1 | #include "translate.h" |
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2 | #include "../Parser/ParseNode.h" |
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3 | |
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4 | |
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5 | #include "Statement.h" |
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6 | #include "Expression.h" |
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7 | #include "Constant.h" |
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8 | #include "Type.h" |
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9 | |
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10 | int translate_driver(ParseNode *pn){ |
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11 | // in effect, this function is a visitor of sorts |
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12 | |
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13 | if (pn == 0) |
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14 | exit(1); |
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15 | |
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16 | /* Type switching considered harmful */ |
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17 | |
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18 | switch(pn->what_kind()){ |
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19 | case ParseNode::Statement: |
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20 | translate((StatementNode *)pn); |
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21 | break; |
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22 | case ParseNode::Expression: |
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23 | translate((ExpressionNode *)pn); |
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24 | break; |
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25 | default: |
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26 | translate(pn); |
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27 | break; |
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28 | } |
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29 | |
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30 | return 0; |
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31 | } |
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32 | |
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33 | Expression *translate(ExpressionNode *en){ |
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34 | Expression *expr; |
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35 | |
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36 | switch(en->what_kind()){ |
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37 | case ParseNode::CompositeExpression: |
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38 | break; |
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39 | case ParseNode::Constant: |
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40 | expr = translate((ConstantNode *)en); |
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41 | break; |
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42 | case ParseNode::VarRef: |
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43 | cout << "It's a varref" << endl; |
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44 | break; |
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45 | case ParseNode::Operator: |
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46 | cout << "It's an operator" << endl; |
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47 | break; |
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48 | default: |
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49 | break; |
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50 | } |
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51 | |
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52 | return expr; |
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53 | } |
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54 | |
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55 | Statement *translate(StatementNode *sn){ |
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56 | Statement *stmt = 0; |
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57 | |
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58 | switch(sn->get_type()){ |
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59 | case StatementNode::Exp: |
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60 | translate(sn->get_control()); |
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61 | break; |
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62 | case StatementNode::If: |
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63 | cout << "if" << endl; |
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64 | translate(sn->get_control()); |
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65 | break; |
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66 | case StatementNode::Switch: |
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67 | cout << "switch" << endl; |
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68 | break; |
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69 | case StatementNode::Case: |
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70 | cout << "case" << endl; |
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71 | break; |
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72 | case StatementNode::Default: |
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73 | cout << "default" << endl; |
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74 | break; |
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75 | case StatementNode::Choose: |
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76 | cout << "choose" << endl; |
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77 | break; |
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78 | case StatementNode::Fallthru: |
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79 | cout << "fallthru" << endl; |
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80 | break; |
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81 | case StatementNode::While: |
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82 | cout << "while" << endl; |
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83 | break; |
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84 | case StatementNode::Do: |
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85 | cout << "do" << endl; |
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86 | break; |
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87 | case StatementNode::For: |
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88 | cout << "for" << endl; |
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89 | break; |
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90 | case StatementNode::Goto: |
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91 | cout << "goto" << endl; |
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92 | break; |
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93 | case StatementNode::Continue: |
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94 | cout << "continue" << endl; |
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95 | break; |
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96 | case StatementNode::Break: |
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97 | cout << "break" << endl; |
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98 | break; |
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99 | case StatementNode::Return: |
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100 | cout << "return" << endl; |
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101 | break; |
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102 | case StatementNode::Throw: |
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103 | cout << "throw" << endl; |
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104 | break; |
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105 | case StatementNode::Try: |
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106 | cout << "try" << endl; |
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107 | break; |
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108 | case StatementNode::Catch: |
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109 | cout << "catch" << endl; |
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110 | break; |
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111 | case StatementNode::Asm: |
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112 | cout << "asm" << endl; |
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113 | break; |
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114 | default: |
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115 | break; |
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116 | } |
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117 | |
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118 | return stmt; |
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119 | } |
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120 | |
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121 | ConstantExpr *translate(ConstantNode *cn){ |
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122 | ConstantExpr *cnst; |
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123 | BasicType::Kind knd; |
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124 | |
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125 | struct Type::Qualifiers tq = {0,0,0}; |
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126 | struct BasicType::Modifiers tm = {0,0,0,0}; |
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127 | |
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128 | switch(cn->get_type()){ |
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129 | case ConstantNode::Integer: |
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130 | knd = BasicType::Int; |
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131 | break; |
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132 | case ConstantNode::Float: |
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133 | knd = BasicType::Float; |
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134 | break; |
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135 | case ConstantNode::Character: |
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136 | knd = BasicType::Char; |
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137 | break; |
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138 | case ConstantNode::String: |
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139 | break; |
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140 | default: |
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141 | break; |
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142 | } |
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143 | |
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144 | Constant *c = new Constant(new BasicType(tq,tm,knd), cn->get_name()); |
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145 | cnst = new ConstantExpr(*c); |
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146 | |
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147 | return cnst; |
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148 | } |
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149 | |
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150 | Expression *translate(CompositeExprNode *ce){ |
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151 | return 0; |
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152 | } |
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153 | |
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154 | int translate(ParseNode *pn){ |
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155 | cout << "In translate - parsenode" << endl; |
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156 | |
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157 | return 0; |
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158 | } |
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