r321899 - Add AST dumping support for _Generic expressions.
Richard Smith via cfe-commits
cfe-commits at lists.llvm.org
Fri Jan 5 13:31:08 PST 2018
Author: rsmith
Date: Fri Jan 5 13:31:07 2018
New Revision: 321899
URL: http://llvm.org/viewvc/llvm-project?rev=321899&view=rev
Log:
Add AST dumping support for _Generic expressions.
Modified:
cfe/trunk/lib/AST/ASTDumper.cpp
Modified: cfe/trunk/lib/AST/ASTDumper.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/ASTDumper.cpp?rev=321899&r1=321898&r2=321899&view=diff
==============================================================================
--- cfe/trunk/lib/AST/ASTDumper.cpp (original)
+++ cfe/trunk/lib/AST/ASTDumper.cpp Fri Jan 5 13:31:07 2018
@@ -539,6 +539,7 @@ namespace {
void VisitAddrLabelExpr(const AddrLabelExpr *Node);
void VisitBlockExpr(const BlockExpr *Node);
void VisitOpaqueValueExpr(const OpaqueValueExpr *Node);
+ void VisitGenericSelectionExpr(const GenericSelectionExpr *E);
// C++
void VisitCXXNamedCastExpr(const CXXNamedCastExpr *Node);
@@ -1946,10 +1947,15 @@ void ASTDumper::dumpStmt(const Stmt *S)
return;
}
+ // Some statements have custom mechanisms for dumping their children.
if (const DeclStmt *DS = dyn_cast<DeclStmt>(S)) {
VisitDeclStmt(DS);
return;
}
+ if (const GenericSelectionExpr *GSE = dyn_cast<GenericSelectionExpr>(S)) {
+ VisitGenericSelectionExpr(GSE);
+ return;
+ }
ConstStmtVisitor<ASTDumper>::Visit(S);
@@ -2272,6 +2278,32 @@ void ASTDumper::VisitOpaqueValueExpr(con
dumpStmt(Source);
}
+void ASTDumper::VisitGenericSelectionExpr(const GenericSelectionExpr *E) {
+ VisitExpr(E);
+ if (E->isResultDependent())
+ OS << " result_dependent";
+ dumpStmt(E->getControllingExpr());
+ dumpTypeAsChild(E->getControllingExpr()->getType()); // FIXME: remove
+
+ for (unsigned I = 0, N = E->getNumAssocs(); I != N; ++I) {
+ dumpChild([=] {
+ if (const TypeSourceInfo *TSI = E->getAssocTypeSourceInfo(I)) {
+ OS << "case ";
+ dumpType(TSI->getType());
+ } else {
+ OS << "default";
+ }
+
+ if (!E->isResultDependent() && E->getResultIndex() == I)
+ OS << " selected";
+
+ if (const TypeSourceInfo *TSI = E->getAssocTypeSourceInfo(I))
+ dumpTypeAsChild(TSI->getType());
+ dumpStmt(E->getAssocExpr(I));
+ });
+ }
+}
+
// GNU extensions.
void ASTDumper::VisitAddrLabelExpr(const AddrLabelExpr *Node) {
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