in ext/scintilla/lexers/LexCPP.cxx [764:1419]
void SCI_METHOD LexerCPP::Lex(Sci_PositionU startPos, Sci_Position length, int initStyle, IDocument *pAccess) {
LexAccessor styler(pAccess);
CharacterSet setOKBeforeRE(CharacterSet::setNone, "([{=,:;!%^&*|?~+-");
CharacterSet setCouldBePostOp(CharacterSet::setNone, "+-");
CharacterSet setDoxygen(CharacterSet::setAlpha, "$@\\&<>#{}[]");
setWordStart = CharacterSet(CharacterSet::setAlpha, "_", 0x80, true);
CharacterSet setInvalidRawFirst(CharacterSet::setNone, " )\\\t\v\f\n");
if (options.identifiersAllowDollars) {
setWordStart.Add('$');
}
int chPrevNonWhite = ' ';
int visibleChars = 0;
bool lastWordWasUUID = false;
int styleBeforeDCKeyword = SCE_C_DEFAULT;
int styleBeforeTaskMarker = SCE_C_DEFAULT;
bool continuationLine = false;
bool isIncludePreprocessor = false;
bool isStringInPreprocessor = false;
bool inRERange = false;
bool seenDocKeyBrace = false;
Sci_Position lineCurrent = styler.GetLine(startPos);
if ((MaskActive(initStyle) == SCE_C_PREPROCESSOR) ||
(MaskActive(initStyle) == SCE_C_COMMENTLINE) ||
(MaskActive(initStyle) == SCE_C_COMMENTLINEDOC)) {
// Set continuationLine if last character of previous line is '\'
if (lineCurrent > 0) {
const Sci_Position endLinePrevious = styler.LineEnd(lineCurrent - 1);
if (endLinePrevious > 0) {
continuationLine = styler.SafeGetCharAt(endLinePrevious-1) == '\\';
}
}
}
// look back to set chPrevNonWhite properly for better regex colouring
if (startPos > 0) {
Sci_Position back = startPos;
while (--back && IsSpaceEquiv(MaskActive(styler.StyleAt(back))))
;
if (MaskActive(styler.StyleAt(back)) == SCE_C_OPERATOR) {
chPrevNonWhite = styler.SafeGetCharAt(back);
}
}
StyleContext sc(startPos, length, initStyle, styler);
LinePPState preproc = vlls.ForLine(lineCurrent);
bool definitionsChanged = false;
// Truncate ppDefineHistory before current line
if (!options.updatePreprocessor)
ppDefineHistory.clear();
std::vector<PPDefinition>::iterator itInvalid = std::find_if(ppDefineHistory.begin(), ppDefineHistory.end(),
[lineCurrent](const PPDefinition &p) { return p.line >= lineCurrent; });
if (itInvalid != ppDefineHistory.end()) {
ppDefineHistory.erase(itInvalid, ppDefineHistory.end());
definitionsChanged = true;
}
SymbolTable preprocessorDefinitions = preprocessorDefinitionsStart;
for (const PPDefinition &ppDef : ppDefineHistory) {
if (ppDef.isUndef)
preprocessorDefinitions.erase(ppDef.key);
else
preprocessorDefinitions[ppDef.key] = SymbolValue(ppDef.value, ppDef.arguments);
}
std::string rawStringTerminator = rawStringTerminators.ValueAt(lineCurrent-1);
SparseState<std::string> rawSTNew(lineCurrent);
int activitySet = preproc.ActiveState();
const WordClassifier &classifierIdentifiers = subStyles.Classifier(SCE_C_IDENTIFIER);
const WordClassifier &classifierDocKeyWords = subStyles.Classifier(SCE_C_COMMENTDOCKEYWORD);
Sci_PositionU lineEndNext = styler.LineEnd(lineCurrent);
for (; sc.More();) {
if (sc.atLineStart) {
// Using MaskActive() is not needed in the following statement.
