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
diff --git a/lib/AST/StmtPrinter.cpp b/lib/AST/StmtPrinter.cpp
index 62f06db..fa0e091 100644
--- a/lib/AST/StmtPrinter.cpp
+++ b/lib/AST/StmtPrinter.cpp
@@ -66,6 +66,8 @@
void PrintRawIfStmt(IfStmt *If);
void PrintRawCXXCatchStmt(CXXCatchStmt *Catch);
void PrintCallArgs(CallExpr *E);
+ void PrintRawSEHExceptHandler(SEHExceptStmt *S);
+ void PrintRawSEHFinallyStmt(SEHFinallyStmt *S);
void PrintExpr(Expr *E) {
if (E)
@@ -473,6 +475,46 @@
OS << "\n";
}
+void StmtPrinter::VisitSEHTryStmt(SEHTryStmt *Node) {
+ Indent() << (Node->getIsCXXTry() ? "try " : "__try ");
+ PrintRawCompoundStmt(Node->getTryBlock());
+ SEHExceptStmt *E = Node->getExceptHandler();
+ SEHFinallyStmt *F = Node->getFinallyHandler();
+ if(E)
+ PrintRawSEHExceptHandler(E);
+ else {
+ assert(F && "Must have a finally block...");
+ PrintRawSEHFinallyStmt(F);
+ }
+ OS << "\n";
+}
+
+void StmtPrinter::PrintRawSEHFinallyStmt(SEHFinallyStmt *Node) {
+ OS << "__finally ";
+ PrintRawCompoundStmt(Node->getBlock());
+ OS << "\n";
+}
+
+void StmtPrinter::PrintRawSEHExceptHandler(SEHExceptStmt *Node) {
+ OS << "__except (";
+ VisitExpr(Node->getFilterExpr());
+ OS << ")\n";
+ PrintRawCompoundStmt(Node->getBlock());
+ OS << "\n";
+}
+
+void StmtPrinter::VisitSEHExceptStmt(SEHExceptStmt *Node) {
+ Indent();
+ PrintRawSEHExceptHandler(Node);
+ OS << "\n";
+}
+
+void StmtPrinter::VisitSEHFinallyStmt(SEHFinallyStmt *Node) {
+ Indent();
+ PrintRawSEHFinallyStmt(Node);
+ OS << "\n";
+}
+
//===----------------------------------------------------------------------===//
// Expr printing methods.
//===----------------------------------------------------------------------===//