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2 files changed

+93
-89
lines changed

2 files changed

+93
-89
lines changed

‎clang/lib/Parse/ParseExprCXX.cpp‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -560,7 +560,8 @@ bool Parser::ParseOptionalCXXScopeSpecifier(
560560

561561
if (MemberOfUnknownSpecialization && !Disambiguation &&
562562
(ObjectType || SS.isSet()) &&
563-
(IsTypename || isTemplateArgumentList(1, TNK_Non_template) == TPResult::True)) {
563+
(IsTypename ||
564+
isTemplateArgumentList(1, TNK_Non_template) == TPResult::True)) {
564565
// If we had errors before, ObjectType can be dependent even without any
565566
// templates. Do not report missing template keyword in that case.
566567
if (!ObjectHadErrors) {

‎clang/lib/Parse/ParseTentative.cpp‎

Lines changed: 91 additions & 88 deletions
Original file line numberDiff line numberDiff line change
@@ -11,8 +11,8 @@
1111
//
1212
//===----------------------------------------------------------------------===//
1313

14-
#include "clang/Parse/Parser.h"
1514
#include "clang/Parse/ParseDiagnostic.h"
15+
#include "clang/Parse/Parser.h"
1616
#include "clang/Parse/RAIIObjectsForParser.h"
1717
#include "clang/Sema/ParsedTemplate.h"
1818
using namespace clang;
@@ -1016,8 +1016,7 @@ Parser::TPResult Parser::TryParseNonConversionOperatorId() {
10161016
return TPResult::False;
10171017
}
10181018
Parser::TPResult Parser::TryParseOperatorId() {
1019-
if (TPResult TPR = TryParseNonConversionOperatorId();
1020-
TPR != TPResult::False)
1019+
if (TPResult TPR = TryParseNonConversionOperatorId(); TPR != TPResult::False)
10211020
return TPR;
10221021

10231022
// Maybe this is a conversion-function-id.
@@ -2314,7 +2313,8 @@ Parser::TPResult Parser::TryParseBracketDeclarator() {
23142313
/// of a template-id or simple-template-id, rather than a less-than comparison.
23152314
/// This will often fail and produce an ambiguity, but should never be wrong
23162315
/// if it returns True or False.
2317-
Parser::TPResult Parser::isTemplateArgumentList(unsigned TokensToSkip, TemplateNameKind TNK) {
2316+
Parser::TPResult Parser::isTemplateArgumentList(unsigned TokensToSkip,
2317+
TemplateNameKind TNK) {
23182318
if (!TokensToSkip) {
23192319
if (Tok.isNot(tok::less))
23202320
return TPResult::False;
@@ -2340,50 +2340,50 @@ Parser::TPResult Parser::isTemplateArgumentList(unsigned TokensToSkip, TemplateN
23402340
unsigned TemplateDepth = 0;
23412341
while (true) {
23422342
switch (Tok.getKind()) {
2343-
case tok::eof:
2344-
case tok::annot_module_begin:
2345-
case tok::annot_module_end:
2346-
case tok::annot_module_include:
2347-
case tok::annot_repl_input_end:
2348-
case tok::semi:
2349-
return TPResult::False;
2350-
2351-
case tok::comma:
2352-
case tok::greater:
2353-
case tok::greatergreater:
2354-
case tok::greatergreatergreater:
2355-
return TPResult::True;
2343+
case tok::eof:
2344+
case tok::annot_module_begin:
2345+
case tok::annot_module_end:
2346+
case tok::annot_module_include:
2347+
case tok::annot_repl_input_end:
2348+
case tok::semi:
2349+
return TPResult::False;
23562350

