65 lines
1.2 KiB
Python
65 lines
1.2 KiB
Python
from dataclasses import dataclass
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from core.tokenizer import TokenKind, Keywords
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@dataclass()
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class Node:
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pass
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@dataclass()
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class NopNode(Node):
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pass
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def __repr__(self):
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return "nop"
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class NotInitializedNode(Node):
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pass
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def __repr__(self):
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return "**N/A**"
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@dataclass()
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class ErrorNode(Node):
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pass
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class BaseParser:
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PREFIX = "Parsers:"
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def __init__(self, name):
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self.name = self.PREFIX + name
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self.has_error = False
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self.error_sink = []
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def __eq__(self, other):
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if not isinstance(other, self.__class__):
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return False
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return self.name == other.name
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def __hash__(self):
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return hash(self.name)
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def parse(self, context, text):
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pass
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@staticmethod
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def get_text_from_tokens(tokens):
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if tokens is None:
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return ""
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res = ""
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for token in tokens:
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value = Keywords(token.value).value if token.type == TokenKind.KEYWORD else token.value
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res += value
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return res
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@staticmethod
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def log_result(log, text, ret):
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if ret.status:
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log.debug(f"Recognized '{text}' as {ret.value}")
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else:
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log.debug(f"Failed to recognize '{text}'")
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