From b832dce8489ef7b6231384909fd9b68d5a5ff2b7 Mon Sep 17 00:00:00 2001 From: Abseil Team Date: Tue, 25 Feb 2020 22:27:31 +0100 Subject: Creation of LTS branch "lts_2020_02_25" - 0033c9ea91a52ade7c6b725aa2ef3cbe15463421 Fix build on FreeBSD/powerpc (#616) by kgotlinux <60880393+kgotlinux@users.noreply.github.com> - 0d5ce2797eb695aee7e019e25323251ef6ffc277 Export of internal Abseil changes by Abseil Team - b69c7d880caddfc25bf348dbcfe9d45fdd8bc6e6 Export of internal Abseil changes by Abseil Team - 2a5633fc077a58528cdbfe78720f3f6bfdc6044d Merge "Export of internal Abseil changes" by Xiaoyi Zhang - f9b3d6e493c1b6ab3dbdab71c5f8fa849db4abaf Add RISCV support to GetProgramCounter() (#621) by Khem Raj - 0232c87f21c26718aa3eb2d86678070f3b498a4e Add missing ABSL_HAVE_VDSO_SUPPORT conditional (#622) by Sinan Kaya <41809318+franksinankaya@users.noreply.github.com> - 3c814105108680997d0821077694f663693b5382 Export of internal Abseil changes by Abseil Team - c44657f55692eddf5504156645d1f4ec7b3acabd Export of internal Abseil changes by Abseil Team - 98eb410c93ad059f9bba1bf43f5bb916fc92a5ea Export of internal Abseil changes by Abseil Team - bf78e977309c4cb946914b456404141ddac1c302 Export of internal Abseil changes by Abseil Team - d95d1567165d449e4c213ea31a15cbb112a9865f Export of internal Abseil changes by Abseil Team - 24713a7036a81498334807fa5c7ad3cb7c643711 Export of internal Abseil changes by Abseil Team - 72382c21fefed981b4b8a2a1b82e2d231c2c2e39 Export of internal Abseil changes by Abseil Team - 08a7e7bf972c8451855a5022f2faf3d3655db015 Export of internal Abseil changes by Abseil Team - 36bcd9599b3f48c99357ba61cf33584889306d6a Fix pointer format specifier in documentation (#614) by Andre Nguyen - 0f86336b6939ea673cc1cbe29189286cae67d63a Export of internal Abseil changes by Abseil Team - c512f118dde6ffd51cb7d8ac8804bbaf4d266c3a Export of internal Abseil changes by Abseil Team - 37dd2562ec830d547a1524bb306be313ac3f2556 Export of internal Abseil changes by Abseil Team - 44427702614d7b86b064ba06a390f5eb2f85dbf6 fix: Add support for more ARM processors detection (#608) by Andre Nguyen - 159bf2bf6d1cc8087e02468d071e94d1177d1bae Export of internal Abseil changes by Abseil Team - a2e6adecc294dc4cd98cc285a9134ce58e0f2ad0 Use https links. (#586) by nlewycky - 564001ae506a17c51fa1223684a78f05f91d3d91 Export of internal Abseil changes by Abseil Team - b3aaac8a37c467a1125c794196caa90d0957bdc3 Export of internal Abseil changes by Abseil Team - 63ee2f8877915a3565c29707dba8fe4d7822596a Export of internal Abseil changes by Abseil Team - a048203a881f11f4b7b8df5fb563aec85522f8db Export of internal Abseil changes by Abseil Team - 1de0166368e2ae67347f92099d6dca3ab3a4a496 Export of internal Abseil changes by Abseil Team - ad904b6cd3906ddf79878003d92b7bc08d7786ae Export of internal Abseil changes by Abseil Team - 29235139149790f5afc430c11cec8f1eb1677607 Export of internal Abseil changes by Abseil Team - bf86cfe165ef7d70dfe68f0b8fc0c018bc79a577 Export of internal Abseil changes by Abseil Team - 12bc53e0318d80569270a5b26ccbc62b52022b89 Export of internal Abseil changes by Abseil Team - 1e39f8626a4dadec1f56920b999dd4c3cfae333e Export of internal Abseil changes by Abseil Team - 77f87009a34c745255bd84d8f2647040d831a2b3 Export of internal Abseil changes by Abseil Team - d659fe54b35ab9b8e35c72e50a4b8814167d5a84 Export of internal Abseil changes by Abseil Team - a4b757b5d42694306a9de853cee0a5fba9c7bbe9 Export of internal Abseil changes by Abseil Team - 0514227d2547793b23e209809276375e41c76617 Export of internal Abseil changes by Abseil Team - 7f4fe64af80fe3c84db8ea938276c3690573c45e Export of internal Abseil changes by Abseil Team - 16d9fd58a51c6083234e2e9f8f50e49ed5ed02e4 Export of internal Abseil changes by Abseil Team - bcaae6009c0833b73c6fa7bdd972921d8081a724 Export of internal Abseil changes by Abseil Team - 8ba96a8244bbe334d09542e92d566673a65c1f78 Export of internal Abseil changes by Abseil Team - 2103fd9acdf58279f739860bff3f8c9f4b845605 Export of internal