Improve & simplify diagnostic for missing 'class' in template template parameter.
Change suggested by Sebastian Redl on review feedback from r153887. llvm-svn: 154102
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@ -479,8 +479,8 @@ def err_unknown_template_name : Error<
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"unknown template name %0">;
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def err_expected_comma_greater : Error<
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"expected ',' or '>' in template-parameter-list">;
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def err_expected_class_before : Error<"expected 'class' before '%0'">;
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def err_expected_class_instead : Error<"expected 'class' instead of '%0'">;
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def err_expected_class_on_template_template_param : Error<
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"template template parameters require 'class' after the argument list">;
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def err_template_spec_syntax_non_template : Error<
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"identifier followed by '<' indicates a class template specialization but "
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"%0 %select{does not refer to a template|refers to a function "
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@ -541,14 +541,12 @@ Parser::ParseTemplateTemplateParameter(unsigned Depth, unsigned Position) {
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// Generate a meaningful error if the user forgot to put class before the
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// identifier, comma, or greater.
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if (Tok.is(tok::kw_typename) || Tok.is(tok::kw_struct)) {
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Diag(Tok.getLocation(), diag::err_expected_class_instead)
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<< PP.getSpelling(Tok)
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Diag(Tok.getLocation(), diag::err_expected_class_on_template_template_param)
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<< FixItHint::CreateReplacement(Tok.getLocation(), "class");
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ConsumeToken();
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} else if (!Tok.is(tok::kw_class))
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Diag(Tok.getLocation(), diag::err_expected_class_before)
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<< PP.getSpelling(Tok)
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<< FixItHint::CreateInsertion(Tok.getLocation(), "class ");
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Diag(Tok.getLocation(), diag::err_expected_class_on_template_template_param)
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<< FixItHint::CreateInsertion(Tok.getLocation(), "class ");
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else
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ConsumeToken();
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@ -200,7 +200,7 @@ template<class T> typedef Mystery<T>::type getMysteriousThing() { // \
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return Mystery<T>::get();
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}
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template<template<typename> Foo, // expected-error {{expected 'class' before 'Foo'}}
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template<typename> typename Bar, // expected-error {{expected 'class' instead of 'typename'}}
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template<typename> struct Baz> // expected-error {{expected 'class' instead of 'struct'}}
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template<template<typename> Foo, // expected-error {{template template parameters require 'class' after the argument list}}
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template<typename> typename Bar, // expected-error {{template template parameters require 'class' after the argument list}}
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template<typename> struct Baz> // expected-error {{template template parameters require 'class' after the argument list}}
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void func();
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@ -11,8 +11,8 @@ template < ; // expected-error {{parse error}} \
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// expected-warning {{declaration does not declare anything}}
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template <template X> struct Err1; // expected-error {{expected '<' after 'template'}} \
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// expected-error{{extraneous}}
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template <template <typename> > struct Err2; // expected-error {{expected 'class' before '>'}}
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template <template <typename> Foo> struct Err3; // expected-error {{expected 'class' before 'Foo'}}
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template <template <typename> > struct Err2; // expected-error {{template template parameters require 'class' after the argument list}}
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template <template <typename> Foo> struct Err3; // expected-error {{template template parameters require 'class' after the argument list}}
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// Template function declarations
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template <typename T> void foo();
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