-// SciTE - Scintilla based Text Editor
-// LexPython.cxx - lexer for Python
-// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org>
+// Scintilla source code edit control
+/** @file LexPython.cxx
+ ** Lexer for Python.
+ **/
+// Copyright 1998-2002 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 <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"
-static void ClassifyWordPy(unsigned int start, unsigned int end, WordList &keywords, Accessor &styler, char *prevWord) {
- char s[100];
- bool wordIsNumber = isdigit(styler[start]);
- for (unsigned int i = 0; i < end - start + 1 && i < 30; i++) {
- s[i] = styler[start + i];
- s[i + 1] = '\0';
+enum kwType { kwOther, kwClass, kwDef, kwImport };
+
+static bool IsPyComment(Accessor &styler, int pos, int len) {
+ return len > 0 && styler[pos] == '#';
+}
+
+static bool IsPyStringStart(int ch, int chNext, int chNext2) {
+ if (ch == '\'' || ch == '"')
+ return true;
+ if (ch == 'u' || ch == 'U') {
+ if (chNext == '"' || chNext == '\'')
+ return true;
+ if ((chNext == 'r' || chNext == 'R') && (chNext2 == '"' || chNext2 == '\''))
+ return true;
}
- char chAttr = SCE_P_IDENTIFIER;
- if (0 == strcmp(prevWord, "class"))
- chAttr = SCE_P_CLASSNAME;
- else if (0 == strcmp(prevWord, "def"))
- chAttr = SCE_P_DEFNAME;
- else if (wordIsNumber)
- chAttr = SCE_P_NUMBER;
- else if (keywords.InList(s))
- chAttr = SCE_P_WORD;
- // make sure that dot-qualifiers inside the word are lexed correct
- else for (unsigned int i = 0; i < end - start + 1; i++) {
- if (styler[start + i] == '.') {
- styler.ColourTo(start + i - 1, chAttr);
- styler.ColourTo(start + i, SCE_P_OPERATOR);
- }
+ if ((ch == 'r' || ch == 'R') && (chNext == '"' || chNext == '\''))
+ return true;
+
+ return false;
+}
+
+/* Return the state to use for the string starting at i; *nextIndex will be set to the first index following the quote(s) */
+static int GetPyStringState(Accessor &styler, int i, unsigned int *nextIndex) {
+ char ch = styler.SafeGetCharAt(i);
+ char chNext = styler.SafeGetCharAt(i + 1);
+
+ // Advance beyond r, u, or ur prefix, but bail if there are any unexpected chars
+ if (ch == 'r' || ch == 'R') {
+ i++;
+ ch = styler.SafeGetCharAt(i);
+ chNext = styler.SafeGetCharAt(i + 1);
+ } else if (ch == 'u' || ch == 'U') {
+ if (chNext == 'r' || chNext == 'R')
+ i += 2;
+ else
+ i += 1;
+ ch = styler.SafeGetCharAt(i);
+ chNext = styler.SafeGetCharAt(i + 1);
+ }
+
+ if (ch != '"' && ch != '\'') {
+ *nextIndex = i + 1;
+ return SCE_P_DEFAULT;
+ }
+
+ if (ch == chNext && ch == styler.SafeGetCharAt(i + 2)) {
+ *nextIndex = i + 3;
+
+ if (ch == '"')
+ return SCE_P_TRIPLEDOUBLE;
+ else
+ return SCE_P_TRIPLE;
+ } else {
+ *nextIndex = i + 1;
+
+ if (ch == '"')
+ return SCE_P_STRING;
+ else
+ return SCE_P_CHARACTER;
}
- styler.ColourTo(end, chAttr);
- strcpy(prevWord, s);
}
-static bool IsPyComment(Accessor &styler, int pos, int len) {
- return len>0 && styler[pos]=='#';
+static inline bool IsAWordChar(int ch) {
+ return (ch < 0x80) && (isalnum(ch) || ch == '.' || ch == '_');
}
-static void ColourisePyDoc(unsigned int startPos, int length, int initStyle,
- WordList *keywordlists[], Accessor &styler) {
+static inline bool IsAWordStart(int ch) {
