From 2822aca94d8a20c99ba0b9150ed036d39d809888 Mon Sep 17 00:00:00 2001
From: theoreticalbts <theoreticalbts@users.noreply.github.com>
Date: Tue, 9 Feb 2016 03:43:52 -0500
Subject: [PATCH] Implement rough Python regular expression based reflection
 checker #562

Ironically this doesn't use the member_enumerator implemented in previous commit
---
 programs/build_helpers/check_reflect.py | 132 ++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100755 programs/build_helpers/check_reflect.py

diff --git a/programs/build_helpers/check_reflect.py b/programs/build_helpers/check_reflect.py
new file mode 100755
index 00000000..d655b846
--- /dev/null
+++ b/programs/build_helpers/check_reflect.py
@@ -0,0 +1,132 @@
+#!/usr/bin/env python3
+
+import json
+import os
+import re
+import xml.etree.ElementTree as etree
+
+def process_node(path, node):
+    """
+    if node.tag == "TestCase":
+        if node.attrib.get("result", "UNKNOWN") != "passed":
+            failset.add(node)
+        return
+    if node.tag in ["TestResult", "TestSuite"]:
+        for child in node:
+            cpath = path+"/"+child.attrib["name"]
+            process_node(cpath, child)
+        return
+    """
+    #print("unknown node", node.tag)
+    print(node.tag)
+    return
+
+name2members_doxygen = {}
+
+def process_class_node(node):
+    result = {"name":"", "vmembers":[]}
+    for child in node:
+        if child.tag == "name":
+            result["name"] = child.text
+        elif child.tag == "member":
+            kind = child.attrib.get("kind")
+            if kind == "variable":
+                result["vmembers"].append(child[0].text)
+    name2members_doxygen[result["name"]] = result["vmembers"]
+    return
+
+tree = etree.parse("doxygen/xml/index.xml")
+root = tree.getroot()
+for child in root:
+    if (child.tag == "compound") and (child.attrib.get("kind") in ["struct", "class"]):
+        process_class_node(child)
+
+s_static_names = set(["space_id", "type_id"])
+
+for k, v in name2members_doxygen.items():
+    name2members_doxygen[k] = [x for x in v if x not in s_static_names]
+
+#with open("stuff/member_enumerator.out", "r") as f:
+#    name2members_fc = json.load(f)
+
+# scan for FC_REFLECT( graphene::... in all cpp,hpp files under libraries/ programs/ tests/
+
+re_reflect = re.compile(r"""
+FC_REFLECT\s*[(]
+\s*(graphene::[a-zA-Z0-9_:]+)
+\s*,
+((?:\s*[(]\s*[a-zA-Z0-9_]+\s*[)])*)
+""", re.VERBOSE)
+
+re_reflect_derived = re.compile(r"""
+FC_REFLECT_DERIVED\s*[(]
+\s*(graphene::[a-zA-Z0-9_:]+)
+\s*,
+\s*[(]\s*(graphene::[a-zA-Z0-9_:]+)\s*[)]
+\s*,
+((?:\s*[(]\s*[a-zA-Z0-9_]+\s*[)])*)
+""", re.VERBOSE)
+
+re_bubble_item = re.compile(r"\s*[(]\s*([a-zA-Z0-9_]+)\s*")
+
+def bubble_list(x):
+    return [re_bubble_item.match(e).group(1) for e in x.split(")")[:-1]]
+
+name2members_re = {}
+
+for root, dirs, files in os.walk("."):
+    if root == ".":
+        dirs[:] = ["libraries", "programs", "tests"]
+    for filename in files:
+        if not (filename.endswith(".cpp") or filename.endswith(".hpp")):
+            continue
+        try:
+            with open( os.path.join(root, filename), "r" ) as f:
+                content = f.read()
+                for m in re_reflect.finditer(content):
+                    cname = m.group(1)
+                    members = bubble_list(m.group(2))
+                    name2members_re[cname] = members
+                for m in re_reflect_derived.finditer(content):
+                    cname = m.group(1)
+                    members = bubble_list(m.group(3))
+                    name2members_re[cname] = members
+        except OSError as e:
+            pass
+
+def validate_members(name2members_ref, name2members_test):
+    ok_items = []
+    ne_items = []
+    error_items = []
+
+    for name in sorted(name2members_ref.keys()):
+        if name not in name2members_test:
+            ne_items.append(name)
+        elif sorted(name2members_ref[name]) != sorted(name2members_test[name]):
+            error_items.append(name)
+            print("")
+            print("error in", name)
+            print("doxygen:", name2members_ref[name])
+            print("fc     :", name2members_test[name])
+        else:
+            ok_items.append(name)
+    return
+
+"""
+print("")
+print("ok:")
+for item in ok_items:
+    print(item)
+
+print("")
+print("not evaluated:")
+for item in ne_items:
+    print(item)
+
+print("")
+print("error:")
+for item in error_items:
+    print(item)
+"""
+
+validate_members(name2members_doxygen, name2members_re)