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