[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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| 7 | // Statement.h -- |
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| 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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[145f1fc] | 11 | // Last Modified By : Rob Schluntz |
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| 12 | // Last Modified On : Tue Jul 14 12:14:54 2015 |
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| 13 | // Update Count : 24 |
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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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| 23 | |
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[0dd3a2f] | 24 | class Statement { |
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| 25 | public: |
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| 26 | Statement( std::list<Label> labels ); |
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| 27 | virtual ~Statement(); |
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[51b7345] | 28 | |
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[0dd3a2f] | 29 | std::list<Label> & get_labels() { return labels; } |
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[de62360d] | 30 | const std::list<Label> & get_labels() const { return labels; } |
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[51b7345] | 31 | |
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[0dd3a2f] | 32 | virtual Statement *clone() const = 0; |
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| 33 | virtual void accept( Visitor &v ) = 0; |
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| 34 | virtual Statement *acceptMutator( Mutator &m ) = 0; |
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[de62360d] | 35 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 36 | protected: |
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| 37 | std::list<Label> labels; |
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[51b7345] | 38 | }; |
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| 39 | |
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[0dd3a2f] | 40 | class CompoundStmt : public Statement { |
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| 41 | public: |
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| 42 | CompoundStmt( std::list<Label> labels ); |
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| 43 | CompoundStmt( const CompoundStmt &other ); |
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| 44 | virtual ~CompoundStmt(); |
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[51b7345] | 45 | |
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[0dd3a2f] | 46 | std::list<Statement*>& get_kids() { return kids; } |
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[51b7345] | 47 | |
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[0dd3a2f] | 48 | virtual CompoundStmt *clone() const { return new CompoundStmt( *this ); } |
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| 49 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 50 | virtual CompoundStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 51 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 52 | private: |
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| 53 | std::list<Statement*> kids; |
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[51b7345] | 54 | }; |
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| 55 | |
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[0dd3a2f] | 56 | class ExprStmt : public Statement { |
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| 57 | public: |
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| 58 | ExprStmt( std::list<Label> labels, Expression *expr ); |
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| 59 | virtual ~ExprStmt(); |
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[51b7345] | 60 | |
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[0dd3a2f] | 61 | Expression *get_expr() { return expr; } |
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| 62 | void set_expr( Expression *newValue ) { expr = newValue; } |
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[51b7345] | 63 | |
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[0dd3a2f] | 64 | virtual ExprStmt *clone() const { return new ExprStmt( *this ); } |
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| 65 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 66 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 67 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 68 | private: |
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| 69 | Expression *expr; |
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| 70 | }; |
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[51b7345] | 71 | |
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[0dd3a2f] | 72 | class IfStmt : public Statement { |
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| 73 | public: |
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| 74 | IfStmt( std::list<Label> labels, Expression *condition, Statement *thenPart, Statement *elsePart ); |
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| 75 | virtual ~IfStmt(); |
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| 76 | |
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| 77 | Expression *get_condition() { return condition; } |
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| 78 | void set_condition( Expression *newValue ) { condition = newValue; } |
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| 79 | Statement *get_thenPart() { return thenPart; } |
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| 80 | void set_thenPart( Statement *newValue ) { thenPart = newValue; } |
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| 81 | Statement *get_elsePart() { return elsePart; } |
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| 82 | void set_elsePart( Statement *newValue ) { elsePart = newValue; } |
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| 83 | |
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| 84 | virtual IfStmt *clone() const { return new IfStmt( *this ); } |
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| 85 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 86 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 87 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 88 | private: |
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| 89 | Expression *condition; |
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| 90 | Statement *thenPart; |
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| 91 | Statement *elsePart; |
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[51b7345] | 92 | }; |
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| 93 | |
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[0dd3a2f] | 94 | class SwitchStmt : public Statement { |
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| 95 | public: |
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| 96 | SwitchStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &branches ); |
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| 97 | virtual ~SwitchStmt(); |
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[51b7345] | 98 | |
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[0dd3a2f] | 99 | Expression *get_condition() { return condition; } |
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| 100 | void set_condition( Expression *newValue ) { condition = newValue; } |
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[51b7345] | 101 | |
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[0dd3a2f] | 102 | std::list<Statement *>& get_branches() { return branches; } |
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| 103 | void add_case( CaseStmt * ); |
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[51b7345] | 104 | |
