diff options
Diffstat (limited to 'compilerplugins/clang/inlinefields.py')
-rwxr-xr-x | compilerplugins/clang/inlinefields.py | 73 |
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") + + |