[0dd3a2f] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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[3be261a] | 7 | // Statement.cc -- |
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[0dd3a2f] | 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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[6d49ea3] | 11 | // Last Modified By : Peter A. Buhr |
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[e612146c] | 12 | // Last Modified On : Sun Sep 3 20:46:44 2017 |
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| 13 | // Update Count : 68 |
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[0dd3a2f] | 14 | // |
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| 15 | |
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[ea6332d] | 16 | #include "SynTree/Statement.h" |
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[51b7345] | 17 | |
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[ea6332d] | 18 | #include <stddef.h> // for NULL |
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| 19 | #include <cassert> // for assert, assertf |
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| 20 | #include <iostream> // for operator<<, basic_ostream, endl |
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| 21 | #include <list> // for list, list<>::const_iterator, _Lis... |
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| 22 | #include <string> // for operator<<, string, char_traits |
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| 23 | |
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| 24 | #include "Common/SemanticError.h" // for SemanticError |
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| 25 | #include "Common/utility.h" // for maybeClone, cloneAll, deleteAll |
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| 26 | #include "Declaration.h" // for Declaration |
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| 27 | #include "Expression.h" // for Expression, ConstantExpr |
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| 28 | #include "Statement.h" // for Statement, ForStmt, AsmStmt, Catch... |
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| 29 | #include "SynTree/Label.h" // for Label, operator<< |
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[51b7345] | 30 | |
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| 31 | using std::string; |
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| 32 | using std::endl; |
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| 33 | |
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[ba3706f] | 34 | Statement::Statement( const std::list<Label> & labels ) : labels( labels ) {} |
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[51b7345] | 35 | |
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[50377a4] | 36 | void Statement::print( std::ostream & os, Indenter ) const { |
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| 37 | if ( ! labels.empty() ) { |
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| 38 | os << "Labels: {"; |
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| 39 | for ( const Label & l : labels ) { |
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| 40 | os << l << ","; |
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| 41 | } |
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| 42 | os << "}" << endl; |
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| 43 | } |
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| 44 | } |
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[51b7345] | 45 | |
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[ba3706f] | 46 | ExprStmt::ExprStmt( Expression *expr ) : Statement(), expr( expr ) {} |
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[51b7345] | 47 | |
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[3be261a] | 48 | ExprStmt::ExprStmt( const ExprStmt &other ) : Statement( other ), expr( maybeClone( other.expr ) ) {} |
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| 49 | |
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[50377a4] | 50 | void ExprStmt::print( std::ostream &os, Indenter indent ) const { |
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| 51 | os << "Expression Statement:" << endl << indent+1; |
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| 52 | expr->print( os, indent+1 ); |
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[3be261a] | 53 | } |
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[51b7345] | 54 | |
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[7f5566b] | 55 | |
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[ba3706f] | 56 | AsmStmt::AsmStmt( bool voltile, Expression *instruction, std::list<Expression *> output, std::list<Expression *> input, std::list<ConstantExpr *> clobber, std::list<Label> gotolabels ) : Statement(), voltile( voltile ), instruction( instruction ), output( output ), input( input ), clobber( clobber ), gotolabels( gotolabels ) {} |
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[7f5566b] | 57 | |
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[3be261a] | 58 | AsmStmt::AsmStmt( const AsmStmt & other ) : Statement( other ), voltile( other.voltile ), instruction( maybeClone( other.instruction ) ), gotolabels( other.gotolabels ) { |
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| 59 | cloneAll( other.output, output ); |
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| 60 | cloneAll( other.input, input ); |
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| 61 | cloneAll( other.clobber, clobber ); |
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| 62 | } |
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| 63 | |
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[50377a4] | 64 | void AsmStmt::print( std::ostream &os, Indenter indent ) const { |
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[7f5566b] | 65 | os << "Assembler Statement:" << endl; |
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[50377a4] | 66 | os << indent+1 << "instruction: " << endl << indent; |
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| 67 | instruction->print( os, indent+1 ); |
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[7f5566b] | 68 | if ( ! output.empty() ) { |
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[50377a4] | 69 | os << endl << indent+1 << "output: " << endl; |
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| 70 | printAll( output, os, indent+1 ); |
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[3be261a] | 71 | } // if |
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[7f5566b] | 72 | if ( ! input.empty() ) { |
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[50377a4] | 73 | os << indent+1 << "input: " << endl; |
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| 74 | printAll( input, os, indent+1 ); |
