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-rw-r--r--lexers/LexEiffel.cxx239
1 files changed, 0 insertions, 239 deletions
diff --git a/lexers/LexEiffel.cxx b/lexers/LexEiffel.cxx
deleted file mode 100644
index d1d42a960..000000000
--- a/lexers/LexEiffel.cxx
+++ /dev/null
@@ -1,239 +0,0 @@
-// Scintilla source code edit control
-/** @file LexEiffel.cxx
- ** Lexer for Eiffel.
- **/
-// 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 <stdio.h>
-#include <stdarg.h>
-#include <assert.h>
-#include <ctype.h>
-
-#include "ILexer.h"
-#include "Scintilla.h"
-#include "SciLexer.h"
-
-#include "WordList.h"
-#include "LexAccessor.h"
-#include "Accessor.h"
-#include "StyleContext.h"
-#include "CharacterSet.h"
-#include "LexerModule.h"
-
-using namespace Scintilla;
-
-static inline bool isEiffelOperator(unsigned int ch) {
- // '.' left out as it is used to make up numbers
- return ch == '*' || ch == '/' || ch == '\\' || ch == '-' || ch == '+' ||
- ch == '(' || ch == ')' || ch == '=' ||
- ch == '{' || ch == '}' || ch == '~' ||
- ch == '[' || ch == ']' || ch == ';' ||
- ch == '<' || ch == '>' || ch == ',' ||
- ch == '.' || ch == '^' || ch == '%' || ch == ':' ||
- ch == '!' || ch == '@' || ch == '?';
-}
-
-static inline bool IsAWordChar(unsigned int ch) {
- return (ch < 0x80) && (isalnum(ch) || ch == '_');
-}
-
-static inline bool IsAWordStart(unsigned int ch) {
- return (ch < 0x80) && (isalnum(ch) || ch == '_');
-}
-
-static void ColouriseEiffelDoc(Sci_PositionU startPos,
- Sci_Position length,
- int initStyle,
- WordList *keywordlists[],
- Accessor &styler) {
-
- WordList &keywords = *keywordlists[0];
-
- StyleContext sc(startPos, length, initStyle, styler);
-
- for (; sc.More(); sc.Forward()) {
-
- if (sc.state == SCE_EIFFEL_STRINGEOL) {
- if (sc.ch != '\r' && sc.ch != '\n') {
- sc.SetState(SCE_EIFFEL_DEFAULT);
- }
- } else if (sc.state == SCE_EIFFEL_OPERATOR) {
- sc.SetState(SCE_EIFFEL_DEFAULT);
- } else if (sc.state == SCE_EIFFEL_WORD) {
- if (!IsAWordChar(sc.ch)) {
- char s[100];
- sc.GetCurrentLowered(s, sizeof(s));
- if (!keywords.InList(s)) {
- sc.ChangeState(SCE_EIFFEL_IDENTIFIER);
- }
- sc.SetState(SCE_EIFFEL_DEFAULT);
- }
- } else if (sc.state == SCE_EIFFEL_NUMBER) {
- if (!IsAWordChar(sc.ch)) {
- sc.SetState(SCE_EIFFEL_DEFAULT);
- }
- } else if (sc.state == SCE_EIFFEL_COMMENTLINE) {
- if (sc.ch == '\r' || sc.ch == '\n') {
- sc.SetState(SCE_EIFFEL_DEFAULT);
- }
- } else if (sc.state == SCE_EIFFEL_STRING) {
- if (sc.ch == '%') {
- sc.Forward();
- } else if (sc.ch == '\"') {
- sc.Forward();
- sc.SetState(SCE_EIFFEL_DEFAULT);
- }
- } else if (sc.state == SCE_EIFFEL_CHARACTER) {
- if (sc.ch == '\r' || sc.ch == '\n') {
- sc.SetState(SCE_EIFFEL_STRINGEOL);
- } else if (sc.ch == '%') {
- sc.Forward();
- } else if (sc.ch == '\'') {
- sc.Forward();
- sc.SetState(SCE_EIFFEL_DEFAULT);
- }
- }
-
- if (sc.state == SCE_EIFFEL_DEFAULT) {
- if (sc.ch == '-' && sc.chNext == '-') {
- sc.SetState(SCE_EIFFEL_COMMENTLINE);
- } else if (sc.ch == '\"') {
- sc.SetState(SCE_EIFFEL_STRING);
- } else if (sc.ch == '\'') {
- sc.SetState(SCE_EIFFEL_CHARACTER);
- } else if (IsADigit(sc.ch) || (sc.ch == '.')) {
- sc.SetState(SCE_EIFFEL_NUMBER);
- } else if (IsAWordStart(sc.ch)) {
- sc.SetState(SCE_EIFFEL_WORD);
- } else if (isEiffelOperator(sc.ch)) {
- sc.SetState(SCE_EIFFEL_OPERATOR);
- }
- }
- }
- sc.Complete();
-}
-
-static bool IsEiffelComment(Accessor &styler, Sci_Position pos, Sci_Position len) {
- return len>1 && styler[pos]=='-' && styler[pos+1]=='-';
-}
-
-static void FoldEiffelDocIndent(Sci_PositionU startPos, Sci_Position length, int,
