108 lines
4.1 KiB
Zig
108 lines
4.1 KiB
Zig
const std = @import("std");
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const builtin = @import("builtin");
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fn addSourceString(str: []const u8, strings: *std.ArrayList(u8), sources: *std.ArrayList([]const u8)) !void {
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var begin = strings.items.len;
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try strings.appendSlice(str);
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var realstring = strings.items[begin..];
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try sources.append(realstring);
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}
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pub fn build(b: *std.Build) !void {
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const optimize = b.standardOptimizeOption(.{});
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var wasm_target = std.zig.CrossTarget{
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.cpu_arch = .wasm32,
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.os_tag = .freestanding,
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};
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wasm_target.cpu_features_add.addFeature(@intFromEnum(std.Target.wasm.Feature.bulk_memory));
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var orca_source_strings = try std.ArrayList(u8).initCapacity(b.allocator, 1024 * 4);
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var orca_sources = try std.ArrayList([]const u8).initCapacity(b.allocator, 128);
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defer orca_source_strings.deinit();
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defer orca_sources.deinit();
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{
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try addSourceString("../../src/orca.c", &orca_source_strings, &orca_sources);
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var libc_shim_dir = try std.fs.cwd().openIterableDir("../../src/libc-shim/src", .{});
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var walker = try libc_shim_dir.walk(b.allocator);
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defer walker.deinit();
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while (try walker.next()) |entry| {
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const extension = std.fs.path.extension(entry.path);
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if (std.mem.eql(u8, extension, ".c")) {
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var path_buffer: [std.fs.MAX_PATH_BYTES]u8 = undefined;
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var abs_path = try libc_shim_dir.dir.realpath(entry.path, &path_buffer);
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try addSourceString(abs_path, &orca_source_strings, &orca_sources);
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}
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}
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}
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const orca_compile_opts = [_][]const u8{
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"-D__ORCA__",
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"--no-standard-libraries",
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"-fno-builtin",
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"-g",
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"-O2",
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"-mexec-model=reactor",
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"-fno-sanitize=undefined",
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"-isystem ../../src/libc-shim/include",
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"-I../../src",
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"-I../../src/ext",
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"-Wl,--export-dynamic",
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};
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var orca_lib = b.addStaticLibrary(.{
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.name = "orca",
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.target = wasm_target,
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.optimize = optimize,
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});
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orca_lib.rdynamic = true;
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orca_lib.addIncludePath(.{ .path = "../../src" });
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orca_lib.addIncludePath(.{ .path = "../../src/libc-shim/include" });
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orca_lib.addIncludePath(.{ .path = "../../src/ext" });
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orca_lib.addCSourceFiles(orca_sources.items, &orca_compile_opts);
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// builds the wasm module out of the orca C sources and main.zig
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const orca_module: *std.Build.Module = b.createModule(.{
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.source_file = .{ .path = "../../src/orca.zig" },
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});
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const wasm_lib = b.addSharedLibrary(.{
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.name = "module",
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.root_source_file = .{ .path = "src/main.zig" },
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.target = wasm_target,
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.optimize = optimize,
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});
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wasm_lib.rdynamic = true;
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wasm_lib.addIncludePath(.{ .path = "../../src" });
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wasm_lib.addIncludePath(.{ .path = "../../src/libc-shim/include" });
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wasm_lib.addIncludePath(.{ .path = "../../ext" });
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wasm_lib.addModule("orca", orca_module);
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wasm_lib.linkLibrary(orca_lib);
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// copies the wasm module into zig-out/wasm_lib
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b.installArtifact(wasm_lib);
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// Runs the orca build command
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const bundle_cmd_str = [_][]const u8{ "orca", "bundle", "--orca-dir", "../..", "--name", "UI", "--resource-dir", "data", "zig-out/lib/module.wasm" };
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var bundle_cmd = b.addSystemCommand(&bundle_cmd_str);
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bundle_cmd.step.dependOn(b.getInstallStep());
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const bundle_step = b.step("bundle", "Runs the orca toolchain to bundle the wasm module into an orca app.");
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bundle_step.dependOn(&bundle_cmd.step);
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// Runs the app
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const run_cmd_windows = [_][]const u8{"UI/bin/UI.exe"};
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const run_cmd_macos = [_][]const u8{ "open", "UI.app" };
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const run_cmd_str: []const []const u8 = switch (builtin.os.tag) {
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.windows => &run_cmd_windows,
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.macos => &run_cmd_macos,
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else => @compileError("unsupported platform"),
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};
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var run_cmd = b.addSystemCommand(run_cmd_str);
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run_cmd.step.dependOn(&bundle_cmd.step);
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const run_step = b.step("run", "Runs the bundled app using the Orca runtime.");
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run_step.dependOn(&run_cmd.step);
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}
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