diff options
Diffstat (limited to 'src/LexLout.cxx')
| -rw-r--r-- | src/LexLout.cxx | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/src/LexLout.cxx b/src/LexLout.cxx deleted file mode 100644 index 492e4ed6d..000000000 --- a/src/LexLout.cxx +++ /dev/null @@ -1,212 +0,0 @@ -// Scintilla source code edit control -/** @file LexLout.cxx - ** Lexer for the Basser Lout (>= version 3) typesetting language - **/ -// Copyright 2003 by Kein-Hong Man <mkh@pl.jaring.my> -// 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 "StyleContext.h" -#include "KeyWords.h" -#include "Scintilla.h" -#include "SciLexer.h" - -#ifdef SCI_NAMESPACE -using namespace Scintilla; -#endif - -static inline bool IsAWordChar(const int ch) { - return (ch < 0x80) && (isalpha(ch) || ch == '@' || ch == '_'); -} - -static inline bool IsAnOther(const int ch) { - return (ch < 0x80) && (ch == '{' || ch == '}' || - ch == '!' || ch == '$' || ch == '%' || ch == '&' || ch == '\'' || - ch == '(' || ch == ')' || ch == '*' || ch == '+' || ch == ',' || - ch == '-' || ch == '.' || ch == '/' || ch == ':' || ch == ';' || - ch == '<' || ch == '=' || ch == '>' || ch == '?' || ch == '[' || - ch == ']' || ch == '^' || ch == '`' || ch == '|' || ch == '~'); -} - -static void ColouriseLoutDoc(unsigned int startPos, int length, int initStyle, - WordList *keywordlists[], Accessor &styler) { - - WordList &keywords = *keywordlists[0]; - WordList &keywords2 = *keywordlists[1]; - WordList &keywords3 = *keywordlists[2]; - - int visibleChars = 0; - int firstWordInLine = 0; - int leadingAtSign = 0; - - StyleContext sc(startPos, length, initStyle, styler); - - for (; sc.More(); sc.Forward()) { - - if (sc.atLineStart && (sc.state == SCE_LOUT_STRING)) { - // Prevent SCE_LOUT_STRINGEOL from leaking back to previous line - sc.SetState(SCE_LOUT_STRING); - } - - // Determine if the current state should terminate. - if (sc.state == SCE_LOUT_COMMENT) { - if (sc.atLineEnd) { - sc.SetState(SCE_LOUT_DEFAULT); - visibleChars = 0; - } - } else if (sc.state == SCE_LOUT_NUMBER) { - if (!IsADigit(sc.ch) && sc.ch != '.') { - sc.SetState(SCE_LOUT_DEFAULT); - } - } else if (sc.state == SCE_LOUT_STRING) { - if (sc.ch == '\\') { - if (sc.chNext == '\"' || sc.chNext == '\\') { - sc.Forward(); - } - } else if (sc.ch == '\"') { - sc.ForwardSetState(SCE_LOUT_DEFAULT); - } else if (sc.atLineEnd) { - sc.ChangeState(SCE_LOUT_STRINGEOL); - sc.ForwardSetState(SCE_LOUT_DEFAULT); - visibleChars = 0; - } - } else if (sc.state == SCE_LOUT_IDENTIFIER) { - if (!IsAWordChar(sc.ch)) { - char s[100]; - sc.GetCurrent(s, sizeof(s)); - - if (leadingAtSign) { - if (keywords.InList(s)) { - sc.ChangeState(SCE_LOUT_WORD); - } else { - sc.ChangeState(SCE_LOUT_WORD4); - } - } else if (firstWordInLine && keywords3.InList(s)) { - sc.ChangeState(SCE_LOUT_WORD3); - } - sc.SetState(SCE_LOUT_DEFAULT); - } - } else if (sc.state == SCE_LOUT_OPERATOR) { - if (!IsAnOther(sc.ch)) { - char s[100]; - sc.GetCurrent(s, sizeof(s)); - - if (keywords2.InList(s)) { - sc.ChangeState(SCE_LOUT_WORD2); - } - sc.SetState(SCE_LOUT_DEFAULT); - } - } - - // Determine if a new state should be entered. - if (sc.state == SCE_LOUT_DEFAULT) { - if (sc.ch == '#') { - sc.SetState(SCE_LOUT_COMMENT); - } else if (sc.ch == '\"') { - sc.SetState(SCE_LOUT_STRING); - } else if (IsADigit(sc.ch) || - (sc.ch == '.' && IsADigit(sc.chNext))) { - sc.SetState(SCE_LOUT_NUMBER); - } else if (IsAWordChar(sc.ch)) { - firstWordInLine = (visibleChars == 0); - leadingAtSign = (sc.ch == '@'); - sc.SetState(SCE_LOUT_IDENTIFIER); - } else if (IsAnOther(sc.ch)) { - sc.SetState(SCE_LOUT_OPERATOR); - } - } - - if (sc.atLineEnd) { - // Reset states to begining of colourise so no surprises - // if different sets of lines lexed. - visibleChars = 0; - } - if (!IsASpace(sc.ch)) { - visibleChars++; - } - } - sc.Complete(); -} - -static void FoldLoutDoc(unsigned int startPos, int length, int, WordList *[], - Accessor &styler) { - - unsigned int endPos = startPos + length; - int visibleChars = 0; - int lineCurrent = styler.GetLine(startPos); - int levelPrev = styler.LevelAt(lineCurrent) & SC_FOLDLEVELNUMBERMASK; - int levelCurrent = levelPrev; - char chNext = styler[startPos]; - bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0; - int styleNext = styler.StyleAt(startPos); - char s[10]; - - for (unsigned int i = startPos; i < endPos; 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_LOUT_WORD) { - if (ch == '@') { - for (unsigned int j = 0; j < 8; j++) { - if (!IsAWordChar(styler[i + j])) { - break; - } - s[j] = styler[i + j]; - s[j + 1] = '\0'; - } - if (strcmp(s, "@Begin") == 0) { - levelCurrent++; - } else if (strcmp(s, "@End") == 0) { - levelCurrent--; - } - } - } else if (style == SCE_LOUT_OPERATOR) { - if (ch == '{') { - levelCurrent++; - } else if (ch == '}') { - levelCurrent--; - } - } - 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 (!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 loutWordLists[] = { - "Predefined identifiers", - "Predefined delimiters", - "Predefined keywords", - 0, - }; - -LexerModule lmLout(SCLEX_LOUT, ColouriseLoutDoc, "lout", FoldLoutDoc, loutWordLists); |