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fix: index out of range in cpp highlighter

This commit is contained in:
Roy Qu 2022-10-19 20:16:26 +08:00
parent 5fd8fec4ec
commit 543b76dca6
1 changed files with 222 additions and 210 deletions
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432
libs/qsynedit/qsynedit/highlighter/cpp.cpp
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@ -275,19 +275,20 @@ TokenKind CppHighlighter::getTokenId()
void CppHighlighter::andSymbolProc()
{
mTokenId = TokenId::Symbol;
switch (mLine[mRun+1].unicode()) {
case '=':
mRun+=2;
mExtTokenId = ExtTokenId::AndAssign;
break;
case '&':
mRun+=2;
mExtTokenId = ExtTokenId::LogAnd;
break;
default:
mRun+=1;
mExtTokenId = ExtTokenId::And;
if (mRun+1<mLineSize) {
switch (mLine[mRun+1].unicode()) {
case '=':
mRun+=2;
mExtTokenId = ExtTokenId::AndAssign;
return;
case '&':
mRun+=2;
mExtTokenId = ExtTokenId::LogAnd;
return;
}
}
mRun+=1;
mExtTokenId = ExtTokenId::And;
}
void CppHighlighter::ansiCppProc()
@ -317,10 +318,10 @@ void CppHighlighter::ansiCProc()
nullProc();
return;
}
while (mRun<=mLineSize) {
while (mRun<mLineSize) {
switch(mLine[mRun].unicode()) {
case '*':
if (mLine[mRun+1] == '/') {
if (mRun+1<mLineSize && mLine[mRun+1] == '/') {
mRun += 2;
if (mRange.state == RangeState::rsAnsiCAsm) {
mRange.state = RangeState::rsAsm;
@ -349,7 +350,7 @@ void CppHighlighter::asciiCharProc()
mTokenId = TokenId::Char;
do {
if (mLine[mRun] == '\\') {
if (mLine[mRun+1] == '\'' || mLine[mRun+1] == '\\') {
if (mRun+1<mLineSize && (mLine[mRun+1] == '\'' || mLine[mRun+1] == '\\')) {
mRun+=1;
}
}
@ -416,13 +417,13 @@ void CppHighlighter::braceOpenProc()
void CppHighlighter::colonProc()
{
mTokenId = TokenId::Symbol;
if (mLine[mRun+1]==':') {
if (mRun+1<mLineSize && mLine[mRun+1]==':') {
mRun+=2;
mExtTokenId = ExtTokenId::ScopeResolution;
} else {
mRun+=1;
mExtTokenId = ExtTokenId::Colon;
}
mRun+=1;
mExtTokenId = ExtTokenId::Colon;
}
void CppHighlighter::commaProc()
@ -475,13 +476,15 @@ void CppHighlighter::defineRemainingProc()
do {
switch(mLine[mRun].unicode()) {
case '/': //comment?
switch (mLine[mRun+1].unicode()) {
case '/': // is end of directive as well
mRange.state = RangeState::rsUnknown;
return;
case '*': // might be embeded only
mRange.state = RangeState::rsDirectiveComment;
return;
if (mRun+1<mLineSize) {
switch (mLine[mRun+1].unicode()) {
case '/': // is end of directive as well
mRange.state = RangeState::rsUnknown;
return;
case '*': // might be embeded only
mRange.state = RangeState::rsDirectiveComment;
return;
}
}
break;
case '\\': // yet another line?
@ -508,13 +511,15 @@ void CppHighlighter::directiveEndProc()
do {
switch(mLine[mRun].unicode()) {
case '/': //comment?
switch (mLine[mRun+1].unicode()) {
case '/': // is end of directive as well
mRange.state = RangeState::rsUnknown;
return;
case '*': // might be embeded only
mRange.state = RangeState::rsDirectiveComment;
return;
if (mRun+1<mLineSize) {
switch (mLine[mRun+1].unicode()) {
case '/': // is end of directive as well
mRange.state = RangeState::rsUnknown;
return;
case '*': // might be embeded only
mRange.state = RangeState::rsDirectiveComment;
return;
}
}
break;
case '\\': // yet another line?
