remove some unused headers

found with a little python script(include) and some grepping, so probably
not 100% reliable.

Change-Id: I1a26a37ef7297c2cc07ed5fd2e0af45280e64c13
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/87824
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 52 insertions, 0 deletions

diff --git a/bin/find-headers-to-move-inside-modules.py b/bin/find-headers-to-move-inside-modules.py
new file mode 100755
index 000000000000..c8a9dc989069
--- /dev/null
+++ b/bin/find-headers-to-move-inside-modules.py
@@ -0,0 +1,52 @@
+#!/usr/bin/python
+
+# Look for headers inside include/ that can be moved into their respective modules.
+
+import subprocess
+import sys
+
+headerSet = set()
+a = subprocess.Popen("git ls-files include/", stdout=subprocess.PIPE, shell=True)
+with a.stdout as txt:
+    for line in txt:
+        header = line[8:].strip();
+        if "README" in header: continue
+        if header == "version.hrc": continue
+        if header == "svtools/editimplementation.hxx": continue
+        # ignore URE headers
+        if header.startswith("IwyuFilter_include.yaml"): continue
+        if header.startswith("cppu/"): continue
+        if header.startswith("cppuhelper/"): continue
+        if header.startswith("osl/"): continue
+        if header.startswith("sal/"): continue
+        if header.startswith("salhelper/"): continue
+        if header.startswith("uno/"): continue
+        # these are direct copies of mozilla code
+        if header.startswith("onlineupdate/mozilla/"): continue
+        headerSet.add(header)
+
+headerSetUnused = headerSet.copy()
+headerSetOnlyInOwnModule = headerSet.copy()
+a = subprocess.Popen("git grep '^#include <'", stdout=subprocess.PIPE, shell=True)
+with a.stdout as txt:
+    for line in txt:
+        idx1 = line.find("#include <")
+        include = line[idx1 + 10 : len(line)-2]
+        headerSetUnused.discard(include)
+        #
+        idx1 = line.find("/")
+        includedFromModule = line[0 : idx1]
+        idx1 = include.find("/")
+        module = include[0 : idx1]
+        if module != includedFromModule:
+            headerSetOnlyInOwnModule.discard(include)
+
+print "completely unused"
+print "----------------------------"
+for x in sorted(headerSetUnused):
+    print x
+print ""
+print "only used in own module"
+print "----------------------------"
+for x in sorted(headerSetOnlyInOwnModule):
+    print x