wip: add type metadata to ast output

vyper/ast/nodes.py

@@ -409,7 +409,7 @@ def to_dict(self) -> dict:
                 ast_dict[key] = _to_dict(value)
 
         if "type" in self._metadata:
-            ast_dict["type"] = str(self._metadata["type"])
+            ast_dict["type"] = self._metadata["type"].to_json()
 
         return ast_dict
 

vyper/compiler/output.py

@@ -18,7 +18,7 @@
 def build_ast_dict(compiler_data: CompilerData) -> dict:
     ast_dict = {
         "contract_name": compiler_data.contract_name,
-        "ast": ast_to_dict(compiler_data.vyper_module),
+        "ast": ast_to_dict(compiler_data.vyper_module_folded),
     }
     return ast_dict
 

vyper/semantics/types/base.py

@@ -300,6 +300,9 @@ def get_member(self, key: str, node: vy_ast.VyperNode) -> "VyperType":
     def __repr__(self):
         return self._id
 
+    def to_json(self):
+        return repr(self)  # very simple implementation
+
 
 class KwargSettings:
     # convenience class which holds metadata about how to process kwargs.
@@ -313,6 +316,9 @@ def __init__(self, typ, default, require_literal=False):
         self.default = default
         self.require_literal = require_literal
 
+    def to_json(self):
+        return repr(self)  # very simple implementation
+
 
 # A type type. Used internally for types which can live in expression
 # position, ex. constructors (events, interfaces and structs), and also
@@ -324,6 +330,9 @@ def __init__(self, typedef):
     def __repr__(self):
         return f"type({self.typedef})"
 
+    def to_json(self):
+        return {"type_t": self.typedef.to_json()}
+
     # dispatch into ctor if it's called
     def fetch_call_return(self, node):
         if hasattr(self.typedef, "_ctor_call_return"):