[51b7345] | 1 | #include <functional> |
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| 2 | #include <algorithm> |
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| 3 | #include <iostream> |
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| 4 | #include <list> |
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| 5 | #include <cassert> |
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| 6 | |
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| 7 | #include "Statement.h" |
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| 8 | #include "Expression.h" |
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| 9 | #include "Declaration.h" |
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| 10 | #include "Common/SemanticError.h" |
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| 11 | |
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| 12 | using std::string; |
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| 13 | using std::endl; |
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| 14 | |
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| 15 | |
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| 16 | // *** Statement |
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| 17 | Statement::Statement(std::list<Label> _labels): |
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| 18 | labels(_labels) {} |
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| 19 | |
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| 20 | void Statement::print(std::ostream &, int indent) {} |
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| 21 | |
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| 22 | Statement::~Statement() {} |
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| 23 | |
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| 24 | //*** ExprStmt |
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| 25 | ExprStmt::ExprStmt( std::list<Label> _labels, Expression *_expr ): |
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| 26 | Statement(_labels), expr(_expr) {} |
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| 27 | |
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| 28 | ExprStmt::~ExprStmt() {} |
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| 29 | |
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| 30 | void ExprStmt::print( std::ostream &os, int indent ) { |
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| 31 | os << "\r" << string(indent, ' ') << "Expression Statement:" << endl; |
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| 32 | expr->print(os, indent + 2); |
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| 33 | } |
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| 34 | |
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| 35 | //*** BranchStmt |
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| 36 | const char *BranchStmt::brType[] = { "Goto", "Break", "Continue" }; |
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| 37 | |
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| 38 | BranchStmt::BranchStmt( std::list<Label> labels, Label _target, Type _type ) |
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| 39 | throw (SemanticError) : |
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| 40 | Statement(labels), target(_target), type(_type) |
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| 41 | { |
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| 42 | //actually this is a syntactic error signaled by the parser |
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| 43 | if(type == BranchStmt::Goto && target.size() == 0) |
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| 44 | throw SemanticError("goto without target"); |
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| 45 | } |
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| 46 | |
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| 47 | BranchStmt::BranchStmt( std::list<Label> labels, Expression *_computedTarget, Type _type) |
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| 48 | throw (SemanticError) : |
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| 49 | Statement(labels), computedTarget(_computedTarget), type(_type) |
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| 50 | { |
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| 51 | if(type != BranchStmt::Goto || computedTarget == 0) |
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| 52 | throw SemanticError("Computed target not valid in branch statement"); |
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| 53 | } |
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| 54 | |
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| 55 | void BranchStmt::print( std::ostream &os, int indent ){ |
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| 56 | os << "\r" << string(indent, ' ') << "Branch (" << brType[type] << ")" << endl ; |
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| 57 | } |
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| 58 | |
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| 59 | //*** ReturnStmt |
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| 60 | ReturnStmt::ReturnStmt( std::list<Label> labels, Expression *_expr, bool throwP ) : |
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| 61 | Statement( labels ), expr( _expr ), isThrow( throwP ) {} |
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| 62 | |
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| 63 | ReturnStmt::~ReturnStmt() { |
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| 64 | delete expr; |
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| 65 | } |
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| 66 | |
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| 67 | void ReturnStmt::print( std::ostream &os, int indent ){ |
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| 68 | os << "\r" << std::string(indent, ' ') << string ( isThrow? "Throw":"Return" ) << " Statement, returning: "; |
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| 69 | if(expr != 0) expr->print(os); |
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| 70 | os << endl; |
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| 71 | } |
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| 72 | |
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| 73 | |
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| 74 | // *** IfStmt |
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| 75 | IfStmt::IfStmt( std::list<Label> _labels, Expression *_condition, Statement *_thenPart, Statement *_elsePart ): |
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| 76 | Statement(_labels), condition(_condition), thenPart(_thenPart), elsePart(_elsePart) {} |
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| 77 | |
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| 78 | IfStmt::~IfStmt() {} |
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| 79 | |
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| 80 | void IfStmt::print( std::ostream &os, int indent ){ |
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| 81 | os << "\r" << string(indent, ' ') << "If on condition: " << endl ; |
