lean2/bin/linja

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2014-08-30 00:01:53 +00:00
#!/usr/bin/env python2.7
# -*- coding: utf-8 -*-
2014-08-29 21:45:13 +00:00
#
# Copyright (c) 2014 Microsoft Corporation. All rights reserved.
# Released under Apache 2.0 license as described in the file LICENSE.
#
# Author: Soonho Kong
#
import argparse
import fnmatch
import glob
import os
import platform
import shutil
import stat
import subprocess
import sys
import tempfile
import threading
import urllib
g_lean_path = "USE DEFAULT"
g_ltags_path = "USE DEFAULT"
g_ninja_path = "USE DEFAULT"
g_working_dir = os.getcwd()
g_lean_files = []
g_linja_path = os.path.realpath(__file__)
g_lean_bin_dir = os.path.dirname(g_linja_path)
g_lean_options = []
def which(program):
""" Lookup program in a path """
import os
def is_exe(fpath):
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
fpath, fname = os.path.split(program)
if fpath:
if is_exe(program):
return program
else:
for path in os.environ["PATH"].split(os.pathsep):
path = path.strip('"')
exe_file = os.path.join(path, program)
if is_exe(exe_file):
return exe_file
return None
def log(msg):
print >> sys.stderr, msg
def log_nonewline(msg):
print >> sys.stderr, ("\r%s" % msg),
sys.stderr.flush()
def error(msg):
log("Error: %s" % msg)
exit(1)
class LinjaException(Exception):
"""Custom Exception"""
def __init__(self, msg):
self.msg = msg
def __str__(self):
return self.msg
def give_exec_permission(filename):
"chmod +x filename"
st = os.stat(filename)
os.chmod(filename, st.st_mode | stat.S_IEXEC)
def show_download_progress(*data):
file_size = int(data[2]/1000)
total_packets = data[2]/data[1]
downloaded_packets = data[0]
log_nonewline("Download: size\t= %i kb, packet: %i/%i" % (file_size, downloaded_packets, total_packets+1))
def get_ninja_url():
prefix = "https://leanprover.github.io/bin/"
if platform.architecture()[0] == "64bit":
if platform.system() == "Linux":
return prefix + "ninja-1.5.1-linux-x86_64"
elif platform.system() == "Windows":
return prefix + "ninja-1.5.1-win.exe"
elif platform.system() == "Darwin":
return prefix + "ninja-1.5.1-osx"
if platform.architecture()[0] == "32bit":
if platform.system() == "Linux":
return prefix + "ninja-1.5.1-linux-i386"
elif platform.system() == "Windows":
pass # TODO(soonhok): add support
elif platform.system() == "Darwin":
pass # TODO(soonhok): add support
error("we do not have ninja executable for this platform: %s" % platform.platform())
def build_ninja_and_save_at(ninja_path, platform):
saved_current_dir = os.getcwd()
tempdir = tempfile.mkdtemp()
build_dir = os.path.join(tempdir, "ninja")
built_ninja_path = os.path.join(build_dir, "ninja")
cmd_clone_ninja = ["git", "clone", "git://github.com/martine/ninja.git"]
cmd_checkout_release = ["git", "checkout", "release"]
cmd_bootstrap = [os.path.join(build_dir, "bootstrap.py"), "--platform", platform]
try:
os.chdir(tempdir)
if subprocess.call(cmd_clone_ninja):
raise LinjaException("Failed to clone ninja repository")
os.chdir(os.path.join(build_dir))
if subprocess.call(cmd_checkout_release):
raise LinjaException("Failed to checkout release branch of ninja")
if subprocess.call(cmd_bootstrap):
raise LinjaException("Failed to build ninja")
shutil.copy2(built_ninja_path, ninja_path)
except IOError as e:
error(e)
except LinjaException as e:
error(e)
finally:
os.chdir(saved_current_dir)
shutil.rmtree(tempdir)
return ninja_path
def download_ninja_and_save_at(ninja_path):
if platform.system().startswith("CYGWIN"):
return build_ninja_and_save_at(ninja_path, "linux")
else:
url = get_ninja_url()
log("Downloading ninja: %s ===> %s\n" % (url, ninja_path))
urllib.urlretrieve(url, ninja_path, show_download_progress)
