1// Scintilla source code edit control
2/** @file LexerBase.h
3 ** A simple lexer with no state.
4 **/
5// Copyright 1998-2010 by Neil Hodgson <neilh@scintilla.org>
6// The License.txt file describes the conditions under which this software may be distributed.
7
8#ifndef LEXERBASE_H
9#define LEXERBASE_H
10
11namespace Lexilla {
12
13// A simple lexer with no state
14class LexerBase : public Scintilla::ILexer5 {
15protected:
16 const LexicalClass *lexClasses;
17 size_t nClasses;
18 PropSetSimple props;
19 enum {numWordLists=KEYWORDSET_MAX+1};
20 WordList *keyWordLists[numWordLists+1];
21public:
22 LexerBase(const LexicalClass *lexClasses_=nullptr, size_t nClasses_=0);
23 virtual ~LexerBase();
24 void SCI_METHOD Release() override;
25 int SCI_METHOD Version() const override;
26 const char * SCI_METHOD PropertyNames() override;
27 int SCI_METHOD PropertyType(const char *name) override;
28 const char * SCI_METHOD DescribeProperty(const char *name) override;
29 Sci_Position SCI_METHOD PropertySet(const char *key, const char *val) override;
30 const char * SCI_METHOD DescribeWordListSets() override;
31 Sci_Position SCI_METHOD WordListSet(int n, const char *wl) override;
32 void SCI_METHOD Lex(Sci_PositionU startPos, Sci_Position lengthDoc, int initStyle, Scintilla::IDocument *pAccess) override = 0;
33 void SCI_METHOD Fold(Sci_PositionU startPos, Sci_Position lengthDoc, int initStyle, Scintilla::IDocument *pAccess) override = 0;
34 void * SCI_METHOD PrivateCall(int operation, void *pointer) override;
35 int SCI_METHOD LineEndTypesSupported() override;
36 int SCI_METHOD AllocateSubStyles(int styleBase, int numberStyles) override;
37 int SCI_METHOD SubStylesStart(int styleBase) override;
38 int SCI_METHOD SubStylesLength(int styleBase) override;
39 int SCI_METHOD StyleFromSubStyle(int subStyle) override;
40 int SCI_METHOD PrimaryStyleFromStyle(int style) override;
41 void SCI_METHOD FreeSubStyles() override;
42 void SCI_METHOD SetIdentifiers(int style, const char *identifiers) override;
43 int SCI_METHOD DistanceToSecondaryStyles() override;
44 const char * SCI_METHOD GetSubStyleBases() override;
45 int SCI_METHOD NamedStyles() override;
46 const char * SCI_METHOD NameOfStyle(int style) override;
47 const char * SCI_METHOD TagsOfStyle(int style) override;
48 const char * SCI_METHOD DescriptionOfStyle(int style) override;
49 // ILexer5 methods
50 const char * SCI_METHOD GetName() override;
51 int SCI_METHOD GetIdentifier() override;
52 const char *SCI_METHOD PropertyGet(const char *key) override;
53};
54
55}
56
57#endif
58