d8076b9333
Surface rename of the signed integer family: s1..s64 become i1..i64
(u1..u64, usize, isize unchanged). 'string' keeps the s-prefix arm in
name classification; width parsing moves to the i-prefix arm next to
isize.
Internal TypeId tags follow the surface (.s8/.s16/.s32/.s64 ->
.i8/.i16/.i32/.i64), as do mono-key mangle fragments (ptr_i64,
tu_i64_bool) and all display/diagnostic formatting (i{d}).
Migrated in the same sweep: stdlib + examples + issue repros + FFI C
companions (shared symbol names like ffi_id_i64), expected
stdout/stderr/ir snapshots, specs.md, readme.md, CLAUDE.md/AGENTS.md,
implementation_plan.md, docs/, issue writeups. Vendored stb_image and
historical flow state left untouched.
zig build test: 426/426; examples suite: 595/595.
33 lines
837 B
Plaintext
33 lines
837 B
Plaintext
// `cast(T) val` inside a conditional, evaluated by the IR interpreter
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// during a post-link callback. The `cast` syntax lowers the type arg
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// (`i64`) as a `placeholder` IR op; the interpreter treats placeholders
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// as undef so the comparison runs through unchanged.
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#import "modules/std.sx";
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#import "modules/build.sx";
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libc :: #library "c";
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popen :: (cmd: [:0]u8, mode: [:0]u8) -> *void #foreign libc;
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puts :: (s: [:0]u8) -> i32 #foreign libc;
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R :: struct { x: i32; }
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bug :: (cmd: [:0]u8) -> ?R {
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f := popen(cmd, "r");
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if cast(i64) f == 0 { return null; }
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R.{ x = 1 }
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}
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post_link :: () -> bool {
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if r := bug("echo hi") { puts("ok"); } else { puts("null"); }
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true
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}
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configure :: () {
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opts := build_options();
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opts.set_post_link_callback(post_link);
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}
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#run configure();
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main :: () { print("rt\n"); }
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