1 | /* |
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2 | * This file is part of the Cforall project |
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3 | * |
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4 | * $Id: Statement.h,v 1.18 2005/08/29 20:59:26 rcbilson Exp $ |
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5 | * |
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6 | */ |
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7 | |
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8 | #ifndef STATEMENT_H |
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9 | #define STATEMENT_H |
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10 | |
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11 | #include "SynTree.h" |
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12 | #include "Visitor.h" |
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13 | #include "Mutator.h" |
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14 | #include "Common/SemanticError.h" |
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15 | |
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16 | |
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17 | class Statement |
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18 | { |
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19 | public: |
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20 | Statement( std::list<Label> labels ); |
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21 | virtual ~Statement(); |
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22 | |
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23 | std::list<Label> & get_labels() { return labels; } |
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24 | |
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25 | virtual Statement *clone() const = 0; |
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26 | virtual void accept( Visitor &v ) = 0; |
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27 | virtual Statement *acceptMutator( Mutator &m ) = 0; |
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28 | virtual void print( std::ostream &os, int indent = 0 ); |
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29 | |
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30 | protected: |
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31 | std::list<Label> labels; |
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32 | }; |
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33 | |
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34 | class CompoundStmt : public Statement |
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35 | { |
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36 | public: |
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37 | CompoundStmt( std::list<Label> labels ); |
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38 | CompoundStmt( const CompoundStmt &other ); |
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39 | virtual ~CompoundStmt(); |
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40 | |
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41 | std::list<Statement*>& get_kids() { return kids; } |
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42 | |
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43 | virtual CompoundStmt *clone() const { return new CompoundStmt( *this ); } |
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44 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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45 | virtual CompoundStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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46 | virtual void print( std::ostream &os, int indent = 0 ); |
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47 | |
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48 | private: |
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49 | std::list<Statement*> kids; |
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50 | }; |
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51 | |
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52 | class ExprStmt : public Statement |
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53 | { |
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54 | public: |
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55 | ExprStmt( std::list<Label> labels, Expression *expr ); |
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56 | virtual ~ExprStmt(); |
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57 | |
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58 | Expression *get_expr() { return expr; } |
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59 | void set_expr( Expression *newValue ) { expr = newValue; } |
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60 | |
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61 | virtual ExprStmt *clone() const { return new ExprStmt( *this ); } |
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62 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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63 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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64 | virtual void print( std::ostream &os, int indent = 0 ); |
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65 | |
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66 | private: |
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67 | Expression *expr; |
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68 | }; |
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69 | |
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70 | class IfStmt : public Statement |
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71 | { |
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72 | public: |
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73 | IfStmt( std::list<Label> labels, Expression *condition, Statement *thenPart, Statement *elsePart ); |
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74 | virtual ~IfStmt(); |
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75 | |
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76 | Expression *get_condition() { return condition; } |
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77 | void set_condition( Expression *newValue ) { condition = newValue; } |
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78 | Statement *get_thenPart() { return thenPart; } |
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79 | void set_thenPart( Statement *newValue ) { thenPart = newValue; } |
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80 | Statement *get_elsePart() { return elsePart; } |
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81 | void set_elsePart( Statement *newValue ) { elsePart = newValue; } |
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82 | |
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83 | virtual IfStmt *clone() const { return new IfStmt( *this ); } |
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84 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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85 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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86 | virtual void print( std::ostream &os, int indent = 0 ); |
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87 | |
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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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92 | }; |
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93 | |
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94 | class SwitchStmt : public Statement |
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95 | { |
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96 | public: |
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97 | SwitchStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &branches ); |
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98 | virtual ~SwitchStmt(); |
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99 | |
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100 | Expression *get_condition() { return condition; } |
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101 | void set_condition( Expression *newValue ) { condition = newValue; } |
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102 | |
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103 | std::list<Statement *>& get_branches() { return branches; } |
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104 | void add_case( CaseStmt * ); |
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105 | |
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106 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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107 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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108 | |
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109 | virtual SwitchStmt *clone() const { return new SwitchStmt( *this ); } |
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110 | virtual void print( std::ostream &os, int indent = 0 ); |
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111 | |
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112 | private: |
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113 | Expression * condition; |
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114 | std::list<Statement *> branches; // should be list of CaseStmt |
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115 | }; |
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116 | |
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117 | class ChooseStmt : public Statement |
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118 | { |
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119 | public: |
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120 | ChooseStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &branches ); |
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121 | virtual ~ChooseStmt(); |
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122 | |
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123 | Expression *get_condition() { return condition; } |
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124 | void set_condition( Expression *newValue ) { condition = newValue; } |
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125 | |
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126 | std::list<Statement *>& get_branches() { return branches; } |
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127 | void add_case( CaseStmt * ); |
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128 | |
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129 | |
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130 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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131 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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132 | |
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133 | virtual ChooseStmt *clone() const { return new ChooseStmt( *this ); } |
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134 | virtual void print( std::ostream &os, int indent = 0 ); |
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135 | |
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136 | private: |
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137 | Expression *condition; |
