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-rw-r--r--src/LexMatlab.cxx236
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diff --git a/src/LexMatlab.cxx b/src/LexMatlab.cxx
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--- a/src/LexMatlab.cxx
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-// Scintilla source code edit control
-/** @file LexMatlab.cxx
- ** Lexer for Matlab.
- ** Written by José Fonseca
- **
- ** Changes by Christoph Dalitz 2003/12/04:
- ** - added support for Octave
- ** - Strings can now be included both in single or double quotes
- **/
-// Copyright 1998-2001 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 "StyleContext.h"
-#include "KeyWords.h"
-#include "Scintilla.h"
-#include "SciLexer.h"
-
-#ifdef SCI_NAMESPACE
-using namespace Scintilla;
-#endif
-
-static bool IsMatlabCommentChar(int c) {
- return (c == '%') ;
-}
-
-static bool IsOctaveCommentChar(int c) {
- return (c == '%' || c == '#') ;
-}
-
-static bool IsMatlabComment(Accessor &styler, int pos, int len) {
- return len > 0 && IsMatlabCommentChar(styler[pos]) ;
-}
-
-static bool IsOctaveComment(Accessor &styler, int pos, int len) {
- return len > 0 && IsOctaveCommentChar(styler[pos]) ;
-}
-
-static inline bool IsAWordChar(const int ch) {
- return (ch < 0x80) && (isalnum(ch) || ch == '_');
-}
-
-static inline bool IsAWordStart(const int ch) {
- return (ch < 0x80) && (isalnum(ch) || ch == '_');
-}
-
-static void ColouriseMatlabOctaveDoc(
- unsigned int startPos, int length, int initStyle,
- WordList *keywordlists[], Accessor &styler,
- bool (*IsCommentChar)(int)) {
-
- WordList &keywords = *keywordlists[0];
-
- styler.StartAt(startPos);
-
- bool transpose = false;
-
- StyleContext sc(startPos, length, initStyle, styler);
-
- for (; sc.More(); sc.Forward()) {
-
- if (sc.state == SCE_MATLAB_OPERATOR) {
- if (sc.chPrev == '.') {
- if (sc.ch == '*' || sc.ch == '/' || sc.ch == '\\' || sc.ch == '^') {
- sc.ForwardSetState(SCE_MATLAB_DEFAULT);
- transpose = false;
- } else if (sc.ch == '\'') {
- sc.ForwardSetState(SCE_MATLAB_DEFAULT);
- transpose = true;
- } else {
- sc.SetState(SCE_MATLAB_DEFAULT);
- }
- } else {
- sc.SetState(SCE_MATLAB_DEFAULT);
- }
- } else if (sc.state == SCE_MATLAB_KEYWORD) {
- if (!isalnum(sc.ch) && sc.ch != '_') {
- char s[100];
- sc.GetCurrentLowered(s, sizeof(s));
- if (keywords.InList(s)) {
- sc.SetState(SCE_MATLAB_DEFAULT);
- transpose = false;
- } else {
- sc.ChangeState(SCE_MATLAB_IDENTIFIER);
- sc.SetState(SCE_MATLAB_DEFAULT);
- transpose = true;
- }
- }
- } else if (sc.state == SCE_MATLAB_NUMBER) {
- if (!isdigit(sc.ch) && sc.ch != '.'