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[7f5566b] | 75 | } // if |
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| 76 | if ( ! clobber.empty() ) { |
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[50377a4] | 77 | os << indent+1 << "clobber: " << endl; |
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| 78 | printAll( clobber, os, indent+1 ); |
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[7f5566b] | 79 | } // if |
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[3be261a] | 80 | } |
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[7f5566b] | 81 | |
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| 82 | |
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[51b7345] | 83 | const char *BranchStmt::brType[] = { "Goto", "Break", "Continue" }; |
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| 84 | |
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[a16764a6] | 85 | BranchStmt::BranchStmt( Label target, Type type ) throw ( SemanticErrorException ) : |
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[ba3706f] | 86 | Statement(), originalTarget( target ), target( target ), computedTarget( nullptr ), type( type ) { |
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[0dd3a2f] | 87 | //actually this is a syntactic error signaled by the parser |
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[b0dfbc4] | 88 | if ( type == BranchStmt::Goto && target.empty() ) { |
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[a16764a6] | 89 | SemanticError( target.get_statement()->location, "goto without target"); |
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[b0dfbc4] | 90 | } |
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[51b7345] | 91 | } |
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| 92 | |
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[a16764a6] | 93 | BranchStmt::BranchStmt( Expression *computedTarget, Type type ) throw ( SemanticErrorException ) : |
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[ba3706f] | 94 | Statement(), computedTarget( computedTarget ), type( type ) { |
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[b0dfbc4] | 95 | if ( type != BranchStmt::Goto || computedTarget == nullptr ) { |
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[a16764a6] | 96 | SemanticError( computedTarget->location, "Computed target not valid in branch statement"); |
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[b0dfbc4] | 97 | } |
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[51b7345] | 98 | } |
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| 99 | |
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[50377a4] | 100 | void BranchStmt::print( std::ostream &os, Indenter indent ) const { |
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| 101 | os << "Branch (" << brType[type] << ")" << endl ; |
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| 102 | if ( target != "" ) os << indent+1 << "with target: " << target << endl; |
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| 103 | if ( originalTarget != "" ) os << indent+1 << "with original target: " << originalTarget << endl; |
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| 104 | if ( computedTarget != nullptr ) os << indent+1 << "with computed target: " << computedTarget << endl; |
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[51b7345] | 105 | } |
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| 106 | |
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[ba3706f] | 107 | ReturnStmt::ReturnStmt( Expression *expr ) : Statement(), expr( expr ) {} |
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[51b7345] | 108 | |
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[daf1af8] | 109 | ReturnStmt::ReturnStmt( const ReturnStmt & other ) : Statement( other ), expr( maybeClone( other.expr ) ) {} |
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[3be261a] | 110 | |
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[50377a4] | 111 | void ReturnStmt::print( std::ostream &os, Indenter indent ) const { |
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| 112 | os << "Return Statement, returning: "; |
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| 113 | if ( expr != nullptr ) { |
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| 114 | os << endl << indent+1; |
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| 115 | expr->print( os, indent+1 ); |
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[89231bc] | 116 | } |
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[0dd3a2f] | 117 | os << endl; |
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[51b7345] | 118 | } |
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| 119 | |
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[ba3706f] | 120 | IfStmt::IfStmt( Expression *condition, Statement *thenPart, Statement *elsePart, std::list<Statement *> initialization ): |
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| 121 | Statement(), condition( condition ), thenPart( thenPart ), elsePart( elsePart ), initialization( initialization ) {} |
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[51b7345] | 122 | |
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[3be261a] | 123 | IfStmt::IfStmt( const IfStmt & other ) : |
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[6d49ea3] | 124 | Statement( other ), condition( maybeClone( other.condition ) ), thenPart( maybeClone( other.thenPart ) ), elsePart( maybeClone( other.elsePart ) ) { |
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| 125 | cloneAll( other.initialization, initialization ); |
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| 126 | } |
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[3be261a] | 127 | |
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[50377a4] | 128 | void IfStmt::print( std::ostream &os, Indenter indent ) const { |
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| 129 | os << "If on condition: " << endl; |
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| 130 | os << indent+1; |
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| 131 | condition->print( os, indent+1 ); |
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[51b7345] | 132 | |
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[6d49ea3] | 133 | if ( !initialization.empty() ) { |
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[50377a4] | 134 | os << indent << "... with initialization: \n"; |
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| 135 | for ( const Statement * stmt : initialization ) { |
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| 136 | os << indent+1; |
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| 137 | stmt->print( os, indent+1 ); |
