67 lines
1.6 KiB
Python
67 lines
1.6 KiB
Python
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import json
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from dataclasses import dataclass
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from typing import List, Dict, Any
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from pathlib import Path
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@dataclass
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class XICInstruction:
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op: str
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args: List[Any]
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@dataclass
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class XICProgram:
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magic: str
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version: int
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model: str
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entrypoint: str
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symbols: Dict[str, int]
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instructions: List[XICInstruction]
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class XICLoadError(Exception):
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pass
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def load_xic(path: str) -> XICProgram:
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"""Load and validate an XIC program from JSON."""
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try:
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p = Path(path)
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if not p.exists():
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raise XICLoadError(f"File not found: {path}")
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with open(p) as f:
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data = json.load(f)
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# Validate magic and version
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magic = data.get("magic")
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if magic != "GXIC1":
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raise XICLoadError(f"Invalid magic: {magic} (expected GXIC1)")
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version = data.get("version")
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if version != 1:
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raise XICLoadError(f"Unsupported version: {version}")
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# Parse instructions
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instructions = []
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for instr in data.get("instructions", []):
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instructions.append(XICInstruction(
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op=instr["op"],
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args=instr.get("args", [])
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))
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return XICProgram(
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magic=magic,
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version=version,
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model=data.get("model", ""),
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entrypoint=data.get("entrypoint", "main"),
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symbols=data.get("symbols", {}),
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instructions=instructions
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)
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except json.JSONDecodeError as e:
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raise XICLoadError(f"Invalid JSON: {e}")
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except Exception as e:
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raise XICLoadError(f"Load failed: {e}")
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