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| author | nyamatongwe <unknown> | 2010-07-13 21:16:48 +1000 | 
|---|---|---|
| committer | nyamatongwe <unknown> | 2010-07-13 21:16:48 +1000 | 
| commit | fd7c21165bbc5200aa24ef89560a8bb40fd37255 (patch) | |
| tree | b5cdec307f1b412f0527eb826a14b806b58cf006 /src/LexTCL.cxx | |
| parent | d47313970ebf3736afffec781f2f9030fa3c8e1a (diff) | |
| download | scintilla-mirror-fd7c21165bbc5200aa24ef89560a8bb40fd37255.tar.gz | |
Moved lexers into lexers directory.
Diffstat (limited to 'src/LexTCL.cxx')
| -rw-r--r-- | src/LexTCL.cxx | 366 | 
1 files changed, 0 insertions, 366 deletions
| diff --git a/src/LexTCL.cxx b/src/LexTCL.cxx deleted file mode 100644 index 3c175de2a..000000000 --- a/src/LexTCL.cxx +++ /dev/null @@ -1,366 +0,0 @@ -// Scintilla source code edit control -/** @file LexTCL.cxx - ** Lexer for TCL language. - **/ -// Copyright 1998-2001 by Andre Arpin <arpin@kingston.net> -// 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 - -// Extended to accept accented characters -static inline bool IsAWordChar(int ch) { -	return ch >= 0x80 || -        (isalnum(ch) || ch == '_' || ch ==':' || ch=='.'); // : name space separator -} - -static inline bool IsAWordStart(int ch) { -	return ch >= 0x80 || (ch ==':' || isalpha(ch) || ch == '_'); -} - -static inline bool IsANumberChar(int ch) { -	// Not exactly following number definition (several dots are seen as OK, etc.) -	// but probably enough in most cases. -	return (ch < 0x80) && -	       (IsADigit(ch, 0x10) || toupper(ch) == 'E' || -	        ch == '.' || ch == '-' || ch == '+'); -} - -static void ColouriseTCLDoc(unsigned int startPos, int length, int , WordList *keywordlists[], Accessor &styler) { -#define  isComment(s) (s==SCE_TCL_COMMENT || s==SCE_TCL_COMMENTLINE || s==SCE_TCL_COMMENT_BOX || s==SCE_TCL_BLOCK_COMMENT) -	bool foldComment = styler.GetPropertyInt("fold.comment") != 0; -	bool commentLevel = false; -    bool subBrace = false; // substitution begin with a brace ${.....} -	enum tLineState {LS_DEFAULT, LS_OPEN_COMMENT, LS_OPEN_DOUBLE_QUOTE, LS_COMMENT_BOX, LS_MASK_STATE = 0xf,  -        LS_COMMAND_EXPECTED = 16, LS_BRACE_ONLY = 32 } lineState = LS_DEFAULT; -	bool prevSlash = false; -	int currentLevel = 0; -    bool expected = 0; -    bool subParen = 0; - -	int currentLine = styler.GetLine(startPos); -    if (currentLine > 0) -        currentLine--; -	length += startPos - styler.LineStart(currentLine); -	// make sure lines overlap -	startPos = styler.LineStart(currentLine); - -	WordList &keywords = *keywordlists[0]; -	WordList &keywords2 = *keywordlists[1]; -	WordList &keywords3 = *keywordlists[2]; -	WordList &keywords4 = *keywordlists[3]; -	WordList &keywords5 = *keywordlists[4]; -	WordList &keywords6 = *keywordlists[5]; -	WordList &keywords7 = *keywordlists[6]; -    WordList &keywords8 = *keywordlists[7]; -    WordList &keywords9 = *keywordlists[8]; - -	if (currentLine > 0) { -        int ls = styler.GetLineState(currentLine - 1); -		lineState = tLineState(ls & LS_MASK_STATE); -		expected = LS_COMMAND_EXPECTED == tLineState(ls & LS_COMMAND_EXPECTED); -        subBrace = LS_BRACE_ONLY == tLineState(ls & LS_BRACE_ONLY); -		currentLevel = styler.LevelAt(currentLine - 1) >> 17; -		commentLevel = (styler.LevelAt(currentLine - 1) >> 16) & 1; -	} else -		styler.SetLevel(0, SC_FOLDLEVELBASE | SC_FOLDLEVELHEADERFLAG); -	bool visibleChars = false; - -	int previousLevel = currentLevel; -    StyleContext sc(startPos, length, SCE_TCL_DEFAULT, styler); -	for (; ; sc.Forward()) { -next: -        if (sc.ch=='\r' && sc.chNext == '\n') // only ignore \r on PC process on the mac  -            continue; -        bool atEnd = !sc.More();  // make sure we coloured the last word -        if (lineState != LS_DEFAULT) { -            sc.SetState(SCE_TCL_DEFAULT); -            if (lineState == LS_OPEN_COMMENT) -                sc.SetState(SCE_TCL_COMMENTLINE); -            else if (lineState == LS_OPEN_DOUBLE_QUOTE) -                sc.SetState(SCE_TCL_IN_QUOTE); -            else if (lineState == LS_COMMENT_BOX && (sc.ch == '#' || (sc.ch == ' ' && sc.chNext=='#'))) -                sc.SetState(SCE_TCL_COMMENT_BOX); -            lineState = LS_DEFAULT; -        } -        if (subBrace) { // ${ overrides every thing even \ except } -            if (sc.ch == '}') { -                subBrace = false; -                sc.SetState(SCE_TCL_OPERATOR); -                sc.ForwardSetState(SCE_TCL_DEFAULT); -                goto next; -            } -            else -                sc.SetState(SCE_TCL_SUB_BRACE); -            if (!sc.atLineEnd) -                continue; -        } else if (sc.state == SCE_TCL_DEFAULT || sc.state ==SCE_TCL_OPERATOR) { -            expected &= isspacechar(static_cast<unsigned char>(sc.ch)) || IsAWordStart(sc.ch) || sc.ch =='#'; -        } else if (sc.state == SCE_TCL_SUBSTITUTION) { -            switch(sc.ch) { -            case '(': -                subParen=true; -                sc.SetState(SCE_TCL_OPERATOR); -                sc.ForwardSetState(SCE_TCL_SUBSTITUTION); -                continue; -            case ')': -                sc.SetState(SCE_TCL_OPERATOR); -                subParen=false; -                continue; -            case '$': -                continue; -            case ',': -                sc.SetState(SCE_TCL_OPERATOR); -                if (subParen) -                    sc.ForwardSetState(SCE_TCL_SUBSTITUTION); -                continue; -            default : -                // maybe spaces should be allowed ??? -                if (!IsAWordChar(sc.ch)) { // probably the code is wrong -                    sc.SetState(SCE_TCL_DEFAULT); -                    subParen = 0; -                } -                break; -            } -        } else if (isComment(sc.state)) { -        } else if (!IsAWordChar(sc.ch)) { -            if ((sc.state == SCE_TCL_IDENTIFIER && expected) ||  sc.state == SCE_TCL_MODIFIER) { -                char w[100]; -                char *s=w; -                sc.GetCurrent(w, sizeof(w)); -                if (w[strlen(w)-1]=='\r') -                    w[strlen(w)-1]=0; -                while(*s == ':') // ignore leading : like in ::set a 10 -                    ++s; -                bool quote = sc.state == SCE_TCL_IN_QUOTE; -                if (commentLevel  || expected) { -                    if (keywords.InList(s)) { -                        sc.ChangeState(quote ? SCE_TCL_WORD_IN_QUOTE : SCE_TCL_WORD); -                    } else if (keywords2.InList(s)) { -                        sc.ChangeState(quote ? SCE_TCL_WORD_IN_QUOTE : SCE_TCL_WORD2); -                    } else if (keywords3.InList(s)) { -                        sc.ChangeState(quote ? SCE_TCL_WORD_IN_QUOTE : SCE_TCL_WORD3); -                    } else if (keywords4.InList(s)) { -                        