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-rwxr-xr-xcompilerplugins/clang/locking2.py79
1 files changed, 79 insertions, 0 deletions
diff --git a/compilerplugins/clang/locking2.py b/compilerplugins/clang/locking2.py
new file mode 100755
index 0000000000..e6c6176052
--- /dev/null
+++ b/compilerplugins/clang/locking2.py
@@ -0,0 +1,79 @@
+#!/usr/bin/python3
+
+import re
+import io
+
+definitionToTypeMap = dict()
+writeFromOutsideConstructorSet = set()
+lockedMap = dict()
+
+# clang does not always use exactly the same numbers in the type-parameter vars it generates
+# so I need to substitute them to ensure we can match correctly.
+normalizeTypeParamsRegex = re.compile(r"type-parameter-\d+-\d+")
+def normalizeTypeParams( line ):
+ return normalizeTypeParamsRegex.sub("type-parameter-?-?", line)
+
+def parseFieldInfo( tokens ):
+ if len(tokens) == 3:
+ return (normalizeTypeParams(tokens[1]), tokens[2])
+ else:
+ return (normalizeTypeParams(tokens[1]), "")
+
+with io.open("workdir/loplugin.locking2.log", "r", buffering=1024*1024) as txt:
+ for line in txt:
+ tokens = line.strip().split("\t")
+ if tokens[0] == "definition:":
+ fieldInfo = (normalizeTypeParams(tokens[1]), tokens[2])
+ srcLoc = tokens[4]
+ # ignore external source code
+ if (srcLoc.startswith("external/")):
+ continue
+ # ignore build folder
+ if (srcLoc.startswith("workdir/")):
+ continue
+ definitionToTypeMap[fieldInfo] = tokens[3]
+ elif tokens[0] == "write-outside-constructor:":
+ writeFromOutsideConstructorSet.add(parseFieldInfo(tokens))
+ elif tokens[0] == "locked:":
+ fieldInfo = (normalizeTypeParams(tokens[1]), tokens[2])
+ lockedMap[fieldInfo] = tokens[3]
+ else:
+ print( "unknown line: " + line)
+
+removeLockingSet = set()
+for field,srcLoc in lockedMap.items():
+ if field in writeFromOutsideConstructorSet:
+ continue
+ if field not in definitionToTypeMap:
+ continue
+ fieldType = definitionToTypeMap[field]
+ if "std::unique_ptr" in fieldType:
+ continue
+ if "std::shared_ptr" in fieldType:
+ continue
+ if "Reference<" in fieldType:
+ continue
+ if "VclPtr<" in fieldType:
+ continue
+ removeLockingSet.add((field[0] + " " + field[1] + " " + fieldType, srcLoc))
+
+
+# sort the results using a "natural order" so sequences like [item1,item2,item10] sort nicely
+def natural_sort_key(s, _nsre=re.compile('([0-9]+)')):
+ return [int(text) if text.isdigit() else text.lower()
+ for text in re.split(_nsre, s)]
+# sort by both the source-line and the datatype, so the output file ordering is stable
+# when we have multiple items on the same source line
+def v_sort_key(v):
+ return natural_sort_key(v[1]) + [v[0]]
+
+# sort results by name and line number
+tmp6list = sorted(removeLockingSet, key=lambda v: v_sort_key(v))
+
+# print out the results
+with open("compilerplugins/clang/locking2.results", "wt") as f:
+ for t in tmp6list:
+ f.write( t[1] + "\n" )
+ f.write( " " + t[0] + "\n" )
+
+