[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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[de8d7fb1] | 11 | // Last Modified By : Peter A. Buhr |
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[07de76b] | 12 | // Last Modified On : Fri Dec 13 23:13:28 2019 |
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| 13 | // Update Count : 508 |
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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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[bf2438c] | 20 | #include "Common/UniqueName.h" // for UniqueName |
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| 21 | #include "Common/utility.h" // for CodeLocation, toString |
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| 22 | #include "GenType.h" // for genType |
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| 23 | #include "InitTweak/InitTweak.h" // for getPointerBase |
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| 24 | #include "OperatorTable.h" // for OperatorInfo, operatorLookup |
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[07de76b] | 25 | #include "SynTree/LinkageSpec.h" // for Spec, Intrinsic |
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[bf2438c] | 26 | #include "SynTree/Attribute.h" // for Attribute |
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| 27 | #include "SynTree/BaseSyntaxNode.h" // for BaseSyntaxNode |
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| 28 | #include "SynTree/Constant.h" // for Constant |
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| 29 | #include "SynTree/Declaration.h" // for DeclarationWithType, TypeDecl |
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| 30 | #include "SynTree/Expression.h" // for Expression, UntypedExpr, Applica... |
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| 31 | #include "SynTree/Initializer.h" // for Initializer, ListInit, Designation |
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| 32 | #include "SynTree/Label.h" // for Label, operator<< |
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| 33 | #include "SynTree/Statement.h" // for Statement, AsmStmt, BranchStmt |
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| 34 | #include "SynTree/Type.h" // for Type, Type::StorageClasses, Func... |
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[10a7775] | 35 | |
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[51b7345] | 36 | using namespace std; |
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| 37 | |
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| 38 | namespace CodeGen { |
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[6c4ff37] | 39 | int CodeGenerator::tabsize = 4; |
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[51587aa] | 40 | |
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[145f1fc] | 41 | // the kinds of statements that would ideally be followed by whitespace |
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[2b6c1e0] | 42 | bool wantSpacing( Statement * stmt) { |
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| 43 | return dynamic_cast< IfStmt * >( stmt ) || dynamic_cast< CompoundStmt * >( stmt ) || |
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[08061589] | 44 | dynamic_cast< WhileStmt * >( stmt ) || dynamic_cast< ForStmt * >( stmt ) || dynamic_cast< SwitchStmt *>( stmt ); |
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[2b6c1e0] | 45 | } |
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| 46 | |
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[8688ce1] | 47 | void CodeGenerator::extension( Expression * expr ) { |
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[8e9cbb2] | 48 | if ( expr->get_extension() ) { |
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| 49 | output << "__extension__ "; |
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| 50 | } // if |
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| 51 | } // extension |
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| 52 | |
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[8688ce1] | 53 | void CodeGenerator::extension( Declaration * decl ) { |
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[8e9cbb2] | 54 | if ( decl->get_extension() ) { |
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| 55 | output << "__extension__ "; |
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| 56 | } // if |
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| 57 | } // extension |
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| 58 | |
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[58dd019] | 59 | void CodeGenerator::asmName( DeclarationWithType * decl ) { |
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[e612146c] | 60 | if ( ConstantExpr * asmName = dynamic_cast<ConstantExpr *>(decl->get_asmName()) ) { |
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[58dd019] | 61 | output << " asm ( " << asmName->get_constant()->get_value() << " )"; |
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| 62 | } // if |
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| 63 | } // extension |
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| 64 | |
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[888cbe4] | 65 | CodeGenerator::LabelPrinter & CodeGenerator::LabelPrinter::operator()( std::list< Label > & l ) { |
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| 66 | labels = &l; |
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| 67 | return *this; |
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| 68 | } |
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| 69 | |
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[8688ce1] | 70 | ostream & operator<<( ostream & output, CodeGenerator::LabelPrinter & printLabels ) { |
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[888cbe4] | 71 | std::list< Label > & labs = *printLabels.labels; |
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| 72 | // l.unique(); // assumes a sorted list. Why not use set? Does order matter? |
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| 73 | for ( Label & l : labs ) { |
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| 74 | output << l.get_name() + ": "; |
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| 75 | printLabels.cg.genAttributes( l.get_attributes() ); |
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[8688ce1] | 76 | } // for |
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[888cbe4] | 77 | return output; |
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| 78 | } |
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| 79 | |
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[d22e90f] | 80 | /* Using updateLocation at the beginning of a node and endl |
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[8bafacc] | 81 | * within a node should become the method of formating. |
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| 82 | */ |
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| 83 | void CodeGenerator::updateLocation( CodeLocation const & to ) { |
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[d22e90f] | 84 | // skip if linemarks shouldn't appear or if codelocation is unset |
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[42a36d9] | 85 | if ( !options.lineMarks || to.isUnset() ) return; |
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[d22e90f] | 86 | |
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| 87 | if ( currentLocation.followedBy( to, 0 ) ) { |
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[8bafacc] | 88 | return; |
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| 89 | } else if ( currentLocation.followedBy( to, 1 ) ) { |
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| 90 | output << "\n" << indent; |
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[d48e529] | 91 | currentLocation.first_line += 1; |
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[8bafacc] | 92 | } else if ( currentLocation.followedBy( to, 2 ) ) { |
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| 93 | output << "\n\n" << indent; |
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[d48e529] | 94 | currentLocation.first_line += 2; |
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[8bafacc] | 95 | } else { |
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[d48e529] | 96 | output << "\n# " << to.first_line << " \"" << to.filename |
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[8bafacc] | 97 | << "\"\n" << indent; |
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| 98 | currentLocation = to; |
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| 99 | } |
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| 100 | output << std::flush; |
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| 101 | } |
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[c850687] | 102 | |
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[8bafacc] | 103 | void CodeGenerator::updateLocation( BaseSyntaxNode const * to ) { |
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| 104 | updateLocation( to->location ); |
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[c850687] | 105 | } |
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| 106 | |
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[d22e90f] | 107 | // replace endl |
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| 108 | ostream & CodeGenerator::LineEnder::operator()( ostream & os ) const { |
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| 109 | // if ( !cg.lineMarks ) { |
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| 110 | // os << "\n" << cg.indent << std::flush; |
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| 111 | // } |
