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Baseline: Ludic compiler + toolchain, Phase 1 syntax fixes complete

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Self-hosted compiler (selfhost/*.ludic), runtime, examples, editor tooling,
and docs. Phase 1 of the syntax-redesign cohesion pass has landed:
edge-system fix, signature-query, when-alias, and the documentation truth-pass.
Suite green (14/14), C-free bootstrap fixpoint holds.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-08-27 15:15:35 +03:00
commit 985f9ad8f2
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29
selfhost/emit_math.ludic Normal file
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# emit_math.ludic — the math builtins that lower to inline IR rather than a
# runtime call: min, max, abs, clamp. Everything else named like a builtin
# (clear, fill_rect, reg, ...) is resolved to its rt_ function by emit_call.
fn is_math_builtin(name: ptr) -> bool {
return streq(name,"min") or streq(name,"max") or streq(name,"abs") or streq(name,"clamp")
}
fn emit_math_builtin(name: ptr, e: Node) -> Val {
if streq(name, "abs") {
let a = emit_expr(e.kids[0])
let c = emit_bind(sconcat("icmp slt i32 ", sconcat(a.code, ", 0")))
let n = emit_bind(sconcat("sub i32 0, ", a.code))
return val(emit_bind(sconcat("select i1 ", sconcat(c, sconcat(", i32 ", sconcat(n, sconcat(", i32 ", a.code)))))), "int")
}
if streq(name, "min") or streq(name, "max") {
let a = emit_expr(e.kids[0]) let b = emit_expr(e.kids[1])
let op = "slt"
if streq(name, "max") { op = "sgt" }
let c = emit_bind(sconcat("icmp ", sconcat(op, sconcat(" i32 ", sconcat(a.code, sconcat(", ", b.code))))))
return val(emit_bind(sconcat("select i1 ", sconcat(c, sconcat(", i32 ", sconcat(a.code, sconcat(", i32 ", b.code)))))), "int")
}
# clamp(v, lo, hi) = max(lo, min(v, hi))
let v = emit_expr(e.kids[0]) let lo = emit_expr(e.kids[1]) let hi = emit_expr(e.kids[2])
let c1 = emit_bind(sconcat("icmp slt i32 ", sconcat(v.code, sconcat(", ", hi.code))))
let t = emit_bind(sconcat("select i1 ", sconcat(c1, sconcat(", i32 ", sconcat(v.code, sconcat(", i32 ", hi.code))))))
let c2 = emit_bind(sconcat("icmp sgt i32 ", sconcat(lo.code, sconcat(", ", t))))
return val(emit_bind(sconcat("select i1 ", sconcat(c2, sconcat(", i32 ", sconcat(lo.code, sconcat(", i32 ", t)))))), "int")
}