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Merge pull request #3462 from qingshi163/mapping-protocol2
Refactor Mapping Protocol and Item Protocol
2 parents 40991b9 + ae53894 commit 38513cb

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57 files changed

+756
-868
lines changed

‎benches/microbenchmarks.rs

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -4,7 +4,7 @@ use criterion::{
44
};
55
use rustpython_compiler::Mode;
66
use rustpython_vm::{
7-
common::ascii, InitParameter, Interpreter, ItemProtocol, PyObjectWrap, PyResult, PySettings,
7+
common::ascii, InitParameter, Interpreter, PyObjectWrap, PyResult, PySettings,
88
};
99
use std::path::{Path, PathBuf};
1010
use std::{ffi, fs, io};

‎examples/mini_repl.rs

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -6,8 +6,6 @@
66
use rustpython_vm as vm;
77
// these are needed for special memory shenanigans to let us share a variable with Python and Rust
88
use std::sync::atomic::{AtomicBool, Ordering};
9-
// this needs to be in scope in order to insert things into scope.globals
10-
use vm::ItemProtocol;
119

1210
// This has to be a macro because it uses the py_compile macro,
1311
// which compiles python source to optimized bytecode at compile time, so that

‎src/lib.rs

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -46,8 +46,8 @@ extern crate log;
4646
use clap::{App, AppSettings, Arg, ArgMatches};
4747
use rustpython_vm::{
4848
builtins::PyDictRef, builtins::PyInt, compile, match_class, scope::Scope, stdlib::sys,
49-
InitParameter, Interpreter, ItemProtocol, PyObjectRef, PyResult, PySettings, TryFromObject,
50-
TypeProtocol, VirtualMachine,
49+
InitParameter, Interpreter, PyObjectRef, PyResult, PySettings, TryFromObject, TypeProtocol,
50+
VirtualMachine,
5151
};
5252

5353
use std::env;
@@ -645,7 +645,7 @@ fn run_module(vm: &VirtualMachine, module: &str) -> PyResult<()> {
645645
fn get_importer(path: &str, vm: &VirtualMachine) -> PyResult<Option<PyObjectRef>> {
646646
let path_importer_cache = vm.sys_module.clone().get_attr("path_importer_cache", vm)?;
647647
let path_importer_cache = PyDictRef::try_from_object(vm, path_importer_cache)?;
648-
if let Some(importer) = path_importer_cache.get_item_option(path, vm)? {
648+
if let Some(importer) = path_importer_cache.get_item_opt(path, vm)? {
649649
return Ok(Some(importer));
650650
}
651651
let path = vm.ctx.new_str(path);

‎src/shell/helper.rs

Lines changed: 1 addition & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -74,10 +74,7 @@ impl<'vm> ShellHelper<'vm> {
7474
// last: the last word, could be empty if it ends with a dot
7575
// parents: the words before the dot
7676

77-
let mut current = self
78-
.globals
79-
.get_item_option(first.as_str(), self.vm)
80-
.ok()??;
77+
let mut current = self.globals.get_item_opt(first.as_str(), self.vm).ok()??;
8178

8279
for attr in parents {
8380
current = current.clone().get_attr(attr.as_str(), self.vm).ok()?;

‎stdlib/src/array.rs

Lines changed: 18 additions & 27 deletions
Original file line numberDiff line numberDiff line change
@@ -1239,35 +1239,26 @@ mod array {
12391239
},
12401240
};
12411241

