 | with->stmt->accept( *visitor ); |
---|
| 1166 | } |
---|
[daf1af8] | 1167 | |
---|
[3b0bc16] | 1168 | void CodeGenerator::postvisit( WhileDoStmt * whileDoStmt ) { |
---|
| 1169 | if ( whileDoStmt->get_isDoWhile() ) { |
---|
[d7312ac] | 1170 | output << "do"; |
---|
[321a2481] | 1171 | } else { |
---|
[d7312ac] | 1172 | output << "while ("; |
---|
[3b0bc16] | 1173 | whileDoStmt->get_condition()->accept( *visitor ); |
---|
[6c4ff37] | 1174 | output << ")"; |
---|
[51587aa] | 1175 | } // if |
---|
[2b6c1e0] | 1176 | output << " "; |
---|
[51587aa] | 1177 | |
---|
[3b0bc16] | 1178 | output << CodeGenerator::printLabels( whileDoStmt->get_body()->get_labels() ); |
---|
| 1179 | whileDoStmt->get_body()->accept( *visitor ); |
---|
[51587aa] | 1180 | |
---|
[cda48b6] | 1181 | output << indent; |
---|
[51587aa] | 1182 | |
---|
[3b0bc16] | 1183 | if ( whileDoStmt->get_isDoWhile() ) { |
---|
[d7312ac] | 1184 | output << " while ("; |
---|
[3b0bc16] | 1185 | whileDoStmt->get_condition()->accept( *visitor ); |
---|
[6c4ff37] | 1186 | output << ");"; |
---|
[51587aa] | 1187 | } // if |
---|
| 1188 | } |
---|
| 1189 | |
---|
[9857e8d] | 1190 | void CodeGenerator::postvisit( ForStmt * forStmt ) { |
---|
[8e9cbb2] | 1191 | // initialization is always hoisted, so don't bother doing anything with that |
---|
[145f1fc] | 1192 | output << "for (;"; |
---|
[51587aa] | 1193 | |
---|
[321a2481] | 1194 | if ( forStmt->get_condition() != 0 ) { |
---|
[9857e8d] | 1195 | forStmt->get_condition()->accept( *visitor ); |
---|
[3778cb2] | 1196 | } // if |
---|
[6c4ff37] | 1197 | output << ";"; |
---|
[51587aa] | 1198 | |
---|
[321a2481] | 1199 | if ( forStmt->get_increment() != 0 ) { |
---|
| 1200 | // cast the top-level expression to void to reduce gcc warnings. |
---|
| 1201 | Expression * expr = new CastExpr( forStmt->get_increment() ); |
---|
[9857e8d] | 1202 | expr->accept( *visitor ); |
---|
[3778cb2] | 1203 | } // if |
---|
[2b6c1e0] | 1204 | output << ") "; |
---|
[51587aa] | 1205 | |
---|
| 1206 | if ( forStmt->get_body() != 0 ) { |
---|
[2b6c1e0] | 1207 | output << CodeGenerator::printLabels( forStmt->get_body()->get_labels() ); |
---|
[9857e8d] | 1208 | forStmt->get_body()->accept( *visitor ); |
---|
[51587aa] | 1209 | } // if |
---|
| 1210 | } |
---|
| 1211 | |
---|
[9857e8d] | 1212 | void CodeGenerator::postvisit( __attribute__((unused)) NullStmt * nullStmt ) { |
---|
[cda48b6] | 1213 | //output << indent << CodeGenerator::printLabels( nullStmt->get_labels() ); |
---|
[6c4ff37] | 1214 | output << "/* null statement */ ;"; |
---|
[51587aa] | 1215 | } |
---|
| 1216 | |
---|
[9857e8d] | 1217 | void CodeGenerator::postvisit( DeclStmt * declStmt ) { |
---|
| 1218 | declStmt->get_decl()->accept( *visitor ); |
---|
[71f4e4f] | 1219 | |
---|
[51587aa] | 1220 | if ( doSemicolon( declStmt->get_decl() ) ) { |
---|
[6c4ff37] | 1221 | output << ";"; |
---|
[51587aa] | 1222 | } // if |
---|
| 1223 | } |
---|
| 1224 | |
---|
[9857e8d] | 1225 | void CodeGenerator::postvisit( ImplicitCtorDtorStmt * stmt ) { |
---|
[42a36d9] | 1226 | assertf( ! options.genC, "ImplicitCtorDtorStmts should not reach code generation." ); |
---|
[9857e8d] | 1227 | stmt->callStmt->accept( *visitor ); |
---|
| 1228 | } |
---|
| 1229 | |
---|
[6cebfef] | 1230 | void CodeGenerator::postvisit( MutexStmt * stmt ) { |
---|
| 1231 | assertf( ! options.genC, "ImplicitCtorDtorStmts should not reach code generation." ); |
---|
| 1232 | stmt->stmt->accept( *visitor ); |
---|
| 1233 | } |
---|
| 1234 | |
---|
[dd020c0] | 1235 | void CodeGenerator::handleStorageClass( DeclarationWithType * decl ) { |
---|
[fb04321] | 1236 | if ( decl->get_storageClasses().any() ) { |
---|
[6e8bd43] | 1237 | decl->get_storageClasses().print( output ); |
---|
[a7c90d4] | 1238 | } // if |
---|
[dd020c0] | 1239 | } // CodeGenerator::handleStorageClass |
---|
[9facf3b] | 1240 | |
---|
| 1241 | std::string genName( DeclarationWithType * decl ) { |
---|
[60a8062] | 1242 | const OperatorInfo * opInfo = operatorLookup( decl->get_name() ); |
---|
| 1243 | if ( opInfo ) { |
---|
| 1244 | return opInfo->outputName; |
---|
[9facf3b] | 1245 | } else { |
---|
| 1246 | return decl->get_name(); |
---|
| 1247 | } // if |
---|
| 1248 | } |
---|
[1931bb01] | 1249 | |
---|
| 1250 | std::string genName( ast::DeclWithType const * decl ) { |
---|
| 1251 | if ( const OperatorInfo * opInfo = operatorLookup( decl->name ) ) { |
---|
| 1252 | return opInfo->outputName; |
---|
| 1253 | } else { |
---|
| 1254 | return decl->name; |
---|
| 1255 | } |
---|
| 1256 | } |
---|
| 1257 | |
---|
[51b7345] | 1258 | } // namespace CodeGen |
---|
[51587aa] | 1259 | |
---|
| 1260 | // Local Variables: // |
---|
| 1261 | // tab-width: 4 // |
---|
| 1262 | // mode: c++ // |
---|
| 1263 | // compile-command: "make install" // |
---|
| 1264 | // End: // |
---|