Orkuncakilkaya
985f9ad8f2
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>
39 lines
1.6 KiB
Text
39 lines
1.6 KiB
Text
# emit_machine.ludic — `machine <reg> { state Name = v { .. } }` dispatches on a
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# register's value; `become Name` stores the target state's value back. Both are
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# reg()/setreg() calls, resolved to the runtime like any other builtin.
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fn emit_machine(st: Node) -> void {
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let regv = emit_expr(st.a)
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let s = emit_bind(sconcat("call i32 @fn_rt_reg(i32 ", sconcat(regv.code, ")")))
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if nmach < len(mach_stk) { mach_stk[nmach] = st } else { push(mach_stk, st) }
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nmach = nmach + 1
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let endl = lbl("smend")
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let i = 0
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while i < len(st.kids) {
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let state = st.kids[i]
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let v = emit_expr(state.b)
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let c = emit_bind(sconcat("icmp eq i32 ", sconcat(s, sconcat(", ", v.code))))
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let body = lbl("sbody") let nxt = lbl("sarm")
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emit(" br i1 ") emit(c) emit(", label %") emit(body) emit(", label %") emit(nxt) emit("\n")
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emit(body) emit(":\n") g_term = false
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emit_block(state.a)
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if not g_term { emit(" br label %") emit(endl) emit("\n") }
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emit(nxt) emit(":\n") g_term = false
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i = i + 1
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}
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if not g_term { emit(" br label %") emit(endl) emit("\n") }
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emit(endl) emit(":\n") g_term = false
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nmach = nmach - 1
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}
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fn emit_become(st: Node) -> void {
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if nmach == 0 { perr("'become' outside a machine") }
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let m = mach_stk[nmach - 1]
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let target: Node = ptr_null()
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let i = 0
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while i < len(m.kids) { if streq(m.kids[i].s, st.s) { target = m.kids[i] } i = i + 1 }
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if ptr_is_null(target) { perr(sconcat("become: no state ", st.s)) }
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let regv = emit_expr(m.a)
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let sv = emit_expr(target.b)
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emit(" call void @fn_rt_setreg(i32 ") emit(regv.code) emit(", i32 ") emit(sv.code) emit(")\n")
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}
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