diff options
| -rw-r--r-- | src/LexAPDL.cxx | 119 |
1 files changed, 118 insertions, 1 deletions
diff --git a/src/LexAPDL.cxx b/src/LexAPDL.cxx index ba6a77ca6..7bf597b42 100644 --- a/src/LexAPDL.cxx +++ b/src/LexAPDL.cxx @@ -126,6 +126,123 @@ static void ColouriseAPDLDoc(unsigned int startPos, int length, int initStyle, W sc.Complete(); } +//------------------------------------------------------------------------------ +// 06-27-07 Sergio Lucato +// - Included code folding for Ansys APDL lexer +// - Copyied from LexBasic.cxx and modified for APDL +//------------------------------------------------------------------------------ + +/* Bits: + * 1 - whitespace + * 2 - operator + * 4 - identifier + * 8 - decimal digit + * 16 - hex digit + * 32 - bin digit + */ +static int character_classification[128] = +{ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 2, 0, 2, 2, 2, 2, 2, 2, 2, 6, 2, 2, 2, 10, 6, + 60, 60, 28, 28, 28, 28, 28, 28, 28, 28, 2, 2, 2, 2, 2, 2, + 2, 20, 20, 20, 20, 20, 20, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 4, + 2, 20, 20, 20, 20, 20, 20, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 0 +}; + +static bool IsSpace(int c) { + return c < 128 && (character_classification[c] & 1); +} + +static bool IsIdentifier(int c) { + return c < 128 && (character_classification[c] & 4); +} + +static int LowerCase(int c) +{ + if (c >= 'A' && c <= 'Z') + return 'a' + c - 'A'; + return c; +} + +static int CheckAPDLFoldPoint(char const *token, int &level) { + if (!strcmp(token, "*if") || + !strcmp(token, "*do") || + !strcmp(token, "*dowhile") ) { + level |= SC_FOLDLEVELHEADERFLAG; + return 1; + } + if (!strcmp(token, "*endif") || + !strcmp(token, "*enddo") ) { + return -1; + } + return 0; +} + +static void FoldAPDLDoc(unsigned int startPos, int length, int, + WordList *[], Accessor &styler) { + + int line = styler.GetLine(startPos); + int level = styler.LevelAt(line); + int go = 0, done = 0; + int endPos = startPos + length; + char word[256]; + int wordlen = 0; + int i; + bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0; + // Scan for tokens at the start of the line (they may include + // whitespace, for tokens like "End Function" + for (i = startPos; i < endPos; i++) { + int c = styler.SafeGetCharAt(i); + if (!done && !go) { + if (wordlen) { // are we scanning a token already? + word[wordlen] = static_cast<char>(LowerCase(c)); + if (!IsIdentifier(c)) { // done with token + word[wordlen] = '\0'; + go = CheckAPDLFoldPoint(word, level); + if (!go) { + // Treat any whitespace as single blank, for + // things like "End Function". + if (IsSpace(c) && IsIdentifier(word[wordlen - 1])) { + word[wordlen] = ' '; + if (wordlen < 255) + wordlen++; + } + else // done with this line + done = 1; + } + } else if (wordlen < 255) { + wordlen++; + } + } else { // start scanning at first non-whitespace character + if (!IsSpace(c)) { + if (IsIdentifier(c)) { + word[0] = static_cast<char>(LowerCase(c)); + wordlen = 1; + } else // done with this line + done = 1; + } + } + } + if (c == '\n') { // line end + if (!done && wordlen == 0 && foldCompact) // line was only space + level |= SC_FOLDLEVELWHITEFLAG; + if (level != styler.LevelAt(line)) + styler.SetLevel(line, level); + level += go; + line++; + // reset state + wordlen = 0; + level &= ~SC_FOLDLEVELHEADERFLAG; + level &= ~SC_FOLDLEVELWHITEFLAG; + go = 0; + done = 0; + } + } +} + static const char * const apdlWordListDesc[] = { "processors", "commands", @@ -136,4 +253,4 @@ static const char * const apdlWordListDesc[] = { 0 }; -LexerModule lmAPDL(SCLEX_APDL, ColouriseAPDLDoc, "apdl", 0, apdlWordListDesc); +LexerModule lmAPDL(SCLEX_APDL, ColouriseAPDLDoc, "apdl", FoldAPDLDoc, apdlWordListDesc); |