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393 lines
13 KiB
393 lines
13 KiB
// Scintilla source code edit control
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/** @file LexErrorList.cxx
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** Lexer for error lists. Used for the output pane in SciTE.
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**/
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// Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
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// The License.txt file describes the conditions under which this software may be distributed.
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <assert.h>
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#include <ctype.h>
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#include "ILexer.h"
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#include "Scintilla.h"
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#include "SciLexer.h"
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#include "WordList.h"
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#include "LexAccessor.h"
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#include "Accessor.h"
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#include "StyleContext.h"
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#include "CharacterSet.h"
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#include "LexerModule.h"
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using namespace Scintilla;
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namespace {
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bool strstart(const char *haystack, const char *needle) noexcept {
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return strncmp(haystack, needle, strlen(needle)) == 0;
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}
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constexpr bool Is0To9(char ch) noexcept {
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return (ch >= '0') && (ch <= '9');
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}
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constexpr bool Is1To9(char ch) noexcept {
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return (ch >= '1') && (ch <= '9');
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}
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bool IsAlphabetic(int ch) {
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return IsASCII(ch) && isalpha(ch);
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}
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inline bool AtEOL(Accessor &styler, Sci_PositionU i) {
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return (styler[i] == '\n') ||
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((styler[i] == '\r') && (styler.SafeGetCharAt(i + 1) != '\n'));
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}
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int RecogniseErrorListLine(const char *lineBuffer, Sci_PositionU lengthLine, Sci_Position &startValue) {
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if (lineBuffer[0] == '>') {
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// Command or return status
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return SCE_ERR_CMD;
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} else if (lineBuffer[0] == '<') {
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// Diff removal.
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return SCE_ERR_DIFF_DELETION;
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} else if (lineBuffer[0] == '!') {
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return SCE_ERR_DIFF_CHANGED;
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} else if (lineBuffer[0] == '+') {
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if (strstart(lineBuffer, "+++ ")) {
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return SCE_ERR_DIFF_MESSAGE;
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} else {
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return SCE_ERR_DIFF_ADDITION;
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}
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} else if (lineBuffer[0] == '-') {
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if (strstart(lineBuffer, "--- ")) {
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return SCE_ERR_DIFF_MESSAGE;
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} else {
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return SCE_ERR_DIFF_DELETION;
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}
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} else if (strstart(lineBuffer, "cf90-")) {
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// Absoft Pro Fortran 90/95 v8.2 error and/or warning message
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return SCE_ERR_ABSF;
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} else if (strstart(lineBuffer, "fortcom:")) {
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// Intel Fortran Compiler v8.0 error/warning message
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return SCE_ERR_IFORT;
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} else if (strstr(lineBuffer, "File \"") && strstr(lineBuffer, ", line ")) {
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return SCE_ERR_PYTHON;
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} else if (strstr(lineBuffer, " in ") && strstr(lineBuffer, " on line ")) {
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return SCE_ERR_PHP;
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} else if ((strstart(lineBuffer, "Error ") ||
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strstart(lineBuffer, "Warning ")) &&
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strstr(lineBuffer, " at (") &&
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strstr(lineBuffer, ") : ") &&
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(strstr(lineBuffer, " at (") < strstr(lineBuffer, ") : "))) {
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// Intel Fortran Compiler error/warning message
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return SCE_ERR_IFC;
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} else if (strstart(lineBuffer, "Error ")) {
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// Borland error message
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return SCE_ERR_BORLAND;
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} else if (strstart(lineBuffer, "Warning ")) {