+ return (ch < 0x80) && (isalnum(ch) || ch == '_');
+}
- int lengthDoc = startPos + length;
+static void ColourisePyDoc(unsigned int startPos, int length, int initStyle,
+ WordList *keywordlists[], Accessor &styler) {
- // Backtrack to previous line in case need to fix its fold status or tab whinging
+ int endPos = startPos + length;
+
+ // Backtrack to previous line in case need to fix its tab whinging
int lineCurrent = styler.GetLine(startPos);
if (startPos > 0) {
if (lineCurrent > 0) {
startPos = styler.LineStart(lineCurrent);
if (startPos == 0)
initStyle = SCE_P_DEFAULT;
- else
- initStyle = styler.StyleAt(startPos-1);
+ else
+ initStyle = styler.StyleAt(startPos - 1);
}
}
-
- // Python uses a different mask because bad indentation is marked by oring with 32
- styler.StartAt(startPos, 127);
-
+
WordList &keywords = *keywordlists[0];
-
- bool fold = styler.GetPropertyInt("fold");
- int whingeLevel = styler.GetPropertyInt("tab.timmy.whinge.level");
- char prevWord[200];
- prevWord[0] = '\0';
- if (length == 0)
- return ;
+
+ const int whingeLevel = styler.GetPropertyInt("tab.timmy.whinge.level");
+
+ initStyle = initStyle & 31;
+ if (initStyle == SCE_P_STRINGEOL) {
+ initStyle = SCE_P_DEFAULT;
+ }
+
+ kwType kwLast = kwOther;
int spaceFlags = 0;
+ styler.IndentAmount(lineCurrent, &spaceFlags, IsPyComment);
+ bool hexadecimal = false;
+
+ // Python uses a different mask because bad indentation is marked by oring with 32
+ StyleContext sc(startPos, endPos - startPos, initStyle, styler, 0x7f);
+
+ for (; sc.More(); sc.Forward()) {
- int state = initStyle & 31;
-
- int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, IsPyComment);
- if ((state == SCE_P_TRIPLE) || (state == SCE_P_TRIPLEDOUBLE))
- indentCurrent |= SC_FOLDLEVELWHITEFLAG;
-
- char chPrev = ' ';
- char chPrev2 = ' ';
- char chNext = styler[startPos];
- styler.StartSegment(startPos);
- bool atStartLine = true;
- for (int i = startPos; i < lengthDoc; i++) {
-
- if (atStartLine) {
- char chBad = static_cast<char>(64);
- char chGood = static_cast<char>(0);
+ if (sc.atLineStart) {
+ const char chBad = static_cast<char>(64);
+ const char chGood = static_cast<char>(0);
char chFlags = chGood;
if (whingeLevel == 1) {
chFlags = (spaceFlags & wsInconsistent) ? chBad : chGood;
} else if (whingeLevel == 4) {
chFlags = (spaceFlags & wsTab) ? chBad : chGood;
}
- styler.SetFlags(chFlags, static_cast<char>(state));
- atStartLine = false;
+ sc.SetState(sc.state);
+ styler.SetFlags(chFlags, static_cast<char>(sc.state));
}
-
- char ch = chNext;
- chNext = styler.SafeGetCharAt(i + 1);
- char chNext2 = styler.SafeGetCharAt(i + 2);
-
- if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == lengthDoc)) {
- if ((state == SCE_P_DEFAULT) || (state == SCE_P_TRIPLE) || (state == SCE_P_TRIPLEDOUBLE)) {
+
+ if (sc.atLineEnd) {
+ if ((sc.state == SCE_P_DEFAULT) ||
+ (sc.state == SCE_P_TRIPLE) ||
+ (sc.state == SCE_P_TRIPLEDOUBLE)) {
// Perform colourisation of white space and triple quoted strings at end of each line to allow
// tab marking to work inside white space and triple quoted strings
- styler.ColourTo(i, state);
- }
-
- int lev = indentCurrent;
- int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags, IsPyComment);
