Add placeholder support for raise

trans/transpiler/phases/emit_cpp/function.py

@@ -113,6 +113,11 @@ class FunctionVisitor(BlockVisitor):
             #yield from self.visit(handler)
             pass
             # todo
+
+    def visit_Raise(self, node: ast.Raise) -> Iterable[str]:
+        yield "// raise"
+        # TODO
+
     def visit_FunctionDef(self, node: ast.FunctionDef) -> Iterable[str]:
         yield "auto"
         yield self.fix_name(node.name)

trans/transpiler/phases/typing/block.py

@@ -330,4 +330,10 @@ class ScoperBlockVisitor(ScoperVisitor):
             else_visitor = ScoperBlockVisitor(else_scope, self.root_decls)
             else_visitor.visit_block(node.orelse)
         if node.finalbody:
-            raise NotImplementedError(node.finalbody)
\ No newline at end of file
+            raise NotImplementedError(node.finalbody)
+
+    def visit_Raise(self, node: ast.Raise):
+        if node.exc:
+            self.expr().visit(node.exc)
+        if node.cause:
+            self.expr().visit(node.cause)
\ No newline at end of file