[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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[30d91e4] | 279 | unsigned long long last_val = -1; |
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[51587aa] | 280 | for ( std::list< Declaration* >::iterator i = memb.begin(); i != memb.end(); i++) { |
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[8688ce1] | 281 | ObjectDecl * obj = dynamic_cast< ObjectDecl* >( *i ); |
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[51587aa] | 282 | assert( obj ); |
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[4390fb6] | 283 | output << "static const "; |
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| 284 | output << genType(enumDecl->base, "", options) << " "; |
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| 285 | output << mangleName( obj ) << " "; |
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| 286 | output << " = "; |
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[30d91e4] | 287 | output << "(" << genType(enumDecl->base, "", options) << ")"; |
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| 288 | if ( (BasicType *)(enumDecl->base) && ((BasicType *)(enumDecl->base))->isWholeNumber() ) { |
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| 289 | if ( obj->get_init() ) { |
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| 290 | obj->get_init()->accept( *visitor ); |
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| 291 | last_val = ((ConstantExpr *)(((SingleInit *)(obj->init))->value))->constant.get_ival(); |
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| 292 | } else { |
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| 293 | output << ++last_val; |
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| 294 | } // if |
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[4390fb6] | 295 | } else { |
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[30d91e4] | 296 | if ( obj->get_init() ) { |
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[b99fd56] | 297 | obj->get_init()->accept( *visitor ); |
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[4390fb6] | 298 | } else { |
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[30d91e4] | 299 | // Should not reach here! |
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[4390fb6] | 300 | } |
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[30d91e4] | 301 | } |
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[4390fb6] | 302 | output << ";" << endl; |
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[51587aa] | 303 | } // for |
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[4390fb6] | 304 | } else { |
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| 305 | output << "enum "; |
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| 306 | genAttributes( enumDecl->get_attributes() ); |
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| 307 | |
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| 308 | output << enumDecl->get_name(); |
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| 309 | |
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| 310 | if ( ! memb.empty() ) { |
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| 311 | output << " {" << endl; |
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| 312 | |
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| 313 | ++indent; |
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| 314 | for ( std::list< Declaration* >::iterator i = memb.begin(); i != memb.end(); i++) { |
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| 315 | ObjectDecl * obj = dynamic_cast< ObjectDecl* >( *i ); |
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| 316 | assert( obj ); |
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| 317 | output << indent << mangleName( obj ); |
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| 318 | if ( obj->get_init() ) { |
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| 319 | output << " = "; |
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| 320 | obj->get_init()->accept( *visitor ); |
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| 321 | } // if |
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| 322 | output << "," << endl; |
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| 323 | } // for |
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[f7cb0bc] | 324 | --indent; |
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[cda48b6] | 325 | output << indent << "}"; |
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[4390fb6] | 326 | } // if |
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[51587aa] | 327 | } // if |
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| 328 | } |
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[71f4e4f] | 329 | |
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[9857e8d] | 330 | void CodeGenerator::postvisit( TraitDecl * traitDecl ) { |
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[42a36d9] | 331 | assertf( ! options.genC, "TraitDecls should not reach code generation." ); |
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[a984e65] | 332 | extension( traitDecl ); |
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| 333 | handleAggregate( traitDecl, "trait " ); |
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| 334 | } |
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[71f4e4f] | 335 | |
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[9857e8d] | 336 | void CodeGenerator::postvisit( TypedefDecl * typeDecl ) { |
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[42a36d9] | 337 | assertf( ! options.genC, "Typedefs are removed and substituted in earlier passes." ); |
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[e39241b] | 338 | output << "typedef "; |
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[42a36d9] | 339 | output << genType( typeDecl->get_base(), typeDecl->get_name(), options ) << endl; |
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[51587aa] | 340 | } |
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[71f4e4f] | 341 | |
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[9857e8d] | 342 | void CodeGenerator::postvisit( TypeDecl * typeDecl ) { |
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[42a36d9] | 343 | assertf( ! options.genC, "TypeDecls should not reach code generation." ); |
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[ab4bff5] | 344 | output << typeDecl->genTypeString() << " " << typeDecl->name; |
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[f0ecf9b] | 345 | if ( typeDecl->sized ) { |
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[ab4bff5] | 346 | output << " | sized(" << typeDecl->name << ")"; |
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[a0c7dc36] | 347 | } |