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138 | std::list<Statement *> branches; // should be list of CaseStmt |
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139 | }; |
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140 | |
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141 | class FallthruStmt : public Statement { |
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142 | public: |
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143 | FallthruStmt( std::list<Label> labels ) : Statement( labels ) { } |
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144 | |
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145 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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146 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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147 | |
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148 | virtual FallthruStmt *clone() const { return new FallthruStmt( *this ); } |
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149 | virtual void print( std::ostream &os, int indent = 0 ); |
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150 | }; |
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151 | |
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152 | class CaseStmt : public Statement |
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153 | { |
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154 | public: |
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155 | CaseStmt( std::list<Label> labels, Expression *conditions, |
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156 | std::list<Statement *> &stmts, bool isdef = false ) throw(SemanticError); |
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157 | virtual ~CaseStmt(); |
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158 | |
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159 | bool isDefault() { return _isDefault; } |
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160 | void set_default(bool b) { _isDefault = b; } |
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161 | |
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162 | Expression * &get_condition() { return condition; } |
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163 | void set_condition( Expression *newValue ) { condition = newValue; } |
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164 | |
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165 | std::list<Statement *> &get_statements() { return stmts; } |
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166 | void set_statements( std::list<Statement *> &newValue ) { stmts = newValue; } |
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167 | |
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168 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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169 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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170 | |
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171 | virtual CaseStmt *clone() const { return new CaseStmt( *this ); } |
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172 | virtual void print( std::ostream &os, int indent = 0 ); |
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173 | |
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174 | private: |
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175 | Expression * condition; |
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176 | std::list<Statement *> stmts; |
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177 | bool _isDefault; |
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178 | }; |
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179 | |
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180 | class WhileStmt : public Statement |
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181 | { |
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182 | public: |
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183 | WhileStmt( std::list<Label> labels, Expression *condition, |
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184 | Statement *body, bool isDoWhile = false ); |
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185 | virtual ~WhileStmt(); |
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186 | |
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187 | Expression *get_condition() { return condition; } |
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188 | void set_condition( Expression *newValue ) { condition = newValue; } |
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189 | Statement *get_body() { return body; } |
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190 | void set_body( Statement *newValue ) { body = newValue; } |
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191 | bool get_isDoWhile() { return isDoWhile; } |
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192 | void set_isDoWhile( bool newValue ) { isDoWhile = newValue; } |
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193 | |
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194 | virtual WhileStmt *clone() const { return new WhileStmt( *this ); } |
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195 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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196 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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197 | virtual void print( std::ostream &os, int indent = 0 ); |
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198 | |
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199 | private: |
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200 | Expression *condition; |
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201 | Statement *body; |
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202 | bool isDoWhile; |
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203 | }; |
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204 | |
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205 | class ForStmt : public Statement |
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206 | { |
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207 | public: |
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208 | ForStmt( std::list<Label> labels, Statement *initialization = 0, |
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209 | Expression *condition = 0, Expression *increment = 0, Statement *body = 0 ); |
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210 | virtual ~ForStmt(); |
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211 | |
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212 | Statement *get_initialization() { return initialization; } |
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213 | void set_initialization( Statement *newValue ) { initialization = newValue; } |
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214 | Expression *get_condition() { return condition; } |
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215 | void set_condition( Expression *newValue ) { condition = newValue; } |
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216 | Expression *get_increment() { return increment; } |
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217 | void set_increment( Expression *newValue ) { increment = newValue; } |
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218 | Statement *get_body() { return body; } |
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219 | void set_body( Statement *newValue ) { body = newValue; } |
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220 | |
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221 | virtual ForStmt *clone() const { return new ForStmt( *this ); } |
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222 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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223 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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224 | virtual void print( std::ostream &os, int indent = 0 ); |
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225 | |
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226 | private: |
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227 | Statement *initialization; |
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228 | Expression *condition; |
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229 | Expression *increment; |
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230 | Statement *body; |
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231 | }; |
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232 | |
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233 | class BranchStmt : public Statement |
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234 | { |
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235 | public: |
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236 | |
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237 | enum Type { Goto = 0 , Break, Continue }; |
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238 | |
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239 | BranchStmt( std::list<Label> labels, Label target, Type ) throw (SemanticError); |
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240 | BranchStmt( std::list<Label> labels, Expression *computedTarget, Type ) throw (SemanticError); |
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241 | virtual ~BranchStmt() {} |
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242 | |
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243 | Label get_target() { return target; } |
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244 | void set_target( Label newValue ) { target = newValue; } |
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245 | |
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246 | Expression *get_computedTarget() { return computedTarget; } |
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247 | void set_target( Expression * newValue ) { computedTarget = newValue; } |
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248 | |
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249 | Type get_type() { return type; } |
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250 | const char *get_typename() { return brType[ type ]; } |
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251 | |
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252 | virtual BranchStmt *clone() const { return new BranchStmt( *this ); } |
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253 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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254 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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255 | virtual void print( std::ostream &os, int indent = 0 ); |
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256 | |
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257 | private: |
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258 | static const char *brType[]; |
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259 | Label target; |
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260 | Expression *computedTarget; |
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261 | Type type; |
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262 | }; |