sc.ChangeState(quote ? SCE_TCL_WORD_IN_QUOTE : SCE_TCL_WORD4); -                    } else if (sc.GetRelative(-static_cast<int>(strlen(s))-1) == '{' && -                        keywords5.InList(s) && sc.ch == '}') { // {keyword} exactly no spaces -                            sc.ChangeState(SCE_TCL_EXPAND); -                    } -                    if (keywords6.InList(s)) { -                        sc.ChangeState(SCE_TCL_WORD5); -                    } else if (keywords7.InList(s)) { -                        sc.ChangeState(SCE_TCL_WORD6); -                    } else if (keywords8.InList(s)) { -                        sc.ChangeState(SCE_TCL_WORD7); -                    } else if (keywords9.InList(s)) { -                        sc.ChangeState(SCE_TCL_WORD8); -                    }  -                } -                expected = false; -                sc.SetState(quote ? SCE_TCL_IN_QUOTE : SCE_TCL_DEFAULT); -            } else if (sc.state == SCE_TCL_MODIFIER || sc.state == SCE_TCL_IDENTIFIER) { -                sc.SetState(SCE_TCL_DEFAULT); -            } -        } -		if (atEnd) -			break; -        if (sc.atLineEnd) { -            lineState = LS_DEFAULT; -			currentLine = styler.GetLine(sc.currentPos); -			if (foldComment && sc.state!=SCE_TCL_COMMENT && isComment(sc.state)) { -				if (currentLevel == 0) { -					++currentLevel; -					commentLevel = true; -				} -			} else { -				if (visibleChars && commentLevel) { -					--currentLevel; -					--previousLevel; -					commentLevel = false; -				} -			} -			int flag = 0; -			if (!visibleChars) -				flag = SC_FOLDLEVELWHITEFLAG; -			if (currentLevel > previousLevel) -				flag = SC_FOLDLEVELHEADERFLAG; -			styler.SetLevel(currentLine, flag + previousLevel + SC_FOLDLEVELBASE + (currentLevel << 17) + (commentLevel << 16)); - -			// Update the line state, so it can be seen by next line -			if (sc.state == SCE_TCL_IN_QUOTE) -				lineState = LS_OPEN_DOUBLE_QUOTE; -			else { -			     if (prevSlash) { -				    if (isComment(sc.state)) -					    lineState = LS_OPEN_COMMENT; -                } else if (sc.state == SCE_TCL_COMMENT_BOX) -                    lineState = LS_COMMENT_BOX; -			} -            styler.SetLineState(currentLine,  -                (subBrace ? LS_BRACE_ONLY : 0) | -                (expected ? LS_COMMAND_EXPECTED : 0)  | lineState); -            if (lineState == LS_COMMENT_BOX) -                sc.ForwardSetState(SCE_TCL_COMMENT_BOX); -            else if (lineState == LS_OPEN_DOUBLE_QUOTE) -                sc.ForwardSetState(SCE_TCL_IN_QUOTE); -            else -                sc.ForwardSetState(SCE_TCL_DEFAULT); -			prevSlash = false; -			previousLevel = currentLevel; -			goto next; -		} - -		if (prevSlash) { -            prevSlash = false; -            if (sc.ch == '#' && IsANumberChar(sc.chNext)) -                sc.ForwardSetState(SCE_TCL_NUMBER); -            continue; -		} -        prevSlash = sc.ch == '\\'; -        if (isComment(sc.state)) -            continue; -		if (sc.atLineStart) { -			visibleChars = false; -			if (sc.state!