removed superfluous semicolons

[wxWidgets.git] / contrib / src / stc / scintilla / src / LexMatlab.cxx

diff --git a/contrib/src/stc/scintilla/src/LexMatlab.cxx b/contrib/src/stc/scintilla/src/LexMatlab.cxx
index f75d15c7ab99379b7185898a8a9f13afe7a94b72..249fa67ce2cc65f929913a65265bd7a1506375e2 100644 (file)
--- a/contrib/src/stc/scintilla/src/LexMatlab.cxx
+++ b/contrib/src/stc/scintilla/src/LexMatlab.cxx
@@ -2,7 +2,11 @@
 /** @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.
 
@@ -21,8 +25,21 @@
 #include "Scintilla.h"
 #include "SciLexer.h"
 
+
+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 && (styler[pos] == '%' || styler[pos] == '!') ;
+       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) {
@@ -33,8 +50,10 @@ static inline bool IsAWordStart(const int ch) {
        return (ch < 0x80) && (isalnum(ch) || ch == '_');
 }
 
-static void ColouriseMatlabDoc(unsigned int startPos, int length, int initStyle,
-                               WordList *keywordlists[], Accessor &styler) {
+static void ColouriseMatlabOctaveDoc(
+            unsigned int startPos, int length, int initStyle,
+            WordList *keywordlists[], Accessor &styler,
+            bool (*IsCommentChar)(int)) {
 
        WordList &keywords = *keywordlists[0];
 
@@ -81,9 +100,11 @@ static void ColouriseMatlabDoc(unsigned int startPos, int length, int initStyle,
                                transpose = true;
                        }
                } else if (sc.state == SCE_MATLAB_STRING) {
-                       // Matlab doubles quotes to preserve them, so just end this string
-                       // state now as a following quote will start again
-                       if (sc.ch == '\'') {
+                       if (sc.ch == '\'' && sc.chPrev != '\\') {
+                               sc.ForwardSetState(SCE_MATLAB_DEFAULT);
+                       }
+               } else if (sc.state == SCE_MATLAB_DOUBLEQUOTESTRING) {
+                       if (sc.ch == '"' && sc.chPrev != '\\') {
                                sc.ForwardSetState(SCE_MATLAB_DEFAULT);
                        }
                } else if (sc.state == SCE_MATLAB_COMMENT || sc.state == SCE_MATLAB_COMMAND) {
@@ -94,7 +115,7 @@ static void ColouriseMatlabDoc(unsigned int startPos, int length, int initStyle,
                }
 
                if (sc.state == SCE_MATLAB_DEFAULT) {
-                       if (sc.ch == '%') {
+                       if (IsCommentChar(sc.ch)) {
                                sc.SetState(SCE_MATLAB_COMMENT);
                        } else if (sc.ch == '!') {
                                sc.SetState(SCE_MATLAB_COMMAND);
@@ -104,6 +125,8 @@ static void ColouriseMatlabDoc(unsigned int startPos, int length, int initStyle,
                                } 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)) {
@@ -123,8 +146,20 @@ static void ColouriseMatlabDoc(unsigned int startPos, int length, int initStyle,
        sc.Complete();
 }
 
-static void FoldMatlabDoc(unsigned int startPos, int length, int,
-                          WordList *[], Accessor &styler) {
+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
@@ -136,7 +171,7 @@ static void FoldMatlabDoc(unsigned int startPos, int length, int,
                }
        }
        int spaceFlags = 0;
-       int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, IsMatlabComment);
+       int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, IsComment);
        char chNext = styler[startPos];
        for (int i = startPos; i < endPos; i++) {
                char ch = chNext;
@@ -144,7 +179,7 @@ static void FoldMatlabDoc(unsigned int startPos, int length, int,
 
                if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == endPos)) {
                        int lev = indentCurrent;
-                       int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags, IsMatlabComment);
+                       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)) {
@@ -152,7 +187,7 @@ static void FoldMatlabDoc(unsigned int startPos, int length, int,
                                } 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, IsMatlabComment);
+                                       int indentNext2 = styler.IndentAmount(lineCurrent + 2, &spaceFlags2, IsComment);
                                        if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK)) {
                                                lev |= SC_FOLDLEVELHEADERFLAG;
                                        }
@@ -165,4 +200,26 @@ static void FoldMatlabDoc(unsigned int startPos, int length, int,
        }
 }
 
-LexerModule lmMatlab(SCLEX_MATLAB, ColouriseMatlabDoc, "matlab", FoldMatlabDoc);
+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);