Implement #pragma GCC visibility.
llvm-svn: 110315
diff --git a/clang/lib/Parse/ParsePragma.cpp b/clang/lib/Parse/ParsePragma.cpp
index e414e4f..c53b2e4 100644
--- a/clang/lib/Parse/ParsePragma.cpp
+++ b/clang/lib/Parse/ParsePragma.cpp
@@ -18,6 +18,59 @@
#include "clang/Parse/Parser.h"
using namespace clang;
+
+// #pragma GCC visibility comes in two variants:
+// 'push' '(' [visibility] ')'
+// 'pop'
+void PragmaGCCVisibilityHandler::HandlePragma(Preprocessor &PP, Token &VisTok) {
+ SourceLocation VisLoc = VisTok.getLocation();
+
+ Token Tok;
+ PP.Lex(Tok);
+
+ const IdentifierInfo *PushPop = Tok.getIdentifierInfo();
+
+ bool IsPush;
+ const IdentifierInfo *VisType;
+ if (PushPop && PushPop->isStr("pop")) {
+ IsPush = false;
+ VisType = 0;
+ } else if (PushPop && PushPop->isStr("push")) {
+ IsPush = true;
+ PP.Lex(Tok);
+ if (Tok.isNot(tok::l_paren)) {
+ PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_lparen)
+ << "visibility";
+ return;
+ }
+ PP.Lex(Tok);
+ VisType = Tok.getIdentifierInfo();
+ if (!VisType) {
+ PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_identifier)
+ << "visibility";
+ return;
+ }
+ PP.Lex(Tok);
+ if (Tok.isNot(tok::r_paren)) {
+ PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_rparen)
+ << "visibility";
+ return;
+ }
+ } else {
+ PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_identifier)
+ << "visibility";
+ return;
+ }
+ PP.Lex(Tok);
+ if (Tok.isNot(tok::eom)) {
+ PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol)
+ << "visibility";
+ return;
+ }
+
+ Actions.ActOnPragmaVisibility(IsPush, VisType, VisLoc);
+}
+
// #pragma pack(...) comes in the following delicious flavors:
// pack '(' [integer] ')'
// pack '(' 'show' ')'