diff options
Diffstat (limited to 'src/LexEiffel.cxx')
| -rw-r--r-- | src/LexEiffel.cxx | 238 | 
1 files changed, 0 insertions, 238 deletions
| diff --git a/src/LexEiffel.cxx b/src/LexEiffel.cxx deleted file mode 100644 index 03dea5e73..000000000 --- a/src/LexEiffel.cxx +++ /dev/null @@ -1,238 +0,0 @@ -// Scintilla source code edit control -/** @file LexEiffel.cxx - ** Lexer for Eiffel. - **/ -// 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 <stdarg.h> -#include <stdio.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 isEiffelOperator(unsigned int ch) { -	// '.' left out as it is used to make up numbers -	return 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 inline bool IsAWordChar(unsigned int  ch) { -	return (ch < 0x80) && (isalnum(ch) || ch == '_'); -} - -static inline bool IsAWordStart(unsigned int ch) { -	return (ch < 0x80) && (isalnum(ch) || ch == '_'); -} - -static void ColouriseEiffelDoc(unsigned int startPos, -                            int length, -                            int initStyle, -                            WordList *keywordlists[], -                            Accessor &styler) { - -	WordList &keywords = *keywordlists[0]; - -	StyleContext sc(startPos, length, initStyle, styler); - -	for (; sc.More(); sc.Forward()) { - -		if (sc.state == SCE_EIFFEL_STRINGEOL) { -			if (sc.ch != '\r' && sc.ch != '\n') { -				sc.SetState(SCE_EIFFEL_DEFAULT); -			} -		} else if (sc.state == SCE_EIFFEL_OPERATOR) { -			sc.SetState(SCE_EIFFEL_DEFAULT); -		} else if (sc.state == SCE_EIFFEL_WORD) { -			if (!IsAWordChar(sc.ch)) { -				char s[100]; -				sc.GetCurrentLowered(s, sizeof(s)); -				if (!keywords.InList(s)) { -					sc.ChangeState(SCE_EIFFEL_IDENTIFIER); -				} -				sc.SetState(SCE_EIFFEL_DEFAULT); -			} -		} else if (sc.state == SCE_EIFFEL_NUMBER) { -			if (!IsAWordChar(sc.ch)) { -				sc.SetState(SCE_EIFFEL_DEFAULT); -			} -		} else if (sc.state == SCE_EIFFEL_COMMENTLINE) { -			if (sc.ch == '\r' || sc.ch == '\n') { -				sc.SetState(SCE_EIFFEL_DEFAULT); -			} -		} else if (sc.state == SCE_EIFFEL_STRING) { -			if (sc.ch == '%') { -				sc.Forward(); -			} else if (sc.ch == '\"') { -				sc.Forward(); -				sc.SetState(SCE_EIFFEL_DEFAULT); -			} -		} else if (sc.state == SCE_EIFFEL_CHARACTER) { -			if (sc.ch == '\r' || sc.ch == '\n') { -				sc.SetState(SCE_EIFFEL_STRINGEOL); -			} else if (sc.ch == '%') { -				sc.Forward(); -			} else if (sc.ch == '\'') { -				sc.Forward(); -				sc.SetState(SCE_EIFFEL_DEFAULT); -			} -		} - -		if (sc.state == SCE_EIFFEL_DEFAULT) { -			if (sc.ch == '-' && sc.chNext == '-') { -				sc.SetState(SCE_EIFFEL_COMMENTLINE); -			} else if (sc.ch == '\"') { -				sc.SetState(SCE_EIFFEL_STRING); -			} else if (sc.ch == '\'') { -				sc.SetState(SCE_EIFFEL_CHARACTER); -			} else if (IsADigit(sc.ch) || (sc.ch == '.')) { -				sc.SetState(SCE_EIFFEL_NUMBER); -			} else if (IsAWordStart(sc.ch)) { -				sc.SetState(SCE_EIFFEL_WORD); -			} else if (isEiffelOperator(sc.ch)) { -				sc.SetState(SCE_EIFFEL_OPERATOR); -			} -		} -	} -	sc.Complete(); -} - -static bool IsEiffelComment(Accessor &styler, int pos, int len) { -	return len>1 && styler[pos]=='-' && styler[pos+1]=='-'; -} - -static void FoldEiffelDocIndent(unsigned int startPos, int length, int, -						   WordList *[], Accessor &styler) { -	int lengthDoc = startPos + length; - -	// Backtrack to previous line in case need to fix its fold status -	int lineCurrent = styler.GetLine(startPos); -	if (startPos > 0) { -		if (lineCurrent > 0) { -			lineCurrent--; -			startPos = styler.LineStart(lineCurrent); -		} -	} -	int spaceFlags = 0; -	int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, IsEiffelComment); -	char chNext = styler[startPos]; -	for (int i = startPos; i < lengthDoc; i++) { -		char ch = chNext; -		chNext = styler.SafeGetCharAt(i + 1); - -		if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == lengthDoc)) { -			int lev = indentCurrent; -			int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags, IsEiffelComment); -			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, IsEiffelComment); -					if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK)) { -						lev |= SC_FOLDLEVELHEADERFLAG; -					} -				} -			} -			indentCurrent = indentNext; -			styler.SetLevel(lineCurrent, lev); -			lineCurrent++; -		} -	} -} - -static void FoldEiffelDocKeyWords(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 stylePrev = 0; -	int styleNext = styler.StyleAt(startPos); -	// lastDeferred should be determined by looking back to last keyword in case -	// the "deferred" is on a line before "class" -	bool lastDeferred = false; -	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 ((stylePrev != SCE_EIFFEL_WORD) && (style == SCE_EIFFEL_WORD)) { -			char s[20]; -			unsigned int j = 0; -			while ((j < (sizeof(s) - 1)) && (iswordchar(styler[i + j]))) { -				s[j] = styler[i + j]; -				j++; -			} -			s[j] = '\0'; - -			if ( -				(strcmp(s, "check") == 0) || -				(strcmp(s, "debug") == 0) || -				(strcmp(s, "deferred") == 0) || -				(strcmp(s, "do") == 0) || -				(strcmp(s, "from") == 0) || -				(strcmp(s, "if") == 0) || -				(strcmp(s, "inspect") == 0) || -				(strcmp(s, "once") == 0) -			) -				levelCurrent++; -			if (!lastDeferred && (strcmp(s, "class") == 0)) -				levelCurrent++; -			if (strcmp(s, "end") == 0) -				levelCurrent--; -			lastDeferred = strcmp(s, "deferred") == 0; -		} - -		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++; -		stylePrev = style; -	} -	// 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 eiffelWordListDesc[] = { -	"Keywords", -	0 -}; - -LexerModule lmEiffel(SCLEX_EIFFEL, ColouriseEiffelDoc, "eiffel", FoldEiffelDocIndent, eiffelWordListDesc); -LexerModule lmEiffelkw(SCLEX_EIFFELKW, ColouriseEiffelDoc, "eiffelkw", FoldEiffelDocKeyWords, eiffelWordListDesc); | 