// Inside inactive preprocessor declaration, state will be reset anyway at the end of this block.
if ((sc.state == SCE_C_STRING) || (sc.state == SCE_C_CHARACTER)) {
// Prevent SCE_C_STRINGEOL from leaking back to previous line which
// ends with a line continuation by locking in the state up to this position.
sc.SetState(sc.state);
}
if ((MaskActive(sc.state) == SCE_C_PREPROCESSOR) && (!continuationLine)) {
sc.SetState(SCE_C_DEFAULT|activitySet);
}
// Reset states to beginning of colourise so no surprises
// if different sets of lines lexed.
visibleChars = 0;
lastWordWasUUID = false;
isIncludePreprocessor = false;
inRERange = false;
if (preproc.IsInactive()) {
activitySet = inactiveFlag;
sc.SetState(sc.state | activitySet);
}
}
if (sc.atLineEnd) {
lineCurrent++;
lineEndNext = styler.LineEnd(lineCurrent);
vlls.Add(lineCurrent, preproc);
if (rawStringTerminator != "") {
rawSTNew.Set(lineCurrent-1, rawStringTerminator);
}
}
// Handle line continuation generically.
if (sc.ch == '\\') {
if ((sc.currentPos+1) >= lineEndNext) {
lineCurrent++;
lineEndNext = styler.LineEnd(lineCurrent);
vlls.Add(lineCurrent, preproc);
if (rawStringTerminator != "") {
rawSTNew.Set(lineCurrent-1, rawStringTerminator);
}
sc.Forward();
if (sc.ch == '\r' && sc.chNext == '\n') {
// Even in UTF-8, \r and \n are separate
sc.Forward();
}
continuationLine = true;
sc.Forward();
continue;
}
}
const bool atLineEndBeforeSwitch = sc.atLineEnd;
// Determine if the current state should terminate.
switch (MaskActive(sc.state)) {
case SCE_C_OPERATOR:
sc.SetState(SCE_C_DEFAULT|activitySet);
break;
case SCE_C_NUMBER:
// We accept almost anything because of hex. and number suffixes
if (sc.ch == '_') {
sc.ChangeState(SCE_C_USERLITERAL|activitySet);
} else if (!(setWord.Contains(sc.ch)
|| (sc.ch == '\'')
|| ((sc.ch == '+' || sc.ch == '-') && (sc.chPrev == 'e' || sc.chPrev == 'E' ||
sc.chPrev == 'p' || sc.chPrev == 'P')))) {
sc.SetState(SCE_C_DEFAULT|activitySet);
}
break;
case SCE_C_USERLITERAL:
if (!(setWord.Contains(sc.ch)))
sc.SetState(SCE_C_DEFAULT|activitySet);
break;
case SCE_C_IDENTIFIER:
if (sc.atLineStart || sc.atLineEnd || !setWord.Contains(sc.ch) || (sc.ch == '.')) {
char s[1000];
if (caseSensitive) {
sc.GetCurrent(s, sizeof(s));
} else {
sc.GetCurrentLowered(s, sizeof(s));
}
if (keywords.InList(s)) {
lastWordWasUUID = strcmp(s, "uuid") == 0;
sc.ChangeState(SCE_C_WORD|activitySet);
} else if (keywords2.InList(s)) {
sc.ChangeState(SCE_C_WORD2|activitySet);
} else if (keywords4.InList(s)) {
sc.ChangeState(SCE_C_GLOBALCLASS|activitySet);
} else {
int subStyle = classifierIdentifiers.ValueFor(s);
if (subStyle >= 0) {
sc.ChangeState(subStyle|activitySet);
}
}
const bool literalString = sc.ch == '\"';
if (literalString || sc.ch == '\'') {
size_t lenS = strlen(s);
const bool raw = literalString && sc.chPrev == 'R' && !setInvalidRawFirst.Contains(sc.chNext);
if (raw)
s[lenS--] = '\0';
const bool valid =
(lenS == 0) ||
((lenS == 1) && ((s[0] == 'L') || (s[0] == 'u') || (s[0] == 'U'))) ||
((lenS == 2) && literalString && (s[0] == 'u') && (s[1] == '8'));
if (valid) {
if (literalString) {
if (raw) {
// Set the style of the string prefix to SCE_C_STRINGRAW but then change to
// SCE_C_DEFAULT as that allows the raw string start code to run.