Abseil changes by Abseil Team - 3df7b52a6ada51a72a23796b844549a7b282f1b8 Export of internal Abseil changes by Abseil Team - fa8c75182fbfdeddb2485fc0d53baeda3f40b7a3 Export of internal Abseil changes by Abseil Team - 85092b4b648ca729c6263c4a302a41dfff28705e Fix Conan builds (#400) by Adrian Ostrowski - e96ae2203b80d5ae2e0b7abe0c77b722b224b16d Export of internal Abseil changes by Abseil Team - 20de2db748ca0471cfb61cb53e813dd12938c12b Export of internal Abseil changes by Abseil Team - 846e5dbedac123d12455adcfe6f53c8b5dcbfeef Export of internal Abseil changes by Abseil Team - 8207907f4f7fbaeeaa2b7340c76875e06fd345ba Export of internal Abseil changes by Abseil Team - 078b89b3c046d230ef3ad39494e5852184eb528b Export of internal Abseil changes by Abseil Team - 19b021cb3ff23048dfbe236a4e611925d8930831 Export of internal Abseil changes by Abseil Team - ecc0033b54847f6c9ee37dbb0be8aa17e5b6d37b Always enable proper symbolize implementation on Windows ... by Loo Rong Jie - 2796d500aea5a31d26b8b24a33fab7a1c8fa2f32 Export of internal Abseil changes by Abseil Team - e4c8d0eb8ef4acb5d7a4252b3b87feb391ef7e41 Export of internal Abseil changes by Abseil Team - a15364ce4d88534ae2295127e5d8e32aefb6b446 Export of internal Abseil changes by Abseil Team - ab3552a18964e7063c8324f45b3896a6a20b08a8 Export of internal Abseil changes by Abseil Team - e9f9000c7c80993cb589d011616b7a8016e42f4a Fix ABSL_WAITER_MODE detection for mingw (#342) by Joe Sylve - abea769b551f7a100f540967cb95debdb0080df8 Fix ABSL_HAVE_ALARM check on mingw (#341) by Joe Sylve - 25597bdfc148e91e27678ec30efa52f4fc8c164f Export of internal Abseil changes by Abseil Team - aad33fefaa8f744d71ce747a53717b835bdf8e84 Export of internal Abseil changes by Abseil Team - 8fe7214fe2d7a45ecc4d85f6a524c6b1532426de Export of internal Abseil changes by Abseil Team - debac94cfb5a0fa75d1d97c399682bd1c72e3191 Export of internal Abseil changes by Abseil Team - 882b3501a31eb0e4ae4213afb91a0e43feda7d5f Fix spelling errors (#384) by Sungmann Cho <55860394+chosungmann@users.noreply.github.com> - 502efe6d7841bff82b1aeef5500491fe9a48c635 Export of internal Abseil changes by Abseil Team - ccdd1d57b6386ebc26fb0c7d99b604672437c124 Export of internal Abseil changes by Abseil Team - ddf8e52a2918dd0ccec75d3e2426125fa3926724 Export of internal Abseil changes by Abseil Team - 6ec136281086b71da32b5fb068bd6e46b78a5c79 Export of internal Abseil changes by Abseil Team - ac78ffc3bc0a8b295cab9a03817760fd460df2a1 Export of internal Abseil changes by Abseil Team - 5374c56e5196320681993869e3126b51edac2a43 Export of internal Abseil changes by Abseil Team - 97c1664b4bbab5f78fac2b151ab02656268fb34b Export of internal Abseil changes by Abseil Team - 325fd7b042ff4ec34f7dd32e602cd81ad0e24b22 Export of internal Abseil changes by Abseil Team - 83c1d65c90a92aa49632b9ac5a793214bb0768bc Export of internal Abseil changes by Abseil Team - eb6b7bd23bc0815bfd784e1a74021ce166765280 Export of internal Abseil changes by Abseil Team - 9ddac555b7861dc178d0dbe758a1cfbed718784b Export of internal Abseil changes by Abseil Team - 1948f6f967e34db9793cfa8b4bcbaf370d039fd8 Export of internal Abseil changes by Abseil Team - a0d1e098c2f99694fa399b175a7ccf920762030e Export of internal Abseil changes by Abseil Team - 2d2d7fbc283315b676159716376e739d3d23ed94 Export of internal Abseil changes by Abseil Team - 0302d1e5fa4fcdd1763b7d1bb3212943b1ae911d supppress unused variable warning for gcc (#372) by Martin - 262d74ba81b1fc4d71f459555cde8ecb39786d68 Export of internal Abseil changes by Abseil Team - f0afae0d49af3e15a7169e019634d7719143d94d Export of internal Abseil changes by Abseil Team - 0e7afdcbd24c7e5b7cab4e0217d8886f1525b520 Export of internal Abseil changes by Abseil Team - 9a41ffdd3a0ccbcdd29c4e3886b28e06f2cd9c66 Export of internal Abseil changes by Abseil Team - 36910d3d7e9fccadd6603f232d0c4f54dcd47c7e [bazel] Add fixes for --incompatible_load_cc_rules_from_b... by Yannic - aae8143cf9aa611f70d7ea9b95b8b8b383b2271a Export of internal Abseil