log("\n")
if not os.path.isfile(ninja_path):
error("failed to download ninja executable from %s" % url)
give_exec_permission(ninja_path)
return ninja_path
def check_required_packages():
global g_lean_path, g_ltags_path, g_ninja_path
lean_exec_name = "lean.exe" if platform.system() == "Windows" else "lean"
ltags_exec_name = "ltags.exe" if platform.system() == "Windows" else "ltags"
ninja_exec_name = "ninja.exe" if platform.system() == "Windows" else "ninja"
if g_lean_path == "USE DEFAULT":
g_lean_path = which(lean_exec_name) or os.path.join(g_lean_bin_dir, lean_exec_name)
if g_ltags_path == "USE DEFAULT":
g_ltags_path = which(ltags_exec_name) or os.path.join(g_lean_bin_dir, ltags_exec_name)
if g_ninja_path == "USE DEFAULT":
g_ninja_path = which(ninja_exec_name) or os.path.join(g_lean_bin_dir, ninja_exec_name)
if not os.path.isfile(g_lean_path):
error("cannot find lean executable at " + g_lean_path)
if not os.path.isfile(g_ltags_path):
error("cannot find ltags executable at " + g_ltags_path)
if not os.path.isfile(g_ninja_path):
g_ninja_path = download_ninja_and_save_at(g_ninja_path)
def make_deps(lean_file, dlean_file, olean_file):
with open(dlean_file, "w") as f:
deps = []
proc = subprocess.Popen([g_lean_path, "--deps", lean_file], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
output = proc.communicate()[0]
print >> f, olean_file + ": \\"
for olean_file in output.strip().split("\n"):
deps.append(olean_file)
deps_str = " " + (" \\\n ".join(deps))
print >> f, deps_str
def get_lean_names(lean_file, args):
basename, ext = os.path.splitext(lean_file)
item = {}
item['base'] = basename; item['lean'] = basename + ".lean";
item['d'] = basename + ".d"; item['olean'] = basename + ".olean";
item['ilean'] = basename + ".ilean"
if args.cache and len(args.targets) == 1 and item['lean'] == args.targets[0]:
item['clean'] = args.cache
else:
item['clean'] = basename + ".clean";
return item
def make_deps_all_files(directory, args):
lean_files = find_lean_files(directory, args)
threads = []
i, num_of_files = 1, len(lean_files)
for item in lean_files:
lean_file = item['lean']
dlean_file = item['d']
olean_file = item['olean']
if not os.path.isfile(dlean_file) or os.path.getmtime(dlean_file) < os.path.getmtime(lean_file):
thread = threading.Thread(target=make_deps, args = [lean_file, dlean_file, olean_file])
sys.stderr.write("[%i/%i] generating dep... % -80s\r" % (i, num_of_files, dlean_file))
sys.stderr.flush()
thread.start()
threads.append(thread)
i += 1
for thread in threads:
thread.join()
if threads != []:
sys.stderr.write("\n")
def rule_clean():
return """rule CLEAN
command = "%s" -t clean
description = Cleaning all built files...""" % g_ninja_path
def rule_lean():
return """rule LEAN
depfile = ${DLEAN_FILE}
command = "%s" %s "$in" -o "${OLEAN_FILE}" -c "${CLEAN_FILE}" -i "${ILEAN_FILE}" """ \
% (g_lean_path, " ".join(g_lean_options))
def rule_tags():
return """rule LTAGS
command = "%s" $in """ % (g_ltags_path)
def build_all(lean_files):
str = "build all: phony"
for item in lean_files:
str = str + " " + item['olean']
return str
def build_tags(lean_files):
tags_file = os.path.join(g_working_dir, "TAGS")
str = "build tags: phony " + tags_file + "\n"
str += "build " + tags_file + ": LTAGS"
for item in lean_files:
str = str + " " + item['ilean']
return str
def build_clean():
return """build clean: CLEAN"""
def build_olean(lean, olean, clean, dlean, ilean, base):
if clean.startswith(base):
str = """build %s %s %s: LEAN %s | %s\n""" % (olean, ilean, clean, lean, dlean)
else:
str = """build %s %s: LEAN %s | %s\n""" % (olean, ilean, lean, dlean)
str += " DLEAN_FILE=%s\n" % dlean