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[0dd3a2f] | 105 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 106 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[51b7345] | 107 | |
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[0dd3a2f] | 108 | virtual SwitchStmt *clone() const { return new SwitchStmt( *this ); } |
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[de62360d] | 109 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 110 | private: |
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| 111 | Expression * condition; |
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| 112 | std::list<Statement *> branches; // should be list of CaseStmt |
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[51b7345] | 113 | }; |
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| 114 | |
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[0dd3a2f] | 115 | class ChooseStmt : public Statement { |
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| 116 | public: |
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| 117 | ChooseStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &branches ); |
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| 118 | virtual ~ChooseStmt(); |
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[51b7345] | 119 | |
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[0dd3a2f] | 120 | Expression *get_condition() { return condition; } |
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| 121 | void set_condition( Expression *newValue ) { condition = newValue; } |
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[51b7345] | 122 | |
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[0dd3a2f] | 123 | std::list<Statement *>& get_branches() { return branches; } |
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| 124 | void add_case( CaseStmt * ); |
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[51b7345] | 125 | |
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[0dd3a2f] | 126 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 127 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[51b7345] | 128 | |
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[0dd3a2f] | 129 | virtual ChooseStmt *clone() const { return new ChooseStmt( *this ); } |
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[de62360d] | 130 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 131 | private: |
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| 132 | Expression *condition; |
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| 133 | std::list<Statement *> branches; // should be list of CaseStmt |
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| 134 | }; |
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[51b7345] | 135 | |
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[0dd3a2f] | 136 | class FallthruStmt : public Statement { |
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| 137 | public: |
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| 138 | FallthruStmt( std::list<Label> labels ) : Statement( labels ) { } |
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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 FallthruStmt *clone() const { return new FallthruStmt( *this ); } |
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[de62360d] | 144 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 145 | }; |
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[51b7345] | 146 | |
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[0dd3a2f] | 147 | class CaseStmt : public Statement { |
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| 148 | public: |
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| 149 | CaseStmt( std::list<Label> labels, Expression *conditions, |
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| 150 | std::list<Statement *> &stmts, bool isdef = false ) throw(SemanticError); |
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| 151 | virtual ~CaseStmt(); |
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| 152 | |
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[b2152e7a] | 153 | static CaseStmt * makeDefault( std::list<Label> labels = std::list<Label>(), |
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| 154 | std::list<Statement *> stmts = std::list<Statement *>() ); |
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| 155 | |
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[de62360d] | 156 | bool isDefault() const { return _isDefault; } |
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[0dd3a2f] | 157 | void set_default(bool b) { _isDefault = b; } |
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| 158 | |
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| 159 | Expression * &get_condition() { return condition; } |
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| 160 | void set_condition( Expression *newValue ) { condition = newValue; } |
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| 161 | |
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| 162 | std::list<Statement *> &get_statements() { return stmts; } |
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| 163 | void set_statements( std::list<Statement *> &newValue ) { stmts = newValue; } |
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| 164 | |
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| 165 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 166 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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| 167 | |
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| 168 | virtual CaseStmt *clone() const { return new CaseStmt( *this ); } |
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[de62360d] | 169 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 170 | private: |
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| 171 | Expression * condition; |
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| 172 | std::list<Statement *> stmts; |
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| 173 | bool _isDefault; |
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[51b7345] | 174 | }; |
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| 175 | |
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[0dd3a2f] | 176 | class WhileStmt : public Statement { |
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| 177 | public: |
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| 178 | WhileStmt( std::list<Label> labels, Expression *condition, |
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| 179 | Statement *body, bool isDoWhile = false ); |
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| 180 | virtual ~WhileStmt(); |
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| 181 | |
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| 182 | Expression *get_condition() { return condition; } |
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| 183 | void set_condition( Expression *newValue ) { condition = newValue; } |
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| 184 | Statement *get_body() { return body; } |
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| 185 | void set_body( Statement *newValue ) { body = newValue; } |
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| 186 | bool get_isDoWhile() { return isDoWhile; } |
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| 187 | void set_isDoWhile( bool newValue ) { isDoWhile = newValue; } |
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| 188 | |
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| 189 | virtual WhileStmt *clone() const { return new WhileStmt( *this ); } |
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| 190 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 191 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 192 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 193 | private: |
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| 194 | Expression *condition; |
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| 195 | Statement *body; |
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| 196 | bool isDoWhile; |