sc.ChangeState(SCE_C_STRINGRAW|activitySet);
sc.SetState(SCE_C_DEFAULT|activitySet);
} else {
sc.ChangeState(SCE_C_STRING|activitySet);
}
} else {
sc.ChangeState(SCE_C_CHARACTER|activitySet);
}
} else {
sc.SetState(SCE_C_DEFAULT | activitySet);
}
} else {
sc.SetState(SCE_C_DEFAULT|activitySet);
}
}
break;
case SCE_C_PREPROCESSOR:
if (options.stylingWithinPreprocessor) {
if (IsASpace(sc.ch) || (sc.ch == '(')) {
sc.SetState(SCE_C_DEFAULT|activitySet);
}
} else if (isStringInPreprocessor && (sc.Match('>') || sc.Match('\"') || sc.atLineEnd)) {
isStringInPreprocessor = false;
} else if (!isStringInPreprocessor) {
if ((isIncludePreprocessor && sc.Match('<')) || sc.Match('\"')) {
isStringInPreprocessor = true;
} else if (sc.Match('/', '*')) {
if (sc.Match("/**") || sc.Match("/*!")) {
sc.SetState(SCE_C_PREPROCESSORCOMMENTDOC|activitySet);
} else {
sc.SetState(SCE_C_PREPROCESSORCOMMENT|activitySet);
}
sc.Forward(); // Eat the *
} else if (sc.Match('/', '/')) {
sc.SetState(SCE_C_DEFAULT|activitySet);
}
}
break;
case SCE_C_PREPROCESSORCOMMENT:
case SCE_C_PREPROCESSORCOMMENTDOC:
if (sc.Match('*', '/')) {
sc.Forward();
sc.ForwardSetState(SCE_C_PREPROCESSOR|activitySet);
continue; // Without advancing in case of '\'.
}
break;
case SCE_C_COMMENT:
if (sc.Match('*', '/')) {
sc.Forward();
sc.ForwardSetState(SCE_C_DEFAULT|activitySet);
} else {
styleBeforeTaskMarker = SCE_C_COMMENT;
highlightTaskMarker(sc, styler, activitySet, markerList, caseSensitive);
}
break;
case SCE_C_COMMENTDOC:
if (sc.Match('*', '/')) {
sc.Forward();
sc.ForwardSetState(SCE_C_DEFAULT|activitySet);
} else if (sc.ch == '@' || sc.ch == '\\') { // JavaDoc and Doxygen support
// Verify that we have the conditions to mark a comment-doc-keyword
if ((IsASpace(sc.chPrev) || sc.chPrev == '*') && (!IsASpace(sc.chNext))) {
styleBeforeDCKeyword = SCE_C_COMMENTDOC;
sc.SetState(SCE_C_COMMENTDOCKEYWORD|activitySet);
}
}
break;
case SCE_C_COMMENTLINE:
if (sc.atLineStart && !continuationLine) {
sc.SetState(SCE_C_DEFAULT|activitySet);
} else {
styleBeforeTaskMarker = SCE_C_COMMENTLINE;
highlightTaskMarker(sc, styler, activitySet, markerList, caseSensitive);
}
break;
case SCE_C_COMMENTLINEDOC:
if (sc.atLineStart && !continuationLine) {
sc.SetState(SCE_C_DEFAULT|activitySet);
} else if (sc.ch == '@' || sc.ch == '\\') { // JavaDoc and Doxygen support
// Verify that we have the conditions to mark a comment-doc-keyword
if ((IsASpace(sc.chPrev) || sc.chPrev == '/' || sc.chPrev == '!') && (!IsASpace(sc.chNext))) {
styleBeforeDCKeyword = SCE_C_COMMENTLINEDOC;
sc.SetState(SCE_C_COMMENTDOCKEYWORD|activitySet);
}
}
break;
case SCE_C_COMMENTDOCKEYWORD:
if ((styleBeforeDCKeyword == SCE_C_COMMENTDOC) && sc.Match('*', '/')) {
