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Add support for positive integer ranges

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Including support for variables and subexpressions as range bounds.
This commit is contained in:
Jakub Žádník
2021-09-05 00:52:57 +03:00
parent 2794556eaa
commit 0b412cd6b3
9 changed files with 277 additions and 5 deletions
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12
crates/nu-parser/src/flatten.rs
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@ -7,6 +7,7 @@ pub enum FlatShape {
Bool,
Int,
Float,
Range,
InternalCall,
External,
Literal,
@ -65,6 +66,17 @@ pub fn flatten_expression(
}
Expr::Float(_) => {
vec![(expr.span, FlatShape::Float)]
}
Expr::Range(from, to, op) => {
let mut output = vec![];
if let Some(f) = from {
output.extend(flatten_expression(working_set, f));
}
if let Some(t) = to {
output.extend(flatten_expression(working_set, t));
}
output.extend(vec![(op.span, FlatShape::Operator)]);
output
}
Expr::Bool(_) => {
vec![(expr.span, FlatShape::Bool)]