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1 #ifndef __CALC_DRIVER_H__
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2 #define __CALC_DRIVER_H__
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3
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4 #include "calc-parser.hh"
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5 #include "node.h"
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6
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7 // Forward declarations.
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8 class calc_driver;
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9
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10 #define YY_DECL \
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11 yy::calc_parser::token_type \
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12 yylex(yy::calc_parser::semantic_type* yylval, \
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13 calc_driver& driver)
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14
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15 YY_DECL;
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16
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17 class calc_driver {
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18 public:
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19 calc_driver();
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20 virtual ~calc_driver();
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21
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22 std::string &get_filename() { return file; }
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23 bool calc(const std::string &f);
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24
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25 int value(const std::string *name)
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26 {
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27 return values[*name];
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28 }
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29 void assign(const std::string *value, cnode *node);
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30 void print(cnode *node);
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31 void list();
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32
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33 // Error handling.
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34 void error(const std::string& m);
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35
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36 private:
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37 void scan_begin();
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38 void scan_end();
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39
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40 private:
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41 std::map<std::string, int> values; // 変数テーブル
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42
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43 std::string file;
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44 } ;
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45
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46 #endif
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