@ -532,7 +537,7 @@ void CppHighlighter::directiveEndProc()
void CppHighlighter::equalProc()
{
mTokenId = TokenId::Symbol;
if (mLine[mRun+1] == '=') {
if (mRun+1<mLineSize && mLine[mRun+1] == '=') {
mRun += 2;
mExtTokenId = ExtTokenId::LogEqual;
} else {
@ -544,24 +549,25 @@ void CppHighlighter::equalProc()
void CppHighlighter::greaterProc()
{
mTokenId = TokenId::Symbol;
switch (mLine[mRun + 1].unicode()) {
case '=':
mRun += 2;
mExtTokenId = ExtTokenId::GreaterThanEqual;
break;
case '>':
if (mLine[mRun+2] == '=') {
mRun+=3;
mExtTokenId = ExtTokenId::ShiftRightAssign;
} else {
if (mRun+1<mLineSize) {
switch (mLine[mRun+1].unicode()) {
case '=':
mRun += 2;
mExtTokenId = ExtTokenId::ShiftRight;
mExtTokenId = ExtTokenId::GreaterThanEqual;
return;
case '>':
if (mRun+2<mLineSize && mLine[mRun+2] == '=') {
mRun+=3;
mExtTokenId = ExtTokenId::ShiftRightAssign;
} else {
mRun += 2;
mExtTokenId = ExtTokenId::ShiftRight;
}
return;
}
break;
default:
mRun+=1;
mExtTokenId = ExtTokenId::GreaterThan;
}
mRun+=1;
mExtTokenId = ExtTokenId::GreaterThan;
}
void CppHighlighter::identProc()
@ -585,62 +591,62 @@ void CppHighlighter::identProc()
void CppHighlighter::lowerProc()
{
mTokenId = TokenId::Symbol;
switch(mLine[mRun+1].unicode()) {
case '=':
mRun+=2;
mExtTokenId = ExtTokenId::LessThanEqual;
break;
case '<':
if (mLine[mRun+2] == '=') {
mRun+=3;
mExtTokenId = ExtTokenId::ShiftLeftAssign;
} else {
if (mRun<mLineSize) {
switch(mLine[mRun+1].unicode()) {
case '=':
mRun+=2;
mExtTokenId = ExtTokenId::ShiftLeft;
mExtTokenId = ExtTokenId::LessThanEqual;
return;
case '<':
if (mRun+2<mLineSize && mLine[mRun+2] == '=') {
mRun+=3;
mExtTokenId = ExtTokenId::ShiftLeftAssign;
} else {
mRun+=2;
mExtTokenId = ExtTokenId::ShiftLeft;
}
return;
}
break;
default:
mRun+=1;
mExtTokenId = ExtTokenId::LessThan;
}
mRun+=1;
mExtTokenId = ExtTokenId::LessThan;
}
void CppHighlighter::minusProc()
{
mTokenId = TokenId::Symbol;
switch(mLine[mRun+1].unicode()) {
case '=':
mRun += 2;
mExtTokenId = ExtTokenId::SubtractAssign;
break;
case '-':
mRun += 2;
mExtTokenId = ExtTokenId::Decrement;
break;
case '>':
if (mLine[mRun+2]=='*') {
mRun += 3;
mExtTokenId = ExtTokenId::PointerToMemberOfPointer;
} else {
if (mRun+1<mLineSize) {
switch(mLine[mRun+1].unicode()) {
case '=':
mRun += 2;
mExtTokenId = ExtTokenId::Arrow;
mExtTokenId = ExtTokenId::SubtractAssign;
return;
case '-':
mRun += 2;
mExtTokenId = ExtTokenId::Decrement;
return;
case '>':
if (mRun+2<mLineSize && mLine[mRun+2]=='*') {
mRun += 3;
mExtTokenId = ExtTokenId::PointerToMemberOfPointer;
} else {
mRun += 2;
mExtTokenId = ExtTokenId::Arrow;
}
return;
}
break;
default:
mRun += 1;
