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Merge ExpressionClassifier::ObjectLiteralProduction into ExpressionProduction

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They are both accumulated at the same time, and either one already triggered
an error in ValidateExpression. Basically, there were no disjoint uses of
these two error types.

Review-Url: https://codereview.chromium.org/2268173005
Cr-Commit-Position: refs/heads/master@{#38922}
This commit is contained in:
adamk 2016-08-25 17:02:38 -07:00 committed by Commit bot
parent 1937d90085
commit 26fbac4b37
2 changed files with 7 additions and 33 deletions
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21
src/parsing/expression-classifier.h
View File

@ -23,9 +23,8 @@ class DuplicateFinder;
T(StrictModeFormalParametersProduction, 5) \
T(ArrowFormalParametersProduction, 6) \
T(LetPatternProduction, 7) \
T(ObjectLiteralProduction, 8) \
T(TailCallExpressionProduction, 9) \
T(AsyncArrowFormalParametersProduction, 10)
T(TailCallExpressionProduction, 8) \
T(AsyncArrowFormalParametersProduction, 9)
template <typename Traits>
class ExpressionClassifier {
@ -165,14 +164,6 @@ class ExpressionClassifier {
return reported_error(kLetPatternProduction);
}
V8_INLINE bool has_object_literal_error() const {
return !is_valid(ObjectLiteralProduction);
}
V8_INLINE const Error& object_literal_error() const {
return reported_error(kObjectLiteralProduction);
}
V8_INLINE bool has_tail_call_expression() const {
return !is_valid(TailCallExpressionProduction);
}
@ -281,14 +272,6 @@ class ExpressionClassifier {
Add(Error(loc, message, kLetPatternProduction, arg));
}
void RecordObjectLiteralError(const Scanner::Location& loc,
MessageTemplate::Template message,
const char* arg = nullptr) {
if (has_object_literal_error()) return;
invalid_productions_ |= ObjectLiteralProduction;
Add(Error(loc, message, kObjectLiteralProduction, arg));
}
void RecordTailCallExpressionError(const Scanner::Location& loc,
MessageTemplate::Template message,
const char* arg = nullptr) {

17
src/parsing/parser-base.h
View File

@ -925,16 +925,8 @@ class ParserBase : public ParserBaseTraits<Impl> {
}
void ValidateExpression(const ExpressionClassifier* classifier, bool* ok) {
if (!classifier->is_valid_expression() ||
classifier->has_object_literal_error()) {
const Scanner::Location& a = classifier->expression_error().location;
const Scanner::Location& b =
classifier->object_literal_error().location;
if (a.beg_pos < 0 || (b.beg_pos >= 0 && a.beg_pos > b.beg_pos)) {
ReportClassifierError(classifier->object_literal_error());
} else {
if (!classifier->is_valid_expression()) {
ReportClassifierError(classifier->expression_error());
}
*ok = false;
}
}
@ -2035,7 +2027,7 @@ ParserBase<Impl>::ParsePropertyDefinition(
classifier->AccumulateFormalParameterContainmentErrors(&rhs_classifier);
value = factory()->NewAssignment(Token::ASSIGN, lhs, rhs,
kNoSourcePosition);
classifier->RecordObjectLiteralError(
classifier->RecordExpressionError(
Scanner::Location(next_beg_pos, scanner()->location().end_pos),
MessageTemplate::kInvalidCoverInitializedName);
@ -2416,7 +2408,6 @@ ParserBase<Impl>::ParseAssignmentExpression(bool accept_IN,
// This is definitely not an expression so don't accumulate
// expression-related errors.
productions &= ~(ExpressionClassifier::ExpressionProduction |
ExpressionClassifier::ObjectLiteralProduction |
ExpressionClassifier::TailCallExpressionProduction);
}
@ -3668,8 +3659,8 @@ void ParserBase<Impl>::ObjectLiteralChecker::CheckProperty(
if (type == kValueProperty && IsProto()) {
if (has_seen_proto_) {
classifier->RecordObjectLiteralError(
this->scanner()->location(), MessageTemplate::kDuplicateProto);
classifier->RecordExpressionError(this->scanner()->location(),
MessageTemplate::kDuplicateProto);
return;
}
has_seen_proto_ = true;