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| 112 | os << "\n" << std::flush; |
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| 113 | cg.currentLocation.first_line++; |
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| 114 | // os << "/* did endl; current loc is: " << cg.currentLocation.first_line << "*/"; |
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| 115 | return os; |
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[c850687] | 116 | } |
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| 117 | |
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[4e5e6cc] | 118 | 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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| 119 | 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] | 120 | |
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[486341f] | 121 | string CodeGenerator::mangleName( DeclarationWithType * decl ) { |
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[13073be] | 122 | // GCC builtins should always be printed unmangled |
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[42a36d9] | 123 | if ( options.pretty || decl->linkage.is_gcc_builtin ) return decl->name; |
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[13073be] | 124 | if ( decl->mangleName != "" ) { |
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[f326f99] | 125 | // need to incorporate scope level in order to differentiate names for destructors |
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| 126 | return decl->get_scopedMangleName(); |
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[51587aa] | 127 | } else { |
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[13073be] | 128 | return decl->name; |
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[51587aa] | 129 | } // if |
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| 130 | } |
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[94b4364] | 131 | |
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[44a81853] | 132 | void CodeGenerator::genAttributes( list< Attribute * > & attributes ) { |
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| 133 | if ( attributes.empty() ) return; |
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| 134 | output << "__attribute__ (("; |
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| 135 | for ( list< Attribute * >::iterator attr( attributes.begin() );; ) { |
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[85b2300] | 136 | output << (*attr)->name; |
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| 137 | if ( ! (*attr)->parameters.empty() ) { |
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[44a81853] | 138 | output << "("; |
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[85b2300] | 139 | genCommaList( (*attr)->parameters.begin(), (*attr)->parameters.end() ); |
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[44a81853] | 140 | output << ")"; |
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| 141 | } // if |
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| 142 | if ( ++attr == attributes.end() ) break; |
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| 143 | output << ","; // separator |
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| 144 | } // for |
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| 145 | output << ")) "; |
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| 146 | } // CodeGenerator::genAttributes |
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[7baed7d] | 147 | |
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[9857e8d] | 148 | // *** BaseSyntaxNode |
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[d22e90f] | 149 | void CodeGenerator::previsit( BaseSyntaxNode * node ) { |
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[9857e8d] | 150 | // turn off automatic recursion for all nodes, to allow each visitor to |
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| 151 | // precisely control the order in which its children are visited. |
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| 152 | visit_children = false; |
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[d22e90f] | 153 | updateLocation( node ); |
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[9857e8d] | 154 | } |
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| 155 | |
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| 156 | // *** BaseSyntaxNode |
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| 157 | void CodeGenerator::postvisit( BaseSyntaxNode * node ) { |
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| 158 | std::stringstream ss; |
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| 159 | node->print( ss ); |
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| 160 | assertf( false, "Unhandled node reached in CodeGenerator: %s", ss.str().c_str() ); |
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| 161 | } |
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[7baed7d] | 162 | |
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[5f08961d] | 163 | // *** Expression |
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| 164 | void CodeGenerator::previsit( Expression * node ) { |
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| 165 | previsit( (BaseSyntaxNode *)node ); |
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| 166 | GuardAction( [this, node](){ |
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[42a36d9] | 167 | if ( options.printExprTypes && node->result ) { |
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| 168 | output << " /* " << genType( node->result, "", options ) << " */ "; |
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[5f08961d] | 169 | } |
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| 170 | } ); |
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| 171 | } |
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| 172 | |
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[4810867] | 173 | // *** Declarations |
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[9857e8d] | 174 | void CodeGenerator::postvisit( FunctionDecl * functionDecl ) { |
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[3ed994e] | 175 | // deleted decls should never be used, so don't print them |
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[42a36d9] | 176 | if ( functionDecl->isDeleted && options.genC ) return; |
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[8e9cbb2] | 177 | extension( functionDecl ); |
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[7baed7d] | 178 | genAttributes( functionDecl->get_attributes() ); |
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| 179 | |
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[51587aa] | 180 | handleStorageClass( functionDecl ); |
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[6e8bd43] | 181 | functionDecl->get_funcSpec().print( output ); |
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[dd020c0] | 182 | |
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[da09ba1] | 183 | Options subOptions = options; |
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[76f7fc7] | 184 | subOptions.anonymousUnused = functionDecl->has_body(); |
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[da09ba1] | 185 | output << genType( functionDecl->get_functionType(), mangleName( functionDecl ), subOptions ); |
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[51587aa] | 186 | |
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[58dd019] | 187 | asmName( functionDecl ); |
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| 188 | |
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[51587aa] | 189 | if ( functionDecl->get_statements() ) { |
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[9857e8d] | 190 | functionDecl->get_statements()->accept( *visitor ); |
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[51587aa] | 191 | } // if |
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[3ed994e] | 192 | if ( functionDecl->isDeleted ) { |
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| 193 | output << " = void"; |
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| 194 | } |
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[51587aa] | 195 | } |
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| 196 | |
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[9857e8d] | 197 | void CodeGenerator::postvisit( ObjectDecl * objectDecl ) { |
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[3ed994e] | 198 | // deleted decls should never be used, so don't print them |
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[42a36d9] | 199 | if ( objectDecl->isDeleted && options.genC ) return; |
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[de8d7fb1] | 200 | |
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| 201 | // 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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| 202 | // point 4, page 113: If the (bit field) value is zero, the declaration shall have no declarator. For anything |
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| 203 | // else, the anonymous name refers to the anonymous object for plan9 inheritance. |
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| 204 | if ( objectDecl->get_name().empty() && options.genC && ! objectDecl->get_bitfieldWidth() ) { |
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[e39241b] | 205 | // only generate an anonymous name when generating C code, otherwise it clutters the output too much |
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[d9c8a59] | 206 | static UniqueName name = { "__anonymous_object" }; |
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| 207 | objectDecl->set_name( name.newName() ); |