str += " OLEAN_FILE=%s\n" % olean
str += " CLEAN_FILE=%s\n" % clean
str += " ILEAN_FILE=%s\n" % ilean
return str
def ninja_default():
return """default all"""
def make_build_ninja(directory, args):
with open(os.path.join(directory, "build.ninja"), "w") as f:
lean_files = find_lean_files(directory, args)
print >> f, rule_clean()
print >> f, rule_lean()
print >> f, rule_tags()
print >> f, build_all(lean_files)
print >> f, build_tags(lean_files)
print >> f, build_clean()
for item in lean_files:
print >> f, build_olean(item['lean'], item['olean'], item['clean'], item['d'], item['ilean'], item['base'])
print >> f, ninja_default()
def find_project_upward(path):
project_file = os.path.join(path, ".project")
if os.path.isfile(project_file):
return path
up = os.path.dirname(path)
if up != path:
return find_project_upward(up)
return None
def handle_failure_for_flycheck(out, err, args):
if len(args.targets) == 0:
error("handle_failure_for_flycheck is called without targets")
target = args.targets[0]
failed = set()
for line in out.split("\n"):
if line.startswith("FAILED:"):
for lean_file in g_lean_files:
lean = lean_file['lean']
if lean in line and lean != target:
failed.add(lean)
for failed_file in failed:
print "FLYCHECK_BEGIN ERROR"
print "%s:1:0: error: failed to compile %s" % (target, failed_file)
print "FLYCHECK_END"
if err:
print "FLYCHECK_BEGIN ERROR"
print "%s:1:0: error: %s" % (target, err.strip())
print "FLYCHECK_END"
if failed:
call_lean(target, args)
def print_flycheck_output_upto_n(target, out, n):
if target.endswith(".olean"):
target = target[:-5] + "lean"
if not target.endswith(".lean") or n == None:
print out
return
inside_of_flycheck = False
reach_limit = False
flycheck_header = "FLYCHECK_BEGIN"
flycheck_footer = "FLYCHECK_END"
lines = out.split("\n")
lines_len = len(lines)
count = 0
i = 0
current_file = ""
while i < lines_len:
line = lines[i]
if line.startswith(flycheck_header):
inside_of_flycheck = True
current_file = lines[i+1].split(":")[0]
if inside_of_flycheck and not reach_limit:
print line
if line.startswith(flycheck_footer):
if current_file == target:
count += 1
inside_of_flycheck = False
if count >= n:
reach_limit = True
i += 1
if reach_limit:
print "FLYCHECK_BEGIN ERROR"
print "%s:1:0: error: For performance, we only display %d errors/warnings out of %d. (lean-flycheck-max-messages-to-display)" % (target, n, count)
print "FLYCHECK_END"
def call_ninja(directory, args):
targets = []
for item in args.targets:
if item.endswith(".lean"):
targets.append(item[:-4] + "olean")
else:
targets.append(item)
proc_out = proc_err = None
if args.flycheck:
proc_out = subprocess.PIPE
proc_err = subprocess.PIPE
proc = subprocess.Popen([g_ninja_path] + targets, stdout=proc_out, stderr=proc_err)
proc.wait()
if args.flycheck:
(out, err) = proc.communicate()
if len(args.targets) == 1 and args.targets[0].endswith(".lean"):
print_flycheck_output_upto_n(targets[0], out, args.flycheck_max_messages)
handle_failure_for_flycheck(out, err, args)
else:
print out + err
return proc.returncode
def call_lean(filename, args):
lean_options = list(g_lean_options)
if args.cache:
lean_options += ["-c", args.cache]
proc = subprocess.Popen([g_lean_path] + lean_options + [filename],
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
out = proc.communicate()[0]
print_flycheck_output_upto_n(filename, out, args.flycheck_max_messages)
return proc.returncode
def find_files(directory, pattern):
if "/" in pattern:
return glob.glob(os.path.join(directory, pattern))
matches = []
for root, dirnames, filenames in os.walk(directory):
for filename in fnmatch.filter(filenames, pattern):
matches.append(os.path.join(root, filename))
return matches