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// Borland warning message
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return SCE_ERR_BORLAND;
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} else if (strstr(lineBuffer, "at line ") &&
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(strstr(lineBuffer, "at line ") < (lineBuffer + lengthLine)) &&
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strstr(lineBuffer, "file ") &&
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(strstr(lineBuffer, "file ") < (lineBuffer + lengthLine))) {
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// Lua 4 error message
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return SCE_ERR_LUA;
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} else if (strstr(lineBuffer, " at ") &&
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(strstr(lineBuffer, " at ") < (lineBuffer + lengthLine)) &&
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strstr(lineBuffer, " line ") &&
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(strstr(lineBuffer, " line ") < (lineBuffer + lengthLine)) &&
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(strstr(lineBuffer, " at ") + 4 < (strstr(lineBuffer, " line ")))) {
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// perl error message:
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// <message> at <file> line <line>
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return SCE_ERR_PERL;
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} else if ((lengthLine >= 6) &&
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(memcmp(lineBuffer, " at ", 6) == 0) &&
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strstr(lineBuffer, ":line ")) {
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// A .NET traceback
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return SCE_ERR_NET;
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} else if (strstart(lineBuffer, "Line ") &&
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strstr(lineBuffer, ", file ")) {
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// Essential Lahey Fortran error message
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return SCE_ERR_ELF;
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} else if (strstart(lineBuffer, "line ") &&
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strstr(lineBuffer, " column ")) {
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// HTML tidy style: line 42 column 1
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return SCE_ERR_TIDY;
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} else if (strstart(lineBuffer, "\tat ") &&
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strstr(lineBuffer, "(") &&
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strstr(lineBuffer, ".java:")) {
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// Java stack back trace
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return SCE_ERR_JAVA_STACK;
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} else if (strstart(lineBuffer, "In file included from ") ||
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strstart(lineBuffer, " from ")) {
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// GCC showing include path to following error
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return SCE_ERR_GCC_INCLUDED_FROM;
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} else if (strstr(lineBuffer, "warning LNK")) {
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// Microsoft linker warning:
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// {<object> : } warning LNK9999
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return SCE_ERR_MS;
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} else {
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// Look for one of the following formats:
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// GCC: <filename>:<line>:<message>
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// Microsoft: <filename>(<line>) :<message>
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// Common: <filename>(<line>): warning|error|note|remark|catastrophic|fatal
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// Common: <filename>(<line>) warning|error|note|remark|catastrophic|fatal
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// Microsoft: <filename>(<line>,<column>)<message>
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// CTags: <identifier>\t<filename>\t<message>
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// Lua 5 traceback: \t<filename>:<line>:<message>
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// Lua 5.1: <exe>: <filename>:<line>:<message>
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const bool initialTab = (lineBuffer[0] == '\t');
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bool initialColonPart = false;
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bool canBeCtags = !initialTab; // For ctags must have an identifier with no spaces then a tab
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enum { stInitial,
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stGccStart, stGccDigit, stGccColumn, stGcc,
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stMsStart, stMsDigit, stMsBracket, stMsVc, stMsDigitComma, stMsDotNet,
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stCtagsStart, stCtagsFile, stCtagsStartString, stCtagsStringDollar, stCtags,
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stUnrecognized
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} state = stInitial;
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for (Sci_PositionU i = 0; i < lengthLine; i++) {
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const char ch = lineBuffer[i];
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char chNext = ' ';
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if ((i + 1) < lengthLine)
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chNext = lineBuffer[i + 1];
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if (state == stInitial) {
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if (ch == ':') {
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// May be GCC, or might be Lua 5 (Lua traceback same but with tab prefix)
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if ((chNext != '\\') && (chNext != '/') && (chNext != ' ')) {
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// This check is not completely accurate as may be on
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// GTK+ with a file name that includes ':'.
