From 45099916fe6b4fc7211dc081ff3d16adf8ea4121 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=83=AA=E3=82=AD=E8=90=8C?= <commits@liquidev.net>
Date: Tue, 2 Sep 2025 20:15:35 +0200
Subject: [PATCH] update Zig code to 0.15.0

---
 crates/haku2/build.rs      |  1 +
 crates/haku2/src/haku2.zig |  3 ++-
 crates/haku2/src/value.zig | 24 ++++++++++++------------
 crates/haku2/src/vm.zig    |  4 ++--
 4 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/crates/haku2/build.rs b/crates/haku2/build.rs
index a68dc93..3d49a8b 100644
--- a/crates/haku2/build.rs
+++ b/crates/haku2/build.rs
@@ -46,6 +46,7 @@ fn main() -> Result<(), Box<dyn Error>> {
         .arg("--prominent-compile-errors")
         .arg("--color")
         .arg(color)
+        .arg("-freference-trace")
         // Build output
         .arg("--cache-dir")
         .arg(out_path.join("zig-cache"))
diff --git a/crates/haku2/src/haku2.zig b/crates/haku2/src/haku2.zig
index ec428fc..cfadabe 100644
--- a/crates/haku2/src/haku2.zig
+++ b/crates/haku2/src/haku2.zig
@@ -22,8 +22,9 @@ pub const std_options: std.Options = .{
 };
 
 pub fn enableLogScope(scope: @TypeOf(.enum_literal)) bool {
+    // Replace any of the false returns below to enable log scopes for the build.
     if (scope == .vm)
-        return false
+        return true
     else
         return true;
 }
diff --git a/crates/haku2/src/value.zig b/crates/haku2/src/value.zig
index d1498ff..e34bc24 100644
--- a/crates/haku2/src/value.zig
+++ b/crates/haku2/src/value.zig
@@ -69,24 +69,24 @@ pub const Value = union(enum) {
         };
     }
 
-    pub fn format(value: Value, comptime fmt: []const u8, options: std.fmt.FormatOptions, writer: anytype) !void {
+    pub fn format(value: Value, writer: *std.Io.Writer) !void {
         switch (value) {
-            .nil => try std.fmt.formatBuf("Nil", options, writer),
-            .false => try std.fmt.formatBuf("False", options, writer),
-            .true => try std.fmt.formatBuf("True", options, writer),
-            inline .tag, .number => |x| try std.fmt.format(writer, "{d}", .{x}),
-            inline .vec4, .rgba => |x| try std.fmt.format(writer, "{s}{d}", .{ @tagName(value), x }),
+            .nil => try writer.writeAll("Nil"),
+            .false => try writer.writeAll("False"),
+            .true => try writer.writeAll("True"),
+            inline .tag, .number => |x| try writer.print("{d}", .{x}),
+            inline .vec4, .rgba => |x| try writer.print("{s}{d}", .{ @tagName(value), x }),
             .ref => |ref| switch (ref.*) {
-                .closure => |c| try std.fmt.format(writer, "function {s}", .{c.name}),
+                .closure => |c| try writer.print("function {s}", .{c.name}),
                 .list => |l| {
-                    try std.fmt.formatBuf("[", options, writer);
+                    try writer.writeAll("[");
                     for (l, 0..) |elem, i| {
-                        if (i != 0) try std.fmt.formatBuf(", ", options, writer);
-                        try elem.format(fmt, options, writer);
+                        if (i != 0) try writer.writeAll(", ");
+                        try elem.format(writer);
                     }
-                    try std.fmt.formatBuf("]", options, writer);
+                    try writer.writeAll("]");
                 },
-                inline .shape, .scribble, .reticle => |x| try std.fmt.format(writer, "{}", .{x}),
+                inline .shape, .scribble, .reticle => |x| try writer.print("{}", .{x}),
             },
         }
     }
diff --git a/crates/haku2/src/vm.zig b/crates/haku2/src/vm.zig
index 9f90953..910cb13 100644
--- a/crates/haku2/src/vm.zig
+++ b/crates/haku2/src/vm.zig
@@ -167,7 +167,7 @@ pub fn push(vm: *Vm, val: Value) Error!void {
     if (vm.stack_top >= vm.stack.len) {
         return vm.throw("too many live temporary values (local variables and expression operands)", .{});
     }
-    log.debug("PUSH {any} <- {}", .{ vm.stack[0..vm.stack_top], val });
+    log.debug("PUSH {any} <- {f}", .{ vm.stack[0..vm.stack_top], val });
     vm.stack[vm.stack_top] = val;
     vm.stack_top += 1;
 }
@@ -176,7 +176,7 @@ pub fn pop(vm: *Vm) Error!Value {
     try vm.validateBytecode(vm.stack_top > 0, "value stack underflow", .{});
     vm.stack_top -= 1;
     const result = vm.stack[vm.stack_top];
-    log.debug("POP  {any} -> {}", .{ vm.stack[0..vm.stack_top], result });
+    log.debug("POP  {any} -> {f}", .{ vm.stack[0..vm.stack_top], result });
     return vm.stack[vm.stack_top];
 }