1242+
impl PyArray {
1243+
const MAPPING_METHODS: PyMappingMethods = PyMappingMethods {
1244+
length: Some(|mapping, _vm| Ok(Self::mapping_downcast(mapping).len())),
1245+
subscript: Some(|mapping, needle, vm| {
1246+
Self::mapping_downcast(mapping).getitem(needle.to_owned(), vm)
1247+
}),
1248+
ass_subscript: Some(|mapping, needle, value, vm| {
1249+
let zelf = Self::mapping_downcast(mapping);
1250+
if let Some(value) = value {
1251+
Self::setitem(zelf.to_owned(), needle.to_owned(), value, vm)
1252+
} else {
1253+
Self::delitem(zelf.to_owned(), needle.to_owned(), vm)
1254+
}
1255+
}),
1256+
};
1257+
}
1258+
12421259
impl AsMapping for PyArray {
12431260
fn as_mapping(_zelf: &PyObjectView<Self>, _vm: &VirtualMachine) -> PyMappingMethods {
1244-
PyMappingMethods {
1245-
length: Some(Self::length),
1246-
subscript: Some(Self::subscript),
1247-
ass_subscript: Some(Self::ass_subscript),
1248-
}
1249-
}
1250-
1251-
fn length(zelf: PyObjectRef, vm: &VirtualMachine) -> PyResult<usize> {
1252-
Self::downcast_ref(&zelf, vm).map(|zelf| Ok(zelf.len()))?
1253-
}
1254-
1255-
fn subscript(zelf: PyObjectRef, needle: PyObjectRef, vm: &VirtualMachine) -> PyResult {
1256-
Self::downcast_ref(&zelf, vm).map(|zelf| zelf.getitem(needle, vm))?
1257-
}
1258-
1259-
fn ass_subscript(
1260-
zelf: PyObjectRef,
1261-
needle: PyObjectRef,
1262-
value: Option<PyObjectRef>,
1263-
vm: &VirtualMachine,
1264-
) -> PyResult<()> {
1265-
match value {
1266-
Some(value) => {
1267-
Self::downcast(zelf, vm).map(|zelf| Self::setitem(zelf, needle, value, vm))?
1268-
}
1269-
None => Self::downcast(zelf, vm).map(|zelf| Self::delitem(zelf, needle, vm))?,
1270-
}
1261+
Self::MAPPING_METHODS
12711262
}
12721263
}
12731264

‎stdlib/src/bisect.rs

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -3,8 +3,7 @@ pub(crate) use _bisect::make_module;
33
#[pymodule]
44
mod _bisect {
55
use crate::vm::{
6-
function::OptionalArg, types::PyComparisonOp::Lt, ItemProtocol, PyObjectRef, PyResult,
7-
VirtualMachine,
6+
function::OptionalArg, types::PyComparisonOp::Lt, PyObjectRef, PyResult, VirtualMachine,
87
};
98

109
#[derive(FromArgs)]

‎stdlib/src/dis.rs

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -5,7 +5,7 @@ mod decl {
55
use crate::vm::{
66
builtins::{PyCode, PyDictRef, PyStrRef},
77
bytecode::CodeFlags,
8-
compile, ItemProtocol, PyObjectRef, PyRef, PyResult, TryFromObject, VirtualMachine,
8+
compile, PyObjectRef, PyRef, PyResult, TryFromObject, VirtualMachine,
99
};
1010

1111
#[pyfunction]

‎stdlib/src/pyexpat.rs

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -35,8 +35,7 @@ mod _pyexpat {
3535
builtins::{PyStr, PyStrRef, PyTypeRef},
3636
function::ArgBytesLike,
3737
function::{IntoFuncArgs, OptionalArg},
38-
ItemProtocol, PyContext, PyObjectRef, PyRef, PyResult, PyValue, TryFromObject,
39-
VirtualMachine,
38+
PyContext, PyObjectRef, PyRef, PyResult, PyValue, TryFromObject, VirtualMachine,
4039
};
4140
use rustpython_common::lock::PyRwLock;
4241
use std::io::Cursor;

‎stdlib/src/scproxy.rs

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@ mod _scproxy {
77
use crate::vm::{
88
builtins::{PyDictRef, PyStr},
99
function::IntoPyObject,
10-
ItemProtocol, PyResult, VirtualMachine,
10+
PyResult, VirtualMachine,
1111
};
1212
use system_configuration::core_foundation::{
1313
array::CFArray,

‎stdlib/src/ssl.rs

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -39,7 +39,7 @@ mod _ssl {
3939
stdlib::os::PyPathLike,
4040
types::Constructor,
4141
utils::{Either, ToCString},
42-
ItemProtocol, PyObjectRef, PyObjectWeak, PyRef, PyResult, PyValue, VirtualMachine,
42+
PyObjectRef, PyObjectWeak, PyRef, PyResult, PyValue, VirtualMachine,
4343
},
4444
};
4545
use crossbeam_utils::atomic::AtomicCell;

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