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| 82 | condition->print(os, indent + 4); |
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| 83 | |
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| 84 | os << string(indent, ' ') << ".... and branches: " << endl; |
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| 85 | |
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| 86 | thenPart->print(os, indent + 4); |
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| 87 | |
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| 88 | if(elsePart != 0){ |
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| 89 | elsePart->print(os, indent + 4); |
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| 90 | } |
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| 91 | } |
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| 92 | |
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| 93 | // *** SwitchStmt |
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| 94 | SwitchStmt::SwitchStmt(std::list<Label> _labels, Expression * _condition, std::list<Statement *> &_branches): |
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| 95 | Statement(_labels), condition(_condition), branches(_branches) |
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| 96 | { } |
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| 97 | |
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| 98 | SwitchStmt::~SwitchStmt() { |
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| 99 | delete condition; |
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| 100 | // destroy branches |
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| 101 | } |
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| 102 | |
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| 103 | void SwitchStmt::add_case(CaseStmt *c) {} |
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| 104 | |
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| 105 | void SwitchStmt::print(std::ostream &os, int indent) { |
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| 106 | os << "\r" << string(indent, ' ') << "Switch on condition: "; |
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| 107 | condition->print(os); |
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| 108 | os << endl; |
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| 109 | |
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| 110 | // branches |
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| 111 | std::list<Statement *>::iterator i; |
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| 112 | for(i = branches.begin(); i != branches.end(); i++) |
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| 113 | (*i)->print(os, indent + 4); |
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| 114 | |
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| 115 | //for_each(branches.begin(), branches.end(), mem_fun(bind1st(&Statement::print), os)); |
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| 116 | } |
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| 117 | |
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| 118 | // *** CaseStmt |
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| 119 | CaseStmt::CaseStmt( std::list<Label> _labels, Expression *_condition, |
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| 120 | std::list<Statement *> &_statements, bool deflt ) |
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| 121 | throw (SemanticError) : |
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| 122 | Statement(_labels), condition(_condition), stmts(_statements), _isDefault(deflt) |
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| 123 | { |
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| 124 | if(isDefault() && condition != 0) |
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| 125 | throw SemanticError("default with conditions"); |
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| 126 | } |
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| 127 | |
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| 128 | CaseStmt::~CaseStmt() { |
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| 129 | delete condition; |
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| 130 | } |
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| 131 | |
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| 132 | void CaseStmt::print(std::ostream &os, int indent) { |
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| 133 | os << "\r" << string(indent, ' '); |
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| 134 | |
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| 135 | if(isDefault()) |
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| 136 | os << "Default "; |
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| 137 | else { |
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| 138 | os << "Case "; |
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| 139 | condition->print(os); |
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| 140 | } |
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| 141 | |
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| 142 | os << endl; |
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| 143 | |
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| 144 | std::list<Statement *>::iterator i; |
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| 145 | for(i = stmts.begin(); i != stmts.end(); i++) |
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| 146 | (*i)->print(os, indent + 4); |
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| 147 | } |
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| 148 | |
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| 149 | //*** ChooseStmt |
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| 150 | //ChooseStmt::ChooseStmt( std::list<Label> labels, Expression *condition, Statement *body ) {} |
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| 151 | ChooseStmt::ChooseStmt(std::list<Label> _labels, Expression * _condition, std::list<Statement *> &_branches): |
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| 152 | Statement(_labels), condition(_condition), branches(_branches) |
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| 153 | { } |
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| 154 | |
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| 155 | ChooseStmt::~ChooseStmt() { |
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| 156 | delete condition; |
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| 157 | } |
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| 158 | |
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| 159 | void ChooseStmt::add_case(CaseStmt *c) {} |
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| 160 | |
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| 161 | void ChooseStmt::print(std::ostream &os, int indent) { |
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| 162 | os << "\r" << string(indent, ' ') << "Choose on condition: "; |
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| 163 | condition->print(os); |
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| 164 | os << endl; |