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[de8d7fb1] | 208 | // Stops unused parameter warnings. |
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| 209 | if ( options.anonymousUnused ) { |
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| 210 | objectDecl->attributes.push_back( new Attribute( "unused" ) ); |
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| 211 | } |
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[d9c8a59] | 212 | } |
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| 213 | |
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[8e9cbb2] | 214 | extension( objectDecl ); |
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[f9cebb5] | 215 | genAttributes( objectDecl->get_attributes() ); |
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| 216 | |
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[51587aa] | 217 | handleStorageClass( objectDecl ); |
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[42a36d9] | 218 | output << genType( objectDecl->get_type(), mangleName( objectDecl ), options.pretty, options.genC ); |
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[71f4e4f] | 219 | |
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[58dd019] | 220 | asmName( objectDecl ); |
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| 221 | |
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[51587aa] | 222 | if ( objectDecl->get_init() ) { |
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[6c4ff37] | 223 | output << " = "; |
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[9857e8d] | 224 | objectDecl->get_init()->accept( *visitor ); |
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[51587aa] | 225 | } // if |
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[3ed994e] | 226 | if ( objectDecl->isDeleted ) { |
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| 227 | output << " = void"; |
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| 228 | } |
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[3778cb2] | 229 | |
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[51587aa] | 230 | if ( objectDecl->get_bitfieldWidth() ) { |
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[6c4ff37] | 231 | output << ":"; |
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[9857e8d] | 232 | objectDecl->get_bitfieldWidth()->accept( *visitor ); |
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[51587aa] | 233 | } // if |
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| 234 | } |
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| 235 | |
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[5f642e38] | 236 | void CodeGenerator::handleAggregate( AggregateDecl * aggDecl, const std::string & kind ) { |
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[42a36d9] | 237 | if( ! aggDecl->parameters.empty() && ! options.genC ) { |
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[e39241b] | 238 | // assertf( ! genC, "Aggregate type parameters should not reach code generation." ); |
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| 239 | output << "forall("; |
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[0b3b2ae] | 240 | genCommaList( aggDecl->parameters.begin(), aggDecl->parameters.end() ); |
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[e39241b] | 241 | output << ")" << endl; |
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[e6cee92] | 242 | output << indent; |
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[e39241b] | 243 | } |
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| 244 | |
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[593370c] | 245 | output << kind; |
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[0b3b2ae] | 246 | genAttributes( aggDecl->attributes ); |
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| 247 | output << aggDecl->name; |
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[71f4e4f] | 248 | |
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[2c57025] | 249 | if ( aggDecl->has_body() ) { |
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[0b3b2ae] | 250 | std::list< Declaration * > & memb = aggDecl->members; |
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[94b4364] | 251 | output << " {" << endl; |
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[51587aa] | 252 | |
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[f7cb0bc] | 253 | ++indent; |
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[3778cb2] | 254 | for ( std::list< Declaration* >::iterator i = memb.begin(); i != memb.end(); i++ ) { |
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[87e08e24] | 255 | output << indent; |
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[9857e8d] | 256 | (*i)->accept( *visitor ); |
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[6c4ff37] | 257 | output << ";" << endl; |
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[3778cb2] | 258 | } // for |
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[51587aa] | 259 | |
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[f7cb0bc] | 260 | --indent; |
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[51587aa] | 261 | |
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[cda48b6] | 262 | output << indent << "}"; |
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[17cd4eb] | 263 | } // if |
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[51587aa] | 264 | } |
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[17cd4eb] | 265 | |
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[9857e8d] | 266 | void CodeGenerator::postvisit( StructDecl * structDecl ) { |
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[8e9cbb2] | 267 | extension( structDecl ); |
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[5f642e38] | 268 | handleAggregate( structDecl, "struct " ); |
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[51587aa] | 269 | } |
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[17cd4eb] | 270 | |
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[9857e8d] | 271 | void CodeGenerator::postvisit( UnionDecl * unionDecl ) { |
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[8e9cbb2] | 272 | extension( unionDecl ); |
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[5f642e38] | 273 | handleAggregate( unionDecl, "union " ); |
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[51587aa] | 274 | } |
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[71f4e4f] | 275 | |
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[9857e8d] | 276 | void CodeGenerator::postvisit( EnumDecl * enumDecl ) { |
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[8e9cbb2] | 277 | extension( enumDecl ); |
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[6c4ff37] | 278 | output << "enum "; |
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[c0aa336] | 279 | genAttributes( enumDecl->get_attributes() ); |
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[51587aa] | 280 | |
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[a984e65] | 281 | output << enumDecl->get_name(); |
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[71f4e4f] | 282 | |
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[8e9cbb2] | 283 | std::list< Declaration* > &memb = enumDecl->get_members(); |
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[51587aa] | 284 | |
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| 285 | if ( ! memb.empty() ) { |
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[cda48b6] | 286 | output << " {" << endl; |
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[51587aa] | 287 | |
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[f7cb0bc] | 288 | ++indent; |
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[51587aa] | 289 | for ( std::list< Declaration* >::iterator i = memb.begin(); i != memb.end(); i++) { |
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[8688ce1] | 290 | ObjectDecl * obj = dynamic_cast< ObjectDecl* >( *i ); |
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[51587aa] | 291 | assert( obj ); |
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[87e08e24] | 292 | output << indent << mangleName( obj ); |
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[51587aa] | 293 | if ( obj->get_init() ) { |
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[6c4ff37] | 294 | output << " = "; |
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[9857e8d] | 295 | obj->get_init()->accept( *visitor ); |
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[51587aa] | 296 | } // if |
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[6c4ff37] | 297 | output << "," << endl; |
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[51587aa] | 298 | } // for |
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| 299 | |
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[f7cb0bc] | 300 | --indent; |
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[51587aa] | 301 | |
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[cda48b6] | 302 | output << indent << "}"; |
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[51587aa] | 303 | } // if |
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| 304 | } |
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[71f4e4f] | 305 | |
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[9857e8d] | 306 | void CodeGenerator::postvisit( TraitDecl * traitDecl ) { |
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[42a36d9] | 307 | assertf( ! options.genC, "TraitDecls should not reach code generation." ); |
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[a984e65] | 308 | extension( traitDecl ); |
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| 309 | handleAggregate( traitDecl, "trait " ); |
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| 310 | } |
