int RecogniseErrorListLine()

in ext/scintilla/lexers/LexErrorList.cxx [51:268]


int RecogniseErrorListLine(const char *lineBuffer, Sci_PositionU lengthLine, Sci_Position &startValue) {
	if (lineBuffer[0] == '>') {
		// Command or return status
		return SCE_ERR_CMD;
	} else if (lineBuffer[0] == '<') {
		// Diff removal.
		return SCE_ERR_DIFF_DELETION;
	} else if (lineBuffer[0] == '!') {
		return SCE_ERR_DIFF_CHANGED;
	} else if (lineBuffer[0] == '+') {
		if (strstart(lineBuffer, "+++ ")) {
			return SCE_ERR_DIFF_MESSAGE;
		} else {
			return SCE_ERR_DIFF_ADDITION;
		}
	} else if (lineBuffer[0] == '-') {
		if (strstart(lineBuffer, "--- ")) {
			return SCE_ERR_DIFF_MESSAGE;
		} else {
			return SCE_ERR_DIFF_DELETION;
		}
	} else if (strstart(lineBuffer, "cf90-")) {
		// Absoft Pro Fortran 90/95 v8.2 error and/or warning message
		return SCE_ERR_ABSF;
	} else if (strstart(lineBuffer, "fortcom:")) {
		// Intel Fortran Compiler v8.0 error/warning message
		return SCE_ERR_IFORT;
	} else if (strstr(lineBuffer, "File \"") && strstr(lineBuffer, ", line ")) {
		return SCE_ERR_PYTHON;
	} else if (strstr(lineBuffer, " in ") && strstr(lineBuffer, " on line ")) {
		return SCE_ERR_PHP;
	} else if ((strstart(lineBuffer, "Error ") ||
	            strstart(lineBuffer, "Warning ")) &&
	           strstr(lineBuffer, " at (") &&
	           strstr(lineBuffer, ") : ") &&
	           (strstr(lineBuffer, " at (") < strstr(lineBuffer, ") : "))) {
		// Intel Fortran Compiler error/warning message
		return SCE_ERR_IFC;
	} else if (strstart(lineBuffer, "Error ")) {
		// Borland error message
		return SCE_ERR_BORLAND;
	} else if (strstart(lineBuffer, "Warning ")) {
		// Borland warning message
		return SCE_ERR_BORLAND;
	} else if (strstr(lineBuffer, "at line ") &&
	        (strstr(lineBuffer, "at line ") < (lineBuffer + lengthLine)) &&
	           strstr(lineBuffer, "file ") &&
	           (strstr(lineBuffer, "file ") < (lineBuffer + lengthLine))) {
		// Lua 4 error message
		return SCE_ERR_LUA;
	} else if (strstr(lineBuffer, " at ") &&
	        (strstr(lineBuffer, " at ") < (lineBuffer + lengthLine)) &&
	           strstr(lineBuffer, " line ") &&
	           (strstr(lineBuffer, " line ") < (lineBuffer + lengthLine)) &&
	        (strstr(lineBuffer, " at ") + 4 < (strstr(lineBuffer, " line ")))) {
		// perl error message:
		// <message> at <file> line <line>
		return SCE_ERR_PERL;
	} else if ((lengthLine >= 6) &&
	           (memcmp(lineBuffer, "   at ", 6) == 0) &&
	           strstr(lineBuffer, ":line ")) {
		// A .NET traceback
		return SCE_ERR_NET;
	} else if (strstart(lineBuffer, "Line ") &&
	           strstr(lineBuffer, ", file ")) {
		// Essential Lahey Fortran error message
		return SCE_ERR_ELF;
	} else if (strstart(lineBuffer, "line ") &&
	           strstr(lineBuffer, " column ")) {
		// HTML tidy style: line 42 column 1
		return SCE_ERR_TIDY;
	} else if (strstart(lineBuffer, "\tat ") &&
	           strstr(lineBuffer, "(") &&
	           strstr(lineBuffer, ".java:")) {
		// Java stack back trace
		return SCE_ERR_JAVA_STACK;
	} else if (strstart(lineBuffer, "In file included from ") ||
	           strstart(lineBuffer, "                 from ")) {
		// GCC showing include path to following error
		return SCE_ERR_GCC_INCLUDED_FROM;
	} else if (strstr(lineBuffer, "warning LNK")) {
		// Microsoft linker warning:
		// {<object> : } warning LNK9999
		return SCE_ERR_MS;
	} else {
		// Look for one of the following formats:
		// GCC: <filename>:<line>:<message>
		// Microsoft: <filename>(<line>) :<message>
		// Common: <filename>(<line>): warning|error|note|remark|catastrophic|fatal
		// Common: <filename>(<line>) warning|error|note|remark|catastrophic|fatal
		// Microsoft: <filename>(<line>,<column>)<message>
		// CTags: <identifier>\t<filename>\t<message>
		// Lua 5 traceback: \t<filename>:<line>:<message>
		// Lua 5.1: <exe>: <filename>:<line>:<message>
		const bool initialTab = (lineBuffer[0] == '\t');
		bool initialColonPart = false;
		bool canBeCtags = !initialTab;	// For ctags must have an identifier with no spaces then a tab
		enum { stInitial,
			stGccStart, stGccDigit, stGccColumn, stGcc,
			stMsStart, stMsDigit, stMsBracket, stMsVc, stMsDigitComma, stMsDotNet,
			stCtagsStart, stCtagsFile, stCtagsStartString, stCtagsStringDollar, stCtags,
			stUnrecognized
		} state = stInitial;
		for (Sci_PositionU i = 0; i < lengthLine; i++) {
			const char ch = lineBuffer[i];
			char chNext = ' ';
			if ((i + 1) < lengthLine)
				chNext = lineBuffer[i + 1];
			if (state == stInitial) {
				if (ch == ':') {
					// May be GCC, or might be Lua 5 (Lua traceback same but with tab prefix)
					if ((chNext != '\\') && (chNext != '/') && (chNext != ' ')) {
						// This check is not completely accurate as may be on
						// GTK+ with a file name that includes ':'.
