1
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forked from M-Labs/nac3
nac3/nac3ast/src/impls.rs
Sebastien Bourdeauducq 80c7bc1cbd add RustPython parser
based on RustPython 67b338863ee6f16b0df0a7d1aa9debba55284651
2021-11-03 16:34:10 +08:00

54 lines
2.3 KiB
Rust

use crate::{Constant, ExprKind};
impl<U> ExprKind<U> {
/// Returns a short name for the node suitable for use in error messages.
pub fn name(&self) -> &'static str {
match self {
ExprKind::BoolOp { .. } | ExprKind::BinOp { .. } | ExprKind::UnaryOp { .. } => {
"operator"
}
ExprKind::Subscript { .. } => "subscript",
ExprKind::Await { .. } => "await expression",
ExprKind::Yield { .. } | ExprKind::YieldFrom { .. } => "yield expression",
ExprKind::Compare { .. } => "comparison",
ExprKind::Attribute { .. } => "attribute",
ExprKind::Call { .. } => "function call",
ExprKind::Constant { value, .. } => match value {
Constant::Str(_)
| Constant::Int(_)
| Constant::Float(_)
| Constant::Complex { .. }
| Constant::Bytes(_) => "literal",
Constant::Tuple(_) => "tuple",
Constant::Bool(_) | Constant::None => "keyword",
Constant::Ellipsis => "ellipsis",
},
ExprKind::List { .. } => "list",
ExprKind::Tuple { .. } => "tuple",
ExprKind::Dict { .. } => "dict display",
ExprKind::Set { .. } => "set display",
ExprKind::ListComp { .. } => "list comprehension",
ExprKind::DictComp { .. } => "dict comprehension",
ExprKind::SetComp { .. } => "set comprehension",
ExprKind::GeneratorExp { .. } => "generator expression",
ExprKind::Starred { .. } => "starred",
ExprKind::Slice { .. } => "slice",
ExprKind::JoinedStr { values } => {
if values
.iter()
.any(|e| matches!(e.node, ExprKind::JoinedStr { .. }))
{
"f-string expression"
} else {
"literal"
}
}
ExprKind::FormattedValue { .. } => "f-string expression",
ExprKind::Name { .. } => "name",
ExprKind::Lambda { .. } => "lambda",
ExprKind::IfExp { .. } => "conditional expression",
ExprKind::NamedExpr { .. } => "named expression",
}
}
}