add zig build support

.gitignore

@@ -38,3 +38,7 @@ dist/
 *.tar.gz
 *.tgz
 *.zip
+
+# Zig artifacts
+zig-out/
+.zig-cache/

build.zig

@@ -0,0 +1,47 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    const shared = b.option(bool, "build-shared", "Build a shared library") orelse true;
+    const reuse_alloc = b.option(bool, "reuse-allocator", "Reuse the library allocator") orelse false;
+
+    const library_name = "tree-sitter-cpp";
+
+    const grammar = b.createModule(.{
+        .target = target,
+        .optimize = optimize,
+        .link_libc = true,
+        .pic = if (shared) true else null,
+    });
+    const lib: *std.Build.Step.Compile = b.addLibrary(.{
+        .name = library_name,
+        .linkage = if (shared) .dynamic else .static,
+        .root_module = grammar,
+    });
+
+    grammar.addCSourceFiles(.{
+        .files = &.{ "src/parser.c", "src/scanner.c" },
+        .flags = &.{"-std=c11"},
+    });
+
+    if (reuse_alloc) {
+        grammar.addCMacro("TREE_SITTER_REUSE_ALLOCATOR", "");
+    }
+    if (optimize == .Debug) {
+        grammar.addCMacro("TREE_SITTER_DEBUG", "");
+    }
+
+    grammar.addIncludePath(b.path("src"));
+
+    b.installArtifact(lib);
+    b.installFile("src/node-types.json", "node-types.json");
+
+    b.installDirectory(.{
+        .source_dir = b.path("queries"),
+        .install_dir = .prefix,
+        .install_subdir = "queries",
+        .include_extensions = &.{"scm"},
+    });
+}

build.zig.zon

@@ -0,0 +1,13 @@
+.{
+    .name = .tree_sitter_cpp,
+    .fingerprint = 0xb8f4bd40e27ed859,
+    .minimum_zig_version = "0.16.0",
+    .version = "0.23.4",
+    .paths = .{
+        "build.zig",
+        "build.zig.zon",
+        "src",
+        "queries",
+        "LICENSE",
+    },
+}