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-rw-r--r--lexers/LexSTTXT.cxx404
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diff --git a/lexers/LexSTTXT.cxx b/lexers/LexSTTXT.cxx
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--- a/lexers/LexSTTXT.cxx
+++ /dev/null
@@ -1,404 +0,0 @@
-// Scintilla source code edit control
-/** @file LexSTTXT.cxx
- ** Lexer for Structured Text language.
- ** Written by Pavel Bulochkin
- **/
-// 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 void ClassifySTTXTWord(WordList *keywordlists[], StyleContext &sc)
-{
- char s[256] = { 0 };
- sc.GetCurrentLowered(s, sizeof(s));
-
- if ((*keywordlists[0]).InList(s)) {
- sc.ChangeState(SCE_STTXT_KEYWORD);
- }
-
- else if ((*keywordlists[1]).InList(s)) {
- sc.ChangeState(SCE_STTXT_TYPE);
- }
-
- else if ((*keywordlists[2]).InList(s)) {
- sc.ChangeState(SCE_STTXT_FUNCTION);
- }
-
- else if ((*keywordlists[3]).InList(s)) {
- sc.ChangeState(SCE_STTXT_FB);
- }
-
- else if ((*keywordlists[4]).InList(s)) {
- sc.ChangeState(SCE_STTXT_VARS);
- }
-
- else if ((*keywordlists[5]).InList(s)) {
- sc.ChangeState(SCE_STTXT_PRAGMAS);
- }
-
- sc.SetState(SCE_STTXT_DEFAULT);
-}
-
-static void ColouriseSTTXTDoc (Sci_PositionU startPos, Sci_Position length, int initStyle,
- WordList *keywordlists[], Accessor &styler)
-{
- StyleContext sc(startPos, length, initStyle, styler);
-
- CharacterSet setWord(CharacterSet::setAlphaNum, "_", 0x80, true);
- CharacterSet setWordStart(CharacterSet::setAlpha, "_", 0x80, true);
- CharacterSet setNumber(CharacterSet::setDigits, "_.eE");
- CharacterSet setHexNumber(CharacterSet::setDigits, "_abcdefABCDEF");
- CharacterSet setOperator(CharacterSet::setNone,",.+-*/:;<=>[]()%&");
- CharacterSet setDataTime(CharacterSet::setDigits,"_.-:dmshDMSH");
-
- for ( ; sc.More() ; sc.Forward())
- {
- if(sc.atLineStart && sc.state != SCE_STTXT_COMMENT)
- sc.SetState(SCE_STTXT_DEFAULT);
-
- switch(sc.state)
- {
- case SCE_STTXT_NUMBER: {
- if(!setNumber.Contains(sc.ch))
- sc.SetState(SCE_STTXT_DEFAULT);
- break;
- }
- case SCE_STTXT_HEXNUMBER: {
- if (setHexNumber.Contains(sc.ch))
- continue;
- else if(setDataTime.Contains(sc.ch))
- sc.ChangeState(SCE_STTXT_DATETIME);
- else if(setWord.Contains(sc.ch))
- sc.ChangeState(SCE_STTXT_DEFAULT);
- else
- sc.SetState(SCE_STTXT_DEFAULT);
- break;
- }
- case SCE_STTXT_DATETIME: {
- if (setDataTime.Contains(sc.ch))
- continue;
- else if(setWord.Contains(sc.ch))
- sc.ChangeState(SCE_STTXT_DEFAULT);
- else
- sc.SetState(SCE_STTXT_DEFAULT);
- break;
- }
- case SCE_STTXT_OPERATOR: {
- sc.SetState(SCE_STTXT_DEFAULT);
- break;
- }
- case SCE_STTXT_PRAGMA: {
- if (sc.ch == '}')
- sc.ForwardSetState(SCE_STTXT_DEFAULT);
- break;
- }
- case SCE_STTXT_COMMENTLINE: {
- if (sc.atLineStart)
- sc.SetState(SCE_STTXT_DEFAULT);
- break;
- }
- case SCE_STTXT_COMMENT: {
- if(sc.Match('*',')'))
- {
- sc.Forward();
- sc.ForwardSetState(SCE_STTXT_DEFAULT);
- }
- break;
- }
- case SCE_STTXT_STRING1: {
- if(sc.atLineEnd)
- sc.SetState(SCE_STTXT_STRINGEOL);
- else if(sc.ch == '\'' && sc.chPrev != '$')
- sc.ForwardSetState(SCE_STTXT_DEFAULT);
- break;
- }
- case SCE_STTXT_STRING2: {
- if (sc.atLineEnd)
- sc.SetState(SCE_STTXT_STRINGEOL);
- else if(sc.ch == '\"' && sc.chPrev != '$')
- sc.ForwardSetState(SCE_STTXT_DEFAULT);
- break;
- }
- case SCE_STTXT_STRINGEOL: {
- if(sc.atLineStart)
- sc.SetState(SCE_STTXT_DEFAULT);
- break;
- }
- case SCE_STTXT_CHARACTER: {
- if(setHexNumber.Contains(sc.ch))
