#!/bin/bash
cd "$(dirname "$0")"
python3 - <<'PY'
import json, collections, re
e716=collections.Counter(); e599=collections.Counter(); e425=collections.Counter()
misc=collections.Counter(); sites716=[]
for line in open('/tmp/m5.json'):
    try: m=json.loads(line)
    except Exception: continue
    if m.get('reason')!='compiler-message': continue
    msg=m.get('message') or {}
    if msg.get('level')!='error': continue
    code=(msg.get('code') or {}).get('code') or '?'
    txt=msg.get('message') or ''
    sp=msg.get('spans') or []
    where=(sp[0]['file_name'].split('/')[-1]+':'+str(sp[0].get('line_start'))) if sp else '?'
    if code=='E0716':
        lbls=[s.get('label') or '' for s in sp if s.get('label')]
        e716[tuple(sorted(set(l[:40] for l in lbls)))[:2]]+=1
        if len(sites716)<6: sites716.append(where)
    elif code=='E0599':
        mm=re.search(r'no method named `([^`]+)` found for (?:struct|reference) `([^`]+)`', txt)
        e599[(mm.group(1), mm.group(2)[:30]) if mm else (txt[:40],'')]+=1
    elif code=='E0425':
        mm=re.match(r"cannot find (?:value|function) `([^`]+)` in module `([^`]+)`", txt)
        e425[(mm.group(1), mm.group(2)) if mm else (txt[:40],'')]+=1
    elif code in ('E0658','E0061','E0515','E0603','E0609','E0252'):
        misc[(code, txt[:56], where)]+=1
print("  === E0716 temporary dropped while borrowed: the labels ===")
for k,n in e716.most_common(5): print(f"   {n:4} {k}")
print("   sample sites:", ", ".join(sites716))
print("\n  === E0599 missing methods ===")
for (m_,t),n in e599.most_common(8): print(f"   {n:4} .{m_}() on {t}")
print("\n  === E0425 missing, by module ===")
for (n_,mod),c in e425.most_common(10): print(f"   {c:4} {mod}::{n_}")
print("\n  === the 15 misc, individually ===")
for (c,t,w),n in misc.most_common(15): print(f"   {c} {w}: {t}")
PY