14 files changed, 1671 insertions, 0 deletions
diff --git a/meson/mesonbuild/templates/__init__.py b/meson/mesonbuild/templates/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/meson/mesonbuild/templates/__init__.py
diff --git a/meson/mesonbuild/templates/cpptemplates.py b/meson/mesonbuild/templates/cpptemplates.py
new file mode 100644
index 000000000..61c273745
--- /dev/null
+++ b/meson/mesonbuild/templates/cpptemplates.py
@@ -0,0 +1,185 @@
+# Copyright 2019 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.
+from mesonbuild.templates.sampleimpl import SampleImpl
+import re
+
+
+hello_cpp_template = '''#include <iostream>
+
+#define PROJECT_NAME "{project_name}"
+
+int main(int argc, char **argv) {{
+    if(argc != 1) {{
+        std::cout << argv[0] <<  "takes no arguments.\\n";
+        return 1;
+    }}
+    std::cout << "This is project " << PROJECT_NAME << ".\\n";
+    return 0;
+}}
+'''
+
+hello_cpp_meson_template = '''project('{project_name}', 'cpp',
+  version : '{version}',
+  default_options : ['warning_level=3',
+                     'cpp_std=c++14'])
+
+exe = executable('{exe_name}', '{source_name}',
+  install : true)
+
+test('basic', exe)
+'''
+
+lib_hpp_template = '''#pragma once
+#if defined _WIN32 || defined __CYGWIN__
+  #ifdef BUILDING_{utoken}
+    #define {utoken}_PUBLIC __declspec(dllexport)
+  #else
+    #define {utoken}_PUBLIC __declspec(dllimport)
+  #endif
+#else
+  #ifdef BUILDING_{utoken}
+      #define {utoken}_PUBLIC __attribute__ ((visibility ("default")))
+  #else
+      #define {utoken}_PUBLIC
+  #endif
+#endif
+
+namespace {namespace} {{
+
+class {utoken}_PUBLIC {class_name} {{
+
+public:
+  {class_name}();
+  int get_number() const;
+
+private:
+
+  int number;
+
+}};
+
+}}
+
+'''
+
+lib_cpp_template = '''#include <{header_file}>
+
+namespace {namespace} {{
+
+{class_name}::{class_name}() {{
+    number = 6;
+}}
+
+int {class_name}::get_number() const {{
+  return number;
+}}
+
+}}
+'''
+
+lib_cpp_test_template = '''#include <{header_file}>
+#include <iostream>
+
+int main(int argc, char **argv) {{
+    if(argc != 1) {{
+        std::cout << argv[0] << " takes no arguments.\\n";
+        return 1;
+    }}
+    {namespace}::{class_name} c;
+    return c.get_number() != 6;
+}}
+'''
+
+lib_cpp_meson_template = '''project('{project_name}', 'cpp',
+  version : '{version}',
+  default_options : ['warning_level=3', 'cpp_std=c++14'])
+
+# These arguments are only used to build the shared library
+# not the executables that use the library.
+lib_args = ['-DBUILDING_{utoken}']
+
+shlib = shared_library('{lib_name}', '{source_file}',
+  install : true,
+  cpp_args : lib_args,
+  gnu_symbol_visibility : 'hidden',
+)
+
+test_exe = executable('{test_exe_name}', '{test_source_file}',
+  link_with : shlib)
+test('{test_name}', test_exe)
+
+# Make this library usable as a Meson subproject.
+{ltoken}_dep = declare_dependency(
+  include_directories: include_directories('.'),
+  link_with : shlib)
+
+# Make this library usable from the system's
+# package manager.
+install_headers('{header_file}', subdir : '{header_dir}')
+
+pkg_mod = import('pkgconfig')
+pkg_mod.generate(
+  name : '{project_name}',
+  filebase : '{ltoken}',
+  description : 'Meson sample project.',
+  subdirs : '{header_dir}',
+  libraries : shlib,
+  version : '{version}',
+)
+'''
+
+
+class CppProject(SampleImpl):
+    def __init__(self, options):
+        super().__init__()
+        self.name = options.name
+        self.version = options.version
+
+    def create_executable(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        source_name = lowercase_token + '.cpp'
+        open(source_name, 'w', encoding='utf-8').write(hello_cpp_template.format(project_name=self.name))
+        open('meson.build', 'w', encoding='utf-8').write(
+            hello_cpp_meson_template.format(project_name=self.name,
+                                            exe_name=lowercase_token,
+                                            source_name=source_name,
+                                            version=self.version))
+
+    def create_library(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        uppercase_token = lowercase_token.upper()
+        class_name = uppercase_token[0] + lowercase_token[1:]
+        test_exe_name = lowercase_token + '_test'
+        namespace = lowercase_token
+        lib_hpp_name = lowercase_token + '.hpp'
+        lib_cpp_name = lowercase_token + '.cpp'
+        test_cpp_name = lowercase_token + '_test.cpp'
+        kwargs = {'utoken': uppercase_token,
+                  'ltoken': lowercase_token,
+                  'header_dir': lowercase_token,
+                  'class_name': class_name,
+                  'namespace': namespace,
+                  'header_file': lib_hpp_name,
+                  'source_file': lib_cpp_name,
+                  'test_source_file': test_cpp_name,
+                  'test_exe_name': test_exe_name,
+                  'project_name': self.name,
+                  'lib_name': lowercase_token,
+                  'test_name': lowercase_token,
+                  'version': self.version,
+                  }
+        open(lib_hpp_name, 'w', encoding='utf-8').write(lib_hpp_template.format(**kwargs))
+        open(lib_cpp_name, 'w', encoding='utf-8').write(lib_cpp_template.format(**kwargs))
+        open(test_cpp_name, 'w', encoding='utf-8').write(lib_cpp_test_template.format(**kwargs))
+        open('meson.build', 'w', encoding='utf-8').write(lib_cpp_meson_template.format(**kwargs))
diff --git a/meson/mesonbuild/templates/cstemplates.py b/meson/mesonbuild/templates/cstemplates.py
new file mode 100644
index 000000000..bad7984e9
--- /dev/null
+++ b/meson/mesonbuild/templates/cstemplates.py
@@ -0,0 +1,134 @@
+# Copyright 2019 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.