2357-
case tok::l_paren:
2358-
ConsumeParen();
2359-
if (!SkipUntil(tok::r_paren, StopAtSemi))
2360-
return TPResult::Error;
2361-
break;
2362-
case tok::l_brace:
2363-
ConsumeBrace();
2364-
if (!SkipUntil(tok::r_brace, StopAtSemi))
2365-
return TPResult::Error;
2366-
break;
2367-
case tok::l_square:
2368-
ConsumeBracket();
2369-
if (!SkipUntil(tok::r_square, StopAtSemi))
2370-
return TPResult::Error;
2371-
break;
2372-
case tok::question:
2351+
case tok::comma:
2352+
case tok::greater:
2353+
case tok::greatergreater:
2354+
case tok::greatergreatergreater:
2355+
return TPResult::True;
2356+
2357+
case tok::l_paren:
2358+
ConsumeParen();
2359+
if (!SkipUntil(tok::r_paren, StopAtSemi))
2360+
return TPResult::Error;
2361+
break;
2362+
case tok::l_brace:
2363+
ConsumeBrace();
2364+
if (!SkipUntil(tok::r_brace, StopAtSemi))
2365+
return TPResult::Error;
2366+
break;
2367+
case tok::l_square:
2368+
ConsumeBracket();
2369+
if (!SkipUntil(tok::r_square, StopAtSemi))
2370+
return TPResult::Error;
2371+
break;
2372+
case tok::question:
23732373
ConsumeToken();
23742374
if (!SkipUntil(tok::colon, StopAtSemi))
2375-
return TPResult::Error;
2375+
return TPResult::Error;
23762376
break;
23772377

2378-
#if 0
2378+
#if 0
23792379
case tok::kw_template:
23802380
ConsumeToken();
23812381
NextIsTemplateId = true;
23822382
continue;
2383-
#endif
2384-
case tok::identifier:
2385-
ConsumeToken();
2386-
#if 0
2383+
#endif
2384+
case tok::identifier:
2385+
ConsumeToken();
2386+
#if 0
23872387
if (Tok.is(tok::less)) {
23882388
if (!NextIsTemplateId)
23892389
return TPResult::Ambiguous;
@@ -2392,23 +2392,23 @@ Parser::TPResult Parser::isTemplateArgumentList(unsigned TokensToSkip, TemplateN
23922392
return TPResult::Error;
23932393
break;
23942394
}
2395-
#else
2395+
#else
2396+
if (Tok.is(tok::less))
2397+
return TPResult::Ambiguous;
2398+
break;
2399+
#endif
2400+
2401+
case tok::kw_operator:
2402+
if (TPResult TPR = TryParseNonConversionOperatorId();
2403+
TPR == TPResult::Error) {
2404+
return TPResult::Error;
2405+
} else if (TPR == TPResult::True) {
23962406
if (Tok.is(tok::less))
23972407
return TPResult::Ambiguous;
2398-
break;
2399-
#endif
2400-
2401-
case tok::kw_operator:
2402-
if (TPResult TPR = TryParseNonConversionOperatorId();
2403-
TPR == TPResult::Error) {
2404-
return TPResult::Error;
2405-
} else if (TPR == TPResult::True) {
2406-
if (Tok.is(tok::less))
2407-
return TPResult::Ambiguous;
2408-
}
2409-
break;
2408+
}
2409+
break;
24102410

2411-
#if 0
2411+
#if 0
24122412
if (Tok.is(tok::less)) {
24132413
if (!NextIsTemplateId)
24142414
return TPResult::Ambiguous;
@@ -2417,40 +2417,42 @@ Parser::TPResult Parser::isTemplateArgumentList(unsigned TokensToSkip, TemplateN
24172417
return TPResult::Error;
24182418
}
24192419
break;
2420-
#endif
2420+
#endif
24212421