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[6d49ea3] | 138 | } |
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| 139 | os << endl; |
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| 140 | } |
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| 141 | |
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[50377a4] | 142 | os << indent << "... then: " << endl; |
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[51b7345] | 143 | |
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[50377a4] | 144 | os << indent+1; |
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| 145 | thenPart->print( os, indent+1 ); |
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[51b7345] | 146 | |
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[0dd3a2f] | 147 | if ( elsePart != 0 ) { |
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[50377a4] | 148 | os << indent << "... else: " << endl; |
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| 149 | os << indent+1; |
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| 150 | elsePart->print( os, indent+1 ); |
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[0dd3a2f] | 151 | } // if |
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[51b7345] | 152 | } |
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| 153 | |
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[ba3706f] | 154 | SwitchStmt::SwitchStmt( Expression * condition, const std::list<Statement *> &statements ): |
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| 155 | Statement(), condition( condition ), statements( statements ) { |
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[0dd3a2f] | 156 | } |
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[51b7345] | 157 | |
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[3be261a] | 158 | SwitchStmt::SwitchStmt( const SwitchStmt & other ): |
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| 159 | Statement( other ), condition( maybeClone( other.condition ) ) { |
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[8688ce1] | 160 | cloneAll( other.statements, statements ); |
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[3be261a] | 161 | } |
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| 162 | |
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[50377a4] | 163 | void SwitchStmt::print( std::ostream &os, Indenter indent ) const { |
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[89231bc] | 164 | os << "Switch on condition: "; |
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[0dd3a2f] | 165 | condition->print( os ); |
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| 166 | os << endl; |
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[51b7345] | 167 | |
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[50377a4] | 168 | for ( const Statement * stmt : statements ) { |
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| 169 | stmt->print( os, indent+1 ); |
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| 170 | } |
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[51b7345] | 171 | } |
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| 172 | |
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[a16764a6] | 173 | CaseStmt::CaseStmt( Expression *condition, const std::list<Statement *> &statements, bool deflt ) throw ( SemanticErrorException ) : |
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[ba3706f] | 174 | Statement(), condition( condition ), stmts( statements ), _isDefault( deflt ) { |
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[a16764a6] | 175 | if ( isDefault() && condition != 0 ) SemanticError( condition, "default case with condition: " ); |
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[51b7345] | 176 | } |
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| 177 | |
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[3be261a] | 178 | CaseStmt::CaseStmt( const CaseStmt & other ) : |
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| 179 | Statement( other ), condition( maybeClone(other.condition ) ), _isDefault( other._isDefault ) { |
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| 180 | cloneAll( other.stmts, stmts ); |
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| 181 | } |
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| 182 | |
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[ba3706f] | 183 | CaseStmt * CaseStmt::makeDefault( const std::list<Label> & labels, std::list<Statement *> stmts ) { |
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| 184 | CaseStmt * stmt = new CaseStmt( nullptr, stmts, true ); |
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| 185 | stmt->labels = labels; |
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| 186 | return stmt; |
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[b2152e7a] | 187 | } |
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| 188 | |
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[50377a4] | 189 | void CaseStmt::print( std::ostream &os, Indenter indent ) const { |
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| 190 | if ( isDefault() ) os << "Default "; |
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[0dd3a2f] | 191 | else { |
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| 192 | os << "Case "; |
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[50377a4] | 193 | condition->print( os, indent ); |
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[0dd3a2f] | 194 | } // if |
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| 195 | os << endl; |
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[51b7345] | 196 | |
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[50377a4] | 197 | for ( Statement * stmt : stmts ) { |
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| 198 | stmt->print( os, indent+1 ); |
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| 199 | } |
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[51b7345] | 200 | } |
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| 201 | |
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[ba3706f] | 202 | WhileStmt::WhileStmt( Expression *condition, Statement *body, bool isDoWhile ): |
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| 203 | Statement(), condition( condition), body( body), isDoWhile( isDoWhile) { |
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[0dd3a2f] | 204 | } |
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[51b7345] | 205 | |
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[3be261a] | 206 | WhileStmt::WhileStmt( const WhileStmt & other ): |
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| 207 | Statement( other ), condition( maybeClone( other.condition ) ), body( maybeClone( other.body ) ), isDoWhile( other.isDoWhile ) { |
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| 208 | } |