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[51b7345] | 197 | }; |
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| 198 | |
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[0dd3a2f] | 199 | class ForStmt : public Statement { |
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| 200 | public: |
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[145f1fc] | 201 | ForStmt( std::list<Label> labels, std::list<Statement *> initialization, |
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[0dd3a2f] | 202 | Expression *condition = 0, Expression *increment = 0, Statement *body = 0 ); |
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| 203 | virtual ~ForStmt(); |
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| 204 | |
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[145f1fc] | 205 | std::list<Statement *> &get_initialization() { return initialization; } |
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| 206 | void set_initialization( std::list<Statement *> newValue ) { initialization = newValue; } |
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[0dd3a2f] | 207 | Expression *get_condition() { return condition; } |
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| 208 | void set_condition( Expression *newValue ) { condition = newValue; } |
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| 209 | Expression *get_increment() { return increment; } |
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| 210 | void set_increment( Expression *newValue ) { increment = newValue; } |
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| 211 | Statement *get_body() { return body; } |
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| 212 | void set_body( Statement *newValue ) { body = newValue; } |
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| 213 | |
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| 214 | virtual ForStmt *clone() const { return new ForStmt( *this ); } |
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| 215 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 216 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 217 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 218 | private: |
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[145f1fc] | 219 | std::list<Statement *> initialization; |
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[0dd3a2f] | 220 | Expression *condition; |
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| 221 | Expression *increment; |
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| 222 | Statement *body; |
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[51b7345] | 223 | }; |
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| 224 | |
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[0dd3a2f] | 225 | class BranchStmt : public Statement { |
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| 226 | public: |
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[de62360d] | 227 | enum Type { Goto = 0, Break, Continue }; |
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[0dd3a2f] | 228 | |
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| 229 | BranchStmt( std::list<Label> labels, Label target, Type ) throw (SemanticError); |
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| 230 | BranchStmt( std::list<Label> labels, Expression *computedTarget, Type ) throw (SemanticError); |
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| 231 | virtual ~BranchStmt() {} |
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| 232 | |
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[be5aa1b] | 233 | Label get_originalTarget() { return originalTarget; } |
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[0dd3a2f] | 234 | Label get_target() { return target; } |
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| 235 | void set_target( Label newValue ) { target = newValue; } |
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| 236 | |
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| 237 | Expression *get_computedTarget() { return computedTarget; } |
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| 238 | void set_target( Expression * newValue ) { computedTarget = newValue; } |
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| 239 | |
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| 240 | Type get_type() { return type; } |
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| 241 | const char *get_typename() { return brType[ type ]; } |
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| 242 | |
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| 243 | virtual BranchStmt *clone() const { return new BranchStmt( *this ); } |
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| 244 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 245 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 246 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 247 | private: |
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| 248 | static const char *brType[]; |
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[be5aa1b] | 249 | Label originalTarget; // can give better error messages if we remember the label name that the user entered |
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[0dd3a2f] | 250 | Label target; |
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| 251 | Expression *computedTarget; |
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| 252 | Type type; |
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[51b7345] | 253 | }; |
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| 254 | |
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[0dd3a2f] | 255 | class ReturnStmt : public Statement { |
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| 256 | public: |
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| 257 | ReturnStmt( std::list<Label> labels, Expression *expr, bool throwP = false ); |
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| 258 | virtual ~ReturnStmt(); |
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| 259 | |
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| 260 | Expression *get_expr() { return expr; } |
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| 261 | void set_expr( Expression *newValue ) { expr = newValue; } |
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| 262 | |
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| 263 | virtual ReturnStmt *clone() const { return new ReturnStmt( *this ); } |
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| 264 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 265 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 266 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 267 | private: |
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| 268 | Expression *expr; |
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| 269 | bool isThrow; |
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[51b7345] | 270 | }; |
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| 271 | |
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| 272 | |
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[0dd3a2f] | 273 | class NullStmt : public CompoundStmt { |
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| 274 | public: |
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| 275 | NullStmt(); |
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| 276 | NullStmt( std::list<Label> labels ); |
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| 277 | virtual ~NullStmt(); |
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[51b7345] | 278 | |
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[0dd3a2f] | 279 | virtual NullStmt *clone() const { return new NullStmt( *this ); } |
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| 280 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 281 | virtual NullStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 282 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 283 | |
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| 284 | private: |