sc.ChangeState(SCE_C_COMMENTDOCKEYWORDERROR);
sc.Forward();
sc.ForwardSetState(SCE_C_DEFAULT|activitySet);
seenDocKeyBrace = false;
} else if (sc.ch == '[' || sc.ch == '{') {
seenDocKeyBrace = true;
} else if (!setDoxygen.Contains(sc.ch)
&& !(seenDocKeyBrace && (sc.ch == ',' || sc.ch == '.'))) {
char s[100];
if (caseSensitive) {
sc.GetCurrent(s, sizeof(s));
} else {
sc.GetCurrentLowered(s, sizeof(s));
}
if (!(IsASpace(sc.ch) || (sc.ch == 0))) {
sc.ChangeState(SCE_C_COMMENTDOCKEYWORDERROR|activitySet);
} else if (!keywords3.InList(s + 1)) {
int subStyleCDKW = classifierDocKeyWords.ValueFor(s+1);
if (subStyleCDKW >= 0) {
sc.ChangeState(subStyleCDKW|activitySet);
} else {
sc.ChangeState(SCE_C_COMMENTDOCKEYWORDERROR|activitySet);
}
}
sc.SetState(styleBeforeDCKeyword|activitySet);
seenDocKeyBrace = false;
}
break;
case SCE_C_STRING:
if (sc.atLineEnd) {
sc.ChangeState(SCE_C_STRINGEOL|activitySet);
} else if (isIncludePreprocessor) {
if (sc.ch == '>') {
sc.ForwardSetState(SCE_C_DEFAULT|activitySet);
isIncludePreprocessor = false;
}
} else if (sc.ch == '\\') {
if (options.escapeSequence) {
sc.SetState(SCE_C_ESCAPESEQUENCE|activitySet);
escapeSeq.resetEscapeState(sc.chNext);
}
sc.Forward(); // Skip all characters after the backslash
} else if (sc.ch == '\"') {
if (sc.chNext == '_') {
sc.ChangeState(SCE_C_USERLITERAL|activitySet);
} else {
sc.ForwardSetState(SCE_C_DEFAULT|activitySet);
}
}
break;
case SCE_C_ESCAPESEQUENCE:
escapeSeq.digitsLeft--;
if (!escapeSeq.atEscapeEnd(sc.ch)) {
break;
}
if (sc.ch == '"') {
sc.SetState(SCE_C_STRING|activitySet);
sc.ForwardSetState(SCE_C_DEFAULT|activitySet);
} else if (sc.ch == '\\') {
escapeSeq.resetEscapeState(sc.chNext);
sc.Forward();
} else {
sc.SetState(SCE_C_STRING|activitySet);
if (sc.atLineEnd) {
sc.ChangeState(SCE_C_STRINGEOL|activitySet);
}
}
break;
case SCE_C_HASHQUOTEDSTRING:
if (sc.ch == '\\') {
if (sc.chNext == '\"' || sc.chNext == '\'' || sc.chNext == '\\') {
sc.Forward();
}
} else if (sc.ch == '\"') {
sc.ForwardSetState(SCE_C_DEFAULT|activitySet);
}
break;
case SCE_C_STRINGRAW:
if (sc.Match(rawStringTerminator.c_str())) {
for (size_t termPos=rawStringTerminator.size(); termPos; termPos--)
sc.Forward();
sc.SetState(SCE_C_DEFAULT|activitySet);
rawStringTerminator = "";
}
break;
case SCE_C_CHARACTER:
if (sc.atLineEnd) {
sc.ChangeState(SCE_C_STRINGEOL|activitySet);
} else if (sc.ch == '\\') {
if (sc.chNext == '\"' || sc.chNext == '\'' || sc.chNext == '\\') {
sc.Forward();
}
} else if (sc.ch == '\'') {
if (sc.chNext == '_') {
sc.ChangeState(SCE_C_USERLITERAL|activitySet);
} else {
sc.ForwardSetState(SCE_C_DEFAULT|activitySet);
}
}
break;
case SCE_C_REGEX:
if (sc.atLineStart) {
sc.SetState(SCE_C_DEFAULT|activitySet);
