From 474ede369ba155f12a7b2c3b157c11fd4d58baca Mon Sep 17 00:00:00 2001
From: Nguyễn Gia Phong <cnx@loang.net>
Date: Fri, 1 Mar 2024 06:40:51 +0900
Subject: Support macOS

---
 build.zig       |  6 ++++--
 src/cimport.zig |  6 +-----
 src/main.zig    | 29 ++++++++++++++++-------------
 3 files changed, 21 insertions(+), 20 deletions(-)

diff --git a/build.zig b/build.zig
index 0ac29d5..f869257 100644
--- a/build.zig
+++ b/build.zig
@@ -48,8 +48,10 @@ pub fn build(b: *Build) !void {
     run_tests.addArgs(&.{ "-z", b.zig_exe });
     run_tests.addArgs(&.{ "-t", try target.zigTriple(b.allocator) });
     switch (getExternalExecutor(tests.target_info, bin.target_info, .{})) {
-        .qemu => |emulator| run_tests.addArgs(&.{ "-e", emulator }),
-        else => {},
+        .native => {},
+        .qemu, .darling => |emulator| run_tests.addArgs(&.{ "-e", emulator }),
+        .bad_os_or_cpu => return error.BadOsOrCpu,
+        else => unreachable,
     }
     if (b.args) |args|
         run_tests.addArgs(args);
diff --git a/src/cimport.zig b/src/cimport.zig
index 65666b2..19416af 100644
--- a/src/cimport.zig
+++ b/src/cimport.zig
@@ -1,8 +1,4 @@
-pub const FILE = stdio.FILE;
-pub const fclose = stdio.fclose;
-pub const fopen = stdio.fopen;
-pub const fputs = stdio.fputs;
-pub const stdio = @cImport(@cInclude("stdio.h"));
+pub const FILE = @import("std").c.FILE;
 
 pub const bits = u64;
 
diff --git a/src/main.zig b/src/main.zig
index fbbb8b1..993c0a1 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -9,6 +9,8 @@ const c = @import("cimport.zig");
 const cWriter = std.io.cWriter;
 const eql = std.mem.eql;
 const exit = std.os.exit;
+const fclose = std.c.fclose;
+const fopen = std.c.fopen;
 const getStdErr = std.io.getStdErr;
 const getStdOut = std.io.getStdOut;
 const isAlphabetic = std.ascii.isAlphabetic;
@@ -159,8 +161,8 @@ const Parser = struct {
         c.T = default_target.*;
         var args = try argsWithAllocator(allocator);
         var dbg = false;
-        var out: *c.FILE = c.stdio.stdout.?;
-        errdefer _ = c.fclose(out);
+        var out = fopen("/dev/stdout", "w").?;
+        errdefer _ = fclose(out);
 
         const prog = args.next().?;
         while (args.next()) |arg| {
@@ -181,8 +183,8 @@ const Parser = struct {
                     }
                 },
                 'o' => {
-                    _ = c.fclose(out);
-                    out = c.fopen(value, "w") // TODO: explicit OpenError
+                    _ = fclose(out);
+                    out = fopen(value, "w") // TODO: explicit OpenError
                         orelse try die("cannot open '{s}'\n", .{ value }, 1);
                 },
                 't' => {
@@ -200,16 +202,18 @@ const Parser = struct {
             }
         }
 
-        if (dbg)
-            _ = c.fclose(out);
-        return .{ .dbg = dbg, .out = if (dbg) c.stdio.stderr.? else out };
+        if (dbg) {
+            _ = fclose(out);
+            out = fopen("/dev/stdout", "w").?;
+        }
+        return .{ .dbg = dbg, .out = out };
     }
 
     /// Finish writing to output file.
     pub fn deinit(self: Parser) void {
         if (!self.dbg)
             c.T.emitfin(self.out);
-        _ = c.fclose(self.out);
+        _ = fclose(self.out);
     }
 
     /// Skip emitting data in debug mode.
@@ -233,6 +237,7 @@ pub fn main() !void {
     var read_stdin = true;
     var args = try argsWithAllocator(allocator);
     _ = args.next().?;
+    const stdin = fopen("/dev/stdin", "r").?;
     while (args.next()) |arg| {
         if (arg[0] == '-' and arg.len > 1) {
             // must be -d, -o or -t
@@ -241,13 +246,11 @@ pub fn main() !void {
             continue;
         }
         read_stdin = false;
-        const in_file = if (eql(u8, arg, "-"))
-            c.stdio.stdin.?
-        else c.fopen(arg, "r") // TODO: explicit OpenError
+        const in_file = if (eql(u8, arg, "-")) stdin else fopen(arg, "r")
             orelse try die("cannot open '{s}'\n", .{ arg }, 1);
-        defer _ = c.fclose(in_file);
+        defer _ = fclose(in_file);
         parser.parse(in_file, arg.ptr);
     }
     if (read_stdin)
-        parser.parse(c.stdio.stdin.?, "-");
+        parser.parse(stdin, "-");
 }
-- 
cgit 1.4.1