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[71f4e4f] | 311 | |
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[9857e8d] | 312 | void CodeGenerator::postvisit( TypedefDecl * typeDecl ) { |
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[42a36d9] | 313 | assertf( ! options.genC, "Typedefs are removed and substituted in earlier passes." ); |
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[e39241b] | 314 | output << "typedef "; |
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[42a36d9] | 315 | output << genType( typeDecl->get_base(), typeDecl->get_name(), options ) << endl; |
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[51587aa] | 316 | } |
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[71f4e4f] | 317 | |
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[9857e8d] | 318 | void CodeGenerator::postvisit( TypeDecl * typeDecl ) { |
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[42a36d9] | 319 | assertf( ! options.genC, "TypeDecls should not reach code generation." ); |
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[ab4bff5] | 320 | output << typeDecl->genTypeString() << " " << typeDecl->name; |
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[f0ecf9b] | 321 | if ( typeDecl->sized ) { |
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[ab4bff5] | 322 | output << " | sized(" << typeDecl->name << ")"; |
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[a0c7dc36] | 323 | } |
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[ab4bff5] | 324 | if ( ! typeDecl->assertions.empty() ) { |
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[a0c7dc36] | 325 | output << " | { "; |
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[ab4bff5] | 326 | for ( DeclarationWithType * assert : typeDecl->assertions ) { |
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| 327 | assert->accept( *visitor ); |
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| 328 | output << "; "; |
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| 329 | } |
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[a0c7dc36] | 330 | output << " }"; |
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[e39241b] | 331 | } |
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[51587aa] | 332 | } |
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| 333 | |
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[92fea32] | 334 | void CodeGenerator::postvisit( StaticAssertDecl * assertDecl ) { |
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| 335 | output << "_Static_assert("; |
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| 336 | assertDecl->condition->accept( *visitor ); |
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| 337 | output << ", "; |
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| 338 | assertDecl->message->accept( *visitor ); |
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| 339 | output << ")"; |
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| 340 | } |
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| 341 | |
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[9857e8d] | 342 | void CodeGenerator::postvisit( Designation * designation ) { |
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[e4d829b] | 343 | std::list< Expression * > designators = designation->get_designators(); |
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[e45215c] | 344 | if ( designators.size() == 0 ) return; |
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[e4d829b] | 345 | for ( Expression * des : designators ) { |
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[62423350] | 346 | if ( dynamic_cast< NameExpr * >( des ) || dynamic_cast< VariableExpr * >( des ) ) { |
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| 347 | // if expression is a NameExpr or VariableExpr, then initializing aggregate member |
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| 348 | output << "."; |
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[9857e8d] | 349 | des->accept( *visitor ); |
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[e4d829b] | 350 | } else { |
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[62423350] | 351 | // otherwise, it has to be a ConstantExpr or CastExpr, initializing array eleemnt |
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| 352 | output << "["; |
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[9857e8d] | 353 | des->accept( *visitor ); |
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[62423350] | 354 | output << "]"; |
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[3778cb2] | 355 | } // if |
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| 356 | } // for |
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[e45215c] | 357 | output << " = "; |
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| 358 | } |
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| 359 | |
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[9857e8d] | 360 | void CodeGenerator::postvisit( SingleInit * init ) { |
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| 361 | init->get_value()->accept( *visitor ); |
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[51587aa] | 362 | } |
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| 363 | |
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[9857e8d] | 364 | void CodeGenerator::postvisit( ListInit * init ) { |
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[e4d829b] | 365 | auto initBegin = init->begin(); |
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| 366 | auto initEnd = init->end(); |
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| 367 | auto desigBegin = init->get_designations().begin(); |
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| 368 | auto desigEnd = init->get_designations().end(); |
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| 369 | |
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[6c4ff37] | 370 | output << "{ "; |
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[e4d829b] | 371 | for ( ; initBegin != initEnd && desigBegin != desigEnd; ) { |
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[9857e8d] | 372 | (*desigBegin)->accept( *visitor ); |
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| 373 | (*initBegin)->accept( *visitor ); |
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[e4d829b] | 374 | ++initBegin, ++desigBegin; |
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| 375 | if ( initBegin != initEnd ) { |
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| 376 | output << ", "; |
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| 377 | } |
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| 378 | } |
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[6c4ff37] | 379 | output << " }"; |
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[e4d829b] | 380 | assertf( initBegin == initEnd && desigBegin == desigEnd, "Initializers and designators not the same length. %s", toString( init ).c_str() ); |
---|
[51587aa] | 381 | } |
---|
| 382 | |
---|
[d22e90f] | 383 | void CodeGenerator::postvisit( ConstructorInit * init ){ |
---|
[42a36d9] | 384 | assertf( ! options.genC, "ConstructorInit nodes should not reach code generation." ); |
---|
[e6cee92] | 385 | // pseudo-output for constructor/destructor pairs |
---|
[d22e90f] | 386 | output << "<ctorinit>{" << endl << ++indent << "ctor: "; |
---|
[9857e8d] | 387 | maybeAccept( init->get_ctor(), *visitor ); |
---|
[d22e90f] | 388 | output << ", " << endl << indent << "dtor: "; |
---|
[9857e8d] | 389 | maybeAccept( init->get_dtor(), *visitor ); |
---|
[d22e90f] | 390 | output << endl << --indent << "}"; |
---|
[fc638d2] | 391 | } |
---|
| 392 | |
---|
[9857e8d] | 393 | void CodeGenerator::postvisit( Constant * constant ) { |
---|
[d7312ac] | 394 | output << constant->get_value(); |
---|
[51587aa] | 395 | } |
---|
| 396 | |
---|
[4810867] | 397 | // *** Expressions |
---|
[9857e8d] | 398 | void CodeGenerator::postvisit( ApplicationExpr * applicationExpr ) { |
---|
[e04ef3a] | 399 | extension( applicationExpr ); |
---|
[8688ce1] | 400 | if ( VariableExpr * varExpr = dynamic_cast< VariableExpr* >( applicationExpr->get_function() ) ) { |
---|
[51587aa] | 401 | OperatorInfo opInfo; |
---|
| 402 | if ( varExpr->get_var()->get_linkage() == LinkageSpec::Intrinsic && operatorLookup( varExpr->get_var()->get_name(), opInfo ) ) { |
---|
| 403 | std::list< Expression* >::iterator arg = applicationExpr->get_args().begin(); |
---|
| 404 | switch ( opInfo.type ) { |
---|
| 405 | case OT_INDEX: |
---|
| 406 | assert( applicationExpr->get_args().size() == 2 ); |
---|
[9857e8d] | 407 | (*arg++)->accept( *visitor ); |
---|
[6c4ff37] | 408 | output << "["; |
---|
[9857e8d] | 409 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 410 | output << "]"; |
---|
[51587aa] | 411 | break; |
---|
[71f4e4f] | 412 | |
---|
[51587aa] | 413 | case OT_CALL: |
---|
[356189a] | 414 | // there are no intrinsic definitions of the function call operator |
---|
[51587aa] | 415 | assert( false ); |
---|
| 416 | break; |
---|
[71f4e4f] | 417 | |
---|
[f1e012b] | 418 | case OT_CTOR: |
---|
[c2ce2350] | 419 | case OT_DTOR: |
---|
[356189a] | 420 | if ( applicationExpr->get_args().size() == 1 ) { |
---|
[8e9cbb2] | 421 | // the expression fed into a single parameter constructor or destructor may contain side |
---|
| 422 | // effects, so must still output this expression |
---|
[64071c2] | 423 | output << "("; |
---|
[9857e8d] | 424 | (*arg++)->accept( *visitor ); |
---|
[64071c2] | 425 | output << ") /* " << opInfo.inputName << " */"; |
---|
[356189a] | 426 | } else if ( applicationExpr->get_args().size() == 2 ) { |
---|
[c2ce2350] | 427 | // intrinsic two parameter constructors are essentially bitwise assignment |
---|
[356189a] | 428 | output << "("; |
