Parsing/AST support for Structured Exception Handling

Patch authored by Sohail Somani.

Provide parsing and AST support for Windows structured exception handling.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130366 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 33 insertions, 0 deletions

diff --git a/lib/Sema/SemaStmt.cpp b/lib/Sema/SemaStmt.cpp
index 38f3bf9e92..65cea7a69d 100644
--- a/lib/Sema/SemaStmt.cpp
+++ b/lib/Sema/SemaStmt.cpp
@@ -2231,3 +2231,36 @@ Sema::ActOnCXXTryBlock(SourceLocation TryLoc, Stmt *TryBlock,
   return Owned(CXXTryStmt::Create(Context, TryLoc, TryBlock,
                                   Handlers, NumHandlers));
 }
+
+StmtResult
+Sema::ActOnSEHTryBlock(bool IsCXXTry,
+                       SourceLocation TryLoc,
+                       Stmt *TryBlock,
+                       Stmt *Handler) {
+  assert(TryBlock && Handler);
+
+  getCurFunction()->setHasBranchProtectedScope();
+
+  return Owned(SEHTryStmt::Create(Context,IsCXXTry,TryLoc,TryBlock,Handler));
+}
+
+StmtResult
+Sema::ActOnSEHExceptBlock(SourceLocation Loc,
+                          Expr *FilterExpr,
+                          Stmt *Block) {
+  assert(FilterExpr && Block);
+
+  if(!FilterExpr->getType()->isIntegerType()) {
+    return StmtError(Diag(FilterExpr->getExprLoc(), diag::err_filter_expression_integral) << FilterExpr->getType());
+  }
+
+  return Owned(SEHExceptStmt::Create(Context,Loc,FilterExpr,Block));
+}
+
+StmtResult
+Sema::ActOnSEHFinallyBlock(SourceLocation Loc,
+                           Stmt *Block) {
+  assert(Block);
+  return Owned(SEHFinallyStmt::Create(Context,Loc,Block));
+}
+