def find_lean_files(project_dir, args):
if g_lean_files != []:
return g_lean_files
files = set()
include_patterns, exclude_patterns = [], []
with open(os.path.join(project_dir, ".project"), 'r') as f:
for line in f:
c = line[0]
if c == '+':
include_patterns.append(line[1:].strip())
elif c == '-':
exclude_patterns.append(line[1:].strip())
elif c == '#':
pass # Comment
elif c == 'T':
pass # TAG
elif c == 'O':
pass # Lean Option
for pattern in include_patterns:
files |= set(find_files(project_dir, pattern))
for pattern in exclude_patterns:
files -= set(find_files(project_dir, pattern))
for file in args.targets:
file = os.path.abspath(file)
if file.endswith(".lean"):
files.add(file)
elif file.endswith(".olean"):
file.add(file[:-5] + "lean")
for f in files:
g_lean_files.append(get_lean_names(f, args))
return g_lean_files
def expand_target_to_fullname(target):
if target in ["all", "clean", "tags", "clear-cache"]:
return target
elif os.path.isfile(target):
return os.path.abspath(target)
else:
return os.path.join(g_working_dir, target)
def parse_arg(argv):
global g_working_dir
parser = argparse.ArgumentParser(description='linja: ninja build wrapper for Lean theorem prover.')
parser.add_argument('--flycheck', '-F', action='store_true', default=False, help="Use --flycheck option for Lean.")
parser.add_argument('--flycheck-max-messages', action='store', type=int, default=None, const=999999, nargs='?', help="Number of maximum flycheck messages to display.")
parser.add_argument('--cache', action='store', help="Use specified cache (clean) file.")
parser.add_argument('--directory', '-C', action='store', help="change to DIR before doing anything else.")
parser.add_argument('--lean-config-option', '-D', action='append', help="set a Lean configuration option (name=value)")
parser.add_argument('targets', nargs='*')
args = parser.parse_args(argv)
if (args.flycheck == False and args.flycheck_max_messages != None):
error("Please use --flycheck option with --flycheck-max-messages option.")
if args.cache:
args.cache = expand_target_to_fullname(args.cache)
if len(args.targets) != 1:
error("--cache option can only be used with one target")
if not args.cache.endswith(".lean"):
error("cache argument has to be ends with .lean")
args.cache = args.cache[:-4] + "clean"
args.targets = map(expand_target_to_fullname, args.targets)
if args.directory:
os.chdir(args.directory)
g_working_dir = args.directory
return args
def get_lean_options(args):
options = []
if args.flycheck:
options.append("--flycheck")
if args.lean_config_option:
for item in args.lean_config_option:
options.append("-D" + item)
return options
def clear_cache(project_dir, args):
for item in find_lean_files(project_dir, args):
if os.path.isfile(item['clean']):
os.remove(item['clean'])
def main(argv=None):
global g_lean_options
if argv is None:
argv = sys.argv[1:]
check_required_packages()
args = parse_arg(argv)
project_dir = find_project_upward(g_working_dir)
g_lean_options += get_lean_options(args)
if not project_dir and args.targets in [[], ["all"], ["clean"], ["tags"], ["clear-cache"]]:
error("cannot find project directory. Make sure that you have .project file at the project root.")
if project_dir:
os.chdir(project_dir)
if args.targets == ["clear-cache"]:
args.targets = []
clear_cache(project_dir, args)
return 0
if not "clean" in args.targets:
make_deps_all_files(project_dir, args)
make_build_ninja(project_dir, args)
return call_ninja(project_dir, args)
else:
returncode = 0
for filename in args.targets:
if os.path.isfile(filename) and filename.endswith(".lean"):
returncode |= call_lean(filename, args)
return returncode
if __name__ == "__main__":
sys.exit(main())