96 lines
3.2 KiB
Python
96 lines
3.2 KiB
Python
"""Contains helper functions to compute checksums for LLVM checkouts.
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"""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import logging
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import os
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import os.path
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import sys
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class LLVMProject(object):
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"""An LLVM project with a descriptive name and a relative checkout path.
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"""
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def __init__(self, name, relpath):
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self.name = name
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self.relpath = relpath
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def is_subproject(self, other_project):
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""" Check if self is checked out as a subdirectory of other_project.
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"""
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return self.relpath.startswith(other_project.relpath)
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def WalkProjectFiles(checkout_root, all_projects, project, visitor):
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""" Walk over all files inside a project without recursing into subprojects, '.git' and '.svn' subfolders.
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checkout_root: root of the LLVM checkout.
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all_projects: projects in the LLVM checkout.
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project: a project to walk the files of. Must be inside all_projects.
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visitor: a function called on each visited file.
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"""
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assert project in all_projects
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ignored_paths = set()
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for other_project in all_projects:
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if other_project != project and other_project.is_subproject(project):
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ignored_paths.add(os.path.join(checkout_root, other_project.relpath))
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def raise_error(err):
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raise err
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project_root = os.path.join(checkout_root, project.relpath)
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for root, dirs, files in os.walk(project_root, onerror=raise_error):
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dirs[:] = [
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d for d in dirs
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if d != ".svn" and d != ".git" and
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os.path.join(root, d) not in ignored_paths
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]
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for f in files:
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visitor(os.path.join(root, f))
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def CreateLLVMProjects(single_tree_checkout):
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"""Returns a list of LLVMProject instances, describing relative paths of a typical LLVM checkout.
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Args:
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single_tree_checkout:
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When True, relative paths for each project points to a typical single
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source tree checkout.
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When False, relative paths for each projects points to a separate
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directory. However, clang-tools-extra is an exception, its relative path
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will always be 'clang/tools/extra'.
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"""
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# FIXME: cover all of llvm projects.
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# Projects that reside inside 'projects/' in a single source tree checkout.
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ORDINARY_PROJECTS = [
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"compiler-rt", "dragonegg", "libcxx", "libcxxabi", "libunwind",
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"test-suite"
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]
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# Projects that reside inside 'tools/' in a single source tree checkout.
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TOOLS_PROJECTS = ["clang", "lld", "lldb"]
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if single_tree_checkout:
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projects = [LLVMProject("llvm", "")]
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projects += [
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LLVMProject(p, os.path.join("projects", p)) for p in ORDINARY_PROJECTS
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]
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projects += [
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LLVMProject(p, os.path.join("tools", p)) for p in TOOLS_PROJECTS
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]
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projects.append(
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LLVMProject("clang-tools-extra",
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os.path.join("tools", "clang", "tools", "extra")))
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else:
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projects = [LLVMProject("llvm", "llvm")]
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projects += [LLVMProject(p, p) for p in ORDINARY_PROJECTS]
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projects += [LLVMProject(p, p) for p in TOOLS_PROJECTS]
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projects.append(
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LLVMProject("clang-tools-extra", os.path.join("clang", "tools",
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"extra")))
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return projects
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