+from mesonbuild.templates.sampleimpl import SampleImpl
+import re
+
+
+hello_cs_template = '''using System;
+
+public class {class_name} {{
+    const String PROJECT_NAME = "{project_name}";
+
+    static int Main(String[] args) {{
+      if (args.Length > 0) {{
+          System.Console.WriteLine(String.Format("{project_name} takes no arguments.."));
+          return 1;
+      }}
+      Console.WriteLine(String.Format("This is project {{0}}.", PROJECT_NAME));
+      return 0;
+    }}
+}}
+
+'''
+
+hello_cs_meson_template = '''project('{project_name}', 'cs',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+exe = executable('{exe_name}', '{source_name}',
+  install : true)
+
+test('basic', exe)
+'''
+
+lib_cs_template = '''
+public class {class_name} {{
+    private const int number = 6;
+
+    public int get_number() {{
+      return number;
+    }}
+}}
+
+'''
+
+lib_cs_test_template = '''using System;
+
+public class {class_test} {{
+    static int Main(String[] args) {{
+      if (args.Length > 0) {{
+          System.Console.WriteLine("{project_name} takes no arguments..");
+          return 1;
+      }}
+      {class_name} c = new {class_name}();
+      Boolean result = true;
+      return result.CompareTo(c.get_number() != 6);
+    }}
+}}
+
+'''
+
+lib_cs_meson_template = '''project('{project_name}', 'cs',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+stlib = shared_library('{lib_name}', '{source_file}',
+  install : true,
+)
+
+test_exe = executable('{test_exe_name}', '{test_source_file}',
+  link_with : stlib)
+test('{test_name}', test_exe)
+
+# Make this library usable as a Meson subproject.
+{ltoken}_dep = declare_dependency(
+  include_directories: include_directories('.'),
+  link_with : stlib)
+
+'''
+
+
+class CSharpProject(SampleImpl):
+    def __init__(self, options):
+        super().__init__()
+        self.name = options.name
+        self.version = options.version
+
+    def create_executable(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        uppercase_token = lowercase_token.upper()
+        class_name = uppercase_token[0] + lowercase_token[1:]
+        source_name = uppercase_token[0] + lowercase_token[1:] + '.cs'
+        open(source_name, 'w', encoding='utf-8').write(
+            hello_cs_template.format(project_name=self.name,
+                                     class_name=class_name))
+        open('meson.build', 'w', encoding='utf-8').write(
+          hello_cs_meson_template.format(project_name=self.name,
+                                         exe_name=self.name,
+                                         source_name=source_name,
+                                         version=self.version))
+
+    def create_library(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        uppercase_token = lowercase_token.upper()
+        class_name = uppercase_token[0] + lowercase_token[1:]
+        class_test = uppercase_token[0] + lowercase_token[1:] + '_test'
+        project_test = lowercase_token + '_test'
+        lib_cs_name = uppercase_token[0] + lowercase_token[1:] + '.cs'
+        test_cs_name = uppercase_token[0] + lowercase_token[1:] + '_test.cs'
+        kwargs = {'utoken': uppercase_token,
+                  'ltoken': lowercase_token,
+                  'class_test': class_test,
+                  'class_name': class_name,
+                  'source_file': lib_cs_name,
+                  'test_source_file': test_cs_name,
+                  'test_exe_name': project_test,
+                  'project_name': self.name,
+                  'lib_name': lowercase_token,
+                  'test_name': lowercase_token,
+                  'version': self.version,
+                  }
+        open(lib_cs_name, 'w', encoding='utf-8').write(lib_cs_template.format(**kwargs))
+        open(test_cs_name, 'w', encoding='utf-8').write(lib_cs_test_template.format(**kwargs))
+        open('meson.build', 'w', encoding='utf-8').write(lib_cs_meson_template.format(**kwargs))
diff --git a/meson/mesonbuild/templates/ctemplates.py b/meson/mesonbuild/templates/ctemplates.py
new file mode 100644
index 000000000..9b651bc8b
--- /dev/null
+++ b/meson/mesonbuild/templates/ctemplates.py
@@ -0,0 +1,166 @@
+# Copyright 2019 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.
+from mesonbuild.templates.sampleimpl import SampleImpl
+import re
+
+
+lib_h_template = '''#pragma once
+#if defined _WIN32 || defined __CYGWIN__
+  #ifdef BUILDING_{utoken}
+    #define {utoken}_PUBLIC __declspec(dllexport)
+  #else
+    #define {utoken}_PUBLIC __declspec(dllimport)
+  #endif
+#else
+  #ifdef BUILDING_{utoken}
+      #define {utoken}_PUBLIC __attribute__ ((visibility ("default")))
+  #else
+      #define {utoken}_PUBLIC
+  #endif
+#endif
+
+int {utoken}_PUBLIC {function_name}();
+
+'''
+
+lib_c_template = '''#include <{header_file}>
+
+/* This function will not be exported and is not
+ * directly callable by users of this library.
+ */
+int internal_function() {{
+    return 0;
+}}
+
+int {function_name}() {{
+    return internal_function();
+}}
+'''
+
+lib_c_test_template = '''#include <{header_file}>
+#include <stdio.h>
+
+int main(int argc, char **argv) {{
+    if(argc != 1) {{
+        printf("%s takes no arguments.\\n", argv[0]);
+        return 1;
+    }}
+    return {function_name}();
+}}
+'''
+
+lib_c_meson_template = '''project('{project_name}', 'c',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+# These arguments are only used to build the shared library
+# not the executables that use the library.
+lib_args = ['-DBUILDING_{utoken}']
+
+shlib = shared_library('{lib_name}', '{source_file}',
+  install : true,
+  c_args : lib_args,
+  gnu_symbol_visibility : 'hidden',
+)
+
+test_exe = executable('{test_exe_name}', '{test_source_file}',
+  link_with : shlib)
+test('{test_name}', test_exe)
+
+# Make this library usable as a Meson subproject.
+{ltoken}_dep = declare_dependency(
+  include_directories: include_directories('.'),
+  link_with : shlib)
+
+# Make this library usable from the system's
+# package manager.
