[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.h -- |
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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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[4e06c1e] | 11 | // Last Modified By : Peter A. Buhr |
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[1d4580a] | 12 | // Last Modified On : Fri Aug 12 13:57:46 2016 |
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| 13 | // Update Count : 65 |
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[0dd3a2f] | 14 | // |
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| 15 | |
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[51b7345] | 16 | #ifndef STATEMENT_H |
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| 17 | #define STATEMENT_H |
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| 18 | |
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| 19 | #include "SynTree.h" |
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| 20 | #include "Visitor.h" |
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| 21 | #include "Mutator.h" |
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| 22 | #include "Common/SemanticError.h" |
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[f1b1e4c] | 23 | #include "Type.h" |
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[0f8e4ac] | 24 | #include "Label.h" |
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[51b7345] | 25 | |
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[0dd3a2f] | 26 | class Statement { |
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| 27 | public: |
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| 28 | Statement( std::list<Label> labels ); |
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| 29 | virtual ~Statement(); |
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[51b7345] | 30 | |
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[0dd3a2f] | 31 | std::list<Label> & get_labels() { return labels; } |
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[de62360d] | 32 | const std::list<Label> & get_labels() const { return labels; } |
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[51b7345] | 33 | |
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[0dd3a2f] | 34 | virtual Statement *clone() const = 0; |
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| 35 | virtual void accept( Visitor &v ) = 0; |
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| 36 | virtual Statement *acceptMutator( Mutator &m ) = 0; |
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[de62360d] | 37 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 38 | protected: |
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| 39 | std::list<Label> labels; |
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[51b7345] | 40 | }; |
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| 41 | |
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[0dd3a2f] | 42 | class CompoundStmt : public Statement { |
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| 43 | public: |
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| 44 | CompoundStmt( std::list<Label> labels ); |
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| 45 | CompoundStmt( const CompoundStmt &other ); |
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| 46 | virtual ~CompoundStmt(); |
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[51b7345] | 47 | |
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[0dd3a2f] | 48 | std::list<Statement*>& get_kids() { return kids; } |
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[51b7345] | 49 | |
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[0dd3a2f] | 50 | virtual CompoundStmt *clone() const { return new CompoundStmt( *this ); } |
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| 51 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 52 | virtual CompoundStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 53 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 54 | private: |
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| 55 | std::list<Statement*> kids; |
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[51b7345] | 56 | }; |
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| 57 | |
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[0dd3a2f] | 58 | class ExprStmt : public Statement { |
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| 59 | public: |
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| 60 | ExprStmt( std::list<Label> labels, Expression *expr ); |
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[3be261a] | 61 | ExprStmt( const ExprStmt &other ); |
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[0dd3a2f] | 62 | virtual ~ExprStmt(); |
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[51b7345] | 63 | |
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[0dd3a2f] | 64 | Expression *get_expr() { return expr; } |
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| 65 | void set_expr( Expression *newValue ) { expr = newValue; } |
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[51b7345] | 66 | |
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[0dd3a2f] | 67 | virtual ExprStmt *clone() const { return new ExprStmt( *this ); } |
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| 68 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 69 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 70 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 71 | private: |
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| 72 | Expression *expr; |
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| 73 | }; |
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[51b7345] | 74 | |
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[7f5566b] | 75 | class AsmStmt : public Statement { |
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| 76 | public: |
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| 77 | AsmStmt( std::list<Label> labels, bool voltile, ConstantExpr *instruction, std::list<Expression *> input, std::list<Expression *> output, std::list<ConstantExpr *> clobber, std::list<Label> gotolabels ); |
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[3be261a] | 78 | AsmStmt( const AsmStmt &other ); |
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[7f5566b] | 79 | virtual ~AsmStmt(); |
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| 80 | |
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| 81 | bool get_voltile() { return voltile; } |
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| 82 | void set_voltile( bool newValue ) { voltile = newValue; } |
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| 83 | ConstantExpr *get_instruction() { return instruction; } |
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| 84 | void set_instruction( ConstantExpr *newValue ) { instruction = newValue; } |
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| 85 | std::list<Expression *> &get_output() { return output; } |
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| 86 | void set_output( const std::list<Expression *> &newValue ) { output = newValue; } |
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| 87 | std::list<Expression *> &get_input() { return input; } |
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| 88 | void set_input( const std::list<Expression *> &newValue ) { input = newValue; } |
