From b59e037f0b585cfd9a2a107ca298ce236528e802 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Wed, 3 Jun 2015 20:17:21 +0100
Subject: Move ycm config from src
---
ycm_extra_conf.py | 100 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 100 insertions(+)
create mode 100644 ycm_extra_conf.py
diff --git a/ycm_extra_conf.py b/ycm_extra_conf.py
new file mode 100644
index 0000000..99c858d
--- /dev/null
+++ b/ycm_extra_conf.py
@@ -0,0 +1,100 @@
+import os
+import string
+import re
+import subprocess
+import ycm_core
+
+def IsHeaderFile( filename ):
+ extension = os.path.splitext( filename )[ 1 ]
+ return extension in [ '.h', '.hxx', '.hpp', '.hh' ]
+
+def ContainsJamfile(path):
+ for file in os.listdir(path):
+ if file == 'Jamfile.jam':
+ return True
+ return False
+
+def FindOwningJamfile(filename):
+ path = os.path.dirname(filename)
+ while (not ContainsJamfile(path)) or (path == '/'):
+ path = os.path.dirname(path)
+ return path
+
+def ExpandBackTicks(line):
+ bts = re.search("^([^`]*)`([^`]*)`(.*)$", line)
+ if bts and (len(bts.groups()) >= 3):
+ p = subprocess.Popen(bts.group(2), shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+ line = bts.group(1) + p.stdout.read() + bts.group(3);
+ return ExpandBackTicks(line)
+ return line
+
+def GetBJamCommandFlags(rtarget, target):
+ flags = []
+ p = subprocess.Popen(['b2', '-and2', rtarget], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+ for line in p.stdout.readlines():
+ if string.lstrip(line).startswith('"g++"') and string.find(line, '"'+target+'"') > 0:
+ flags = []
+ line = ExpandBackTicks(line)
+ args = string.split(line)
+ idx = 1
+ while args[idx] != '-c':
+ flags.append(args[idx])
+ idx += 1
+ return flags
+
+def ApplyFlagQuirks(flags):
+ newflags = []
+ for flag in flags:
+ qs = re.search('([^"]+)"([^"]*)"$', flag)
+ if qs:
+ flag = qs.group(1)
+ value = qs.group(2)
+ newflags.append(flag)
+ if (flag == '-I'):
+ newflags.append(os.path.abspath(value))
+ else:
+ newflags.append(value)
+ elif flag != '-Werror':
+ newflags.append(flag)
+ return newflags
+
+def GuessAnIncluder(filename):
+ cpp = str.replace(filename, ".h", ".cpp")
+ if os.path.exists(cpp):
+ return cpp
+
+ filename = os.path.abspath(filename)
+ basename = os.path.basename(filename)
+ dirname = os.path.dirname(filename)
+ p = subprocess.Popen(['grep', '-Ilrw', basename, dirname], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+ f = p.stdout.readlines()[0].strip()
+ if IsHeaderFile(f):
+ return GuessAnIncluder(f)
+ return f
+
+def FlagsForFile( filename, **kwargs ):
+ if (IsHeaderFile(filename)):
+ filename = GuessAnIncluder(filename)
+
+ filename = os.path.abspath(filename)
+ rootDir = FindOwningJamfile(filename)
+ target = str.replace(filename, rootDir + "/", "")
+ rtarget = str.replace(target, ".cpp", ".o")
+
+ cwd = os.getcwd()
+ os.chdir(rootDir)
+
+ flags = GetBJamCommandFlags(rtarget, target)
+ flags = ApplyFlagQuirks(flags)
+
+ # Fall back to . for finding precompiled headers
+ flags.append("-I")
+ flags.append(os.path.dirname(filename))
+
+ os.chdir(cwd)
+
+ return {
+ 'flags': flags,
+ 'do_cache': False
+ }
+
--
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