diff options
Diffstat (limited to 'scintilla/src/LexLisp.cxx')
| -rw-r--r-- | scintilla/src/LexLisp.cxx | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/scintilla/src/LexLisp.cxx b/scintilla/src/LexLisp.cxx deleted file mode 100644 index bad298c..0000000 --- a/scintilla/src/LexLisp.cxx +++ /dev/null @@ -1,282 +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 <ctype.h>
-#include <stdio.h>
-#include <stdarg.h>
-
-#include "Platform.h"
-
-#include "PropSet.h"
-#include "Accessor.h"
-#include "KeyWords.h"
-#include "Scintilla.h"
-#include "SciLexer.h"
-#include "StyleContext.h"
-
-#ifdef SCI_NAMESPACE
-using namespace Scintilla;
-#endif
-
-#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(unsigned int start, unsigned int end, WordList &keywords, WordList &keywords_kw, Accessor &styler) {
- PLATFORM_ASSERT(end >= start);
- char s[100];
- unsigned int 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(unsigned int startPos, int 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];
- unsigned int lengthDoc = startPos + length;
- styler.StartSegment(startPos);
- for (unsigned int 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(unsigned int startPos, int length, int /* initStyle */, WordList *[],
- Accessor &styler) {
- unsigned int lengthDoc = startPos + length;
- int visibleChars = 0;
- int lineCurrent = styler.GetLine(startPos);
- int levelPrev = styler.LevelAt(lineCurrent) & SC_FOLDLEVELNUMBERMASK;
- int levelCurrent = levelPrev;
- char chNext = styler[startPos];
- int styleNext = styler.StyleAt(startPos);
- for (unsigned int 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);
|