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| 89 | std::list<ConstantExpr *> &get_clobber() { return clobber; } |
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| 90 | void set_clobber( const std::list<ConstantExpr *> &newValue ) { clobber = newValue; } |
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| 91 | std::list<Label> &get_gotolabels() { return gotolabels; } |
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| 92 | void set_gotolabels( const std::list<Label> &newValue ) { gotolabels = newValue; } |
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| 93 | |
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| 94 | virtual AsmStmt *clone() const { return new AsmStmt( *this ); } |
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| 95 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 96 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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| 97 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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| 98 | private: |
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| 99 | bool voltile; |
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| 100 | ConstantExpr *instruction; |
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| 101 | std::list<Expression *> output, input; |
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| 102 | std::list<ConstantExpr *> clobber; |
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| 103 | std::list<Label> gotolabels; |
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| 104 | }; |
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| 105 | |
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[0dd3a2f] | 106 | class IfStmt : public Statement { |
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| 107 | public: |
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| 108 | IfStmt( std::list<Label> labels, Expression *condition, Statement *thenPart, Statement *elsePart ); |
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[3be261a] | 109 | IfStmt( const IfStmt &other ); |
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[0dd3a2f] | 110 | virtual ~IfStmt(); |
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| 111 | |
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| 112 | Expression *get_condition() { return condition; } |
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| 113 | void set_condition( Expression *newValue ) { condition = newValue; } |
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| 114 | Statement *get_thenPart() { return thenPart; } |
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| 115 | void set_thenPart( Statement *newValue ) { thenPart = newValue; } |
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| 116 | Statement *get_elsePart() { return elsePart; } |
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| 117 | void set_elsePart( Statement *newValue ) { elsePart = newValue; } |
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[3be261a] | 118 | |
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[0dd3a2f] | 119 | virtual IfStmt *clone() const { return new IfStmt( *this ); } |
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| 120 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 121 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 122 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 123 | private: |
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| 124 | Expression *condition; |
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| 125 | Statement *thenPart; |
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| 126 | Statement *elsePart; |
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[51b7345] | 127 | }; |
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| 128 | |
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[0dd3a2f] | 129 | class SwitchStmt : public Statement { |
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| 130 | public: |
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[8688ce1] | 131 | SwitchStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &statements ); |
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[3be261a] | 132 | SwitchStmt( const SwitchStmt &other ); |
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[0dd3a2f] | 133 | virtual ~SwitchStmt(); |
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[51b7345] | 134 | |
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[0dd3a2f] | 135 | Expression *get_condition() { return condition; } |
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| 136 | void set_condition( Expression *newValue ) { condition = newValue; } |
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[51b7345] | 137 | |
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[8688ce1] | 138 | std::list<Statement *> & get_statements() { return statements; } |
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[51b7345] | 139 | |
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[0dd3a2f] | 140 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 141 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[51b7345] | 142 | |
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[0dd3a2f] | 143 | virtual SwitchStmt *clone() const { return new SwitchStmt( *this ); } |
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[de62360d] | 144 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 145 | private: |
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| 146 | Expression * condition; |
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[8688ce1] | 147 | std::list<Statement *> statements; |
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[51b7345] | 148 | }; |
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| 149 | |
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[0dd3a2f] | 150 | class CaseStmt : public Statement { |
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| 151 | public: |
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[8688ce1] | 152 | CaseStmt( std::list<Label> labels, Expression *conditions, std::list<Statement *> &stmts, bool isdef = false ) throw(SemanticError); |
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[3be261a] | 153 | CaseStmt( const CaseStmt &other ); |
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[0dd3a2f] | 154 | virtual ~CaseStmt(); |
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| 155 | |
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[8688ce1] | 156 | static CaseStmt * makeDefault( std::list<Label> labels = std::list<Label>(), std::list<Statement *> stmts = std::list<Statement *>() ); |
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[b2152e7a] | 157 | |
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[de62360d] | 158 | bool isDefault() const { return _isDefault; } |
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[0dd3a2f] | 159 | void set_default(bool b) { _isDefault = b; } |
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| 160 | |
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| 161 | Expression * &get_condition() { return condition; } |
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| 162 | void set_condition( Expression *newValue ) { condition = newValue; } |
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| 163 | |
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| 164 | std::list<Statement *> &get_statements() { return stmts; } |