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| 165 | |
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| 166 | // branches |
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| 167 | std::list<Statement *>::iterator i; |
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| 168 | for(i = branches.begin(); i != branches.end(); i++) |
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| 169 | (*i)->print(os, indent + 4); |
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| 170 | |
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| 171 | //for_each(branches.begin(), branches.end(), mem_fun(bind1st(&Statement::print), os)); |
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| 172 | } |
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| 173 | |
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| 174 | //*** FallthruStmt |
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| 175 | void FallthruStmt::print(std::ostream &os, int indent) { |
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| 176 | os << "\r" << string(indent, ' ') << "Fall-through statement" << endl; |
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| 177 | } |
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| 178 | |
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| 179 | //*** WhileStmt |
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| 180 | WhileStmt::WhileStmt( std::list<Label> labels, Expression *condition_, |
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| 181 | Statement *body_, bool isDoWhile_ ): |
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| 182 | Statement( labels ), condition(condition_), body(body_), isDoWhile(isDoWhile_) |
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| 183 | {} |
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| 184 | |
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| 185 | WhileStmt::~WhileStmt(){ |
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| 186 | delete body; |
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| 187 | } |
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| 188 | |
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| 189 | void WhileStmt::print( std::ostream &os, int indent ){ |
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| 190 | os << "\r" << string(indent, ' ') << "While on condition: " << endl ; |
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| 191 | condition->print(os, indent + 4); |
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| 192 | |
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| 193 | os << string(indent, ' ') << ".... with body: " << endl; |
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| 194 | |
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| 195 | if(body != 0) body->print(os, indent + 4); |
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| 196 | } |
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| 197 | |
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| 198 | //*** ForStmt |
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| 199 | ForStmt::ForStmt( std::list<Label> labels, Statement *initialization_, |
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| 200 | Expression *condition_, Expression *increment_, Statement *body_ ): |
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| 201 | Statement( labels ), initialization( initialization_ ), |
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| 202 | condition( condition_ ), increment( increment_ ), body( body_ ) |
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| 203 | { } |
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| 204 | |
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| 205 | |
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| 206 | ForStmt::~ForStmt() { |
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| 207 | delete initialization; |
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| 208 | delete condition; |
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| 209 | delete increment; |
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| 210 | delete body; |
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| 211 | } |
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| 212 | |
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| 213 | void ForStmt::print( std::ostream &os, int indent ){ |
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| 214 | os << "\r" << string(indent, ' ') << "For Statement" << endl ; |
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| 215 | |
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| 216 | os << "\r" << string(indent + 2, ' ') << "initialization: \n"; |
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| 217 | if (initialization != 0) |
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| 218 | initialization->print(os, indent + 4); |
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| 219 | |
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| 220 | os << "\n\r" << string(indent + 2, ' ') << "condition: \n"; |
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| 221 | if (condition != 0) |
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| 222 | condition->print(os, indent + 4); |
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| 223 | |
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| 224 | os << "\n\r" << string(indent + 2, ' ') << "increment: \n"; |
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| 225 | if (increment != 0) |
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| 226 | increment->print(os, indent + 4); |
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| 227 | |
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| 228 | os << "\n\r" << string(indent + 2, ' ') << "statement block: \n"; |
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| 229 | if(body != 0) |
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| 230 | body->print(os, indent + 4); |
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| 231 | |
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| 232 | os << endl; |
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| 233 | } |
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| 234 | |
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| 235 | //*** TryStmt |
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| 236 | TryStmt::TryStmt( std::list<Label> labels, CompoundStmt *tryBlock, std::list<Statement *> &_handlers, FinallyStmt *_finallyBlock ) : |
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| 237 | Statement( labels ), block( tryBlock ), handlers( _handlers ), finallyBlock( _finallyBlock ) |
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| 238 | { } |
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| 239 | |
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| 240 | TryStmt::TryStmt( const TryStmt &other) : Statement( other.labels ) { |
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| 241 | block = other.block; |
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| 242 | std::copy( other.handlers.begin(), other.handlers.end(), back_inserter(handlers) ); |
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| 243 | finallyBlock = other.finallyBlock; |
