fix: 修复若干问题，添加java lsp

backend/jdt-language-server-1.57.0-202602111032/bin/jdtls

@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+###############################################################################
+# Copyright (c) 2022 Marc Schreiber and others.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Eclipse Public License 2.0 which is available at
+# http://www.eclipse.org/legal/epl-2.0.
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+# Marc Schreiber - initial API and implementation
+###############################################################################
+import importlib.util
+import sys
+import os
+
+script_dir = os.path.dirname(os.path.realpath(__file__))
+file_path = os.path.join(script_dir, "jdtls.py")
+
+spec = importlib.util.spec_from_file_location("jdtls", file_path)
+jdtls = importlib.util.module_from_spec(spec)
+sys.modules["jdtls"] = jdtls
+spec.loader.exec_module(jdtls)
+
+jdtls.main(sys.argv[1:])

backend/jdt-language-server-1.57.0-202602111032/bin/jdtls.bat

@@ -0,0 +1,3 @@
+@echo off
+python %~dp0/jdtls %*
+pause

backend/jdt-language-server-1.57.0-202602111032/bin/jdtls.py

@@ -0,0 +1,136 @@
+###############################################################################
+# Copyright (c) 2022 Marc Schreiber and others.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Eclipse Public License 2.0 which is available at
+# http://www.eclipse.org/legal/epl-2.0.
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+# Marc Schreiber - initial API and implementation
+###############################################################################
+import argparse
+from hashlib import sha1
+import os
+import platform
+import re
+import subprocess
+from pathlib import Path
+import tempfile
+
+def get_java_executable(known_args):
+	if known_args.java_executable is not None:
+		java_executable = known_args.java_executable
+	else:
+		java_executable = 'java'
+
+		if 'JAVA_HOME' in os.environ:
+			ext = '.exe' if platform.system() == 'Windows' else ''
+			java_exec_to_test = Path(os.environ['JAVA_HOME']) / 'bin' / f'java{ext}'
+			if java_exec_to_test.is_file():
+				java_executable = str(java_exec_to_test.resolve())
+
+	if not known_args.validate_java_version:
+		return java_executable
+
+	java_major_version = get_java_major_version(java_executable)
+
+	if java_major_version < 21:
+		raise Exception("jdtls requires at least Java 21")
+
+	return java_executable
+
+def get_java_major_version (java_executable):
+	out = subprocess.check_output([java_executable, '-version'], stderr = subprocess.STDOUT, universal_newlines=True)
+
+	matches = re.finditer(r"(?<=version\s\")(?P<major>\d+)(\.\d+\.\d+(_\d+)?)?", out)
+	for match in matches:
+		return int(match.group("major"))
+
+	raise Exception("Could not determine Java version")
+
+def find_equinox_launcher(jdtls_base_directory):
+	plugins_dir = jdtls_base_directory / "plugins"
+	if (plugins_dir / 'org.eclipse.equinox.launcher.jar').is_file():
+		# mason-registry packaging
+		return str(plugins_dir / 'org.eclipse.equinox.launcher.jar')
+
+	launchers = plugins_dir.glob('org.eclipse.equinox.launcher_*.jar')
+	for launcher in launchers:
+		return str(plugins_dir / launcher)
+
+	raise Exception("Cannot find equinox launcher")
+
+def get_shared_config_path(jdtls_base_path):
+	system = platform.system()
+
+	if system in ['Linux', 'FreeBSD']:
+		config_dir = 'config_linux'
+	elif system == 'Darwin':
+		config_dir = 'config_mac'
+	elif system == 'Windows':
+		config_dir = 'config_win'
+	else:
+		raise Exception("Unknown platform {} detected".format(system))
+
+	return str(jdtls_base_path / config_dir)
+
+def main(args):
+	cwd_name = os.path.basename(os.getcwd())
+
+	system = platform.system()
+
+	if system == 'Windows' and 'APPDATA' in os.environ:
+		cachedir = Path(os.environ['APPDATA'])
+	elif system == 'Darwin' and 'HOME' in os.environ:
+		cachedir = Path(os.environ['HOME']) / 'Library' / 'Caches'
+	elif system == 'Linux' and 'HOME' in os.environ:
+		cachedir = Path(os.environ['HOME']) / '.cache'
+	else:
+		cachedir = Path(tempfile.gettempdir())
+
+	cachedir = cachedir / 'jdtls'
+	jdtls_data_path = os.path.join(cachedir, "jdtls-" + sha1(cwd_name.encode()).hexdigest())
+
+	parser = argparse.ArgumentParser()
+	parser.add_argument('--validate-java-version', action='store_true', default=True)
+	parser.add_argument('--no-validate-java-version', dest='validate_java_version', action='store_false')
+	parser.add_argument("--java-executable", help="Path to java executable used to start runtime.")
+	parser.add_argument("--jvm-arg",
+			default=[],
+			action="append",
+			help="An additional JVM option (can be used multiple times. Note, use with equal sign. For example: --jvm-arg=-Dlog.level=ALL")
+	parser.add_argument("-data", default=jdtls_data_path)
+
+	known_args, args = parser.parse_known_args(args)
+	java_executable = get_java_executable(known_args)
+	java_major_version = get_java_major_version(java_executable)
+
+	jdtls_base_path = Path(__file__).parent.parent
+	shared_config_path = get_shared_config_path(jdtls_base_path)
+	jar_path = find_equinox_launcher(jdtls_base_path)
+
+	exec_args = ["-Declipse.application=org.eclipse.jdt.ls.core.id1",
+			"-Dosgi.bundles.defaultStartLevel=4",
+			"-Declipse.product=org.eclipse.jdt.ls.core.product",
+			"-Dosgi.checkConfiguration=true",
+			"-Dosgi.sharedConfiguration.area=" + shared_config_path,
+			"-Dosgi.sharedConfiguration.area.readOnly=true",
+			"-Dosgi.configuration.cascaded=true",
+			"-Xms1G",
+			"--add-modules=ALL-SYSTEM",
+			"--add-opens", "java.base/java.util=ALL-UNNAMED",
+			"--add-opens", "java.base/java.lang=ALL-UNNAMED"] \
+			+ known_args.jvm_arg \
+			+ ["-jar", jar_path,
+			"-data", known_args.data] \
+			+ args
+
+	if (java_major_version >= 24):
+		exec_args = [ '-Djdk.xml.maxGeneralEntitySizeLimit=0', '-Djdk.xml.totalEntitySizeLimit=0' ] + exec_args
+
+	if os.name == 'posix':
+		os.execvp(java_executable, exec_args)
+	else:
+		subprocess.run([java_executable] + exec_args)