mExtTokenId = ExtTokenId::Subtract;
}
mRun += 1;
mExtTokenId = ExtTokenId::Subtract;
}
void CppHighlighter::modSymbolProc()
{
mTokenId = TokenId::Symbol;
switch(mLine[mRun + 1].unicode()) {
case '=':
if (mRun+1<mLineSize && mLine[mRun+1]=='=') {
mRun += 2;
mExtTokenId = ExtTokenId::ModAssign;
break;
default:
} else {
mRun += 1;
mExtTokenId = ExtTokenId::Mod;
}
@ -649,12 +655,10 @@ void CppHighlighter::modSymbolProc()
void CppHighlighter::notSymbolProc()
{
mTokenId = TokenId::Symbol;
switch(mLine[mRun + 1].unicode()) {
case '=':
if (mRun<mLineSize && mLine[mRun+1]=='=') {
mRun+=2;
mExtTokenId = ExtTokenId::NotEqual;
break;
default:
} else {
mRun+=1;
mExtTokenId = ExtTokenId::LogComplement;
}
@ -689,7 +693,7 @@ void CppHighlighter::numberProc()
}
break;
case '.':
if (mLine[mRun+1] == '.') {
if (mRun+1<mLineSize && mLine[mRun+1] == '.') {
mRun+=2;
mTokenId = TokenId::Unknown;
return;
@ -706,7 +710,7 @@ void CppHighlighter::numberProc()
return;
if (mLine[mRun-1]!= 'e' && mLine[mRun-1]!='E') // number = float, but no exponent. an arithmetic operator
return;
if (mLine[mRun+1]<'0' || mLine[mRun+1]>'9') {// invalid
if (mRun+1<mLineSize && (mLine[mRun+1]<'0' || mLine[mRun+1]>'9')) {// invalid
mRun+=1;
mTokenId = TokenId::Unknown;
return;
@ -753,7 +757,7 @@ void CppHighlighter::numberProc()
return;
}
}
if (mLine[mRun+1]!='+' && mLine[mRun+1]!='-' && !(mLine[mRun+1]>='0' && mLine[mRun+1]<='9')) {
if (mRun+1<mLineSize && mLine[mRun+1]!='+' && mLine[mRun+1]!='-' && !(mLine[mRun+1]>='0' && mLine[mRun+1]<='9')) {
return;
} else {
mTokenId = TokenId::Float;
@ -820,6 +824,7 @@ void CppHighlighter::numberProc()
case 'x':
case 'X':
if ((mRun == idx1+1) && (mLine[idx1]=='0') &&
mRun+1<mLineSize &&
((mLine[mRun+1]>='0' && mLine[mRun+1]<='9')
|| (mLine[mRun+1]>='a' && mLine[mRun+1]<='f')
|| (mLine[mRun+1]>='A' && mLine[mRun+1]<='F')) ) {
@ -846,49 +851,51 @@ void CppHighlighter::numberProc()
void CppHighlighter::orSymbolProc()
{
mTokenId = TokenId::Symbol;
switch ( mLine[mRun+1].unicode()) {
case '=':
mRun+=2;
mExtTokenId = ExtTokenId::IncOrAssign;
break;
case '|':
mRun+=2;
mExtTokenId = ExtTokenId::LogOr;
break;
default:
mRun+=1;
mExtTokenId = ExtTokenId::IncOr;
if (mRun+1<=mLineSize) {
switch ( mLine[mRun+1].unicode()) {
case '=':
mRun+=2;
mExtTokenId = ExtTokenId::IncOrAssign;
return;
case '|':
mRun+=2;
mExtTokenId = ExtTokenId::LogOr;
return;
}
}
mRun+=1;
mExtTokenId = ExtTokenId::IncOr;
}
void CppHighlighter::plusProc()
{
mTokenId = TokenId::Symbol;
switch(mLine[mRun+1].unicode()){
case '=':
mRun+=2;
mExtTokenId = ExtTokenId::AddAssign;
break;
case '+':
mRun+=2;
mExtTokenId = ExtTokenId::Increment;
break;
default:
mRun+=1;
