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// Scintilla source code edit control
/** @file LexerNoExceptions.cxx
** A simple lexer with no state which does not throw exceptions so can be used in an external lexer.
**/
// Copyright 1998-2010 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#include <cstdlib>
#include <cassert>
#include "ILexer.h"
#include "Scintilla.h"
#include "SciLexer.h"
#include "PropSetSimple.h"
#include "WordList.h"
#include "LexAccessor.h"
#include "Accessor.h"
#include "LexerModule.h"
#include "LexerBase.h"
#include "LexerNoExceptions.h"
using namespace Scintilla;
Sci_Position SCI_METHOD LexerNoExceptions::PropertySet(const char *key, const char *val) {
try {
return LexerBase::PropertySet(key, val);
} catch (...) {
// Should not throw into caller as may be compiled with different compiler or options
}
return -1;
}
Sci_Position SCI_METHOD LexerNoExceptions::WordListSet(int n, const char *wl) {
try {
return LexerBase::WordListSet(n, wl);
} catch (...) {
// Should not throw into caller as may be compiled with different compiler or options
}
return -1;
}
void SCI_METHOD LexerNoExceptions::Lex(Sci_PositionU startPos, Sci_Position lengthDoc, int initStyle, IDocument *pAccess) {
try {
Accessor astyler(pAccess, &props);
Lexer(startPos, lengthDoc, initStyle, pAccess, astyler);
astyler.Flush();
} catch (...) {
// Should not throw into caller as may be compiled with different compiler or options
pAccess->SetErrorStatus(SC_STATUS_FAILURE);
}
}
void SCI_METHOD LexerNoExceptions::Fold(Sci_PositionU startPos, Sci_Position lengthDoc, int initStyle, IDocument *pAccess) {
try {
Accessor astyler(pAccess, &props);
Folder(startPos, lengthDoc, initStyle, pAccess, astyler);
astyler.Flush();
} catch (...) {
// Should not throw into caller as may be compiled with different compiler or options
pAccess->SetErrorStatus(SC_STATUS_FAILURE);
}
}
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