- sc.SetState(SCE_STTXT_HEXNUMBER);
- else if(setDataTime.Contains(sc.ch))
- sc.SetState(SCE_STTXT_DATETIME);
- else sc.SetState(SCE_STTXT_DEFAULT);
- break;
- }
- case SCE_STTXT_IDENTIFIER: {
- if(!setWord.Contains(sc.ch))
- ClassifySTTXTWord(keywordlists, sc);
- break;
- }
- }
-
- if(sc.state == SCE_STTXT_DEFAULT)
- {
- if(IsADigit(sc.ch))
- sc.SetState(SCE_STTXT_NUMBER);
- else if (setWordStart.Contains(sc.ch))
- sc.SetState(SCE_STTXT_IDENTIFIER);
- else if (sc.Match('/', '/'))
- sc.SetState(SCE_STTXT_COMMENTLINE);
- else if(sc.Match('(', '*'))
- sc.SetState(SCE_STTXT_COMMENT);
- else if (sc.ch == '{')
- sc.SetState(SCE_STTXT_PRAGMA);
- else if (sc.ch == '\'')
- sc.SetState(SCE_STTXT_STRING1);
- else if (sc.ch == '\"')
- sc.SetState(SCE_STTXT_STRING2);
- else if(sc.ch == '#')
- sc.SetState(SCE_STTXT_CHARACTER);
- else if (setOperator.Contains(sc.ch))
- sc.SetState(SCE_STTXT_OPERATOR);
- }
- }
-
- if (sc.state == SCE_STTXT_IDENTIFIER && setWord.Contains(sc.chPrev))
- ClassifySTTXTWord(keywordlists, sc);
-
- sc.Complete();
-}
-
-static const char * const STTXTWordListDesc[] = {
- "Keywords",
- "Types",
- "Functions",
- "FB",
- "Local_Var",
- "Local_Pragma",
- 0
-};
-
-static bool IsCommentLine(Sci_Position line, Accessor &styler, bool type)
-{
- Sci_Position pos = styler.LineStart(line);
- Sci_Position eolPos = styler.LineStart(line + 1) - 1;
-
- for (Sci_Position i = pos; i < eolPos; i++)
- {
- char ch = styler[i];
- char chNext = styler.SafeGetCharAt(i + 1);
- int style = styler.StyleAt(i);
-
- if(type) {
- if (ch == '/' && chNext == '/' && style == SCE_STTXT_COMMENTLINE)
- return true;
- }
- else if (ch == '(' && chNext == '*' && style == SCE_STTXT_COMMENT)
- break;
-
- if (!IsASpaceOrTab(ch))
- return false;
- }
-
- for (Sci_Position i = eolPos-2; i>pos; i--)
- {
- char ch = styler[i];
- char chPrev = styler.SafeGetCharAt(i-1);
- int style = styler.StyleAt(i);
-
- if(ch == ')' && chPrev == '*' && style == SCE_STTXT_COMMENT)
- return true;
- if(!IsASpaceOrTab(ch))
- return false;
- }
-
- return false;
-}
-
-static bool IsPragmaLine(Sci_Position line, Accessor &styler)
-{
- Sci_Position pos = styler.LineStart(line);
- Sci_Position eolPos = styler.LineStart(line+1) - 1;
-
- for (Sci_Position i = pos ; i < eolPos ; i++)
- {
- char ch = styler[i];
- int style = styler.StyleAt(i);
-
- if(ch == '{' && style == SCE_STTXT_PRAGMA)
- return true;
- else if (!IsASpaceOrTab(ch))
- return false;
- }
- return false;
-}
-
-static void GetRangeUpper(Sci_PositionU start,Sci_PositionU end,Accessor &styler,char *s,Sci_PositionU len)
-{
- Sci_PositionU i = 0;
- while ((i < end - start + 1) && (i < len-1)) {
- s[i] = static_cast<char>(toupper(styler[start + i]));
- i++;
- }
- s[i] = '\0';
-}
-
-static void ClassifySTTXTWordFoldPoint(int &levelCurrent,Sci_PositionU lastStart,
- Sci_PositionU currentPos, Accessor &styler)
-{
- char s[256];
- GetRangeUpper(lastStart, currentPos, styler, s, sizeof(s));
-
- // See Table C.2 - Keywords
- if (!strcmp(s, "ACTION") ||
- !strcmp(s, "CASE") ||
- !strcmp(s, "CONFIGURATION") ||
- !strcmp(s, "FOR") ||
- !strcmp(s, "FUNCTION") ||
- !strcmp(s, "FUNCTION_BLOCK") ||
- !strcmp(s, "IF") ||
- !strcmp(s, "INITIAL_STEP") ||
- !strcmp(s, "REPEAT") ||
- !strcmp(s, "RESOURCE") ||
- !strcmp(s, "STEP") ||
- !strcmp(s, "STRUCT") ||
- !strcmp(s, "TRANSITION") ||
- !strcmp(s, "TYPE") ||
- !strcmp(s, "VAR") ||
- !strcmp(s, "VAR_INPUT") ||
- !strcmp(s, "VAR_OUTPUT") ||
- !strcmp(s, "VAR_IN_OUT") ||
- !strcmp(s, "VAR_TEMP") ||
