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[Parse] Optimize syntax parsing: Speed-up Lexer::lexTrivia()

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Introduce ParsedTrivia which is a more efficient structure to use during lexing than syntax::Trivia.
This commit is contained in:
Argyrios Kyrtzidis
2018-12-30 15:19:48 -08:00
parent 9fa91e97aa
commit c7ac859310
24 changed files with 285 additions and 108 deletions
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8
tools/libSwiftSyntaxParser/libSwiftSyntaxParser.cpp
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@@ -88,14 +88,14 @@ private:
}
static void makeCTrivia(SmallVectorImpl<CTriviaPiece> &c_trivia,
const Trivia &trivia) {
const ParsedTrivia &trivia) {
for (const auto &piece : trivia) {
CTriviaPiece c_piece;
auto numValue =
WrapperTypeTraits<TriviaKind>::numericValue(piece.getKind());
c_piece.kind = numValue;
assert(c_piece.kind == numValue && "trivia kind value is too large");
c_piece.length = piece.getTextLength();
c_piece.length = piece.getLength();
c_trivia.push_back(c_piece);
}
}
@@ -132,8 +132,8 @@ private:
}
OpaqueSyntaxNode recordToken(const Token &tok,
const Trivia &leadingTrivia,
const Trivia &trailingTrivia,
const ParsedTrivia &leadingTrivia,
const ParsedTrivia &trailingTrivia,
CharSourceRange range) override {
SmallVector<CTriviaPiece, 8> c_leadingTrivia, c_trailingTrivia;
makeCTrivia(c_leadingTrivia, leadingTrivia);