Added child_begin/child_end to all subclasses of Stmt in Stmt.h. All
concrete subclasses of Stmt are now required to implement
child_begin/child_end.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41374 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/AST/Stmt.cpp b/AST/Stmt.cpp
index d56a026..2837034 100644
--- a/AST/Stmt.cpp
+++ b/AST/Stmt.cpp
@@ -72,3 +72,73 @@
return getID()->getName();
}
+//===----------------------------------------------------------------------===//
+// Child Iterators for iterating over subexpressions/substatements
+//===----------------------------------------------------------------------===//
+
+// DeclStmt
+Stmt::child_iterator DeclStmt::child_begin() { return NULL; }
+Stmt::child_iterator DeclStmt::child_end() { return NULL; }
+
+// NullStmt
+Stmt::child_iterator NullStmt::child_begin() { return NULL; }
+Stmt::child_iterator NullStmt::child_end() { return NULL; }
+
+// CompoundStmt
+Stmt::child_iterator CompoundStmt::child_begin() { return &Body[0]; }
+Stmt::child_iterator CompoundStmt::child_end() { return &Body[0]+Body.size(); }
+
+// SwitchCase
+Stmt::child_iterator SwitchCase::child_begin() { return &SubStmt; }
+Stmt::child_iterator SwitchCase::child_end() { return child_begin()+1; }
+
+// LabelStmt
+Stmt::child_iterator LabelStmt::child_begin() { return &SubStmt; }
+Stmt::child_iterator LabelStmt::child_end() { return child_begin()+1; }
+
+// IfStmt
+Stmt::child_iterator IfStmt::child_begin() { return &SubExprs[0]; }
+Stmt::child_iterator IfStmt::child_end() { return &SubExprs[0]+END_EXPR; }
+
+// SwitchStmt
+Stmt::child_iterator SwitchStmt::child_begin() { return &SubExprs[0]; }
+Stmt::child_iterator SwitchStmt::child_end() { return &SubExprs[0]+END_EXPR; }
+
+// WhileStmt
+Stmt::child_iterator WhileStmt::child_begin() { return &SubExprs[0]; }
+Stmt::child_iterator WhileStmt::child_end() { return &SubExprs[0]+END_EXPR; }
+
+// DoStmt
+Stmt::child_iterator DoStmt::child_begin() { return &SubExprs[0]; }
+Stmt::child_iterator DoStmt::child_end() { return &SubExprs[0]+END_EXPR; }
+
+// ForStmt
+Stmt::child_iterator ForStmt::child_begin() { return &SubExprs[0]; }
+Stmt::child_iterator ForStmt::child_end() { return &SubExprs[0]+END_EXPR; }
+
+// GotoStmt
+Stmt::child_iterator GotoStmt::child_begin() { return NULL; }
+Stmt::child_iterator GotoStmt::child_end() { return NULL; }
+
+// IndirectGotoStmt
+Stmt::child_iterator IndirectGotoStmt::child_begin() {
+ return reinterpret_cast<Stmt**>(&Target);
+}
+
+Stmt::child_iterator IndirectGotoStmt::child_end() { return child_begin()+1; }
+
+// ContinueStmt
+Stmt::child_iterator ContinueStmt::child_begin() { return NULL; }
+Stmt::child_iterator ContinueStmt::child_end() { return NULL; }
+
+// BreakStmt
+Stmt::child_iterator BreakStmt::child_begin() { return NULL; }
+Stmt::child_iterator BreakStmt::child_end() { return NULL; }
+
+// ReturnStmt
+Stmt::child_iterator ReturnStmt::child_begin() {
+ return reinterpret_cast<Stmt**>(&RetExpr);
+}
+
+Stmt::child_iterator ReturnStmt::child_end() { return child_begin()+1; }
+