def load_infos_from_path(llvmbuild_source_root):
# FIXME: Implement a simple subpath file list cache, so we don't restat
# directories we have already traversed.
# First, discover all the LLVMBuild.txt files.
#
# FIXME: We would like to use followlinks=True here, but that isn't
# compatible with Python 2.4. Instead, we will either have to special
# case projects we would expect to possibly be linked to, or implement
# our own walk that can follow links. For now, it doesn't matter since
# we haven't picked up the LLVMBuild system in any other LLVM projects.
for dirpath, dirnames, filenames in os.walk(llvmbuild_source_root):
# If there is no LLVMBuild.txt file in a directory, we don't recurse
# past it. This is a simple way to prune our search, although it
# makes it easy for users to add LLVMBuild.txt files in places they
# won't be seen.
if 'LLVMBuild.txt' not in filenames:
del dirnames[:]
continue
# Otherwise, load the LLVMBuild file in this directory.
assert dirpath.startswith(llvmbuild_source_root)
subpath = '/' + dirpath[len(llvmbuild_source_root) + 1:]
llvmbuild_path = os.path.join(dirpath, 'LLVMBuild.txt')
for info in componentinfo.load_from_path(llvmbuild_path, subpath):
yield info
def load_infos_from_path(llvmbuild_source_root):
# FIXME: Implement a simple subpath file list cache, so we don't restat
# directories we have already traversed.
# First, discover all the LLVMBuild.txt files.
#
# FIXME: We would like to use followlinks=True here, but that isn't
# compatible with Python 2.4. Instead, we will either have to special
# case projects we would expect to possibly be linked to, or implement
# our own walk that can follow links. For now, it doesn't matter since
# we haven't picked up the LLVMBuild system in any other LLVM projects.
for dirpath,dirnames,filenames in os.walk(llvmbuild_source_root):
# If there is no LLVMBuild.txt file in a directory, we don't recurse
# past it. This is a simple way to prune our search, although it
# makes it easy for users to add LLVMBuild.txt files in places they
# won't be seen.
if 'LLVMBuild.txt' not in filenames:
del dirnames[:]
continue
# Otherwise, load the LLVMBuild file in this directory.
assert dirpath.startswith(llvmbuild_source_root)
subpath = '/' + dirpath[len(llvmbuild_source_root)+1:]
llvmbuild_path = os.path.join(dirpath, 'LLVMBuild.txt')
for info in componentinfo.load_from_path(llvmbuild_path, subpath):
yield info
def recurse(subpath):
# Load the LLVMBuild file.
llvmbuild_path = os.path.join(llvmbuild_source_root + subpath, "LLVMBuild.txt")
if not os.path.exists(llvmbuild_path):
fatal("missing LLVMBuild.txt file at: %r" % (llvmbuild_path,))
# Parse the components from it.
common, info_iter = componentinfo.load_from_path(llvmbuild_path, subpath)
for info in info_iter:
yield info
# Recurse into the specified subdirectories.
for subdir in common.get_list("subdirectories"):
for item in recurse(os.path.join(subpath, subdir)):
yield item
def recurse(subpath):
# Load the LLVMBuild file.
llvmbuild_path = os.path.join(llvmbuild_source_root + subpath,
'LLVMBuild.txt')
if not os.path.exists(llvmbuild_path):
fatal("missing LLVMBuild.txt file at: %r" % (llvmbuild_path,))
# Parse the components from it.
common,info_iter = componentinfo.load_from_path(llvmbuild_path,
subpath)
for info in info_iter:
yield info
# Recurse into the specified subdirectories.
for subdir in common.get_list("subdirectories"):
for item in recurse(os.path.join(subpath, subdir)):
yield item
