skia2/gn/gn_meta_sln.py
Brian Osman 2052c86a30 Move, rename, and document Visual Studio GN helper script
BUG=skia:

DOCS_PREVIEW= https://skia.org/?cl=5983

Change-Id: I32ac2c5275eb86adaa2be9ceee061b2956db70ad
Reviewed-on: https://skia-review.googlesource.com/5983
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
2016-12-14 16:41:52 +00:00

165 lines
6.5 KiB
Python

# Copyright 2016 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import glob
import re
import sys
from shutil import copyfile
# Helpers
def ensureExists(path):
try:
os.makedirs(path)
except OSError:
pass
def writeLinesToFile(lines, fileName):
ensureExists(os.path.dirname(fileName))
with open(fileName, "w") as f:
f.writelines(lines)
def extractIdg(projFileName):
result = []
with open(projFileName) as projFile:
lines = iter(projFile)
for pLine in lines:
if "<ItemDefinitionGroup" in pLine:
while not "</ItemDefinitionGroup" in pLine:
result.append(pLine)
pLine = lines.next()
result.append(pLine)
return result
# [ (name, hasSln), ... ]
configs = []
# Find all directories that can be used as configs (and record if they have VS
# files present)
for root, dirs, files in os.walk("out"):
for outDir in dirs:
gnFile = os.path.join("out", outDir, "build.ninja.d")
if os.path.exists(gnFile):
slnFile = os.path.join("out", outDir, "all.sln")
configs.append((outDir, os.path.exists(slnFile)))
break
# Every project has a GUID that encodes the type. We only care about C++.
cppTypeGuid = "8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942"
# name -> [ (config, pathToProject, GUID), ... ]
allProjects = {}
projectPattern = (r'Project\("\{' + cppTypeGuid +
r'\}"\) = "([^"]*)", "([^"]*)", "\{([^\}]*)\}"')
for config in configs:
if config[1]:
slnLines = iter(open("out/" + config[0] + "/all.sln"))
for slnLine in slnLines:
matchObj = re.match(projectPattern, slnLine)
if matchObj:
projName = matchObj.group(1)
if not allProjects.has_key(projName):
allProjects[projName] = []
allProjects[projName].append((config[0], matchObj.group(2),
matchObj.group(3)))
# We need something to work with. Typically, this will fail if no GN folders
# have IDE files
if len(allProjects) == 0:
print "ERROR: At least one GN directory must have been built with --ide=vs"
sys.exit()
# Create a new solution. We arbitrarily use the first config as the GUID source
# (but we need to match that behavior later, when we copy/generate the project
# files).
newSlnLines = []
newSlnLines.append(
'Microsoft Visual Studio Solution File, Format Version 12.00\n')
newSlnLines.append('# Visual Studio 2015\n')
for projName, projConfigs in allProjects.items():
newSlnLines.append('Project("{' + cppTypeGuid + '}") = "' + projName +
'", "' + projConfigs[0][1] + '", "{' + projConfigs[0][2]
+ '}"\n')
newSlnLines.append('EndProject\n')
newSlnLines.append('Global\n')
newSlnLines.append(
'\tGlobalSection(SolutionConfigurationPlatforms) = preSolution\n')
for config in configs:
newSlnLines.append('\t\t' + config[0] + '|x64 = ' + config[0] + '|x64\n')
newSlnLines.append('\tEndGlobalSection\n')
newSlnLines.append(
'\tGlobalSection(ProjectConfigurationPlatforms) = postSolution\n')
for projName, projConfigs in allProjects.items():
projGuid = projConfigs[0][2]
for config in configs:
newSlnLines.append('\t\t{' + projGuid + '}.' + config[0] +
'|x64.ActiveCfg = ' + config[0] + '|x64\n')
newSlnLines.append('\t\t{' + projGuid + '}.' + config[0] +
'|x64.Build.0 = ' + config[0] + '|x64\n')
newSlnLines.append('\tEndGlobalSection\n')
newSlnLines.append('\tGlobalSection(SolutionProperties) = preSolution\n')
newSlnLines.append('\t\tHideSolutionNode = FALSE\n')
newSlnLines.append('\tEndGlobalSection\n')
newSlnLines.append('\tGlobalSection(NestedProjects) = preSolution\n')
newSlnLines.append('\tEndGlobalSection\n')
newSlnLines.append('EndGlobal\n')
# Write solution file
writeLinesToFile(newSlnLines, "out/sln/skia.sln")
idgHdr = "<ItemDefinitionGroup Condition=\"'$(Configuration)|$(Platform)'=='"
# Now, bring over the project files
for projName, projConfigs in allProjects.items():
# Paths to project and filter file in src and dst locations
srcProjPath = os.path.join("out", projConfigs[0][0], projConfigs[0][1])
dstProjPath = os.path.join("out", "sln", projConfigs[0][1])
srcFilterPath = srcProjPath + ".filters"
dstFilterPath = dstProjPath + ".filters"
# Copy the filter file unmodified
ensureExists(os.path.dirname(dstProjPath))
copyfile(srcFilterPath, dstFilterPath)
# Bring over the project file, modified with extra configs
with open(srcProjPath) as srcProjFile:
projLines = iter(srcProjFile)
newProjLines = []
for line in projLines:
if "<ItemDefinitionGroup" in line:
# This is a large group that contains many settings. We need to
# replicate it, with conditions so it varies per configuration.
idgLines = []
while not "</ItemDefinitionGroup" in line:
idgLines.append(line)
line = projLines.next()
idgLines.append(line)
for projConfig in projConfigs:
configIdgLines = extractIdg(os.path.join("out",
projConfig[0],
projConfig[1]))
newProjLines.append(idgHdr + projConfig[0] + "|x64'\">\n")
for idgLine in configIdgLines[1:]:
newProjLines.append(idgLine)
elif "ProjectConfigurations" in line:
newProjLines.append(line)
projConfigLines = [
projLines.next(),
projLines.next(),
projLines.next(),
projLines.next() ]
for config in configs:
for projConfigLine in projConfigLines:
newProjLines.append(projConfigLine.replace("GN",
config[0]))
elif "<OutDir" in line:
newProjLines.append(line.replace(projConfigs[0][0],
"$(Configuration)"))
else:
newProjLines.append(line)
with open(dstProjPath, "w") as newProj:
newProj.writelines(newProjLines)