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[ab4bff5] | 348 | if ( ! typeDecl->assertions.empty() ) { |
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[a0c7dc36] | 349 | output << " | { "; |
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[ab4bff5] | 350 | for ( DeclarationWithType * assert : typeDecl->assertions ) { |
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| 351 | assert->accept( *visitor ); |
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| 352 | output << "; "; |
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| 353 | } |
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[a0c7dc36] | 354 | output << " }"; |
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[e39241b] | 355 | } |
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[51587aa] | 356 | } |
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| 357 | |
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[92fea32] | 358 | void CodeGenerator::postvisit( StaticAssertDecl * assertDecl ) { |
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| 359 | output << "_Static_assert("; |
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| 360 | assertDecl->condition->accept( *visitor ); |
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| 361 | output << ", "; |
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| 362 | assertDecl->message->accept( *visitor ); |
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| 363 | output << ")"; |
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| 364 | } |
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| 365 | |
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[9857e8d] | 366 | void CodeGenerator::postvisit( Designation * designation ) { |
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[e4d829b] | 367 | std::list< Expression * > designators = designation->get_designators(); |
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[e45215c] | 368 | if ( designators.size() == 0 ) return; |
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[e4d829b] | 369 | for ( Expression * des : designators ) { |
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[62423350] | 370 | if ( dynamic_cast< NameExpr * >( des ) || dynamic_cast< VariableExpr * >( des ) ) { |
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| 371 | // if expression is a NameExpr or VariableExpr, then initializing aggregate member |
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| 372 | output << "."; |
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[9857e8d] | 373 | des->accept( *visitor ); |
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[e4d829b] | 374 | } else { |
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[3e54399] | 375 | // otherwise, it has to be a ConstantExpr or CastExpr, initializing array element |
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[62423350] | 376 | output << "["; |
---|
[9857e8d] | 377 | des->accept( *visitor ); |
---|
[62423350] | 378 | output << "]"; |
---|
[3778cb2] | 379 | } // if |
---|
| 380 | } // for |
---|
[3eb1653] | 381 | output << " = "; |
---|
[e45215c] | 382 | } |
---|
| 383 | |
---|
[9857e8d] | 384 | void CodeGenerator::postvisit( SingleInit * init ) { |
---|
| 385 | init->get_value()->accept( *visitor ); |
---|
[51587aa] | 386 | } |
---|
| 387 | |
---|
[9857e8d] | 388 | void CodeGenerator::postvisit( ListInit * init ) { |
---|
[e4d829b] | 389 | auto initBegin = init->begin(); |
---|
| 390 | auto initEnd = init->end(); |
---|
| 391 | auto desigBegin = init->get_designations().begin(); |
---|
| 392 | auto desigEnd = init->get_designations().end(); |
---|
| 393 | |
---|
[6c4ff37] | 394 | output << "{ "; |
---|
[e4d829b] | 395 | for ( ; initBegin != initEnd && desigBegin != desigEnd; ) { |
---|
[9857e8d] | 396 | (*desigBegin)->accept( *visitor ); |
---|
| 397 | (*initBegin)->accept( *visitor ); |
---|
[e4d829b] | 398 | ++initBegin, ++desigBegin; |
---|
| 399 | if ( initBegin != initEnd ) { |
---|
| 400 | output << ", "; |
---|
| 401 | } |
---|
| 402 | } |
---|
[6c4ff37] | 403 | output << " }"; |
---|
[e4d829b] | 404 | assertf( initBegin == initEnd && desigBegin == desigEnd, "Initializers and designators not the same length. %s", toString( init ).c_str() ); |
---|
[51587aa] | 405 | } |
---|
| 406 | |
---|
[d22e90f] | 407 | void CodeGenerator::postvisit( ConstructorInit * init ){ |
---|
[42a36d9] | 408 | assertf( ! options.genC, "ConstructorInit nodes should not reach code generation." ); |
---|
[e6cee92] | 409 | // pseudo-output for constructor/destructor pairs |
---|
[d22e90f] | 410 | output << "<ctorinit>{" << endl << ++indent << "ctor: "; |
---|
[9857e8d] | 411 | maybeAccept( init->get_ctor(), *visitor ); |
---|
[d22e90f] | 412 | output << ", " << endl << indent << "dtor: "; |
---|
[9857e8d] | 413 | maybeAccept( init->get_dtor(), *visitor ); |
---|
[d22e90f] | 414 | output << endl << --indent << "}"; |
---|
[fc638d2] | 415 | } |
---|
| 416 | |
---|
[9857e8d] | 417 | void CodeGenerator::postvisit( Constant * constant ) { |
---|
[d7312ac] | 418 | output << constant->get_value(); |
---|
[51587aa] | 419 | } |
---|
| 420 | |
---|
[4810867] | 421 | // *** Expressions |
---|
[9857e8d] | 422 | void CodeGenerator::postvisit( ApplicationExpr * applicationExpr ) { |
---|
[e04ef3a] | 423 | extension( applicationExpr ); |
---|
[8688ce1] | 424 | if ( VariableExpr * varExpr = dynamic_cast< VariableExpr* >( applicationExpr->get_function() ) ) { |
---|
[60a8062] | 425 | const OperatorInfo * opInfo; |
---|
| 426 | if ( varExpr->get_var()->get_linkage() == LinkageSpec::Intrinsic && ( opInfo = operatorLookup( varExpr->get_var()->get_name() ) ) ) { |
---|
[51587aa] | 427 | std::list< Expression* >::iterator arg = applicationExpr->get_args().begin(); |
---|
[60a8062] | 428 | switch ( opInfo->type ) { |
---|
[51587aa] | 429 | case OT_INDEX: |
---|
| 430 | assert( applicationExpr->get_args().size() == 2 ); |
---|
[9857e8d] | 431 | (*arg++)->accept( *visitor ); |
---|
[6c4ff37] | 432 | output << "["; |
---|
[9857e8d] | 433 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 434 | output << "]"; |
---|
[51587aa] | 435 | break; |
---|
[71f4e4f] | 436 | |
---|
[51587aa] | 437 | case OT_CALL: |
---|
[356189a] | 438 | // there are no intrinsic definitions of the function call operator |
---|
[51587aa] | 439 | assert( false ); |
---|
| 440 | break; |
---|
[71f4e4f] | 441 | |
---|
[f1e012b] | 442 | case OT_CTOR: |
---|
[c2ce2350] | 443 | case OT_DTOR: |
---|
[356189a] | 444 | if ( applicationExpr->get_args().size() == 1 ) { |
---|
[8e9cbb2] | 445 | // the expression fed into a single parameter constructor or destructor may contain side |
---|
| 446 | // effects, so must still output this expression |
---|
[64071c2] | 447 | output << "("; |
---|
