1 files changed, 81 insertions, 0 deletions
diff --git a/compilerplugins/clang/countusersofdefaultparams.py b/compilerplugins/clang/countusersofdefaultparams.py
new file mode 100755
index 000000000..a53c17283
--- /dev/null
+++ b/compilerplugins/clang/countusersofdefaultparams.py
@@ -0,0 +1,81 @@
+#!/usr/bin/python
+
+import sys
+import re
+import io
+
+definitionToSourceLocationMap = dict()
+callDict = 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.
+normalizeTypeParamsRegex1 = re.compile(r"type-parameter-\d+-\d+")
+normalizeTypeParamsRegex2 = re.compile(r"typename enable_if<.*")
+def normalizeTypeParams( line ):
+    line = normalizeTypeParamsRegex1.sub("type-parameter-?-?", line)
+    return normalizeTypeParamsRegex2.sub("type-parameter-?-?", line)
+
+with io.open("workdir/loplugin.countusersofdefaultparams.log", "rb", buffering=1024*1024) as txt:
+    for line in txt:
+        tokens = line.strip().split("\t")
+        if tokens[0] == "defn:":
+            access = tokens[1]
+            returnType = tokens[2]
+            nameAndParams = tokens[3]
+            sourceLocation = tokens[4]
+            funcInfo = normalizeTypeParams(returnType) + " " + normalizeTypeParams(nameAndParams)
+            definitionToSourceLocationMap[funcInfo] = sourceLocation
+            if not funcInfo in callDict:
+                callDict[funcInfo] = set()
+        elif tokens[0] == "call:":
+            returnType = tokens[1]
+            nameAndParams = tokens[2]
+            sourceLocationOfCall = tokens[3]
+            funcInfo = normalizeTypeParams(returnType) + " " + normalizeTypeParams(nameAndParams)
+            if not funcInfo in callDict:
+                callDict[funcInfo] = set()
+            callDict[funcInfo].add(sourceLocationOfCall)
+        else:
+            print( "unknown line: " + line)
+
+tmp1list = list()
+for k,v in callDict.iteritems():
+    if len(v) >= 1:
+        continue
+    # created by macros
+    if k.endswith("::RegisterInterface(class SfxModule *)"):
+        continue
+    if k.endswith("::RegisterChildWindow(_Bool,class SfxModule *,enum SfxChildWindowFlags)"):
+        continue
+    if k.endswith("::RegisterControl(unsigned short,class SfxModule *)"):
+        continue
+    if k.endswith("::RegisterFactory(unsigned short)"):
+        continue
+    # windows-only stuff
+    if "ShutdownIcon::OpenURL" in k:
+        continue
+    # template magic
+    if k.startswith("void VclPtr::VclPtr(const VclPtr<type-parameter-?-?> &,typename UpCast<"):
+        continue
+    if k in definitionToSourceLocationMap:
+        tmp1list.append((k, definitionToSourceLocationMap[k]))
+
+# 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
+tmp1list.sort(key=lambda v: v_sort_key(v))
+
+# print out the results
+with open("loplugin.countusersofdefaultparams.report", "wt") as f:
+    for t in tmp1list:
+        f.write(t[1] + "\n")
+        f.write("    " + t[0] + "\n")
+
+