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103 lines
2.9 KiB
103 lines
2.9 KiB
// Scintilla source code edit control
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/** @file ExternalLexer.h
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** Support external lexers in DLLs.
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**/
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// Copyright 2001 Simon Steele <ss@pnotepad.org>, portions copyright Neil Hodgson.
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// The License.txt file describes the conditions under which this software may be distributed.
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#ifndef EXTERNALLEXER_H
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#define EXTERNALLEXER_H
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#if PLAT_WIN
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#define EXT_LEXER_DECL __stdcall
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#elif PLAT_GTK
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#define EXT_LEXER_DECL
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#elif PLAT_TQT
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#include <tqglobal.h>
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#if defined(Q_OS_WIN32) || defined(Q_OS_WIN64)
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#define EXT_LEXER_DECL __stdcall
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#else
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#define EXT_LEXER_DECL
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#endif
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#endif
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// External Lexer function definitions...
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typedef void (EXT_LEXER_DECL *ExtLexerFunction)(unsigned int lexer, unsigned int startPos, int length, int initStyle,
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char *words[], WindowID window, char *props);
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typedef void (EXT_LEXER_DECL *ExtFoldFunction)(unsigned int lexer, unsigned int startPos, int length, int initStyle,
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char *words[], WindowID window, char *props);
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typedef void* (EXT_LEXER_DECL *GetLexerFunction)(unsigned int Index);
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typedef int (EXT_LEXER_DECL *GetLexerCountFn)();
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typedef void (EXT_LEXER_DECL *GetLexerNameFn)(unsigned int Index, char *name, int buflength);
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//class DynamicLibrary;
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/// Sub-class of LexerModule to use an external lexer.
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class ExternalLexerModule : protected LexerModule {
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protected:
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ExtLexerFunction fneLexer;
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ExtFoldFunction fneFolder;
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int externalLanguage;
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char name[100];
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public:
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ExternalLexerModule(int language_, LexerFunction fnLexer_,
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const char *languageName_=0, LexerFunction fnFolder_=0) : LexerModule(language_, fnLexer_, 0, fnFolder_){
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strncpy(name, languageName_, sizeof(name));
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languageName = name;
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};
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virtual void Lex(unsigned int startPos, int lengthDoc, int initStyle,
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WordList *keywordlists[], Accessor &styler) const;
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virtual void Fold(unsigned int startPos, int lengthDoc, int initStyle,
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WordList *keywordlists[], Accessor &styler) const;
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virtual void SetExternal(ExtLexerFunction fLexer, ExtFoldFunction fFolder, int index);
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};
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/// LexerMinder points to an ExternalLexerModule - so we don't leak them.
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class LexerMinder {
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public:
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ExternalLexerModule *self;
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LexerMinder *next;
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};
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/// LexerLibrary exists for every External Lexer DLL, contains LexerMinders.
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class LexerLibrary {
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DynamicLibrary *lib;
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LexerMinder *first;
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LexerMinder *last;
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public:
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LexerLibrary(const char* ModuleName);
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~LexerLibrary();
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void Release();
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LexerLibrary *next;
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SString m_sModuleName;
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};
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/// LexerManager manages external lexers, contains LexerLibrarys.
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class LexerManager {
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public:
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~LexerManager();
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static LexerManager *GetInstance();
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static void DeleteInstance();
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void Load(const char* path);
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void Clear();
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private:
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LexerManager();
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static LexerManager *theInstance;
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void LoadLexerLibrary(const char* module);
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LexerLibrary *first;
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LexerLibrary *last;
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};
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class LMMinder {
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public:
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~LMMinder();
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};
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#endif
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