[9857e8d] | 448 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 449 | output << ") /* " << opInfo->inputName << " */"; |
---|
[356189a] | 450 | } else if ( applicationExpr->get_args().size() == 2 ) { |
---|
[c2ce2350] | 451 | // intrinsic two parameter constructors are essentially bitwise assignment |
---|
[356189a] | 452 | output << "("; |
---|
[9857e8d] | 453 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 454 | output << opInfo->symbol; |
---|
[9857e8d] | 455 | (*arg)->accept( *visitor ); |
---|
[60a8062] | 456 | output << ") /* " << opInfo->inputName << " */"; |
---|
[356189a] | 457 | } else { |
---|
[c2ce2350] | 458 | // no constructors with 0 or more than 2 parameters |
---|
[356189a] | 459 | assert( false ); |
---|
[8688ce1] | 460 | } // if |
---|
[356189a] | 461 | break; |
---|
[f1e012b] | 462 | |
---|
[51587aa] | 463 | case OT_PREFIX: |
---|
| 464 | case OT_PREFIXASSIGN: |
---|
| 465 | assert( applicationExpr->get_args().size() == 1 ); |
---|
[6c4ff37] | 466 | output << "("; |
---|
[60a8062] | 467 | output << opInfo->symbol; |
---|
[9857e8d] | 468 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 469 | output << ")"; |
---|
[51587aa] | 470 | break; |
---|
[71f4e4f] | 471 | |
---|
[51587aa] | 472 | case OT_POSTFIX: |
---|
| 473 | case OT_POSTFIXASSIGN: |
---|
| 474 | assert( applicationExpr->get_args().size() == 1 ); |
---|
[9857e8d] | 475 | (*arg)->accept( *visitor ); |
---|
[60a8062] | 476 | output << opInfo->symbol; |
---|
[51587aa] | 477 | break; |
---|
| 478 | |
---|
[f1e012b] | 479 | |
---|
[51587aa] | 480 | case OT_INFIX: |
---|
| 481 | case OT_INFIXASSIGN: |
---|
| 482 | assert( applicationExpr->get_args().size() == 2 ); |
---|
[6c4ff37] | 483 | output << "("; |
---|
[9857e8d] | 484 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 485 | output << opInfo->symbol; |
---|
[9857e8d] | 486 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 487 | output << ")"; |
---|
[51587aa] | 488 | break; |
---|
[71f4e4f] | 489 | |
---|
[51587aa] | 490 | case OT_CONSTANT: |
---|
[721f17a] | 491 | case OT_LABELADDRESS: |
---|
| 492 | // there are no intrinsic definitions of 0/1 or label addresses as functions |
---|
[51587aa] | 493 | assert( false ); |
---|
[3778cb2] | 494 | } // switch |
---|
[9d55ff6] | 495 | } else if( varExpr->get_var()->get_linkage() == LinkageSpec::BuiltinCFA && varExpr->get_var()->get_name() == "intptr" ) { |
---|
| 496 | // THIS is a hack to make it a constant until a proper constexpr solution is created |
---|
| 497 | output << "((void*)"; |
---|
| 498 | std::list< Expression* >::iterator arg = applicationExpr->get_args().begin(); |
---|
| 499 | (*arg++)->accept( *visitor ); |
---|
| 500 | output << ")"; |
---|
[17cd4eb] | 501 | } else { |
---|
[9857e8d] | 502 | varExpr->accept( *visitor ); |
---|
[6c4ff37] | 503 | output << "("; |
---|
[51587aa] | 504 | genCommaList( applicationExpr->get_args().begin(), applicationExpr->get_args().end() ); |
---|
[6c4ff37] | 505 | output << ")"; |
---|
[17cd4eb] | 506 | } // if |
---|
[51587aa] | 507 | } else { |
---|
[9857e8d] | 508 | applicationExpr->get_function()->accept( *visitor ); |
---|
[6c4ff37] | 509 | output << "("; |
---|
[51587aa] | 510 | genCommaList( applicationExpr->get_args().begin(), applicationExpr->get_args().end() ); |
---|
[6c4ff37] | 511 | output << ")"; |
---|
[51587aa] | 512 | } // if |
---|
| 513 | } |
---|
[71f4e4f] | 514 | |
---|
[9857e8d] | 515 | void CodeGenerator::postvisit( UntypedExpr * untypedExpr ) { |
---|
[e04ef3a] | 516 | extension( untypedExpr ); |
---|
[22bc276] | 517 | if ( NameExpr * nameExpr = dynamic_cast< NameExpr* >( untypedExpr->function ) ) { |
---|
[60a8062] | 518 | const OperatorInfo * opInfo = operatorLookup( nameExpr->name ); |
---|
| 519 | if ( opInfo ) { |
---|
[22bc276] | 520 | std::list< Expression* >::iterator arg = untypedExpr->args.begin(); |
---|
[60a8062] | 521 | switch ( opInfo->type ) { |
---|
[51587aa] | 522 | case OT_INDEX: |
---|
[22bc276] | 523 | assert( untypedExpr->args.size() == 2 ); |
---|
[9857e8d] | 524 | (*arg++)->accept( *visitor ); |
---|
[6c4ff37] | 525 | output << "["; |
---|
[9857e8d] | 526 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 527 | output << "]"; |
---|
[51587aa] | 528 | break; |
---|
[71f4e4f] | 529 | |
---|
[51587aa] | 530 | case OT_CALL: |
---|
[f1e012b] | 531 | assert( false ); |
---|
| 532 | |
---|
[c2ce2350] | 533 | case OT_CTOR: |
---|
| 534 | case OT_DTOR: |
---|
[22bc276] | 535 | if ( untypedExpr->args.size() == 1 ) { |
---|
[8e9cbb2] | 536 | // the expression fed into a single parameter constructor or destructor may contain side |
---|
| 537 | // effects, so must still output this expression |
---|
[64071c2] | 538 | output << "("; |
---|
[9857e8d] | 539 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 540 | output << ") /* " << opInfo->inputName << " */"; |
---|
[c2ce2350] | 541 | } else if ( untypedExpr->get_args().size() == 2 ) { |
---|
| 542 | // intrinsic two parameter constructors are essentially bitwise assignment |
---|
| 543 | output << "("; |
---|
[9857e8d] | 544 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 545 | output << opInfo->symbol; |
---|
[9857e8d] | 546 | (*arg)->accept( *visitor ); |
---|
[60a8062] | 547 | output << ") /* " << opInfo->inputName << " */"; |
---|
[c2ce2350] | 548 | } else { |
---|
| 549 | // no constructors with 0 or more than 2 parameters |
---|
[42a36d9] | 550 | assertf( ! options.genC, "UntypedExpr constructor/destructor with 0 or more than 2 parameters." ); |
---|
[4e8949f] | 551 | output << "("; |
---|
| 552 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 553 | output << opInfo->symbol << "{ "; |
---|
[22bc276] | 554 | genCommaList( arg, untypedExpr->args.end() ); |
---|
[60a8062] | 555 | output << "}) /* " << opInfo->inputName << " */"; |
---|
[3778cb2] | 556 | } // if |
---|
[51587aa] | 557 | break; |
---|
[71f4e4f] | 558 | |
---|
[51587aa] | 559 | case OT_PREFIX: |
---|
| 560 | case OT_PREFIXASSIGN: |
---|
[de62360d] | 561 | case OT_LABELADDRESS: |
---|
[22bc276] | 562 | assert( untypedExpr->args.size() == 1 ); |
---|
[6c4ff37] | 563 | output << "("; |
---|
[60a8062] | 564 | output << opInfo->symbol; |
---|
[9857e8d] | 565 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 566 | output << ")"; |
---|
[51587aa] | 567 | break; |
---|
[71f4e4f] | 568 | |
---|
[51587aa] | 569 | case OT_POSTFIX: |
---|
| 570 | case OT_POSTFIXASSIGN: |
---|
[22bc276] | 571 | assert( untypedExpr->args.size() == 1 ); |
---|
[9857e8d] | 572 | (*arg)->accept( *visitor ); |
---|
[60a8062] | 573 | output << opInfo->symbol; |
---|
[51587aa] | 574 | break; |
---|
[71f4e4f] | 575 | |
---|
[51587aa] | 576 | case OT_INFIX: |
---|
| 577 | case OT_INFIXASSIGN: |
---|
[22bc276] | 578 | assert( untypedExpr->args.size() == 2 ); |
---|
[6c4ff37] | 579 | output << "("; |
---|
[9857e8d] | 580 | (*arg++)->accept( *visitor ); |
