StackVisitor::Status operator()(StackVisitor& visitor) const
{
m_currentFrame++;
if (m_currentFrame > m_framesToSkip) {
visitor->dump(WTF::dataFile(), Indenter(2), [&] (PrintStream& out) {
out.print("[", (m_currentFrame - m_framesToSkip - 1), "] ");
});
}
if (m_action == PrintOne && m_currentFrame > m_framesToSkip)
return StackVisitor::Done;
return StackVisitor::Continue;
}
void UnwrappedLineParser::parseIfThenElse() {
assert(FormatTok->Tok.is(tok::kw_if) && "'if' expected");
nextToken();
if (FormatTok->Tok.is(tok::l_paren))
parseParens();
bool NeedsUnwrappedLine = false;
if (FormatTok->Tok.is(tok::l_brace)) {
CompoundStatementIndenter Indenter(this, Style, Line->Level);
parseBlock(/*MustBeDeclaration=*/false);
if (Style.BreakBeforeBraces == FormatStyle::BS_Allman ||
Style.BreakBeforeBraces == FormatStyle::BS_GNU) {
addUnwrappedLine();
} else {
NeedsUnwrappedLine = true;
}
} else {
addUnwrappedLine();
++Line->Level;
parseStructuralElement();
--Line->Level;
}
if (FormatTok->Tok.is(tok::kw_else)) {
nextToken();
if (FormatTok->Tok.is(tok::l_brace)) {
CompoundStatementIndenter Indenter(this, Style, Line->Level);
parseBlock(/*MustBeDeclaration=*/false);
addUnwrappedLine();
} else if (FormatTok->Tok.is(tok::kw_if)) {
parseIfThenElse();
} else {
addUnwrappedLine();
++Line->Level;
parseStructuralElement();
--Line->Level;
}
} else if (NeedsUnwrappedLine) {
addUnwrappedLine();
}
}
void UnwrappedLineParser::parseSwitch() {
assert(FormatTok->Tok.is(tok::kw_switch) && "'switch' expected");
nextToken();
if (FormatTok->Tok.is(tok::l_paren))
parseParens();
if (FormatTok->Tok.is(tok::l_brace)) {
CompoundStatementIndenter Indenter(this, Style, Line->Level);
parseBlock(/*MustBeDeclaration=*/false);
addUnwrappedLine();
} else {
addUnwrappedLine();
++Line->Level;
parseStructuralElement();
--Line->Level;
}
}
void UnwrappedLineParser::parseForOrWhileLoop() {
assert((FormatTok->Tok.is(tok::kw_for) || FormatTok->Tok.is(tok::kw_while) ||
FormatTok->IsForEachMacro) &&
"'for', 'while' or foreach macro expected");
nextToken();
if (FormatTok->Tok.is(tok::l_paren))
parseParens();
if (FormatTok->Tok.is(tok::l_brace)) {
CompoundStatementIndenter Indenter(this, Style, Line->Level);
parseBlock(/*MustBeDeclaration=*/false);
addUnwrappedLine();
} else {
addUnwrappedLine();
++Line->Level;
parseStructuralElement();
--Line->Level;
}
}
void UnwrappedLineParser::parseLabel() {
nextToken();
unsigned OldLineLevel = Line->Level;
if (Line->Level > 1 || (!Line->InPPDirective && Line->Level > 0))
--Line->Level;
if (CommentsBeforeNextToken.empty() && FormatTok->Tok.is(tok::l_brace)) {
CompoundStatementIndenter Indenter(this, Style, Line->Level);
parseBlock(/*MustBeDeclaration=*/false);
if (FormatTok->Tok.is(tok::kw_break)) {
// "break;" after "}" on its own line only for BS_Allman and BS_GNU
if (Style.BreakBeforeBraces == FormatStyle::BS_Allman ||
Style.BreakBeforeBraces == FormatStyle::BS_GNU) {
addUnwrappedLine();
}
parseStructuralElement();
}
addUnwrappedLine();
} else {
addUnwrappedLine();
}
Line->Level = OldLineLevel;
}
void UnwrappedLineParser::parseDoWhile() {
assert(FormatTok->Tok.is(tok::kw_do) && "'do' expected");
nextToken();
if (FormatTok->Tok.is(tok::l_brace)) {
CompoundStatementIndenter Indenter(this, Style, Line->Level);
parseBlock(/*MustBeDeclaration=*/false);
if (Style.BreakBeforeBraces == FormatStyle::BS_GNU)
addUnwrappedLine();
} else {
addUnwrappedLine();
++Line->Level;
parseStructuralElement();
--Line->Level;
}
// FIXME: Add error handling.
if (!FormatTok->Tok.is(tok::kw_while)) {
addUnwrappedLine();
return;
}
nextToken();
parseStructuralElement();
}
void UnwrappedLineParser::parseTryCatch() {
assert(FormatTok->is(tok::kw_try) && "'try' expected");
nextToken();
bool NeedsUnwrappedLine = false;
if (FormatTok->is(tok::colon)) {
// We are in a function try block, what comes is an initializer list.
nextToken();
while (FormatTok->is(tok::identifier)) {
nextToken();
if (FormatTok->is(tok::l_paren))
parseParens();
else
StructuralError = true;
if (FormatTok->is(tok::comma))
nextToken();
}
}
if (FormatTok->is(tok::l_brace)) {
CompoundStatementIndenter Indenter(this, Style, Line->Level);
parseBlock(/*MustBeDeclaration=*/false);
if (Style.BreakBeforeBraces == FormatStyle::BS_Allman ||
Style.BreakBeforeBraces == FormatStyle::BS_GNU ||
Style.BreakBeforeBraces == FormatStyle::BS_Stroustrup) {
addUnwrappedLine();
} else {
NeedsUnwrappedLine = true;
}
} else if (!FormatTok->is(tok::kw_catch)) {
// The C++ standard requires a compound-statement after a try.
// If there's none, we try to assume there's a structuralElement
// and try to continue.
StructuralError = true;
addUnwrappedLine();
++Line->Level;
parseStructuralElement();
--Line->Level;
}
while (FormatTok->is(tok::kw_catch) ||
(Style.Language == FormatStyle::LK_JavaScript &&
FormatTok->TokenText == "finally")) {
nextToken();
while (FormatTok->isNot(tok::l_brace)) {
if (FormatTok->is(tok::l_paren)) {
parseParens();
continue;
}
if (FormatTok->isOneOf(tok::semi, tok::r_brace))
return;
nextToken();
}
NeedsUnwrappedLine = false;
CompoundStatementIndenter Indenter(this, Style, Line->Level);
parseBlock(/*MustBeDeclaration=*/false);
if (Style.BreakBeforeBraces == FormatStyle::BS_Allman ||
Style.BreakBeforeBraces == FormatStyle::BS_GNU ||
Style.BreakBeforeBraces == FormatStyle::BS_Stroustrup) {
addUnwrappedLine();
} else {
NeedsUnwrappedLine = true;
}
}
if (NeedsUnwrappedLine) {
addUnwrappedLine();
}
}