} else if (! inRERange && sc.ch == '/') {
sc.Forward();
while ((sc.ch < 0x80) && islower(sc.ch))
sc.Forward(); // gobble regex flags
sc.SetState(SCE_C_DEFAULT|activitySet);
} else if (sc.ch == '\\' && ((sc.currentPos+1) < lineEndNext)) {
// Gobble up the escaped character
sc.Forward();
} else if (sc.ch == '[') {
inRERange = true;
} else if (sc.ch == ']') {
inRERange = false;
}
break;
case SCE_C_STRINGEOL:
if (sc.atLineStart) {
sc.SetState(SCE_C_DEFAULT|activitySet);
}
break;
case SCE_C_VERBATIM:
if (options.verbatimStringsAllowEscapes && (sc.ch == '\\')) {
sc.Forward(); // Skip all characters after the backslash
} else if (sc.ch == '\"') {
if (sc.chNext == '\"') {
sc.Forward();
} else {
sc.ForwardSetState(SCE_C_DEFAULT|activitySet);
}
}
break;
case SCE_C_TRIPLEVERBATIM:
if (sc.Match(R"(""")")) {
while (sc.Match('"')) {
sc.Forward();
}
sc.SetState(SCE_C_DEFAULT|activitySet);
}
break;
case SCE_C_UUID:
if (sc.atLineEnd || sc.ch == ')') {
sc.SetState(SCE_C_DEFAULT|activitySet);
}
break;
case SCE_C_TASKMARKER:
if (isoperator(sc.ch) || IsASpace(sc.ch)) {
sc.SetState(styleBeforeTaskMarker|activitySet);
styleBeforeTaskMarker = SCE_C_DEFAULT;
}
}
if (sc.atLineEnd && !atLineEndBeforeSwitch) {
// State exit processing consumed characters up to end of line.
lineCurrent++;
lineEndNext = styler.LineEnd(lineCurrent);
vlls.Add(lineCurrent, preproc);
}
// Determine if a new state should be entered.
if (MaskActive(sc.state) == SCE_C_DEFAULT) {
if (sc.Match('@', '\"')) {
sc.SetState(SCE_C_VERBATIM|activitySet);
sc.Forward();
} else if (options.triplequotedStrings && sc.Match(R"(""")")) {
sc.SetState(SCE_C_TRIPLEVERBATIM|activitySet);
sc.Forward(2);
} else if (options.hashquotedStrings && sc.Match('#', '\"')) {
sc.SetState(SCE_C_HASHQUOTEDSTRING|activitySet);
sc.Forward();
} else if (options.backQuotedStrings && sc.Match('`')) {
sc.SetState(SCE_C_STRINGRAW|activitySet);
rawStringTerminator = "`";
} else if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext))) {
if (lastWordWasUUID) {
sc.SetState(SCE_C_UUID|activitySet);
lastWordWasUUID = false;
} else {
sc.SetState(SCE_C_NUMBER|activitySet);
}
} else if (!sc.atLineEnd && (setWordStart.Contains(sc.ch) || (sc.ch == '@'))) {
if (lastWordWasUUID) {
sc.SetState(SCE_C_UUID|activitySet);
lastWordWasUUID = false;
} else {
sc.SetState(SCE_C_IDENTIFIER|activitySet);
}
} else if (sc.Match('/', '*')) {
if (sc.Match("/**") || sc.Match("/*!")) { // Support of Qt/Doxygen doc. style
sc.SetState(SCE_C_COMMENTDOC|activitySet);
} else {
sc.SetState(SCE_C_COMMENT|activitySet);
}
sc.Forward(); // Eat the * so it isn't used for the end of the comment
} else if (sc.Match('/', '/')) {
if ((sc.Match("///") && !sc.Match("////")) || sc.Match("//!"))
