Initial copy of Scintilla 3.21 code

[wxWidgets.git] / src / stc / scintilla / lexlib / LexerNoExceptions.cxx

diff --git a/src/stc/scintilla/lexlib/LexerNoExceptions.cxx b/src/stc/scintilla/lexlib/LexerNoExceptions.cxx
new file mode 100644 (file)
index 0000000..9ebae2a
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+++ b/src/stc/scintilla/lexlib/LexerNoExceptions.cxx
@@ -0,0 +1,68 @@
+// 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 <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <ctype.h>
+
+#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"
+
+#ifdef SCI_NAMESPACE
+using namespace Scintilla;
+#endif
+
+int 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;
+}
+
+int 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(unsigned int startPos, int length, int initStyle, IDocument *pAccess) {
+       try {
+               Accessor astyler(pAccess, &props);
+               Lexer(startPos, length, 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(unsigned int startPos, int length, int initStyle, IDocument *pAccess) {
+       try {
+               Accessor astyler(pAccess, &props);
+               Folder(startPos, length, 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);
+       }
+}