diff options
Diffstat (limited to 'src/LexEScript.cxx')
| -rw-r--r-- | src/LexEScript.cxx | 273 | 
1 files changed, 0 insertions, 273 deletions
| diff --git a/src/LexEScript.cxx b/src/LexEScript.cxx deleted file mode 100644 index 295aaec53..000000000 --- a/src/LexEScript.cxx +++ /dev/null @@ -1,273 +0,0 @@ -// Scintilla source code edit control -/** @file LexESCRIPT.cxx - ** Lexer for ESCRIPT - **/ -// Copyright 2003 by Patrizio Bekerle (patrizio@bekerle.com) - -#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) && (isalnum(ch) || ch == '.' || ch == '_'); -} - -static inline bool IsAWordStart(const int ch) { -	return (ch < 0x80) && (isalnum(ch) || ch == '_'); -} - - - -static void ColouriseESCRIPTDoc(unsigned int startPos, int length, int initStyle, WordList *keywordlists[], -                            Accessor &styler) { - -	WordList &keywords = *keywordlists[0]; -	WordList &keywords2 = *keywordlists[1]; -	WordList &keywords3 = *keywordlists[2]; - -	// Do not leak onto next line -	/*if (initStyle == SCE_ESCRIPT_STRINGEOL) -		initStyle = SCE_ESCRIPT_DEFAULT;*/ - -	StyleContext sc(startPos, length, initStyle, styler); - -	bool caseSensitive = styler.GetPropertyInt("escript.case.sensitive", 0) != 0; - -	for (; sc.More(); sc.Forward()) { - -		/*if (sc.atLineStart && (sc.state == SCE_ESCRIPT_STRING)) { -			// Prevent SCE_ESCRIPT_STRINGEOL from leaking back to previous line -			sc.SetState(SCE_ESCRIPT_STRING); -		}*/ - -		// Handle line continuation generically. -		if (sc.ch == '\\') { -			if (sc.chNext == '\n' || sc.chNext == '\r') { -				sc.Forward(); -				if (sc.ch == '\r' && sc.chNext == '\n') { -					sc.Forward(); -				} -				continue; -			} -		} - -		// Determine if the current state should terminate. -		if (sc.state == SCE_ESCRIPT_OPERATOR || sc.state == SCE_ESCRIPT_BRACE) { -			sc.SetState(SCE_ESCRIPT_DEFAULT); -		} else if (sc.state == SCE_ESCRIPT_NUMBER) { -			if (!IsADigit(sc.ch) || sc.ch != '.') { -				sc.SetState(SCE_ESCRIPT_DEFAULT); -			} -		} else if (sc.state == SCE_ESCRIPT_IDENTIFIER) { -			if (!IsAWordChar(sc.ch) || (sc.ch == '.')) { -				char s[100]; -				if (caseSensitive) { -					sc.GetCurrent(s, sizeof(s)); -				} else { -					sc.GetCurrentLowered(s, sizeof(s)); -				} - -//				sc.GetCurrentLowered(s, sizeof(s)); - -                                if (keywords.InList(s)) { -					sc.ChangeState(SCE_ESCRIPT_WORD); -				} else if (keywords2.InList(s)) { -					sc.ChangeState(SCE_ESCRIPT_WORD2); -				} else if (keywords3.InList(s)) { -					sc.ChangeState(SCE_ESCRIPT_WORD3); -                                        // sc.state = SCE_ESCRIPT_IDENTIFIER; -				} -				sc.SetState(SCE_ESCRIPT_DEFAULT); -			} -		} else if (sc.state == SCE_ESCRIPT_COMMENT) { -			if (sc.Match('*', '/')) { -				sc.Forward(); -				sc.ForwardSetState(SCE_ESCRIPT_DEFAULT); -			} -		} else if (sc.state == SCE_ESCRIPT_COMMENTDOC) { -			if (sc.Match('*', '/')) { -				sc.Forward(); -				sc.ForwardSetState(SCE_ESCRIPT_DEFAULT); -			} -		} else if (sc.state == SCE_ESCRIPT_COMMENTLINE) { -			if (sc.atLineEnd) { -				sc.SetState(SCE_ESCRIPT_DEFAULT); -			} -		} else if (sc.state == SCE_ESCRIPT_STRING) { -			if (sc.ch == '\\') { -				if (sc.chNext == '\"' || sc.chNext == '\\') { -					sc.Forward(); -				} -			} else if (sc.ch == '\"') { -				sc.ForwardSetState(SCE_ESCRIPT_DEFAULT); -			} -		} - -		// Determine if a new state should be entered. -		if (sc.state == SCE_ESCRIPT_DEFAULT) { -			if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext))) { -				sc.SetState(SCE_ESCRIPT_NUMBER); -			} else if (IsAWordStart(sc.ch) || (sc.ch == '#')) { -				sc.SetState(SCE_ESCRIPT_IDENTIFIER); -			} else if (sc.Match('/', '*')) { -				sc.SetState(SCE_ESCRIPT_COMMENT); -				sc.Forward();	// Eat the * so it isn't used for the end of the comment -			} else if (sc.Match('/', '/')) { -				sc.SetState(SCE_ESCRIPT_COMMENTLINE); -			} else if (sc.ch == '\"') { -				sc.SetState(SCE_ESCRIPT_STRING); -				//} else if (isoperator(static_cast<char>(sc.ch))) { -			} else if (sc.ch == '+' || sc.ch == '-' || sc.ch == '*' || sc.ch == '/' || sc.ch == '=' || sc.ch == '<' || sc.ch == '>' || sc.ch == '&' || sc.ch == '|' || sc.ch == '!' || sc.ch == '?' || sc.ch == ':') { -				sc.SetState(SCE_ESCRIPT_OPERATOR); -			} else if (sc.ch == '{' || sc.ch == '}') { -				sc.SetState(SCE_ESCRIPT_BRACE); -			} -		} - -	} -	sc.Complete(); -} - - -static int classifyFoldPointESCRIPT(const char* s, const char* prevWord) { -	int lev = 0; -	if (strcmp(prevWord, "end") == 0) return lev; -	if ((strcmp(prevWord, "else") == 0 && strcmp(s, "if") == 0) || strcmp(s, "elseif") == 0) -		return -1; - -        if (strcmp(s, "for") == 0 || strcmp(s, "foreach") == 0 -	    || strcmp(s, "program") == 0 || strcmp(s, "function") == 0 -	    || strcmp(s, "while") == 0 || strcmp(s, "case") == 0 -	    || strcmp(s, "if") == 0 ) { -		lev = 1; -	} else if ( strcmp(s, "endfor") == 0 || strcmp(s, "endforeach") == 0 -	    || strcmp(s, "endprogram") == 0 || strcmp(s, "endfunction") == 0 -	    || strcmp(s, "endwhile") == 0 || strcmp(s, "endcase") == 0 -	    || strcmp(s, "endif") == 0 ) { -		lev = -1; -	} - -	return lev; -} - - -static bool IsStreamCommentStyle(int style) { -	return style == SCE_ESCRIPT_COMMENT || -	       style == SCE_ESCRIPT_COMMENTDOC || -	       style == SCE_ESCRIPT_COMMENTLINE; -} - -static void FoldESCRIPTDoc(unsigned int startPos, int length, int initStyle, WordList *[], Accessor &styler) { -	//~ bool foldComment = styler.GetPropertyInt("fold.comment") != 0; -	// Do not know how to fold the comment at the moment. -	bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0; -        bool foldComment = true; -	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]; -	int styleNext = styler.StyleAt(startPos); -	int style = initStyle; - -	int lastStart = 0; -	char prevWord[32] = ""; - -	for (unsigned int i = startPos; i < endPos; i++) { -		char ch = chNext; -		chNext = styler.SafeGetCharAt(i + 1); -		int stylePrev = style; -		style = styleNext; -		styleNext = styler.StyleAt(i + 1); -		bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n'); - -             -		if (foldComment && IsStreamCommentStyle(style)) { -			if (!IsStreamCommentStyle(stylePrev)) { -				levelCurrent++; -			} else if (!IsStreamCommentStyle(styleNext) && !atEOL) { -				// Comments don't end at end of line and the next character may be unstyled. -				levelCurrent--; -			} -		} - -		if (foldComment && (style == SCE_ESCRIPT_COMMENTLINE)) { -			if ((ch == '/') && (chNext == '/')) { -				char chNext2 = styler.SafeGetCharAt(i + 2); -				if (chNext2 == '{') { -					levelCurrent++; -				} else if (chNext2 == '}') { -					levelCurrent--; -				} -			} -		} - -		if (stylePrev == SCE_ESCRIPT_DEFAULT && style == SCE_ESCRIPT_WORD3) -		{ -			// Store last word start point. -			lastStart = i; -		} - -		if (style == SCE_ESCRIPT_WORD3) { -			if(iswordchar(ch) && !iswordchar(chNext)) { -				char s[32]; -				unsigned int j; -				for(j = 0; ( j < 31 ) && ( j < i-lastStart+1 ); j++) { -					s[j] = static_cast<char>(tolower(styler[lastStart + j])); -				} -				s[j] = '\0'; -				levelCurrent += classifyFoldPointESCRIPT(s, prevWord); -				strcpy(prevWord, s); -			} -		} -		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; -			strcpy(prevWord, ""); -		} - -		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 ESCRIPTWordLists[] = { -	"Primary keywords and identifiers", -	"Intrinsic functions", -	"Extended and user defined functions", -	0, -}; - -LexerModule lmESCRIPT(SCLEX_ESCRIPT, ColouriseESCRIPTDoc, "escript", FoldESCRIPTDoc, ESCRIPTWordLists); | 
