diff options
Diffstat (limited to 'lexers/LexLisp.cxx')
-rw-r--r-- | lexers/LexLisp.cxx | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/lexers/LexLisp.cxx b/lexers/LexLisp.cxx deleted file mode 100644 index 8e7586355..000000000 --- a/lexers/LexLisp.cxx +++ /dev/null @@ -1,283 +0,0 @@ -// Scintilla source code edit control -/** @file LexLisp.cxx - ** Lexer for Lisp. - ** Written by Alexey Yutkin. - **/ -// 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; - -#define SCE_LISP_CHARACTER 29 -#define SCE_LISP_MACRO 30 -#define SCE_LISP_MACRO_DISPATCH 31 - -static inline bool isLispoperator(char ch) { - if (IsASCII(ch) && isalnum(ch)) - return false; - if (ch == '\'' || ch == '`' || ch == '(' || ch == ')' || ch == '[' || ch == ']' || ch == '{' || ch == '}') - return true; - return false; -} - -static inline bool isLispwordstart(char ch) { - return IsASCII(ch) && ch != ';' && !isspacechar(ch) && !isLispoperator(ch) && - ch != '\n' && ch != '\r' && ch != '\"'; -} - - -static void classifyWordLisp(Sci_PositionU start, Sci_PositionU end, WordList &keywords, WordList &keywords_kw, Accessor &styler) { - assert(end >= start); - char s[100]; - Sci_PositionU i; - bool digit_flag = true; - for (i = 0; (i < end - start + 1) && (i < 99); i++) { - s[i] = styler[start + i]; - s[i + 1] = '\0'; - if (!isdigit(s[i]) && (s[i] != '.')) digit_flag = false; - } - char chAttr = SCE_LISP_IDENTIFIER; - - if(digit_flag) chAttr = SCE_LISP_NUMBER; - else { - if (keywords.InList(s)) { - chAttr = SCE_LISP_KEYWORD; - } else if (keywords_kw.InList(s)) { - chAttr = SCE_LISP_KEYWORD_KW; - } else if ((s[0] == '*' && s[i-1] == '*') || - (s[0] == '+' && s[i-1] == '+')) { - chAttr = SCE_LISP_SPECIAL; - } - } - styler.ColourTo(end, chAttr); - return; -} - - -static void ColouriseLispDoc(Sci_PositionU startPos, Sci_Position length, int initStyle, WordList *keywordlists[], - Accessor &styler) { - - WordList &keywords = *keywordlists[0]; - WordList &keywords_kw = *keywordlists[1]; - - styler.StartAt(startPos); - - int state = initStyle, radix = -1; - char chNext = styler[startPos]; - Sci_PositionU lengthDoc = startPos + length; - styler.StartSegment(startPos); - for (Sci_PositionU i = startPos; i < lengthDoc; i++) { - char ch = chNext; - chNext = styler.SafeGetCharAt(i + 1); - - bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n'); - - if (styler.IsLeadByte(ch)) { - chNext = styler.SafeGetCharAt(i + 2); - i += 1; - continue; - } - - if (state == SCE_LISP_DEFAULT) { - if (ch == '#') { - styler.ColourTo(i - 1, state); - radix = -1; - state = SCE_LISP_MACRO_DISPATCH; - } else if (ch == ':' && isLispwordstart(chNext)) { - styler.ColourTo(i - 1, state); - state = SCE_LISP_SYMBOL; - } else if (isLispwordstart(ch)) { - styler.ColourTo(i - 1, state); - state = SCE_LISP_IDENTIFIER; - } - else if (ch == ';') { - styler.ColourTo(i - 1, state); - state = SCE_LISP_COMMENT; - } - else if (isLispoperator(ch) || ch=='\'') { - styler.ColourTo(i - 1, state); - styler.ColourTo(i, SCE_LISP_OPERATOR); - if (ch=='\'' && isLispwordstart(chNext)) { - state = SCE_LISP_SYMBOL; - } - } - else if (ch == '\"') { - styler.ColourTo(i - 1, state); - state = SCE_LISP_STRING; - } - } else if (state == SCE_LISP_IDENTIFIER || state == SCE_LISP_SYMBOL) { - if (!isLispwordstart(ch)) { - if (state == SCE_LISP_IDENTIFIER) { - classifyWordLisp(styler.GetStartSegment(), i - 1, keywords, keywords_kw, styler); - } else { - styler.ColourTo(i - 1, state); - } - state = SCE_LISP_DEFAULT; - } /*else*/ - if (isLispoperator(ch) || ch=='\'') { - styler.ColourTo(i - 1, state); - styler.ColourTo(i, SCE_LISP_OPERATOR); - if (ch=='\'' && isLispwordstart(chNext)) { - state = SCE_LISP_SYMBOL; - } - } - } else if (state == SCE_LISP_MACRO_DISPATCH) { - if (!