ScriptScanner.h revision 87f34658dec9097d987d254a990ea7f311bfc95f 
1//===- ScriptScanner.h ----------------------------------------------------===//
2//
3//                     The MCLinker Project
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9#ifndef MCLD_SCRIPT_SCRIPTSCANNER_H
10#define MCLD_SCRIPT_SCRIPTSCANNER_H
11#ifdef ENABLE_UNITTEST
12#include <gtest.h>
13#endif
14
15#ifndef __FLEX_LEXER_H
16#include "FlexLexer.h"
17#endif
18
19#ifndef YY_DECL
20#define YY_DECL                                                       \
21  mcld::ScriptParser::token_type                                      \
22  mcld::ScriptScanner::lex(mcld::ScriptParser::semantic_type* yylval, \
23                           mcld::ScriptParser::location_type* yylloc, \
24                           const mcld::ScriptFile& pScriptFile)
25#endif
26
27#include <mcld/Script/ScriptFile.h>
28#include "ScriptParser.h"
29#include <stack>
30
31namespace mcld {
32
33/** \class ScriptScanner
34 *
35 */
36class ScriptScanner : public yyFlexLexer
37{
38public:
39  ScriptScanner(std::istream* yyin = NULL, std::ostream* yyout = NULL);
40
41  virtual ~ScriptScanner();
42
43  virtual ScriptParser::token_type lex(ScriptParser::semantic_type* yylval,
44                                       ScriptParser::location_type* yylloc,
45                                       const ScriptFile& pScriptFile);
46
47  void setLexState(ScriptFile::Kind pKind);
48
49  void popLexState();
50
51private:
52  void enterComments(ScriptParser::location_type& pLocation);
53
54private:
55  ScriptFile::Kind m_Kind;
56  std::stack<ScriptFile::Kind> m_StateStack;
57};
58
59} // namespace of mcld
60
61#endif
62
63