Sync dbschemes

config/dbscheme-fragments.json

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+{
+  "files": [
+    "java/ql/lib/config/semmlecode.dbscheme",
+    "javascript/ql/lib/semmlecode.javascript.dbscheme",
+    "cpp/ql/lib/semmlecode.cpp.dbscheme",
+    "python/ql/lib/semmlecode.python.dbscheme",
+    "ruby/ql/lib/ruby.dbscheme",
+    "go/ql/lib/go.dbscheme",
+    "swift/prefix.dbscheme",
+    "swift/ql/lib/swift.dbscheme",
+    "csharp/ql/lib/semmlecode.csharp.dbscheme",
+    "ql/ql/src/ql.dbscheme"
+  ],
+  "fragments": [
+    "/*- Files and folders -*/",
+    "/*- Compilations -*/",
+    "/*- Compilations (Java) -*/",
+    "/*- Diagnostic messages -*/",
+    "/*- Duplicate code -*/",
+    "/*- External data -*/",
+    "/*- External packages -*/",
+    "/*- External defects and metrics -*/",
+    "/*- Source location prefix -*/",
+    "/*- Lines of code -*/",
+    "/*- Snapshot date -*/",
+    "/*- Version control data -*/",
+    "/*- YAML -*/",
+    "/*- XML Files -*/",
+    "/*- SMAP -*/",
+    "/*- Java -*/",
+    "/*- configuration files with key value pairs -*/",
+    "/*- Kotlin -*/",
+    "/*- JavaScript-specific part -*/",
+    "/*- Ruby-specific part -*/",
+    "/*- ERB-specific part -*/",
+    "/*- GO-specific part -*/",
+    "/*- QL-specific part -*/",
+    "/*- Swift-specific part -*/",
+    "/*- C# dbscheme -*/",
+    "/*- C++ dbscheme -*/",
+    "/*- Python dbscheme -*/"
+  ]
+}

config/sync-dbscheme-fragments.py

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+#!/usr/bin/env python3
+
+import json
+import os
+import re
+import itertools
+
+def make_groups(blocks):
+    groups = {}
+    for block in blocks:
+        groups.setdefault("".join(block["lines"]), []).append(block)
+    return list(groups.values())
+
+def validate_fragments(fragments):
+    for header, blocks in fragments.items():
+        groups = make_groups(blocks)
+        if len(groups) > 1:
+            print("Warning: '{}' fragments are different for {}".format(header, ["{}:{}:{}".format(group[0]["file"], group[0]["start"], group[0]["end"]) for group in groups]))
+
+def main():
+    script_dir = os.path.dirname(os.path.realpath(__file__))
+
+    with open(os.path.join(script_dir, "dbscheme-fragments.json"), "r") as f:
+        config = json.load(f)
+
+    fragment_headers = set(config["fragments"])
+    fragments = {}
+    for file in config["files"]:
+        with open(os.path.join(os.path.dirname(script_dir), file), "r") as dbscheme:
+            header = None
+            line_number = 1
+            block = { "file": file, "start": line_number, "end": None, "lines": [] }
+            def end_block():
+                nonlocal header, block, line_number, fragments
+                block["end"] = line_number - 1
+                if len(block["lines"]) > 0:
+                    if header is None:
+                        if re.match(r'(?m)^//.*$|/\*(\**[^\*])*\*+/', "".join(block["lines"])):
+                            # Ignore comments at the beginning of the file
+                            pass
+                        else:                            
+                            print("Warning: fragment without header: {}:{}:{}".format(block["file"], block["start"], block["end"]))
+                    else:
+                        fragments.setdefault(header, []).append(block)
+            for line in dbscheme:
+                m = re.match(r"^\/\*-.*-\*\/$", line)
+                if m:
+                    end_block()
+                    header = line.strip()
+                    if header not in fragment_headers:
+                        print("Warning: unknown fragment header: {}: {}:{}".format(header, file, line_number))
+                    block = { "file": file, "start": line_number, "end": None, "lines": [] }
+                block["lines"].append(line)
+                line_number += 1
+            end_block()
+    validate_fragments(fragments)
+
+if __name__ == "__main__":
+    main()