forked from extern/nushell
Remove unnecessary replace_in_variable (#11424)
# Description `Expression::replace_in_variable` is only called in one place, and it is called with `new_var_id` = `IN_VARIABLE_ID`. So, it ends up doing nothing. E.g., adding `debug_assert_eq!(new_var_id, IN_VARIABLE_ID)` in `replace_in_variable` does not trigger any panic. # User-Facing Changes Breaking change for `nu_protocol`.
This commit is contained in:
Ian Manske
GitHub
parent
40241e9be6
commit
ba880277bf
@ -6086,11 +6086,8 @@ fn wrap_expr_with_collect(working_set: &mut StateWorkingSet, expr: &Expression)
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default_value: None,
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default_value: None,
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});
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});
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let mut expr = expr.clone();
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expr.replace_in_variable(working_set, var_id);
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let block = Block {
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let block = Block {
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pipelines: vec![Pipeline::from_vec(vec![expr])],
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pipelines: vec![Pipeline::from_vec(vec![expr.clone()])],
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signature: Box::new(signature),
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signature: Box::new(signature),
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..Default::default()
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..Default::default()
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};
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};
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@ -301,204 +301,6 @@ impl Expression {
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}
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}
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}
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}
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pub fn replace_in_variable(&mut self, working_set: &mut StateWorkingSet, new_var_id: VarId) {
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match &mut self.expr {
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Expr::BinaryOp(left, _, right) => {
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left.replace_in_variable(working_set, new_var_id);
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right.replace_in_variable(working_set, new_var_id);
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}
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Expr::UnaryNot(expr) => {
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expr.replace_in_variable(working_set, new_var_id);
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}
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Expr::Block(block_id) => {
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let block = working_set.get_block(*block_id);
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let new_expr = if let Some(pipeline) = block.pipelines.first() {
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if let Some(element) = pipeline.elements.first() {
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let mut new_element = element.clone();
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new_element.replace_in_variable(working_set, new_var_id);
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Some(new_element)
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} else {
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None
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}
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} else {
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None
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};
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let block = working_set.get_block_mut(*block_id);
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if let Some(new_expr) = new_expr {
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if let Some(pipeline) = block.pipelines.get_mut(0) {
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if let Some(expr) = pipeline.elements.get_mut(0) {
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*expr = new_expr
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}
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}
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}
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block.captures = block
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.captures
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.iter()
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.map(|x| if *x != IN_VARIABLE_ID { *x } else { new_var_id })
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.collect();
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}
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Expr::Closure(block_id) => {
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let block = working_set.get_block(*block_id);
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let new_element = if let Some(pipeline) = block.pipelines.first() {
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if let Some(element) = pipeline.elements.first() {
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let mut new_element = element.clone();
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new_element.replace_in_variable(working_set, new_var_id);
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Some(new_element)
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} else {
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None
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}
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} else {
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None
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};
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let block = working_set.get_block_mut(*block_id);
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if let Some(new_element) = new_element {
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if let Some(pipeline) = block.pipelines.get_mut(0) {
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if let Some(element) = pipeline.elements.get_mut(0) {
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*element = new_element
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}
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}
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}
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block.captures = block
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.captures
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.iter()
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.map(|x| if *x != IN_VARIABLE_ID { *x } else { new_var_id })
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.collect();
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}
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Expr::Binary(_) => {}
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Expr::Bool(_) => {}
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Expr::Call(call) => {
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for positional in call.positional_iter_mut() {
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positional.replace_in_variable(working_set, new_var_id);
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}
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for named in call.named_iter_mut() {
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if let Some(expr) = &mut named.2 {
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expr.replace_in_variable(working_set, new_var_id)
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}
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}
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}
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Expr::CellPath(_) => {}
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Expr::DateTime(_) => {}
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Expr::ExternalCall(head, args, _) => {
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head.replace_in_variable(working_set, new_var_id);
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for arg in args {
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arg.replace_in_variable(working_set, new_var_id)
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}
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}
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Expr::Filepath(_) => {}
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Expr::Directory(_) => {}
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Expr::Float(_) => {}
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Expr::FullCellPath(full_cell_path) => {
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full_cell_path
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.head
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.replace_in_variable(working_set, new_var_id);
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}
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Expr::ImportPattern(_) => {}
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Expr::Overlay(_) => {}
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Expr::Garbage => {}
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Expr::Nothing => {}
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Expr::GlobPattern(_) => {}
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Expr::Int(_) => {}
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Expr::MatchBlock(_) => {}
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Expr::Keyword(_, _, expr) => expr.replace_in_variable(working_set, new_var_id),
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Expr::List(list) => {
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for l in list {