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| 209 | |
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[50377a4] | 210 | void WhileStmt::print( std::ostream &os, Indenter indent ) const { |
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[89231bc] | 211 | os << "While on condition: " << endl ; |
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[50377a4] | 212 | condition->print( os, indent+1 ); |
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[51b7345] | 213 | |
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[50377a4] | 214 | os << indent << "... with body: " << endl; |
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[51b7345] | 215 | |
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[50377a4] | 216 | if ( body != 0 ) body->print( os, indent+1 ); |
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[51b7345] | 217 | } |
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| 218 | |
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[ba3706f] | 219 | ForStmt::ForStmt( std::list<Statement *> initialization, Expression *condition, Expression *increment, Statement *body ): |
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| 220 | Statement(), initialization( initialization ), condition( condition ), increment( increment ), body( body ) { |
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[0dd3a2f] | 221 | } |
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[51b7345] | 222 | |
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[3be261a] | 223 | ForStmt::ForStmt( const ForStmt & other ): |
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| 224 | Statement( other ), condition( maybeClone( other.condition ) ), increment( maybeClone( other.increment ) ), body( maybeClone( other.body ) ) { |
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| 225 | cloneAll( other.initialization, initialization ); |
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| 226 | |
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| 227 | } |
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| 228 | |
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[50377a4] | 229 | void ForStmt::print( std::ostream &os, Indenter indent ) const { |
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| 230 | Statement::print( os, indent ); // print labels |
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[be5aa1b] | 231 | |
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[50377a4] | 232 | os << "For Statement" << endl; |
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[51b7345] | 233 | |
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[50377a4] | 234 | if ( ! initialization.empty() ) { |
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| 235 | os << indent << "... initialization: \n"; |
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| 236 | for ( Statement * stmt : initialization ) { |
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| 237 | os << indent+1; |
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| 238 | stmt->print( os, indent+1 ); |
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| 239 | } |
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[145f1fc] | 240 | } |
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[51b7345] | 241 | |
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[50377a4] | 242 | if ( condition != nullptr ) { |
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| 243 | os << indent << "... condition: \n" << indent+1; |
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| 244 | condition->print( os, indent+1 ); |
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[bb8ea30] | 245 | } |
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[51b7345] | 246 | |
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[50377a4] | 247 | if ( increment != nullptr ) { |
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| 248 | os << "\n" << indent << "... increment: \n" << indent+1; |
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| 249 | increment->print( os, indent+1 ); |
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[bb8ea30] | 250 | } |
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[51b7345] | 251 | |
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[bb8ea30] | 252 | if ( body != 0 ) { |
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[50377a4] | 253 | os << "\n" << indent << "... with body: \n" << indent+1; |
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| 254 | body->print( os, indent+1 ); |
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[bb8ea30] | 255 | } |
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[0dd3a2f] | 256 | os << endl; |
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[51b7345] | 257 | } |
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| 258 | |
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[ba3706f] | 259 | ThrowStmt::ThrowStmt( Kind kind, Expression * expr, Expression * target ) : |
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| 260 | Statement(), kind(kind), expr(expr), target(target) { |
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[daf1af8] | 261 | assertf(Resume == kind || nullptr == target, "Non-local termination throw is not accepted." ); |
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| 262 | } |
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| 263 | |
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| 264 | ThrowStmt::ThrowStmt( const ThrowStmt &other ) : |
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| 265 | Statement ( other ), kind( other.kind ), expr( maybeClone( other.expr ) ), target( maybeClone( other.target ) ) { |
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| 266 | } |
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| 267 | |
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[50377a4] | 268 | void ThrowStmt::print( std::ostream &os, Indenter indent) const { |
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| 269 | if ( target ) os << "Non-Local "; |
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[daf1af8] | 270 | os << "Throw Statement, raising: "; |
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[50377a4] | 271 | expr->print(os, indent+1); |
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[daf1af8] | 272 | if ( target ) { |
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[50377a4] | 273 | os << "... at: "; |
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| 274 | target->print(os, indent+1); |
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[daf1af8] | 275 | } |
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| 276 | } |
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| 277 | |
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[ba3706f] | 278 | TryStmt::TryStmt( CompoundStmt *tryBlock, std::list<CatchStmt *> &handlers, FinallyStmt *finallyBlock ) : |
