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 CYDriver {
  41   public:
  42     void *scanner_;
  43
  44     CYState state_;
  45     std::stack<bool> in_;
  46
  47     struct {
  48         bool AtImplementation;
  49         bool Function;
  50         bool OpenBrace;
  51     } no_;
  52
  53     std::istream &data_;
  54
  55     bool strict_;
  56     bool commented_;
  57
  58     enum Condition {
  59         RegExpCondition,
  60         XMLContentCondition,
  61         XMLTagCondition,
  62     };
  63
  64     std::string filename_;
  65
  66     struct Error {
  67         bool warning_;
  68         CYLocation location_;
  69         std::string message_;
  70     };
  71
  72     typedef std::vector<Error> Errors;
  73
  74     CYProgram *program_;
  75     Errors errors_;
  76
  77     bool auto_;
  78
  79     struct Context {
  80         CYExpression *context_;
  81
  82         Context(CYExpression *context) :
  83             context_(context)
  84         {
  85         }
  86
  87         typedef std::vector<CYWord *> Words;
  88         Words words_;
  89     };
  90
  91     typedef std::vector<Context> Contexts;
  92     Contexts contexts_;
  93
  94     CYExpression *context_;
  95
  96     enum Mode {
  97         AutoNone,
  98         AutoPrimary,
  99         AutoDirect,
 100         AutoIndirect,
 101         AutoMessage
 102     } mode_;
 103
 104   private:
 105     void ScannerInit();
 106     void ScannerDestroy();
 107
 108   public:
 109     CYDriver(std::istream &data, const std::string &filename = "");
 110     ~CYDriver();
 111
 112     Condition GetCondition();
 113     void SetCondition(Condition condition);
 114
 115     void PushCondition(Condition condition);
 116     void PopCondition();
 117
 118     void Warning(const CYLocation &location, const char *message);
 119 };
 120
 121 #endif/*CYCRIPT_DRIVER_HPP*/