Driver.hpp

   1 /* Cycript - Optimizing JavaScript Compiler/Runtime
   2  * Copyright (C) 2009-2015  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Affero General Public License, Version 3 {{{ */
   6 /*
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #ifndef CYCRIPT_DRIVER_HPP
  23 #define CYCRIPT_DRIVER_HPP
  24
  25 #include <iostream>
  26
  27 #include <stack>
  28 #include <string>
  29 #include <vector>
  30
  31 #include "Location.hpp"
  32 #include "Parser.hpp"
  33
  34 enum CYState {
  35     CYClear,
  36     CYRestricted,
  37     CYNewLine
  38 };
  39
  40 class _visible CYDriver {
  41   public:
  42     CYPool &pool_;
  43     void *scanner_;
  44
  45     CYState state_;
  46     std::stack<bool> in_;
  47
  48     struct {
  49         bool AtImplementation;
  50         bool Function;
  51         bool OpenBrace;
  52     } no_;
  53
  54     std::istream &data_;
  55
  56     int debug_;
  57     bool strict_;
  58     bool commented_;
  59
  60     enum Condition {
  61         RegExpCondition,
  62         XMLContentCondition,
  63         XMLTagCondition,
  64     };
  65
  66     std::string filename_;
  67
  68     struct Error {
  69         bool warning_;
  70         CYLocation location_;
  71         std::string message_;
  72     };
  73
  74     typedef std::vector<Error> Errors;
  75
  76     CYProgram *program_;
  77     Errors errors_;
  78
  79     bool auto_;
  80
  81     struct Context {
  82         CYExpression *context_;
  83
  84         Context(CYExpression *context) :
  85             context_(context)
  86         {
  87         }
  88
  89         typedef std::vector<CYWord *> Words;
  90         Words words_;
  91     };
  92
  93     typedef std::vector<Context> Contexts;
  94     Contexts contexts_;
  95
  96     CYExpression *context_;
  97
  98     enum Mode {
  99         AutoNone,
 100         AutoPrimary,
 101         AutoDirect,
 102         AutoIndirect,
 103         AutoMessage
 104     } mode_;
 105
 106   private:
 107     void ScannerInit();
 108     void ScannerDestroy();
 109
 110   public:
 111     CYDriver(CYPool &pool, std::istream &data, const std::string &filename = "");
 112     ~CYDriver();
 113
 114     bool Parse();
 115     void Replace(CYOptions &options);
 116
 117     Condition GetCondition();
 118     void SetCondition(Condition condition);
 119
 120     void PushCondition(Condition condition);
 121     void PopCondition();
 122
 123     void Warning(const CYLocation &location, const char *message);
 124 };
 125
 126 #endif/*CYCRIPT_DRIVER_HPP*/