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[clang-format][NFC] FormatTokenLexer.cpp cleanup #141202

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merged 1 commit into from
May 23, 2025
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[clang-format][NFC] FormatTokenLexer.cpp cleanup #141202

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65 changes: 26 additions & 39 deletions clang/lib/Format/FormatTokenLexer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -123,16 +123,15 @@ ArrayRef<FormatToken *> FormatTokenLexer::lex() {
if (Style.isJavaScript()) {
tryParseJSRegexLiteral();
handleTemplateStrings();
}
if (Style.isTextProto())
} else if (Style.isTextProto()) {
tryParsePythonComment();
}
tryMergePreviousTokens();
if (Style.isCSharp()) {
// This needs to come after tokens have been merged so that C#
// string literals are correctly identified.
handleCSharpVerbatimAndInterpolatedStrings();
}
if (Style.isTableGen()) {
} else if (Style.isTableGen()) {
handleTableGenMultilineString();
handleTableGenNumericLikeIdentifier();
}
Expand Down Expand Up @@ -190,23 +189,23 @@ void FormatTokenLexer::tryMergePreviousTokens() {
}
if (tryMergeNullishCoalescingEqual())
return;
}

if (Style.isCSharp()) {
static const tok::TokenKind CSharpNullConditionalLSquare[] = {
tok::question, tok::l_square};

if (tryMergeCSharpKeywordVariables())
return;
if (tryMergeCSharpStringLiteral())
return;
if (tryTransformCSharpForEach())
return;
if (tryMergeTokens(CSharpNullConditionalLSquare,
TT_CSharpNullConditionalLSquare)) {
// Treat like a regular "[" operator.
Tokens.back()->Tok.setKind(tok::l_square);
return;
if (Style.isCSharp()) {
static const tok::TokenKind CSharpNullConditionalLSquare[] = {
tok::question, tok::l_square};

if (tryMergeCSharpKeywordVariables())
return;
if (tryMergeCSharpStringLiteral())
return;
if (tryTransformCSharpForEach())
return;
if (tryMergeTokens(CSharpNullConditionalLSquare,
TT_CSharpNullConditionalLSquare)) {
// Treat like a regular "[" operator.
Tokens.back()->Tok.setKind(tok::l_square);
return;
}
}
}

Expand Down Expand Up @@ -246,16 +245,12 @@ void FormatTokenLexer::tryMergePreviousTokens() {
}
if (tryMergeJSPrivateIdentifier())
return;
}

if (Style.isJava()) {
} else if (Style.isJava()) {
static const tok::TokenKind JavaRightLogicalShiftAssign[] = {
tok::greater, tok::greater, tok::greaterequal};
if (tryMergeTokens(JavaRightLogicalShiftAssign, TT_BinaryOperator))
return;
}

if (Style.isVerilog()) {
} else if (Style.isVerilog()) {
// Merge the number following a base like `'h?a0`.
if (Tokens.size() >= 3 && Tokens.end()[-3]->is(TT_VerilogNumberBase) &&
Tokens.end()[-2]->is(tok::numeric_constant) &&
Expand Down Expand Up @@ -327,8 +322,7 @@ void FormatTokenLexer::tryMergePreviousTokens() {
Tokens.back()->ForcedPrecedence = prec::Comma;
return;
}
}
if (Style.isTableGen()) {
} else if (Style.isTableGen()) {
// TableGen's Multi line string starts with [{
if (tryMergeTokens({tok::l_square, tok::l_brace},
TT_TableGenMultiLineString)) {
Expand Down Expand Up @@ -843,10 +837,7 @@ void FormatTokenLexer::handleCSharpVerbatimAndInterpolatedStrings() {

const char *StrBegin = Lex->getBufferLocation() - TokenText.size();
const char *Offset = StrBegin;
if (Verbatim && Interpolated)
Offset += 3;
else
Offset += 2;
Offset += Verbatim && Interpolated ? 3 : 2;

const auto End = Lex->getBuffer().end();
Offset = lexCSharpString(Offset, End, Verbatim, Interpolated);
Expand Down Expand Up @@ -1377,13 +1368,9 @@ FormatToken *FormatTokenLexer::getNextToken() {
} else if (Style.isTableGen() && !Keywords.isTableGenKeyword(*FormatTok)) {
FormatTok->Tok.setKind(tok::identifier);
}
} else if (FormatTok->is(tok::greatergreater)) {
FormatTok->Tok.setKind(tok::greater);
FormatTok->TokenText = FormatTok->TokenText.substr(0, 1);
++Column;
StateStack.push(LexerState::TOKEN_STASHED);
} else if (FormatTok->is(tok::lessless)) {
FormatTok->Tok.setKind(tok::less);
} else if (const bool Greater = FormatTok->is(tok::greatergreater);
Greater || FormatTok->is(tok::lessless)) {
FormatTok->Tok.setKind(Greater ? tok::greater : tok::less);
FormatTok->TokenText = FormatTok->TokenText.substr(0, 1);
++Column;
StateStack.push(LexerState::TOKEN_STASHED);
Expand Down