Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 104 insertions, 0 deletions

diff --git a/meson/mesonbuild/compilers/java.py b/meson/mesonbuild/compilers/java.py
new file mode 100644
index 000000000..ab8245057
--- /dev/null
+++ b/meson/mesonbuild/compilers/java.py
@@ -0,0 +1,104 @@
+# Copyright 2012-2017 The Meson development team
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os.path
+import shutil
+import subprocess
+import textwrap
+import typing as T
+
+from ..mesonlib import EnvironmentException, MachineChoice
+from .compilers import Compiler, java_buildtype_args
+from .mixins.islinker import BasicLinkerIsCompilerMixin
+
+if T.TYPE_CHECKING:
+    from ..envconfig import MachineInfo
+    from ..environment import Environment
+
+class JavaCompiler(BasicLinkerIsCompilerMixin, Compiler):
+
+    language = 'java'
+
+    def __init__(self, exelist: T.List[str], version: str, for_machine: MachineChoice,
+                 info: 'MachineInfo', full_version: T.Optional[str] = None):
+        super().__init__(exelist, version, for_machine, info, full_version=full_version)
+        self.id = 'unknown'
+        self.javarunner = 'java'
+
+    def get_werror_args(self) -> T.List[str]:
+        return ['-Werror']
+
+    def get_output_args(self, subdir: str) -> T.List[str]:
+        if subdir == '':
+            subdir = './'
+        return ['-d', subdir, '-s', subdir]
+
+    def get_pic_args(self) -> T.List[str]:
+        return []
+
+    def get_pch_use_args(self, pch_dir: str, header: str) -> T.List[str]:
+        return []
+
+    def get_pch_name(self, name: str) -> str:
+        return ''
+
+    def get_buildtype_args(self, buildtype: str) -> T.List[str]:
+        return java_buildtype_args[buildtype]
+
+    def compute_parameters_with_absolute_paths(self, parameter_list: T.List[str],
+                                               build_dir: str) -> T.List[str]:
+        for idx, i in enumerate(parameter_list):
+            if i in ['-cp', '-classpath', '-sourcepath'] and idx + 1 < len(parameter_list):
+                path_list = parameter_list[idx + 1].split(os.pathsep)
+                path_list = [os.path.normpath(os.path.join(build_dir, x)) for x in path_list]
+                parameter_list[idx + 1] = os.pathsep.join(path_list)
+
+        return parameter_list
+
+    def sanity_check(self, work_dir: str, environment: 'Environment') -> None:
+        src = 'SanityCheck.java'
+        obj = 'SanityCheck'
+        source_name = os.path.join(work_dir, src)
+        with open(source_name, 'w', encoding='utf-8') as ofile:
+            ofile.write(textwrap.dedent(
+                '''class SanityCheck {
+                  public static void main(String[] args) {
+                    int i;
+                  }
+                }
+                '''))
+        pc = subprocess.Popen(self.exelist + [src], cwd=work_dir)
+        pc.wait()
+        if pc.returncode != 0:
+            raise EnvironmentException('Java compiler %s can not compile programs.' % self.name_string())
+        runner = shutil.which(self.javarunner)
+        if runner:
+            cmdlist = [runner, obj]
+            pe = subprocess.Popen(cmdlist, cwd=work_dir)
+            pe.wait()
+            if pe.returncode != 0:
+                raise EnvironmentException('Executables created by Java compiler %s are not runnable.' % self.name_string())
+        else:
+            m = "Java Virtual Machine wasn't found, but it's needed by Meson. " \
+                "Please install a JRE.\nIf you have specific needs where this " \
+                "requirement doesn't make sense, please open a bug at " \
+                "https://github.com/mesonbuild/meson/issues/new and tell us " \
+                "all about it."
+            raise EnvironmentException(m)
+
+    def needs_static_linker(self) -> bool:
+        return False
+
+    def get_optimization_args(self, optimization_level: str) -> T.List[str]:
+        return []