You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
380 lines
12 KiB
380 lines
12 KiB
// Scintilla source code edit control
|
|
/** @file LexScriptol.cxx
|
|
** Lexer for Scriptol.
|
|
**/
|
|
|
|
#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 ClassifyWordSol(Sci_PositionU start, Sci_PositionU end, WordList &keywords, Accessor &styler, char *prevWord)
|
|
{
|
|
char s[100] = "";
|
|
bool wordIsNumber = isdigit(styler[start]) != 0;
|
|
for (Sci_PositionU i = 0; i < end - start + 1 && i < 30; i++)
|
|
{
|
|
s[i] = styler[start + i];
|
|
s[i + 1] = '\0';
|
|
}
|
|
char chAttr = SCE_SCRIPTOL_IDENTIFIER;
|
|
if (0 == strcmp(prevWord, "class")) chAttr = SCE_SCRIPTOL_CLASSNAME;
|
|
else if (wordIsNumber) chAttr = SCE_SCRIPTOL_NUMBER;
|
|
else if (keywords.InList(s)) chAttr = SCE_SCRIPTOL_KEYWORD;
|
|
else for (Sci_PositionU i = 0; i < end - start + 1; i++) // test dotted idents
|
|
{
|
|
if (styler[start + i] == '.')
|
|
{
|
|
styler.ColourTo(start + i - 1, chAttr);
|
|
styler.ColourTo(start + i, SCE_SCRIPTOL_OPERATOR);
|
|
}
|
|
}
|
|
styler.ColourTo(end, chAttr);
|
|
strcpy(prevWord, s);
|
|
}
|
|
|
|
static bool IsSolComment(Accessor &styler, Sci_Position pos, Sci_Position len)
|
|
{
|
|
if(len > 0)
|
|
{
|
|
char c = styler[pos];
|
|
if(c == '`') return true;
|
|
if(len > 1)
|
|
{
|
|
if(c == '/')
|
|
{
|
|
c = styler[pos + 1];
|
|
if(c == '/') return true;
|
|
if(c == '*') return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool IsSolStringStart(char ch)
|
|
{
|
|
if (ch == '\'' || ch == '"') return true;
|
|
return false;
|
|
}
|
|
|
|
static bool IsSolWordStart(char ch)
|
|
{
|
|
return (iswordchar(ch) && !IsSolStringStart(ch));
|
|
}
|
|
|
|
|
|
static int GetSolStringState(Accessor &styler, Sci_Position i, Sci_Position *nextIndex)
|
|
{
|
|
char ch = styler.SafeGetCharAt(i);
|
|
char chNext = styler.SafeGetCharAt(i + 1);
|
|
|
|
if (ch != '\"' && ch != '\'')
|
|
{
|
|
*nextIndex = i + 1;
|
|
return SCE_SCRIPTOL_DEFAULT;
|
|
}
|
|
// ch is either single or double quotes in string
|
|
// code below seem non-sense but is here for future extensions
|
|
if (ch == chNext && ch == styler.SafeGetCharAt(i + 2))
|
|
{
|
|
*nextIndex = i + 3;
|
|
if(ch == '\"') return SCE_SCRIPTOL_TRIPLE;
|
|
if(ch == '\'') return SCE_SCRIPTOL_TRIPLE;
|
|
return SCE_SCRIPTOL_STRING;
|
|
}
|
|
else
|
|
{
|
|
*nextIndex = i + 1;
|
|
if (ch == '"') return SCE_SCRIPTOL_STRING;
|
|
else return SCE_SCRIPTOL_STRING;
|
|
}
|
|
}
|
|
|
|
|
|
static void ColouriseSolDoc(Sci_PositionU startPos, Sci_Position length, int initStyle,
|
|
WordList *keywordlists[], Accessor &styler)
|
|
{
|
|
|
|
Sci_Position lengthDoc = startPos + length;
|
|
char stringType = '\"';
|
|
|
|
if (startPos > 0)
|
|
{
|
|
Sci_Position lineCurrent = styler.GetLine(startPos);
|
|
if (lineCurrent > 0)
|
|
{
|
|
startPos = styler.LineStart(lineCurrent-1);
|
