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-rwxr-xr-xcompilerplugins/clang/inlinefields.py73
1 files changed, 73 insertions, 0 deletions
diff --git a/compilerplugins/clang/inlinefields.py b/compilerplugins/clang/inlinefields.py
new file mode 100755
index 000000000..1a0dbda34
--- /dev/null
+++ b/compilerplugins/clang/inlinefields.py
@@ -0,0 +1,73 @@
+#!/usr/bin/python
+
+import sys
+import re
+import io
+
+definitionToSourceLocationMap = dict() # dict of tuple(parentClass, fieldName) to sourceLocation
+definitionSet = set()
+excludedSet = set()
+deletedInDestructorSet = set()
+newedInConstructorSet = set();
+
+# 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)
+
+# reading as binary (since we known it is pure ascii) is much faster than reading as unicode
+with io.open("workdir/loplugin.inlinefields.log", "rb", buffering=1024*1024) as txt:
+ for line in txt:
+ tokens = line.strip().split("\t")
+ if tokens[0] == "definition:":
+ parentClass = normalizeTypeParams(tokens[1])
+ fieldName = normalizeTypeParams(tokens[2])
+ sourceLocation = tokens[3]
+ fieldInfo = (parentClass, fieldName)
+ definitionSet.add(fieldInfo)
+ definitionToSourceLocationMap[fieldInfo] = sourceLocation
+ elif tokens[0] == "excluded:":
+ parentClass = normalizeTypeParams(tokens[1])
+ fieldName = normalizeTypeParams(tokens[2])
+ fieldInfo = (parentClass, fieldName)
+ excludedSet.add(fieldInfo)
+ elif tokens[0] == "deletedInDestructor:":
+ parentClass = normalizeTypeParams(tokens[1])
+ fieldName = normalizeTypeParams(tokens[2])
+ fieldInfo = (parentClass, fieldName)
+ deletedInDestructorSet.add(fieldInfo)
+ elif tokens[0] == "newedInConstructor:":
+ parentClass = normalizeTypeParams(tokens[1])
+ fieldName = normalizeTypeParams(tokens[2])
+ fieldInfo = (parentClass, fieldName)
+ newedInConstructorSet.add(fieldInfo)
+ else:
+ print( "unknown line: " + line)
+
+tmp1list = list()
+for d in definitionSet:
+# TODO see comment in InlineFields::VisitCXXDeleteExpr
+# if d in excludedSet or d not in deletedInDestructorSet or d not in newedInConstructorSet:
+ if d in excludedSet or d not in newedInConstructorSet:
+ continue
+ srcLoc = definitionToSourceLocationMap[d];
+ tmp1list.append((d[0] + " " + d[1], srcLoc))
+
+# sort results by filename:lineno
+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]]
+tmp1list.sort(key=lambda v: v_sort_key(v))
+
+# print out the results
+with open("loplugin.inlinefields.report", "wt") as f:
+ for v in tmp1list:
+ f.write(v[1] + "\n")
+ f.write(" " + v[0] + "\n")
+
+