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| 165 | void set_statements( std::list<Statement *> &newValue ) { stmts = newValue; } |
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[3be261a] | 166 | |
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[0dd3a2f] | 167 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 168 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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| 169 | |
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| 170 | virtual CaseStmt *clone() const { return new CaseStmt( *this ); } |
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[de62360d] | 171 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 172 | private: |
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| 173 | Expression * condition; |
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| 174 | std::list<Statement *> stmts; |
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| 175 | bool _isDefault; |
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[51b7345] | 176 | }; |
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| 177 | |
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[0dd3a2f] | 178 | class WhileStmt : public Statement { |
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| 179 | public: |
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| 180 | WhileStmt( std::list<Label> labels, Expression *condition, |
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| 181 | Statement *body, bool isDoWhile = false ); |
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[3be261a] | 182 | WhileStmt( const WhileStmt &other ); |
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[0dd3a2f] | 183 | virtual ~WhileStmt(); |
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| 184 | |
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| 185 | Expression *get_condition() { return condition; } |
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| 186 | void set_condition( Expression *newValue ) { condition = newValue; } |
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| 187 | Statement *get_body() { return body; } |
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| 188 | void set_body( Statement *newValue ) { body = newValue; } |
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| 189 | bool get_isDoWhile() { return isDoWhile; } |
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| 190 | void set_isDoWhile( bool newValue ) { isDoWhile = newValue; } |
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[3be261a] | 191 | |
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[0dd3a2f] | 192 | virtual WhileStmt *clone() const { return new WhileStmt( *this ); } |
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| 193 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 194 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 195 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 196 | private: |
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| 197 | Expression *condition; |
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| 198 | Statement *body; |
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| 199 | bool isDoWhile; |
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[51b7345] | 200 | }; |
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| 201 | |
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[0dd3a2f] | 202 | class ForStmt : public Statement { |
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| 203 | public: |
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[145f1fc] | 204 | ForStmt( std::list<Label> labels, std::list<Statement *> initialization, |
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[0dd3a2f] | 205 | Expression *condition = 0, Expression *increment = 0, Statement *body = 0 ); |
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[3be261a] | 206 | ForStmt( const ForStmt &other ); |
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[0dd3a2f] | 207 | virtual ~ForStmt(); |
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| 208 | |
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[145f1fc] | 209 | std::list<Statement *> &get_initialization() { return initialization; } |
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| 210 | void set_initialization( std::list<Statement *> newValue ) { initialization = newValue; } |
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[0dd3a2f] | 211 | Expression *get_condition() { return condition; } |
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| 212 | void set_condition( Expression *newValue ) { condition = newValue; } |
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| 213 | Expression *get_increment() { return increment; } |
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| 214 | void set_increment( Expression *newValue ) { increment = newValue; } |
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| 215 | Statement *get_body() { return body; } |
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| 216 | void set_body( Statement *newValue ) { body = newValue; } |
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[3be261a] | 217 | |
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[0dd3a2f] | 218 | virtual ForStmt *clone() const { return new ForStmt( *this ); } |
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| 219 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 220 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 221 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 222 | private: |
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[145f1fc] | 223 | std::list<Statement *> initialization; |
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[0dd3a2f] | 224 | Expression *condition; |
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| 225 | Expression *increment; |
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| 226 | Statement *body; |
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[51b7345] | 227 | }; |
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| 228 | |
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[0dd3a2f] | 229 | class BranchStmt : public Statement { |
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| 230 | public: |
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[de62360d] | 231 | enum Type { Goto = 0, Break, Continue }; |
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[0dd3a2f] | 232 | |
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| 233 | BranchStmt( std::list<Label> labels, Label target, Type ) throw (SemanticError); |
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| 234 | BranchStmt( std::list<Label> labels, Expression *computedTarget, Type ) throw (SemanticError); |
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| 235 | |
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[be5aa1b] | 236 | Label get_originalTarget() { return originalTarget; } |
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[0dd3a2f] | 237 | Label get_target() { return target; } |
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| 238 | void set_target( Label newValue ) { target = newValue; } |
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[3be261a] | 239 | |
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[0dd3a2f] | 240 | Expression *get_computedTarget() { return computedTarget; } |
