40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
from ground_ast import RootNode
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from typing import Any
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class Generator:
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def __init__(self, ast: RootNode, code: str, output_path: str):
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self.ast = ast
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self.lines: list[str] = []
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self.code = code
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self.output_path = output_path
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self.variables = {}
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self.constants = {}
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self.constants_reverse = {}
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self.constant_counter = 0
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def add_constant(self, value: Any, no_string: bool = False):
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existing_constant_name = self.constants_reverse.get(value, None)
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if existing_constant_name != None: return f"[.{existing_constant_name}]"
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self.constants["LC" + str(self.constant_counter)] = {"value": value, "no_string": no_string}
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self.constants_reverse[value] = "LC" + str(self.constant_counter)
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self.constant_counter += 1
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return "[.LC" + str(self.constant_counter-1) + "]"
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def init(self):
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pass
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def generate_node(self, node):
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self.lines.append(f"; {node}\n\t")
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node_type = str(type(node))[19:-2]
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if not hasattr(self, f"generate_{node_type}"):
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raise NotImplementedError(f"Generator has no generate method for {node_type}.")
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getattr(self, f"generate_{node_type}")(node)
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def generate(self):
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for statement in self.ast.statements:
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self.generate_node(statement)
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def write(self):
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with open(self.output_path + ".asm", "w") as f:
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f.writelines(self.lines) |