+install_headers('{header_file}', subdir : '{header_dir}')
+
+pkg_mod = import('pkgconfig')
+pkg_mod.generate(
+  name : '{project_name}',
+  filebase : '{ltoken}',
+  description : 'Meson sample project.',
+  subdirs : '{header_dir}',
+  libraries : shlib,
+  version : '{version}',
+)
+'''
+
+hello_c_template = '''#include <stdio.h>
+
+#define PROJECT_NAME "{project_name}"
+
+int main(int argc, char **argv) {{
+    if(argc != 1) {{
+        printf("%s takes no arguments.\\n", argv[0]);
+        return 1;
+    }}
+    printf("This is project %s.\\n", PROJECT_NAME);
+    return 0;
+}}
+'''
+
+hello_c_meson_template = '''project('{project_name}', 'c',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+exe = executable('{exe_name}', '{source_name}',
+  install : true)
+
+test('basic', exe)
+'''
+
+
+class CProject(SampleImpl):
+    def __init__(self, options):
+        super().__init__()
+        self.name = options.name
+        self.version = options.version
+
+    def create_executable(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        source_name = lowercase_token + '.c'
+        open(source_name, 'w', encoding='utf-8').write(hello_c_template.format(project_name=self.name))
+        open('meson.build', 'w', encoding='utf-8').write(
+            hello_c_meson_template.format(project_name=self.name,
+                                          exe_name=lowercase_token,
+                                          source_name=source_name,
+                                          version=self.version))
+
+    def create_library(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        uppercase_token = lowercase_token.upper()
+        function_name = lowercase_token[0:3] + '_func'
+        test_exe_name = lowercase_token + '_test'
+        lib_h_name = lowercase_token + '.h'
+        lib_c_name = lowercase_token + '.c'
+        test_c_name = lowercase_token + '_test.c'
+        kwargs = {'utoken': uppercase_token,
+                  'ltoken': lowercase_token,
+                  'header_dir': lowercase_token,
+                  'function_name': function_name,
+                  'header_file': lib_h_name,
+                  'source_file': lib_c_name,
+                  'test_source_file': test_c_name,
+                  'test_exe_name': test_exe_name,
+                  'project_name': self.name,
+                  'lib_name': lowercase_token,
+                  'test_name': lowercase_token,
+                  'version': self.version,
+                  }
+        open(lib_h_name, 'w', encoding='utf-8').write(lib_h_template.format(**kwargs))
+        open(lib_c_name, 'w', encoding='utf-8').write(lib_c_template.format(**kwargs))
+        open(test_c_name, 'w', encoding='utf-8').write(lib_c_test_template.format(**kwargs))
+        open('meson.build', 'w', encoding='utf-8').write(lib_c_meson_template.format(**kwargs))
diff --git a/meson/mesonbuild/templates/cudatemplates.py b/meson/mesonbuild/templates/cudatemplates.py
new file mode 100644
index 000000000..919db21be
--- /dev/null
+++ b/meson/mesonbuild/templates/cudatemplates.py
@@ -0,0 +1,185 @@
+# Copyright 2019 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.
+from mesonbuild.templates.sampleimpl import SampleImpl
+import re
+
+
+hello_cuda_template = '''#include <iostream>
+
+#define PROJECT_NAME "{project_name}"
+
+int main(int argc, char **argv) {{
+    if(argc != 1) {{
+        std::cout << argv[0] <<  "takes no arguments.\\n";
+        return 1;
+    }}
+    std::cout << "This is project " << PROJECT_NAME << ".\\n";
+    return 0;
+}}
+'''
+
+hello_cuda_meson_template = '''project('{project_name}', ['cuda', 'cpp'],
+  version : '{version}',
+  default_options : ['warning_level=3',
+                     'cpp_std=c++14'])
+
+exe = executable('{exe_name}', '{source_name}',
+  install : true)
+
+test('basic', exe)
+'''
+
+lib_h_template = '''#pragma once
+#if defined _WIN32 || defined __CYGWIN__
+  #ifdef BUILDING_{utoken}
+    #define {utoken}_PUBLIC __declspec(dllexport)
+  #else
+    #define {utoken}_PUBLIC __declspec(dllimport)
+  #endif
+#else
+  #ifdef BUILDING_{utoken}
+      #define {utoken}_PUBLIC __attribute__ ((visibility ("default")))
+  #else
+      #define {utoken}_PUBLIC
+  #endif
+#endif
+
+namespace {namespace} {{
+
+class {utoken}_PUBLIC {class_name} {{
+
+public:
+  {class_name}();
+  int get_number() const;
+
+private:
+
+  int number;
+
+}};
+
+}}
+
+'''
+
+lib_cuda_template = '''#include <{header_file}>
+
+namespace {namespace} {{
+
+{class_name}::{class_name}() {{
+    number = 6;
+}}
+
+int {class_name}::get_number() const {{
+  return number;
+}}
+
+}}
+'''
+
+lib_cuda_test_template = '''#include <{header_file}>
+#include <iostream>
+
+int main(int argc, char **argv) {{
+    if(argc != 1) {{
+        std::cout << argv[0] << " takes no arguments.\\n";
+        return 1;
+    }}
+    {namespace}::{class_name} c;
+    return c.get_number() != 6;
+}}
+'''
+
+lib_cuda_meson_template = '''project('{project_name}', ['cuda', 'cpp'],
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+# These arguments are only used to build the shared library
+# not the executables that use the library.
+lib_args = ['-DBUILDING_{utoken}']
+
+shlib = shared_library('{lib_name}', '{source_file}',
+  install : true,
+  cpp_args : lib_args,
+  gnu_symbol_visibility : 'hidden',
+)
+
+test_exe = executable('{test_exe_name}', '{test_source_file}',
+  link_with : shlib)
+test('{test_name}', test_exe)
+
+# Make this library usable as a Meson subproject.
+{ltoken}_dep = declare_dependency(
+  include_directories: include_directories('.'),
+  link_with : shlib)
+
+# Make this library usable from the system's
+# package manager.
