use rustpython_ast::{Expr, ExprContext, ExprKind};
pub fn set_context(expr: Expr, ctx: ExprContext) -> Expr {
match expr.node {
ExprKind::Name { id, .. } => Expr {
node: ExprKind::Name { id, ctx },
..expr
},
ExprKind::Tuple { elts, .. } => Expr {
node: ExprKind::Tuple {
elts: elts
.into_iter()
.map(|elt| set_context(elt, ctx.clone()))
.collect(),
ctx,
},
..expr
},
ExprKind::List { elts, .. } => Expr {
node: ExprKind::List {
elts: elts
.into_iter()
.map(|elt| set_context(elt, ctx.clone()))
.collect(),
ctx,
},
..expr
},
ExprKind::Attribute { value, attr, .. } => Expr {
node: ExprKind::Attribute { value, attr, ctx },
..expr
},
ExprKind::Subscript { value, slice, .. } => Expr {
node: ExprKind::Subscript { value, slice, ctx },
..expr
},
ExprKind::Starred { value, .. } => Expr {
node: ExprKind::Starred {
value: Box::new(set_context(*value, ctx.clone())),
ctx,
},
..expr
},
_ => expr,
}
}
#[cfg(test)]
mod tests {
use crate::parser::parse_program;
#[test]
fn test_assign_name() {
let source = String::from("x = (1, 2, 3)");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_assign_tuple() {
let source = String::from("(x, y) = (1, 2, 3)");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_assign_list() {
let source = String::from("[x, y] = (1, 2, 3)");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_assign_attribute() {
let source = String::from("x.y = (1, 2, 3)");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_assign_subscript() {
let source = String::from("x[y] = (1, 2, 3)");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_assign_starred() {
let source = String::from("(x, *y) = (1, 2, 3)");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_assign_for() {
let source = String::from("for x in (1, 2, 3): pass");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_assign_list_comp() {
let source = String::from("x = [y for y in (1, 2, 3)]");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_assign_set_comp() {
let source = String::from("x = {y for y in (1, 2, 3)}");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_assign_with() {
let source = String::from("with 1 as x: pass");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_assign_named_expr() {
let source = String::from("if x:= 1: pass");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_ann_assign_name() {
let source = String::from("x: int = 1");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_aug_assign_name() {
let source = String::from("x += 1");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_aug_assign_attribute() {
let source = String::from("x.y += (1, 2, 3)");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_aug_assign_subscript() {
let source = String::from("x[y] += (1, 2, 3)");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_del_name() {
let source = String::from("del x");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_del_attribute() {
let source = String::from("del x.y");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
#[test]
fn test_del_subscript() {
let source = String::from("del x[y]");
let parse_ast = parse_program(&source, "<test>").unwrap();
insta::assert_debug_snapshot!(parse_ast);
}
}