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https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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408 lines
13 KiB
C++
408 lines
13 KiB
C++
// Scintilla source code edit control
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/** @file LexScriptol.cxx
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** Lexer for Scriptol.
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**/
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include "Platform.h"
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#include "PropSet.h"
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#include "Accessor.h"
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#include "KeyWords.h"
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#include "Scintilla.h"
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#include "SciLexer.h"
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#ifdef SCI_NAMESPACE
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using namespace Scintilla;
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#endif
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static void ClassifyWordSol(unsigned int start, unsigned int end, WordList &keywords, Accessor &styler, char *prevWord)
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{
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char s[100];
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bool wordIsNumber = isdigit(styler[start]) != 0;
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for (unsigned int i = 0; i < end - start + 1 && i < 30; i++)
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{
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s[i] = styler[start + i];
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s[i + 1] = '\0';
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}
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char chAttr = SCE_SCRIPTOL_IDENTIFIER;
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if (0 == strcmp(prevWord, "class")) chAttr = SCE_SCRIPTOL_CLASSNAME;
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else if (wordIsNumber) chAttr = SCE_SCRIPTOL_NUMBER;
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else if (keywords.InList(s)) chAttr = SCE_SCRIPTOL_KEYWORD;
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else for (unsigned int i = 0; i < end - start + 1; i++) // test dotted idents
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{
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if (styler[start + i] == '.')
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{
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styler.ColourTo(start + i - 1, chAttr);
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styler.ColourTo(start + i, SCE_SCRIPTOL_OPERATOR);
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}
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}
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styler.ColourTo(end, chAttr);
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strcpy(prevWord, s);
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}
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static bool IsSolComment(Accessor &styler, int pos, int len)
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{
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char c;
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if(len > 0)
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{
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c = styler[pos];
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if(c == '`') return true;
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if(len > 1)
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{
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if(c == '/')
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{
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c = styler[pos + 1];
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if(c == '/') return true;
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if(c == '*') return true;
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}
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}
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}
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return false;
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}
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static bool IsSolStringStart(char ch)
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{
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if (ch == '\'' || ch == '"') return true;
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return false;
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}
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static bool IsSolWordStart(char ch)
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{
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return (iswordchar(ch) && !IsSolStringStart(ch));
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}
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static int GetSolStringState(Accessor &styler, int i, int *nextIndex)
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{
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char ch = styler.SafeGetCharAt(i);
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char chNext = styler.SafeGetCharAt(i + 1);
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if (ch != '\"' && ch != '\'')
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{
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*nextIndex = i + 1;
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return SCE_SCRIPTOL_DEFAULT;
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}
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// ch is either single or double quotes in string
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// code below seem non-sense but is here for future extensions
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if (ch == chNext && ch == styler.SafeGetCharAt(i + 2))
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{
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*nextIndex = i + 3;
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if(ch == '\"') return SCE_SCRIPTOL_TRIPLE;
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if(ch == '\'') return SCE_SCRIPTOL_TRIPLE;
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return SCE_SCRIPTOL_STRING;
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}
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else
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{
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*nextIndex = i + 1;
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if (ch == '"') return SCE_SCRIPTOL_STRING;
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else return SCE_SCRIPTOL_STRING;
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}
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}
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static void ColouriseSolDoc(unsigned int startPos, int length, int initStyle,
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WordList *keywordlists[], Accessor &styler)
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{
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int lengthDoc = startPos + length;
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char stringType = '\"';
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if (startPos > 0)
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{
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int lineCurrent = styler.GetLine(startPos);
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if (lineCurrent > 0)
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{
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startPos = styler.LineStart(lineCurrent-1);
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if (startPos == 0) initStyle = SCE_SCRIPTOL_DEFAULT;
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else initStyle = styler.StyleAt(startPos-1);
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}
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}
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styler.StartAt(startPos, 127);
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WordList &keywords = *keywordlists[0];
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int whingeLevel = styler.GetPropertyInt("tab.timmy.whinge.level");
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char prevWord[200];
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prevWord[0] = '\0';
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if (length == 0) return;
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int state = initStyle & 31;
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int nextIndex = 0;
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char chPrev = ' ';
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char chPrev2 = ' ';
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char chNext = styler[startPos];
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styler.StartSegment(startPos);
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bool atStartLine = true;
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int spaceFlags = 0;
