Adds support for bazel (#4)

Adds bazel support and gets all executable targets running.

Author: maxwellE

.bazelrc

@@ -0,0 +1,3 @@
+build --incompatible_disallow_empty_glob
+build --macos_minimum_os=12.0
+build --host_macos_minimum_os=12.0

.bazelversion

@@ -0,0 +1 @@
+6.1.0

.github/workflows/bazel.yml

@@ -0,0 +1,12 @@
+name: Bazel
+on:
+  pull_request:
+    types: [opened]
+  push:
+jobs:
+  TestMac:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: swift-actions/setup-swift@v1
+      - run: bazelisk test //Tests/... --test_output=errors

.gitignore

@@ -3,3 +3,4 @@
 /*.xcodeproj/
 /DerivedData/
 /.swiftpm/
+bazel-*

BUILD

@@ -0,0 +1,40 @@
+load("@build_bazel_rules_swift//swift:swift.bzl", "swift_library")
+
+cc_library(
+    name = "CIndexStore",
+    hdrs = ["Sources/CIndexStore/include/indexstore.h"],
+    linkstatic = True,
+    tags = ["swift_module=CIndexStore"],
+)
+
+swift_library(
+    name = "IndexStore",
+    srcs = glob(["Sources/IndexStore/*.swift"]),
+    linkopts = select({
+        "@platforms//os:linux": ["-lIndexStore"],
+        "//conditions:default": [],
+    }),
+    visibility = [
+        "//visibility:public",
+    ],
+    deps = [
+        ":CIndexStore",
+    ] + select({
+        "@platforms//os:linux": [],
+        "//conditions:default": [
+            "@StaticIndexStore//:libIndexStore",
+        ],
+    }),
+)
+
+swift_library(
+    name = "SwiftDemangle",
+    srcs = glob(["Sources/SwiftDemangle/*.swift"]),
+    module_name = "SwiftDemangle",
+    visibility = [
+        "//visibility:public",
+    ],
+    deps = [
+        "//Sources/CSwiftDemangle",
+    ],
+)

Sources/CSwiftDemangle/BUILD

@@ -0,0 +1,25 @@
+cc_library(
+    name = "CSwiftDemangle",
+    srcs = glob([
+        "PrivateHeaders/**/*.h",
+    ]) + [
+        "CSwiftDemangle.cpp",
+    ],
+    hdrs = glob([
+        "include/**/*.h",
+    ]),
+    includes = [
+        "PrivateHeaders/include",
+        "include",
+    ],
+    linkopts = [
+        "-lswiftDemangle",
+    ],
+    tags = ["swift_module=CSwiftDemangle"],
+    textual_hdrs = glob([
+        "**/*.def",
+    ]),
+    visibility = [
+        "//:__pkg__",
+    ],
+)

Sources/indexutil-annotate/BUILD

@@ -0,0 +1,12 @@
+load("@build_bazel_rules_swift//swift:swift.bzl", "swift_binary")
+
+swift_binary(
+    name = "indexutil-annotate",
+    srcs = [
+        "Annotation.swift",
+        "main.swift",
+    ],
+    deps = [
+        "//:IndexStore",
+    ],
+)

Sources/indexutil-export/BUILD

@@ -0,0 +1,12 @@
+load("@build_bazel_rules_swift//swift:swift.bzl", "swift_binary")
+
+swift_binary(
+    name = "indexutil-export",
+    srcs = [
+        "TSVWriter.swift",
+        "main.swift",
+    ],
+    deps = [
+        "//:IndexStore",
+    ],
+)

Sources/tycat/BUILD

@@ -0,0 +1,13 @@
+load("@build_bazel_rules_swift//swift:swift.bzl", "swift_binary")
+
+swift_binary(
+    name = "tycat",
+    srcs = [
+        "TypeGraph.swift",
+        "Xcode.swift",
+        "main.swift",
+    ],
+    deps = [
+        "//:IndexStore",
+    ],
+)

Sources/unnecessary-testable/BUILD

@@ -0,0 +1,11 @@
+load("@build_bazel_rules_swift//swift:swift.bzl", "swift_binary")
+
+swift_binary(
+    name = "unnecessary-testable",
+    srcs = [
+        "main.swift",
+    ],
+    deps = [
+        "//:IndexStore",
+    ],
+)