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