198 lines
8.3 KiB
Python
Executable file
198 lines
8.3 KiB
Python
Executable file
#!/usr/bin/env python3
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"""
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This file is part of the Fun programming language.
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https://fun-lang.xyz/
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Copyright 2025 Johannes Findeisen <you@hanez.org>
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Licensed under the terms of the Apache-2.0 license.
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https://opensource.org/license/apache-2-0
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"""
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import re
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import sys
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import argparse
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[1]
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BYTECODE = ROOT / "src" / "bytecode.h"
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VM_C = ROOT / "src" / "vm.c"
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OP_RE = re.compile(r'\bOP_([A-Z0-9_]+)\b')
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# Capture optional subdirectory and the basename separately
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INCLUDE_RE = re.compile(r'#include\s+"vm/(?:([a-z0-9_]+)/)?([a-z0-9_]+)\.c"')
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def read_text(path: Path) -> str:
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try:
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return path.read_text(encoding="utf-8")
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except Exception as e:
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print(f"error: cannot read {path}: {e}", file=sys.stderr)
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sys.exit(2)
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def parse_opcodes_from_bytecode(text: str) -> set[str]:
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# Gather OP_* from the enum definition, excluding duplicates in comments
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ops = set()
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# crude: find typedef enum block and extract OP_* tokens
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enum_start = text.find("typedef enum")
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if enum_start == -1:
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enum_start = 0
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enum_block = text[enum_start:]
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for m in OP_RE.finditer(enum_block):
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token = m.group(1)
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ops.add(token)
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return ops
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def parse_includes_from_vm(text: str) -> set[str]:
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pairs = [(m.group(1) or "", m.group(2)) for m in INCLUDE_RE.finditer(text)]
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# Manually check for opcodes handled directly in switch/case instead of via includes
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switch_ops = set()
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if "case OP_CPP_ADD:" in text:
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switch_ops.add("CPP_ADD")
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# Drop support includes that are not opcode handlers
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support_includes = {"thread_common", "stubs", "handles"}
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pairs = [(d, n) for (d, n) in pairs if n not in support_includes]
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# Base-name overrides (dir-agnostic) for a few special cases
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base_overrides = {
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# core
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"nop": "NOP", "halt": "HALT",
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"load_const": "LOAD_CONST", "load_local": "LOAD_LOCAL", "store_local": "STORE_LOCAL",
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"load_global": "LOAD_GLOBAL", "store_global": "STORE_GLOBAL",
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"pop": "POP", "dup": "DUP", "swap": "SWAP",
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"call": "CALL", "return": "RETURN", "print": "PRINT", "echo": "ECHO",
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"jump": "JUMP", "jump_if_false": "JUMP_IF_FALSE",
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"line": "LINE", "exit": "EXIT",
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# arithmetic/logic
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"add": "ADD", "sub": "SUB", "mul": "MUL", "div": "DIV", "mod": "MOD",
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"lt": "LT", "lte": "LTE", "gt": "GT", "gte": "GTE",
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"eq": "EQ", "neq": "NEQ", "and": "AND", "or": "OR", "not": "NOT",
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# arrays and slices
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"make_array": "MAKE_ARRAY", "len": "LEN",
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"index_get": "INDEX_GET", "index_set": "INDEX_SET",
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"push": "PUSH", "apop": "APOP", "set": "SET", "insert": "INSERT", "remove": "REMOVE",
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"slice": "SLICE", "clear": "CLEAR", "contains": "CONTAINS", "index_of": "INDEX_OF",
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"arr_push": "PUSH", "arr_pop": "APOP", "arr_set": "SET", "arr_insert": "INSERT", "arr_remove": "REMOVE",
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# conversions and type/meta
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"to_number": "TO_NUMBER", "to_string": "TO_STRING",
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"cast": "CAST", "typeof": "TYPEOF", "uclamp": "UCLAMP", "sclamp": "SCLAMP",
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# strings and iteration helpers
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"split": "SPLIT", "join": "JOIN", "substr": "SUBSTR", "find": "FIND",
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"enumerate": "ENUMERATE", "zip": "ZIP",
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"regex_match": "REGEX_MATCH", "regex_replace": "REGEX_REPLACE", "regex_search": "REGEX_SEARCH",
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# maps and I/O
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"make_map": "MAKE_MAP", "keys": "KEYS", "values": "VALUES", "has_key": "HAS_KEY",
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"read_file": "READ_FILE", "write_file": "WRITE_FILE", "input_line": "INPUT_LINE",
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# os/env
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"env": "ENV", "sleep_ms": "SLEEP_MS", "env_all": "ENV_ALL", "fun_version": "FUN_VERSION",
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"proc_run": "PROC_RUN", "proc_system": "PROC_SYSTEM", "random_number": "RANDOM_NUMBER",
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"clock_mono_ms": "CLOCK_MONO_MS", "time_now_ms": "TIME_NOW_MS", "date_format": "DATE_FORMAT",
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# math / RNG
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"min": "MIN", "max": "MAX", "clamp": "CLAMP", "abs": "ABS", "pow": "POW",
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"random_seed": "RANDOM_SEED", "random_int": "RANDOM_INT",
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"floor": "FLOOR", "ceil": "CEIL", "trunc": "TRUNC", "round": "ROUND",
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"sin": "SIN", "cos": "COS", "tan": "TAN", "exp": "EXP", "log": "LOG", "log10": "LOG10", "sqrt": "SQRT",
