1// Scintilla source code edit control
2/** @file LexerNoExceptions.cxx
3 ** A simple lexer with no state which does not throw exceptions so can be used in an external lexer.
4 **/
5// Copyright 1998-2010 by Neil Hodgson <neilh@scintilla.org>
6// The License.txt file describes the conditions under which this software may be distributed.
7
8#include <cstdlib>
9#include <cassert>
10
11#include <string>
12#include <string_view>
13
14#include "ILexer.h"
15#include "Scintilla.h"
16#include "SciLexer.h"
17
18#include "PropSetSimple.h"
19#include "WordList.h"
20#include "LexAccessor.h"
21#include "Accessor.h"
22#include "LexerModule.h"
23#include "LexerBase.h"
24#include "LexerNoExceptions.h"
25
26using namespace Lexilla;
27
28Sci_Position SCI_METHOD LexerNoExceptions::PropertySet(const char *key, const char *val) {
29 try {
30 return LexerBase::PropertySet(key, val);
31 } catch (...) {
32 // Should not throw into caller as may be compiled with different compiler or options
33 }
34 return -1;
35}
36
37Sci_Position SCI_METHOD LexerNoExceptions::WordListSet(int n, const char *wl) {
38 try {
39 return LexerBase::WordListSet(n, wl);
40 } catch (...) {
41 // Should not throw into caller as may be compiled with different compiler or options
42 }
43 return -1;
44}
45
46void SCI_METHOD LexerNoExceptions::Lex(Sci_PositionU startPos, Sci_Position lengthDoc, int initStyle, Scintilla::IDocument *pAccess) {
47 try {
48 Accessor astyler(pAccess, &props);
49 Lexer(startPos, lengthDoc, initStyle, pAccess, astyler);
50 astyler.Flush();
51 } catch (...) {
52 // Should not throw into caller as may be compiled with different compiler or options
53 pAccess->SetErrorStatus(SC_STATUS_FAILURE);
54 }
55}
56void SCI_METHOD LexerNoExceptions::Fold(Sci_PositionU startPos, Sci_Position lengthDoc, int initStyle, Scintilla::IDocument *pAccess) {
57 try {
58 Accessor astyler(pAccess, &props);
59 Folder(startPos, lengthDoc, initStyle, pAccess, astyler);
60 astyler.Flush();
61 } catch (...) {
62 // Should not throw into caller as may be compiled with different compiler or options
63 pAccess->SetErrorStatus(SC_STATUS_FAILURE);
64 }
65}
66