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phase: 20.49 COMPLETE; 20.50 Flow+String minimal reps; 20.51 selfhost v0/v1 minimal (Option A/B); hv1-inline binop/unop/copy; docs + run_all + CURRENT_TASK -> 21.0

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nyash-codex
2025-11-06 15:41:52 +09:00
parent 2dc370223d
commit 77d4fd72b3
1658 changed files with 6288 additions and 2612 deletions
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61
apps/selfhost-vm/boxes/json_cur.hako Normal file
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// Mini-VM JSON cursor helpers (extracted)
// One static box per file per using/include policy
static box MiniJsonCur {
_is_digit(ch) { if ch == "0" { return 1 } if ch == "1" { return 1 } if ch == "2" { return 1 } if ch == "3" { return 1 } if ch == "4" { return 1 } if ch == "5" { return 1 } if ch == "6" { return 1 } if ch == "7" { return 1 } if ch == "8" { return 1 } if ch == "9" { return 1 } return 0 }
// Skip whitespace from pos; return first non-ws index or -1
next_non_ws(s, pos) {
local i = pos
local n = s.length()
loop (i < n) {
local ch = s.substring(i, i+1)
if ch != " " && ch != "\n" && ch != "\r" && ch != "\t" { return i }
i = i + 1
}
return -1
}
// Read a quoted string starting at pos '"'; returns decoded string (no state)
read_quoted_from(s, pos) {
local i = pos
if s.substring(i, i+1) != "\"" { return "" }
i = i + 1
local out = ""
local n = s.length()
loop (i < n) {
local ch = s.substring(i, i+1)
if ch == "\"" { break }
if ch == "\\" {
i = i + 1
ch = s.substring(i, i+1)
}
out = out + ch
i = i + 1
}
return out
}
// Read consecutive digits from pos
read_digits_from(s, pos) {
local out = ""
local i = pos
// guard against invalid position (null/negative)
if i == null { return out }
if i < 0 { return out }
loop (true) {
local ch = s.substring(i, i+1)
if ch == "" { break }
// inline digit check to avoid same-box method dispatch
if ch == "0" { out = out + ch i = i + 1 continue }
if ch == "1" { out = out + ch i = i + 1 continue }
if ch == "2" { out = out + ch i = i + 1 continue }
if ch == "3" { out = out + ch i = i + 1 continue }
if ch == "4" { out = out + ch i = i + 1 continue }
if ch == "5" { out = out + ch i = i + 1 continue }
if ch == "6" { out = out + ch i = i + 1 continue }
if ch == "7" { out = out + ch i = i + 1 continue }
if ch == "8" { out = out + ch i = i + 1 continue }
if ch == "9" { out = out + ch i = i + 1 continue }
break
}
return out
}
}