use bazel build

BUILD

@@ -1,68 +1,2 @@
 licenses(["notice"])  # Apache 2
 
-package(default_visibility = ["//visibility:public"])
-
-cc_library(
-    name = "api_lib",
-    hdrs = ["proxy_wasm_api.h"],
-)
-
-cc_library(
-    name = "common_lib",
-    hdrs = [
-        "proxy_wasm_common.h",
-        "proxy_wasm_enums.h",
-    ],
-)
-
-cc_library(
-    name = "proxy_wasm_intrinsics_lite",
-    srcs = [
-        "proxy_wasm_intrinsics.cc",
-        "proxy_wasm_intrinsics_lite.pb.cc",
-        "struct_lite.pb.cc",
-    ],
-    hdrs = [
-        "proxy_wasm_api.h",
-        "proxy_wasm_common.h",
-        "proxy_wasm_enums.h",
-        "proxy_wasm_externs.h",
-        "proxy_wasm_intrinsics.h",
-        "proxy_wasm_intrinsics_lite.pb.h",
-        "struct_lite.pb.h",
-    ],
-    copts = ["-DPROXY_WASM_PROTOBUF_LITE=1"],
-    visibility = ["//visibility:public"],
-    deps = [
-        "@com_google_protobuf//:protobuf_lite",
-    ],
-)
-
-cc_library(
-    name = "proxy_wasm_intrinsics",
-    srcs = [
-        "proxy_wasm_intrinsics.cc",
-        "proxy_wasm_intrinsics.pb.cc",
-    ],
-    hdrs = [
-        "proxy_wasm_api.h",
-        "proxy_wasm_common.h",
-        "proxy_wasm_enums.h",
-        "proxy_wasm_externs.h",
-        "proxy_wasm_intrinsics.h",
-        "proxy_wasm_intrinsics.pb.h",
-        "struct_lite.pb.h",
-    ],
-    visibility = ["//visibility:public"],
-    deps = [
-        "@com_google_protobuf//:protobuf",
-    ],
-)
-
-filegroup(
-    name = "jslib",
-    srcs = [
-        "proxy_wasm_intrinsics.js",
-    ],
-    visibility = ["//visibility:public"],
-)

api/BUILD

@@ -0,0 +1,18 @@
+load("//:bazel/api_build_system.bzl", "api_proto_package")
+
+licenses(["notice"])  # Apache 2
+
+api_proto_package(
+    name = "proxy_wasm_intrinsics",
+    srcs = [
+        "proxy_wasm_intrinsics.proto",
+    ],
+)
+
+api_proto_package(
+    name = "proxy_wasm_intrinsics_lite",
+    srcs = [
+        "proxy_wasm_intrinsics_lite.proto",
+        "struct_lite.proto",
+    ],
+)

proxy_wasm_intrinsics_lite.proto → api/proxy_wasm_intrinsics_lite.proto

@@ -16,7 +16,7 @@
 syntax = 'proto3';
 option optimize_for = LITE_RUNTIME;
 
-import "struct_lite.proto";
+import "api/struct_lite.proto";
 
 message WKT {
   google.protobuf.Struct struct = 1;

bazel/api_build_system.bzl

@@ -0,0 +1,34 @@
+load("@rules_cc//cc:defs.bzl", "cc_proto_library")
+load("@rules_proto//proto:defs.bzl", "proto_library")
+
+_CC_PROTO_SUFFIX = "_cc_proto"
+_COMMON_PROTO_DEPS = [
+    "@com_google_protobuf//:any_proto",
+    "@com_google_protobuf//:duration_proto",
+    "@com_google_protobuf//:empty_proto",
+    "@com_google_protobuf//:struct_proto",
+]
+
+def api_proto_package(
+        name = "pkg",
+        srcs = [],
+        deps = [],
+        visibility = ["//visibility:public"]):
+    if srcs == []:
+        srcs = native.glob(["*.proto"])
+
+    proto_library(
+        name = name,
+        srcs = srcs,
+        deps = deps + _COMMON_PROTO_DEPS,
+        visibility = visibility,
+    )
+
+    relative_name = ":" + name
+    cc_proto_library_name = name + _CC_PROTO_SUFFIX
+
+    cc_proto_library(
+        name = cc_proto_library_name,
+        deps = [relative_name],
+        visibility = ["//visibility:public"],
+    )

bazel/wasm_build_system.bzl

@@ -0,0 +1,7 @@
+def wasm_binary(
+        name = "binary",
+        out = "",
+        lite = False,
+        srcs = []):
+    if out == "":
+        out = name + ".wasm"

example/BUILD

@@ -0,0 +1,14 @@
+load("//:bazel/wasm_build_system.bzl", "wasm_binary")
+
+licenses(["notice"])
+
+package(default_visibility = ["//visibility:public"])
+
+wasm_binary(
+    name = "example_base",
+)
+
+wasm_binary(
+    name = "example_lite",
+    lite = True,
+)

example/example.cc

@@ -0,0 +1,22 @@
+#include <string>
+#include <unordered_map>
+
+#include "proxy_wasm_intrinsics.h"
+
+class ExampleContext : public Context {
+public:
+  explicit ExampleContext(uint32_t id, RootContext *root) : Context(id, root) {}
+
+  FilterHeadersStatus onRequestHeaders(uint32_t headers) override;
+  void onDone() override;
+};
+static RegisterContextFactory register_ExampleContext(CONTEXT_FACTORY(ExampleContext));
+
+FilterHeadersStatus ExampleContext::onRequestHeaders(uint32_t headers) {
+  logInfo(std::string("onRequestHeaders ") + std::to_string(id()));
+  auto path = getRequestHeader(":path");
+  logInfo(std::string("header path ") + std::string(path->view()));
+  return FilterHeadersStatus::Continue;
+}
+
+void ExampleContext::onDone() { logInfo("onDone " + std::to_string(id())); }