---|
[9857e8d] | 429 | (*arg++)->accept( *visitor ); |
---|
[356189a] | 430 | output << opInfo.symbol; |
---|
[9857e8d] | 431 | (*arg)->accept( *visitor ); |
---|
[c2ce2350] | 432 | output << ") /* " << opInfo.inputName << " */"; |
---|
[356189a] | 433 | } else { |
---|
[c2ce2350] | 434 | // no constructors with 0 or more than 2 parameters |
---|
[356189a] | 435 | assert( false ); |
---|
[8688ce1] | 436 | } // if |
---|
[356189a] | 437 | break; |
---|
[f1e012b] | 438 | |
---|
[51587aa] | 439 | case OT_PREFIX: |
---|
| 440 | case OT_PREFIXASSIGN: |
---|
| 441 | assert( applicationExpr->get_args().size() == 1 ); |
---|
[6c4ff37] | 442 | output << "("; |
---|
| 443 | output << opInfo.symbol; |
---|
[9857e8d] | 444 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 445 | output << ")"; |
---|
[51587aa] | 446 | break; |
---|
[71f4e4f] | 447 | |
---|
[51587aa] | 448 | case OT_POSTFIX: |
---|
| 449 | case OT_POSTFIXASSIGN: |
---|
| 450 | assert( applicationExpr->get_args().size() == 1 ); |
---|
[9857e8d] | 451 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 452 | output << opInfo.symbol; |
---|
[51587aa] | 453 | break; |
---|
| 454 | |
---|
[f1e012b] | 455 | |
---|
[51587aa] | 456 | case OT_INFIX: |
---|
| 457 | case OT_INFIXASSIGN: |
---|
| 458 | assert( applicationExpr->get_args().size() == 2 ); |
---|
[6c4ff37] | 459 | output << "("; |
---|
[9857e8d] | 460 | (*arg++)->accept( *visitor ); |
---|
[6c4ff37] | 461 | output << opInfo.symbol; |
---|
[9857e8d] | 462 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 463 | output << ")"; |
---|
[51587aa] | 464 | break; |
---|
[71f4e4f] | 465 | |
---|
[51587aa] | 466 | case OT_CONSTANT: |
---|
[721f17a] | 467 | case OT_LABELADDRESS: |
---|
| 468 | // there are no intrinsic definitions of 0/1 or label addresses as functions |
---|
[51587aa] | 469 | assert( false ); |
---|
[3778cb2] | 470 | } // switch |
---|
[17cd4eb] | 471 | } else { |
---|
[9857e8d] | 472 | varExpr->accept( *visitor ); |
---|
[6c4ff37] | 473 | output << "("; |
---|
[51587aa] | 474 | genCommaList( applicationExpr->get_args().begin(), applicationExpr->get_args().end() ); |
---|
[6c4ff37] | 475 | output << ")"; |
---|
[17cd4eb] | 476 | } // if |
---|
[51587aa] | 477 | } else { |
---|
[9857e8d] | 478 | applicationExpr->get_function()->accept( *visitor ); |
---|
[6c4ff37] | 479 | output << "("; |
---|
[51587aa] | 480 | genCommaList( applicationExpr->get_args().begin(), applicationExpr->get_args().end() ); |
---|
[6c4ff37] | 481 | output << ")"; |
---|
[51587aa] | 482 | } // if |
---|
| 483 | } |
---|
[71f4e4f] | 484 | |
---|
[9857e8d] | 485 | void CodeGenerator::postvisit( UntypedExpr * untypedExpr ) { |
---|
[e04ef3a] | 486 | extension( untypedExpr ); |
---|
[22bc276] | 487 | if ( NameExpr * nameExpr = dynamic_cast< NameExpr* >( untypedExpr->function ) ) { |
---|
[51587aa] | 488 | OperatorInfo opInfo; |
---|
[22bc276] | 489 | if ( operatorLookup( nameExpr->name, opInfo ) ) { |
---|
| 490 | std::list< Expression* >::iterator arg = untypedExpr->args.begin(); |
---|
[51587aa] | 491 | switch ( opInfo.type ) { |
---|
| 492 | case OT_INDEX: |
---|
[22bc276] | 493 | assert( untypedExpr->args.size() == 2 ); |
---|
[9857e8d] | 494 | (*arg++)->accept( *visitor ); |
---|
[6c4ff37] | 495 | output << "["; |
---|
[9857e8d] | 496 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 497 | output << "]"; |
---|
[51587aa] | 498 | break; |
---|
[71f4e4f] | 499 | |
---|
[51587aa] | 500 | case OT_CALL: |
---|
[f1e012b] | 501 | assert( false ); |
---|
| 502 | |
---|
[c2ce2350] | 503 | case OT_CTOR: |
---|
| 504 | case OT_DTOR: |
---|
[22bc276] | 505 | if ( untypedExpr->args.size() == 1 ) { |
---|
[8e9cbb2] | 506 | // the expression fed into a single parameter constructor or destructor may contain side |
---|
| 507 | // effects, so must still output this expression |
---|
[64071c2] | 508 | output << "("; |
---|
[9857e8d] | 509 | (*arg++)->accept( *visitor ); |
---|
[64071c2] | 510 | output << ") /* " << opInfo.inputName << " */"; |
---|
[c2ce2350] | 511 | } else if ( untypedExpr->get_args().size() == 2 ) { |
---|
| 512 | // intrinsic two parameter constructors are essentially bitwise assignment |
---|
| 513 | output << "("; |
---|
[9857e8d] | 514 | (*arg++)->accept( *visitor ); |
---|
[c2ce2350] | 515 | output << opInfo.symbol; |
---|
[9857e8d] | 516 | (*arg)->accept( *visitor ); |
---|
[c2ce2350] | 517 | output << ") /* " << opInfo.inputName << " */"; |
---|
| 518 | } else { |
---|
| 519 | // no constructors with 0 or more than 2 parameters |
---|
[42a36d9] | 520 | assertf( ! options.genC, "UntypedExpr constructor/destructor with 0 or more than 2 parameters." ); |
---|
[4e8949f] | 521 | output << "("; |
---|
| 522 | (*arg++)->accept( *visitor ); |
---|
| 523 | output << opInfo.symbol << "{ "; |
---|
[22bc276] | 524 | genCommaList( arg, untypedExpr->args.end() ); |
---|
[4e8949f] | 525 | output << "}) /* " << opInfo.inputName << " */"; |
---|
[3778cb2] | 526 | } // if |
---|
[51587aa] | 527 | break; |
---|
[71f4e4f] | 528 | |
---|
[51587aa] | 529 | case OT_PREFIX: |
---|
| 530 | case OT_PREFIXASSIGN: |
---|
[de62360d] | 531 | case OT_LABELADDRESS: |
---|
[22bc276] | 532 | assert( untypedExpr->args.size() == 1 ); |
---|
[6c4ff37] | 533 | output << "("; |
---|
| 534 | output << opInfo.symbol; |
---|
[9857e8d] | 535 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 536 | output << ")"; |
---|
[51587aa] | 537 | break; |
---|
[71f4e4f] | 538 | |
---|
[51587aa] | 539 | case OT_POSTFIX: |
---|
| 540 | case OT_POSTFIXASSIGN: |
---|
[22bc276] | 541 | assert( untypedExpr->args.size() == 1 ); |
---|
[9857e8d] | 542 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 543 | output << opInfo.symbol; |
---|
[51587aa] | 544 | break; |
---|
[71f4e4f] | 545 | |
---|
[51587aa] | 546 | case OT_INFIX: |
---|
| 547 | case OT_INFIXASSIGN: |
---|
[22bc276] | 548 | assert( untypedExpr->args.size() == 2 ); |
---|
[6c4ff37] | 549 | output << "("; |
---|
[9857e8d] | 550 | (*arg++)->accept( *visitor ); |
---|
[6c4ff37] | 551 | output << opInfo.symbol; |
---|
[9857e8d] | 552 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 553 | output << ")"; |
---|
[51587aa] | 554 | break; |
---|
[71f4e4f] | 555 | |
---|
[51587aa] | 556 | case OT_CONSTANT: |
---|
| 557 | // there are no intrinsic definitions of 0 or 1 as functions |
---|
| 558 | assert( false ); |
---|
[3778cb2] | 559 | } // switch |
---|
[51587aa] | 560 | } else { |
---|
[22bc276] | 561 | // builtin routines |
---|
| 562 | nameExpr->accept( *visitor ); |
---|
| 563 | output << "("; |
---|
| 564 | genCommaList( untypedExpr->args.begin(), untypedExpr->args.end() ); |
---|
| 565 | output << ")"; |
---|
[51587aa] | 566 | } // if |
---|
| 567 | } else { |
---|
[22bc276] | 568 | untypedExpr->function->accept( *visitor ); |
---|
[6c4ff37] | 569 | output << "("; |
---|
[22bc276] | 570 | genCommaList( untypedExpr->args.begin(), untypedExpr->args.end() ); |
---|
[6c4ff37] | 571 | output << ")"; |
---|
[51587aa] | 572 | } // if |
---|
| 573 | } |
---|
[71f4e4f] | 574 | |
---|
[9857e8d] | 575 | void CodeGenerator::postvisit( RangeExpr * rangeExpr ) { |
---|
[22bc276] | 576 | rangeExpr->low->accept( *visitor ); |
---|
[064e3ff] | 577 | output << " ... "; |
---|
[22bc276] | 578 | rangeExpr->high->accept( *visitor ); |
---|
[064e3ff] | 579 | } |
---|
| 580 | |
---|
[9857e8d] | 581 | void CodeGenerator::postvisit( NameExpr * nameExpr ) { |
---|
[e04ef3a] | 582 | extension( nameExpr ); |
---|
[51587aa] | 583 | OperatorInfo opInfo; |
---|
[5ea7a22] | 584 | if ( operatorLookup( nameExpr->name, opInfo ) ) { |
---|
| 585 | if ( opInfo.type == OT_CONSTANT ) { |
---|
| 586 | output << opInfo.symbol; |
---|
| 587 | } else { |
---|
| 588 | output << opInfo.outputName; |
---|
| 589 | } |
---|
[51587aa] | 590 | } else { |
---|
[6c4ff37] | 591 | output << nameExpr->get_name(); |
---|
[51587aa] | 592 | } // if |
---|
| 593 | } |
---|
[71f4e4f] | 594 | |
---|
[9857e8d] | 595 | void CodeGenerator::postvisit( AddressExpr * addressExpr ) { |
---|
[e04ef3a] | 596 | extension( addressExpr ); |
---|
[6c4ff37] | 597 | output << "(&"; |
---|
[9857e8d] | 598 | addressExpr->arg->accept( *visitor ); |
---|
[6c4ff37] | 599 | output << ")"; |
---|
[51587aa] | 600 | } |
---|
| 601 | |
---|
[9857e8d] | 602 | void CodeGenerator::postvisit( LabelAddressExpr *addressExpr ) { |
---|
[5809461] | 603 | extension( addressExpr ); |
---|
| 604 | output << "(&&" << addressExpr->arg << ")"; |
---|
| 605 | } |
---|
| 606 | |
---|
[9857e8d] | 607 | void CodeGenerator::postvisit( CastExpr * castExpr ) { |
---|
[e04ef3a] | 608 | extension( castExpr ); |
---|
[803deb1] | 609 | output << "("; |
---|
[906e24d] | 610 | if ( castExpr->get_result()->isVoid() ) { |
---|
[d7312ac] | 611 | output << "(void)"; |
---|
[d104b02] | 612 | } else { |
---|
| 613 | // at least one result type of cast. |
---|
| 614 | // Note: previously, lvalue casts were skipped. Since it's now impossible for the user to write |
---|
| 615 | // an lvalue cast, this has been taken out. |
---|
[803deb1] | 616 | output << "("; |
---|
[42a36d9] | 617 | output << genType( castExpr->get_result(), "", options ); |
---|
[71f4e4f] | 618 | output << ")"; |
---|
[3778cb2] | 619 | } // if |
---|
[da9d79b] | 620 | castExpr->arg->accept( *visitor ); |
---|
| 621 | output << ")"; |
---|
| 622 | } |
---|
| 623 | |
---|
| 624 | void CodeGenerator::postvisit( KeywordCastExpr * castExpr ) { |
---|
[42a36d9] | 625 | assertf( ! options.genC, "KeywordCast should not reach code generation." ); |
---|
[da9d79b] | 626 | extension( castExpr ); |
---|
| 627 | output << "((" << castExpr->targetString() << " &)"; |
---|
| 628 | castExpr->arg->accept( *visitor ); |
---|
[803deb1] | 629 | output << ")"; |
---|
[51587aa] | 630 | } |
---|
[71f4e4f] | 631 | |
---|
[9857e8d] | 632 | void CodeGenerator::postvisit( VirtualCastExpr * castExpr ) { |
