Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#!/usr/bin/env python3
2# ex: set filetype=python:
3
4"""Generate code to handle XDR enum types"""
5
6from generators import SourceGenerator, create_jinja2_environment
7from xdr_ast import _XdrEnum, public_apis, big_endian, get_header_name
8
9
10class XdrEnumGenerator(SourceGenerator):
11 """Generate source code for XDR enum types"""
12
13 def __init__(self, language: str, peer: str):
14 """Initialize an instance of this class"""
15 self.environment = create_jinja2_environment(language, "enum")
16 self.peer = peer
17
18 def emit_declaration(self, node: _XdrEnum) -> None:
19 """Emit one declaration pair for an XDR enum type"""
20 if node.name in public_apis:
21 template = self.environment.get_template("declaration/enum.j2")
22 print(template.render(name=node.name))
23
24 def emit_definition(self, node: _XdrEnum) -> None:
25 """Emit one definition for an XDR enum type"""
26 template = self.environment.get_template("definition/open.j2")
27 print(template.render(name=node.name))
28
29 template = self.environment.get_template("definition/enumerator.j2")
30 for enumerator in node.enumerators:
31 print(template.render(name=enumerator.name, value=enumerator.value))
32
33 if node.name in big_endian:
34 template = self.environment.get_template("definition/close_be.j2")
35 else:
36 template = self.environment.get_template("definition/close.j2")
37 print(template.render(name=node.name))
38
39 def emit_decoder(self, node: _XdrEnum) -> None:
40 """Emit one decoder function for an XDR enum type"""
41 if node.name in big_endian:
42 template = self.environment.get_template("decoder/enum_be.j2")
43 else:
44 template = self.environment.get_template("decoder/enum.j2")
45 print(template.render(name=node.name))
46
47 def emit_encoder(self, node: _XdrEnum) -> None:
48 """Emit one encoder function for an XDR enum type"""
49 if node.name in big_endian:
50 template = self.environment.get_template("encoder/enum_be.j2")
51 else:
52 template = self.environment.get_template("encoder/enum.j2")
53 print(template.render(name=node.name))
54
55 def emit_maxsize(self, node: _XdrEnum) -> None:
56 """Emit one maxsize macro for an XDR enum type"""
57 macro_name = get_header_name().upper() + "_" + node.name + "_sz"
58 template = self.environment.get_template("maxsize/enum.j2")
59 print(
60 template.render(
61 macro=macro_name,
62 width=" + ".join(node.symbolic_width()),
63 )
64 )