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420857 - Part 1: Report the position of opening brace for missing brace error in function body.

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This commit is contained in:
Gaming4JC 2019-07-14 10:15:10 -04:00 • committed by Roy Tam
commit e5f1edc00c
4 changed files with 71 additions and 6 deletions
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44
js/src/frontend/Parser.cpp
View file

@ -1012,6 +1012,35 @@ Parser<ParseHandler>::hasValidSimpleStrictParameterNames()
return true;
}
template <typename ParseHandler>
void
Parser<ParseHandler>::reportMissingClosing(unsigned errorNumber, unsigned noteNumber,
uint32_t openedPos)
{
auto notes = MakeUnique<JSErrorNotes>();
if (!notes)
return;
uint32_t line, column;
tokenStream.srcCoords.lineNumAndColumnIndex(openedPos, &line, &column);
const size_t MaxWidth = sizeof("4294967295");
char columnNumber[MaxWidth];
SprintfLiteral(columnNumber, "%" PRIu32, column);
char lineNumber[MaxWidth];
SprintfLiteral(lineNumber, "%" PRIu32, line);
if (!notes->addNoteASCII(pc->sc()->context,
getFilename(), line, column,
GetErrorMessage, nullptr,
noteNumber, lineNumber, columnNumber))
{
return;
}
errorWithNotes(Move(notes), errorNumber);
}
template <typename ParseHandler>
void
Parser<ParseHandler>::reportRedeclaration(HandlePropertyName name, DeclarationKind prevKind,
@ -1039,11 +1068,11 @@ Parser<ParseHandler>::reportRedeclaration(HandlePropertyName name, DeclarationKi
char lineNumber[MaxWidth];
SprintfLiteral(lineNumber, "%" PRIu32, line);
if (!notes->addNoteLatin1(pc->sc()->context,
getFilename(), line, column,
GetErrorMessage, nullptr,
JSMSG_REDECLARED_PREV,
lineNumber, columnNumber))
if (!notes->addNoteASCII(pc->sc()->context,
getFilename(), line, column,
GetErrorMessage, nullptr,
JSMSG_REDECLARED_PREV,
lineNumber, columnNumber))
{
return;
}
@ -3613,6 +3642,7 @@ Parser<ParseHandler>::functionFormalParametersAndBody(InHandling inHandling,
TokenKind tt;
if (!tokenStream.getToken(&tt, TokenStream::Operand))
return false;
uint32_t openedPos = 0;
if (tt != TOK_LC) {
if ((funbox->isStarGenerator() && !funbox->isAsync()) || kind == Method ||
kind == GetterNoExpressionClosure || kind == SetterNoExpressionClosure ||
@ -3634,6 +3664,8 @@ Parser<ParseHandler>::functionFormalParametersAndBody(InHandling inHandling,
tokenStream.ungetToken();
bodyType = ExpressionBody;
funbox->setIsExprBody();
} else {
openedPos = pos().begin;
}
// Arrow function parameters inherit yieldHandling from the enclosing
@ -3675,7 +3707,7 @@ Parser<ParseHandler>::functionFormalParametersAndBody(InHandling inHandling,
if (!tokenStream.matchToken(&matched, TOK_RC, TokenStream::Operand))
return false;
if (!matched) {
error(JSMSG_CURLY_AFTER_BODY);
reportMissingClosing(JSMSG_CURLY_AFTER_BODY, JSMSG_CURLY_OPENED, openedPos);
return false;
}
funbox->setEnd(pos().end);

2
js/src/frontend/Parser.h
View file

@ -1459,6 +1459,8 @@ class Parser final : public ParserBase, private JS::AutoGCRooter
bool hasValidSimpleStrictParameterNames();
void reportMissingClosing(unsigned errorNumber, unsigned noteNumber, uint32_t openedPos);
void reportRedeclaration(HandlePropertyName name, DeclarationKind prevKind, TokenPos pos,
uint32_t prevPos);
bool notePositionalFormalParameter(Node fn, HandlePropertyName name, uint32_t beginPos,