hakorune/tools/pyc/PyCompiler.nyash

// Nyash-side Python compiler (Phase 10.7 C2 - minimal)
// Orchestrates: Parser(JSON) -> IR(JSON) -> Nyash source (string)

static box PyCompiler {
  parseToJson() {
    // Use Nyash-only parser via PyRuntimeBox (no Rust build)
    local p
    p = new PythonParserNy()
    return p.parse("")
  }

  buildIRFromParse(json) {
    // Minimal: analyze Python source from env and extract first constant return as JSON scalar string
    // Python snippet: parse code from os.getenv("NYASH_PY_CODE"), find first Return(Constant)
    local os, getenv, src, ast, parsef, walkf, first_ret
    local py = new PyRuntimeBox()
    // Walk via Python: extract first constant return value if present
    local res
    res = py.eval("next((n.value.value for n in __import__('ast').walk(__import__('ast').parse(__import__('os').getenv('NYASH_PY_CODE') or '')) if isinstance(n, __import__('ast').Return) and isinstance(n.value, __import__('ast').Constant)), None)")
    // JSON-encode result (number or None) and return as StringBox directly
    local ret_json
    ret_json = py.import("json").getattr("dumps").call(res).str()
    return new StringBox(ret_json)
  }

  irToNyashSource(retJson) {
    // Build Nyash source directly from the scalar JSON value string
    local src
    src = "static box Generated {\n  main() {\n    return " + retJson + "\n  }\n}"
    return new StringBox(src)
  }
}