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Merge pull request #254 from nushell/iter_perf

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Some iter perf improvements
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JT 2021-10-26 16:28:42 +13:00 committed by GitHub
commit 29dde84394
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2 changed files with 16 additions and 32 deletions
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13
crates/nu-command/src/core_commands/for_.rs
View File

@ -56,18 +56,17 @@ impl Command for For {
.expect("internal error: expected block"); .expect("internal error: expected block");
let engine_state = engine_state.clone(); let engine_state = engine_state.clone();
let block = engine_state.get_block(block_id); let block = engine_state.get_block(block_id).clone();
let mut stack = stack.collect_captures(&block.captures); let mut stack = stack.collect_captures(&block.captures);
match values { match values {
Value::List { vals, .. } => Ok(vals Value::List { vals, .. } => Ok(vals
.into_iter() .into_iter()
.map(move |x| { .map(move |x| {
let mut stack = stack.clone();
stack.add_var(var_id, x); stack.add_var(var_id, x);
let block = engine_state.get_block(block_id); //let block = engine_state.get_block(block_id);
match eval_block(&engine_state, &mut stack, block, PipelineData::new()) { match eval_block(&engine_state, &mut stack, &block, PipelineData::new()) {
Ok(pipeline_data) => pipeline_data.into_value(), Ok(pipeline_data) => pipeline_data.into_value(),
Err(error) => Value::Error { error }, Err(error) => Value::Error { error },
} }
@ -78,8 +77,8 @@ impl Command for For {
.map(move |x| { .map(move |x| {
stack.add_var(var_id, x); stack.add_var(var_id, x);
let block = engine_state.get_block(block_id); //let block = engine_state.get_block(block_id);
match eval_block(&engine_state, &mut stack, block, PipelineData::new()) { match eval_block(&engine_state, &mut stack, &block, PipelineData::new()) {
Ok(pipeline_data) => pipeline_data.into_value(), Ok(pipeline_data) => pipeline_data.into_value(),
Err(error) => Value::Error { error }, Err(error) => Value::Error { error },
} }
@ -88,7 +87,7 @@ impl Command for For {
x => { x => {
stack.add_var(var_id, x); stack.add_var(var_id, x);
eval_block(&engine_state, &mut stack, block, PipelineData::new()) eval_block(&engine_state, &mut stack, &block, PipelineData::new())
} }
} }
} }

35
crates/nu-command/src/filters/each.rs
View File

@ -64,7 +64,7 @@ impl Command for Each {
let numbered = call.has_flag("numbered"); let numbered = call.has_flag("numbered");
let engine_state = engine_state.clone(); let engine_state = engine_state.clone();
let block = engine_state.get_block(block_id); let block = engine_state.get_block(block_id).clone();
let mut stack = stack.collect_captures(&block.captures); let mut stack = stack.collect_captures(&block.captures);
let span = call.head; let span = call.head;
@ -73,10 +73,6 @@ impl Command for Each {
.into_range_iter()? .into_range_iter()?
.enumerate() .enumerate()
.map(move |(idx, x)| { .map(move |(idx, x)| {
let block = engine_state.get_block(block_id);
let mut stack = stack.clone();
if let Some(var) = block.signature.get_positional(0) { if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id { if let Some(var_id) = &var.var_id {
if numbered { if numbered {
@ -100,21 +96,16 @@ impl Command for Each {
} }
} }
match eval_block(&engine_state, &mut stack, block, PipelineData::new()) { match eval_block(&engine_state, &mut stack, &block, PipelineData::new()) {
Ok(v) => v, Ok(v) => v.into_value(),
Err(error) => Value::Error { error }.into_pipeline_data(), Err(error) => Value::Error { error },
} }
}) })
.flatten()
.into_pipeline_data()), .into_pipeline_data()),
PipelineData::Value(Value::List { vals: val, .. }) => Ok(val PipelineData::Value(Value::List { vals: val, .. }) => Ok(val
.into_iter() .into_iter()
.enumerate() .enumerate()
.map(move |(idx, x)| { .map(move |(idx, x)| {
let block = engine_state.get_block(block_id);
let mut stack = stack.clone();
if let Some(var) = block.signature.get_positional(0) { if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id { if let Some(var_id) = &var.var_id {
if numbered { if numbered {
@ -138,20 +129,15 @@ impl Command for Each {
} }
} }
match eval_block(&engine_state, &mut stack, block, PipelineData::new()) { match eval_block(&engine_state, &mut stack, &block, PipelineData::new()) {
Ok(v) => v, Ok(v) => v.into_value(),
Err(error) => Value::Error { error }.into_pipeline_data(), Err(error) => Value::Error { error },
} }
}) })
.flatten()
.into_pipeline_data()), .into_pipeline_data()),
PipelineData::Stream(stream) => Ok(stream PipelineData::Stream(stream) => Ok(stream
.enumerate() .enumerate()
.map(move |(idx, x)| { .map(move |(idx, x)| {
let block = engine_state.get_block(block_id);
let mut stack = stack.clone();
if let Some(var) = block.signature.get_positional(0) { if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id { if let Some(var_id) = &var.var_id {
if numbered { if numbered {
@ -175,12 +161,11 @@ impl Command for Each {
} }
} }
match eval_block(&engine_state, &mut stack, block, PipelineData::new()) { match eval_block(&engine_state, &mut stack, &block, PipelineData::new()) {
Ok(v) => v, Ok(v) => v.into_value(),
Err(error) => Value::Error { error }.into_pipeline_data(), Err(error) => Value::Error { error },
} }
}) })
.flatten()
.into_pipeline_data()), .into_pipeline_data()),
PipelineData::Value(Value::Record { cols, vals, .. }) => { PipelineData::Value(Value::Record { cols, vals, .. }) => {
let mut output_cols = vec![]; let mut output_cols = vec![];