nativity/bootstrap/main.zig
2024-04-25 00:10:36 -06:00

85 lines
3.0 KiB
Zig

const std = @import("std");
const Allocator = std.mem.Allocator;
const assert = std.debug.assert;
const Compilation = @import("Compilation.zig");
pub const panic = Compilation.panic;
const library = @import("library.zig");
const byte_equal = library.byte_equal;
const MyAllocator = library.MyAllocator;
const PageAllocator = library.PageAllocator;
const env_detecting_libc_paths = "NATIVITY_IS_DETECTING_LIBC_PATHS";
test {
_ = library;
}
fn todo() noreturn {
@setCold(true);
@panic("TODO");
}
var my_allocator = PageAllocator{};
pub fn main() !void {
var arena_allocator = std.heap.ArenaAllocator.init(std.heap.page_allocator);
const allocator = arena_allocator.allocator();
const arguments: []const []const u8 = try std.process.argsAlloc(allocator);
const context = try Compilation.createContext(allocator, &my_allocator.allocator);
// const debug_args = false;
// if (debug_args and @import("builtin").os.tag != .windows) {
// assert(arguments.len > 0);
// const home_dir = std.posix.getenv("HOME") orelse unreachable;
// const timestamp = std.time.milliTimestamp();
// var argument_list = UnpinnedArray(u8){};
// for (arguments) |arg| {
// argument_list.append_slice(context.my_allocator, arg) catch {};
// argument_list.append(context.my_allocator, ' ') catch {};
// }
// argument_list.append(context.my_allocator, '\n') catch {};
// std.fs.cwd().writeFile(std.fmt.allocPrint(std.heap.page_allocator, "{s}/dev/nativity/nat/invocation_log_{}", .{ home_dir, timestamp }) catch unreachable, argument_list.slice()) catch {};
// }
if (arguments.len <= 1) {
return error.InvalidInput;
}
if (std.process.can_execv and std.posix.getenvZ(env_detecting_libc_paths) != null) {
todo();
}
const command = arguments[1];
const command_arguments = arguments[2..];
if (byte_equal(command, "build")) {
try Compilation.compileBuildExecutable(context, command_arguments);
} else if (byte_equal(command, "clang") or byte_equal(command, "-cc1") or byte_equal(command, "-cc1as")) {
const exit_code = try Compilation.clangMain(allocator, arguments);
std.process.exit(exit_code);
} else if (byte_equal(command, "cc")) {
try Compilation.compileCSourceFile(context, command_arguments, .c);
} else if (byte_equal(command, "c++")) {
try Compilation.compileCSourceFile(context, command_arguments, .cpp);
} else if (byte_equal(command, "exe")) {
try Compilation.buildExecutable(context, command_arguments, .{
.is_test = false,
});
} else if (byte_equal(command, "lib")) {
todo();
} else if (byte_equal(command, "obj")) {
todo();
} else if (byte_equal(command, "test")) {
try Compilation.buildExecutable(context, command_arguments, .{
.is_test = true,
});
} else {
todo();
}
}
pub const std_options = std.Options{
.enable_segfault_handler = false,
};