|
if (startPos == 0) initStyle = SCE_SCRIPTOL_DEFAULT;
|
|
else initStyle = styler.StyleAt(startPos-1);
|
|
}
|
|
}
|
|
|
|
styler.StartAt(startPos);
|
|
|
|
WordList &keywords = *keywordlists[0];
|
|
|
|
char prevWord[200];
|
|
prevWord[0] = '\0';
|
|
if (length == 0) return;
|
|
|
|
int state = initStyle & 31;
|
|
|
|
Sci_Position nextIndex = 0;
|
|
char chPrev = ' ';
|
|
char chPrev2 = ' ';
|
|
char chNext = styler[startPos];
|
|
styler.StartSegment(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))
|
|
{
|
|
if ((state == SCE_SCRIPTOL_DEFAULT) ||
|
|
(state == SCE_SCRIPTOL_TRIPLE) ||
|
|
(state == SCE_SCRIPTOL_COMMENTBLOCK))
|
|
{
|
|
styler.ColourTo(i, state);
|
|
}
|
|
}
|
|
|
|
if (styler.IsLeadByte(ch))
|
|
{
|
|
chNext = styler.SafeGetCharAt(i + 2);
|
|
chPrev = ' ';
|
|
chPrev2 = ' ';
|
|
i += 1;
|
|
continue;
|
|
}
|
|
|
|
if (state == SCE_SCRIPTOL_STRINGEOL)
|
|
{
|
|
if (ch != '\r' && ch != '\n')
|
|
{
|
|
styler.ColourTo(i - 1, state);
|
|
state = SCE_SCRIPTOL_DEFAULT;
|
|
}
|
|
}
|
|
|
|
if (state == SCE_SCRIPTOL_DEFAULT)
|
|
{
|
|
if (IsSolWordStart(ch))
|
|
{
|
|
styler.ColourTo(i - 1, state);
|
|
state = SCE_SCRIPTOL_KEYWORD;
|
|
}
|
|
else if (ch == '`')
|
|
{
|
|
styler.ColourTo(i - 1, state);
|
|
state = SCE_SCRIPTOL_COMMENTLINE;
|
|
}
|
|
else if (ch == '/')
|
|
{
|
|
styler.ColourTo(i - 1, state);
|
|
if(chNext == '/') state = SCE_SCRIPTOL_CSTYLE;
|
|
if(chNext == '*') state = SCE_SCRIPTOL_COMMENTBLOCK;
|
|
}
|
|
|
|
else if (IsSolStringStart(ch))
|
|
{
|
|
styler.ColourTo(i - 1, state);
|
|
state = GetSolStringState(styler, i, &nextIndex);
|
|
if(state == SCE_SCRIPTOL_STRING)
|
|
{
|
|
stringType = ch;
|
|
}
|
|
if (nextIndex != i + 1)
|
|
{
|
|
i = nextIndex - 1;
|
|
ch = ' ';
|
|
chPrev = ' ';
|
|
chNext = styler.SafeGetCharAt(i + 1);
|
|
}
|
|
}
|
|
else if (isoperator(ch))
|
|
{
|
|
styler.ColourTo(i - 1, state);
|
|
styler.ColourTo(i, SCE_SCRIPTOL_OPERATOR);
|
|
}
|
|
}
|
|
else if (state == SCE_SCRIPTOL_KEYWORD)
|
|
{
|
|
if (!iswordchar(ch))
|
|
{
|
|
ClassifyWordSol(styler.GetStartSegment(), i - 1, keywords, styler, prevWord);
|
|
state = SCE_SCRIPTOL_DEFAULT;
|
|
if (ch == '`')
|
|
{
|
|
state = chNext == '`' ? SCE_SCRIPTOL_PERSISTENT : SCE_SCRIPTOL_COMMENTLINE;
|
|
}
|
|
else if (IsSolStringStart(ch))
|
|
{
|
|
styler.ColourTo(i - 1, state);
|
|
state = GetSolStringState(styler, i, &nextIndex);
|
|
if (nextIndex != i + 1)
|
|
{
|
|
i = nextIndex - 1;
|
|
ch = ' ';
|
|
chPrev = ' ';
|
|
chNext = styler.SafeGetCharAt(i + 1);
|
|
}
|
|
}
|
|
else if (isoperator(ch))
|
|
{
|
|
styler.ColourTo(i, SCE_SCRIPTOL_OPERATOR);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (state == SCE_SCRIPTOL_COMMENTLINE ||
|
|
state == SCE_SCRIPTOL_PERSISTENT ||
|
|
state == SCE_SCRIPTOL_CSTYLE)
|
|
{
|
|
if (ch == '\r' || ch == '\n')
|
|
{
|
|
styler.ColourTo(i - 1, state);
|
|