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"gcd": "GCD", "lcm": "LCM", "isqrt": "ISQRT", "sign": "SIGN", "fmin": "FMIN", "fmax": "FMAX",
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# bitwise and shifts/rotates
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"band": "BAND", "bor": "BOR", "bxor": "BXOR", "bnot": "BNOT",
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"shl": "SHL", "shr": "SHR",
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"rol": "ROTL", "ror": "ROTR",
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# threads
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"thread_spawn": "THREAD_SPAWN", "thread_join": "THREAD_JOIN",
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# exceptions
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"throw": "THROW", "try_pop": "TRY_POP", "try_push": "TRY_PUSH",
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}
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def map_token(d: str, n: str) -> str:
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# Directory-specific namespaces
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if d == "curl":
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if n in {"download", "get", "post"}:
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return f"CURL_{n.upper()}"
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if d == "openssl":
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if n in {"md5", "ripemd160", "sha256", "sha512"}:
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return f"OPENSSL_{n.upper()}"
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if d == "rust":
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if n in {"get_sp", "hello", "hello_args", "hello_args_return", "set_exit" }:
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return f"RUST_{n.upper()}"
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if d == "cpp":
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if n == "add":
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return "CPP_ADD"
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return f"CPP_{n.upper()}"
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if d == "kcgi":
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if n in {"end", "parse", "reply_start", "write"}:
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return f"KCGI_{n.upper()}"
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if d == "ini":
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if n in {"load", "free", "get_string", "get_int", "get_double", "get_bool", "set", "unset", "save"}:
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return f"INI_{n.upper()}"
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if d == "json":
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if n in {"parse", "stringify", "from_file", "to_file"}:
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return f"JSON_{n.upper()}"
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if d == "xml":
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if n in {"parse", "root", "name", "text"}:
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return f"XML_{n.upper()}"
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if d == "sqlite":
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if n in {"open", "close", "exec", "query"}:
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return f"SQLITE_{n.upper()}"
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if d == "redis":
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if n in {"connect", "cmd", "close"}:
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return f"REDIS_{n.upper()}"
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if d == "pcsc":
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if n in {"establish", "release", "list_readers", "connect", "disconnect", "transmit"}:
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return f"PCSC_{n.upper()}"
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if d == "pcre2":
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if n in {"test", "match", "findall"}:
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return f"PCRE2_{n.upper()}"
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if d == "os":
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# special cases in OS
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if n == "list_dir":
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return "OS_LIST_DIR"
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if n.startswith("socket_"):
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rest = n.split("socket_", 1)[1].upper()
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return f"SOCK_{rest}"
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if n.startswith("serial_"):
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# serial_open/config/send/recv/close
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return f"SERIAL_{n.split('serial_',1)[1].upper()}"
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# Fallbacks: known base overrides, else uppercase name
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return base_overrides.get(n, n.upper())
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tokens = set(map(lambda p: map_token(p[0], p[1]), pairs))
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tokens.update(switch_ops)
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return tokens
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def main() -> int:
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ap = argparse.ArgumentParser(description="Check that vm_case_*.inc includes cover OP_* opcodes.")
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ap.add_argument("-v", "--verbose", action="store_true", help="print summary of ops and includes")
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args = ap.parse_args()
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bc_text = read_text(BYTECODE)
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vm_text = read_text(VM_C)
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ops = parse_opcodes_from_bytecode(bc_text)
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inc_tokens = parse_includes_from_vm(vm_text)
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missing_handlers = sorted([op for op in ops if op not in inc_tokens])
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extra_includes = sorted([t for t in inc_tokens if t not in ops])
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ok = True
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if missing_handlers:
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ok = False
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print("Missing vm_case includes for opcodes:", ", ".join(missing_handlers))
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if extra_includes:
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ok = False
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print("Includes without matching OP_* in bytecode.h:", ", ".join(extra_includes))
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if ok:
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if args.verbose:
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print(f"OK: vm_case includes cover OP_* set from bytecode.h")
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print(f" OP_* count : {len(ops)}")
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print(f" includes count : {len(inc_tokens)}")
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print(f" OP_* tokens : {', '.join(sorted(ops))}")
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print(f" include tokens : {', '.join(sorted(inc_tokens))}")
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else:
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print("OK: vm_case includes cover OP_* set from bytecode.h")
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return 0
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return 1
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if __name__ == "__main__":
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sys.exit(main())
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