summaryrefslogtreecommitdiffstats
path: root/squirrel_3_0_1_stable/squirrel/sqlexer.h
blob: d3283c6f7ca9da7e01820f83336e8dcd5e0c5768 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
/*	see copyright notice in squirrel.h */
#ifndef _SQLEXER_H_
#define _SQLEXER_H_

#ifdef SQUNICODE
typedef SQChar LexChar;
#else
typedef	unsigned char LexChar;
#endif

struct SQLexer
{
	SQLexer();
	~SQLexer();
	void Init(SQSharedState *ss,SQLEXREADFUNC rg,SQUserPointer up,CompilerErrorFunc efunc,void *ed);
	void Error(const SQChar *err);
	SQInteger Lex();
	const SQChar *Tok2Str(SQInteger tok);
private:
	SQInteger GetIDType(SQChar *s);
	SQInteger ReadString(SQInteger ndelim,bool verbatim);
	SQInteger ReadNumber();
	void LexBlockComment();
	void LexLineComment();
	SQInteger ReadID();
	void Next();
	SQInteger _curtoken;
	SQTable *_keywords;
	SQBool _reached_eof;
public:
	SQInteger _prevtoken;
	SQInteger _currentline;
	SQInteger _lasttokenline;
	SQInteger _currentcolumn;
	const SQChar *_svalue;
	SQInteger _nvalue;
	SQFloat _fvalue;
	SQLEXREADFUNC _readf;
	SQUserPointer _up;
	LexChar _currdata;
	SQSharedState *_sharedstate;
	sqvector<SQChar> _longstr;
	CompilerErrorFunc _errfunc;
	void *_errtarget;
};

#endif