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Diffstat (limited to 'lexers/LexEScript.cxx')
-rw-r--r-- | lexers/LexEScript.cxx | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/lexers/LexEScript.cxx b/lexers/LexEScript.cxx deleted file mode 100644 index 79f99aedd..000000000 --- a/lexers/LexEScript.cxx +++ /dev/null @@ -1,274 +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 <stdio.h> -#include <stdarg.h> -#include <assert.h> -#include <ctype.h> - -#include "ILexer.h" -#include "Scintilla.h" -#include "SciLexer.h" - -#include "WordList.h" -#include "LexAccessor.h" -#include "Accessor.h" -#include "StyleContext.h" -#include "CharacterSet.h" -#include "LexerModule.h" - -using namespace Scintilla; - - -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(Sci_PositionU startPos, Sci_Position 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(Sci_PositionU startPos, Sci_Position 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; - Sci_PositionU endPos = startPos + length; - int visibleChars = 0; - Sci_Position 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; - - Sci_Position lastStart = 0; - char prevWord[32] = ""; - - for (Sci_PositionU 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]; - Sci_PositionU 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); |