- WordList *[], Accessor &styler) {
- Sci_Position lengthDoc = startPos + length;
-
- // Backtrack to previous line in case need to fix its fold status
- Sci_Position lineCurrent = styler.GetLine(startPos);
- if (startPos > 0) {
- if (lineCurrent > 0) {
- lineCurrent--;
- startPos = styler.LineStart(lineCurrent);
- }
- }
- int spaceFlags = 0;
- int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, IsEiffelComment);
- char chNext = styler[startPos];
- for (Sci_Position i = startPos; i < lengthDoc; i++) {
- char ch = chNext;
- chNext = styler.SafeGetCharAt(i + 1);
-
- if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == lengthDoc)) {
- int lev = indentCurrent;
- int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags, IsEiffelComment);
- 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, IsEiffelComment);
- if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK)) {
- lev |= SC_FOLDLEVELHEADERFLAG;
- }
- }
- }
- indentCurrent = indentNext;
- styler.SetLevel(lineCurrent, lev);
- lineCurrent++;
- }
- }
-}
-
-static void FoldEiffelDocKeyWords(Sci_PositionU startPos, Sci_Position length, int /* initStyle */, WordList *[],
- Accessor &styler) {
- Sci_PositionU lengthDoc = startPos + length;
- int visibleChars = 0;
- Sci_Position lineCurrent = styler.GetLine(startPos);
- int levelPrev = styler.LevelAt(lineCurrent) & SC_FOLDLEVELNUMBERMASK;
- int levelCurrent = levelPrev;
- char chNext = styler[startPos];
- int stylePrev = 0;
- int styleNext = styler.StyleAt(startPos);
- // lastDeferred should be determined by looking back to last keyword in case
- // the "deferred" is on a line before "class"
- bool lastDeferred = false;
- for (Sci_PositionU i = startPos; i < lengthDoc; i++) {
- char ch = chNext;
- chNext = styler.SafeGetCharAt(i + 1);
- int style = styleNext;
- styleNext = styler.StyleAt(i + 1);
- bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
- if ((stylePrev != SCE_EIFFEL_WORD) && (style == SCE_EIFFEL_WORD)) {
- char s[20];
- Sci_PositionU j = 0;
- while ((j < (sizeof(s) - 1)) && (iswordchar(styler[i + j]))) {
- s[j] = styler[i + j];
- j++;
- }
- s[j] = '\0';
-
- if (
- (strcmp(s, "check") == 0) ||
- (strcmp(s, "debug") == 0) ||
- (strcmp(s, "deferred") == 0) ||
- (strcmp(s, "do") == 0) ||
- (strcmp(s, "from") == 0) ||
- (strcmp(s, "if") == 0) ||
- (strcmp(s, "inspect") == 0) ||
- (strcmp(s, "once") == 0)
- )
- levelCurrent++;
- if (!lastDeferred && (strcmp(s, "class") == 0))
- levelCurrent++;
- if (strcmp(s, "end") == 0)
- levelCurrent--;
- lastDeferred = strcmp(s, "deferred") == 0;
- }
-
- if (atEOL) {
- int lev = levelPrev;
- if (visibleChars == 0)
- lev |= SC_FOLDLEVELWHITEFLAG;
- if ((levelCurrent > levelPrev) && (visibleChars > 0))
- lev |= SC_FOLDLEVELHEADERFLAG;
- if (lev != styler.LevelAt(lineCurrent)) {
- styler.SetLevel(lineCurrent, lev);
- }
- lineCurrent++;
- levelPrev = levelCurrent;
- visibleChars = 0;
- }
- if (!isspacechar(ch))
- visibleChars++;
- stylePrev = style;
- }
- // Fill in the real level of the next line, keeping the current flags as they will be filled in later
- int flagsNext = styler.LevelAt(lineCurrent) & ~SC_FOLDLEVELNUMBERMASK;
- styler.SetLevel(lineCurrent, levelPrev | flagsNext);
-}
-
-static const char * const eiffelWordListDesc[] = {
- "Keywords",
- 0
-};
-
-LexerModule lmEiffel(SCLEX_EIFFEL, ColouriseEiffelDoc, "eiffel", FoldEiffelDocIndent, eiffelWordListDesc);
-LexerModule lmEiffelkw(SCLEX_EIFFELKW, ColouriseEiffelDoc, "eiffelkw", FoldEiffelDocKeyWords, eiffelWordListDesc);
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-11 23:23:10 +0000