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[51b7345] | 285 | }; |
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| 286 | |
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[0dd3a2f] | 287 | class TryStmt : public Statement { |
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| 288 | public: |
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| 289 | TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<Statement *> &handlers, FinallyStmt *finallyBlock = 0 ); |
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| 290 | TryStmt( const TryStmt &other ); |
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| 291 | virtual ~TryStmt(); |
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| 292 | |
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| 293 | CompoundStmt *get_block() const { return block; } |
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| 294 | void set_block( CompoundStmt *newValue ) { block = newValue; } |
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| 295 | std::list<Statement *>& get_catchers() { return handlers; } |
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| 296 | |
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| 297 | FinallyStmt *get_finally() const { return finallyBlock; } |
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| 298 | void set_finally( FinallyStmt *newValue ) { finallyBlock = newValue; } |
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| 299 | |
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| 300 | virtual TryStmt *clone() const { return new TryStmt( *this ); } |
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| 301 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 302 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 303 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 304 | |
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| 305 | private: |
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| 306 | CompoundStmt *block; |
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| 307 | std::list<Statement *> handlers; |
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| 308 | FinallyStmt *finallyBlock; |
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[51b7345] | 309 | }; |
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| 310 | |
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[0dd3a2f] | 311 | class CatchStmt : public Statement { |
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| 312 | public: |
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| 313 | CatchStmt( std::list<Label> labels, Declaration *decl, Statement *body, bool isCatchRest = false ); |
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| 314 | virtual ~CatchStmt(); |
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| 315 | |
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| 316 | Declaration *get_decl() { return decl; } |
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| 317 | void set_decl( Declaration *newValue ) { decl = newValue; } |
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| 318 | |
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| 319 | Statement *get_body() { return body; } |
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| 320 | void set_body( Statement *newValue ) { body = newValue; } |
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| 321 | |
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| 322 | virtual CatchStmt *clone() const { return new CatchStmt( *this ); } |
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| 323 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 324 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 325 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 326 | |
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| 327 | private: |
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| 328 | Declaration *decl; |
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| 329 | Statement *body; |
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| 330 | bool catchRest; |
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[51b7345] | 331 | }; |
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| 332 | |
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[0dd3a2f] | 333 | class FinallyStmt : public Statement { |
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| 334 | public: |
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| 335 | FinallyStmt( std::list<Label> labels, CompoundStmt *block ); |
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| 336 | virtual ~FinallyStmt(); |
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| 337 | |
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| 338 | CompoundStmt *get_block() const { return block; } |
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| 339 | void set_block( CompoundStmt *newValue ) { block = newValue; } |
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| 340 | |
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| 341 | virtual FinallyStmt *clone() const { return new FinallyStmt( *this ); } |
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| 342 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 343 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 344 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 345 | private: |
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| 346 | CompoundStmt *block; |
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[51b7345] | 347 | }; |
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| 348 | |
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| 349 | |
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| 350 | // represents a declaration that occurs as part of a compound statement |
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[0dd3a2f] | 351 | class DeclStmt : public Statement { |
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| 352 | public: |
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| 353 | DeclStmt( std::list<Label> labels, Declaration *decl ); |
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| 354 | DeclStmt( const DeclStmt &other ); |
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| 355 | virtual ~DeclStmt(); |
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| 356 | |
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| 357 | Declaration *get_decl() { return decl; } |
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| 358 | void set_decl( Declaration *newValue ) { decl = newValue; } |
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| 359 | |
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| 360 | virtual DeclStmt *clone() const { return new DeclStmt( *this ); } |
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| 361 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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| 362 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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[de62360d] | 363 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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[0dd3a2f] | 364 | private: |
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| 365 | Declaration *decl; |
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[51b7345] | 366 | }; |
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| 367 | |
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[0dd3a2f] | 368 | #endif // STATEMENT_H |
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[51b7345] | 369 | |
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[0dd3a2f] | 370 | // Local Variables: // |
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| 371 | // tab-width: 4 // |
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| 372 | // mode: c++ // |
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| 373 | // compile-command: "make install" // |
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| 374 | // End: // |
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