htzx/build.zig
2023-10-26 18:54:59 -06:00

106 lines
4.3 KiB
Zig

const std = @import("std");
pub fn build(b: *std.Build) !void {
const target = b.standardTargetOptions(.{});
// Standard optimization options allow the person running `zig build` to select
// between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
// set a preferred release mode, allowing the user to decide how to optimize.
const optimize = b.standardOptimizeOption(.{});
const exe = b.addExecutable(.{
.name = "zx",
// In this case the main source file is merely a path, however, in more
// complicated build scripts, this could be a generated file.
.root_source_file = .{ .path = "src/main.zig" },
.target = target,
.optimize = optimize,
});
// This declares intent for the library to be installed into the standard
// location when the user invokes the "install" step (the default step when
// running `zig build`).
b.installArtifact(exe);
const run_cmd = b.addRunArtifact(exe);
// By making the run step depend on the install step, it will be run from the
// installation directory rather than directly from within the cache directory.
// This is not necessary, however, if the application depends on other installed
// files, this ensures they will be present and in the expected location.
run_cmd.step.dependOn(b.getInstallStep());
// This allows the user to pass arguments to the application in the build
// command itself, like this: `zig build run -- arg1 arg2 etc`
if (b.args) |args| {
run_cmd.addArgs(args);
}
// This creates a build step. It will be visible in the `zig build --help` menu,
// and can be selected like this: `zig build run`
// This will evaluate the `run` step rather than the default, which is "install".
const run_step = b.step("run", "Run the app");
run_step.dependOn(&run_cmd.step);
// Creates a step for unit testing. This only builds the test executable
// but does not run it.
const main_tests = b.addTest(.{
.root_source_file = .{ .path = "src/main.zig" },
.target = target,
.optimize = optimize,
});
const run_main_tests = b.addRunArtifact(main_tests);
// This creates a build step. It will be visible in the `zig build --help` menu,
// and can be selected like this: `zig build test`
// This will evaluate the `test` step rather than the default, which is "install".
const test_step = b.step("test", "Run library tests");
test_step.dependOn(&run_main_tests.step);
// Setup comptime parsing for /lib files
var markup_files = std.ArrayList([]const u8).init(b.allocator);
var zig_files = std.ArrayList([]const u8).init(b.allocator);
defer markup_files.deinit();
defer zig_files.deinit();
var options = b.addOptions();
// Add all files names in the src folder to `files`
var dir = try std.fs.cwd().openIterableDir("lib", .{});
var lib_walker = try dir.walk(b.allocator);
var walking = true;
while (walking) blk: {
var file = lib_walker.next() catch {
walking = false;
break :blk;
};
if (file == null) {
walking = false;
break :blk;
}
if (file.?.kind == .file) {
const path = file.?.path;
var split_iter = std.mem.splitBackwardsAny(u8, path, ".");
var extension = split_iter.first();
if (std.mem.eql(u8, extension, "zig")) {
std.debug.print("Adding zig file {s}...\n", .{path});
try zig_files.append(b.dupe(path));
}
else if (std.mem.eql(u8, extension, "html")) {
std.debug.print("Adding markup file {s}...\n", .{path});
try markup_files.append(b.dupe(path));
} else {
std.debug.print("Unrecognized file extension {s}\t{s}\n", .{extension, path});
}
}
// std.debug.print("Got entry in `versions:` base: {s}, path: {s}, kind: {any}\n", .{ ver.?.basename, ver.?.path, ver.?.kind });
}
// Add the file names as an option to the exe, making it available
// as a string array at comptime in main.zig
options.addOption([]const []const u8, "zig_files", zig_files.items);
options.addOption([]const []const u8, "markup_files", markup_files.items);
exe.addOptions("options", options);
}