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annotate scripts/ycm_extra_conf.py @ 14:0aa61944e518

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Add utility script to print the contents of a solution's cache.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 29 Aug 2023 12:52:12 -0700
parents 096e80c13781
children
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1 import argparse
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2 import logging
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3 import os.path
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4 import shutil
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5 import sys
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8 if True: # 'vim' in sys.modules:
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9 sys.path.append(os.path.dirname(__file__))
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12 from logutil import setup_logging
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13 from vshelpers import load_vimcrosoft_auto_env, find_vimcrosoft_slncache, find_item_project
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14 from vsutil import SolutionCache, ITEM_TYPE_CPP_SRC, ITEM_TYPE_CPP_HDR
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17 logger = logging.getLogger(__name__)
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19
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20 def _split_paths_property(val):
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21 if val:
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22 return val.strip(';').split(';')
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23 return []
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25
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26 def _split_paths_property_and_make_absolute(basedir, val):
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27 return [os.path.abspath(os.path.join(basedir, p))
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28 for p in _split_paths_property(val)]
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30
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31 def _get_item_specific_flags(projdir, clcompileitems, filename):
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32 logger.debug("Looking through %d items to find: %s" % (len(clcompileitems), filename))
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33 filename_lower = filename.lower()
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34 for item in clcompileitems:
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35 absiteminclude = os.path.normpath(os.path.join(projdir, item.include))
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36 if absiteminclude.lower() != filename_lower:
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37 continue
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38 logger.debug("Found file-specific flags for: %s" % filename)
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39 incpaths = _split_paths_property_and_make_absolute(
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40 projdir, item.metadata.get('AdditionalIncludeDirectories'))
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41 incfiles = _split_paths_property_and_make_absolute(
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42 projdir, item.metadata.get('ForcedIncludeFiles'))
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43 return (incpaths, incfiles)
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44 return ([], [])
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45
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46
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47 def _find_any_possible_item_specific_flags(
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48 solution, slncache, projdir, clcompileitems, filename, incpaths, incfiles, *,
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49 search_neighbours=True):
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50 # First, find any actual flags for this item.
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51 item_incpaths, item_incfiles = _get_item_specific_flags(projdir, clcompileitems, filename)
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52 if item_incpaths or item_incfiles:
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53 incpaths += item_incpaths
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54 incfiles += item_incfiles
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55 return True
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56
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57 logger.debug("Requested item didn't have any flags, looking for related items")
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58 from find_companion import _find_companion_item
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59 companion_item = _find_companion_item(solution, filename, slncache=slncache)
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60 if companion_item:
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61 item_incpaths, item_incfiles = _get_item_specific_flags(projdir, clcompileitems, companion_item)
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62 if item_incpaths or item_incfiles:
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63 logger.debug("Found flags on companion item: %s" % companion_item)
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64 incpaths += item_incpaths
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65 incfiles += item_incfiles
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66 return True
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67
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68 #logger.debug("No companion item found, see if we can find flags for a neighbour")
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69 #dirname = os.path.dirname(filename)
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70 #neighbournames = os.listdir(dirname)
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71 #neighbournames.remove(os.path.basename(filename))
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72 #for neighbourname in neighbournames:
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73 # neighbourpath = os.path.join(dirname, neighbourname)
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74 # item_incpaths, item_incfiles = _get_item_specific_flags(projdir, clcompileitems, neighbourpath)
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75 # if item_incpaths or item_incfiles:
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76 # logger.debug("Found flags on: %d" % neighbourpath)
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77 # incpaths += item_incpaths
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78 # incfiles += item_incfiles
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79 # return True
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80
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81 # neighbour_companion = _find_companion_item(solution, filename, slncache=slncache)
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82 # if neighbour_companion:
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83 # item_incpaths, item_incfiles = _get_item_specific_flags(projdir, clcompileitems, neighbour_companion)
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84 # if item_incpaths or item_incfiles:
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85 # logger.debug("Found flags on: %s" % neighbour_companion)
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86 # incpaths += item_incpaths
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87 # incfiles += item_incfiles
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88 # return True
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89
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90 #logger.debug("No flags found anywhere...")
