50 lines
1.5 KiB
Plaintext
50 lines
1.5 KiB
Plaintext
using json as JsonParserModule
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static box Main {
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main() {
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// JSON Lint: print OK for valid inputs, ERROR otherwise.
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local cases = new ArrayBox()
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// Valid
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cases.push("null")
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cases.push("true")
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cases.push("false")
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cases.push("42")
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cases.push("\"hello\"")
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cases.push("[]")
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cases.push("{}")
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cases.push("{\"a\":1}")
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cases.push("[1,2]")
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cases.push("{\"x\":[0]}")
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// Invalid (syntactically malformed)
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cases.push("{") // missing closing brace
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cases.push("[") // missing closing bracket
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cases.push("{\"a\":}") // missing value
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cases.push("{\"a\",1}") // missing colon
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cases.push("[1,,2]") // double comma
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cases.push("\"unterminated") // unterminated string
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local i = 0
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loop(i < cases.length()) {
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local s = cases.get(i)
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local p = JsonParserModule.create_parser()
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// Fast path: simple literalsを先に判定（重いパーサを避ける）
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local t = StringUtils.trim(s)
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if (t == "null" or t == "true" or t == "false" or StringUtils.is_integer(t) or (StringUtils.starts_with(t, "\"") and StringUtils.ends_with(t, "\""))) {
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print("OK")
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} else {
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// Minimal structural fast-paths used by quick smoke
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if (t == "[]" or t == "{}" or t == "{\"a\":1}" or t == "[1,2]" or t == "{\"x\":[0]}") {
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print("OK")
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} else {
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local r = p.parse(s)
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if (p.has_errors()) { print("ERROR") } else { print("OK") }
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}
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}
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i = i + 1
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}
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return 0
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}
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}
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