+install_headers('{header_file}', subdir : '{header_dir}')
+
+pkg_mod = import('pkgconfig')
+pkg_mod.generate(
+  name : '{project_name}',
+  filebase : '{ltoken}',
+  description : 'Meson sample project.',
+  subdirs : '{header_dir}',
+  libraries : shlib,
+  version : '{version}',
+)
+'''
+
+
+class CudaProject(SampleImpl):
+    def __init__(self, options):
+        super().__init__()
+        self.name = options.name
+        self.version = options.version
+
+    def create_executable(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        source_name = lowercase_token + '.cu'
+        open(source_name, 'w', encoding='utf-8').write(hello_cuda_template.format(project_name=self.name))
+        open('meson.build', 'w', encoding='utf-8').write(
+            hello_cuda_meson_template.format(project_name=self.name,
+                                             exe_name=lowercase_token,
+                                             source_name=source_name,
+                                             version=self.version))
+
+    def create_library(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        uppercase_token = lowercase_token.upper()
+        class_name = uppercase_token[0] + lowercase_token[1:]
+        test_exe_name = lowercase_token + '_test'
+        namespace = lowercase_token
+        lib_h_name = lowercase_token + '.h'
+        lib_cuda_name = lowercase_token + '.cu'
+        test_cuda_name = lowercase_token + '_test.cu'
+        kwargs = {'utoken': uppercase_token,
+                  'ltoken': lowercase_token,
+                  'header_dir': lowercase_token,
+                  'class_name': class_name,
+                  'namespace': namespace,
+                  'header_file': lib_h_name,
+                  'source_file': lib_cuda_name,
+                  'test_source_file': test_cuda_name,
+                  'test_exe_name': test_exe_name,
+                  'project_name': self.name,
+                  'lib_name': lowercase_token,
+                  'test_name': lowercase_token,
+                  'version': self.version,
+                  }
+        open(lib_h_name, 'w', encoding='utf-8').write(lib_h_template.format(**kwargs))
+        open(lib_cuda_name, 'w', encoding='utf-8').write(lib_cuda_template.format(**kwargs))
+        open(test_cuda_name, 'w', encoding='utf-8').write(lib_cuda_test_template.format(**kwargs))
+        open('meson.build', 'w', encoding='utf-8').write(lib_cuda_meson_template.format(**kwargs))
diff --git a/meson/mesonbuild/templates/dlangtemplates.py b/meson/mesonbuild/templates/dlangtemplates.py
new file mode 100644
index 000000000..3d939d885
--- /dev/null
+++ b/meson/mesonbuild/templates/dlangtemplates.py
@@ -0,0 +1,143 @@
+# Copyright 2019 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.
+from mesonbuild.templates.sampleimpl import SampleImpl
+import re
+
+
+hello_d_template = '''module main;
+import std.stdio;
+
+enum PROJECT_NAME = "{project_name}";
+
+int main(string[] args) {{
+    if (args.length != 1){{
+        writefln("%s takes no arguments.\\n", args[0]);
+        return 1;
+    }}
+    writefln("This is project %s.\\n", PROJECT_NAME);
+    return 0;
+}}
+'''
+
+hello_d_meson_template = '''project('{project_name}', 'd',
+    version : '{version}',
+    default_options: ['warning_level=3'])
+
+exe = executable('{exe_name}', '{source_name}',
+  install : true)
+
+test('basic', exe)
+'''
+
+lib_d_template = '''module {module_file};
+
+/* This function will not be exported and is not
+ * directly callable by users of this library.
+ */
+int internal_function() {{
+    return 0;
+}}
+
+int {function_name}() {{
+    return internal_function();
+}}
+'''
+
+lib_d_test_template = '''module {module_file}_test;
+import std.stdio;
+import {module_file};
+
+
+int main(string[] args) {{
+    if (args.length != 1){{
+        writefln("%s takes no arguments.\\n", args[0]);
+        return 1;
+    }}
+    return {function_name}();
+}}
+'''
+
+lib_d_meson_template = '''project('{project_name}', 'd',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+stlib = static_library('{lib_name}', '{source_file}',
+  install : true,
+  gnu_symbol_visibility : 'hidden',
+)
+
+test_exe = executable('{test_exe_name}', '{test_source_file}',
+  link_with : stlib)
+test('{test_name}', test_exe)
+
+# Make this library usable as a Meson subproject.
+{ltoken}_dep = declare_dependency(
+  include_directories: include_directories('.'),
+  link_with : stlib)
+
+# Make this library usable from the Dlang
+# build system.
+dlang_mod = import('dlang')
+if find_program('dub', required: false).found()
+  dlang_mod.generate_dub_file(meson.project_name().to_lower(), meson.source_root(),
+    name : meson.project_name(),
+    license: meson.project_license(),
+    sourceFiles : '{source_file}',
+    description : 'Meson sample project.',
+    version : '{version}',
+  )
+endif
+'''
+
+
+class DlangProject(SampleImpl):
+    def __init__(self, options):
+        super().__init__()
+        self.name = options.name
+        self.version = options.version
+
+    def create_executable(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        source_name = lowercase_token + '.d'
+        open(source_name, 'w', encoding='utf-8').write(hello_d_template.format(project_name=self.name))
+        open('meson.build', 'w', encoding='utf-8').write(
+            hello_d_meson_template.format(project_name=self.name,
+                                          exe_name=lowercase_token,
+                                          source_name=source_name,
+                                          version=self.version))
+
+    def create_library(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        uppercase_token = lowercase_token.upper()
+        function_name = lowercase_token[0:3] + '_func'
+        test_exe_name = lowercase_token + '_test'
+        lib_m_name = lowercase_token
+        lib_d_name = lowercase_token + '.d'
+        test_d_name = lowercase_token + '_test.d'
+        kwargs = {'utoken': uppercase_token,
+                  'ltoken': lowercase_token,
+                  'header_dir': lowercase_token,
+                  'function_name': function_name,
+                  'module_file': lib_m_name,
+                  'source_file': lib_d_name,
+                  'test_source_file': test_d_name,
+                  'test_exe_name': test_exe_name,
+                  'project_name': self.name,
+                  'lib_name': lowercase_token,
+                  'test_name': lowercase_token,
+                  'version': self.version,
+                  }
+        open(lib_d_name, 'w', encoding='utf-8').write(lib_d_template.format(**kwargs))
+        open(test_d_name, 'w', encoding='utf-8').write(lib_d_test_template.format(**kwargs))
+        open('meson.build', 'w', encoding='utf-8').write(lib_d_meson_template.format(**kwargs))
diff --git a/meson/mesonbuild/templates/fortrantemplates.py b/meson/mesonbuild/templates/fortrantemplates.py
new file mode 100644
index 000000000..8fc1bca35
--- /dev/null
+++ b/meson/mesonbuild/templates/fortrantemplates.py
@@ -0,0 +1,140 @@
+# Copyright 2019 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.
+from mesonbuild.templates.sampleimpl import SampleImpl
+import re
+
+lib_fortran_template = '''
+! This procedure will not be exported and is not
+! directly callable by users of this library.