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for (int i = startPos; i < lengthDoc; i++)
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{
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if (atStartLine)
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{
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char chBad = static_cast<char>(64);
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char chGood = static_cast<char>(0);
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char chFlags = chGood;
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if (whingeLevel == 1)
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{
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chFlags = (spaceFlags & wsInconsistent) ? chBad : chGood;
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}
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else if (whingeLevel == 2)
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{
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chFlags = (spaceFlags & wsSpaceTab) ? chBad : chGood;
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}
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else if (whingeLevel == 3)
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{
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chFlags = (spaceFlags & wsSpace) ? chBad : chGood;
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}
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else if (whingeLevel == 4)
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{
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chFlags = (spaceFlags & wsTab) ? chBad : chGood;
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}
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styler.SetFlags(chFlags, static_cast<char>(state));
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atStartLine = false;
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}
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char ch = chNext;
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chNext = styler.SafeGetCharAt(i + 1);
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if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == lengthDoc))
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{
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if ((state == SCE_SCRIPTOL_DEFAULT) ||
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(state == SCE_SCRIPTOL_TRIPLE) ||
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(state == SCE_SCRIPTOL_COMMENTBLOCK))
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{
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styler.ColourTo(i, state);
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}
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atStartLine = true;
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}
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if (styler.IsLeadByte(ch))
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{
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chNext = styler.SafeGetCharAt(i + 2);
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chPrev = ' ';
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chPrev2 = ' ';
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i += 1;
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continue;
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}
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if (state == SCE_SCRIPTOL_STRINGEOL)
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{
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if (ch != '\r' && ch != '\n')
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{
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styler.ColourTo(i - 1, state);
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state = SCE_SCRIPTOL_DEFAULT;
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}
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}
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if (state == SCE_SCRIPTOL_DEFAULT)
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{
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if (IsSolWordStart(ch))
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{
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styler.ColourTo(i - 1, state);
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state = SCE_SCRIPTOL_KEYWORD;
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}
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else if (ch == '`')
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{
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styler.ColourTo(i - 1, state);
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state = SCE_SCRIPTOL_COMMENTLINE;
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}
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else if (ch == '/')
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{
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styler.ColourTo(i - 1, state);
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if(chNext == '/') state = SCE_SCRIPTOL_CSTYLE;
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if(chNext == '*') state = SCE_SCRIPTOL_COMMENTBLOCK;
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}
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else if (IsSolStringStart(ch))
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{
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styler.ColourTo(i - 1, state);
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state = GetSolStringState(styler, i, &nextIndex);
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if(state == SCE_SCRIPTOL_STRING)
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{
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stringType = ch;
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}
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if (nextIndex != i + 1)
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{
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i = nextIndex - 1;
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ch = ' ';
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chPrev = ' ';
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chNext = styler.SafeGetCharAt(i + 1);
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}
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}
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else if (isoperator(ch))
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{
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styler.ColourTo(i - 1, state);
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styler.ColourTo(i, SCE_SCRIPTOL_OPERATOR);
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}
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}
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else if (state == SCE_SCRIPTOL_KEYWORD)
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{
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if (!iswordchar(ch))
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{
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ClassifyWordSol(styler.GetStartSegment(), i - 1, keywords, styler, prevWord);
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state = SCE_SCRIPTOL_DEFAULT;
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if (ch == '`')
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{
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state = chNext == '`' ? SCE_SCRIPTOL_PERSISTENT : SCE_SCRIPTOL_COMMENTLINE;
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}
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else if (IsSolStringStart(ch))
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{
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styler.ColourTo(i - 1, state);
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state = GetSolStringState(styler, i, &nextIndex);
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if (nextIndex != i + 1)
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{
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i = nextIndex - 1;
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ch = ' ';
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chPrev = ' ';
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chNext = styler.SafeGetCharAt(i + 1);
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}
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}
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else if (isoperator(ch))
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{
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styler.ColourTo(i, SCE_SCRIPTOL_OPERATOR);
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}
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}
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}
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else
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{
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if (state == SCE_SCRIPTOL_COMMENTLINE ||
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state == SCE_SCRIPTOL_PERSISTENT ||
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state == SCE_SCRIPTOL_CSTYLE)
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{
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if (ch == '\r' || ch == '\n')
