refactor enough of the top-level parsing logic to parse and
ignore 'namespace foo {}'
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41400 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Parse/ParseDeclCXX.cpp b/Parse/ParseDeclCXX.cpp
new file mode 100644
index 0000000..50f0c2a
--- /dev/null
+++ b/Parse/ParseDeclCXX.cpp
@@ -0,0 +1,79 @@
+//===--- ParseDeclCXX.cpp - C++ Declaration Parsing -----------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Chris Lattner and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the C++ Declaration portions of the Parser interfaces.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Parse/Parser.h"
+#include "clang/Parse/Scope.h"
+#include "clang/Basic/Diagnostic.h"
+using namespace clang;
+
+/// ParseNamespace - We know that the current token is a namespace keyword. This
+/// may either be a top level namespace or a block-level namespace alias.
+///
+/// namespace-definition: [C++ 7.3: basic.namespace]
+/// named-namespace-definition
+/// unnamed-namespace-definition
+///
+/// unnamed-namespace-definition:
+/// 'namespace' attributes[opt] '{' namespace-body '}'
+///
+/// named-namespace-definition:
+/// original-namespace-definition
+/// extension-namespace-definition
+///
+/// original-namespace-definition:
+/// 'namespace' identifier attributes[opt] '{' namespace-body '}'
+///
+/// extension-namespace-definition:
+/// 'namespace' original-namespace-name '{' namespace-body '}'
+///
+/// namespace-alias-definition: [C++ 7.3.2: namespace.alias]
+/// 'namespace' identifier '=' qualified-namespace-specifier ';'
+///
+Parser::DeclTy *Parser::ParseNamespace(unsigned Context) {
+ assert(Tok.getKind() == tok::kw_namespace && "Not a namespace!");
+ SourceLocation NamespaceLoc = ConsumeToken(); // eat the 'namespace'.
+
+ SourceLocation IdentLoc;
+ IdentifierInfo *Ident = 0;
+
+ if (Tok.getKind() == tok::identifier) {
+ Ident = Tok.getIdentifierInfo();
+ IdentLoc = ConsumeToken(); // eat the identifier.
+ }
+
+ // Read label attributes, if present.
+ DeclTy *AttrList = 0;
+ if (Tok.getKind() == tok::kw___attribute)
+ // FIXME: save these somewhere.
+ AttrList = ParseAttributes();
+
+ if (Tok.getKind() == tok::equal) {
+ // FIXME: Verify no attributes were present.
+ // FIXME: parse this.
+ } else if (Tok.getKind() == tok::l_brace) {
+ SourceLocation LBrace = ConsumeBrace();
+ // FIXME: push a scope, push a namespace decl.
+
+ // FIXME: Parse namespace-body
+
+ SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace);
+
+ // FIXME: act on this.
+ } else {
+ unsigned D = Ident ? diag::err_expected_lbrace :
+ diag::err_expected_ident_lbrace;
+ Diag(Tok.getLocation(), D);
+ }
+
+ return 0;
+}