- && !(sc.ch == 'e' || sc.ch == 'E')
- && !((sc.ch == '+' || sc.ch == '-') && (sc.chPrev == 'e' || sc.chPrev == 'E'))) {
- sc.SetState(SCE_MATLAB_DEFAULT);
- transpose = true;
- }
- } else if (sc.state == SCE_MATLAB_STRING) {
- if (sc.ch == '\\') {
- if (sc.chNext == '\"' || sc.chNext == '\'' || sc.chNext == '\\') {
- sc.Forward();
- }
- } else if (sc.ch == '\'') {
- sc.ForwardSetState(SCE_MATLAB_DEFAULT);
- }
- } else if (sc.state == SCE_MATLAB_DOUBLEQUOTESTRING) {
- if (sc.ch == '\\') {
- if (sc.chNext == '\"' || sc.chNext == '\'' || sc.chNext == '\\') {
- sc.Forward();
- }
- } else if (sc.ch == '\"') {
- sc.ForwardSetState(SCE_MATLAB_DEFAULT);
- }
- } else if (sc.state == SCE_MATLAB_COMMENT || sc.state == SCE_MATLAB_COMMAND) {
- if (sc.atLineEnd) {
- sc.SetState(SCE_MATLAB_DEFAULT);
- transpose = false;
- }
- }
-
- if (sc.state == SCE_MATLAB_DEFAULT) {
- if (IsCommentChar(sc.ch)) {
- sc.SetState(SCE_MATLAB_COMMENT);
- } else if (sc.ch == '!' && sc.chNext != '=' ) {
- sc.SetState(SCE_MATLAB_COMMAND);
- } else if (sc.ch == '\'') {
- if (transpose) {
- sc.SetState(SCE_MATLAB_OPERATOR);
- } else {
- sc.SetState(SCE_MATLAB_STRING);
- }
- } else if (sc.ch == '"') {
- sc.SetState(SCE_MATLAB_DOUBLEQUOTESTRING);
- } else if (isdigit(sc.ch) || (sc.ch == '.' && isdigit(sc.chNext))) {
- sc.SetState(SCE_MATLAB_NUMBER);
- } else if (isalpha(sc.ch)) {
- sc.SetState(SCE_MATLAB_KEYWORD);
- } else if (isoperator(static_cast<char>(sc.ch)) || sc.ch == '@' || sc.ch == '\\') {
- if (sc.ch == ')' || sc.ch == ']') {
- transpose = true;
- } else {
- transpose = false;
- }
- sc.SetState(SCE_MATLAB_OPERATOR);
- } else {
- transpose = false;
- }
- }
- }
- sc.Complete();
-}
-
-static void ColouriseMatlabDoc(unsigned int startPos, int length, int initStyle,
- WordList *keywordlists[], Accessor &styler) {
- ColouriseMatlabOctaveDoc(startPos, length, initStyle, keywordlists, styler, IsMatlabCommentChar);
-}
-
-static void ColouriseOctaveDoc(unsigned int startPos, int length, int initStyle,
- WordList *keywordlists[], Accessor &styler) {
- ColouriseMatlabOctaveDoc(startPos, length, initStyle, keywordlists, styler, IsOctaveCommentChar);
-}
-
-static void FoldMatlabOctaveDoc(unsigned int startPos, int length, int,
- WordList *[], Accessor &styler,
- bool (*IsComment)(Accessor&, int, int)) {
-
- int endPos = startPos + length;
-
- // Backtrack to previous line in case need to fix its fold status
- int lineCurrent = styler.GetLine(startPos);
- if (startPos > 0) {
- if (lineCurrent > 0) {
- lineCurrent--;
- startPos = styler.LineStart(lineCurrent);
- }
- }
- int spaceFlags = 0;
- int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, IsComment);
- char chNext = styler[startPos];
- for (int i = startPos; i < endPos; i++) {
- char ch = chNext;
- chNext = styler.SafeGetCharAt(i + 1);
-
- if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == endPos)) {
- int lev = indentCurrent;
- int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags, IsComment);
- if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG)) {
- // Only non whitespace lines can be headers
- if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext & SC_FOLDLEVELNUMBERMASK)) {
- lev |= SC_FOLDLEVELHEADERFLAG;
- } else if (indentNext & SC_FOLDLEVELWHITEFLAG) {
- // Line after is blank so check the next - maybe should continue further?
- int spaceFlags2 = 0;
- int indentNext2 = styler.IndentAmount(lineCurrent + 2, &spaceFlags2, IsComment);
- if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK)) {
- lev |= SC_FOLDLEVELHEADERFLAG;
- }
- }
- }
- indentCurrent = indentNext;
- styler.SetLevel(lineCurrent, lev);
- lineCurrent++;
- }
- }
-}
-
-static void FoldMatlabDoc(unsigned int startPos, int length, int initStyle,
- WordList *keywordlists[], Accessor &styler) {
- FoldMatlabOctaveDoc(startPos, length, initStyle, keywordlists, styler, IsMatlabComment);
-}
-
-static void FoldOctaveDoc(unsigned int startPos, int length, int initStyle,
- WordList *keywordlists[], Accessor &styler) {
- FoldMatlabOctaveDoc(startPos, length, initStyle, keywordlists, styler, IsOctaveComment);
-}
-
-static const char * const matlabWordListDesc[] = {
- "Keywords",
- 0
-};
-
-static const char * const octaveWordListDesc[] = {
- "Keywords",
- 0
-};
-
-LexerModule lmMatlab(SCLEX_MATLAB, ColouriseMatlabDoc, "matlab", FoldMatlabDoc, matlabWordListDesc);
-
-LexerModule lmOctave(SCLEX_OCTAVE, ColouriseOctaveDoc, "octave", FoldOctaveDoc, octaveWordListDesc);
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-12 01:18:26 +0000