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state = stGccStart;
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} else if (chNext == ' ') { // indicates a Lua 5.1 error message
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initialColonPart = true;
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}
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} else if ((ch == '(') && Is1To9(chNext) && (!initialTab)) {
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// May be Microsoft
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// Check against '0' often removes phone numbers
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state = stMsStart;
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} else if ((ch == '\t') && canBeCtags) {
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// May be CTags
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state = stCtagsStart;
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} else if (ch == ' ') {
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canBeCtags = false;
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}
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} else if (state == stGccStart) { // <filename>:
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state = ((ch == '-') || Is0To9(ch)) ? stGccDigit : stUnrecognized;
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} else if (state == stGccDigit) { // <filename>:<line>
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if (ch == ':') {
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state = stGccColumn; // :9.*: is GCC
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startValue = i + 1;
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} else if (!Is0To9(ch)) {
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state = stUnrecognized;
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}
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} else if (state == stGccColumn) { // <filename>:<line>:<column>
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if (!Is0To9(ch)) {
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state = stGcc;
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if (ch == ':')
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startValue = i + 1;
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break;
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}
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} else if (state == stMsStart) { // <filename>(
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state = Is0To9(ch) ? stMsDigit : stUnrecognized;
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} else if (state == stMsDigit) { // <filename>(<line>
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if (ch == ',') {
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state = stMsDigitComma;
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} else if (ch == ')') {
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state = stMsBracket;
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} else if ((ch != ' ') && !Is0To9(ch)) {
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state = stUnrecognized;
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}
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} else if (state == stMsBracket) { // <filename>(<line>)
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if ((ch == ' ') && (chNext == ':')) {
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state = stMsVc;
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} else if ((ch == ':' && chNext == ' ') || (ch == ' ')) {
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// Possibly Delphi.. don't test against chNext as it's one of the strings below.
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char word[512];
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unsigned numstep;
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if (ch == ' ')
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numstep = 1; // ch was ' ', handle as if it's a delphi errorline, only add 1 to i.
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else
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numstep = 2; // otherwise add 2.
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Sci_PositionU chPos = 0;
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for (Sci_PositionU j = i + numstep; j < lengthLine && IsAlphabetic(lineBuffer[j]) && chPos < sizeof(word) - 1; j++)
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word[chPos++] = lineBuffer[j];
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word[chPos] = 0;
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if (!CompareCaseInsensitive(word, "error") || !CompareCaseInsensitive(word, "warning") ||
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!CompareCaseInsensitive(word, "fatal") || !CompareCaseInsensitive(word, "catastrophic") ||
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!CompareCaseInsensitive(word, "note") || !CompareCaseInsensitive(word, "remark")) {
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state = stMsVc;
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} else {
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state = stUnrecognized;
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}
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} else {
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state = stUnrecognized;
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}
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} else if (state == stMsDigitComma) { // <filename>(<line>,
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if (ch == ')') {
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state = stMsDotNet;
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break;
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} else if ((ch != ' ') && !Is0To9(ch)) {
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state = stUnrecognized;
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}
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} else if (state == stCtagsStart) {
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if (ch == '\t') {
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state = stCtagsFile;
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}
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} else if (state == stCtagsFile) {
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if ((lineBuffer[i - 1] == '\t') &&
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((ch == '/' && chNext == '^') || Is0To9(ch))) {
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state = stCtags;
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break;
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} else if ((ch == '/') && (chNext == '^')) {
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state = stCtagsStartString;
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}
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} else if ((state == stCtagsStartString) && ((lineBuffer[i] == '$') && (lineBuffer[i + 1] == '/'))) {
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state = stCtagsStringDollar;
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break;
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}
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}
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if (state == stGcc) {
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return initialColonPart ? SCE_ERR_LUA : SCE_ERR_GCC;
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} else if ((state == stMsVc) || (state == stMsDotNet)) {
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return SCE_ERR_MS;
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} else if ((state == stCtagsStringDollar) || (state == stCtags)) {
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return SCE_ERR_CTAG;
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} else if (initialColonPart && strstr(lineBuffer, ": warning C")) {
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// Microsoft warning without line number
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// <filename>: warning C9999
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return SCE_ERR_MS;
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} else {
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return SCE_ERR_DEFAULT;
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}
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}
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}
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#define CSI "\033["
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constexpr bool SequenceEnd(int ch) noexcept {
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return (ch == 0) || ((ch >= '@') && (ch <= '~'));
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}
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int StyleFromSequence(const char *seq) noexcept {
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int bold = 0;