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| 241 | void set_target( Expression * newValue ) { computedTarget = newValue; } |
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| 242 | |
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| 243 | Type get_type() { return type; } |
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| 244 | const char *get_typename() { return brType[ type ]; } |
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| 245 | |
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| 246 | virtual BranchStmt *clone() const { return new BranchStmt( *this ); } |
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| 247 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 248 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 249 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 250 | private: |
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| 251 | static const char *brType[]; |
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[be5aa1b] | 252 | Label originalTarget; // can give better error messages if we remember the label name that the user entered |
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[0dd3a2f] | 253 | Label target; |
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| 254 | Expression *computedTarget; |
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| 255 | Type type; |
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[51b7345] | 256 | }; |
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| 257 | |
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[0dd3a2f] | 258 | class ReturnStmt : public Statement { |
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| 259 | public: |
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| 260 | ReturnStmt( std::list<Label> labels, Expression *expr, bool throwP = false ); |
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[3be261a] | 261 | ReturnStmt( const ReturnStmt &other ); |
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[0dd3a2f] | 262 | virtual ~ReturnStmt(); |
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| 263 | |
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| 264 | Expression *get_expr() { return expr; } |
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| 265 | void set_expr( Expression *newValue ) { expr = newValue; } |
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[3be261a] | 266 | |
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[0dd3a2f] | 267 | virtual ReturnStmt *clone() const { return new ReturnStmt( *this ); } |
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| 268 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 269 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 270 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 271 | private: |
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| 272 | Expression *expr; |
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| 273 | bool isThrow; |
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[51b7345] | 274 | }; |
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| 275 | |
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| 276 | |
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[0dd3a2f] | 277 | class NullStmt : public CompoundStmt { |
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| 278 | public: |
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| 279 | NullStmt(); |
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| 280 | NullStmt( std::list<Label> labels ); |
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[51b7345] | 281 | |
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[0dd3a2f] | 282 | virtual NullStmt *clone() const { return new NullStmt( *this ); } |
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| 283 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 284 | virtual NullStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 285 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[3be261a] | 286 | |
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[0dd3a2f] | 287 | private: |
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[51b7345] | 288 | }; |
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| 289 | |
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[3be261a] | 290 | class TryStmt : public Statement { |
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[0dd3a2f] | 291 | public: |
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| 292 | TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<Statement *> &handlers, FinallyStmt *finallyBlock = 0 ); |
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| 293 | TryStmt( const TryStmt &other ); |
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| 294 | virtual ~TryStmt(); |
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| 295 | |
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| 296 | CompoundStmt *get_block() const { return block; } |
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| 297 | void set_block( CompoundStmt *newValue ) { block = newValue; } |
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| 298 | std::list<Statement *>& get_catchers() { return handlers; } |
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| 299 | |
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| 300 | FinallyStmt *get_finally() const { return finallyBlock; } |
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| 301 | void set_finally( FinallyStmt *newValue ) { finallyBlock = newValue; } |
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| 302 | |
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| 303 | virtual TryStmt *clone() const { return new TryStmt( *this ); } |
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| 304 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 305 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 306 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[3be261a] | 307 | |
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[0dd3a2f] | 308 | private: |
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| 309 | CompoundStmt *block; |
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| 310 | std::list<Statement *> handlers; |
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| 311 | FinallyStmt *finallyBlock; |
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[3be261a] | 312 | }; |
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[51b7345] | 313 | |
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[0dd3a2f] | 314 | class CatchStmt : public Statement { |
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| 315 | public: |
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[1d4580a] | 316 | CatchStmt( std::list<Label> labels, Declaration *decl, Statement *body, bool catchAny = false ); |
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[3be261a] | 317 | CatchStmt( const CatchStmt &other ); |
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[0dd3a2f] | 318 | virtual ~CatchStmt(); |
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| 319 | |
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| 320 | Declaration *get_decl() { return decl; } |
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| 321 | void set_decl( Declaration *newValue ) { decl = newValue; } |
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| 322 | |
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| 323 | Statement *get_body() { return body; } |