---|
[60a8062] | 581 | output << opInfo->symbol; |
---|
[9857e8d] | 582 | (*arg)->accept( *visitor ); |
---|
[6c4ff37] | 583 | output << ")"; |
---|
[51587aa] | 584 | break; |
---|
[71f4e4f] | 585 | |
---|
[51587aa] | 586 | case OT_CONSTANT: |
---|
| 587 | // there are no intrinsic definitions of 0 or 1 as functions |
---|
| 588 | assert( false ); |
---|
[3778cb2] | 589 | } // switch |
---|
[51587aa] | 590 | } else { |
---|
[22bc276] | 591 | // builtin routines |
---|
| 592 | nameExpr->accept( *visitor ); |
---|
| 593 | output << "("; |
---|
| 594 | genCommaList( untypedExpr->args.begin(), untypedExpr->args.end() ); |
---|
| 595 | output << ")"; |
---|
[51587aa] | 596 | } // if |
---|
| 597 | } else { |
---|
[22bc276] | 598 | untypedExpr->function->accept( *visitor ); |
---|
[6c4ff37] | 599 | output << "("; |
---|
[22bc276] | 600 | genCommaList( untypedExpr->args.begin(), untypedExpr->args.end() ); |
---|
[6c4ff37] | 601 | output << ")"; |
---|
[51587aa] | 602 | } // if |
---|
| 603 | } |
---|
[71f4e4f] | 604 | |
---|
[9857e8d] | 605 | void CodeGenerator::postvisit( RangeExpr * rangeExpr ) { |
---|
[22bc276] | 606 | rangeExpr->low->accept( *visitor ); |
---|
[064e3ff] | 607 | output << " ... "; |
---|
[22bc276] | 608 | rangeExpr->high->accept( *visitor ); |
---|
[064e3ff] | 609 | } |
---|
| 610 | |
---|
[9857e8d] | 611 | void CodeGenerator::postvisit( NameExpr * nameExpr ) { |
---|
[e04ef3a] | 612 | extension( nameExpr ); |
---|
[60a8062] | 613 | const OperatorInfo * opInfo = operatorLookup( nameExpr->name ); |
---|
| 614 | if ( opInfo ) { |
---|
| 615 | if ( opInfo->type == OT_CONSTANT ) { |
---|
| 616 | output << opInfo->symbol; |
---|
[5ea7a22] | 617 | } else { |
---|
[60a8062] | 618 | output << opInfo->outputName; |
---|
[5ea7a22] | 619 | } |
---|
[51587aa] | 620 | } else { |
---|
[6c4ff37] | 621 | output << nameExpr->get_name(); |
---|
[51587aa] | 622 | } // if |
---|
| 623 | } |
---|
[71f4e4f] | 624 | |
---|
[6e50a6b] | 625 | void CodeGenerator::postvisit( DimensionExpr * dimensionExpr ) { |
---|
| 626 | extension( dimensionExpr ); |
---|
| 627 | output << "/*non-type*/" << dimensionExpr->get_name(); |
---|
| 628 | } |
---|
| 629 | |
---|
[9857e8d] | 630 | void CodeGenerator::postvisit( AddressExpr * addressExpr ) { |
---|
[e04ef3a] | 631 | extension( addressExpr ); |
---|
[6c4ff37] | 632 | output << "(&"; |
---|
[9857e8d] | 633 | addressExpr->arg->accept( *visitor ); |
---|
[6c4ff37] | 634 | output << ")"; |
---|
[51587aa] | 635 | } |
---|
| 636 | |
---|
[9857e8d] | 637 | void CodeGenerator::postvisit( LabelAddressExpr *addressExpr ) { |
---|
[5809461] | 638 | extension( addressExpr ); |
---|
| 639 | output << "(&&" << addressExpr->arg << ")"; |
---|
| 640 | } |
---|
| 641 | |
---|
[9857e8d] | 642 | void CodeGenerator::postvisit( CastExpr * castExpr ) { |
---|
[e04ef3a] | 643 | extension( castExpr ); |
---|
[803deb1] | 644 | output << "("; |
---|
[906e24d] | 645 | if ( castExpr->get_result()->isVoid() ) { |
---|
[d7312ac] | 646 | output << "(void)"; |
---|
[d104b02] | 647 | } else { |
---|
| 648 | // at least one result type of cast. |
---|
| 649 | // Note: previously, lvalue casts were skipped. Since it's now impossible for the user to write |
---|
| 650 | // an lvalue cast, this has been taken out. |
---|
[803deb1] | 651 | output << "("; |
---|
[42a36d9] | 652 | output << genType( castExpr->get_result(), "", options ); |
---|
[71f4e4f] | 653 | output << ")"; |
---|
[3778cb2] | 654 | } // if |
---|
[da9d79b] | 655 | castExpr->arg->accept( *visitor ); |
---|
| 656 | output << ")"; |
---|
| 657 | } |
---|
| 658 | |
---|
| 659 | void CodeGenerator::postvisit( KeywordCastExpr * castExpr ) { |
---|
[42a36d9] | 660 | assertf( ! options.genC, "KeywordCast should not reach code generation." ); |
---|
[da9d79b] | 661 | extension( castExpr ); |
---|
| 662 | output << "((" << castExpr->targetString() << " &)"; |
---|
| 663 | castExpr->arg->accept( *visitor ); |
---|
[803deb1] | 664 | output << ")"; |
---|
[51587aa] | 665 | } |
---|
[71f4e4f] | 666 | |
---|
[9857e8d] | 667 | void CodeGenerator::postvisit( VirtualCastExpr * castExpr ) { |
---|
[42a36d9] | 668 | assertf( ! options.genC, "VirtualCastExpr should not reach code generation." ); |
---|
[a5f0529] | 669 | extension( castExpr ); |
---|
| 670 | output << "(virtual "; |
---|
[9857e8d] | 671 | castExpr->get_arg()->accept( *visitor ); |
---|
[a5f0529] | 672 | output << ")"; |
---|
| 673 | } |
---|
| 674 | |
---|
[9857e8d] | 675 | void CodeGenerator::postvisit( UntypedMemberExpr * memberExpr ) { |
---|
[42a36d9] | 676 | assertf( ! options.genC, "UntypedMemberExpr should not reach code generation." ); |
---|
[e39241b] | 677 | extension( memberExpr ); |
---|
[9857e8d] | 678 | memberExpr->get_aggregate()->accept( *visitor ); |
---|
[5f642e38] | 679 | output << "."; |
---|
[9857e8d] | 680 | memberExpr->get_member()->accept( *visitor ); |
---|
[51587aa] | 681 | } |
---|
[71f4e4f] | 682 | |
---|
[9857e8d] | 683 | void CodeGenerator::postvisit( MemberExpr * memberExpr ) { |
---|
[e04ef3a] | 684 | extension( memberExpr ); |
---|
[9857e8d] | 685 | memberExpr->get_aggregate()->accept( *visitor ); |
---|
[6c4ff37] | 686 | output << "." << mangleName( memberExpr->get_member() ); |
---|
[51587aa] | 687 | } |
---|
[71f4e4f] | 688 | |
---|
[9857e8d] | 689 | void CodeGenerator::postvisit( VariableExpr * variableExpr ) { |
---|
[e04ef3a] | 690 | extension( variableExpr ); |
---|
[60a8062] | 691 | const OperatorInfo * opInfo; |
---|
[b99fd56] | 692 | if( dynamic_cast<ZeroType*>( variableExpr->get_var()->get_type() ) ) { |
---|
| 693 | output << "0"; |
---|
| 694 | } else if ( variableExpr->get_var()->get_linkage() == LinkageSpec::Intrinsic && (opInfo = operatorLookup( variableExpr->get_var()->get_name() )) && opInfo->type == OT_CONSTANT ) { |
---|
[60a8062] | 695 | output << opInfo->symbol; |
---|
[51587aa] | 696 | } else { |
---|
[b99fd56] | 697 | // if (dynamic_cast<EnumInstType *>(variableExpr->get_var()->get_type()) |
---|
[4390fb6] | 698 | // && dynamic_cast<EnumInstType *>(variableExpr->get_var()->get_type())->baseEnum->base) { |
---|
| 699 | // output << '(' <<genType(dynamic_cast<EnumInstType *>(variableExpr->get_var()->get_type())->baseEnum->base, "", options) << ')'; |
---|
| 700 | // } |
---|
[6c4ff37] | 701 | output << mangleName( variableExpr->get_var() ); |
---|
[51587aa] | 702 | } // if |
---|
| 703 | } |
---|
[71f4e4f] | 704 | |
---|
[9857e8d] | 705 | void CodeGenerator::postvisit( ConstantExpr * constantExpr ) { |
---|
[51587aa] | 706 | assert( constantExpr->get_constant() ); |
---|
[e04ef3a] | 707 | extension( constantExpr ); |
---|
[9857e8d] | 708 | constantExpr->get_constant()->accept( *visitor ); |
---|
[51587aa] | 709 | } |
---|
[71f4e4f] | 710 | |
---|
[9857e8d] | 711 | void CodeGenerator::postvisit( SizeofExpr * sizeofExpr ) { |