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263 | |
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264 | class ReturnStmt : public Statement |
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265 | { |
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266 | public: |
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267 | ReturnStmt( std::list<Label> labels, Expression *expr, bool throwP = false ); |
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268 | virtual ~ReturnStmt(); |
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269 | |
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270 | Expression *get_expr() { return expr; } |
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271 | void set_expr( Expression *newValue ) { expr = newValue; } |
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272 | |
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273 | virtual ReturnStmt *clone() const { return new ReturnStmt( *this ); } |
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274 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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275 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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276 | virtual void print( std::ostream &os, int indent = 0 ); |
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277 | |
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278 | private: |
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279 | Expression *expr; |
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280 | bool isThrow; |
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281 | }; |
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282 | |
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283 | |
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284 | class NullStmt : public CompoundStmt |
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285 | { |
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286 | public: |
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287 | NullStmt(); |
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288 | NullStmt( std::list<Label> labels ); |
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289 | virtual ~NullStmt(); |
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290 | |
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291 | virtual NullStmt *clone() const { return new NullStmt( *this ); } |
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292 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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293 | virtual NullStmt *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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294 | virtual void print( std::ostream &os, int indent = 0 ); |
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295 | |
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296 | private: |
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297 | }; |
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298 | |
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299 | class TryStmt : public Statement |
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300 | { |
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301 | public: |
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302 | TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<Statement *> &handlers, FinallyStmt *finallyBlock = 0 ); |
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303 | TryStmt( const TryStmt &other ); |
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304 | virtual ~TryStmt(); |
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305 | |
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306 | CompoundStmt *get_block() const { return block; } |
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307 | void set_block( CompoundStmt *newValue ) { block = newValue; } |
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308 | std::list<Statement *>& get_catchers() { return handlers; } |
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309 | |
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310 | FinallyStmt *get_finally() const { return finallyBlock; } |
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311 | void set_finally( FinallyStmt *newValue ) { finallyBlock = newValue; } |
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312 | |
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313 | virtual TryStmt *clone() const { return new TryStmt( *this ); } |
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314 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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315 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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316 | virtual void print( std::ostream &os, int indent = 0 ); |
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317 | |
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318 | private: |
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319 | CompoundStmt *block; |
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320 | std::list<Statement *> handlers; |
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321 | FinallyStmt *finallyBlock; |
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322 | }; |
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323 | |
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324 | class CatchStmt : public Statement |
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325 | { |
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326 | public: |
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327 | CatchStmt( std::list<Label> labels, Declaration *decl, Statement *body, bool isCatchRest = false ); |
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328 | virtual ~CatchStmt(); |
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329 | |
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330 | Declaration *get_decl() { return decl; } |
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331 | void set_decl( Declaration *newValue ) { decl = newValue; } |
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332 | |
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333 | Statement *get_body() { return body; } |
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334 | void set_body( Statement *newValue ) { body = newValue; } |
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335 | |
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336 | virtual CatchStmt *clone() const { return new CatchStmt( *this ); } |
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337 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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338 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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339 | virtual void print( std::ostream &os, int indent = 0 ); |
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340 | |
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341 | private: |
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342 | Declaration *decl; |
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343 | Statement *body; |
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344 | bool catchRest; |
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345 | }; |
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346 | |
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347 | class FinallyStmt : public Statement |
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348 | { |
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349 | public: |
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350 | FinallyStmt( std::list<Label> labels, CompoundStmt *block ); |
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351 | virtual ~FinallyStmt(); |
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352 | |
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353 | CompoundStmt *get_block() const { return block; } |
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354 | void set_block( CompoundStmt *newValue ) { block = newValue; } |
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355 | |
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356 | virtual FinallyStmt *clone() const { return new FinallyStmt( *this ); } |
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357 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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358 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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359 | virtual void print( std::ostream &os, int indent = 0 ); |
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360 | |
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361 | private: |
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362 | CompoundStmt *block; |
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363 | }; |
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364 | |
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365 | |
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366 | // represents a declaration that occurs as part of a compound statement |
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367 | class DeclStmt : public Statement |
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368 | { |
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369 | public: |
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370 | DeclStmt( std::list<Label> labels, Declaration *decl ); |
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371 | DeclStmt( const DeclStmt &other ); |
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372 | virtual ~DeclStmt(); |
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373 | |
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374 | Declaration *get_decl() { return decl; } |
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375 | void set_decl( Declaration *newValue ) { decl = newValue; } |
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376 | |
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377 | virtual DeclStmt *clone() const { return new DeclStmt( *this ); } |
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378 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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379 | virtual Statement *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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380 | virtual void print( std::ostream &os, int indent = 0 ); |
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381 | |
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382 | private: |
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383 | Declaration *decl; |
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384 | }; |
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385 | |
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386 | |
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387 | |
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388 | #endif /* #ifndef STATEMENT_H */ |
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389 | |
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390 | /* |
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391 | Local Variables: |
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392 | mode: c++ |
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393 | End: |
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394 | */ |
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