first commit

build.zig

@@ -0,0 +1,102 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    const mod = b.addModule("wasm_runtime", .{
+        .root_source_file = b.path("src/root.zig"),
+        .target = target,
+    });
+
+    const exe = b.addExecutable(.{
+        .name = "wasm_runtime",
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/main.zig"),
+            .target = target,
+            .optimize = optimize,
+            .imports = &.{
+                .{ .name = "wasm_runtime", .module = mod },
+            },
+        }),
+    });
+    b.installArtifact(exe);
+
+    const run_cmd = b.addRunArtifact(exe);
+    run_cmd.step.dependOn(b.getInstallStep());
+    if (b.args) |args| run_cmd.addArgs(args);
+    const run_step = b.step("run", "Run the app");
+    run_step.dependOn(&run_cmd.step);
+
+    const lib_tests = b.addTest(.{
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/root.zig"),
+            .target = target,
+            .optimize = optimize,
+        }),
+    });
+    const run_lib_tests = b.addRunArtifact(lib_tests);
+
+    const binary_tests = b.addTest(.{
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/wasm/binary.zig"),
+            .target = target,
+            .optimize = optimize,
+        }),
+    });
+    const run_binary_tests = b.addRunArtifact(binary_tests);
+
+    const validator_tests = b.addTest(.{
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/wasm/validator.zig"),
+            .target = target,
+            .optimize = optimize,
+        }),
+    });
+    const run_validator_tests = b.addRunArtifact(validator_tests);
+
+    const runtime_tests = b.addTest(.{
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/wasm/runtime.zig"),
+            .target = target,
+            .optimize = optimize,
+        }),
+    });
+    const run_runtime_tests = b.addRunArtifact(runtime_tests);
+
+    const instance_tests = b.addTest(.{
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/wasm/instance.zig"),
+            .target = target,
+            .optimize = optimize,
+        }),
+    });
+    const run_instance_tests = b.addRunArtifact(instance_tests);
+
+    const host_tests = b.addTest(.{
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/wasm/host.zig"),
+            .target = target,
+            .optimize = optimize,
+        }),
+    });
+    const run_host_tests = b.addRunArtifact(host_tests);
+
+    const jit_tests = b.addTest(.{
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/wasm/jit_tests.zig"),
+            .target = target,
+            .optimize = optimize,
+        }),
+    });
+    const run_jit_tests = b.addRunArtifact(jit_tests);
+
+    const test_step = b.step("test", "Run all tests");
+    test_step.dependOn(&run_lib_tests.step);
+    test_step.dependOn(&run_binary_tests.step);
+    test_step.dependOn(&run_validator_tests.step);
+    test_step.dependOn(&run_runtime_tests.step);
+    test_step.dependOn(&run_instance_tests.step);
+    test_step.dependOn(&run_host_tests.step);
+    test_step.dependOn(&run_jit_tests.step);
+}