state = SCE_SCRIPTOL_DEFAULT;
|
|
}
|
|
}
|
|
else if(state == SCE_SCRIPTOL_COMMENTBLOCK)
|
|
{
|
|
if(chPrev == '*' && ch == '/')
|
|
{
|
|
styler.ColourTo(i, state);
|
|
state = SCE_SCRIPTOL_DEFAULT;
|
|
}
|
|
}
|
|
else if ((state == SCE_SCRIPTOL_STRING) ||
|
|
(state == SCE_SCRIPTOL_CHARACTER))
|
|
{
|
|
if ((ch == '\r' || ch == '\n') && (chPrev != '\\'))
|
|
{
|
|
styler.ColourTo(i - 1, state);
|
|
state = SCE_SCRIPTOL_STRINGEOL;
|
|
}
|
|
else if (ch == '\\')
|
|
{
|
|
if (chNext == '\"' || chNext == '\'' || chNext == '\\')
|
|
{
|
|
i++;
|
|
ch = chNext;
|
|
chNext = styler.SafeGetCharAt(i + 1);
|
|
}
|
|
}
|
|
else if ((ch == '\"') || (ch == '\''))
|
|
{
|
|
// must match the entered quote type
|
|
if(ch == stringType)
|
|
{
|
|
styler.ColourTo(i, state);
|
|
state = SCE_SCRIPTOL_DEFAULT;
|
|
}
|
|
}
|
|
}
|
|
else if (state == SCE_SCRIPTOL_TRIPLE)
|
|
{
|
|
if ((ch == '\'' && chPrev == '\'' && chPrev2 == '\'') ||
|
|
(ch == '\"' && chPrev == '\"' && chPrev2 == '\"'))
|
|
{
|
|
styler.ColourTo(i, state);
|
|
state = SCE_SCRIPTOL_DEFAULT;
|
|
}
|
|
}
|
|
|
|
}
|
|
chPrev2 = chPrev;
|
|
chPrev = ch;
|
|
}
|
|
if (state == SCE_SCRIPTOL_KEYWORD)
|
|
{
|
|
ClassifyWordSol(styler.GetStartSegment(),
|
|
lengthDoc-1, keywords, styler, prevWord);
|
|
}
|
|
else
|
|
{
|
|
styler.ColourTo(lengthDoc-1, state);
|
|
}
|
|
}
|
|
|
|
static void FoldSolDoc(Sci_PositionU startPos, Sci_Position length, int initStyle,
|
|
WordList *[], Accessor &styler)
|
|
{
|
|
Sci_Position lengthDoc = startPos + length;
|
|
|
|
Sci_Position lineCurrent = styler.GetLine(startPos);
|
|
if (startPos > 0)
|
|
{
|
|
if (lineCurrent > 0)
|
|
{
|
|
lineCurrent--;
|
|
startPos = styler.LineStart(lineCurrent);
|
|
if (startPos == 0)
|
|
initStyle = SCE_SCRIPTOL_DEFAULT;
|
|
else
|
|
initStyle = styler.StyleAt(startPos-1);
|
|
}
|
|
}
|
|
int state = initStyle & 31;
|
|
int spaceFlags = 0;
|
|
int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, IsSolComment);
|
|
if (state == SCE_SCRIPTOL_TRIPLE)
|
|
indentCurrent |= SC_FOLDLEVELWHITEFLAG;
|
|
char chNext = styler[startPos];
|
|
for (Sci_Position i = startPos; i < lengthDoc; i++)
|
|
{
|
|
char ch = chNext;
|
|
chNext = styler.SafeGetCharAt(i + 1);
|
|
int style = styler.StyleAt(i) & 31;
|
|
|
|
if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == lengthDoc))
|
|
{
|
|
int lev = indentCurrent;
|
|
int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags, IsSolComment);
|
|
if (style == SCE_SCRIPTOL_TRIPLE)
|
|
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, IsSolComment);
|
|
if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK))
|
|
{
|
|
lev |= SC_FOLDLEVELHEADERFLAG;
|
|
}
|
|
}
|
|
}
|
|
indentCurrent = indentNext;
|
|
styler.SetLevel(lineCurrent, lev);
|
|
lineCurrent++;
|
|
}
|
|
}
|
|
}
|
|
|
|
LexerModule lmScriptol(SCLEX_SCRIPTOL, ColouriseSolDoc, "scriptol", FoldSolDoc);
|