34be7d2d79
mir: add TypeCertainty to Callee::Method (diagnostic only); plumb through builder/JSON/printer; backends ignore behaviorally using: confirm unified prelude resolver entry for all runner modes docs: update Callee architecture with certainty; update call-instructions; CURRENT_TASK note tests: quick 40/40 PASS; integration (LLVM) 17/17 PASS
100 lines
3.4 KiB
Plaintext
100 lines
3.4 KiB
Plaintext
// mir_vm_min.nyash — Ny製の最小MIR(JSON v0)実行器（const→retのみ）
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// 目的: M2スケルトン。仕様は既定OFFに影響しない新規アプリのみ。
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// 入力: MIR(JSON v0) 文字列。形式例:
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// {
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// "functions":[{"name":"main","params":[],"blocks":[{"id":0,"instructions":[
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// {"op":"const","dst":1,"value":{"type":"i64","value":42}},
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// {"op":"ret","value":1}
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// ]}]}]
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// }
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// 振る舞い: 最初の const i64 の値を読み取り、print する。ret は value スロット参照を想定するが、MVPでは無視。
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static box MirVmMin {
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// 最小限のスキャン関数（依存ゼロ版）
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index_of_from(hay, needle, pos) {
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if pos < 0 { pos = 0 }
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local n = hay.length()
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if pos >= n { return -1 }
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local m = needle.length()
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if m <= 0 { return pos }
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local i = pos
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local limit = n - m
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loop (i <= limit) {
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local seg = hay.substring(i, i + m)
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if seg == needle { return i }
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i = i + 1
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}
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return -1
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}
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read_digits(json, pos) {
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local out = ""
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local i = pos
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loop (true) {
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local s = json.substring(i, i+1)
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if s == "" { break }
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if s == "0" || s == "1" || s == "2" || s == "3" || s == "4" || s == "5" || s == "6" || s == "7" || s == "8" || s == "9" {
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out = out + s
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i = i + 1
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} else { break }
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}
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return out
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}
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_str_to_int(s) {
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local i = 0
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local n = s.length()
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local acc = 0
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loop (i < n) {
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local ch = s.substring(i, i+1)
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if ch == "0" { acc = acc * 10 + 0 i = i + 1 continue }
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if ch == "1" { acc = acc * 10 + 1 i = i + 1 continue }
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if ch == "2" { acc = acc * 10 + 2 i = i + 1 continue }
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if ch == "3" { acc = acc * 10 + 3 i = i + 1 continue }
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if ch == "4" { acc = acc * 10 + 4 i = i + 1 continue }
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if ch == "5" { acc = acc * 10 + 5 i = i + 1 continue }
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if ch == "6" { acc = acc * 10 + 6 i = i + 1 continue }
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if ch == "7" { acc = acc * 10 + 7 i = i + 1 continue }
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if ch == "8" { acc = acc * 10 + 8 i = i + 1 continue }
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if ch == "9" { acc = acc * 10 + 9 i = i + 1 continue }
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break
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}
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return acc
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}
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_int_to_str(n) {
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if n == 0 { return "0" }
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local v = n
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local out = ""
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loop (v > 0) {
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local d = v % 10
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local ch = "0"
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if d == 1 { ch = "1" } else { if d == 2 { ch = "2" } else { if d == 3 { ch = "3" } else { if d == 4 { ch = "4" } else { if d == 5 { ch = "5" } else { if d == 6 { ch = "6" } else { if d == 7 { ch = "7" } else { if d == 8 { ch = "8" } else { if d == 9 { ch = "9" } } } } } } } }
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out = ch + out
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v = v / 10
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}
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return out
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}
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// MVP: 最初の const i64 の値を抽出
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_extract_first_const_i64(json) {
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if json == null { return 0 }
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// "op":"const" を探す
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local p = json.indexOf("\"op\":\"const\"")
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if p < 0 { return 0 }
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// そこから "\"value\":{\"type\":\"i64\",\"value\":" を探す
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local key = "\"value\":{\"type\":\"i64\",\"value\":"
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local q = me.index_of_from(json, key, p)
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if q < 0 { return 0 }
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q = q + key.length()
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// 連続する数字を読む
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local digits = me.read_digits(json, q)
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if digits == "" { return 0 }
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return me._str_to_int(digits)
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}
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// 実行: 値を print し、0 を返す（MVP）。将来は exit code 連動可。
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run(mir_json_text) {
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local v = me._extract_first_const_i64(mir_json_text)
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print(me._int_to_str(v))
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return 0
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}
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}
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