bbd96b25e2
Reviewers: teon.banek Reviewed By: teon.banek Subscribers: pullbot Differential Revision: https://phabricator.memgraph.io/D1417
75 lines
2.5 KiB
Python
Executable File
75 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import json
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import os
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import sys
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from collections import defaultdict
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def lines2phabricator(filename, lines):
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ret = ""
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numlines = 0
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with open(filename) as f:
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for row in f:
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numlines += 1
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for i in range(1, numlines + 1):
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if not i in lines: ret += "N"
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elif lines[i] == 0: ret += "U"
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else: ret += "C"
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return ret
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parser = argparse.ArgumentParser(description='Parse llvm-cov export data.')
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parser.add_argument('input', help='input file')
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parser.add_argument('coverage', help='coverage output file')
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parser.add_argument('summary', help='summary output file')
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parser.add_argument('files', nargs='+', help='files to process')
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args = parser.parse_args()
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# for specification of the format see:
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# https://github.com/llvm-mirror/llvm/blob/master/tools/llvm-cov/CoverageExporterJson.cpp
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data = json.load(open(args.input, "r"))
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totals = defaultdict(lambda: defaultdict(int))
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sources = defaultdict(lambda: defaultdict(int))
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for export in data["data"]:
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for cfile in export["files"]:
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for segment in cfile["segments"]:
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filename = cfile["filename"]
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if not filename in args.files: continue
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line, col, count, has_count, is_region_entry = segment
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sources[filename][line] += count
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for function in export["functions"]:
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for region in function["regions"]:
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line_start, column_start, line_end, column_end, execution_count, \
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file_id, expanded_file_id, kind = region
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filename = function["filenames"][file_id]
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if filename not in args.files: continue
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for i in range(line_start, line_end + 1):
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sources[filename][i] += execution_count
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for total, values in export["totals"].items():
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for key, value in values.items():
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totals[total][key] += value
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coverage = {}
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for filename, lines in sources.items():
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path = "/".join(filename.split("/")[3:])
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coverage[path] = lines2phabricator(filename, lines)
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with open(args.coverage, "w") as f:
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json.dump(coverage, f)
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summary = """==== Code coverage: ====
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<table>
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<tr><th>Coverage</th><th>Total</th></tr>
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"""
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ROW = "<tr><td>{name}</td><td>{covered} / {count} ({percent:.2%})</td></tr>\n"
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for what in ["functions", "instantiations", "lines", "regions"]:
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now = totals[what]
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now["percent"] = now["covered"] / now["count"]
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summary += ROW.format(**dict(totals[what], name=what.capitalize()))
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summary += "</table>\n"
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with open(args.summary, "w") as f:
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f.write(summary)
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