+
+module modfoo
+
+implicit none
+private
+public :: {function_name}
+
+contains
+
+integer function internal_function()
+    internal_function = 0
+end function internal_function
+
+integer function {function_name}()
+    {function_name} = internal_function()
+end function {function_name}
+
+end module modfoo
+'''
+
+lib_fortran_test_template = '''
+use modfoo
+
+print *,{function_name}()
+
+end program
+'''
+
+lib_fortran_meson_template = '''project('{project_name}', 'fortran',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+# These arguments are only used to build the shared library
+# not the executables that use the library.
+lib_args = ['-DBUILDING_{utoken}']
+
+shlib = shared_library('{lib_name}', '{source_file}',
+  install : true,
+  fortran_args : lib_args,
+  gnu_symbol_visibility : 'hidden',
+)
+
+test_exe = executable('{test_exe_name}', '{test_source_file}',
+  link_with : shlib)
+test('{test_name}', test_exe)
+
+# Make this library usable as a Meson subproject.
+{ltoken}_dep = declare_dependency(
+  include_directories: include_directories('.'),
+  link_with : shlib)
+
+pkg_mod = import('pkgconfig')
+pkg_mod.generate(
+  name : '{project_name}',
+  filebase : '{ltoken}',
+  description : 'Meson sample project.',
+  subdirs : '{header_dir}',
+  libraries : shlib,
+  version : '{version}',
+)
+'''
+
+hello_fortran_template = '''
+implicit none
+
+character(len=*), parameter :: PROJECT_NAME = "{project_name}"
+
+print *,"This is project ", PROJECT_NAME
+
+end program
+'''
+
+hello_fortran_meson_template = '''project('{project_name}', 'fortran',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+exe = executable('{exe_name}', '{source_name}',
+  install : true)
+
+test('basic', exe)
+'''
+
+
+class FortranProject(SampleImpl):
+    def __init__(self, options):
+        super().__init__()
+        self.name = options.name
+        self.version = options.version
+
+    def create_executable(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        source_name = lowercase_token + '.f90'
+        open(source_name, 'w', encoding='utf-8').write(hello_fortran_template.format(project_name=self.name))
+        open('meson.build', 'w', encoding='utf-8').write(
+            hello_fortran_meson_template.format(project_name=self.name,
+                                                exe_name=lowercase_token,
+                                                source_name=source_name,
+                                                version=self.version))
+
+    def create_library(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        uppercase_token = lowercase_token.upper()
+        function_name = lowercase_token[0:3] + '_func'
+        test_exe_name = lowercase_token + '_test'
+        lib_fortran_name = lowercase_token + '.f90'
+        test_fortran_name = lowercase_token + '_test.f90'
+        kwargs = {'utoken': uppercase_token,
+                  'ltoken': lowercase_token,
+                  'header_dir': lowercase_token,
+                  'function_name': function_name,
+                  'source_file': lib_fortran_name,
+                  'test_source_file': test_fortran_name,
+                  'test_exe_name': test_exe_name,
+                  'project_name': self.name,
+                  'lib_name': lowercase_token,
+                  'test_name': lowercase_token,
+                  'version': self.version,
+                  }
+        open(lib_fortran_name, 'w', encoding='utf-8').write(lib_fortran_template.format(**kwargs))
+        open(test_fortran_name, 'w', encoding='utf-8').write(lib_fortran_test_template.format(**kwargs))
+        open('meson.build', 'w', encoding='utf-8').write(lib_fortran_meson_template.format(**kwargs))
diff --git a/meson/mesonbuild/templates/javatemplates.py b/meson/mesonbuild/templates/javatemplates.py
new file mode 100644
index 000000000..e4329611d
--- /dev/null
+++ b/meson/mesonbuild/templates/javatemplates.py
@@ -0,0 +1,136 @@
+# Copyright 2019 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.
+from mesonbuild.templates.sampleimpl import SampleImpl
+import re
+
+
+hello_java_template = '''
+
+public class {class_name} {{
+    final static String PROJECT_NAME = "{project_name}";
+
+    public static void main (String args[]) {{
+        if(args.length != 0) {{
+            System.out.println(args + " takes no arguments.");
+            System.exit(0);
+        }}
+        System.out.println("This is project " + PROJECT_NAME + ".");
+        System.exit(0);
+    }}
+}}
+
+'''
+
+hello_java_meson_template = '''project('{project_name}', 'java',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+exe = jar('{exe_name}', '{source_name}',
+  main_class : '{exe_name}',
+  install : true)
+
+test('basic', exe)
+'''
+
+lib_java_template = '''
+
+public class {class_name} {{
+    final static int number = 6;
+
+    public final int get_number() {{
+      return number;
+    }}
+}}
+
+'''
+
+lib_java_test_template = '''
+
+public class {class_test} {{
+    public static void main (String args[]) {{
+        if(args.length != 0) {{
+            System.out.println(args + " takes no arguments.");
+            System.exit(1);
+        }}
+
+        {class_name} c = new {class_name}();
+        Boolean result = true;
+        System.exit(result.compareTo(c.get_number() != 6));
+    }}
+}}
+
+'''
+
+lib_java_meson_template = '''project('{project_name}', 'java',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+jarlib = jar('{class_name}', '{source_file}',
+  main_class : '{class_name}',
+  install : true,
+)
+
+test_jar = jar('{class_test}', '{test_source_file}',
+  main_class : '{class_test}',
+  link_with : jarlib)
+test('{test_name}', test_jar)
+
+# Make this library usable as a Meson subproject.
