65 lines
2.6 KiB
Python
65 lines
2.6 KiB
Python
#!/usr/bin/env python3
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# ex: set filetype=python:
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"""Generate code to handle XDR enum types"""
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from generators import SourceGenerator, create_jinja2_environment
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from xdr_ast import _XdrEnum, public_apis, big_endian, get_header_name
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class XdrEnumGenerator(SourceGenerator):
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"""Generate source code for XDR enum types"""
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def __init__(self, language: str, peer: str):
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"""Initialize an instance of this class"""
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self.environment = create_jinja2_environment(language, "enum")
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self.peer = peer
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def emit_declaration(self, node: _XdrEnum) -> None:
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"""Emit one declaration pair for an XDR enum type"""
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if node.name in public_apis:
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template = self.environment.get_template("declaration/enum.j2")
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print(template.render(name=node.name))
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def emit_definition(self, node: _XdrEnum) -> None:
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"""Emit one definition for an XDR enum type"""
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template = self.environment.get_template("definition/open.j2")
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print(template.render(name=node.name))
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template = self.environment.get_template("definition/enumerator.j2")
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for enumerator in node.enumerators:
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print(template.render(name=enumerator.name, value=enumerator.value))
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if node.name in big_endian:
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template = self.environment.get_template("definition/close_be.j2")
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else:
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template = self.environment.get_template("definition/close.j2")
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print(template.render(name=node.name))
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def emit_decoder(self, node: _XdrEnum) -> None:
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"""Emit one decoder function for an XDR enum type"""
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if node.name in big_endian:
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template = self.environment.get_template("decoder/enum_be.j2")
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else:
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template = self.environment.get_template("decoder/enum.j2")
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print(template.render(name=node.name))
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def emit_encoder(self, node: _XdrEnum) -> None:
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"""Emit one encoder function for an XDR enum type"""
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if node.name in big_endian:
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template = self.environment.get_template("encoder/enum_be.j2")
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else:
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template = self.environment.get_template("encoder/enum.j2")
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print(template.render(name=node.name))
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def emit_maxsize(self, node: _XdrEnum) -> None:
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"""Emit one maxsize macro for an XDR enum type"""
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macro_name = get_header_name().upper() + "_" + node.name + "_sz"
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template = self.environment.get_template("maxsize/enum.j2")
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print(
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template.render(
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macro=macro_name,
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width=" + ".join(node.symbolic_width()),
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)
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)
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