---|
[e04ef3a] | 712 | extension( sizeofExpr ); |
---|
[6c4ff37] | 713 | output << "sizeof("; |
---|
[51587aa] | 714 | if ( sizeofExpr->get_isType() ) { |
---|
[42a36d9] | 715 | output << genType( sizeofExpr->get_type(), "", options ); |
---|
[51587aa] | 716 | } else { |
---|
[9857e8d] | 717 | sizeofExpr->get_expr()->accept( *visitor ); |
---|
[51587aa] | 718 | } // if |
---|
[6c4ff37] | 719 | output << ")"; |
---|
[51587aa] | 720 | } |
---|
[47534159] | 721 | |
---|
[9857e8d] | 722 | void CodeGenerator::postvisit( AlignofExpr * alignofExpr ) { |
---|
[47534159] | 723 | // use GCC extension to avoid bumping std to C11 |
---|
[8e9cbb2] | 724 | extension( alignofExpr ); |
---|
[47534159] | 725 | output << "__alignof__("; |
---|
[25a054f] | 726 | if ( alignofExpr->get_isType() ) { |
---|
[42a36d9] | 727 | output << genType( alignofExpr->get_type(), "", options ); |
---|
[47534159] | 728 | } else { |
---|
[9857e8d] | 729 | alignofExpr->get_expr()->accept( *visitor ); |
---|
[47534159] | 730 | } // if |
---|
| 731 | output << ")"; |
---|
| 732 | } |
---|
[71f4e4f] | 733 | |
---|
[9857e8d] | 734 | void CodeGenerator::postvisit( UntypedOffsetofExpr * offsetofExpr ) { |
---|
[42a36d9] | 735 | assertf( ! options.genC, "UntypedOffsetofExpr should not reach code generation." ); |
---|
[e39241b] | 736 | output << "offsetof("; |
---|
[42a36d9] | 737 | output << genType( offsetofExpr->get_type(), "", options ); |
---|
[e39241b] | 738 | output << ", " << offsetofExpr->get_member(); |
---|
| 739 | output << ")"; |
---|
[2a4b088] | 740 | } |
---|
| 741 | |
---|
[9857e8d] | 742 | void CodeGenerator::postvisit( OffsetofExpr * offsetofExpr ) { |
---|
[25a054f] | 743 | // use GCC builtin |
---|
| 744 | output << "__builtin_offsetof("; |
---|
[42a36d9] | 745 | output << genType( offsetofExpr->get_type(), "", options ); |
---|
[e551c69] | 746 | output << ", " << mangleName( offsetofExpr->get_member() ); |
---|
[25a054f] | 747 | output << ")"; |
---|
| 748 | } |
---|
[d63eeb0] | 749 | |
---|
[9857e8d] | 750 | void CodeGenerator::postvisit( OffsetPackExpr * offsetPackExpr ) { |
---|
[42a36d9] | 751 | assertf( ! options.genC, "OffsetPackExpr should not reach code generation." ); |
---|
| 752 | output << "__CFA_offsetpack(" << genType( offsetPackExpr->get_type(), "", options ) << ")"; |
---|
[afc1045] | 753 | } |
---|
[70a06f6] | 754 | |
---|
[9857e8d] | 755 | void CodeGenerator::postvisit( LogicalExpr * logicalExpr ) { |
---|
[e04ef3a] | 756 | extension( logicalExpr ); |
---|
[6c4ff37] | 757 | output << "("; |
---|
[9857e8d] | 758 | logicalExpr->get_arg1()->accept( *visitor ); |
---|
[51587aa] | 759 | if ( logicalExpr->get_isAnd() ) { |
---|
[6c4ff37] | 760 | output << " && "; |
---|
[51587aa] | 761 | } else { |
---|
[6c4ff37] | 762 | output << " || "; |
---|
[51587aa] | 763 | } // if |
---|
[9857e8d] | 764 | logicalExpr->get_arg2()->accept( *visitor ); |
---|
[6c4ff37] | 765 | output << ")"; |
---|
[51587aa] | 766 | } |
---|
[71f4e4f] | 767 | |
---|
[9857e8d] | 768 | void CodeGenerator::postvisit( ConditionalExpr * conditionalExpr ) { |
---|
[e04ef3a] | 769 | extension( conditionalExpr ); |
---|
[6c4ff37] | 770 | output << "("; |
---|
[9857e8d] | 771 | conditionalExpr->get_arg1()->accept( *visitor ); |
---|
[6c4ff37] | 772 | output << " ? "; |
---|
[9857e8d] | 773 | conditionalExpr->get_arg2()->accept( *visitor ); |
---|
[6c4ff37] | 774 | output << " : "; |
---|
[9857e8d] | 775 | conditionalExpr->get_arg3()->accept( *visitor ); |
---|
[6c4ff37] | 776 | output << ")"; |
---|
[51587aa] | 777 | } |
---|
[71f4e4f] | 778 | |
---|
[9857e8d] | 779 | void CodeGenerator::postvisit( CommaExpr * commaExpr ) { |
---|
[e04ef3a] | 780 | extension( commaExpr ); |
---|
[6c4ff37] | 781 | output << "("; |
---|
[42a36d9] | 782 | if ( options.genC ) { |
---|
[8a6cf7e] | 783 | // arg1 of a CommaExpr is never used, so it can be safely cast to void to reduce gcc warnings. |
---|
| 784 | commaExpr->set_arg1( new CastExpr( commaExpr->get_arg1() ) ); |
---|
| 785 | } |
---|
[9857e8d] | 786 | commaExpr->get_arg1()->accept( *visitor ); |
---|
[6c4ff37] | 787 | output << " , "; |
---|
[9857e8d] | 788 | commaExpr->get_arg2()->accept( *visitor ); |
---|
[6c4ff37] | 789 | output << ")"; |
---|
[51587aa] | 790 | } |
---|
[71f4e4f] | 791 | |
---|
[9857e8d] | 792 | void CodeGenerator::postvisit( TupleAssignExpr * tupleExpr ) { |
---|
[42a36d9] | 793 | assertf( ! options.genC, "TupleAssignExpr should not reach code generation." ); |
---|
[9857e8d] | 794 | tupleExpr->stmtExpr->accept( *visitor ); |
---|
[d104b02] | 795 | } |
---|
| 796 | |
---|
[9857e8d] | 797 | void CodeGenerator::postvisit( UntypedTupleExpr * tupleExpr ) { |
---|
[42a36d9] | 798 | assertf( ! options.genC, "UntypedTupleExpr should not reach code generation." ); |
---|
[f975c65] | 799 | extension( tupleExpr ); |
---|
[e39241b] | 800 | output << "["; |
---|
| 801 | genCommaList( tupleExpr->get_exprs().begin(), tupleExpr->get_exprs().end() ); |
---|
| 802 | output << "]"; |
---|
| 803 | } |
---|
[907eccb] | 804 | |
---|
[9857e8d] | 805 | void CodeGenerator::postvisit( TupleExpr * tupleExpr ) { |
---|
[42a36d9] | 806 | assertf( ! options.genC, "TupleExpr should not reach code generation." ); |
---|
[f975c65] | 807 | extension( tupleExpr ); |
---|
[e39241b] | 808 | output << "["; |
---|
| 809 | genCommaList( tupleExpr->get_exprs().begin(), tupleExpr->get_exprs().end() ); |
---|
| 810 | output << "]"; |
---|
| 811 | } |
---|
[71f4e4f] | 812 | |
---|
[9857e8d] | 813 | void CodeGenerator::postvisit( TupleIndexExpr * tupleExpr ) { |
---|
[42a36d9] | 814 | assertf( ! options.genC, "TupleIndexExpr should not reach code generation." ); |
---|
[f975c65] | 815 | extension( tupleExpr ); |
---|
[9857e8d] | 816 | tupleExpr->get_tuple()->accept( *visitor ); |
---|
[f975c65] | 817 | output << "." << tupleExpr->get_index(); |
---|
| 818 | } |
---|
| 819 | |
---|
[9857e8d] | 820 | void CodeGenerator::postvisit( TypeExpr * typeExpr ) { |
---|
[42a36d9] | 821 | // if ( options.genC ) std::cerr << "typeexpr still exists: " << typeExpr << std::endl; |
---|
| 822 | // assertf( ! options.genC, "TypeExpr should not reach code generation." ); |
---|
| 823 | if ( ! options.genC ) { |
---|
| 824 | output << genType( typeExpr->get_type(), "", options ); |
---|
[e4d829b] | 825 | } |
---|
[e39241b] | 826 | } |
---|
[2b6c1e0] | 827 | |
---|
[9857e8d] | 828 | void CodeGenerator::postvisit( AsmExpr * asmExpr ) { |
---|
[665f432] | 829 | if ( !asmExpr->inout.empty() ) { |
---|
[7f5566b] | 830 | output << "[ "; |
---|
[665f432] | 831 | output << asmExpr->inout; |
---|
[7f5566b] | 832 | output << " ] "; |
---|
| 833 | } // if |
---|
[665f432] | 834 | asmExpr->constraint->accept( *visitor ); |
---|
[7f5566b] | 835 | output << " ( "; |
---|
[665f432] | 836 | asmExpr->operand->accept( *visitor ); |