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| 279 | Statement(), block( tryBlock ), handlers( handlers ), finallyBlock( finallyBlock ) { |
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[0dd3a2f] | 280 | } |
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[51b7345] | 281 | |
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[3be261a] | 282 | TryStmt::TryStmt( const TryStmt &other ) : Statement( other ), block( maybeClone( other.block ) ), finallyBlock( maybeClone( other.finallyBlock ) ) { |
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| 283 | cloneAll( other.handlers, handlers ); |
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[51b7345] | 284 | } |
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| 285 | |
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[50377a4] | 286 | void TryStmt::print( std::ostream &os, Indenter indent ) const { |
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[89231bc] | 287 | os << "Try Statement" << endl; |
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[50377a4] | 288 | os << indent << "... with block:" << endl << indent+1; |
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| 289 | block->print( os, indent+1 ); |
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[0dd3a2f] | 290 | |
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| 291 | // handlers |
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[50377a4] | 292 | os << indent << "... and handlers:" << endl; |
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| 293 | for ( const CatchStmt * stmt : handlers ) { |
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| 294 | os << indent+1; |
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| 295 | stmt->print( os, indent+1 ); |
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[406a6e6] | 296 | } |
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[0dd3a2f] | 297 | |
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| 298 | // finally block |
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| 299 | if ( finallyBlock != 0 ) { |
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[50377a4] | 300 | os << indent << "... and finally:" << endl << indent+1; |
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| 301 | finallyBlock->print( os, indent+1 ); |
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[0dd3a2f] | 302 | } // if |
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[51b7345] | 303 | } |
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| 304 | |
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[ba3706f] | 305 | CatchStmt::CatchStmt( Kind kind, Declaration *decl, Expression *cond, Statement *body ) : |
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| 306 | Statement(), kind ( kind ), decl ( decl ), cond ( cond ), body( body ) { |
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[50377a4] | 307 | assertf( decl, "Catch clause must have a declaration." ); |
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[0dd3a2f] | 308 | } |
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[51b7345] | 309 | |
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[3be261a] | 310 | CatchStmt::CatchStmt( const CatchStmt & other ) : |
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[ca78437] | 311 | Statement( other ), kind ( other.kind ), decl ( maybeClone( other.decl ) ), cond ( maybeClone( other.cond ) ), body( maybeClone( other.body ) ) { |
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[3be261a] | 312 | } |
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| 313 | |
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[50377a4] | 314 | void CatchStmt::print( std::ostream &os, Indenter indent ) const { |
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[ca78437] | 315 | os << "Catch " << ((Terminate == kind) ? "Terminate" : "Resume") << " Statement" << endl; |
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[0dd3a2f] | 316 | |
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[50377a4] | 317 | os << indent << "... catching: "; |
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| 318 | decl->printShort( os, indent+1 ); |
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| 319 | os << endl; |
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[406a6e6] | 320 | |
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| 321 | if ( cond ) { |
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[50377a4] | 322 | os << indent << "... with conditional:" << endl << indent+1; |
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| 323 | cond->print( os, indent+1 ); |
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[406a6e6] | 324 | } |
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| 325 | |
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[50377a4] | 326 | os << indent << "... with block:" << endl; |
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| 327 | os << indent+1; |
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| 328 | body->print( os, indent+1 ); |
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[51b7345] | 329 | } |
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| 330 | |
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| 331 | |
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[ba3706f] | 332 | FinallyStmt::FinallyStmt( CompoundStmt *block ) : Statement(), block( block ) { |
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[51b7345] | 333 | } |
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| 334 | |
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[3be261a] | 335 | FinallyStmt::FinallyStmt( const FinallyStmt & other ) : Statement( other ), block( maybeClone( other.block ) ) { |
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| 336 | } |
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| 337 | |
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[50377a4] | 338 | void FinallyStmt::print( std::ostream &os, Indenter indent ) const { |
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[f1b1e4c] | 339 | os << "Finally Statement" << endl; |
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[50377a4] | 340 | os << indent << "... with block:" << endl << indent+1; |
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| 341 | block->print( os, indent+1 ); |
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[51b7345] | 342 | } |
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| 343 | |
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[ba3706f] | 344 | WaitForStmt::WaitForStmt() : Statement() { |
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[135b431] | 345 | timeout.time = nullptr; |
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| 346 | timeout.statement = nullptr; |