- if ((state == SCE_P_TRIPLE) || (state == SCE_P_TRIPLEDOUBLE))
- indentNext |= SC_FOLDLEVELWHITEFLAG;
- 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, IsPyComment);
- if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK)) {
- lev |= SC_FOLDLEVELHEADERFLAG;
- }
- }
- }
- indentCurrent = indentNext;
- if (fold) {
- styler.SetLevel(lineCurrent, lev);
+ sc.SetState(sc.state);
}
lineCurrent++;
- atStartLine = true;
+ styler.IndentAmount(lineCurrent, &spaceFlags, IsPyComment);
+ if ((sc.state == SCE_P_STRING) || (sc.state == SCE_P_CHARACTER)) {
+ sc.ChangeState(SCE_P_STRINGEOL);
+ sc.ForwardSetState(SCE_P_DEFAULT);
+ }
+ if (!sc.More())
+ break;
}
- if (styler.IsLeadByte(ch)) {
- chNext = styler.SafeGetCharAt(i + 2);
- chPrev = ' ';
- chPrev2 = ' ';
- i += 1;
- continue;
- }
+ bool needEOLCheck = false;
- if (state == SCE_P_STRINGEOL) {
- if (ch != '\r' && ch != '\n') {
- styler.ColourTo(i - 1, state);
- state = SCE_P_DEFAULT;
+ // Check for a state end
+ if (sc.state == SCE_P_OPERATOR) {
+ kwLast = kwOther;
+ sc.SetState(SCE_P_DEFAULT);
+ } else if (sc.state == SCE_P_NUMBER) {
+ if (!IsAWordChar(sc.ch) &&
+ !(!hexadecimal && ((sc.ch == '+' || sc.ch == '-') && (sc.chPrev == 'e' || sc.chPrev == 'E')))) {
+ sc.SetState(SCE_P_DEFAULT);
}
- }
- if (state == SCE_P_DEFAULT) {
- if (iswordstart(ch)) {
- styler.ColourTo(i - 1, state);
- state = SCE_P_WORD;
- } else if (ch == '#') {
- styler.ColourTo(i - 1, state);
- state = chNext == '#' ? SCE_P_COMMENTBLOCK : SCE_P_COMMENTLINE;
- } else if (ch == '\"') {
- styler.ColourTo(i - 1, state);
- if (chNext == '\"' && chNext2 == '\"') {
- i += 2;
- state = SCE_P_TRIPLEDOUBLE;
- ch = ' ';
- chPrev = ' ';
- chNext = styler.SafeGetCharAt(i + 1);
- } else {
- state = SCE_P_STRING;
+ } else if (sc.state == SCE_P_IDENTIFIER) {
+ if ((sc.ch == '.') || (!IsAWordChar(sc.ch))) {
+ char s[100];
+ sc.GetCurrent(s, sizeof(s));
+ int style = SCE_P_IDENTIFIER;
+ if ((kwLast == kwImport) && (strcmp(s, "as") == 0)) {
+ style = SCE_P_WORD;
+ } else if (keywords.InList(s)) {
+ style = SCE_P_WORD;
+ } else if (kwLast == kwClass) {
+ style = SCE_P_CLASSNAME;
+ } else if (kwLast == kwDef) {
+ style = SCE_P_DEFNAME;
}
- } else if (ch == '\'') {
- styler.ColourTo(i - 1, state);
- if (chNext == '\'' && chNext2 == '\'') {
- i += 2;
- state = SCE_P_TRIPLE;
- ch = ' ';
- chPrev = ' ';
- chNext = styler.SafeGetCharAt(i + 1);
- } else {
- state = SCE_P_CHARACTER;
+ sc.ChangeState(style);
+ sc.SetState(SCE_P_DEFAULT);
+ if (style == SCE_P_WORD) {
+ if (0 == strcmp(s, "class"))
+ kwLast = kwClass;
+ else if (0 == strcmp(s, "def"))
+ kwLast = kwDef;
+ else if (0 == strcmp(s, "import"))
+ kwLast = kwImport;
+ else
+ kwLast = kwOther;
+ } else if (style == SCE_P_CLASSNAME) {
+ kwLast = kwOther;
+ } else if (style == SCE_P_DEFNAME) {
+ kwLast = kwOther;
}
- } else if (isoperator(ch)) {
- styler.ColourTo(i - 1, state);
- styler.ColourTo(i, SCE_P_OPERATOR);
}
- } else if (state == SCE_P_WORD) {
- if (!iswordchar(ch)) {
- ClassifyWordPy(styler.GetStartSegment(), i - 1, keywords, styler, prevWord);
- state = SCE_P_DEFAULT;
- if (ch == '#') {
- state = chNext == '#' ? SCE_P_COMMENTBLOCK : SCE_P_COMMENTLINE;