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| 324 | void set_body( Statement *newValue ) { body = newValue; } |
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[3be261a] | 325 | |
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[0dd3a2f] | 326 | virtual CatchStmt *clone() const { return new CatchStmt( *this ); } |
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| 327 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 328 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 329 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[3be261a] | 330 | |
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[0dd3a2f] | 331 | private: |
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| 332 | Declaration *decl; |
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| 333 | Statement *body; |
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| 334 | bool catchRest; |
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[51b7345] | 335 | }; |
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| 336 | |
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[3be261a] | 337 | class FinallyStmt : public Statement { |
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[0dd3a2f] | 338 | public: |
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| 339 | FinallyStmt( std::list<Label> labels, CompoundStmt *block ); |
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[3be261a] | 340 | FinallyStmt( const FinallyStmt &other ); |
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[0dd3a2f] | 341 | virtual ~FinallyStmt(); |
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| 342 | |
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| 343 | CompoundStmt *get_block() const { return block; } |
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| 344 | void set_block( CompoundStmt *newValue ) { block = newValue; } |
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[3be261a] | 345 | |
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[0dd3a2f] | 346 | virtual FinallyStmt *clone() const { return new FinallyStmt( *this ); } |
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| 347 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 348 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 349 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 350 | private: |
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| 351 | CompoundStmt *block; |
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[3be261a] | 352 | }; |
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[51b7345] | 353 | |
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| 354 | |
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| 355 | // represents a declaration that occurs as part of a compound statement |
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[0dd3a2f] | 356 | class DeclStmt : public Statement { |
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| 357 | public: |
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| 358 | DeclStmt( std::list<Label> labels, Declaration *decl ); |
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| 359 | DeclStmt( const DeclStmt &other ); |
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| 360 | virtual ~DeclStmt(); |
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| 361 | |
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[f1b1e4c] | 362 | Declaration *get_decl() const { return decl; } |
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[0dd3a2f] | 363 | void set_decl( Declaration *newValue ) { decl = newValue; } |
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| 364 | |
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| 365 | virtual DeclStmt *clone() const { return new DeclStmt( *this ); } |
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| 366 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 367 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 368 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 369 | private: |
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| 370 | Declaration *decl; |
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[51b7345] | 371 | }; |
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| 372 | |
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[f1b1e4c] | 373 | |
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| 374 | /// represents an implicit application of a constructor or destructor. Qualifiers are replaced |
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| 375 | /// immediately before and after the call so that qualified objects can be constructed |
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| 376 | /// with the same functions as unqualified objects. |
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| 377 | class ImplicitCtorDtorStmt : public Statement { |
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| 378 | public: |
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| 379 | ImplicitCtorDtorStmt( Statement * callStmt ); |
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| 380 | ImplicitCtorDtorStmt( const ImplicitCtorDtorStmt & other ); |
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| 381 | virtual ~ImplicitCtorDtorStmt(); |
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| 382 | |
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| 383 | Statement *get_callStmt() const { return callStmt; } |
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| 384 | void set_callStmt( Statement * newValue ) { callStmt = newValue; } |
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| 385 | |
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| 386 | virtual ImplicitCtorDtorStmt *clone() const { return new ImplicitCtorDtorStmt( *this ); } |
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| 387 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 388 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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| 389 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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| 390 | |
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| 391 | private: |
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| 392 | // Non-owned pointer to the constructor/destructor statement |
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| 393 | Statement * callStmt; |
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| 394 | }; |
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| 395 | |
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| 396 | |
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[baf7fee] | 397 | std::ostream & operator<<( std::ostream & out, Statement * statement ); |
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| 398 | |
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[0dd3a2f] | 399 | #endif // STATEMENT_H |
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[51b7345] | 400 | |
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[0dd3a2f] | 401 | // Local Variables: // |
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| 402 | // tab-width: 4 // |
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| 403 | // mode: c++ // |
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| 404 | // compile-command: "make install" // |
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| 405 | // End: // |
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