- !strcmp(s, "VAR_EXTERNAL") ||
- !strcmp(s, "VAR_ACCESS") ||
- !strcmp(s, "VAR_CONFIG") ||
- !strcmp(s, "VAR_GLOBAL") ||
- !strcmp(s, "WHILE"))
- {
- levelCurrent++;
- }
- else if (!strcmp(s, "END_ACTION") ||
- !strcmp(s, "END_CASE") ||
- !strcmp(s, "END_CONFIGURATION") ||
- !strcmp(s, "END_FOR") ||
- !strcmp(s, "END_FUNCTION") ||
- !strcmp(s, "END_FUNCTION_BLOCK") ||
- !strcmp(s, "END_IF") ||
- !strcmp(s, "END_REPEAT") ||
- !strcmp(s, "END_RESOURCE") ||
- !strcmp(s, "END_STEP") ||
- !strcmp(s, "END_STRUCT") ||
- !strcmp(s, "END_TRANSITION") ||
- !strcmp(s, "END_TYPE") ||
- !strcmp(s, "END_VAR") ||
- !strcmp(s, "END_WHILE"))
- {
- levelCurrent--;
- if (levelCurrent < SC_FOLDLEVELBASE) {
- levelCurrent = SC_FOLDLEVELBASE;
- }
- }
-}
-
-static void FoldSTTXTDoc(Sci_PositionU startPos, Sci_Position length, int initStyle, WordList *[],Accessor &styler)
-{
- bool foldComment = styler.GetPropertyInt("fold.comment") != 0;
- bool foldPreprocessor = styler.GetPropertyInt("fold.preprocessor") != 0;
- bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
- Sci_PositionU endPos = 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 styleNext = styler.StyleAt(startPos);
- int style = initStyle;
- Sci_Position lastStart = 0;
-
- CharacterSet setWord(CharacterSet::setAlphaNum, "_", 0x80, true);
-
- for (Sci_PositionU i = startPos; i < endPos; i++)
- {
- char ch = chNext;
- chNext = styler.SafeGetCharAt(i + 1);
- int stylePrev = style;
- style = styleNext;
- styleNext = styler.StyleAt(i + 1);
- bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
-
- if (foldComment && style == SCE_STTXT_COMMENT) {
- if(stylePrev != SCE_STTXT_COMMENT)
- levelCurrent++;
- else if(styleNext != SCE_STTXT_COMMENT && !atEOL)
- levelCurrent--;
- }
- if ( foldComment && atEOL && ( IsCommentLine(lineCurrent, styler,false)
- || IsCommentLine(lineCurrent,styler,true))) {
- if(!IsCommentLine(lineCurrent-1, styler,true) && IsCommentLine(lineCurrent+1, styler,true))
- levelCurrent++;
- if (IsCommentLine(lineCurrent-1, styler,true) && !IsCommentLine(lineCurrent+1, styler,true))
- levelCurrent--;
- if (!IsCommentLine(lineCurrent-1, styler,false) && IsCommentLine(lineCurrent+1, styler,false))
- levelCurrent++;
- if (IsCommentLine(lineCurrent-1, styler,false) && !IsCommentLine(lineCurrent+1, styler,false))
- levelCurrent--;
- }
- if(foldPreprocessor && atEOL && IsPragmaLine(lineCurrent, styler)) {
- if(!IsPragmaLine(lineCurrent-1, styler) && IsPragmaLine(lineCurrent+1, styler ))
- levelCurrent++;
- else if(IsPragmaLine(lineCurrent-1, styler) && !IsPragmaLine(lineCurrent+1, styler))
- levelCurrent--;
- }
- if (stylePrev != SCE_STTXT_KEYWORD && style == SCE_STTXT_KEYWORD) {
- lastStart = i;
- }
- if(stylePrev == SCE_STTXT_KEYWORD) {
- if(setWord.Contains(ch) && !setWord.Contains(chNext))
- ClassifySTTXTWordFoldPoint(levelCurrent,lastStart, i, styler);
- }
- if (!IsASpace(ch)) {
- visibleChars++;
- }
- if (atEOL) {
- int lev = levelPrev;
- if (visibleChars == 0 && foldCompact)
- 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 we didn't reach the EOL in previous loop, store line level and whitespace information.
- // The rest will be filled in later...
- int lev = levelPrev;
- if (visibleChars == 0 && foldCompact)
- lev |= SC_FOLDLEVELWHITEFLAG;
- styler.SetLevel(lineCurrent, lev);
- }
-}
-
-LexerModule lmSTTXT(SCLEX_STTXT, ColouriseSTTXTDoc, "fcST", FoldSTTXTDoc, STTXTWordListDesc);
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-17 06:11:32 +0000