2422-
case tok::kw_const_cast:
2423-
case tok::kw_dynamic_cast:
2424-
case tok::kw_reinterpret_cast:
2425-
case tok::kw_static_cast: {
2426-
ConsumeToken();
2427-
if (!TryConsumeToken(tok::less))
2428-
return TPResult::Error;
2429-
bool MayHaveTrailingReturnType = Tok.is(tok::kw_auto);
2430-
2431-
while (true) {
2432-
TPResult TPR = isCXXDeclarationSpecifier(ImplicitTypenameContext::Yes);
2433-
if (TPR == TPResult::False)
2434-
break;
2435-
if (TPR == TPResult::Error ||
2436-
TryConsumeDeclarationSpecifier() == TPResult::Error)
2437-
return TPResult::Error;
2438-
}
2439-
2440-
if (TryParseDeclarator(
2441-
/*mayBeAbstract=*/true,
2442-
/*mayHaveIdentifier=*/false,
2443-
/*mayHaveDirectInit=*/false,
2444-
/*mayHaveTrailingReturnType=*/MayHaveTrailingReturnType) == TPResult::Error)
2445-
return TPResult::Error;
2422+
case tok::kw_const_cast:
2423+
case tok::kw_dynamic_cast:
2424+
case tok::kw_reinterpret_cast:
2425+
case tok::kw_static_cast: {
2426+
ConsumeToken();
2427+
if (!TryConsumeToken(tok::less))
2428+
return TPResult::Error;
2429+
bool MayHaveTrailingReturnType = Tok.is(tok::kw_auto);
24462430

2447-
if (!TryConsumeToken(tok::greater))
2431+
while (true) {
2432+
TPResult TPR =
2433+
isCXXDeclarationSpecifier(ImplicitTypenameContext::Yes);
2434+
if (TPR == TPResult::False)
2435+
break;
2436+
if (TPR == TPResult::Error ||
2437+
TryConsumeDeclarationSpecifier() == TPResult::Error)
24482438
return TPResult::Error;
2449-
break;
24502439
}
2451-
default:
2452-
ConsumeAnyToken();
2453-
break;
2440+
2441+
if (TryParseDeclarator(
2442+
/*mayBeAbstract=*/true,
2443+
/*mayHaveIdentifier=*/false,
2444+
/*mayHaveDirectInit=*/false,
2445+
/*mayHaveTrailingReturnType=*/MayHaveTrailingReturnType) ==
2446+
TPResult::Error)
2447+
return TPResult::Error;
2448+
2449+
if (!TryConsumeToken(tok::greater))
2450+
return TPResult::Error;
2451+
break;
2452+
}
2453+
default:
2454+
ConsumeAnyToken();
2455+
break;
24542456
}
24552457
NextIsTemplateId = false;
24562458
}
@@ -2466,9 +2468,10 @@ Parser::TPResult Parser::isTemplateArgumentList(unsigned TokensToSkip, TemplateN
24662468
return TPResult::Error;
24672469

24682470
bool InvalidAsTemplateArgumentList = false;
2469-
TPResult TPR = isCXXDeclarationSpecifier(ImplicitTypenameContext::No,
2470-
/*BracedCastResult=*/TPResult::Ambiguous,
2471-
&InvalidAsTemplateArgumentList);
2471+
TPResult TPR =
2472+
isCXXDeclarationSpecifier(ImplicitTypenameContext::No,
2473+
/*BracedCastResult=*/TPResult::Ambiguous,
2474+
&InvalidAsTemplateArgumentList);
24722475
if (InvalidAsTemplateArgumentList)
24732476
return TPResult::False;
24742477

@@ -2505,7 +2508,7 @@ Parser::TPResult Parser::isTemplateArgumentList(unsigned TokensToSkip, TemplateN
25052508
}
25062509
}
25072510

2508-
#if 0
2511+
#if 0
25092512
// We can't do much to tell an expression apart from a template-argument,
25102513
// but one good distinguishing factor is that a "decl-specifier" not
25112514
// followed by '(' or '{' can't appear in an expression.
@@ -2516,7 +2519,7 @@ Parser::TPResult Parser::isTemplateArgumentList(unsigned TokensToSkip, TemplateN
25162519
return TPResult::True;
25172520
if (InvalidAsTemplateArgumentList)
25182521
return TPResult::False;
2519-
#endif
2522+
#endif
25202523

25212524
// FIXME: In many contexts, X<thing1, Type> can only be a
25222525
// template-argument-list. But that's not true in general:

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