=SCE_TCL_IN_QUOTE && !isComment(sc.state)) -            { -				sc.SetState(SCE_TCL_DEFAULT); -                expected = IsAWordStart(sc.ch)|| isspacechar(static_cast<unsigned char>(sc.ch)); -            } -		} - -		switch (sc.state) { -		case SCE_TCL_NUMBER: -			if (!IsANumberChar(sc.ch)) -				sc.SetState(SCE_TCL_DEFAULT); -			break; -		case SCE_TCL_IN_QUOTE: -			if (sc.ch == '"') { -				sc.ForwardSetState(SCE_TCL_DEFAULT); -				visibleChars = true; // necessary if a " is the first and only character on a line -				goto next; -			} else if (sc.ch == '[' || sc.ch == ']' || sc.ch == '$') { -				sc.SetState(SCE_TCL_OPERATOR); -                expected = sc.ch == '['; -                sc.ForwardSetState(SCE_TCL_IN_QUOTE); -				goto next; -			} -            continue; -        case SCE_TCL_OPERATOR: -			sc.SetState(SCE_TCL_DEFAULT); -			break; -		} - -		if (sc.ch == '#') { -			if (visibleChars) { -                if (sc.state != SCE_TCL_IN_QUOTE && expected) -					sc.SetState(SCE_TCL_COMMENT); -			} else { -                sc.SetState(SCE_TCL_COMMENTLINE); -                if (sc.chNext == '~') -                    sc.SetState(SCE_TCL_BLOCK_COMMENT); -                if (sc.atLineStart && (sc.chNext == '#' || sc.chNext == '-')) -                        sc.SetState(SCE_TCL_COMMENT_BOX); -            } -        } - -		if (!isspacechar(static_cast<unsigned char>(sc.ch))) { -			visibleChars = true; -		} - -		if (sc.ch == '\\') { -			prevSlash = true; -			continue;		 -		} - -		// Determine if a new state should be entered. -		if (sc.state == SCE_TCL_DEFAULT) { -            if (IsAWordStart(sc.ch)) { -				sc.SetState(SCE_TCL_IDENTIFIER); -			} else if (IsADigit(sc.ch) && !IsAWordChar(sc.chPrev)) { -				sc.SetState(SCE_TCL_NUMBER); -			} else { -				switch (sc.ch) { -				case '\"': -					sc.SetState(SCE_TCL_IN_QUOTE); -					break; -				case '{': -					sc.SetState(SCE_TCL_OPERATOR); -					expected = true; -					++currentLevel; -					break; -				case '}': -					sc.SetState(SCE_TCL_OPERATOR); -					--currentLevel; -					break; -				case '[': -                    expected = true; -				case ']': -				case '(': -				case ')': -					sc.SetState(SCE_TCL_OPERATOR); -					break; -				case ';': -                    expected = true; -					break; -                case '$': -                    subParen = 0; -                    if (sc.chNext != '{') { -                        sc.SetState(SCE_TCL_SUBSTITUTION); -                    }  -                    else { -                        sc.SetState(SCE_TCL_OPERATOR);  // $ -                        sc.Forward();  // { -                        sc.ForwardSetState(SCE_TCL_SUB_BRACE); -                        subBrace = true; -                    } -                    break; -                case '#': -                    if ((isspacechar(static_cast<unsigned char>(sc.chPrev))|| -                            isoperator(static_cast<char>(sc.chPrev))) && IsADigit(sc.chNext,0x10)) -                        sc.SetState(SCE_TCL_NUMBER); -                    break; -                case '-': -                    sc.SetState(IsADigit(sc.chNext)? SCE_TCL_NUMBER: SCE_TCL_MODIFIER); -                    break; -                default: -                    if (isoperator(static_cast<char>(sc.ch))) { -                        sc.SetState(SCE_TCL_OPERATOR); -                    } -				} -			} -		} -	} -	sc.Complete(); -} - -static const char * const tclWordListDesc[] = { -            "TCL Keywords", -            "TK Keywords", -            "iTCL Keywords", -            "tkCommands", -            "expand" -            "user1", -            "user2", -            "user3", -            "user4", -            0 -        }; - -// this code supports folding in the colourizer -LexerModule lmTCL(SCLEX_TCL, ColouriseTCLDoc, "tcl", 0, tclWordListDesc); | 
