Add initial D rules to Bazel.

--
MOS_MIGRATED_REVID=102513092

8 files changed, 271 insertions, 0 deletions

diff --git a/examples/d/hello_lib/BUILD b/examples/d/hello_lib/BUILD
new file mode 100644
index 0000000000..7ed1624a41
--- /dev/null
+++ b/examples/d/hello_lib/BUILD
@@ -0,0 +1,40 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "/tools/build_defs/d/d",
+    "d_docs",
+    "d_library",
+    "d_source_library",
+    "d_test",
+)
+
+d_library(
+    name = "greeter",
+    srcs = ["greeter.d"],
+)
+
+d_test(
+    name = "greeter_test",
+    srcs = ["greeter_test.d"],
+    deps = [":greeter"],
+)
+
+cc_library(
+    name = "native_greeter_lib",
+    srcs = ["native-greeter.c"],
+    hdrs = ["native-greeter.h"],
+)
+
+d_source_library(
+    name = "native_greeter",
+    srcs = ["native_greeter.d"],
+    deps = [":native_greeter_lib"],
+)
+
+d_docs(
+    name = "greeter_docs",
+    srcs = glob(
+        ["*.d"],
+        exclude = ["*_test.d"],
+    ),
+)
diff --git a/examples/d/hello_lib/greeter.d b/examples/d/hello_lib/greeter.d
new file mode 100644
index 0000000000..ec916ffbe5
--- /dev/null
+++ b/examples/d/hello_lib/greeter.d
@@ -0,0 +1,51 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// 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.
+
+module greeter;
+
+import std.stdio;
+import std.string;
+
+/// Displays a greeting.
+class Greeter {
+ private string greeting;
+
+ public:
+  /// Creates a new greeter.
+  ///
+  /// Params:
+  ///     greeting = The greeting to use.
+  this(in string greeting) {
+    this.greeting = greeting.dup;
+  }
+
+  /// Returns the greeting as a string.
+  ///
+  /// Params:
+  ///     thing = The thing to greet
+  ///
+  /// Returns:
+  ///     A greeting as a string.
+  string makeGreeting(in immutable string thing) {
+    return format("%s %s!", this.greeting, thing);
+  }
+
+  /// Prints a greeting.
+  ///
+  /// Params:
+  ///     thing = The thing to greet.
+  void greet(in immutable string thing) {
+    writeln(makeGreeting(thing));
+  }
+}
diff --git a/examples/d/hello_lib/greeter_test.d b/examples/d/hello_lib/greeter_test.d
new file mode 100644
index 0000000000..6ebd7f9cb1
--- /dev/null
+++ b/examples/d/hello_lib/greeter_test.d
@@ -0,0 +1,22 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// 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 examples.d.hello_lib.greeter;
+
+unittest {
+  auto greeter = new Greeter("Hello");
+  assert(greeter.makeGreeting("world") == "Hello world!");
+}
+
+void main() {}
diff --git a/examples/d/hello_lib/native-greeter.c b/examples/d/hello_lib/native-greeter.c
new file mode 100644
index 0000000000..cdbb388e32
--- /dev/null
+++ b/examples/d/hello_lib/native-greeter.c
@@ -0,0 +1,49 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// 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.
+
+#include "examples/d/hello_lib/native-greeter.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+NativeGreeter* native_greeter_new(const char* greeting) {
+  if (greeting == NULL) {
+    return NULL;
+  }
+  NativeGreeter* greeter = NULL;
+  greeter = (NativeGreeter*)malloc(sizeof(*greeter));
+  if (greeter == NULL) {
+    return NULL;
+  }
+  greeter->greeting = strdup(greeting);
+  return greeter;
+}
+
+void native_greeter_greet(const NativeGreeter* greeter, const char* thing) {
+  if (greeter == NULL || thing == NULL) {
+    return;
+  }
+  printf("%s %s!\n", greeter->greeting, thing);
+}
+
+void native_greeter_free(NativeGreeter* greeter) {
+  if (greeter == NULL) {
+    return;
+  }
+  if (greeter->greeting != NULL) {
+    free(greeter->greeting);
+  }
+  free(greeter);
+}
diff --git a/examples/d/hello_lib/native-greeter.h b/examples/d/hello_lib/native-greeter.h
new file mode 100644
index 0000000000..d01d8cae8b
--- /dev/null
+++ b/examples/d/hello_lib/native-greeter.h
@@ -0,0 +1,28 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// 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.
+
+#ifndef EXAMPLES_D_HELLO_LIB_NATIVE_GREETER_H_
+#define EXAMPLES_D_HELLO_LIB_NATIVE_GREETER_H_
+
+typedef struct NativeGreeter {
+  char* greeting;
+} NativeGreeter;
+
+NativeGreeter* native_greeter_new(const char* greeting);
+
+void native_greeter_greet(const NativeGreeter* greeter, const char* thing);
+
+void native_greeter_free(NativeGreeter* greeter);
+
+#endif  // EXAMPLES_D_HELLO_LIB_NATIVE_GREETER_H_
diff --git a/examples/d/hello_lib/native_greeter.d b/examples/d/hello_lib/native_greeter.d
new file mode 100644
index 0000000000..417492aaf6
--- /dev/null
+++ b/examples/d/hello_lib/native_greeter.d
@@ -0,0 +1,43 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// 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.
+
+module native_greeter;
+
+extern (C):
+
+struct NativeGreeter {
+  char* greeting;
+};
+
+/// Creates a new NativeGreeter.
+///
+/// Params:
+///     greeting = The greeting to use.
+///
+/// Returns:
+///     A pointer to a new NativeGreeting struct.
+NativeGreeter* native_greeter_new(const(char)* greeting);
+
+/// Prints a greeting to stdout.
+///
+/// Params:
+///     greeter = The pointer to the NativeGreeter object to use.
+///     thing = The thing to greet.
+void native_greeter_greet(const(NativeGreeter)* greeter, const(char)* thing);
+
+/// Frees the NativeGreeter.
+///
+/// Params:
+///     greeter = The pointer to the NativeGreeter object to use.
+void native_greeter_free(NativeGreeter* greeter);
diff --git a/examples/d/hello_world/BUILD b/examples/d/hello_world/BUILD
new file mode 100644
index 0000000000..47c7342060
--- /dev/null
+++ b/examples/d/hello_world/BUILD
@@ -0,0 +1,12 @@
+package(default_visibility = ["//visibility:public"])
+
+load("/tools/build_defs/d/d", "d_binary")
+
+d_binary(
+    name = "hello_world",
+    srcs = ["hello_world.d"],
+    deps = [
+        "//examples/d/hello_lib:greeter",
+        "//examples/d/hello_lib:native_greeter",
+    ],
+)
diff --git a/examples/d/hello_world/hello_world.d b/examples/d/hello_world/hello_world.d
new file mode 100644
index 0000000000..3c60f4a24e
--- /dev/null
+++ b/examples/d/hello_world/hello_world.d
@@ -0,0 +1,26 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// 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 std.stdio;
+import examples.d.hello_lib.greeter;
+import examples.d.hello_lib.native_greeter;
+
+void main() {
+  Greeter greeter = new Greeter("Hello");
+  greeter.greet("World");
+
+  NativeGreeter* nativeGreeter = native_greeter_new("Hello");
+  native_greeter_greet(nativeGreeter, "World");
+  native_greeter_free(nativeGreeter);
+}