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{
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styler.ColourTo(i - 1, state);
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state = SCE_SCRIPTOL_DEFAULT;
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}
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}
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else if(state == SCE_SCRIPTOL_COMMENTBLOCK)
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{
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if(chPrev == '*' && ch == '/')
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{
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styler.ColourTo(i, state);
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state = SCE_SCRIPTOL_DEFAULT;
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}
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}
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else if ((state == SCE_SCRIPTOL_STRING) ||
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(state == SCE_SCRIPTOL_CHARACTER))
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{
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if ((ch == '\r' || ch == '\n') && (chPrev != '\\'))
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{
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styler.ColourTo(i - 1, state);
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state = SCE_SCRIPTOL_STRINGEOL;
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}
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else if (ch == '\\')
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{
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if (chNext == '\"' || chNext == '\'' || chNext == '\\')
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{
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i++;
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ch = chNext;
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chNext = styler.SafeGetCharAt(i + 1);
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}
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}
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else if ((ch == '\"') || (ch == '\''))
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{
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// must match the entered quote type
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if(ch == stringType)
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{
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styler.ColourTo(i, state);
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state = SCE_SCRIPTOL_DEFAULT;
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}
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}
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}
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else if (state == SCE_SCRIPTOL_TRIPLE)
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{
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if ((ch == '\'' && chPrev == '\'' && chPrev2 == '\'') ||
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(ch == '\"' && chPrev == '\"' && chPrev2 == '\"'))
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{
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styler.ColourTo(i, state);
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state = SCE_SCRIPTOL_DEFAULT;
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}
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}
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}
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chPrev2 = chPrev;
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chPrev = ch;
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}
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if (state == SCE_SCRIPTOL_KEYWORD)
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{
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ClassifyWordSol(styler.GetStartSegment(),
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lengthDoc-1, keywords, styler, prevWord);
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}
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else
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{
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styler.ColourTo(lengthDoc-1, state);
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}
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}
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static void FoldSolDoc(unsigned int startPos, int length, int initStyle,
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WordList *[], Accessor &styler)
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{
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int lengthDoc = startPos + length;
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int lineCurrent = styler.GetLine(startPos);
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if (startPos > 0)
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{
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if (lineCurrent > 0)
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{
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lineCurrent--;
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startPos = styler.LineStart(lineCurrent);
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if (startPos == 0)
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initStyle = SCE_SCRIPTOL_DEFAULT;
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else
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initStyle = styler.StyleAt(startPos-1);
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}
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}
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int state = initStyle & 31;
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int spaceFlags = 0;
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int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, IsSolComment);
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if ((state == SCE_SCRIPTOL_TRIPLE))
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indentCurrent |= SC_FOLDLEVELWHITEFLAG;
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char chNext = styler[startPos];
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for (int i = startPos; i < lengthDoc; i++)
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{
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char ch = chNext;
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chNext = styler.SafeGetCharAt(i + 1);
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int style = styler.StyleAt(i) & 31;
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if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == lengthDoc))
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{
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int lev = indentCurrent;
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int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags, IsSolComment);
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if (style == SCE_SCRIPTOL_TRIPLE)
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indentNext |= SC_FOLDLEVELWHITEFLAG;
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if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG))
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{
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// Only non whitespace lines can be headers
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if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext & SC_FOLDLEVELNUMBERMASK))
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{
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lev |= SC_FOLDLEVELHEADERFLAG;
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}
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else if (indentNext & SC_FOLDLEVELWHITEFLAG)
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{
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// Line after is blank so check the next - maybe should continue further?
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int spaceFlags2 = 0;
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int indentNext2 = styler.IndentAmount(lineCurrent + 2, &spaceFlags2, IsSolComment);
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if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK))
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{
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lev |= SC_FOLDLEVELHEADERFLAG;
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}
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}
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}
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indentCurrent = indentNext;
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styler.SetLevel(lineCurrent, lev);
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lineCurrent++;
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}
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}
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}
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LexerModule lmScriptol(SCLEX_SCRIPTOL, ColouriseSolDoc, "scriptol", FoldSolDoc);
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