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