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// Scintilla source code edit control
/** @file KeyWords.cxx
** Colourise for particular languages.
**/
// Copyright 1998-2002 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include <stdarg.h>
#include "Platform.h"
#include "PropSet.h"
#include "Accessor.h"
#include "KeyWords.h"
#include "Scintilla.h"
#include "SciLexer.h"
LexerModule *LexerModule::base = 0;
int LexerModule::nextLanguage = SCLEX_AUTOMATIC+1;
LexerModule::LexerModule(int language_, LexerFunction fnLexer_,
const char *languageName_, LexerFunction fnFolder_) :
language(language_),
languageName(languageName_),
fnLexer(fnLexer_),
fnFolder(fnFolder_) {
next = base;
base = this;
if (language == SCLEX_AUTOMATIC) {
language = nextLanguage;
nextLanguage++;
}
}
LexerModule *LexerModule::Find(int language) {
LexerModule *lm = base;
while (lm) {
if (lm->language == language) {
return lm;
}
lm = lm->next;
}
return 0;
}
LexerModule *LexerModule::Find(const char *languageName) {
if (languageName) {
LexerModule *lm = base;
while (lm) {
if (lm->languageName && 0 == strcmp(lm->languageName, languageName)) {
return lm;
}
lm = lm->next;
}
}
return 0;
}
void LexerModule::Lex(unsigned int startPos, int lengthDoc, int initStyle,
WordList *keywordlists[], Accessor &styler) {
if (fnLexer)
fnLexer(startPos, lengthDoc, initStyle, keywordlists, styler);
}
void LexerModule::Fold(unsigned int startPos, int lengthDoc, int initStyle,
WordList *keywordlists[], Accessor &styler) {
if (fnFolder) {
int lineCurrent = styler.GetLine(startPos);
// Move back one line in case deletion wrecked current line fold state
if (lineCurrent > 0) {
lineCurrent--;
int newStartPos = styler.LineStart(lineCurrent);
lengthDoc += startPos - newStartPos;
startPos = newStartPos;
initStyle = 0;
if (startPos > 0) {
initStyle = styler.StyleAt(startPos - 1);
}
}
fnFolder(startPos, lengthDoc, initStyle, keywordlists, styler);
}
}
static void ColouriseNullDoc(unsigned int startPos, int length, int, WordList *[],
Accessor &styler) {
// Null language means all style bytes are 0 so just mark the end - no need to fill in.
if (length > 0) {
styler.StartAt(startPos + length - 1);
styler.StartSegment(startPos + length - 1);
styler.ColourTo(startPos + length - 1, 0);
}
}
LexerModule lmNull(SCLEX_NULL, ColouriseNullDoc, "null");
#ifdef __vms
#define LINK_LEXERS
#endif
#ifdef LINK_LEXERS
// The following code forces a reference to all of the Scintilla lexers.
// If we don't do something like this, then the linker tends to "optimize"
// them away. (eric@sourcegear.com)
// Taken from wxWindow's stc.cpp. Walter.
int wxForceScintillaLexers(void) {
Scintilla_LinkLexers();
}
int Scintilla_LinkLexers() {
extern LexerModule lmAda;
extern LexerModule lmAVE;
extern LexerModule lmBaan;
extern LexerModule lmBatch;
extern LexerModule lmConf;
extern LexerModule lmCPP;
extern LexerModule lmDiff;
extern LexerModule lmEiffel;
extern LexerModule lmEiffelkw;
extern LexerModule lmErrorList;
extern LexerModule lmHTML;
extern LexerModule lmLatex;
extern LexerModule lmLISP;
extern LexerModule lmLua;
extern LexerModule lmMake;
extern LexerModule lmPascal;
extern LexerModule lmPerl;
extern LexerModule lmProps;
extern LexerModule lmPython;
extern LexerModule lmRuby;
extern LexerModule lmSQL;
extern LexerModule lmVB;
extern LexerModule lmXML;
extern LexerModule lmBullant;
if (
&lmAda
&& &lmAVE
&& &lmBaan
&& &lmConf
&& &lmDiff
&& &lmLatex
&& &lmPascal
&& &lmCPP
&& &lmHTML
&& &lmXML
&& &lmProps
&& &lmErrorList
&& &lmMake
&& &lmBatch
&& &lmPerl
&& &lmPython
&& &lmSQL
&& &lmVB
&& &lmRuby
&& &lmEiffel
&& &lmEiffelkw
&& &lmLISP
&& &lmLua
&& &lmNull
&& &lmBullant
)
{
return 1;
}
else
{
return 0;
}
}
#endif
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