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91 return False
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92
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93
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94 def _expand_extra_flags_with_solution_extra_flags(solution, extraflags):
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95 argfilename = os.path.join(
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96 os.path.dirname(solution),
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97 '.vimcrosoft',
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98 (os.path.basename(solution) + '.flags'))
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99 try:
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100 with open(argfilename, 'r', encoding='utf8') as fp:
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101 lines = fp.readlines()
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102 logger.debug("Read extra flags from: %s (%d lines)" % (argfilename, len(lines)))
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103 except OSError:
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104 return extraflags
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105
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106 extraflags = extraflags or []
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107 for line in lines:
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108 if not line.startswith('#'):
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109 extraflags.append(line.strip())
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110 return extraflags
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111
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112
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113 def _build_cflags(filename, solution, buildenv=None, slncache=None, extraflags=None,
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114 force_fwd_slashes=True, short_flags=True):
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115 # Find the current file in the solution.
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116 cache, proj = find_item_project(filename, solution, slncache)
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117 logger.debug("Found project %s: %s" % (proj.name, proj.abspath))
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118
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119 # Get the provided config/platform combo, which represent a solution
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120 # configuration, and find the corresponding project configuration.
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121 # For instance, a solution configuration of "Debug|Win64" could map
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122 # to a "MyDebug|AnyCPU" configuration on a specific project.
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123 sln_config_platform = '%s|%s' % (buildenv['Configuration'],
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124 buildenv['Platform'])
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125 proj_config_platform = cache.slnobj.find_project_configuration(
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126 proj.guid, sln_config_platform)
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127 if not proj_config_platform:
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128 raise Exception("Can't find project configuration and platform for "
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129 "solution configuration and platform: %s" %
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130 sln_config_platform)
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131
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132 # Make a build environment for the project, and figure out what
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133 # kind of project it is.
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134 proj_config, proj_platform = proj_config_platform.split('|')
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135
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136 proj_buildenv = buildenv.copy()
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137 proj_buildenv['Configuration'] = proj_config
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138 proj_buildenv['Platform'] = proj_platform
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139
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140 cfggroup = proj.propertygroup('Configuration', proj_buildenv)
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141 cfgtype = cfggroup.get('ConfigurationType')
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142 if not cfgtype:
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143 raise Exception("Can't find configuration type. Did you specify a "
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144 "configuration name and platform? Got: %s" %
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145 proj_buildenv)
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146 logger.debug("Found configuration type: %s" % cfgtype)
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147
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148 # Let's prepare a list of standard stuff for C++.
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149 preproc = []
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150 incpaths = []
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151 incfiles = []
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152 projdir = os.path.dirname(proj.abspath)
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153
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154 if cfgtype == 'Makefile':
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155 # It's a 'Makefile' project, which means we know as little about
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156 # compiler flags as whatever information was given to VS. As
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157 # such, if the solution setup doesn't give enough info, VS
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158 # intellisense won't work, and neither will YouCompleteMe.
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159 defaultpropgroup = proj.defaultpropertygroup(proj_buildenv)
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160
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161 nmake_preproc = defaultpropgroup.get('NMakePreprocessorDefinitions')
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162 preproc += _split_paths_property(nmake_preproc)
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163
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164 vs_incpaths = defaultpropgroup.get('IncludePath')
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165 if vs_incpaths:
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166 incpaths += _split_paths_property_and_make_absolute(
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167 projdir, vs_incpaths)
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168
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169 nmake_incpaths = defaultpropgroup.get('NMakeIncludeSearchPath')
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170 if nmake_incpaths:
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171 incpaths += _split_paths_property_and_make_absolute(
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172 projdir, nmake_incpaths)
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173
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174 nmake_forcedincs = defaultpropgroup.get('NMakeForcedIncludes')
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175 if nmake_forcedincs:
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176 incfiles += _split_paths_property_and_make_absolute(
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177 projdir, nmake_forcedincs)
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178
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179 # Find stuff specific to the file we are working on.