---|
[42a36d9] | 633 | assertf( ! options.genC, "VirtualCastExpr should not reach code generation." ); |
---|
[a5f0529] | 634 | extension( castExpr ); |
---|
| 635 | output << "(virtual "; |
---|
[9857e8d] | 636 | castExpr->get_arg()->accept( *visitor ); |
---|
[a5f0529] | 637 | output << ")"; |
---|
| 638 | } |
---|
| 639 | |
---|
[9857e8d] | 640 | void CodeGenerator::postvisit( UntypedMemberExpr * memberExpr ) { |
---|
[42a36d9] | 641 | assertf( ! options.genC, "UntypedMemberExpr should not reach code generation." ); |
---|
[e39241b] | 642 | extension( memberExpr ); |
---|
[9857e8d] | 643 | memberExpr->get_aggregate()->accept( *visitor ); |
---|
[5f642e38] | 644 | output << "."; |
---|
[9857e8d] | 645 | memberExpr->get_member()->accept( *visitor ); |
---|
[51587aa] | 646 | } |
---|
[71f4e4f] | 647 | |
---|
[9857e8d] | 648 | void CodeGenerator::postvisit( MemberExpr * memberExpr ) { |
---|
[e04ef3a] | 649 | extension( memberExpr ); |
---|
[9857e8d] | 650 | memberExpr->get_aggregate()->accept( *visitor ); |
---|
[6c4ff37] | 651 | output << "." << mangleName( memberExpr->get_member() ); |
---|
[51587aa] | 652 | } |
---|
[71f4e4f] | 653 | |
---|
[9857e8d] | 654 | void CodeGenerator::postvisit( VariableExpr * variableExpr ) { |
---|
[e04ef3a] | 655 | extension( variableExpr ); |
---|
[51587aa] | 656 | OperatorInfo opInfo; |
---|
| 657 | if ( variableExpr->get_var()->get_linkage() == LinkageSpec::Intrinsic && operatorLookup( variableExpr->get_var()->get_name(), opInfo ) && opInfo.type == OT_CONSTANT ) { |
---|
[6c4ff37] | 658 | output << opInfo.symbol; |
---|
[51587aa] | 659 | } else { |
---|
[6c4ff37] | 660 | output << mangleName( variableExpr->get_var() ); |
---|
[51587aa] | 661 | } // if |
---|
| 662 | } |
---|
[71f4e4f] | 663 | |
---|
[9857e8d] | 664 | void CodeGenerator::postvisit( ConstantExpr * constantExpr ) { |
---|
[51587aa] | 665 | assert( constantExpr->get_constant() ); |
---|
[e04ef3a] | 666 | extension( constantExpr ); |
---|
[9857e8d] | 667 | constantExpr->get_constant()->accept( *visitor ); |
---|
[51587aa] | 668 | } |
---|
[71f4e4f] | 669 | |
---|
[9857e8d] | 670 | void CodeGenerator::postvisit( SizeofExpr * sizeofExpr ) { |
---|
[e04ef3a] | 671 | extension( sizeofExpr ); |
---|
[6c4ff37] | 672 | output << "sizeof("; |
---|
[51587aa] | 673 | if ( sizeofExpr->get_isType() ) { |
---|
[42a36d9] | 674 | output << genType( sizeofExpr->get_type(), "", options ); |
---|
[51587aa] | 675 | } else { |
---|
[9857e8d] | 676 | sizeofExpr->get_expr()->accept( *visitor ); |
---|
[51587aa] | 677 | } // if |
---|
[6c4ff37] | 678 | output << ")"; |
---|
[51587aa] | 679 | } |
---|
[47534159] | 680 | |
---|
[9857e8d] | 681 | void CodeGenerator::postvisit( AlignofExpr * alignofExpr ) { |
---|
[47534159] | 682 | // use GCC extension to avoid bumping std to C11 |
---|
[8e9cbb2] | 683 | extension( alignofExpr ); |
---|
[47534159] | 684 | output << "__alignof__("; |
---|
[25a054f] | 685 | if ( alignofExpr->get_isType() ) { |
---|
[42a36d9] | 686 | output << genType( alignofExpr->get_type(), "", options ); |
---|
[47534159] | 687 | } else { |
---|
[9857e8d] | 688 | alignofExpr->get_expr()->accept( *visitor ); |
---|
[47534159] | 689 | } // if |
---|
| 690 | output << ")"; |
---|
| 691 | } |
---|
[71f4e4f] | 692 | |
---|
[9857e8d] | 693 | void CodeGenerator::postvisit( UntypedOffsetofExpr * offsetofExpr ) { |
---|
[42a36d9] | 694 | assertf( ! options.genC, "UntypedOffsetofExpr should not reach code generation." ); |
---|
[e39241b] | 695 | output << "offsetof("; |
---|
[42a36d9] | 696 | output << genType( offsetofExpr->get_type(), "", options ); |
---|
[e39241b] | 697 | output << ", " << offsetofExpr->get_member(); |
---|
| 698 | output << ")"; |
---|
[2a4b088] | 699 | } |
---|
| 700 | |
---|
[9857e8d] | 701 | void CodeGenerator::postvisit( OffsetofExpr * offsetofExpr ) { |
---|
[25a054f] | 702 | // use GCC builtin |
---|
| 703 | output << "__builtin_offsetof("; |
---|
[42a36d9] | 704 | output << genType( offsetofExpr->get_type(), "", options ); |
---|
[e551c69] | 705 | output << ", " << mangleName( offsetofExpr->get_member() ); |
---|
[25a054f] | 706 | output << ")"; |
---|
| 707 | } |
---|
[d63eeb0] | 708 | |
---|
[9857e8d] | 709 | void CodeGenerator::postvisit( OffsetPackExpr * offsetPackExpr ) { |
---|
[42a36d9] | 710 | assertf( ! options.genC, "OffsetPackExpr should not reach code generation." ); |
---|
| 711 | output << "__CFA_offsetpack(" << genType( offsetPackExpr->get_type(), "", options ) << ")"; |
---|
[afc1045] | 712 | } |
---|
[70a06f6] | 713 | |
---|
[9857e8d] | 714 | void CodeGenerator::postvisit( LogicalExpr * logicalExpr ) { |
---|
[e04ef3a] | 715 | extension( logicalExpr ); |
---|
[6c4ff37] | 716 | output << "("; |
---|
[9857e8d] | 717 | logicalExpr->get_arg1()->accept( *visitor ); |
---|
[51587aa] | 718 | if ( logicalExpr->get_isAnd() ) { |
---|
[6c4ff37] | 719 | output << " && "; |
---|
[51587aa] | 720 | } else { |
---|
[6c4ff37] | 721 | output << " || "; |
---|
[51587aa] | 722 | } // if |
---|
[9857e8d] | 723 | logicalExpr->get_arg2()->accept( *visitor ); |
---|
[6c4ff37] | 724 | output << ")"; |
---|
[51587aa] | 725 | } |
---|
[71f4e4f] | 726 | |
---|
[9857e8d] | 727 | void CodeGenerator::postvisit( ConditionalExpr * conditionalExpr ) { |
---|
[e04ef3a] | 728 | extension( conditionalExpr ); |
---|
[6c4ff37] | 729 | output << "("; |
---|
[9857e8d] | 730 | conditionalExpr->get_arg1()->accept( *visitor ); |
---|
[6c4ff37] | 731 | output << " ? "; |
---|
[9857e8d] | 732 | conditionalExpr->get_arg2()->accept( *visitor ); |
---|
[6c4ff37] | 733 | output << " : "; |
---|
[9857e8d] | 734 | conditionalExpr->get_arg3()->accept( *visitor ); |
---|
[6c4ff37] | 735 | output << ")"; |
---|
[51587aa] | 736 | } |
---|
[71f4e4f] | 737 | |
---|
[9857e8d] | 738 | void CodeGenerator::postvisit( CommaExpr * commaExpr ) { |
---|
[e04ef3a] | 739 | extension( commaExpr ); |
---|
[6c4ff37] | 740 | output << "("; |
---|
[42a36d9] | 741 | if ( options.genC ) { |
---|
[8a6cf7e] | 742 | // arg1 of a CommaExpr is never used, so it can be safely cast to void to reduce gcc warnings. |
---|
| 743 | commaExpr->set_arg1( new CastExpr( commaExpr->get_arg1() ) ); |
---|
| 744 | } |
---|
[9857e8d] | 745 | commaExpr->get_arg1()->accept( *visitor ); |
---|
[6c4ff37] | 746 | output << " , "; |
---|
[9857e8d] | 747 | commaExpr->get_arg2()->accept( *visitor ); |
---|
[6c4ff37] | 748 | output << ")"; |
---|
[51587aa] | 749 | } |
---|
[71f4e4f] | 750 | |
---|
[9857e8d] | 751 | void CodeGenerator::postvisit( TupleAssignExpr * tupleExpr ) { |
---|
[42a36d9] | 752 | assertf( ! options.genC, "TupleAssignExpr should not reach code generation." ); |
---|
[9857e8d] | 753 | tupleExpr->stmtExpr->accept( *visitor ); |
---|
[d104b02] | 754 | } |
---|
| 755 | |
---|
[9857e8d] | 756 | void CodeGenerator::postvisit( UntypedTupleExpr * tupleExpr ) { |
---|
[42a36d9] | 757 | assertf( ! options.genC, "UntypedTupleExpr should not reach code generation." ); |
---|
[f975c65] | 758 | extension( tupleExpr ); |
---|
[e39241b] | 759 | output << "["; |
---|
| 760 | genCommaList( tupleExpr->get_exprs().begin(), tupleExpr->get_exprs().end() ); |
---|
| 761 | output << "]"; |
---|
| 762 | } |
---|
[907eccb] | 763 | |
---|
[9857e8d] | 764 | void CodeGenerator::postvisit( TupleExpr * tupleExpr ) { |
---|
[42a36d9] | 765 | assertf( ! options.genC, "TupleExpr should not reach code generation." ); |
---|
[f975c65] | 766 | extension( tupleExpr ); |
---|
[e39241b] | 767 | output << "["; |
---|
| 768 | genCommaList( tupleExpr->get_exprs().begin(), tupleExpr->get_exprs().end() ); |
---|
| 769 | output << "]"; |
---|
| 770 | } |
---|
[71f4e4f] | 771 | |
---|
[9857e8d] | 772 | void CodeGenerator::postvisit( TupleIndexExpr * tupleExpr ) { |
---|
[42a36d9] | 773 | assertf( ! options.genC, "TupleIndexExpr should not reach code generation." ); |
---|
[f975c65] | 774 | extension( tupleExpr ); |
---|
[9857e8d] | 775 | tupleExpr->get_tuple()->accept( *visitor ); |
---|
[f975c65] | 776 | output << "." << tupleExpr->get_index(); |
---|
| 777 | } |
---|
| 778 | |
---|
[9857e8d] | 779 | void CodeGenerator::postvisit( TypeExpr * typeExpr ) { |
---|
[42a36d9] | 780 | // if ( options.genC ) std::cerr << "typeexpr still exists: " << typeExpr << std::endl; |
---|
| 781 | // assertf( ! options.genC, "TypeExpr should not reach code generation." ); |
---|
| 782 | if ( ! options.genC ) { |
---|
| 783 | output << genType( typeExpr->get_type(), "", options ); |
---|
[e4d829b] | 784 | } |
---|
[e39241b] | 785 | } |
---|
[2b6c1e0] | 786 | |
---|
[9857e8d] | 787 | void CodeGenerator::postvisit( AsmExpr * asmExpr ) { |
---|
[665f432] | 788 | if ( !asmExpr->inout.empty() ) { |
---|
[7f5566b] | 789 | output << "[ "; |
---|
[665f432] | 790 | output << asmExpr->inout; |
---|
[7f5566b] | 791 | output << " ] "; |
---|
| 792 | } // if |
---|
[665f432] | 793 | asmExpr->constraint->accept( *visitor ); |
---|
[7f5566b] | 794 | output << " ( "; |
---|
[665f432] | 795 | asmExpr->operand->accept( *visitor ); |
---|
[7f5566b] | 796 | output << " )"; |
---|
| 797 | } |
---|
| 798 | |
---|
[9857e8d] | 799 | void CodeGenerator::postvisit( CompoundLiteralExpr *compLitExpr ) { |
---|
[fbcde64] | 800 | assert( compLitExpr->get_result() && dynamic_cast< ListInit * > ( compLitExpr->get_initializer() ) ); |
---|
[42a36d9] | 801 | output << "(" << genType( compLitExpr->get_result(), "", options ) << ")"; |
---|
[9857e8d] | 802 | compLitExpr->get_initializer()->accept( *visitor ); |
---|
[3c13c03] | 803 | } |
---|
| 804 | |
---|
[9857e8d] | 805 | void CodeGenerator::postvisit( UniqueExpr * unqExpr ) { |
---|
[42a36d9] | 806 | assertf( ! options.genC, "Unique expressions should not reach code generation." ); |
---|
[d104b02] | 807 | output << "unq<" << unqExpr->get_id() << ">{ "; |
---|
[9857e8d] | 808 | unqExpr->get_expr()->accept( *visitor ); |
---|