mExtTokenId = ExtTokenId::Add;
if (mRun+1<mLineSize) {
switch(mLine[mRun+1].unicode()){
case '=':
mRun+=2;
mExtTokenId = ExtTokenId::AddAssign;
return;
case '+':
mRun+=2;
mExtTokenId = ExtTokenId::Increment;
return;
}
}
mRun+=1;
mExtTokenId = ExtTokenId::Add;
}
void CppHighlighter::pointProc()
{
mTokenId = TokenId::Symbol;
if (mLine[mRun+1] == '*' ) {
if (mRun+1<mLineSize && mLine[mRun+1] == '*' ) {
mRun+=2;
mExtTokenId = ExtTokenId::PointerToMemberOfObject;
} else if (mLine[mRun+1] == '.' && mLine[mRun+2] == '.') {
} else if (mRun+2<mLineSize && mLine[mRun+1] == '.' && mLine[mRun+2] == '.') {
mRun+=3;
mExtTokenId = ExtTokenId::Ellipse;
} else if (mLine[mRun+1]>='0' && mLine[mRun+1]<='9') {
} else if (mRun+1<mLineSize && mLine[mRun+1]>='0' && mLine[mRun+1]<='9') {
numberProc();
} else {
mRun+=1;
@ -963,37 +970,38 @@ void CppHighlighter::semiColonProc()
void CppHighlighter::slashProc()
{
switch(mLine[mRun+1].unicode()) {
case '/': // Cpp style comment
mTokenId = TokenId::Comment;
mRun+=2;
mRange.state = RangeState::rsCppComment;
return;
case '*': // C style comment
mTokenId = TokenId::Comment;
if (mRange.state == RangeState::rsAsm) {
mRange.state = RangeState::rsAnsiCAsm;
} else if (mRange.state == RangeState::rsAsmBlock) {
mRange.state = RangeState::rsAnsiCAsmBlock;
} else if (mRange.state == RangeState::rsDirective) {
mRange.state = RangeState::rsDirectiveComment;
} else {
mRange.state = RangeState::rsAnsiC;
if (mRun+1<mLineSize) {
switch(mLine[mRun+1].unicode()) {
case '/': // Cpp style comment
mTokenId = TokenId::Comment;
mRun+=2;
mRange.state = RangeState::rsCppComment;
return;
case '*': // C style comment
mTokenId = TokenId::Comment;
if (mRange.state == RangeState::rsAsm) {
mRange.state = RangeState::rsAnsiCAsm;
} else if (mRange.state == RangeState::rsAsmBlock) {
mRange.state = RangeState::rsAnsiCAsmBlock;
} else if (mRange.state == RangeState::rsDirective) {
mRange.state = RangeState::rsDirectiveComment;
} else {
mRange.state = RangeState::rsAnsiC;
}
mRun += 2;
if (mRun < mLineSize)
ansiCProc();
return;
case '=':
mRun+=2;
mTokenId = TokenId::Symbol;
mExtTokenId = ExtTokenId::DivideAssign;
return;
}
mRun += 2;
if (mRun < mLineSize)
ansiCProc();
break;
case '=':
mRun+=2;
mTokenId = TokenId::Symbol;
mExtTokenId = ExtTokenId::DivideAssign;
break;
default:
mRun += 1;
mTokenId = TokenId::Symbol;
mExtTokenId = ExtTokenId::Divide;
}
mRun += 1;
mTokenId = TokenId::Symbol;
mExtTokenId = ExtTokenId::Divide;
}
void CppHighlighter::backSlashProc()
@ -1039,7 +1047,7 @@ void CppHighlighter::squareOpenProc()
void CppHighlighter::starProc()
{
mTokenId = TokenId::Symbol;
if (mLine[mRun+1] == '=') {