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| 244 | } |
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| 245 | |
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| 246 | TryStmt::~TryStmt(){ |
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| 247 | delete block; |
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| 248 | } |
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| 249 | |
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| 250 | void TryStmt::print( std::ostream &os, int indent ) { |
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| 251 | os << "\r" << string(indent, ' ') << "Try Statement" << endl; |
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| 252 | os << string(indent + 2, ' ') << "with block: " << endl; |
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| 253 | block->print(os, indent + 4); |
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| 254 | |
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| 255 | // handlers |
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| 256 | os << string(indent + 2, ' ') << "and handlers: " << endl; |
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| 257 | std::list<Statement *>::iterator i; |
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| 258 | for(i = handlers.begin(); i != handlers.end(); i++) |
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| 259 | (*i)->print(os, indent + 4); |
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| 260 | |
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| 261 | // finally block |
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| 262 | if ( finallyBlock != 0 ) { |
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| 263 | os << string(indent + 2, ' ') << "Finally block: " << endl; |
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| 264 | finallyBlock->print(os, indent + 4 ); |
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| 265 | } |
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| 266 | } |
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| 267 | |
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| 268 | //*** CatchStmt |
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| 269 | CatchStmt::CatchStmt( std::list<Label> labels, Declaration *_decl, Statement *_body, bool isCatchRest ) : |
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| 270 | Statement( labels ), decl ( _decl ), body( _body ), catchRest ( isCatchRest ) |
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| 271 | { } |
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| 272 | |
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| 273 | CatchStmt::~CatchStmt(){ |
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| 274 | delete decl; |
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| 275 | delete body; |
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| 276 | } |
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| 277 | |
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| 278 | void CatchStmt::print( std::ostream &os, int indent ) { |
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| 279 | os << "\r" << string(indent, ' ') << "Catch Statement" << endl; |
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| 280 | |
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| 281 | os << "\r" << string(indent, ' ') << "... catching" << endl; |
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| 282 | if( decl ) { |
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| 283 | decl->printShort( os, indent + 4 ); |
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| 284 | os << endl; |
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| 285 | } else if ( catchRest ) |
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| 286 | os << "\r" << string(indent + 4 , ' ') << "the rest" << endl; |
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| 287 | else |
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| 288 | os << "\r" << string(indent + 4 , ' ') << ">>> Error: this catch clause must have a declaration <<<" << endl; |
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| 289 | } |
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| 290 | |
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| 291 | |
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| 292 | //*** FinallyStmt |
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| 293 | FinallyStmt::FinallyStmt( std::list<Label> labels, CompoundStmt *_block ) : |
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| 294 | Statement( labels ), block( _block ) |
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| 295 | { |
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| 296 | assert( labels.empty() ); // finally statement cannot be labeled |
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| 297 | } |
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| 298 | |
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| 299 | FinallyStmt::~FinallyStmt(){ |
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| 300 | delete block; |
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| 301 | } |
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| 302 | |
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| 303 | void FinallyStmt::print( std::ostream &os, int indent ) { |
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| 304 | os << "\r" << string(indent, ' ') << "Finally Statement" << endl; |
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| 305 | os << string(indent + 2, ' ') << "with block: " << endl; |
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| 306 | block->print(os, indent + 4); |
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| 307 | } |
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| 308 | |
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| 309 | //*** NullStmt |
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| 310 | NullStmt::NullStmt( std::list<Label> labels ) : CompoundStmt( labels ) {} |
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| 311 | NullStmt::NullStmt() : CompoundStmt( std::list<Label>() ) {} |
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| 312 | NullStmt::~NullStmt() {} |
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| 313 | |
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| 314 | void NullStmt::print( std::ostream &os, int indent ) { |
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| 315 | os << "\r" << string(indent, ' ') << "Null Statement" << endl ; |
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| 316 | } |
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| 317 | |
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| 318 | |
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| 319 | |
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| 320 | /* |
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| 321 | Local Variables: |
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| 322 | compile-command: "cd ..; gmake" |
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| 323 | End: |
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| 324 | */ |
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