---|
[7f5566b] | 837 | output << " )"; |
---|
| 838 | } |
---|
| 839 | |
---|
[9857e8d] | 840 | void CodeGenerator::postvisit( CompoundLiteralExpr *compLitExpr ) { |
---|
[fbcde64] | 841 | assert( compLitExpr->get_result() && dynamic_cast< ListInit * > ( compLitExpr->get_initializer() ) ); |
---|
[42a36d9] | 842 | output << "(" << genType( compLitExpr->get_result(), "", options ) << ")"; |
---|
[9857e8d] | 843 | compLitExpr->get_initializer()->accept( *visitor ); |
---|
[3c13c03] | 844 | } |
---|
| 845 | |
---|
[9857e8d] | 846 | void CodeGenerator::postvisit( UniqueExpr * unqExpr ) { |
---|
[42a36d9] | 847 | assertf( ! options.genC, "Unique expressions should not reach code generation." ); |
---|
[d104b02] | 848 | output << "unq<" << unqExpr->get_id() << ">{ "; |
---|
[9857e8d] | 849 | unqExpr->get_expr()->accept( *visitor ); |
---|
[d104b02] | 850 | output << " }"; |
---|
| 851 | } |
---|
| 852 | |
---|
[9857e8d] | 853 | void CodeGenerator::postvisit( StmtExpr * stmtExpr ) { |
---|
[44b4114] | 854 | std::list< Statement * > & stmts = stmtExpr->statements->kids; |
---|
[d22e90f] | 855 | output << "({" << endl; |
---|
[f7cb0bc] | 856 | ++indent; |
---|
[3c13c03] | 857 | unsigned int numStmts = stmts.size(); |
---|
| 858 | unsigned int i = 0; |
---|
| 859 | for ( Statement * stmt : stmts ) { |
---|
[058f549] | 860 | output << indent << printLabels( stmt->get_labels() ); |
---|
[3c13c03] | 861 | if ( i+1 == numStmts ) { |
---|
| 862 | // last statement in a statement expression needs to be handled specially - |
---|
| 863 | // cannot cast to void, otherwise the expression statement has no value |
---|
| 864 | if ( ExprStmt * exprStmt = dynamic_cast< ExprStmt * >( stmt ) ) { |
---|
[44b4114] | 865 | exprStmt->expr->accept( *visitor ); |
---|
[3c13c03] | 866 | output << ";" << endl; |
---|
| 867 | ++i; |
---|
| 868 | break; |
---|
| 869 | } |
---|
| 870 | } |
---|
[9857e8d] | 871 | stmt->accept( *visitor ); |
---|
[3c13c03] | 872 | output << endl; |
---|
| 873 | if ( wantSpacing( stmt ) ) { |
---|
| 874 | output << endl; |
---|
| 875 | } // if |
---|
| 876 | ++i; |
---|
| 877 | } |
---|
[f7cb0bc] | 878 | --indent; |
---|
[3c13c03] | 879 | output << indent << "})"; |
---|
[6eb8948] | 880 | } |
---|
| 881 | |
---|
[4e8949f] | 882 | void CodeGenerator::postvisit( ConstructorExpr * expr ) { |
---|
[42a36d9] | 883 | assertf( ! options.genC, "Unique expressions should not reach code generation." ); |
---|
[4e8949f] | 884 | expr->callExpr->accept( *visitor ); |
---|
| 885 | } |
---|
| 886 | |
---|
[44b4114] | 887 | void CodeGenerator::postvisit( DeletedExpr * expr ) { |
---|
[42a36d9] | 888 | assertf( ! options.genC, "Deleted expressions should not reach code generation." ); |
---|
[44b4114] | 889 | expr->expr->accept( *visitor ); |
---|
| 890 | } |
---|
| 891 | |
---|
[0f79853] | 892 | void CodeGenerator::postvisit( DefaultArgExpr * arg ) { |
---|
[42a36d9] | 893 | assertf( ! options.genC, "Default argument expressions should not reach code generation." ); |
---|
[0f79853] | 894 | arg->expr->accept( *visitor ); |
---|
| 895 | } |
---|
| 896 | |
---|
[d807ca28] | 897 | void CodeGenerator::postvisit( GenericExpr * expr ) { |
---|
[42a36d9] | 898 | assertf( ! options.genC, "C11 _Generic expressions should not reach code generation." ); |
---|
[d807ca28] | 899 | output << "_Generic("; |
---|
| 900 | expr->control->accept( *visitor ); |
---|
| 901 | output << ", "; |
---|
| 902 | unsigned int numAssocs = expr->associations.size(); |
---|
| 903 | unsigned int i = 0; |
---|
| 904 | for ( GenericExpr::Association & assoc : expr->associations ) { |
---|
| 905 | if (assoc.isDefault) { |
---|
| 906 | output << "default: "; |
---|
| 907 | } else { |
---|
[42a36d9] | 908 | output << genType( assoc.type, "", options ) << ": "; |
---|
[d807ca28] | 909 | } |
---|
| 910 | assoc.expr->accept( *visitor ); |
---|
| 911 | if ( i+1 != numAssocs ) { |
---|
| 912 | output << ", "; |
---|
| 913 | } |
---|
| 914 | i++; |
---|
| 915 | } |
---|
| 916 | output << ")"; |
---|
| 917 | } |
---|
| 918 | |
---|
| 919 | |
---|
[4810867] | 920 | // *** Statements |
---|
[9857e8d] | 921 | void CodeGenerator::postvisit( CompoundStmt * compoundStmt ) { |
---|
[51587aa] | 922 | std::list<Statement*> ks = compoundStmt->get_kids(); |
---|
[2b6c1e0] | 923 | output << "{" << endl; |
---|
[51587aa] | 924 | |
---|
[f7cb0bc] | 925 | ++indent; |
---|
[51587aa] | 926 | |
---|
[7f5566b] | 927 | for ( std::list<Statement *>::iterator i = ks.begin(); i != ks.end(); i++ ) { |
---|
[cda48b6] | 928 | output << indent << printLabels( (*i)->get_labels() ); |
---|
[9857e8d] | 929 | (*i)->accept( *visitor ); |
---|
[2b6c1e0] | 930 | |
---|
[6c4ff37] | 931 | output << endl; |
---|
[2b6c1e0] | 932 | if ( wantSpacing( *i ) ) { |
---|
| 933 | output << endl; |
---|
[3778cb2] | 934 | } // if |
---|
[8688ce1] | 935 | } // for |
---|
[f7cb0bc] | 936 | --indent; |
---|
[51587aa] | 937 | |
---|
[cda48b6] | 938 | output << indent << "}"; |
---|
[51587aa] | 939 | } |
---|
| 940 | |
---|
[9857e8d] | 941 | void CodeGenerator::postvisit( ExprStmt * exprStmt ) { |
---|
[6c4ff37] | 942 | assert( exprStmt ); |
---|
[42a36d9] | 943 | if ( options.genC ) { |
---|
[262f085f] | 944 | // cast the top-level expression to void to reduce gcc warnings. |
---|
[8a6cf7e] | 945 | exprStmt->set_expr( new CastExpr( exprStmt->get_expr() ) ); |
---|
[262f085f] | 946 | } |
---|
[9857e8d] | 947 | exprStmt->get_expr()->accept( *visitor ); |
---|
[3eb1653] | 948 | output << ";"; |
---|
[51587aa] | 949 | } |
---|
| 950 | |
---|
[9857e8d] | 951 | void CodeGenerator::postvisit( AsmStmt * asmStmt ) { |
---|
[7f5566b] | 952 | output << "asm "; |
---|
| 953 | if ( asmStmt->get_voltile() ) output << "volatile "; |
---|
| 954 | if ( ! asmStmt->get_gotolabels().empty() ) output << "goto "; |
---|
| 955 | output << "( "; |
---|
[9857e8d] | 956 | if ( asmStmt->get_instruction() ) asmStmt->get_instruction()->accept( *visitor ); |
---|
[7f5566b] | 957 | output << " : "; |
---|
| 958 | genCommaList( asmStmt->get_output().begin(), asmStmt->get_output().end() ); |
---|
| 959 | output << " : "; |
---|
| 960 | genCommaList( asmStmt->get_input().begin(), asmStmt->get_input().end() ); |
---|
| 961 | output << " : "; |
---|
| 962 | genCommaList( asmStmt->get_clobber().begin(), asmStmt->get_clobber().end() ); |
---|
| 963 | if ( ! asmStmt->get_gotolabels().empty() ) { |
---|
| 964 | output << " : "; |
---|
| 965 | for ( std::list<Label>::iterator begin = asmStmt->get_gotolabels().begin();; ) { |
---|
| 966 | output << *begin++; |
---|
| 967 | if ( begin == asmStmt->get_gotolabels().end() ) break; |
---|
| 968 | output << ", "; |
---|
| 969 | } // for |
---|
| 970 | } // if |
---|
[d7312ac] | 971 | output << " );"; |
---|
[7f5566b] | 972 | } |
---|
| 973 | |
---|
[9857e8d] | 974 | void CodeGenerator::postvisit( AsmDecl * asmDecl ) { |