- } else if (ch == '\"') {
- if (chNext == '\"' && chNext2 == '\"') {
- i += 2;
- state = SCE_P_TRIPLEDOUBLE;
- ch = ' ';
- chPrev = ' ';
- chNext = styler.SafeGetCharAt(i + 1);
- } else {
- state = SCE_P_STRING;
- }
- } else if (ch == '\'') {
- if (chNext == '\'' && chNext2 == '\'') {
- i += 2;
- state = SCE_P_TRIPLE;
- ch = ' ';
- chPrev = ' ';
- chNext = styler.SafeGetCharAt(i + 1);
- } else {
- state = SCE_P_CHARACTER;
- }
- } else if (isoperator(ch)) {
- styler.ColourTo(i, SCE_P_OPERATOR);
- }
+ } else if ((sc.state == SCE_P_COMMENTLINE) || (sc.state == SCE_P_COMMENTBLOCK)) {
+ if (sc.ch == '\r' || sc.ch == '\n') {
+ sc.SetState(SCE_P_DEFAULT);
}
- } else {
- if (state == SCE_P_COMMENTLINE || state == SCE_P_COMMENTBLOCK) {
- if (ch == '\r' || ch == '\n') {
- styler.ColourTo(i - 1, state);
- state = SCE_P_DEFAULT;
- }
- } else if (state == SCE_P_STRING) {
- if ((ch == '\r' || ch == '\n') && (chPrev != '\\')) {
- styler.ColourTo(i - 1, state);
- state = SCE_P_STRINGEOL;
- } else if (ch == '\\') {
- if (chNext == '\"' || chNext == '\'' || chNext == '\\') {
- i++;
- ch = chNext;
- chNext = styler.SafeGetCharAt(i + 1);
- }
- } else if (ch == '\"') {
- styler.ColourTo(i, state);
- state = SCE_P_DEFAULT;
- }
- } else if (state == SCE_P_CHARACTER) {
- if ((ch == '\r' || ch == '\n') && (chPrev != '\\')) {
- styler.ColourTo(i - 1, state);
- state = SCE_P_STRINGEOL;
- } else if (ch == '\\') {
- if (chNext == '\"' || chNext == '\'' || chNext == '\\') {
- i++;
- ch = chNext;
- chNext = styler.SafeGetCharAt(i + 1);
- }
- } else if (ch == '\'') {
- styler.ColourTo(i, state);
- state = SCE_P_DEFAULT;
+ } else if ((sc.state == SCE_P_STRING) || (sc.state == SCE_P_CHARACTER)) {
+ if (sc.ch == '\\') {
+ if ((sc.chNext == '\r') && (sc.GetRelative(2) == '\n')) {
+ sc.Forward();
}
- } else if (state == SCE_P_TRIPLE) {
- if (ch == '\'' && chPrev == '\'' && chPrev2 == '\'') {
- styler.ColourTo(i, state);
- state = SCE_P_DEFAULT;
+ sc.Forward();
+ } else if ((sc.state == SCE_P_STRING) && (sc.ch == '\"')) {
+ sc.ForwardSetState(SCE_P_DEFAULT);
+ needEOLCheck = true;
+ } else if ((sc.state == SCE_P_CHARACTER) && (sc.ch == '\'')) {
+ sc.ForwardSetState(SCE_P_DEFAULT);
+ needEOLCheck = true;
+ }
+ } else if (sc.state == SCE_P_TRIPLE) {
+ if (sc.ch == '\\') {
+ sc.Forward();
+ } else if (sc.Match("\'\'\'")) {
+ sc.Forward();
+ sc.Forward();
+ sc.ForwardSetState(SCE_P_DEFAULT);
+ needEOLCheck = true;
+ }
+ } else if (sc.state == SCE_P_TRIPLEDOUBLE) {
+ if (sc.ch == '\\') {
+ sc.Forward();
+ } else if (sc.Match("\"\"\"")) {
+ sc.Forward();
+ sc.Forward();
+ sc.ForwardSetState(SCE_P_DEFAULT);
+ needEOLCheck = true;
+ }
+ }
+
+ // State exit code may have moved on to end of line
+ if (needEOLCheck && sc.atLineEnd) {
+ lineCurrent++;
+ styler.IndentAmount(lineCurrent, &spaceFlags, IsPyComment);
+ if (!sc.More())
+ break;
+ }
+
+ // Check for a new state starting character
+ if (sc.state == SCE_P_DEFAULT) {
+ if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext))) {
+ if (sc.ch == '0' && (sc.chNext == 'x' || sc.chNext == 'X')) {
+ hexadecimal = true;
+ } else {
+ hexadecimal = false;
}
- } else if (state == SCE_P_TRIPLEDOUBLE) {
- if (ch == '\"' && chPrev == '\"' && chPrev2 == '\"') {