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180 defaultitemgroup = proj.defaultitemgroup(proj_buildenv)
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181 clcompileitems = list(defaultitemgroup.get_items_of_types([ITEM_TYPE_CPP_SRC, ITEM_TYPE_CPP_HDR]))
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182 _find_any_possible_item_specific_flags(
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183 solution, slncache, projdir, clcompileitems, filename, incpaths, incfiles)
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184
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185 else:
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186 # We should definitely support standard VC++ projects here but
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187 # I don't need it yet :)
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188 raise Exception("Don't know how to handle configuration type: %s" %
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189 cfgtype)
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190
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191 # We need to duplicate all the forced-included files because they could
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192 # have a VS-generated PCH file next to them. Clang then tries to pick it
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193 # up and complains that it doesn't use a valid format... :(
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194 incfiles = _cache_pch_files(incfiles)
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195
0
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196 # Build the clang/YCM flags with what we found.
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197 flags = ['-x', 'c++'] # TODO: check language type from project file.
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198
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199 for symbol in preproc:
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200 flags.append('-D%s' % symbol)
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201 for path in incpaths:
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202 flagname = '-I'
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203 if path.startswith("C:\\Program Files"):
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204 flagname = '-isystem'
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205 flagval = path.replace('\\', '/') if force_fwd_slashes else path
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206 if short_flags:
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207 flags.append('%s%s' % (flagname, flagval))
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208 else:
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209 flags.append(flagname)
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210 flags.append(flagval)
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211 # For some reason it seems VS applies those in last-to-first order.
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212 incfiles = list(reversed(incfiles))
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213 for path in incfiles:
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214 if force_fwd_slashes:
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215 flags.append('--include=%s' % path.replace('\\', '/'))
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216 else:
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217 flags.append('--include=%s' % path)
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218
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219 if extraflags:
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220 flags += extraflags
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221
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222 return {'flags': flags}
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223
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224
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225 _clang_shadow_pch_suffix = '-for-clang'
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226
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227
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228 def _cache_pch_files(paths):
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229 outpaths = []
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230 for path in paths:
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231 name, ext = os.path.splitext(path)
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232 outpath = "%s%s%s" % (name, _clang_shadow_pch_suffix, ext)
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233
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234 do_cache = False
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235 orig_mtime = os.path.getmtime(path)
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236 try:
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237 out_mtime = os.path.getmtime(outpath)
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238 if orig_mtime >= out_mtime:
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239 do_cache = True
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240 except OSError:
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241 do_cache = True
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242
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243 if do_cache:
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244 logger.debug("Creating shadow PCH file: %s" % path)
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245 shutil.copy2(path, outpath)
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246
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247 outpaths.append(outpath)
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248 return outpaths
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249
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250
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251 def _build_env_from_vim(client_data):
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252 buildenv = {}
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253 buildenv['Configuration'] = client_data.get('g:vimcrosoft_current_config', '')
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254 buildenv['Platform'] = client_data.get('g:vimcrosoft_current_platform', '')
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255 return buildenv
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256
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257
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258 _dump_debug_file = True
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259
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260
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261 def _do_dump_debug_file(args, flags, debug_filename):
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262 import pprint
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263
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264 with open(debug_filename, 'w') as fp:
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265 fp.write(" args: \n")
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266 fp.write("=========\n")
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267 pp = pprint.PrettyPrinter(indent=2, stream=fp)
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268 pp.pprint(args)
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269 fp.write("\n\n")
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270
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271 fp.write(" flags: \n")
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272 fp.write("==========\n")
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273 flags = flags.get('flags')
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274 if flags:
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275 fp.write(flags[0])
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276 for flag in flags[1:]:
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277 if flag[0] == '-':
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278 fp.write("\n")
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279 else:
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280 fp.write(" ")
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281 fp.write(flag)
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282 else:
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283 fp.write("<no flags found>\n")
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284 fp.write("\n\n")
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285
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286
0
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287 def Settings(**kwargs):
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288 language = kwargs.get('language')
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289 filename = kwargs.get('filename')
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290
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291 client_data = kwargs.get('client_data', {})
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292 from_cli = kwargs.get('from_cli', False)
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293 if from_cli:
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294 solution = client_data.get('solution')
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295 slncache = client_data.get('slncache')
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296 buildenv = client_data.get('env', {})
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297 extraflags = client_data.get('extra_flags')
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298 else:
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299 if not client_data:
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300 raise Exception("No client data provided by Vim host!")
