зеркало из https://github.com/microsoft/clang-1.git
83 строки
2.7 KiB
C++
83 строки
2.7 KiB
C++
//===--- ParseDeclCXX.cpp - C++ Declaration Parsing -----------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Chris Lattner and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the C++ Declaration portions of the Parser interfaces.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Parse/Parser.h"
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#include "clang/Parse/Scope.h"
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#include "clang/Basic/Diagnostic.h"
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using namespace clang;
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/// ParseNamespace - We know that the current token is a namespace keyword. This
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/// may either be a top level namespace or a block-level namespace alias.
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///
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/// namespace-definition: [C++ 7.3: basic.namespace]
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/// named-namespace-definition
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/// unnamed-namespace-definition
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///
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/// unnamed-namespace-definition:
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/// 'namespace' attributes[opt] '{' namespace-body '}'
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///
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/// named-namespace-definition:
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/// original-namespace-definition
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/// extension-namespace-definition
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///
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/// original-namespace-definition:
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/// 'namespace' identifier attributes[opt] '{' namespace-body '}'
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///
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/// extension-namespace-definition:
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/// 'namespace' original-namespace-name '{' namespace-body '}'
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///
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/// namespace-alias-definition: [C++ 7.3.2: namespace.alias]
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/// 'namespace' identifier '=' qualified-namespace-specifier ';'
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///
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Parser::DeclTy *Parser::ParseNamespace(unsigned Context) {
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assert(Tok.is(tok::kw_namespace) && "Not a namespace!");
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SourceLocation NamespaceLoc = ConsumeToken(); // eat the 'namespace'.
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SourceLocation IdentLoc;
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IdentifierInfo *Ident = 0;
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if (Tok.is(tok::identifier)) {
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Ident = Tok.getIdentifierInfo();
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IdentLoc = ConsumeToken(); // eat the identifier.
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}
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// Read label attributes, if present.
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DeclTy *AttrList = 0;
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if (Tok.is(tok::kw___attribute))
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// FIXME: save these somewhere.
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AttrList = ParseAttributes();
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if (Tok.is(tok::equal)) {
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// FIXME: Verify no attributes were present.
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// FIXME: parse this.
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} else if (Tok.is(tok::l_brace)) {
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SourceLocation LBrace = ConsumeBrace();
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// FIXME: push a scope, push a namespace decl.
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while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) {
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// FIXME capture the decls.
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ParseExternalDeclaration();
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}
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SourceLocation RBrace = MatchRHSPunctuation(tok::r_brace, LBrace);
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// FIXME: act on this.
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} else {
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unsigned D = Ident ? diag::err_expected_lbrace :
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diag::err_expected_ident_lbrace;
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Diag(Tok.getLocation(), D);
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}
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return 0;
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}
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