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C++11: Fix parsing of trailing-type-specifier.

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In particular "auto foo() -> typename Foo<T>::X;" didn't parse.

Change-Id: I7665c9b387e222e4107f053a529d502813ebf617
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>
This commit is contained in:
Christian Kamm
2014-05-31 14:55:35 +02:00
parent 4ea8499fdc
commit eee94667e6
5 changed files with 38 additions and 20 deletions
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36
src/libs/3rdparty/cplusplus/Parser.cpp vendored
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@@ -1314,31 +1314,47 @@ bool Parser::parseTemplateArgument(ExpressionAST *&node)
return parsed;
}
/** Parses a sequence of
*
* storage-class-specifier (unless noStorageSpecifier is true)
* trailing-type-specifier, which contains
* cv-qualifier
* simple-type-specifier
* typename-specifier
* elaborated-type-specifier
*
* If onlySimpleTypeSpecifiers is true, it only eats simple-type-specifiers
* and cv-qualifiers.
*/
bool Parser::parseDeclSpecifierSeq(SpecifierListAST *&decl_specifier_seq,
bool onlyTypeSpecifiers,
bool simplified)
bool noStorageSpecifiers,
bool onlySimpleTypeSpecifiers)
{
DEBUG_THIS_RULE();
bool has_type_specifier = false;
NameAST *named_type_specifier = 0;
SpecifierListAST **decl_specifier_seq_ptr = &decl_specifier_seq;
for (;;) {
if (lookAtCVQualifier()) {
if (! noStorageSpecifiers && ! onlySimpleTypeSpecifiers && lookAtStorageClassSpecifier()) {
// storage-class-specifier
SimpleSpecifierAST *spec = new (_pool) SimpleSpecifierAST;
spec->specifier_token = consumeToken();
*decl_specifier_seq_ptr = new (_pool) SpecifierListAST(spec);
decl_specifier_seq_ptr = &(*decl_specifier_seq_ptr)->next;
} else if (! onlyTypeSpecifiers && lookAtStorageClassSpecifier()) {
} else if (lookAtCVQualifier()) {
// cv-qualifier
SimpleSpecifierAST *spec = new (_pool) SimpleSpecifierAST;
spec->specifier_token = consumeToken();
*decl_specifier_seq_ptr = new (_pool) SpecifierListAST(spec);
decl_specifier_seq_ptr = &(*decl_specifier_seq_ptr)->next;
} else if (! named_type_specifier && lookAtBuiltinTypeSpecifier()) {
// parts of simple-type-specifier
parseBuiltinTypeSpecifier(*decl_specifier_seq_ptr);
decl_specifier_seq_ptr = &(*decl_specifier_seq_ptr)->next;
has_type_specifier = true;
} else if (! has_type_specifier && (LA() == T_COLON_COLON ||
LA() == T_IDENTIFIER)) {
// parts of simple-type-specifier
if (! parseName(named_type_specifier))
return false;
NamedTypeSpecifierAST *spec = new (_pool) NamedTypeSpecifierAST;
@@ -1346,9 +1362,9 @@ bool Parser::parseDeclSpecifierSeq(SpecifierListAST *&decl_specifier_seq,
*decl_specifier_seq_ptr = new (_pool) SpecifierListAST(spec);
decl_specifier_seq_ptr = &(*decl_specifier_seq_ptr)->next;
has_type_specifier = true;
} else if (! simplified && ! has_type_specifier && (LA() == T_TYPENAME ||
LA() == T_ENUM ||
lookAtClassKey())) {
} else if (! onlySimpleTypeSpecifiers && ! has_type_specifier &&
(LA() == T_TYPENAME || LA() == T_ENUM || lookAtClassKey())) {
// typename-specifier, elaborated-type-specifier
unsigned startOfElaboratedTypeSpecifier = cursor();
if (! parseElaboratedTypeSpecifier(*decl_specifier_seq_ptr)) {
error(startOfElaboratedTypeSpecifier,
@@ -6472,12 +6488,6 @@ bool Parser::parseTrailingReturnType(TrailingReturnTypeAST *&node)
return true;
}
bool Parser::parseTrailingTypeSpecifierSeq(SpecifierListAST *&node)
{
DEBUG_THIS_RULE();
return parseSimpleTypeSpecifier(node);
}
void Parser::rewind(unsigned cursor)
{
#ifndef CPLUSPLUS_NO_DEBUG_RULE