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JT 2021-10-25 17:24:10 +13:00
parent b6d269e90a
commit 397a31e69c
8 changed files with 241 additions and 195 deletions
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2
crates/nu-command/src/core_commands/do_.rs
View file

@ -39,7 +39,7 @@ impl Command for Do {
let block = context.engine_state.get_block(block_id);
let state = context.enter_scope();
let mut state = context.enter_scope();
let params: Vec<_> = block
.signature

29
crates/nu-command/src/core_commands/for_.rs
View file

@ -62,7 +62,7 @@ impl Command for For {
.map(move |x| {
let block = context.engine_state.get_block(block);
let state = context.enter_scope();
let mut state = context.enter_scope();
state.add_var(var_id, x);
@ -75,6 +75,33 @@ impl Command for For {
}
})
.into_pipeline_data()),
Value::Range { val, span } => Ok(val
.into_range_iter()?
.map(move |x| {
let block = context.engine_state.get_block(block);
let mut state = context.enter_scope();
state.add_var(var_id, x);
match eval_block(&state, block, PipelineData::new()) {
Ok(value) => Value::List {
vals: value.collect(),
span,
},
Err(error) => Value::Error { error },
}
})
.into_pipeline_data()),
x => {
let block = context.engine_state.get_block(block);
let mut state = context.enter_scope();
state.add_var(var_id, x);
eval_block(&state, block, PipelineData::new())
}
}
}

