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#!/usr/bin/env python3
# This script bumps the version of LLVM in *all* the different places where
# it needs to be defined. Which is quite a few.
import sys
import argparse
import packaging.version
from pathlib import Path
import re
from typing import Optional
class Processor:
def __init__(self, args):
self.args = args
def process_line(self, line: str) -> str:
raise NotImplementedError()
def process_file(self, fpath: Path, version: packaging.version.Version) -> None:
self.version = version
self.major, self.minor, self.patch, self.suffix = (
version.major,
version.minor,
version.micro,
version.pre,
)
if self.args.rc:
self.suffix = f"-rc{self.args.rc}"
if self.args.git:
self.suffix = "git"
data = fpath.read_text()
new_data = []
for line in data.splitlines(True):
nline = self.process_line(line)
# Print the failing line just to inform the user.
if nline != line:
print(f"{fpath.name}: {line.strip()} -> {nline.strip()}")
new_data.append(nline)
fpath.write_text("".join(new_data), newline="\n")
# Return a string from the version class
# optionally include the suffix (-rcX)
def version_str(
self,
version: Optional[packaging.version.Version] = None,
include_suffix: bool = True,
) -> str:
if version is None:
version = self.version
ver = f"{version.major}.{version.minor}.{version.micro}"
if include_suffix and version.pre:
ver += f"-{version.pre[0]}{version.pre[1]}"
return ver
# llvm/CMakeLists.txt
class CMakeProcessor(Processor):
def process_line(self, line: str) -> str:
nline = line
# LLVM_VERSION_SUFFIX should be set to -rcX or be blank if we are
# building a final version.
if "set(LLVM_VERSION_SUFFIX" in line:
if self.suffix:
nline = re.sub(
r"set\(LLVM_VERSION_SUFFIX(.*)\)",
f"set(LLVM_VERSION_SUFFIX {self.suffix})",
line,
)
else:
nline = re.sub(
r"set\(LLVM_VERSION_SUFFIX(.*)\)", f"set(LLVM_VERSION_SUFFIX)", line
)
# Check the rest of the LLVM_VERSION_ lines.
elif "set(LLVM_VERSION_" in line:
for c, cver in (
("MAJOR", self.major),
("MINOR", self.minor),
("PATCH", self.patch),
):
nline = re.sub(
rf"set\(LLVM_VERSION_{c} (\d+)",
rf"set(LLVM_VERSION_{c} {cver}",
line,
)
if nline != line:
break
return nline
# GN build system
class GNIProcessor(Processor):
def process_line(self, line: str) -> str:
if "llvm_version_" in line:
for c, cver in (
("major", self.major),
("minor", self.minor),
("patch", self.patch),
):
nline = re.sub(
rf"llvm_version_{c} = \d+", f"llvm_version_{c} = {cver}", line
)
if nline != line:
return nline
return line
# LIT python file, a simple tuple
class LitProcessor(Processor):
def process_line(self, line: str) -> str:
if "__versioninfo__" in line:
nline = re.sub(
rf"__versioninfo__(.*)\((\d+), (\d+), (\d+)\)",
f"__versioninfo__\\1({self.major}, {self.minor}, {self.patch})",
line,
)
return nline
return line
# Handle libc++ config header
class LibCXXProcessor(Processor):
def process_line(self, line: str) -> str:
# match #define _LIBCPP_VERSION 160000 in a relaxed way
match = re.match(r".*\s_LIBCPP_VERSION\s+(\d{6})$", line)
if match:
verstr = f"{str(self.major).zfill(2)}{str(self.minor).zfill(2)}{str(self.patch).zfill(2)}"
nline = re.sub(
rf"_LIBCPP_VERSION (\d+)",
f"_LIBCPP_VERSION {verstr}",
line,
)
return nline
return line
if __name__ == "__main__":
parser = argparse.ArgumentParser(
usage="Call this script with a version and it will bump the version for you"
)
parser.add_argument("version", help="Version to bump to, e.g. 15.0.1", default=None)
parser.add_argument("--rc", default=None, type=int, help="RC version")
parser.add_argument("--git", action="store_true", help="Git version")
parser.add_argument(
"-s",
"--source-root",
default=None,
help="LLVM source root (/path/llvm-project). Defaults to the llvm-project the script is located in.",
)
args = parser.parse_args()
if args.rc and args.git:
raise RuntimeError("Can't specify --git and --rc at the same time!")
verstr = args.version
# parse the version string.
# note that -rc will end up as version.pre here
# since it's a prerelease
version = packaging.version.parse(verstr)
# Find llvm-project root
source_root = Path(__file__).resolve().parents[3]
if args.source_root:
source_root = Path(args.source_root).resolve()
files_to_update = (
# Main CMakeLists.
(source_root / "cmake" / "Modules" / "LLVMVersion.cmake", CMakeProcessor(args)),
# Lit configuration
(
"llvm/utils/lit/lit/__init__.py",
LitProcessor(args),
),
# mlgo-utils configuration
(
"llvm/utils/mlgo-utils/mlgo/__init__.py",
LitProcessor(args),
),
# GN build system
(
"llvm/utils/gn/secondary/llvm/version.gni",
GNIProcessor(args),
),
(
"libcxx/include/__config",
LibCXXProcessor(args),
),
)
for f, processor in files_to_update:
processor.process_file(source_root / Path(f), version)
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