Files
sx/examples/1185-diagnostics-weld-fn-runtime-call.sx
agra 2060373c16 comptime VM arc: abi(.compiler) ABI, out as sx fn, VM-native diagnostics, BuildConfig threaded
Lands the full VM/compiler-API arc on branch reify (701/0 both gates):
- abi(.compiler) ABI replaces abi(.zig) extern compiler + the fake
  #library "compiler"; bodiless decl = compiler-API surface, bodied =
  user compiler-domain fn (lowered for VM eval, emit-skipped).
- out is a plain sx fn (libc write) — the out builtin deleted; the VM
  handles it via host-FFI. trace_resolve + interp_print_frames ported.
- 4B VM-native diagnostics: 1179/1180 render proper comptime type
  construction failed: under strict.
- S5a: build_options/set_post_link_callback on abi(.compiler) with
  BuildConfig threaded into the VM (green intermediate).
- 0522 fixed (describe(args: []Type)); regression 0638.

Strict deletion-gate down to 4 compiler_call bails (1609/1614/1615/1616)
+ 1654 (legitimate unresolvable-symbol diagnostic).
2026-06-19 07:04:10 +03:00

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527 B
Plaintext

// Diagnostic: a welded `compiler`-library function is comptime-only — it has no
// runtime symbol (the comptime interpreter dispatches it to a Zig handler).
// Calling one from runtime code is a build error with a clear message, NOT an
// undefined-symbol link failure. (A comptime use — inside `#run` or a `::` —
// is fine; see examples/0626.)
#import "modules/std.sx";
StringId :: u32;
intern :: (s: string) -> StringId abi(.compiler);
main :: () {
id := intern("called at runtime");
print("{}\n", id);
}