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int colour = 0;
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while (!SequenceEnd(*seq)) {
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if (Is0To9(*seq)) {
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int base = *seq - '0';
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if (Is0To9(seq[1])) {
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base = base * 10;
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base += seq[1] - '0';
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seq++;
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}
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if (base == 0) {
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colour = 0;
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bold = 0;
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}
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else if (base == 1) {
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bold = 1;
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}
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else if (base >= 30 && base <= 37) {
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colour = base - 30;
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}
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}
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seq++;
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}
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return SCE_ERR_ES_BLACK + bold * 8 + colour;
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}
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void ColouriseErrorListLine(
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char *lineBuffer,
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Sci_PositionU lengthLine,
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Sci_PositionU endPos,
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Accessor &styler,
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bool valueSeparate,
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bool escapeSequences) {
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Sci_Position startValue = -1;
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const int style = RecogniseErrorListLine(lineBuffer, lengthLine, startValue);
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if (escapeSequences && strstr(lineBuffer, CSI)) {
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const Sci_Position startPos = endPos - lengthLine;
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const char *linePortion = lineBuffer;
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Sci_Position startPortion = startPos;
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int portionStyle = style;
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while (const char *startSeq = strstr(linePortion, CSI)) {
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if (startSeq > linePortion) {
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styler.ColourTo(startPortion + static_cast<int>(startSeq - linePortion), portionStyle);
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}
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const char *endSeq = startSeq + 2;
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while (!SequenceEnd(*endSeq))
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endSeq++;
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const Sci_Position endSeqPosition = startPortion + static_cast<Sci_Position>(endSeq - linePortion) + 1;
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switch (*endSeq) {
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case 0:
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styler.ColourTo(endPos, SCE_ERR_ESCSEQ_UNKNOWN);
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return;
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case 'm': // Colour command
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styler.ColourTo(endSeqPosition, SCE_ERR_ESCSEQ);
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portionStyle = StyleFromSequence(startSeq+2);
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break;
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case 'K': // Erase to end of line -> ignore
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styler.ColourTo(endSeqPosition, SCE_ERR_ESCSEQ);
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break;
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default:
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styler.ColourTo(endSeqPosition, SCE_ERR_ESCSEQ_UNKNOWN);
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portionStyle = style;
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}
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startPortion = endSeqPosition;
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linePortion = endSeq + 1;
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}
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styler.ColourTo(endPos, portionStyle);
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} else {
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if (valueSeparate && (startValue >= 0)) {
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styler.ColourTo(endPos - (lengthLine - startValue), style);
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styler.ColourTo(endPos, SCE_ERR_VALUE);
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} else {
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styler.ColourTo(endPos, style);
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}
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}
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}
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void ColouriseErrorListDoc(Sci_PositionU startPos, Sci_Position length, int, WordList *[], Accessor &styler) {
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char lineBuffer[10000];
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styler.StartAt(startPos);
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styler.StartSegment(startPos);
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Sci_PositionU linePos = 0;
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// property lexer.errorlist.value.separate
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// For lines in the output pane that are matches from Find in Files or GCC-style
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// diagnostics, style the path and line number separately from the rest of the
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// line with style 21 used for the rest of the line.
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// This allows matched text to be more easily distinguished from its location.
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const bool valueSeparate = styler.GetPropertyInt("lexer.errorlist.value.separate", 0) != 0;
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// property lexer.errorlist.escape.sequences
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// Set to 1 to interpret escape sequences.
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const bool escapeSequences = styler.GetPropertyInt("lexer.errorlist.escape.sequences") != 0;
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for (Sci_PositionU i = startPos; i < startPos + length; i++) {
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lineBuffer[linePos++] = styler[i];
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if (AtEOL(styler, i) || (linePos >= sizeof(lineBuffer) - 1)) {
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// End of line (or of line buffer) met, colourise it
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lineBuffer[linePos] = '\0';
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ColouriseErrorListLine(lineBuffer, linePos, i, styler, valueSeparate, escapeSequences);
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linePos = 0;
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}
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}
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if (linePos > 0) { // Last line does not have ending characters
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lineBuffer[linePos] = '\0';
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ColouriseErrorListLine(lineBuffer, linePos, startPos + length - 1, styler, valueSeparate, escapeSequences);
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}
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}
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const char *const emptyWordListDesc[] = {
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nullptr
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};
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}
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LexerModule lmErrorList(SCLEX_ERRORLIST, ColouriseErrorListDoc, "errorlist", 0, emptyWordListDesc);
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