changes by Abseil Team - d9aa92d7fb324314f9df487ac23d32a25650b742 Export of internal Abseil changes by Abseil Team - 321ab5303023c86cd15d9ddc5740fb4b4fde32e1 Export of internal Abseil changes by Abseil Team - 4ef574064e75b86f115549e9eb4c7e806781b3ab Export of internal Abseil changes by Abseil Team GitOrigin-RevId: 0033c9ea91a52ade7c6b725aa2ef3cbe15463421 Change-Id: I8a2b70063cb3ab40c6943a6db0fe40cae71ed8d7 --- absl/abseil.podspec.gen.py | 229 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 229 insertions(+) create mode 100755 absl/abseil.podspec.gen.py (limited to 'absl/abseil.podspec.gen.py') diff --git a/absl/abseil.podspec.gen.py b/absl/abseil.podspec.gen.py new file mode 100755 index 00000000..6aefb794 --- /dev/null +++ b/absl/abseil.podspec.gen.py @@ -0,0 +1,229 @@ +#!/usr/bin/env python3 +# -*- coding: utf-8 -*- +"""This script generates abseil.podspec from all BUILD.bazel files. + +This is expected to run on abseil git repository with Bazel 1.0 on Linux. +It recursively analyzes BUILD.bazel files using query command of Bazel to +dump its build rules in XML format. From these rules, it constructs podspec +structure. +""" + +import argparse +import collections +import os +import re +import subprocess +import xml.etree.ElementTree + +# Template of root podspec. +SPEC_TEMPLATE = """ +# This file has been automatically generated from a script. +# Please make modifications to `abseil.podspec.gen.py` instead. +Pod::Spec.new do |s| + s.name = 'abseil' + s.version = '${version}' + s.summary = 'Abseil Common Libraries (C++) from Google' + s.homepage = 'https://abseil.io' + s.license = 'Apache License, Version 2.0' + s.authors = { 'Abseil Team' => 'abseil-io@googlegroups.com' } + s.source = { + :git => 'https://github.com/abseil/abseil-cpp.git', + :tag => '${tag}', + } + s.module_name = 'absl' + s.header_mappings_dir = 'absl' + s.header_dir = 'absl' + s.libraries = 'c++' + s.compiler_flags = '-Wno-everything' + s.pod_target_xcconfig = { + 'USER_HEADER_SEARCH_PATHS' => '$(inherited) "$(PODS_TARGET_SRCROOT)"', + 'USE_HEADERMAP' => 'NO', + 'ALWAYS_SEARCH_USER_PATHS' => 'NO', + } + s.ios.deployment_target = '7.0' + s.osx.deployment_target = '10.9' + s.tvos.deployment_target = '9.0' + s.watchos.deployment_target = '2.0' +""" + +# Rule object representing the rule of Bazel BUILD. +Rule = collections.namedtuple( + "Rule", "type name package srcs hdrs textual_hdrs deps visibility testonly") + + +def get_elem_value(elem, name): + """Returns the value of XML element with the given name.""" + for child in elem: + if child.attrib.get("name") != name: + continue + if child.tag == "string": + return child.attrib.get("value") + if child.tag == "boolean": + return child.attrib.get("value") == "true" + if child.tag == "list": + return [nested_child.attrib.get("value") for nested_child in child] + raise "Cannot recognize tag: " + child.tag + return None + + +def normalize_paths(paths): + """Returns the list of normalized path.""" + # e.g. ["//absl/strings:dir/header.h"] -> ["absl/strings/dir/header.h"] + return [path.lstrip("/").replace(":", "/") for path in paths] + + +def parse_rule(elem, package): + """Returns a rule from bazel XML rule.""" + return Rule( + type=elem.attrib["class"], + name=get_elem_value(elem, "name"), + package=package, + srcs=normalize_paths(get_elem_value(elem, "srcs") or []), + hdrs=normalize_paths(get_elem_value(elem, "hdrs") or []), + textual_hdrs=normalize_paths(get_elem_value(elem, "textual_hdrs") or []), + deps=get_elem_value(elem, "deps") or [], + visibility=get_elem_value(elem, "visibility") or [], + testonly=get_elem_value(elem, "testonly") or False) + + +def read_build(package): + """Runs bazel query on given package file and returns all cc rules.""" + result = subprocess.check_output( + ["bazel", "query", package + ":all", "--output", "xml"]) + root = xml.etree.ElementTree.fromstring(result) + return [ + parse_rule(elem, package) + for elem in root + if elem.tag == "rule" and elem.attrib["class"].startswith("cc_") + ] + + +def