---|
[e994912] | 975 | output << "asm "; |
---|
| 976 | AsmStmt * asmStmt = asmDecl->get_stmt(); |
---|
| 977 | output << "( "; |
---|
[9857e8d] | 978 | if ( asmStmt->get_instruction() ) asmStmt->get_instruction()->accept( *visitor ); |
---|
[d7312ac] | 979 | output << " )"; |
---|
[e994912] | 980 | } |
---|
| 981 | |
---|
[2d019af] | 982 | void CodeGenerator::postvisit( DirectiveDecl * directiveDecl ) { |
---|
| 983 | output << endl << directiveDecl->get_stmt()->directive; // endl prevents spaces before directive |
---|
| 984 | } |
---|
| 985 | |
---|
[cc32d83] | 986 | void CodeGenerator::postvisit( DirectiveStmt * dirStmt ) { |
---|
[d7312ac] | 987 | output << endl << dirStmt->directive; // endl prevents spaces before directive |
---|
[cc32d83] | 988 | } |
---|
| 989 | |
---|
[9857e8d] | 990 | void CodeGenerator::postvisit( IfStmt * ifStmt ) { |
---|
[7f5566b] | 991 | output << "if ( "; |
---|
[9857e8d] | 992 | ifStmt->get_condition()->accept( *visitor ); |
---|
[7f5566b] | 993 | output << " ) "; |
---|
[51587aa] | 994 | |
---|
[3b0bc16] | 995 | ifStmt->get_then()->accept( *visitor ); |
---|
[51587aa] | 996 | |
---|
[3b0bc16] | 997 | if ( ifStmt->get_else() != 0) { |
---|
[2b6c1e0] | 998 | output << " else "; |
---|
[3b0bc16] | 999 | ifStmt->get_else()->accept( *visitor ); |
---|
[51587aa] | 1000 | } // if |
---|
| 1001 | } |
---|
| 1002 | |
---|
[9857e8d] | 1003 | void CodeGenerator::postvisit( SwitchStmt * switchStmt ) { |
---|
[d7312ac] | 1004 | output << "switch ( "; |
---|
[9857e8d] | 1005 | switchStmt->get_condition()->accept( *visitor ); |
---|
[7f5566b] | 1006 | output << " ) "; |
---|
[71f4e4f] | 1007 | |
---|
[d22e90f] | 1008 | output << "{" << endl; |
---|
[f7cb0bc] | 1009 | ++indent; |
---|
[9857e8d] | 1010 | acceptAll( switchStmt->get_statements(), *visitor ); |
---|
[f7cb0bc] | 1011 | --indent; |
---|
[cda48b6] | 1012 | output << indent << "}"; |
---|
[51587aa] | 1013 | } |
---|
| 1014 | |
---|
[9857e8d] | 1015 | void CodeGenerator::postvisit( CaseStmt * caseStmt ) { |
---|
[8bafacc] | 1016 | updateLocation( caseStmt ); |
---|
[1dcd9554] | 1017 | output << indent; |
---|
[eb3261f] | 1018 | if ( caseStmt->isDefault()) { |
---|
[2b6c1e0] | 1019 | output << "default"; |
---|
[eb3261f] | 1020 | } else { |
---|
[2b6c1e0] | 1021 | output << "case "; |
---|
[9857e8d] | 1022 | caseStmt->get_condition()->accept( *visitor ); |
---|
[17cd4eb] | 1023 | } // if |
---|
[d22e90f] | 1024 | output << ":" << endl; |
---|
[71f4e4f] | 1025 | |
---|
[51587aa] | 1026 | std::list<Statement *> sts = caseStmt->get_statements(); |
---|
| 1027 | |
---|
[f7cb0bc] | 1028 | ++indent; |
---|
[51587aa] | 1029 | for ( std::list<Statement *>::iterator i = sts.begin(); i != sts.end(); i++) { |
---|
[d7312ac] | 1030 | output << indent << printLabels( (*i)->get_labels() ) ; |
---|
[9857e8d] | 1031 | (*i)->accept( *visitor ); |
---|
[6c4ff37] | 1032 | output << endl; |
---|
[3778cb2] | 1033 | } // for |
---|
[f7cb0bc] | 1034 | --indent; |
---|
[51587aa] | 1035 | } |
---|
| 1036 | |
---|
[9857e8d] | 1037 | void CodeGenerator::postvisit( BranchStmt * branchStmt ) { |
---|
[51587aa] | 1038 | switch ( branchStmt->get_type()) { |
---|
| 1039 | case BranchStmt::Goto: |
---|
| 1040 | if ( ! branchStmt->get_target().empty() ) |
---|
[6c4ff37] | 1041 | output << "goto " << branchStmt->get_target(); |
---|
[71f4e4f] | 1042 | else { |
---|
[51587aa] | 1043 | if ( branchStmt->get_computedTarget() != 0 ) { |
---|
[6c4ff37] | 1044 | output << "goto *"; |
---|
[9857e8d] | 1045 | branchStmt->get_computedTarget()->accept( *visitor ); |
---|
[51587aa] | 1046 | } // if |
---|
| 1047 | } // if |
---|
| 1048 | break; |
---|
| 1049 | case BranchStmt::Break: |
---|
[6c4ff37] | 1050 | output << "break"; |
---|
[51587aa] | 1051 | break; |
---|
| 1052 | case BranchStmt::Continue: |
---|
[6c4ff37] | 1053 | output << "continue"; |
---|
[51587aa] | 1054 | break; |
---|
[7c2a7b6] | 1055 | case BranchStmt::FallThrough: |
---|
| 1056 | case BranchStmt::FallThroughDefault: |
---|
[42a36d9] | 1057 | assertf( ! options.genC, "fallthru should not reach code generation." ); |
---|
[60a8062] | 1058 | output << "fallthru"; |
---|
[7c2a7b6] | 1059 | break; |
---|
[6180274] | 1060 | default: ; // prevent warning |
---|
[3778cb2] | 1061 | } // switch |
---|
[7c2a7b6] | 1062 | // print branch target for labelled break/continue/fallthru in debug mode |
---|
[42a36d9] | 1063 | if ( ! options.genC && branchStmt->get_type() != BranchStmt::Goto ) { |
---|
[7c2a7b6] | 1064 | if ( ! branchStmt->get_target().empty() ) { |
---|
| 1065 | output << " " << branchStmt->get_target(); |
---|
| 1066 | } else if ( branchStmt->get_type() == BranchStmt::FallThrough ) { |
---|
| 1067 | output << " default"; |
---|
| 1068 | } |
---|
| 1069 | } |
---|
[2b6c1e0] | 1070 | output << ";"; |
---|
[51587aa] | 1071 | } |
---|
| 1072 | |
---|
[9857e8d] | 1073 | void CodeGenerator::postvisit( ReturnStmt * returnStmt ) { |
---|
[6c4ff37] | 1074 | output << "return "; |
---|
[9857e8d] | 1075 | maybeAccept( returnStmt->get_expr(), *visitor ); |
---|
[6c4ff37] | 1076 | output << ";"; |
---|
[51587aa] | 1077 | } |
---|
| 1078 | |
---|
[9857e8d] | 1079 | void CodeGenerator::postvisit( ThrowStmt * throwStmt ) { |
---|
[42a36d9] | 1080 | assertf( ! options.genC, "Throw statements should not reach code generation." ); |
---|
[daf1af8] | 1081 | |
---|
| 1082 | output << ((throwStmt->get_kind() == ThrowStmt::Terminate) ? |
---|
[60a8062] | 1083 | "throw" : "throwResume"); |
---|
[daf1af8] | 1084 | if (throwStmt->get_expr()) { |
---|
| 1085 | output << " "; |
---|
[9857e8d] | 1086 | throwStmt->get_expr()->accept( *visitor ); |
---|
[daf1af8] | 1087 | } |
---|
| 1088 | if (throwStmt->get_target()) { |
---|
| 1089 | output << " _At "; |
---|
[9857e8d] | 1090 | throwStmt->get_target()->accept( *visitor ); |
---|
[daf1af8] | 1091 | } |
---|
| 1092 | output << ";"; |
---|
| 1093 | } |
---|
[e4ea10b7] | 1094 | void CodeGenerator::postvisit( CatchStmt * stmt ) { |
---|
[42a36d9] | 1095 | assertf( ! options.genC, "Catch statements should not reach code generation." ); |
---|
[e4ea10b7] | 1096 | |
---|
| 1097 | output << ((stmt->get_kind() == CatchStmt::Terminate) ? |
---|
[60a8062] | 1098 | "catch" : "catchResume"); |
---|
[e4ea10b7] | 1099 | output << "( "; |
---|
| 1100 | stmt->decl->accept( *visitor ); |
---|
| 1101 | output << " ) "; |
---|
| 1102 | |
---|
| 1103 | if( stmt->cond ) { |
---|
| 1104 | output << "if/when(?) ("; |
---|
| 1105 | stmt->cond->accept( *visitor ); |
---|
| 1106 | output << ") "; |
---|
| 1107 | } |
---|
| 1108 | stmt->body->accept( *visitor ); |
---|
| 1109 | } |
---|
| 1110 | |
---|
| 1111 | void CodeGenerator::postvisit( WaitForStmt * stmt ) { |
---|
[42a36d9] | 1112 | assertf( ! options.genC, "Waitfor statements should not reach code generation." ); |
