Files
RustPython/stdlib/src/dis.rs
2021-10-01 01:54:04 +09:00

44 lines
1.4 KiB
Rust

pub(crate) use decl::make_module;
#[pymodule(name = "dis")]
mod decl {
use crate::vm::{
builtins::{PyCode, PyDictRef, PyStrRef},
bytecode::CodeFlags,
compile, ItemProtocol, PyObjectRef, PyRef, PyResult, TryFromObject, VirtualMachine,
};
#[pyfunction]
fn dis(obj: PyObjectRef, vm: &VirtualMachine) -> PyResult<()> {
let co = if let Ok(co) = vm.get_attribute(obj.clone(), "__code__") {
// Method or function:
co
} else if let Ok(co_str) = PyStrRef::try_from_object(vm, obj.clone()) {
// String:
vm.compile(co_str.as_str(), compile::Mode::Exec, "<dis>".to_owned())
.map_err(|err| vm.new_syntax_error(&err))?
.into_object()
} else {
obj
};
disassemble(co, vm)
}
#[pyfunction]
fn disassemble(co: PyObjectRef, vm: &VirtualMachine) -> PyResult<()> {
let code = PyRef::<PyCode>::try_from_object(vm, co)?;
print!("{}", &code.code);
Ok(())
}
#[pyattr(name = "COMPILER_FLAG_NAMES")]
fn compiler_flag_names(vm: &VirtualMachine) -> PyDictRef {
let dict = vm.ctx.new_dict();
for (name, flag) in CodeFlags::NAME_MAPPING {
dict.set_item(vm.ctx.new_int(flag.bits()), vm.ctx.new_utf8_str(name), vm)
.unwrap();
}
dict
}
}