[d104b02] | 809 | output << " }"; |
---|
| 810 | } |
---|
| 811 | |
---|
[9857e8d] | 812 | void CodeGenerator::postvisit( StmtExpr * stmtExpr ) { |
---|
[44b4114] | 813 | std::list< Statement * > & stmts = stmtExpr->statements->kids; |
---|
[d22e90f] | 814 | output << "({" << endl; |
---|
[f7cb0bc] | 815 | ++indent; |
---|
[3c13c03] | 816 | unsigned int numStmts = stmts.size(); |
---|
| 817 | unsigned int i = 0; |
---|
| 818 | for ( Statement * stmt : stmts ) { |
---|
[058f549] | 819 | output << indent << printLabels( stmt->get_labels() ); |
---|
[3c13c03] | 820 | if ( i+1 == numStmts ) { |
---|
| 821 | // last statement in a statement expression needs to be handled specially - |
---|
| 822 | // cannot cast to void, otherwise the expression statement has no value |
---|
| 823 | if ( ExprStmt * exprStmt = dynamic_cast< ExprStmt * >( stmt ) ) { |
---|
[44b4114] | 824 | exprStmt->expr->accept( *visitor ); |
---|
[3c13c03] | 825 | output << ";" << endl; |
---|
| 826 | ++i; |
---|
| 827 | break; |
---|
| 828 | } |
---|
| 829 | } |
---|
[9857e8d] | 830 | stmt->accept( *visitor ); |
---|
[3c13c03] | 831 | output << endl; |
---|
| 832 | if ( wantSpacing( stmt ) ) { |
---|
| 833 | output << endl; |
---|
| 834 | } // if |
---|
| 835 | ++i; |
---|
| 836 | } |
---|
[f7cb0bc] | 837 | --indent; |
---|
[3c13c03] | 838 | output << indent << "})"; |
---|
[6eb8948] | 839 | } |
---|
| 840 | |
---|
[4e8949f] | 841 | void CodeGenerator::postvisit( ConstructorExpr * expr ) { |
---|
[42a36d9] | 842 | assertf( ! options.genC, "Unique expressions should not reach code generation." ); |
---|
[4e8949f] | 843 | expr->callExpr->accept( *visitor ); |
---|
| 844 | } |
---|
| 845 | |
---|
[44b4114] | 846 | void CodeGenerator::postvisit( DeletedExpr * expr ) { |
---|
[42a36d9] | 847 | assertf( ! options.genC, "Deleted expressions should not reach code generation." ); |
---|
[44b4114] | 848 | expr->expr->accept( *visitor ); |
---|
| 849 | } |
---|
| 850 | |
---|
[0f79853] | 851 | void CodeGenerator::postvisit( DefaultArgExpr * arg ) { |
---|
[42a36d9] | 852 | assertf( ! options.genC, "Default argument expressions should not reach code generation." ); |
---|
[0f79853] | 853 | arg->expr->accept( *visitor ); |
---|
| 854 | } |
---|
| 855 | |
---|
[d807ca28] | 856 | void CodeGenerator::postvisit( GenericExpr * expr ) { |
---|
[42a36d9] | 857 | assertf( ! options.genC, "C11 _Generic expressions should not reach code generation." ); |
---|
[d807ca28] | 858 | output << "_Generic("; |
---|
| 859 | expr->control->accept( *visitor ); |
---|
| 860 | output << ", "; |
---|
| 861 | unsigned int numAssocs = expr->associations.size(); |
---|
| 862 | unsigned int i = 0; |
---|
| 863 | for ( GenericExpr::Association & assoc : expr->associations ) { |
---|
| 864 | if (assoc.isDefault) { |
---|
| 865 | output << "default: "; |
---|
| 866 | } else { |
---|
[42a36d9] | 867 | output << genType( assoc.type, "", options ) << ": "; |
---|
[d807ca28] | 868 | } |
---|
| 869 | assoc.expr->accept( *visitor ); |
---|
| 870 | if ( i+1 != numAssocs ) { |
---|
| 871 | output << ", "; |
---|
| 872 | } |
---|
| 873 | i++; |
---|
| 874 | } |
---|
| 875 | output << ")"; |
---|
| 876 | } |
---|
| 877 | |
---|
| 878 | |
---|
[4810867] | 879 | // *** Statements |
---|
[9857e8d] | 880 | void CodeGenerator::postvisit( CompoundStmt * compoundStmt ) { |
---|
[51587aa] | 881 | std::list<Statement*> ks = compoundStmt->get_kids(); |
---|
[2b6c1e0] | 882 | output << "{" << endl; |
---|
[51587aa] | 883 | |
---|
[f7cb0bc] | 884 | ++indent; |
---|
[51587aa] | 885 | |
---|
[7f5566b] | 886 | for ( std::list<Statement *>::iterator i = ks.begin(); i != ks.end(); i++ ) { |
---|
[cda48b6] | 887 | output << indent << printLabels( (*i)->get_labels() ); |
---|
[9857e8d] | 888 | (*i)->accept( *visitor ); |
---|
[2b6c1e0] | 889 | |
---|
[6c4ff37] | 890 | output << endl; |
---|
[2b6c1e0] | 891 | if ( wantSpacing( *i ) ) { |
---|
| 892 | output << endl; |
---|
[3778cb2] | 893 | } // if |
---|
[8688ce1] | 894 | } // for |
---|
[f7cb0bc] | 895 | --indent; |
---|
[51587aa] | 896 | |
---|
[cda48b6] | 897 | output << indent << "}"; |
---|
[51587aa] | 898 | } |
---|
| 899 | |
---|
[9857e8d] | 900 | void CodeGenerator::postvisit( ExprStmt * exprStmt ) { |
---|
[6c4ff37] | 901 | assert( exprStmt ); |
---|
[42a36d9] | 902 | if ( options.genC ) { |
---|
[262f085f] | 903 | // cast the top-level expression to void to reduce gcc warnings. |
---|
[8a6cf7e] | 904 | exprStmt->set_expr( new CastExpr( exprStmt->get_expr() ) ); |
---|
[262f085f] | 905 | } |
---|
[9857e8d] | 906 | exprStmt->get_expr()->accept( *visitor ); |
---|
[321a2481] | 907 | output << ";"; |
---|
[51587aa] | 908 | } |
---|
| 909 | |
---|
[9857e8d] | 910 | void CodeGenerator::postvisit( AsmStmt * asmStmt ) { |
---|
[7f5566b] | 911 | output << "asm "; |
---|
| 912 | if ( asmStmt->get_voltile() ) output << "volatile "; |
---|
| 913 | if ( ! asmStmt->get_gotolabels().empty() ) output << "goto "; |
---|
| 914 | output << "( "; |
---|
[9857e8d] | 915 | if ( asmStmt->get_instruction() ) asmStmt->get_instruction()->accept( *visitor ); |
---|
[7f5566b] | 916 | output << " : "; |
---|
| 917 | genCommaList( asmStmt->get_output().begin(), asmStmt->get_output().end() ); |
---|
| 918 | output << " : "; |
---|
| 919 | genCommaList( asmStmt->get_input().begin(), asmStmt->get_input().end() ); |
---|
| 920 | output << " : "; |
---|
| 921 | genCommaList( asmStmt->get_clobber().begin(), asmStmt->get_clobber().end() ); |
---|
| 922 | if ( ! asmStmt->get_gotolabels().empty() ) { |
---|
| 923 | output << " : "; |
---|
| 924 | for ( std::list<Label>::iterator begin = asmStmt->get_gotolabels().begin();; ) { |
---|
| 925 | output << *begin++; |
---|
| 926 | if ( begin == asmStmt->get_gotolabels().end() ) break; |
---|
| 927 | output << ", "; |
---|
| 928 | } // for |
---|
| 929 | } // if |
---|
[d7312ac] | 930 | output << " );"; |
---|
[7f5566b] | 931 | } |
---|
| 932 | |
---|
[9857e8d] | 933 | void CodeGenerator::postvisit( AsmDecl * asmDecl ) { |
---|
[e994912] | 934 | output << "asm "; |
---|
| 935 | AsmStmt * asmStmt = asmDecl->get_stmt(); |
---|
| 936 | output << "( "; |
---|
[9857e8d] | 937 | if ( asmStmt->get_instruction() ) asmStmt->get_instruction()->accept( *visitor ); |
---|
[d7312ac] | 938 | output << " )"; |
---|
[e994912] | 939 | } |
---|
| 940 | |
---|
[cc32d83] | 941 | void CodeGenerator::postvisit( DirectiveStmt * dirStmt ) { |
---|
[d7312ac] | 942 | output << endl << dirStmt->directive; // endl prevents spaces before directive |
---|
[cc32d83] | 943 | } |
---|
| 944 | |
---|
[9857e8d] | 945 | void CodeGenerator::postvisit( IfStmt * ifStmt ) { |
---|
[7f5566b] | 946 | output << "if ( "; |
---|
[9857e8d] | 947 | ifStmt->get_condition()->accept( *visitor ); |
---|
[7f5566b] | 948 | output << " ) "; |
---|
[51587aa] | 949 | |
---|
[9857e8d] | 950 | ifStmt->get_thenPart()->accept( *visitor ); |
---|
[51587aa] | 951 | |
---|
| 952 | if ( ifStmt->get_elsePart() != 0) { |
---|
[2b6c1e0] | 953 | output << " else "; |
---|
[9857e8d] | 954 | ifStmt->get_elsePart()->accept( *visitor ); |
---|
[51587aa] | 955 | } // if |
---|
| 956 | } |
---|
| 957 | |
---|
[9857e8d] | 958 | void CodeGenerator::postvisit( SwitchStmt * switchStmt ) { |
---|
[d7312ac] | 959 | output << "switch ( "; |
---|
[9857e8d] | 960 | switchStmt->get_condition()->accept( *visitor ); |
---|
[7f5566b] | 961 | output << " ) "; |
---|
[71f4e4f] | 962 | |
---|
[d22e90f] | 963 | output << "{" << endl; |
---|
[f7cb0bc] | 964 | ++indent; |
---|
[9857e8d] | 965 | acceptAll( switchStmt->get_statements(), *visitor ); |
---|
[f7cb0bc] | 966 | --indent; |
---|
[cda48b6] | 967 | output << indent << "}"; |
---|
[51587aa] | 968 | } |
---|
| 969 | |
---|
[9857e8d] | 970 | void CodeGenerator::postvisit( CaseStmt * caseStmt ) { |
---|
[8bafacc] | 971 | updateLocation( caseStmt ); |
---|
[1dcd9554] | 972 | output << indent; |
---|
[eb3261f] | 973 | if ( caseStmt->isDefault()) { |
---|
[2b6c1e0] | 974 | output << "default"; |
---|
[eb3261f] | 975 | } else { |
---|
[2b6c1e0] | 976 | output << "case "; |
---|
[9857e8d] | 977 | caseStmt->get_condition()->accept( *visitor ); |
---|
[17cd4eb] | 978 | } // if |
---|
[d22e90f] | 979 | output << ":" << endl; |
---|
[71f4e4f] | 980 | |
---|
[51587aa] | 981 | std::list<Statement *> sts = caseStmt->get_statements(); |
---|
| 982 | |
---|
[f7cb0bc] | 983 | ++indent; |
---|
[51587aa] | 984 | for ( std::list<Statement *>::iterator i = sts.begin(); i != sts.end(); i++) { |
---|
[d7312ac] | 985 | output << indent << printLabels( (*i)->get_labels() ) ; |
---|
[9857e8d] | 986 | (*i)->accept( *visitor ); |
---|
[6c4ff37] | 987 | output << endl; |
---|
[3778cb2] | 988 | } // for |
---|
[f7cb0bc] | 989 | --indent; |
---|
[51587aa] | 990 | } |
---|
| 991 | |
---|
[9857e8d] | 992 | void CodeGenerator::postvisit( BranchStmt * branchStmt ) { |
---|
[51587aa] | 993 | switch ( branchStmt->get_type()) { |
---|
| 994 | case BranchStmt::Goto: |
---|
| 995 | if ( ! branchStmt->get_target().empty() ) |
---|
[6c4ff37] | 996 | output << "goto " << branchStmt->get_target(); |
---|
[71f4e4f] | 997 | else { |
---|
[51587aa] | 998 | if ( branchStmt->get_computedTarget() != 0 ) { |
---|
[6c4ff37] | 999 | output << "goto *"; |
---|
[9857e8d] | 1000 | branchStmt->get_computedTarget()->accept( *visitor ); |
---|
[51587aa] | 1001 | } // if |
---|
| 1002 | } // if |
---|
| 1003 | break; |
---|
| 1004 | case BranchStmt::Break: |
---|
[6c4ff37] | 1005 | output << "break"; |
---|
[51587aa] | 1006 | break; |
---|
| 1007 | case BranchStmt::Continue: |
---|
[6c4ff37] | 1008 | output << "continue"; |
---|
[51587aa] | 1009 | break; |
---|
[7c2a7b6] | 1010 | case BranchStmt::FallThrough: |
---|
| 1011 | case BranchStmt::FallThroughDefault: |
---|
[42a36d9] | 1012 | assertf( ! options.genC, "fallthru should not reach code generation." ); |
---|
