forked from M-Labs/nac3
nac3parser: modify parser to handle negative integer edge cases
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8c05d8431d
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1f3aa48361
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@ -5,7 +5,7 @@
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use std::iter::FromIterator;
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use crate::ast;
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use crate::ast::{self, Constant};
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use crate::fstring::parse_located_fstring;
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use crate::function::{ArgumentList, parse_args, parse_params};
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use crate::error::LexicalError;
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@ -916,7 +916,17 @@ Factor: ast::Expr = {
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<location:@L> <op:UnaryOp> <e:Factor> => ast::Expr {
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location,
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custom: (),
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node: ast::ExprKind::UnaryOp { operand: Box::new(e), op }
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node: {
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match (&op, &e.node) {
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(ast::Unaryop::USub, ast::ExprKind::Constant { value: Constant::Int(val), kind }) => {
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ast::ExprKind::Constant {
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value: Constant::Int(-val),
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kind: kind.clone()
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}
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}
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_ => ast::ExprKind::UnaryOp { operand: Box::new(e), op }
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}
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}
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},
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Power,
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};
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