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| 347 | timeout.condition = nullptr; |
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| 348 | orelse .statement = nullptr; |
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| 349 | orelse .condition = nullptr; |
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| 350 | } |
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| 351 | |
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| 352 | WaitForStmt::WaitForStmt( const WaitForStmt & other ) : Statement( other ) { |
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| 353 | clauses.reserve( other.clauses.size() ); |
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| 354 | for( auto & ocl : other.clauses ) { |
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| 355 | clauses.emplace_back(); |
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| 356 | clauses.back().target.function = ocl.target.function->clone(); |
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| 357 | cloneAll( ocl.target.arguments, clauses.back().target.arguments ); |
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| 358 | clauses.back().statement = ocl.statement->clone(); |
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| 359 | clauses.back().condition = ocl.condition->clone(); |
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| 360 | } |
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| 361 | |
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| 362 | timeout.time = other.timeout.time ->clone(); |
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| 363 | timeout.statement = other.timeout.statement->clone(); |
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| 364 | timeout.condition = other.timeout.condition->clone(); |
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| 365 | orelse .statement = other.orelse .statement->clone(); |
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| 366 | orelse .condition = other.orelse .condition->clone(); |
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| 367 | } |
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| 368 | |
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[50377a4] | 369 | void WaitForStmt::print( std::ostream &os, Indenter indent ) const { |
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[135b431] | 370 | os << "Waitfor Statement" << endl; |
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[50377a4] | 371 | os << indent << "... with block:" << endl << indent+1; |
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[135b431] | 372 | // block->print( os, indent + 4 ); |
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| 373 | } |
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| 374 | |
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[61255ad] | 375 | |
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[3ca540f] | 376 | WithStmt::WithStmt( const std::list< Expression * > & exprs, Statement * stmt ) : Statement(), exprs( exprs ), stmt( stmt ) {} |
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[61255ad] | 377 | WithStmt::WithStmt( const WithStmt & other ) : Statement( other ), stmt( maybeClone( other.stmt ) ) { |
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| 378 | cloneAll( other.exprs, exprs ); |
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| 379 | } |
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| 380 | |
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| 381 | void WithStmt::print( std::ostream & os, Indenter indent ) const { |
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| 382 | os << "With statement" << endl; |
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[44b4114] | 383 | os << indent << "... with expressions: " << endl; |
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| 384 | printAll( exprs, os, indent+1 ); |
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[61255ad] | 385 | os << indent << "... with statement:" << endl << indent+1; |
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| 386 | stmt->print( os, indent+1 ); |
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| 387 | } |
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| 388 | |
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| 389 | |
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[ba3706f] | 390 | NullStmt::NullStmt( const std::list<Label> & labels ) : Statement( labels ) { |
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| 391 | } |
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[51b7345] | 392 | |
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[50377a4] | 393 | void NullStmt::print( std::ostream &os, Indenter ) const { |
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| 394 | os << "Null Statement" << endl; |
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[51b7345] | 395 | } |
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| 396 | |
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[ba3706f] | 397 | ImplicitCtorDtorStmt::ImplicitCtorDtorStmt( Statement * callStmt ) : Statement(), callStmt( callStmt ) { |
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[f1b1e4c] | 398 | assert( callStmt ); |
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| 399 | } |
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| 400 | |
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[74d1804] | 401 | ImplicitCtorDtorStmt::ImplicitCtorDtorStmt( const ImplicitCtorDtorStmt & other ) : Statement( other ), callStmt( maybeClone( other.callStmt ) ) { |
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[f1b1e4c] | 402 | } |
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| 403 | |
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[50377a4] | 404 | void ImplicitCtorDtorStmt::print( std::ostream &os, Indenter indent ) const { |
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[f1b1e4c] | 405 | os << "Implicit Ctor Dtor Statement" << endl; |
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[50377a4] | 406 | os << indent << "... with Ctor/Dtor: "; |
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| 407 | callStmt->print( os, indent+1); |
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[f1b1e4c] | 408 | os << endl; |
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| 409 | } |
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| 410 | |
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[0dd3a2f] | 411 | // Local Variables: // |
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| 412 | // tab-width: 4 // |
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| 413 | // mode: c++ // |
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| 414 | // compile-command: "make install" // |
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| 415 | // End: // |
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