// Support of Qt/Doxygen doc. style
sc.SetState(SCE_C_COMMENTLINEDOC|activitySet);
else
sc.SetState(SCE_C_COMMENTLINE|activitySet);
} else if (sc.ch == '/'
&& (setOKBeforeRE.Contains(chPrevNonWhite)
|| followsReturnKeyword(sc, styler))
&& (!setCouldBePostOp.Contains(chPrevNonWhite)
|| !FollowsPostfixOperator(sc, styler))) {
sc.SetState(SCE_C_REGEX|activitySet); // JavaScript's RegEx
inRERange = false;
} else if (sc.ch == '\"') {
if (sc.chPrev == 'R') {
styler.Flush();
if (MaskActive(styler.StyleAt(sc.currentPos - 1)) == SCE_C_STRINGRAW) {
sc.SetState(SCE_C_STRINGRAW|activitySet);
rawStringTerminator = ")";
for (Sci_Position termPos = sc.currentPos + 1;; termPos++) {
const char chTerminator = styler.SafeGetCharAt(termPos, '(');
if (chTerminator == '(')
break;
rawStringTerminator += chTerminator;
}
rawStringTerminator += '\"';
} else {
sc.SetState(SCE_C_STRING|activitySet);
}
} else {
sc.SetState(SCE_C_STRING|activitySet);
}
isIncludePreprocessor = false; // ensure that '>' won't end the string
} else if (isIncludePreprocessor && sc.ch == '<') {
sc.SetState(SCE_C_STRING|activitySet);
} else if (sc.ch == '\'') {
sc.SetState(SCE_C_CHARACTER|activitySet);
} else if (sc.ch == '#' && visibleChars == 0) {
// Preprocessor commands are alone on their line
sc.SetState(SCE_C_PREPROCESSOR|activitySet);
// Skip whitespace between # and preprocessor word
do {
sc.Forward();
} while ((sc.ch == ' ' || sc.ch == '\t') && sc.More());
if (sc.atLineEnd) {
sc.SetState(SCE_C_DEFAULT|activitySet);
} else if (sc.Match("include")) {
isIncludePreprocessor = true;
} else {
if (options.trackPreprocessor) {
// If #if is nested too deeply (>31 levels) the active/inactive appearance
// will stop reflecting the code.
if (sc.Match("ifdef") || sc.Match("ifndef")) {
const bool isIfDef = sc.Match("ifdef");
const int startRest = isIfDef ? 5 : 6;
std::string restOfLine = GetRestOfLine(styler, sc.currentPos + startRest + 1, false);
bool foundDef = preprocessorDefinitions.find(restOfLine) != preprocessorDefinitions.end();
preproc.StartSection(isIfDef == foundDef);
} else if (sc.Match("if")) {
std::string restOfLine = GetRestOfLine(styler, sc.currentPos + 2, true);
const bool ifGood = EvaluateExpression(restOfLine, preprocessorDefinitions);
preproc.StartSection(ifGood);
} else if (sc.Match("else")) {
// #else is shown as active if either preceding or following section is active
// as that means that it contributed to the result.
if (!preproc.CurrentIfTaken()) {
// Inactive, may become active if parent scope active
assert(sc.state == (SCE_C_PREPROCESSOR|inactiveFlag));
preproc.InvertCurrentLevel();
activitySet = preproc.ActiveState();
// If following is active then show "else" as active
if (!activitySet)
sc.ChangeState(SCE_C_PREPROCESSOR);
} else if (preproc.IsActive()) {
// Active -> inactive
assert(sc.state == SCE_C_PREPROCESSOR);
preproc.InvertCurrentLevel();
activitySet = preproc.ActiveState();
// Continue to show "else" as active as it ends active section.