						state = stGccStart;
					} else if (chNext == ' ') { // indicates a Lua 5.1 error message
						initialColonPart = true;
					}
				} else if ((ch == '(') && Is1To9(chNext) && (!initialTab)) {
					// May be Microsoft
					// Check against '0' often removes phone numbers
					state = stMsStart;
				} else if ((ch == '\t') && canBeCtags) {
					// May be CTags
					state = stCtagsStart;
				} else if (ch == ' ') {
					canBeCtags = false;
				}
			} else if (state == stGccStart) {	// <filename>:
				state = ((ch == '-') || Is0To9(ch)) ? stGccDigit : stUnrecognized;
			} else if (state == stGccDigit) {	// <filename>:<line>
				if (ch == ':') {
					state = stGccColumn;	// :9.*: is GCC
					startValue = i + 1;
				} else if (!Is0To9(ch)) {
					state = stUnrecognized;
				}
			} else if (state == stGccColumn) {	// <filename>:<line>:<column>
				if (!Is0To9(ch)) {
					state = stGcc;
					if (ch == ':')
						startValue = i + 1;
					break;
				}
			} else if (state == stMsStart) {	// <filename>(
				state = Is0To9(ch) ? stMsDigit : stUnrecognized;
			} else if (state == stMsDigit) {	// <filename>(<line>
				if (ch == ',') {
					state = stMsDigitComma;
				} else if (ch == ')') {
					state = stMsBracket;
				} else if ((ch != ' ') && !Is0To9(ch)) {
					state = stUnrecognized;
				}
			} else if (state == stMsBracket) {	// <filename>(<line>)
				if ((ch == ' ') && (chNext == ':')) {
					state = stMsVc;
				} else if ((ch == ':' && chNext == ' ') || (ch == ' ')) {
					// Possibly Delphi.. don't test against chNext as it's one of the strings below.
					char word[512];
					unsigned numstep;
					if (ch == ' ')
						numstep = 1; // ch was ' ', handle as if it's a delphi errorline, only add 1 to i.
					else
						numstep = 2; // otherwise add 2.
					Sci_PositionU chPos = 0;
					for (Sci_PositionU j = i + numstep; j < lengthLine && IsAlphabetic(lineBuffer[j]) && chPos < sizeof(word) - 1; j++)
						word[chPos++] = lineBuffer[j];
					word[chPos] = 0;
					if (!CompareCaseInsensitive(word, "error") || !CompareCaseInsensitive(word, "warning") ||
						!CompareCaseInsensitive(word, "fatal") || !CompareCaseInsensitive(word, "catastrophic") ||
						!CompareCaseInsensitive(word, "note") || !CompareCaseInsensitive(word, "remark")) {
						state = stMsVc;
					} else {
						state = stUnrecognized;
					}
				} else {
					state = stUnrecognized;
				}
			} else if (state == stMsDigitComma) {	// <filename>(<line>,
				if (ch == ')') {
					state = stMsDotNet;
					break;
				} else if ((ch != ' ') && !Is0To9(ch)) {
					state = stUnrecognized;
				}
			} else if (state == stCtagsStart) {
				if (ch == '\t') {
					state = stCtagsFile;
				}
			} else if (state == stCtagsFile) {
				if ((lineBuffer[i - 1] == '\t') &&
				        ((ch == '/' && chNext == '^') || Is0To9(ch))) {
					state = stCtags;
					break;
				} else if ((ch == '/') && (chNext == '^')) {
					state = stCtagsStartString;
				}
			} else if ((state == stCtagsStartString) && ((lineBuffer[i] == '$') && (lineBuffer[i + 1] == '/'))) {
				state = stCtagsStringDollar;
				break;
			}
		}
		if (state == stGcc) {
			return initialColonPart ? SCE_ERR_LUA : SCE_ERR_GCC;
		} else if ((state == stMsVc) || (state == stMsDotNet)) {
			return SCE_ERR_MS;
		} else if ((state == stCtagsStringDollar) || (state == stCtags)) {
			return SCE_ERR_CTAG;
		} else if (initialColonPart && strstr(lineBuffer, ": warning C")) {
			// Microsoft warning without line number
			// <filename>: warning C9999
			return SCE_ERR_MS;
		} else {
			return SCE_ERR_DEFAULT;
		}
	}
}