if (mRun<=mLineSize && mLine[mRun+1] == '=') {
mRun += 2;
mExtTokenId = ExtTokenId::MultiplyAssign;
} else {
@ -1062,39 +1070,41 @@ void CppHighlighter::stringEndProc()
mRun += 1;
break;
}
if (mLine[mRun].unicode()=='\\') {
if (mLine[mRun]=='\\') {
if (mRun == mLineSize-1) {
mRun+=1;
mRange.state = RangeState::rsMultiLineString;
return;
}
switch(mLine[mRun+1].unicode()) {
case '\'':
case '"':
case '\\':
case '?':
case 'a':
case 'b':
case 'f':
case 'n':
case 'r':
case 't':
case 'v':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case 'x':
case 'u':
case 'U':
mRange.state = RangeState::rsMultiLineStringEscapeSeq;
return;
if (mRun+1<mLineSize) {
switch(mLine[mRun+1].unicode()) {
case '\'':
case '"':
case '\\':
case '?':
case 'a':
case 'b':
case 'f':
case 'n':
case 'r':
case 't':
case 'v':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case 'x':
case 'u':
case 'U':
mRange.state = RangeState::rsMultiLineStringEscapeSeq;
return;
}
}
}
mRun += 1;
@ -1196,39 +1206,41 @@ void CppHighlighter::stringProc()
mRun+=1;
break;
}
if (mLine[mRun].unicode()=='\\') {
if (mLine[mRun]=='\\') {
if (mRun == mLineSize-1) {
mRun+=1;
mRange.state = RangeState::rsMultiLineString;
return;
}
switch(mLine[mRun+1].unicode()) {
case '\'':
case '"':
case '\\':
case '?':
case 'a':
case 'b':
case 'f':
case 'n':
case 'r':
case 't':
case 'v':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case 'x':
case 'u':
case 'U':
mRange.state = RangeState::rsStringEscapeSeq;
return;
if (mRun+1<mLineSize) {
switch(mLine[mRun+1].unicode()) {
case '\'':
case '"':
case '\\':
case '?':
case 'a':
case 'b':
case 'f':
case 'n':
case 'r':
case 't':
case 'v':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case 'x':
case 'u':
case 'U':
mRange.state = RangeState::rsStringEscapeSeq;
return;
}
}
}
mRun+=1;
@ -1263,7 +1275,7 @@ void CppHighlighter::unknownProc()
void CppHighlighter::xorSymbolProc()
{
mTokenId = TokenId::Symbol;
if (mLine[mRun+1]=='=') {
if (mRun+1<mLineSize && mLine[mRun+1]=='=') {
mRun+=2;
mExtTokenId = ExtTokenId::XorAssign;
} else {
@ -1549,13 +1561,13 @@ void CppHighlighter::next()
break;
default:
mRange.state = RangeState::rsUnknown;
if (mLine[mRun] == 'R' && mLine[mRun+1] == '"') {
if (mLine[mRun] == 'R' && mRun+1<mLineSize && mLine[mRun+1] == '"') {
mRun+=2;
rawStringProc();
} else if ((mLine[mRun] == 'L' || mLine[mRun] == 'u' || mLine[mRun]=='U') && mLine[mRun+1]=='\"') {
mRun+=1;
stringStartProc();
} else if (mLine[mRun] == 'u' && mLine[mRun+1] == '8' && mLine[mRun+2]=='\"') {
} else if (mLine[mRun] == 'u' && mRun+2<mLineSize && mLine[mRun+1] == '8' && mLine[mRun+2]=='\"') {
mRun+=2;
stringStartProc();
} else