}
} else if (sc.Match("elif")) {
// Ensure only one chosen out of #if .. #elif .. #elif .. #else .. #endif
// #elif is shown as active if either preceding or following section is active
// as that means that it contributed to the result.
if (!preproc.CurrentIfTaken()) {
// Inactive, if expression true then may become active if parent scope active
assert(sc.state == (SCE_C_PREPROCESSOR|inactiveFlag));
// Similar to #if
std::string restOfLine = GetRestOfLine(styler, sc.currentPos + 4, true);
const bool ifGood = EvaluateExpression(restOfLine, preprocessorDefinitions);
if (ifGood) {
preproc.InvertCurrentLevel();
activitySet = preproc.ActiveState();
if (!activitySet)
sc.ChangeState(SCE_C_PREPROCESSOR);
}
} else if (preproc.IsActive()) {
// Active -> inactive
assert(sc.state == SCE_C_PREPROCESSOR);
preproc.InvertCurrentLevel();
activitySet = preproc.ActiveState();
// Continue to show "elif" as active as it ends active section.
}
} else if (sc.Match("endif")) {
preproc.EndSection();
activitySet = preproc.ActiveState();
sc.ChangeState(SCE_C_PREPROCESSOR|activitySet);
} else if (sc.Match("define")) {
if (options.updatePreprocessor && preproc.IsActive()) {
std::string restOfLine = GetRestOfLine(styler, sc.currentPos + 6, true);
size_t startName = 0;
while ((startName < restOfLine.length()) && IsSpaceOrTab(restOfLine[startName]))
startName++;
size_t endName = startName;
while ((endName < restOfLine.length()) && setWord.Contains(restOfLine[endName]))
endName++;
std::string key = restOfLine.substr(startName, endName-startName);
if ((endName < restOfLine.length()) && (restOfLine.at(endName) == '(')) {
// Macro
size_t endArgs = endName;
while ((endArgs < restOfLine.length()) && (restOfLine[endArgs] != ')'))
endArgs++;
std::string args = restOfLine.substr(endName + 1, endArgs - endName - 1);
size_t startValue = endArgs+1;
while ((startValue < restOfLine.length()) && IsSpaceOrTab(restOfLine[startValue]))
startValue++;
std::string value;
if (startValue < restOfLine.length())
value = restOfLine.substr(startValue);
preprocessorDefinitions[key] = SymbolValue(value, args);
ppDefineHistory.push_back(PPDefinition(lineCurrent, key, value, false, args));
definitionsChanged = true;
} else {
// Value
size_t startValue = endName;
while ((startValue < restOfLine.length()) && IsSpaceOrTab(restOfLine[startValue]))
startValue++;
std::string value = restOfLine.substr(startValue);
if (OnlySpaceOrTab(value))
value = "1"; // No value defaults to 1
preprocessorDefinitions[key] = value;
ppDefineHistory.push_back(PPDefinition(lineCurrent, key, value));
definitionsChanged = true;
}
}
} else if (sc.Match("undef")) {
if (options.updatePreprocessor && preproc.IsActive()) {
const std::string restOfLine = GetRestOfLine(styler, sc.currentPos + 5, false);
std::vector<std::string> tokens = Tokenize(restOfLine);
if (tokens.size() >= 1) {
const std::string key = tokens[0];
preprocessorDefinitions.erase(key);
ppDefineHistory.push_back(PPDefinition(lineCurrent, key, "", true));
definitionsChanged = true;
}
}
}
}
}
} else if (isoperator(sc.ch)) {
sc.SetState(SCE_C_OPERATOR|activitySet);
}
}
if (!IsASpace(sc.ch) && !IsSpaceEquiv(MaskActive(sc.state))) {
chPrevNonWhite = sc.ch;
visibleChars++;
}
continuationLine = false;
sc.Forward();
}
const bool rawStringsChanged = rawStringTerminators.Merge(rawSTNew, lineCurrent);
if (definitionsChanged || rawStringsChanged)
styler.ChangeLexerState(startPos, startPos + length);
sc.Complete();
}