---|
[e4ea10b7] | 1113 | |
---|
| 1114 | bool first = true; |
---|
| 1115 | for( auto & clause : stmt->clauses ) { |
---|
| 1116 | if(first) { output << "or "; first = false; } |
---|
| 1117 | if( clause.condition ) { |
---|
| 1118 | output << "when("; |
---|
| 1119 | stmt->timeout.condition->accept( *visitor ); |
---|
| 1120 | output << ") "; |
---|
| 1121 | } |
---|
| 1122 | output << "waitfor("; |
---|
| 1123 | clause.target.function->accept( *visitor ); |
---|
| 1124 | for( Expression * expr : clause.target.arguments ) { |
---|
| 1125 | output << ","; |
---|
| 1126 | expr->accept( *visitor ); |
---|
| 1127 | } |
---|
| 1128 | output << ") "; |
---|
| 1129 | clause.statement->accept( *visitor ); |
---|
| 1130 | } |
---|
| 1131 | |
---|
| 1132 | if( stmt->timeout.statement ) { |
---|
| 1133 | output << "or "; |
---|
| 1134 | if( stmt->timeout.condition ) { |
---|
| 1135 | output << "when("; |
---|
| 1136 | stmt->timeout.condition->accept( *visitor ); |
---|
| 1137 | output << ") "; |
---|
| 1138 | } |
---|
| 1139 | output << "timeout("; |
---|
| 1140 | stmt->timeout.time->accept( *visitor ); |
---|
| 1141 | output << ") "; |
---|
| 1142 | stmt->timeout.statement->accept( *visitor ); |
---|
| 1143 | } |
---|
| 1144 | |
---|
| 1145 | if( stmt->orelse.statement ) { |
---|
| 1146 | output << "or "; |
---|
| 1147 | if( stmt->orelse.condition ) { |
---|
| 1148 | output << "when("; |
---|
| 1149 | stmt->orelse.condition->accept( *visitor ); |
---|
| 1150 | output << ")"; |
---|
| 1151 | } |
---|
| 1152 | output << "else "; |
---|
| 1153 | stmt->orelse.statement->accept( *visitor ); |
---|
| 1154 | } |
---|
| 1155 | } |
---|
| 1156 | |
---|
[55d6e8de] | 1157 | void CodeGenerator::postvisit( WithStmt * with ) { |
---|
[42a36d9] | 1158 | if ( ! options.genC ) { |
---|
[55d6e8de] | 1159 | output << "with ( "; |
---|
| 1160 | genCommaList( with->exprs.begin(), with->exprs.end() ); |
---|
| 1161 | output << " ) "; |
---|
| 1162 | } |
---|
| 1163 | with->stmt->accept( *visitor ); |
---|
| 1164 | } |
---|
[daf1af8] | 1165 | |
---|
[3b0bc16] | 1166 | void CodeGenerator::postvisit( WhileDoStmt * whileDoStmt ) { |
---|
| 1167 | if ( whileDoStmt->get_isDoWhile() ) { |
---|
[d7312ac] | 1168 | output << "do"; |
---|
[321a2481] | 1169 | } else { |
---|
[d7312ac] | 1170 | output << "while ("; |
---|
[3b0bc16] | 1171 | whileDoStmt->get_condition()->accept( *visitor ); |
---|
[6c4ff37] | 1172 | output << ")"; |
---|
[51587aa] | 1173 | } // if |
---|
[2b6c1e0] | 1174 | output << " "; |
---|
[51587aa] | 1175 | |
---|
[3b0bc16] | 1176 | output << CodeGenerator::printLabels( whileDoStmt->get_body()->get_labels() ); |
---|
| 1177 | whileDoStmt->get_body()->accept( *visitor ); |
---|
[51587aa] | 1178 | |
---|
[cda48b6] | 1179 | output << indent; |
---|
[51587aa] | 1180 | |
---|
[3b0bc16] | 1181 | if ( whileDoStmt->get_isDoWhile() ) { |
---|
[d7312ac] | 1182 | output << " while ("; |
---|
[3b0bc16] | 1183 | whileDoStmt->get_condition()->accept( *visitor ); |
---|
[6c4ff37] | 1184 | output << ");"; |
---|
[51587aa] | 1185 | } // if |
---|
| 1186 | } |
---|
| 1187 | |
---|
[9857e8d] | 1188 | void CodeGenerator::postvisit( ForStmt * forStmt ) { |
---|
[8e9cbb2] | 1189 | // initialization is always hoisted, so don't bother doing anything with that |
---|
[145f1fc] | 1190 | output << "for (;"; |
---|
[51587aa] | 1191 | |
---|
[321a2481] | 1192 | if ( forStmt->get_condition() != 0 ) { |
---|
[9857e8d] | 1193 | forStmt->get_condition()->accept( *visitor ); |
---|
[3778cb2] | 1194 | } // if |
---|
[6c4ff37] | 1195 | output << ";"; |
---|
[51587aa] | 1196 | |
---|
[321a2481] | 1197 | if ( forStmt->get_increment() != 0 ) { |
---|
| 1198 | // cast the top-level expression to void to reduce gcc warnings. |
---|
| 1199 | Expression * expr = new CastExpr( forStmt->get_increment() ); |
---|
[9857e8d] | 1200 | expr->accept( *visitor ); |
---|
[3778cb2] | 1201 | } // if |
---|
[2b6c1e0] | 1202 | output << ") "; |
---|
[51587aa] | 1203 | |
---|
| 1204 | if ( forStmt->get_body() != 0 ) { |
---|
[2b6c1e0] | 1205 | output << CodeGenerator::printLabels( forStmt->get_body()->get_labels() ); |
---|
[9857e8d] | 1206 | forStmt->get_body()->accept( *visitor ); |
---|
[51587aa] | 1207 | } // if |
---|
| 1208 | } |
---|
| 1209 | |
---|
[9857e8d] | 1210 | void CodeGenerator::postvisit( __attribute__((unused)) NullStmt * nullStmt ) { |
---|
[cda48b6] | 1211 | //output << indent << CodeGenerator::printLabels( nullStmt->get_labels() ); |
---|
[6c4ff37] | 1212 | output << "/* null statement */ ;"; |
---|
[51587aa] | 1213 | } |
---|
| 1214 | |
---|
[9857e8d] | 1215 | void CodeGenerator::postvisit( DeclStmt * declStmt ) { |
---|
| 1216 | declStmt->get_decl()->accept( *visitor ); |
---|
[71f4e4f] | 1217 | |
---|
[51587aa] | 1218 | if ( doSemicolon( declStmt->get_decl() ) ) { |
---|
[6c4ff37] | 1219 | output << ";"; |
---|
[51587aa] | 1220 | } // if |
---|
| 1221 | } |
---|
| 1222 | |
---|
[9857e8d] | 1223 | void CodeGenerator::postvisit( ImplicitCtorDtorStmt * stmt ) { |
---|
[42a36d9] | 1224 | assertf( ! options.genC, "ImplicitCtorDtorStmts should not reach code generation." ); |
---|
[9857e8d] | 1225 | stmt->callStmt->accept( *visitor ); |
---|
| 1226 | } |
---|
| 1227 | |
---|
[6cebfef] | 1228 | void CodeGenerator::postvisit( MutexStmt * stmt ) { |
---|
| 1229 | assertf( ! options.genC, "ImplicitCtorDtorStmts should not reach code generation." ); |
---|
| 1230 | stmt->stmt->accept( *visitor ); |
---|
| 1231 | } |
---|
| 1232 | |
---|
[dd020c0] | 1233 | void CodeGenerator::handleStorageClass( DeclarationWithType * decl ) { |
---|
[fb04321] | 1234 | if ( decl->get_storageClasses().any() ) { |
---|
[6e8bd43] | 1235 | decl->get_storageClasses().print( output ); |
---|
[a7c90d4] | 1236 | } // if |
---|
[dd020c0] | 1237 | } // CodeGenerator::handleStorageClass |
---|
[9facf3b] | 1238 | |
---|
| 1239 | std::string genName( DeclarationWithType * decl ) { |
---|
[60a8062] | 1240 | const OperatorInfo * opInfo = operatorLookup( decl->get_name() ); |
---|
| 1241 | if ( opInfo ) { |
---|
| 1242 | return opInfo->outputName; |
---|
[9facf3b] | 1243 | } else { |
---|
| 1244 | return decl->get_name(); |
---|
| 1245 | } // if |
---|
| 1246 | } |
---|
[1931bb01] | 1247 | |
---|
| 1248 | std::string genName( ast::DeclWithType const * decl ) { |
---|
| 1249 | if ( const OperatorInfo * opInfo = operatorLookup( decl->name ) ) { |
---|
| 1250 | return opInfo->outputName; |
---|
| 1251 | } else { |
---|
| 1252 | return decl->name; |
---|
| 1253 | } |
---|
| 1254 | } |
---|
| 1255 | |
---|
[51b7345] | 1256 | } // namespace CodeGen |
---|
[51587aa] | 1257 | |
---|
| 1258 | // Local Variables: // |
---|
| 1259 | // tab-width: 4 // |
---|
| 1260 | // mode: c++ // |
---|
| 1261 | // compile-command: "make install" // |
---|
| 1262 | // End: // |
---|