(IsASCII(ch) && isdigit(ch))) { - if (ch != 'r' && ch != 'R' && (i - styler.GetStartSegment()) > 1) { - state = SCE_LISP_DEFAULT; - } else { - switch (ch) { - case '|': state = SCE_LISP_MULTI_COMMENT; break; - case 'o': - case 'O': radix = 8; state = SCE_LISP_MACRO; break; - case 'x': - case 'X': radix = 16; state = SCE_LISP_MACRO; break; - case 'b': - case 'B': radix = 2; state = SCE_LISP_MACRO; break; - case '\\': state = SCE_LISP_CHARACTER; break; - case ':': - case '-': - case '+': state = SCE_LISP_MACRO; break; - case '\'': if (isLispwordstart(chNext)) { - state = SCE_LISP_SPECIAL; - } else { - styler.ColourTo(i - 1, SCE_LISP_DEFAULT); - styler.ColourTo(i, SCE_LISP_OPERATOR); - state = SCE_LISP_DEFAULT; - } - break; - default: if (isLispoperator(ch)) { - styler.ColourTo(i - 1, SCE_LISP_DEFAULT); - styler.ColourTo(i, SCE_LISP_OPERATOR); - } - state = SCE_LISP_DEFAULT; - break; - } - } - } - } else if (state == SCE_LISP_MACRO) { - if (isLispwordstart(ch) && (radix == -1 || IsADigit(ch, radix))) { - state = SCE_LISP_SPECIAL; - } else { - state = SCE_LISP_DEFAULT; - } - } else if (state == SCE_LISP_CHARACTER) { - if (isLispoperator(ch)) { - styler.ColourTo(i, SCE_LISP_SPECIAL); - state = SCE_LISP_DEFAULT; - } else if (isLispwordstart(ch)) { - styler.ColourTo(i, SCE_LISP_SPECIAL); - state = SCE_LISP_SPECIAL; - } else { - state = SCE_LISP_DEFAULT; - } - } else if (state == SCE_LISP_SPECIAL) { - if (!isLispwordstart(ch) || (radix != -1 && !IsADigit(ch, radix))) { - styler.ColourTo(i - 1, state); - state = SCE_LISP_DEFAULT; - } - if (isLispoperator(ch) || ch=='\'') { - styler.ColourTo(i - 1, state); - styler.ColourTo(i, SCE_LISP_OPERATOR); - if (ch=='\'' && isLispwordstart(chNext)) { - state = SCE_LISP_SYMBOL; - } - } - } else { - if (state == SCE_LISP_COMMENT) { - if (atEOL) { - styler.ColourTo(i - 1, state); - state = SCE_LISP_DEFAULT; - } - } else if (state == SCE_LISP_MULTI_COMMENT) { - if (ch == '|' && chNext == '#') { - i++; - chNext = styler.SafeGetCharAt(i + 1); - styler.ColourTo(i, state); - state = SCE_LISP_DEFAULT; - } - } else if (state == SCE_LISP_STRING) { - if (ch == '\\') { - if (chNext == '\"' || chNext == '\'' || chNext == '\\') { - i++; - chNext = styler.SafeGetCharAt(i + 1); - } - } else if (ch == '\"') { - styler.ColourTo(i, state); - state = SCE_LISP_DEFAULT; - } - } - } - - } - styler.ColourTo(lengthDoc - 1, state); -} - -static void FoldLispDoc(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 styleNext = styler.StyleAt(startPos); - 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 (style == SCE_LISP_OPERATOR) { - if (ch == '(' || ch == '[' || ch == '{') { - levelCurrent++; - } else if (ch == ')' || ch == ']' || ch == '}') { - levelCurrent--; - } - } - 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++; - } - // 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 lispWordListDesc[] = { - "Functions and special operators", - "Keywords", - 0 -}; - -LexerModule lmLISP(SCLEX_LISP, ColouriseLispDoc, "lisp", FoldLispDoc, lispWordListDesc); |