- styler.ColourTo(i, state);
- state = SCE_P_DEFAULT;
+ sc.SetState(SCE_P_NUMBER);
+ } else if (isascii(sc.ch) && isoperator(static_cast<char>(sc.ch)) || sc.ch == '`') {
+ sc.SetState(SCE_P_OPERATOR);
+ } else if (sc.ch == '#') {
+ sc.SetState(sc.chNext == '#' ? SCE_P_COMMENTBLOCK : SCE_P_COMMENTLINE);
+ } else if (IsPyStringStart(sc.ch, sc.chNext, sc.GetRelative(2))) {
+ unsigned int nextIndex = 0;
+ sc.SetState(GetPyStringState(styler, sc.currentPos, &nextIndex));
+ while (nextIndex > (sc.currentPos + 1) && sc.More()) { sc.Forward();
}
+ } else if (IsAWordStart(sc.ch)) {
+ sc.SetState(SCE_P_IDENTIFIER);
}
}
- chPrev2 = chPrev;
- chPrev = ch;
}
- if (state == SCE_P_WORD) {
- ClassifyWordPy(styler.GetStartSegment(), lengthDoc, keywords, styler, prevWord);
- } else {
- styler.ColourTo(lengthDoc, state);
+ sc.Complete();
+}
+
+static bool IsCommentLine(int line, Accessor &styler) {
+ int pos = styler.LineStart(line);
+ int eol_pos = styler.LineStart(line + 1) - 1;
+ for (int i = pos; i < eol_pos; i++) {
+ char ch = styler[i];
+ if (ch == '#')
+ return true;
+ else if (ch != ' ' && ch != '\t')
+ return false;
+ }
+ return false;
+}
+
+static bool IsQuoteLine(int line, Accessor &styler) {
+ int style = styler.StyleAt(styler.LineStart(line)) & 31;
+ return ((style == SCE_P_TRIPLE) || (style == SCE_P_TRIPLEDOUBLE));
+}
+
+
+static void FoldPyDoc(unsigned int startPos, int length, int /*initStyle - unused*/,
+ WordList *[], Accessor &styler) {
+ const int maxPos = startPos + length;
+ const int maxLines = styler.GetLine(maxPos - 1); // Requested last line
+ const int docLines = styler.GetLine(styler.Length() - 1); // Available last line
+ const bool foldComment = styler.GetPropertyInt("fold.comment.python") != 0;
+ const bool foldQuotes = styler.GetPropertyInt("fold.quotes.python") != 0;
+
+ // Backtrack to previous non-blank line so we can determine indent level
+ // for any white space lines (needed esp. within triple quoted strings)
+ // and so we can fix any preceding fold level (which is why we go back
+ // at least one line in all cases)
+ int spaceFlags = 0;
+ int lineCurrent = styler.GetLine(startPos);
+ int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, NULL);
+ while (lineCurrent > 0) {
+ lineCurrent--;
+ indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, NULL);
+ if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG) &&
+ (!IsCommentLine(lineCurrent, styler)) &&
+ (!IsQuoteLine(lineCurrent, styler)))
+ break;
+ }
+ int indentCurrentLevel = indentCurrent & SC_FOLDLEVELNUMBERMASK;
+
+ // Set up initial loop state
+ startPos = styler.LineStart(lineCurrent);
+ int prev_state = SCE_P_DEFAULT & 31;
+ if (lineCurrent >= 1)
+ prev_state = styler.StyleAt(startPos - 1) & 31;
+ int prevQuote = foldQuotes && ((prev_state == SCE_P_TRIPLE) || (prev_state == SCE_P_TRIPLEDOUBLE));
+ int prevComment = 0;
+ if (lineCurrent >= 1)
+ prevComment = foldComment && IsCommentLine(lineCurrent - 1, styler);
+
+ // Process all characters to end of requested range or end of any triple quote
+ // or comment that hangs over the end of the range. Cap processing in all cases
+ // to end of document (in case of unclosed quote or comment at end).