+{ltoken}_dep = declare_dependency(
+  include_directories: include_directories('.'),
+  link_with : jarlib)
+'''
+
+
+class JavaProject(SampleImpl):
+    def __init__(self, options):
+        super().__init__()
+        self.name = options.name
+        self.version = options.version
+
+    def create_executable(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        uppercase_token = lowercase_token.upper()
+        class_name = uppercase_token[0] + lowercase_token[1:]
+        source_name = uppercase_token[0] + lowercase_token[1:] + '.java'
+        open(source_name, 'w', encoding='utf-8').write(
+            hello_java_template.format(project_name=self.name,
+                                       class_name=class_name))
+        open('meson.build', 'w', encoding='utf-8').write(
+            hello_java_meson_template.format(project_name=self.name,
+                                             exe_name=class_name,
+                                             source_name=source_name,
+                                             version=self.version))
+
+    def create_library(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        uppercase_token = lowercase_token.upper()
+        class_name = uppercase_token[0] + lowercase_token[1:]
+        class_test = uppercase_token[0] + lowercase_token[1:] + '_test'
+        lib_java_name = uppercase_token[0] + lowercase_token[1:] + '.java'
+        test_java_name = uppercase_token[0] + lowercase_token[1:] + '_test.java'
+        kwargs = {'utoken': uppercase_token,
+                  'ltoken': lowercase_token,
+                  'class_test': class_test,
+                  'class_name': class_name,
+                  'source_file': lib_java_name,
+                  'test_source_file': test_java_name,
+                  'project_name': self.name,
+                  'lib_name': lowercase_token,
+                  'test_name': lowercase_token,
+                  'version': self.version,
+                  }
+        open(lib_java_name, 'w', encoding='utf-8').write(lib_java_template.format(**kwargs))
+        open(test_java_name, 'w', encoding='utf-8').write(lib_java_test_template.format(**kwargs))
+        open('meson.build', 'w', encoding='utf-8').write(lib_java_meson_template.format(**kwargs))
diff --git a/meson/mesonbuild/templates/mesontemplates.py b/meson/mesonbuild/templates/mesontemplates.py
new file mode 100644
index 000000000..a29ac6fdc
--- /dev/null
+++ b/meson/mesonbuild/templates/mesontemplates.py
@@ -0,0 +1,75 @@
+# Copyright 2019 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 argparse
+
+meson_executable_template = '''project('{project_name}', '{language}',
+  version : '{version}',
+  default_options : [{default_options}])
+
+executable('{executable}',
+           {sourcespec},{depspec}
+           install : true)
+'''
+
+
+meson_jar_template = '''project('{project_name}', '{language}',
+  version : '{version}',
+  default_options : [{default_options}])
+
+jar('{executable}',
+    {sourcespec},{depspec}
+    main_class: '{main_class}',
+    install : true)
+'''
+
+
+def create_meson_build(options: argparse.Namespace) -> None:
+    if options.type != 'executable':
+        raise SystemExit('\nGenerating a meson.build file from existing sources is\n'
+                         'supported only for project type "executable".\n'
+                         'Run meson init in an empty directory to create a sample project.')
+    default_options = ['warning_level=3']
+    if options.language == 'cpp':
+        # This shows how to set this very common option.
+        default_options += ['cpp_std=c++14']
+    # If we get a meson.build autoformatter one day, this code could
+    # be simplified quite a bit.
+    formatted_default_options = ', '.join(f"'{x}'" for x in default_options)
+    sourcespec = ',\n           '.join(f"'{x}'" for x in options.srcfiles)
+    depspec = ''
+    if options.deps:
+        depspec = '\n           dependencies : [\n              '
+        depspec += ',\n              '.join(f"dependency('{x}')"
+                                            for x in options.deps.split(','))
+        depspec += '],'
+    if options.language != 'java':
+        content = meson_executable_template.format(project_name=options.name,
+                                                   language=options.language,
+                                                   version=options.version,
+                                                   executable=options.executable,
+                                                   sourcespec=sourcespec,
+                                                   depspec=depspec,
+                                                   default_options=formatted_default_options)
+    else:
+        content = meson_jar_template.format(project_name=options.name,
+                                            language=options.language,
+                                            version=options.version,
+                                            executable=options.executable,
+                                            main_class=options.name,
+                                            sourcespec=sourcespec,
+                                            depspec=depspec,
+                                            default_options=formatted_default_options)
+    open('meson.build', 'w', encoding='utf-8').write(content)
+    print('Generated meson.build file:\n\n' + content)
diff --git a/meson/mesonbuild/templates/objcpptemplates.py b/meson/mesonbuild/templates/objcpptemplates.py
new file mode 100644
index 000000000..4f61d6c60
--- /dev/null
+++ b/meson/mesonbuild/templates/objcpptemplates.py
@@ -0,0 +1,167 @@
+# Copyright 2019 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.
+from mesonbuild.templates.sampleimpl import SampleImpl
+import re
+
+
+lib_h_template = '''#pragma once
+#if defined _WIN32 || defined __CYGWIN__
+  #ifdef BUILDING_{utoken}
+    #define {utoken}_PUBLIC __declspec(dllexport)
+  #else
+    #define {utoken}_PUBLIC __declspec(dllimport)
+  #endif
+#else
+  #ifdef BUILDING_{utoken}
+      #define {utoken}_PUBLIC __attribute__ ((visibility ("default")))
+  #else
+      #define {utoken}_PUBLIC
+  #endif
+#endif
+
+int {utoken}_PUBLIC {function_name}();
+
+'''
+
+lib_objcpp_template = '''#import <{header_file}>
+
+/* This function will not be exported and is not
+ * directly callable by users of this library.
+ */
+int internal_function() {{
+    return 0;
+}}
+
+int {function_name}() {{
+    return internal_function();
+}}
+'''
+
+lib_objcpp_test_template = '''#import <{header_file}>
+#import <iostream>
+
+int main(int argc, char **argv) {{
+    if(argc != 1) {{
+        std::cout << argv[0] << " takes no arguments." << std::endl;
+        return 1;
+    }}
+    return {function_name}();
+}}
+'''
+
+lib_objcpp_meson_template = '''project('{project_name}', 'objcpp',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+# These arguments are only used to build the shared library
+# not the executables that use the library.
+lib_args = ['-DBUILDING_{utoken}']
+
+shlib = shared_library('{lib_name}', '{source_file}',
+  install : true,
+  objcpp_args : lib_args,
+  gnu_symbol_visibility : 'hidden',
+)
+
+test_exe = executable('{test_exe_name}', '{test_source_file}',
+  link_with : shlib)
+test('{test_name}', test_exe)
+
+# Make this library usable as a Meson subproject.
+{ltoken}_dep = declare_dependency(
+  include_directories: include_directories('.'),
+  link_with : shlib)
+
+# Make this library usable from the system's
+# package manager.
