mirror of
https://github.com/varun-r-mallya/Python-BPF.git
synced 2025-12-31 21:06:25 +00:00
Consistently use Dataclass syntac for AssignmentInfo and related classes
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@ -1,12 +1,11 @@
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from enum import Enum, auto
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from typing import Any, Dict, List, Optional, TypedDict
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from typing import Any, Dict, List, Optional
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from dataclasses import dataclass
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import llvmlite.ir as ir
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from pythonbpf.vmlinux_parser.dependency_node import Field
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@dataclass
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class AssignmentType(Enum):
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CONSTANT = auto()
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STRUCT = auto()
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@ -16,7 +15,7 @@ class AssignmentType(Enum):
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@dataclass
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class FunctionSignature(TypedDict):
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class FunctionSignature:
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return_type: str
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param_types: List[str]
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varargs: bool
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@ -24,7 +23,7 @@ class FunctionSignature(TypedDict):
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# Thew name of the assignment will be in the dict that uses this class
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@dataclass
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class AssignmentInfo(TypedDict):
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class AssignmentInfo:
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value_type: AssignmentType
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python_type: type
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value: Optional[Any]
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@ -37,16 +37,16 @@ class VmlinuxHandler:
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"""Check if name is a vmlinux enum constant"""
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return (
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name in self.vmlinux_symtab
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and self.vmlinux_symtab[name]["value_type"] == AssignmentType.CONSTANT
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and self.vmlinux_symtab[name].value_type == AssignmentType.CONSTANT
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)
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def get_vmlinux_struct_type(self, name):
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"""Check if name is a vmlinux struct type"""
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if (
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name in self.vmlinux_symtab
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and self.vmlinux_symtab[name]["value_type"] == AssignmentType.STRUCT
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and self.vmlinux_symtab[name].value_type == AssignmentType.STRUCT
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):
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return self.vmlinux_symtab[name]["python_type"]
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return self.vmlinux_symtab[name].python_type
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else:
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raise ValueError(f"{name} is not a vmlinux struct type")
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@ -54,13 +54,13 @@ class VmlinuxHandler:
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"""Check if name is a vmlinux struct"""
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return (
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name in self.vmlinux_symtab
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and self.vmlinux_symtab[name]["value_type"] == AssignmentType.STRUCT
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and self.vmlinux_symtab[name].value_type == AssignmentType.STRUCT
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)
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def handle_vmlinux_enum(self, name):
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"""Handle vmlinux enum constants by returning LLVM IR constants"""
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if self.is_vmlinux_enum(name):
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value = self.vmlinux_symtab[name]["value"]
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value = self.vmlinux_symtab[name].value
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logger.info(f"Resolving vmlinux enum {name} = {value}")
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return ir.Constant(ir.IntType(64), value), ir.IntType(64)
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return None
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@ -68,7 +68,7 @@ class VmlinuxHandler:
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def get_vmlinux_enum_value(self, name):
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"""Handle vmlinux enum constants by returning LLVM IR constants"""
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if self.is_vmlinux_enum(name):
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value = self.vmlinux_symtab[name]["value"]
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value = self.vmlinux_symtab[name].value
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logger.info(f"The value of vmlinux enum {name} = {value}")
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return value
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return None
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@ -115,16 +115,16 @@ class VmlinuxHandler:
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def has_field(self, struct_name, field_name):
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"""Check if a vmlinux struct has a specific field"""
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if self.is_vmlinux_struct(struct_name):
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python_type = self.vmlinux_symtab[struct_name]["python_type"]
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python_type = self.vmlinux_symtab[struct_name].python_type
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return hasattr(python_type, field_name)
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return False
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def get_field_type(self, vmlinux_struct_name, field_name):
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"""Get the type of a field in a vmlinux struct"""
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if self.is_vmlinux_struct(vmlinux_struct_name):
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python_type = self.vmlinux_symtab[vmlinux_struct_name]["python_type"]
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python_type = self.vmlinux_symtab[vmlinux_struct_name].python_type
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if hasattr(python_type, field_name):
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return self.vmlinux_symtab[vmlinux_struct_name]["members"][field_name]
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return self.vmlinux_symtab[vmlinux_struct_name].members[field_name]
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else:
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raise ValueError(
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f"Field {field_name} not found in vmlinux struct {vmlinux_struct_name}"
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@ -135,10 +135,10 @@ class VmlinuxHandler:
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def get_field_index(self, vmlinux_struct_name, field_name):
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"""Get the type of a field in a vmlinux struct"""
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if self.is_vmlinux_struct(vmlinux_struct_name):
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python_type = self.vmlinux_symtab[vmlinux_struct_name]["python_type"]
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python_type = self.vmlinux_symtab[vmlinux_struct_name].python_type
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if hasattr(python_type, field_name):
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return list(
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self.vmlinux_symtab[vmlinux_struct_name]["members"].keys()
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self.vmlinux_symtab[vmlinux_struct_name].members.keys()
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).index(field_name)
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else:
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raise ValueError(
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