+ while ((lineCurrent <= docLines) && ((lineCurrent <= maxLines) || prevQuote || prevComment)) {
+
+ // Gather info
+ int lev = indentCurrent;
+ int lineNext = lineCurrent + 1;
+ int indentNext = indentCurrent;
+ int quote = false;
+ if (lineNext <= docLines) {
+ // Information about next line is only available if not at end of document
+ indentNext = styler.IndentAmount(lineNext, &spaceFlags, NULL);
+ int style = styler.StyleAt(styler.LineStart(lineNext)) & 31;
+ quote = foldQuotes && ((style == SCE_P_TRIPLE) || (style == SCE_P_TRIPLEDOUBLE));
+ }
+ const int quote_start = (quote && !prevQuote);
+ const int quote_continue = (quote && prevQuote);
+ const int comment = foldComment && IsCommentLine(lineCurrent, styler);
+ const int comment_start = (comment && !prevComment && (lineNext <= docLines) &&
+ IsCommentLine(lineNext, styler) && (lev > SC_FOLDLEVELBASE));
+ const int comment_continue = (comment && prevComment);
+ if ((!quote || !prevQuote) && !comment)
+ indentCurrentLevel = indentCurrent & SC_FOLDLEVELNUMBERMASK;
+ if (quote)
+ indentNext = indentCurrentLevel;
+ if (indentNext & SC_FOLDLEVELWHITEFLAG)
+ indentNext = SC_FOLDLEVELWHITEFLAG | indentCurrentLevel;
+
+ if (quote_start) {
+ // Place fold point at start of triple quoted string
+ lev |= SC_FOLDLEVELHEADERFLAG;
+ } else if (quote_continue || prevQuote) {
+ // Add level to rest of lines in the string
+ lev = lev + 1;
+ } else if (comment_start) {
+ // Place fold point at start of a block of comments
+ lev |= SC_FOLDLEVELHEADERFLAG;
+ } else if (comment_continue) {
+ // Add level to rest of lines in the block
+ lev = lev + 1;
+ }
+
+ // Skip past any blank lines for next indent level info; we skip also
+ // comments (all comments, not just those starting in column 0)
+ // which effectively folds them into surrounding code rather
+ // than screwing up folding.
+
+ while (!quote &&
+ (lineNext < docLines) &&
+ ((indentNext & SC_FOLDLEVELWHITEFLAG) ||
+ (lineNext <= docLines && IsCommentLine(lineNext, styler)))) {
+
+ lineNext++;
+ indentNext = styler.IndentAmount(lineNext, &spaceFlags, NULL);
+ }
+
+ const int levelAfterComments = indentNext & SC_FOLDLEVELNUMBERMASK;
+ const int levelBeforeComments = Platform::Maximum(indentCurrentLevel,levelAfterComments);
+
+ // Now set all the indent levels on the lines we skipped
+ // Do this from end to start. Once we encounter one line
+ // which is indented more than the line after the end of
+ // the comment-block, use the level of the block before
+
+ int skipLine = lineNext;
+ int skipLevel = levelAfterComments;
+
+ while (--skipLine > lineCurrent) {
+ int skipLineIndent = styler.IndentAmount(skipLine, &spaceFlags, NULL);
+
+ if ((skipLineIndent & SC_FOLDLEVELNUMBERMASK) > levelAfterComments)
+ skipLevel = levelBeforeComments;
+
+ int whiteFlag = skipLineIndent & SC_FOLDLEVELWHITEFLAG;
+
+ styler.SetLevel(skipLine, skipLevel | whiteFlag);
+ }
+
+ // Set fold header on non-quote/non-comment line
+ if (!quote && !comment && !(indentCurrent & SC_FOLDLEVELWHITEFLAG) ) {
+ if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext & SC_FOLDLEVELNUMBERMASK))
+ lev |= SC_FOLDLEVELHEADERFLAG;
+ }
+
+ // Keep track of triple quote and block comment state of previous line
+ prevQuote = quote;
+ prevComment = comment_start || comment_continue;
+
+ // Set fold level for this line and move to next line
+ styler.SetLevel(lineCurrent, lev);
+ indentCurrent = indentNext;
+ lineCurrent = lineNext;
}
+
+ // NOTE: Cannot set level of last line here because indentCurrent doesn't have
+ // header flag set; the loop above is crafted to take care of this case!
+ //styler.SetLevel(lineCurrent, indentCurrent);
}
-LexerModule lmPython(SCLEX_PYTHON, ColourisePyDoc);
+static const char * const pythonWordListDesc[] = {
+ "Keywords",
+ 0
+};
+
+LexerModule lmPython(SCLEX_PYTHON, ColourisePyDoc, "python", FoldPyDoc,
+ pythonWordListDesc);
projects / wxWidgets.git / blobdiff