collect_rules(root_path): + """Collects and returns all rules from root path recursively.""" + rules = [] + for cur, _, _ in os.walk(root_path): + build_path = os.path.join(cur, "BUILD.bazel") + if os.path.exists(build_path): + rules.extend(read_build("//" + cur)) + return rules + + +def relevant_rule(rule): + """Returns true if a given rule is relevant when generating a podspec.""" + return ( + # cc_library only (ignore cc_test, cc_binary) + rule.type == "cc_library" and + # ignore empty rule + (rule.hdrs + rule.textual_hdrs + rule.srcs) and + # ignore test-only rule + not rule.testonly) + + +def get_spec_var(depth): + """Returns the name of variable for spec with given depth.""" + return "s" if depth == 0 else "s{}".format(depth) + + +def get_spec_name(label): + """Converts the label of bazel rule to the name of podspec.""" + assert label.startswith("//absl/"), "{} doesn't start with //absl/".format( + label) + # e.g. //absl/apple/banana -> abseil/apple/banana + return "abseil/" + label[7:] + + +def write_podspec(f, rules, args): + """Writes a podspec from given rules and args.""" + rule_dir = build_rule_directory(rules)["abseil"] + # Write root part with given arguments + spec = re.sub(r"\$\{(\w+)\}", lambda x: args[x.group(1)], + SPEC_TEMPLATE).lstrip() + f.write(spec) + # Write all target rules + write_podspec_map(f, rule_dir, 0) + f.write("end\n") + + +def build_rule_directory(rules): + """Builds a tree-style rule directory from given rules.""" + rule_dir = {} + for rule in rules: + cur = rule_dir + for frag in get_spec_name(rule.package).split("/"): + cur = cur.setdefault(frag, {}) + cur[rule.name] = rule + return rule_dir + + +def write_podspec_map(f, cur_map, depth): + """Writes podspec from rule map recursively.""" + for key, value in sorted(cur_map.items()): + indent = " " * (depth + 1) + f.write("{indent}{var0}.subspec '{key}' do |{var1}|\n".format( + indent=indent, + key=key, + var0=get_spec_var(depth), + var1=get_spec_var(depth + 1))) + if isinstance(value, dict): + write_podspec_map(f, value, depth + 1) + else: + write_podspec_rule(f, value, depth + 1) + f.write("{indent}end\n".format(indent=indent)) + + +def write_podspec_rule(f, rule, depth): + """Writes podspec from given rule.""" + indent = " " * (depth + 1) + spec_var = get_spec_var(depth) + # Puts all files in hdrs, textual_hdrs, and srcs into source_files. + # Since CocoaPods treats header_files a bit differently from bazel, + # this won't generate a header_files field so that all source_files + # are considered as header files. + srcs = sorted(set(rule.hdrs + rule.textual_hdrs + rule.srcs)) + write_indented_list( + f, "{indent}{var}.source_files = ".format(indent=indent, var=spec_var), + srcs) + # Writes dependencies of this rule. + for dep in sorted(rule.deps): + name = get_spec_name(dep.replace(":", "/")) + f.write("{indent}{var}.dependency '{dep}'\n".format( + indent=indent, var=spec_var, dep=name)) + + +def write_indented_list(f, leading, values): + """Writes leading values in an indented style.""" + f.write(leading) + f.write((",\n" + " " * len(leading)).join("'{}'".format(v) for v in values)) + f.write("\n") + + +def generate(args): + """Generates a podspec file from all BUILD files under absl directory.""" + rules = filter(relevant_rule, collect_rules("absl")) + with open(args.output, "wt") as f: + write_podspec(f, rules, vars(args)) + + +def main(): + parser = argparse.ArgumentParser( + description="Generates abseil.podspec from BUILD.bazel") + parser.add_argument( + "-v", "--version", help="The version of podspec", required=True) + parser.add_argument( + "-t", + "--tag", + default=None, + help="The name of git tag (default: version)") + parser.add_argument( + "-o", + "--output", + default="abseil.podspec", + help="The name of output file (default: abseil.podspec)") + args = parser.parse_args() + if args.tag is None: + args.tag = args.version + generate(args) + + +if __name__ == "__main__": + main() -- cgit v1.2.3