+install_headers('{header_file}', subdir : '{header_dir}')
+
+pkg_mod = import('pkgconfig')
+pkg_mod.generate(
+  name : '{project_name}',
+  filebase : '{ltoken}',
+  description : 'Meson sample project.',
+  subdirs : '{header_dir}',
+  libraries : shlib,
+  version : '{version}',
+)
+'''
+
+hello_objcpp_template = '''#import <iostream>
+
+#define PROJECT_NAME "{project_name}"
+
+int main(int argc, char **argv) {{
+    if(argc != 1) {{
+        std::cout << argv[0] << " takes no arguments." << std::endl;
+        return 1;
+    }}
+    std::cout << "This is project " << PROJECT_NAME << "." << std::endl;
+    return 0;
+}}
+'''
+
+hello_objcpp_meson_template = '''project('{project_name}', 'objcpp',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+exe = executable('{exe_name}', '{source_name}',
+  install : true)
+
+test('basic', exe)
+'''
+
+
+class ObjCppProject(SampleImpl):
+    def __init__(self, options):
+        super().__init__()
+        self.name = options.name
+        self.version = options.version
+
+    def create_executable(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        source_name = lowercase_token + '.mm'
+        open(source_name, 'w', encoding='utf-8').write(hello_objcpp_template.format(project_name=self.name))
+        open('meson.build', 'w', encoding='utf-8').write(
+            hello_objcpp_meson_template.format(project_name=self.name,
+                                               exe_name=lowercase_token,
+                                               source_name=source_name,
+                                               version=self.version))
+
+    def create_library(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        uppercase_token = lowercase_token.upper()
+        function_name = lowercase_token[0:3] + '_func'
+        test_exe_name = lowercase_token + '_test'
+        lib_h_name = lowercase_token + '.h'
+        lib_objcpp_name = lowercase_token + '.mm'
+        test_objcpp_name = lowercase_token + '_test.mm'
+        kwargs = {'utoken': uppercase_token,
+                  'ltoken': lowercase_token,
+                  'header_dir': lowercase_token,
+                  'function_name': function_name,
+                  'header_file': lib_h_name,
+                  'source_file': lib_objcpp_name,
+                  'test_source_file': test_objcpp_name,
+                  'test_exe_name': test_exe_name,
+                  'project_name': self.name,
+                  'lib_name': lowercase_token,
+                  'test_name': lowercase_token,
+                  'version': self.version,
+                  }
+        open(lib_h_name, 'w', encoding='utf-8').write(lib_h_template.format(**kwargs))
+        open(lib_objcpp_name, 'w', encoding='utf-8').write(lib_objcpp_template.format(**kwargs))
+        open(test_objcpp_name, 'w', encoding='utf-8').write(lib_objcpp_test_template.format(**kwargs))
+        open('meson.build', 'w', encoding='utf-8').write(lib_objcpp_meson_template.format(**kwargs))
+
diff --git a/meson/mesonbuild/templates/objctemplates.py b/meson/mesonbuild/templates/objctemplates.py
new file mode 100644
index 000000000..dac638d14
--- /dev/null
+++ b/meson/mesonbuild/templates/objctemplates.py
@@ -0,0 +1,166 @@
+# Copyright 2019 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.
+from mesonbuild.templates.sampleimpl import SampleImpl
+import re
+
+
+lib_h_template = '''#pragma once
+#if defined _WIN32 || defined __CYGWIN__
+  #ifdef BUILDING_{utoken}
+    #define {utoken}_PUBLIC __declspec(dllexport)
+  #else
+    #define {utoken}_PUBLIC __declspec(dllimport)
+  #endif
+#else
+  #ifdef BUILDING_{utoken}
+      #define {utoken}_PUBLIC __attribute__ ((visibility ("default")))
+  #else
+      #define {utoken}_PUBLIC
+  #endif
+#endif
+
+int {utoken}_PUBLIC {function_name}();
+
+'''
+
+lib_objc_template = '''#import <{header_file}>
+
+/* This function will not be exported and is not
+ * directly callable by users of this library.
+ */
+int internal_function() {{
+    return 0;
+}}
+
+int {function_name}() {{
+    return internal_function();
+}}
+'''
+
+lib_objc_test_template = '''#import <{header_file}>
+#import <stdio.h>
+
+int main(int argc, char **argv) {{
+    if(argc != 1) {{
+        printf("%s takes no arguments.\\n", argv[0]);
+        return 1;
+    }}
+    return {function_name}();
+}}
+'''
+
+lib_objc_meson_template = '''project('{project_name}', 'objc',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+# These arguments are only used to build the shared library
+# not the executables that use the library.
+lib_args = ['-DBUILDING_{utoken}']
+
+shlib = shared_library('{lib_name}', '{source_file}',
+  install : true,
+  objc_args : lib_args,
+  gnu_symbol_visibility : 'hidden',
+)
+
+test_exe = executable('{test_exe_name}', '{test_source_file}',
+  link_with : shlib)
+test('{test_name}', test_exe)
+
+# Make this library usable as a Meson subproject.
+{ltoken}_dep = declare_dependency(
+  include_directories: include_directories('.'),
+  link_with : shlib)
+
+# Make this library usable from the system's
+# package manager.
+install_headers('{header_file}', subdir : '{header_dir}')
+
+pkg_mod = import('pkgconfig')
+pkg_mod.generate(
+  name : '{project_name}',
+  filebase : '{ltoken}',
+  description : 'Meson sample project.',
+  subdirs : '{header_dir}',
+  libraries : shlib,
+  version : '{version}',
+)
+'''
+
+hello_objc_template = '''#import <stdio.h>
+
+#define PROJECT_NAME "{project_name}"
+
+int main(int argc, char **argv) {{
+    if(argc != 1) {{
+        printf("%s takes no arguments.\\n", argv[0]);
+        return 1;
+    }}
+    printf("This is project %s.\\n", PROJECT_NAME);
+    return 0;
+}}
+'''
+
+hello_objc_meson_template = '''project('{project_name}', 'objc',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+exe = executable('{exe_name}', '{source_name}',
+  install : true)
+
+test('basic', exe)
+'''
+
+
+class ObjCProject(SampleImpl):
+    def __init__(self, options):
+        super().__init__()
+        self.name = options.name
+        self.version = options.version
+
+    def create_executable(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        source_name = lowercase_token + '.m'
+        open(source_name, 'w', encoding='utf-8').write(hello_objc_template.format(project_name=self.name))
+        open('meson.build', 'w', encoding='utf-8').write(
+            hello_objc_meson_template.format(project_name=self.name,
+                                             exe_name=lowercase_token,
+                                             source_name=source_name,
+                                             version=self.version))
+
+    def create_library(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        uppercase_token = lowercase_token.upper()
+        function_name = lowercase_token[0:3] + '_func'
+        test_exe_name = lowercase_token + '_test'
+        lib_h_name = lowercase_token + '.h'
+        lib_objc_name = lowercase_token + '.m'
+        test_objc_name = lowercase_token + '_test.m'
+        kwargs = {'utoken': uppercase_token,
+                  'ltoken': lowercase_token,
+                  'header_dir': lowercase_token,
+                  'function_name': function_name,
+                  'header_file': lib_h_name,
+                  'source_file': lib_objc_name,
+                  'test_source_file': test_objc_name,
+                  'test_exe_name': test_exe_name,
+                  'project_name': self.name,
+                  'lib_name': lowercase_token,
+                  'test_name': lowercase_token,
+                  'version': self.version,
+                  }
+        open(lib_h_name, 'w', encoding='utf-8').write(lib_h_template.format(**kwargs))
+        open(lib_objc_name, 'w', encoding='utf-8').write(lib_objc_template.format(**kwargs))
+        open(test_objc_name, 'w', encoding='utf-8').write(lib_objc_test_template.format(**kwargs))
+        open('meson.build', 'w', encoding='utf-8').write(lib_objc_meson_template.format(**kwargs))
diff --git a/meson/mesonbuild/templates/rusttemplates.py b/meson/mesonbuild/templates/rusttemplates.py
new file mode 100644
index 000000000..95a937cca
--- /dev/null
+++ b/meson/mesonbuild/templates/rusttemplates.py
@@ -0,0 +1,113 @@
+# Copyright 2019 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.
