tree-sitter/tree-sitter-target.py

94 lines
2.9 KiB
Python

#!/usr/bin/python3
# SPDX-License-Identifier: GPL-2.0
# SPDX-FileCopyrightText: 2024 Björn Bidar
"""Generate compile commands by reading binding.gyp"""
# pylint: disable=invalid-name
# pylint: disable=too-many-branches
import argparse
from pathlib import Path
from typing import List, Dict, Optional
import ast
from copy import copy
parser = argparse.ArgumentParser(prog = Path(__file__).name,
description = "Generate compile commands by reading binding.gyp")
parser.add_argument('-b', '--binding', dest = "binding",
action="store", help="Path to binding file")
parser.add_argument('-g', '--grammar', dest = "grammars",
action= "append",
required = False,
help="Specify grammars in case binding file contains more than one grammar")
args = parser.parse_args()
if args.binding:
binding_gyp = Path(args.binding)
else:
binding_gyp = Path("binding.gyp")
if not binding_gyp.exists():
raise FileNotFoundError(f"bindings {binding_gyp.absolute()} not found")
with open(binding_gyp, 'r', encoding='utf8') as binding_raw:
binding = ast.literal_eval(binding_raw.read())
targets = binding['targets'][0]
def buildCompileCommand(target: Dict, grammars: Optional[List[str]] = None) -> Dict[
str,
List
]:
"""Generate compile commands from TARGET supplied found in GRAMMARS or src"""
cc = 'cc'
cflags_c = []
cflags_cc = []
commands = {}
base_command = [ cc, '-shared', '-fPIC']
suffixes_cc = ['cc', 'cxx', 'cpp']
if 'cflags_c' in target:
cflags_c = target['cflags_c']
if 'clfags_cc' in target:
cflags_cc = target['cflags_cc']
include_dirs = []
for include_dir in target['include_dirs']:
# Don't include any node commands
if not include_dir.startswith('<!'):
include_dirs+=[ include_dir ]
if not grammars:
grammars = { "src" }
for _grammar in grammars:
command = copy(base_command)
for include_dir in include_dirs:
command += '-I', include_dir
for source in target['sources']:
source = Path(source)
# We don't need node bindings
if source.parts[0] == "node":
continue
if not source.parts[0] == _grammar:
continue
for suffix_cc in suffixes_cc:
if source.name.endswith(suffix_cc):
command+= '-xc++', source
break
if source.name.endswith('.c'):
command+= '-xc', source
for flag in cflags_c, cflags_cc:
if flag:
command += flag
commands[_grammar] = command
return commands
if not args.grammars:
args.grammars = ["src"]
cc_cmd = buildCompileCommand(targets, args.grammars)
for grammar in args.grammars:
print(*cc_cmd[grammar])