asmhatreandClaude Sonnet 5
f59c1de96d
Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01B38FGKKam5SCGgwgduVAh3
75 lines
2.4 KiB
Python
75 lines
2.4 KiB
Python
#!/usr/bin/env python3
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"""Diff two javap dumps produced by dump_api.py and report changes to PUBLIC API only.
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usage: apidiff.py <old-dump> <new-dump> [--vector-only]
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A class is reported only if its declaration starts with 'public' in the old or the new dump, so
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package-private implementation classes (which javap -public still lists) do not drown the signal.
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"""
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import collections
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import re
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import sys
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def parse(path):
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classes = collections.OrderedDict()
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decl = {}
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cur = None
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for line in open(path):
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line = line.rstrip("\n")
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if line.startswith("#####") or line.startswith("Compiled from") or not line.strip():
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continue
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if not line.startswith(" "):
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m = re.search(r"(?:class|interface|enum|@interface|record)\s+([\w.$]+)", line)
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cur = m.group(1) if m else line
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classes[cur] = set()
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decl[cur] = line
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elif cur is not None and line.strip() != "}":
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classes[cur].add(line.strip())
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return classes, decl
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def is_public(decl_line):
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return decl_line.startswith("public ") or decl_line.startswith("protected ")
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def main():
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old, old_decl = parse(sys.argv[1])
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new, new_decl = parse(sys.argv[2])
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vector_only = "--vector-only" in sys.argv
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def keep(name):
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if vector_only and not name.startswith("jdk.incubator.vector."):
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return False
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if name.startswith("file") or "Error: Access Flags" in old_decl.get(name, "") + new_decl.get(name, ""):
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return False
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return is_public(old_decl.get(name, "")) or is_public(new_decl.get(name, ""))
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print("## public classes removed")
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for c in sorted(set(old) - set(new)):
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if keep(c):
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print(" " + c)
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print("## public classes added")
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for c in sorted(set(new) - set(old)):
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if keep(c):
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print(" " + c)
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print("## public class changes")
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for c in sorted(set(old) & set(new)):
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if not keep(c):
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continue
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removed = old[c] - new[c]
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added = new[c] - old[c]
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d_old, d_new = old_decl[c], new_decl[c]
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if removed or added or d_old != d_new:
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print(c)
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if d_old != d_new:
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print(" - " + d_old.strip())
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print(" + " + d_new.strip())
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for x in sorted(removed):
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print(" - " + x)
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for x in sorted(added):
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print(" + " + x)
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main()
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