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.ycm_extra_conf.py
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Created
Sat, Jul 27, 20:39
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3 KB
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text/x-python
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Mon, Jul 29, 20:39 (2 d)
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blob
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Handle
19394360
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R12667 gbench-stream
.ycm_extra_conf.py
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import
os
import
ycm_core
# These are the compilation flags that will be used in case there's no
# compilation database set (by default, one is not set).
# CHANGE THIS LIST OF FLAGS. YES, THIS IS THE DROID YOU HAVE BEEN LOOKING FOR.
flags
=
[
'-Wall'
,
'-Werror'
,
'-pedantic-errors'
,
'-std=c++0x'
,
'-fno-strict-aliasing'
,
'-O3'
,
'-DNDEBUG'
,
# ...and the same thing goes for the magic -x option which specifies the
# language that the files to be compiled are written in. This is mostly
# relevant for c++ headers.
# For a C project, you would set this to 'c' instead of 'c++'.
'-x'
,
'c++'
,
'-I'
,
'include'
,
'-isystem'
,
'/usr/include'
,
'-isystem'
,
'/usr/local/include'
,
]
# Set this to the absolute path to the folder (NOT the file!) containing the
# compile_commands.json file to use that instead of 'flags'. See here for
# more details: http://clang.llvm.org/docs/JSONCompilationDatabase.html
#
# Most projects will NOT need to set this to anything; you can just change the
# 'flags' list of compilation flags. Notice that YCM itself uses that approach.
compilation_database_folder
=
''
if
os
.
path
.
exists
(
compilation_database_folder
):
database
=
ycm_core
.
CompilationDatabase
(
compilation_database_folder
)
else
:
database
=
None
SOURCE_EXTENSIONS
=
[
'.cc'
]
def
DirectoryOfThisScript
():
return
os
.
path
.
dirname
(
os
.
path
.
abspath
(
__file__
)
)
def
MakeRelativePathsInFlagsAbsolute
(
flags
,
working_directory
):
if
not
working_directory
:
return
list
(
flags
)
new_flags
=
[]
make_next_absolute
=
False
path_flags
=
[
'-isystem'
,
'-I'
,
'-iquote'
,
'--sysroot='
]
for
flag
in
flags
:
new_flag
=
flag
if
make_next_absolute
:
make_next_absolute
=
False
if
not
flag
.
startswith
(
'/'
):
new_flag
=
os
.
path
.
join
(
working_directory
,
flag
)
for
path_flag
in
path_flags
:
if
flag
==
path_flag
:
make_next_absolute
=
True
break
if
flag
.
startswith
(
path_flag
):
path
=
flag
[
len
(
path_flag
):
]
new_flag
=
path_flag
+
os
.
path
.
join
(
working_directory
,
path
)
break
if
new_flag
:
new_flags
.
append
(
new_flag
)
return
new_flags
def
IsHeaderFile
(
filename
):
extension
=
os
.
path
.
splitext
(
filename
)[
1
]
return
extension
in
[
'.h'
,
'.hxx'
,
'.hpp'
,
'.hh'
]
def
GetCompilationInfoForFile
(
filename
):
# The compilation_commands.json file generated by CMake does not have entries
# for header files. So we do our best by asking the db for flags for a
# corresponding source file, if any. If one exists, the flags for that file
# should be good enough.
if
IsHeaderFile
(
filename
):
basename
=
os
.
path
.
splitext
(
filename
)[
0
]
for
extension
in
SOURCE_EXTENSIONS
:
replacement_file
=
basename
+
extension
if
os
.
path
.
exists
(
replacement_file
):
compilation_info
=
database
.
GetCompilationInfoForFile
(
replacement_file
)
if
compilation_info
.
compiler_flags_
:
return
compilation_info
return
None
return
database
.
GetCompilationInfoForFile
(
filename
)
def
FlagsForFile
(
filename
,
**
kwargs
):
if
database
:
# Bear in mind that compilation_info.compiler_flags_ does NOT return a
# python list, but a "list-like" StringVec object
compilation_info
=
GetCompilationInfoForFile
(
filename
)
if
not
compilation_info
:
return
None
final_flags
=
MakeRelativePathsInFlagsAbsolute
(
compilation_info
.
compiler_flags_
,
compilation_info
.
compiler_working_dir_
)
else
:
relative_to
=
DirectoryOfThisScript
()
final_flags
=
MakeRelativePathsInFlagsAbsolute
(
flags
,
relative_to
)
return
{
'flags'
:
final_flags
,
'do_cache'
:
True
}
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