diff options
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); |