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l.replace_in_variable(working_set, new_var_id)
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}
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}
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Expr::Operator(_) => {}
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Expr::Range(left, middle, right, ..) => {
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if let Some(left) = left {
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left.replace_in_variable(working_set, new_var_id)
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}
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if let Some(middle) = middle {
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middle.replace_in_variable(working_set, new_var_id)
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}
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if let Some(right) = right {
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right.replace_in_variable(working_set, new_var_id)
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}
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}
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Expr::Record(items) => {
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for item in items {
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match item {
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RecordItem::Pair(field_name, field_value) => {
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field_name.replace_in_variable(working_set, new_var_id);
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field_value.replace_in_variable(working_set, new_var_id);
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}
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RecordItem::Spread(_, record) => {
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record.replace_in_variable(working_set, new_var_id);
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}
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}
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}
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}
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Expr::Signature(_) => {}
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Expr::String(_) => {}
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Expr::StringInterpolation(items) => {
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for i in items {
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i.replace_in_variable(working_set, new_var_id)
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}
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}
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Expr::RowCondition(block_id) | Expr::Subexpression(block_id) => {
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let block = working_set.get_block(*block_id);
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let new_element = if let Some(pipeline) = block.pipelines.first() {
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if let Some(element) = pipeline.elements.first() {
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let mut new_element = element.clone();
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new_element.replace_in_variable(working_set, new_var_id);
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Some(new_element)
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} else {
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None
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}
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} else {
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None
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};
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let block = working_set.get_block_mut(*block_id);
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if let Some(new_element) = new_element {
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if let Some(pipeline) = block.pipelines.get_mut(0) {
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if let Some(element) = pipeline.elements.get_mut(0) {
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*element = new_element
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}
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}
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}
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block.captures = block
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.captures
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.iter()
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.map(|x| if *x != IN_VARIABLE_ID { *x } else { new_var_id })
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.collect();
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}
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Expr::Table(headers, cells) => {
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for header in headers {
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header.replace_in_variable(working_set, new_var_id)
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}
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for row in cells {
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for cell in row.iter_mut() {
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cell.replace_in_variable(working_set, new_var_id)
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}
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}
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}
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Expr::ValueWithUnit(expr, _) => expr.replace_in_variable(working_set, new_var_id),
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Expr::Var(x) => {
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if *x == IN_VARIABLE_ID {
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*x = new_var_id
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}
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}
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Expr::VarDecl(_) => {}
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Expr::Spread(expr) => expr.replace_in_variable(working_set, new_var_id),
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}
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}
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pub fn replace_span(
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pub fn replace_span(
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&mut self,
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&mut self,
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working_set: &mut StateWorkingSet,
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working_set: &mut StateWorkingSet,
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@ -1,4 +1,4 @@
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use crate::{ast::Expression, engine::StateWorkingSet, Span, VarId};
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use crate::{ast::Expression, engine::StateWorkingSet, Span};
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use serde::{Deserialize, Serialize};
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use serde::{Deserialize, Serialize};
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use std::ops::{Index, IndexMut};
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use std::ops::{Index, IndexMut};
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@ -88,30 +88,6 @@ impl PipelineElement {
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}
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}
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}
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}
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pub fn replace_in_variable(&mut self, working_set: &mut StateWorkingSet, new_var_id: VarId) {
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match self {
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PipelineElement::Expression(_, expression)
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| PipelineElement::Redirection(_, _, expression, _)
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| PipelineElement::And(_, expression)
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| PipelineElement::Or(_, expression)
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| PipelineElement::SameTargetRedirection {
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cmd: (_, expression),
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..
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} => expression.replace_in_variable(working_set, new_var_id),
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PipelineElement::SeparateRedirection {
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out: (_, out_expr, _),
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err: (_, err_expr, _),
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} => {
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if out_expr.has_in_variable(working_set) {
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out_expr.replace_in_variable(working_set, new_var_id)
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}
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if err_expr.has_in_variable(working_set) {
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err_expr.replace_in_variable(working_set, new_var_id)
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}
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}
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}
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}
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pub fn replace_span(
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pub fn replace_span(
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&mut self,
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&mut self,
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working_set: &mut StateWorkingSet,
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working_set: &mut StateWorkingSet,
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