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Parse and infer tuple indices

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robojumper 2019-04-05 22:34:45 +02:00
parent 0372eca5b2
commit ca40ca93a5
13 changed files with 210 additions and 14 deletions
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12
crates/ra_syntax/src/validation/field_expr.rs Normal file
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@ -0,0 +1,12 @@
use crate::{ast::{self, FieldKind},
SyntaxError,
SyntaxErrorKind::*,
};
pub(crate) fn validate_field_expr_node(node: &ast::FieldExpr, errors: &mut Vec<SyntaxError>) {
if let Some(FieldKind::Index(idx)) = node.field_access() {
if idx.text().chars().any(|c| c < '0' || c > '9') {
errors.push(SyntaxError::new(InvalidTupleIndexFormat, idx.range()));
}
}
}