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301 solution = client_data.get('g:vimcrosoft_current_sln')
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302 slncache = client_data.get('g:vimcrosoft_current_sln_cache')
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303 buildenv = _build_env_from_vim(client_data)
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304 extraflags = client_data.get('g:vimcrosoft_extra_clang_args')
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305
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306 extraflags = _expand_extra_flags_with_solution_extra_flags(solution, extraflags)
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307
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308 flags = None
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309
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310 if language == 'cfamily':
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311 try:
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312 flags = _build_cflags(filename, solution,
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313 buildenv=buildenv, slncache=slncache,
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314 extraflags=extraflags)
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315 except Exception as exc:
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316 if from_cli:
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317 raise
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318 flags = {'error': str(exc)}
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319 else:
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320 flags = {'error': f"Unknown language: {language}"}
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321
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322 if _dump_debug_file:
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323 debug_filename = os.path.join(
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324 os.path.dirname(solution), '.vimcrosoft', 'debug_flags.txt')
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325 _do_dump_debug_file(kwargs, flags, debug_filename)
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326
0
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327 return flags
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328
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329
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330 languages = {
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331 'cfamily': ['h', 'c', 'hpp', 'cpp', 'inl']
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332 }
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333
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334
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335 def _get_language(filename):
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336 _, ext = os.path.splitext(filename)
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337 ext = ext.lstrip('.')
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338 for lang, exts in languages.items():
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339 if ext in exts:
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340 return lang
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341 return None
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342
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343
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344 def main():
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345 parser = argparse.ArgumentParser()
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346 parser.add_argument('solution',
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347 help="The solution file")
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348 parser.add_argument('filename',
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349 help="The filename for which to get flags")
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350 parser.add_argument('--no-auto-env',
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351 action='store_true',
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352 help="Don't read configuration information from Vimcrosoft cache")
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353 parser.add_argument('-p', '--property',
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354 action="append",
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355 help="Specifies a build property")
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356 parser.add_argument('-c', '--cache',
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357 help="The solution cache to use")
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358 parser.add_argument('--cmdline',
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359 action='store_true',
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360 help="Output flags in a command-line form")
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361 parser.add_argument('-v', '--verbose',
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362 action='store_true',
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363 help="Show debugging information")
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364 args = parser.parse_args()
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365 setup_logging(args.verbose)
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366
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367 lang = _get_language(args.filename)
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368 logger.debug(f"Got language {lang} for {args.filename}")
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369
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370 build_env = {}
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371 slncache = args.cache
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372 if not args.no_auto_env:
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373 load_vimcrosoft_auto_env(args.solution, build_env)
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374 if not slncache:
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375 slncache = find_vimcrosoft_slncache(args.solution)
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376 if args.property:
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377 for p in args.property:
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378 pname, pval = p.split('=', 1)
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379 build_env[pname] = pval
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380 logger.debug(f"Got build environment: {build_env}")
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381 client_data = {'solution': args.solution,
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382 'slncache': slncache,
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383 'env': build_env}
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384
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385 params = {'from_cli': True,
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386 'language': lang,
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387 'filename': args.filename,
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388 'client_data': client_data
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389 }
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390 flags = Settings(**params)
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391 if args.cmdline:
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392 import shlex
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393 if hasattr(shlex, 'join'):
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394 joinargs = shlex.join
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395 else:
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396 joinargs = lambda a: ' '.join(a)
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397
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398 with open('clang_ycm_args.rsp', 'w', encoding='utf8') as fp:
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399 fp.write("%s -fsyntax-only \"%s\"" % (
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400 joinargs(sanitizeargs(flags['flags'])),
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401 args.filename.replace('\\', '/')
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402 ))
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403 with open('clang_ycm_invoke.cmd', 'w', encoding='utf8') as fp:
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404 fp.write("\"c:\\Program Files\\LLVM\\bin\\clang++.exe\" @clang_ycm_args.rsp > clang_ycm_invoke.log 2>&1")
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405
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406 logger.info("Command line written to: clang_ycm_invoke.cmd")
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407 else:
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408 logger.info("Flags:")
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409 import pprint
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410 pp = pprint.PrettyPrinter(indent=2)
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411 pp.pprint(flags)
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412
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413
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414 def sanitizeargs(args):
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415 for arg in args:
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416 if ' ' in arg:
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417 yield '"%s"' % arg
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418 else:
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419 yield arg
0
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420
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421
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422 if __name__ == '__main__':
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423 main()