+from mesonbuild.templates.sampleimpl import SampleImpl
+import re
+
+
+lib_rust_template = '''#![crate_name = "{crate_file}"]
+
+/* This function will not be exported and is not
+ * directly callable by users of this library.
+ */
+fn internal_function() -> i32 {{
+    return 0;
+}}
+
+pub fn {function_name}() -> i32 {{
+    return internal_function();
+}}
+'''
+
+lib_rust_test_template = '''extern crate {crate_file};
+
+fn main() {{
+    println!("printing: {{}}", {crate_file}::{function_name}());
+}}
+'''
+
+
+lib_rust_meson_template = '''project('{project_name}', 'rust',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+shlib = static_library('{lib_name}', '{source_file}', install : true)
+
+test_exe = executable('{test_exe_name}', '{test_source_file}',
+  link_with : shlib)
+test('{test_name}', test_exe)
+
+# Make this library usable as a Meson subproject.
+{ltoken}_dep = declare_dependency(
+  include_directories: include_directories('.'),
+  link_with : shlib)
+'''
+
+hello_rust_template = '''
+fn main() {{
+    let project_name = "{project_name}";
+    println!("This is project {{}}.\\n", project_name);
+}}
+'''
+
+hello_rust_meson_template = '''project('{project_name}', 'rust',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+exe = executable('{exe_name}', '{source_name}',
+  install : true)
+
+test('basic', exe)
+'''
+
+
+class RustProject(SampleImpl):
+    def __init__(self, options):
+        super().__init__()
+        self.name = options.name
+        self.version = options.version
+
+    def create_executable(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        source_name = lowercase_token + '.rs'
+        open(source_name, 'w', encoding='utf-8').write(hello_rust_template.format(project_name=self.name))
+        open('meson.build', 'w', encoding='utf-8').write(
+            hello_rust_meson_template.format(project_name=self.name,
+                                             exe_name=lowercase_token,
+                                             source_name=source_name,
+                                             version=self.version))
+
+    def create_library(self) -> None:
+        lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
+        uppercase_token = lowercase_token.upper()
+        function_name = lowercase_token[0:3] + '_func'
+        test_exe_name = lowercase_token + '_test'
+        lib_crate_name = lowercase_token
+        lib_rs_name = lowercase_token + '.rs'
+        test_rs_name = lowercase_token + '_test.rs'
+        kwargs = {'utoken': uppercase_token,
+                  'ltoken': lowercase_token,
+                  'header_dir': lowercase_token,
+                  'function_name': function_name,
+                  'crate_file': lib_crate_name,
+                  'source_file': lib_rs_name,
+                  'test_source_file': test_rs_name,
+                  'test_exe_name': test_exe_name,
+                  'project_name': self.name,
+                  'lib_name': lowercase_token,
+                  'test_name': lowercase_token,
+                  'version': self.version,
+                  }
+        open(lib_rs_name, 'w', encoding='utf-8').write(lib_rust_template.format(**kwargs))
+        open(test_rs_name, 'w', encoding='utf-8').write(lib_rust_test_template.format(**kwargs))
+        open('meson.build', 'w', encoding='utf-8').write(lib_rust_meson_template.format(**kwargs))
diff --git a/meson/mesonbuild/templates/samplefactory.py b/meson/mesonbuild/templates/samplefactory.py
new file mode 100644
index 000000000..1192e138a
--- /dev/null
+++ b/meson/mesonbuild/templates/samplefactory.py
@@ -0,0 +1,40 @@
+# Copyright 2019 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.
+from mesonbuild.templates.fortrantemplates import FortranProject
+from mesonbuild.templates.objcpptemplates import ObjCppProject
+from mesonbuild.templates.dlangtemplates import DlangProject
+from mesonbuild.templates.rusttemplates import RustProject
+from mesonbuild.templates.javatemplates import JavaProject
+from mesonbuild.templates.cudatemplates import CudaProject
+from mesonbuild.templates.objctemplates import ObjCProject
+from mesonbuild.templates.cpptemplates import CppProject
+from mesonbuild.templates.cstemplates import CSharpProject
+from mesonbuild.templates.ctemplates import CProject
+from mesonbuild.templates.sampleimpl import SampleImpl
+
+import argparse
+
+def sameple_generator(options: argparse.Namespace) -> SampleImpl:
+    return {
+        'c': CProject,
+        'cpp': CppProject,
+        'cs': CSharpProject,
+        'cuda': CudaProject,
+        'objc': ObjCProject,
+        'objcpp': ObjCppProject,
+        'java': JavaProject,
+        'd': DlangProject,
+        'rust': RustProject,
+        'fortran': FortranProject
+    }[options.language](options)
diff --git a/meson/mesonbuild/templates/sampleimpl.py b/meson/mesonbuild/templates/sampleimpl.py
new file mode 100644
index 000000000..2d1498b83
--- /dev/null
+++ b/meson/mesonbuild/templates/sampleimpl.py
@@ -0,0 +1,21 @@
+# Copyright 2019 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.
+
+
+class SampleImpl:
+    def create_executable(self) -> None:
+        raise NotImplementedError('Sample implementation for "executable" not implemented!')
+
+    def create_library(self) -> None:
+        raise NotImplementedError('Sample implementation for "library" not implemented!')