[7c2a7b6] | 1013 | output << "fallthru"; |
---|
| 1014 | break; |
---|
[3778cb2] | 1015 | } // switch |
---|
[7c2a7b6] | 1016 | // print branch target for labelled break/continue/fallthru in debug mode |
---|
[42a36d9] | 1017 | if ( ! options.genC && branchStmt->get_type() != BranchStmt::Goto ) { |
---|
[7c2a7b6] | 1018 | if ( ! branchStmt->get_target().empty() ) { |
---|
| 1019 | output << " " << branchStmt->get_target(); |
---|
| 1020 | } else if ( branchStmt->get_type() == BranchStmt::FallThrough ) { |
---|
| 1021 | output << " default"; |
---|
| 1022 | } |
---|
| 1023 | } |
---|
[2b6c1e0] | 1024 | output << ";"; |
---|
[51587aa] | 1025 | } |
---|
| 1026 | |
---|
[9857e8d] | 1027 | void CodeGenerator::postvisit( ReturnStmt * returnStmt ) { |
---|
[6c4ff37] | 1028 | output << "return "; |
---|
[9857e8d] | 1029 | maybeAccept( returnStmt->get_expr(), *visitor ); |
---|
[6c4ff37] | 1030 | output << ";"; |
---|
[51587aa] | 1031 | } |
---|
| 1032 | |
---|
[9857e8d] | 1033 | void CodeGenerator::postvisit( ThrowStmt * throwStmt ) { |
---|
[42a36d9] | 1034 | assertf( ! options.genC, "Throw statements should not reach code generation." ); |
---|
[daf1af8] | 1035 | |
---|
| 1036 | output << ((throwStmt->get_kind() == ThrowStmt::Terminate) ? |
---|
| 1037 | "throw" : "throwResume"); |
---|
| 1038 | if (throwStmt->get_expr()) { |
---|
| 1039 | output << " "; |
---|
[9857e8d] | 1040 | throwStmt->get_expr()->accept( *visitor ); |
---|
[daf1af8] | 1041 | } |
---|
| 1042 | if (throwStmt->get_target()) { |
---|
| 1043 | output << " _At "; |
---|
[9857e8d] | 1044 | throwStmt->get_target()->accept( *visitor ); |
---|
[daf1af8] | 1045 | } |
---|
| 1046 | output << ";"; |
---|
| 1047 | } |
---|
[e4ea10b7] | 1048 | void CodeGenerator::postvisit( CatchStmt * stmt ) { |
---|
[42a36d9] | 1049 | assertf( ! options.genC, "Catch statements should not reach code generation." ); |
---|
[e4ea10b7] | 1050 | |
---|
| 1051 | output << ((stmt->get_kind() == CatchStmt::Terminate) ? |
---|
| 1052 | "catch" : "catchResume"); |
---|
| 1053 | output << "( "; |
---|
| 1054 | stmt->decl->accept( *visitor ); |
---|
| 1055 | output << " ) "; |
---|
| 1056 | |
---|
| 1057 | if( stmt->cond ) { |
---|
| 1058 | output << "if/when(?) ("; |
---|
| 1059 | stmt->cond->accept( *visitor ); |
---|
| 1060 | output << ") "; |
---|
| 1061 | } |
---|
| 1062 | stmt->body->accept( *visitor ); |
---|
| 1063 | } |
---|
| 1064 | |
---|
| 1065 | void CodeGenerator::postvisit( WaitForStmt * stmt ) { |
---|
[42a36d9] | 1066 | assertf( ! options.genC, "Waitfor statements should not reach code generation." ); |
---|
[e4ea10b7] | 1067 | |
---|
| 1068 | bool first = true; |
---|
| 1069 | for( auto & clause : stmt->clauses ) { |
---|
| 1070 | if(first) { output << "or "; first = false; } |
---|
| 1071 | if( clause.condition ) { |
---|
| 1072 | output << "when("; |
---|
| 1073 | stmt->timeout.condition->accept( *visitor ); |
---|
| 1074 | output << ") "; |
---|
| 1075 | } |
---|
| 1076 | output << "waitfor("; |
---|
| 1077 | clause.target.function->accept( *visitor ); |
---|
| 1078 | for( Expression * expr : clause.target.arguments ) { |
---|
| 1079 | output << ","; |
---|
| 1080 | expr->accept( *visitor ); |
---|
| 1081 | } |
---|
| 1082 | output << ") "; |
---|
| 1083 | clause.statement->accept( *visitor ); |
---|
| 1084 | } |
---|
| 1085 | |
---|
| 1086 | if( stmt->timeout.statement ) { |
---|
| 1087 | output << "or "; |
---|
| 1088 | if( stmt->timeout.condition ) { |
---|
| 1089 | output << "when("; |
---|
| 1090 | stmt->timeout.condition->accept( *visitor ); |
---|
| 1091 | output << ") "; |
---|
| 1092 | } |
---|
| 1093 | output << "timeout("; |
---|
| 1094 | stmt->timeout.time->accept( *visitor ); |
---|
| 1095 | output << ") "; |
---|
| 1096 | stmt->timeout.statement->accept( *visitor ); |
---|
| 1097 | } |
---|
| 1098 | |
---|
| 1099 | if( stmt->orelse.statement ) { |
---|
| 1100 | output << "or "; |
---|
| 1101 | if( stmt->orelse.condition ) { |
---|
| 1102 | output << "when("; |
---|
| 1103 | stmt->orelse.condition->accept( *visitor ); |
---|
| 1104 | output << ")"; |
---|
| 1105 | } |
---|
| 1106 | output << "else "; |
---|
| 1107 | stmt->orelse.statement->accept( *visitor ); |
---|
| 1108 | } |
---|
| 1109 | } |
---|
| 1110 | |
---|
[55d6e8de] | 1111 | void CodeGenerator::postvisit( WithStmt * with ) { |
---|
[42a36d9] | 1112 | if ( ! options.genC ) { |
---|
[55d6e8de] | 1113 | output << "with ( "; |
---|
| 1114 | genCommaList( with->exprs.begin(), with->exprs.end() ); |
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| 1115 | output << " ) "; |
---|
| 1116 | } |
---|
| 1117 | with->stmt->accept( *visitor ); |
---|
| 1118 | } |
---|
[daf1af8] | 1119 | |
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[9857e8d] | 1120 | void CodeGenerator::postvisit( WhileStmt * whileStmt ) { |
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[321a2481] | 1121 | if ( whileStmt->get_isDoWhile() ) { |
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[d7312ac] | 1122 | output << "do"; |
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[321a2481] | 1123 | } else { |
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[d7312ac] | 1124 | output << "while ("; |
---|
[9857e8d] | 1125 | whileStmt->get_condition()->accept( *visitor ); |
---|
[6c4ff37] | 1126 | output << ")"; |
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[51587aa] | 1127 | } // if |
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[2b6c1e0] | 1128 | output << " "; |
---|
[51587aa] | 1129 | |
---|
[2b6c1e0] | 1130 | output << CodeGenerator::printLabels( whileStmt->get_body()->get_labels() ); |
---|
[9857e8d] | 1131 | whileStmt->get_body()->accept( *visitor ); |
---|
[51587aa] | 1132 | |
---|
[cda48b6] | 1133 | output << indent; |
---|
[51587aa] | 1134 | |
---|
| 1135 | if ( whileStmt->get_isDoWhile() ) { |
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[d7312ac] | 1136 | output << " while ("; |
---|
[9857e8d] | 1137 | whileStmt->get_condition()->accept( *visitor ); |
---|
[6c4ff37] | 1138 | output << ");"; |
---|
[51587aa] | 1139 | } // if |
---|
| 1140 | } |
---|
| 1141 | |
---|
[9857e8d] | 1142 | void CodeGenerator::postvisit( ForStmt * forStmt ) { |
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[8e9cbb2] | 1143 | // initialization is always hoisted, so don't bother doing anything with that |
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[145f1fc] | 1144 | output << "for (;"; |
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[51587aa] | 1145 | |
---|
[321a2481] | 1146 | if ( forStmt->get_condition() != 0 ) { |
---|
[9857e8d] | 1147 | forStmt->get_condition()->accept( *visitor ); |
---|
[3778cb2] | 1148 | } // if |
---|
[6c4ff37] | 1149 | output << ";"; |
---|
[51587aa] | 1150 | |
---|
[321a2481] | 1151 | if ( forStmt->get_increment() != 0 ) { |
---|
| 1152 | // cast the top-level expression to void to reduce gcc warnings. |
---|
| 1153 | Expression * expr = new CastExpr( forStmt->get_increment() ); |
---|
[9857e8d] | 1154 | expr->accept( *visitor ); |
---|
[3778cb2] | 1155 | } // if |
---|
[2b6c1e0] | 1156 | output << ") "; |
---|
[51587aa] | 1157 | |
---|
| 1158 | if ( forStmt->get_body() != 0 ) { |
---|
[2b6c1e0] | 1159 | output << CodeGenerator::printLabels( forStmt->get_body()->get_labels() ); |
---|
[9857e8d] | 1160 | forStmt->get_body()->accept( *visitor ); |
---|
[51587aa] | 1161 | } // if |
---|
| 1162 | } |
---|
| 1163 | |
---|
[9857e8d] | 1164 | void CodeGenerator::postvisit( __attribute__((unused)) NullStmt * nullStmt ) { |
---|
[cda48b6] | 1165 | //output << indent << CodeGenerator::printLabels( nullStmt->get_labels() ); |
---|
[6c4ff37] | 1166 | output << "/* null statement */ ;"; |
---|
[51587aa] | 1167 | } |
---|
| 1168 | |
---|
[9857e8d] | 1169 | void CodeGenerator::postvisit( DeclStmt * declStmt ) { |
---|
| 1170 | declStmt->get_decl()->accept( *visitor ); |
---|
[71f4e4f] | 1171 | |
---|
[51587aa] | 1172 | if ( doSemicolon( declStmt->get_decl() ) ) { |
---|
[6c4ff37] | 1173 | output << ";"; |
---|
[51587aa] | 1174 | } // if |
---|
| 1175 | } |
---|
| 1176 | |
---|
[9857e8d] | 1177 | void CodeGenerator::postvisit( ImplicitCtorDtorStmt * stmt ) { |
---|
[42a36d9] | 1178 | assertf( ! options.genC, "ImplicitCtorDtorStmts should not reach code generation." ); |
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[9857e8d] | 1179 | stmt->callStmt->accept( *visitor ); |
---|
| 1180 | } |
---|
| 1181 | |
---|
[dd020c0] | 1182 | void CodeGenerator::handleStorageClass( DeclarationWithType * decl ) { |
---|
[fb04321] | 1183 | if ( decl->get_storageClasses().any() ) { |
---|
[6e8bd43] | 1184 | decl->get_storageClasses().print( output ); |
---|
[a7c90d4] | 1185 | } // if |
---|
[dd020c0] | 1186 | } // CodeGenerator::handleStorageClass |
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[9facf3b] | 1187 | |
---|
| 1188 | std::string genName( DeclarationWithType * decl ) { |
---|
| 1189 | CodeGen::OperatorInfo opInfo; |
---|
| 1190 | if ( operatorLookup( decl->get_name(), opInfo ) ) { |
---|
| 1191 | return opInfo.outputName; |
---|
| 1192 | } else { |
---|
| 1193 | return decl->get_name(); |
---|
| 1194 | } // if |
---|
| 1195 | } |
---|
[51b7345] | 1196 | } // namespace CodeGen |
---|
[51587aa] | 1197 | |
---|
[50377a4] | 1198 | |
---|
| 1199 | unsigned Indenter::tabsize = 2; |
---|
| 1200 | |
---|
[e149f77] | 1201 | std::ostream & operator<<( std::ostream & out, const BaseSyntaxNode * node ) { |
---|
| 1202 | if ( node ) { |
---|
| 1203 | node->print( out ); |
---|
| 1204 | } else { |
---|
| 1205 | out << "nullptr"; |
---|
| 1206 | } |
---|
| 1207 | return out; |
---|
| 1208 | } |
---|
| 1209 | |
---|
[51587aa] | 1210 | // Local Variables: // |
---|
| 1211 | // tab-width: 4 // |
---|
| 1212 | // mode: c++ // |
---|
| 1213 | // compile-command: "make install" // |
---|
| 1214 | // End: // |
---|