330
crates/nu-command/src/filters/each.rs
View file

@ -1,7 +1,7 @@
use nu_engine::eval_block;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{Example, PipelineData, Signature, Span, SyntaxShape, Value};
use nu_protocol::{Example, IntoPipelineData, PipelineData, Signature, Span, SyntaxShape, Value};
#[derive(Clone)]
pub struct Each;
@ -65,186 +65,180 @@ impl Command for Each {
let context = context.clone();
let span = call.head;
// match input {
// Value::Range { val, .. } => Ok(val
// .into_range_iter()?
// .enumerate()
// .map(move |(idx, x)| {
// let block = context.engine_state.get_block(block_id);
match input {
PipelineData::Value(Value::Range { val, .. }) => Ok(val
.into_range_iter()?
.enumerate()
.map(move |(idx, x)| {
let block = context.engine_state.get_block(block_id);
// let state = context.enter_scope();
let state = context.enter_scope();
// if let Some(var) = block.signature.get_positional(0) {
// if let Some(var_id) = &var.var_id {
// if numbered {
// state.add_var(
// *var_id,
// Value::Record {
// cols: vec!["index".into(), "item".into()],
// vals: vec![
// Value::Int {
// val: idx as i64,
// span,
// },
// x,
// ],
// span,
// },
// );
// } else {
// state.add_var(*var_id, x);
// }
// }
// }
if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id {
if numbered {
state.add_var(
*var_id,
Value::Record {
cols: vec!["index".into(), "item".into()],
vals: vec![
Value::Int {
val: idx as i64,
span,
},
x,
],
span,
},
);
} else {
state.add_var(*var_id, x);
}
}
}
// match eval_block(&state, block, Value::nothing()) {
// Ok(v) => v,
// Err(error) => Value::Error { error },
// }
// })
// .into_pipeline_data()),
// Value::List { vals: val, .. } => Ok(Value::Stream {
// stream: val
// .into_iter()
// .enumerate()
// .map(move |(idx, x)| {
// let engine_state = context.engine_state.borrow();
// let block = engine_state.get_block(block_id);
match eval_block(&state, block, PipelineData::new()) {
Ok(v) => v,
Err(error) => Value::Error { error }.into_pipeline_data(),
}
})
.flatten()
.into_pipeline_data()),
PipelineData::Value(Value::List { vals: val, .. }) => Ok(val
.into_iter()
.enumerate()
.map(move |(idx, x)| {
let block = context.engine_state.get_block(block_id);
// let state = context.enter_scope();
// if let Some(var) = block.signature.get_positional(0) {
// if let Some(var_id) = &var.var_id {
// if numbered {
// state.add_var(
// *var_id,
// Value::Record {
// cols: vec!["index".into(), "item".into()],
// vals: vec![
// Value::Int {
// val: idx as i64,
// span,
// },
// x,
// ],
// span,
// },
// );
// } else {
// state.add_var(*var_id, x);
// }
// }
// }
let state = context.enter_scope();
if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id {
if numbered {
state.add_var(
*var_id,
Value::Record {
cols: vec!["index".into(), "item".into()],
vals: vec![
Value::Int {
val: idx as i64,
span,
},
x,
],
span,
},
);
} else {
state.add_var(*var_id, x);
}
}
}
// match eval_block(&state, block, Value::nothing()) {
// Ok(v) => v,
// Err(error) => Value::Error { error },
// }
// })
// .into_value_stream(),
// span: call.head,
// }),
// Value::Stream { stream, .. } => Ok(Value::Stream {
// stream: stream
// .enumerate()
// .map(move |(idx, x)| {
// let engine_state = context.engine_state.borrow();
// let block = engine_state.get_block(block_id);
match eval_block(&state, block, PipelineData::new()) {
Ok(v) => v,
Err(error) => Value::Error { error }.into_pipeline_data(),
}
})
.flatten()
.into_pipeline_data()),
PipelineData::Stream(stream) => Ok(stream
.enumerate()
.map(move |(idx, x)| {
let block = context.engine_state.get_block(block_id);
// let state = context.enter_scope();
// if let Some(var) = block.signature.get_positional(0) {
// if let Some(var_id) = &var.var_id {
// if numbered {
// state.add_var(
// *var_id,
// Value::Record {
// cols: vec!["index".into(), "item".into()],
// vals: vec![
// Value::Int {
// val: idx as i64,
// span,
// },
// x,
// ],
// span,
// },
// );
// } else {
// state.add_var(*var_id, x);
// }
// }
// }
let state = context.enter_scope();
if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id {
if numbered {
state.add_var(
*var_id,
Value::Record {
cols: vec!["index".into(), "item".into()],
vals: vec![
Value::Int {
val: idx as i64,
span,
},
x,
],
span,
},
);
} else {
state.add_var(*var_id, x);
}
}
}
// match eval_block(&state, block, Value::nothing()) {
// Ok(v) => v,
// Err(error) => Value::Error { error },
// }
// })
// .into_value_stream(),
// span: call.head,
// }),
// Value::Record { cols, vals, .. } => {
// let mut output_cols = vec![];
// let mut output_vals = vec![];
match eval_block(&state, block, PipelineData::new()) {
Ok(v) => v,
Err(error) => Value::Error { error }.into_pipeline_data(),
}
})
.flatten()
.into_pipeline_data()),
PipelineData::Value(Value::Record { cols, vals, .. }) => {
let mut output_cols = vec![];
let mut output_vals = vec![];
// for (col, val) in cols.into_iter().zip(vals.into_iter()) {
// let engine_state = context.engine_state.borrow();
// let block = engine_state.get_block(block_id);
for (col, val) in cols.into_iter().zip(vals.into_iter()) {
let block = context.engine_state.get_block(block_id);
// let state = context.enter_scope();
// if let Some(var) = block.signature.get_positional(0) {
// if let Some(var_id) = &var.var_id {
// state.add_var(
// *var_id,
// Value::Record {
// cols: vec!["column".into(), "value".into()],
// vals: vec![
// Value::String {
// val: col.clone(),
// span: call.head,
// },
// val,
// ],
// span: call.head,
// },
// );
// }
// }
let state = context.enter_scope();
if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id {
state.add_var(
*var_id,
Value::Record {
cols: vec!["column".into(), "value".into()],
vals: vec![
Value::String {
val: col.clone(),
span: call.head,
},
val,
],
span: call.head,
},
);
}
}
// match eval_block(&state, block, Value::nothing())? {
// Value::Record {
// mut cols, mut vals, ..
// } => {
// // TODO check that the lengths match when traversing record
// output_cols.append(&mut cols);
// output_vals.append(&mut vals);
// }
// x => {
// output_cols.push(col);
// output_vals.push(x);
// }
// }
// }
match eval_block(&state, block, PipelineData::new())? {
PipelineData::Value(Value::Record {
mut cols, mut vals, ..
}) => {
// TODO check that the lengths match when traversing record
output_cols.append(&mut cols);
output_vals.append(&mut vals);
}
x => {
output_cols.push(col);
output_vals.push(x.into_value());
}
}
}
// Ok(Value::Record {
// cols: output_cols,
// vals: output_vals,
// span: call.head,
// })
// }
// x => {
// let engine_state = context.engine_state.borrow();
// let block = engine_state.get_block(block_id);
Ok(Value::Record {
cols: output_cols,
vals: output_vals,
span: call.head,
}
.into_pipeline_data())
}
PipelineData::Value(x) => {
let block = context.engine_state.get_block(block_id);
// let state = context.enter_scope();
// if let Some(var) = block.signature.get_positional(0) {
// if let Some(var_id) = &var.var_id {
// state.add_var(*var_id, x);
// }
// }
let state = context.enter_scope();
if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id {
state.add_var(*var_id, x);
}
}
// eval_block(&state, block, Value::nothing())
// }
// }
eval_block(&state, block, PipelineData::new())
}
}
}
}

6
crates/nu-command/src/filters/get.rs
View file

@ -1,7 +1,7 @@
use nu_engine::CallExt;
use nu_protocol::ast::{Call, CellPath};
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
use nu_protocol::{IntoPipelineData, PipelineData, Signature, SyntaxShape, Value};
#[derive(Clone)]
pub struct Get;
@ -31,6 +31,8 @@ impl Command for Get {
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let cell_path: CellPath = call.req(context, 0)?;
input.follow_cell_path(&cell_path.members)
input
.follow_cell_path(&cell_path.members)
.map(|x| x.into_pipeline_data())
}
}

2
crates/nu-command/src/formats/from/json.rs
View file

@ -72,7 +72,7 @@ impl Command for FromJson {
call: &Call,
input: PipelineData,
) -> Result<nu_protocol::PipelineData, ShellError> {
let span = input.span()?;
let span = call.head;
let mut string_input = input.collect_string();
string_input.push('\n');

19
crates/nu-command/src/viewers/griddle.rs
View file

@ -3,7 +3,7 @@ use nu_engine::CallExt;
use nu_protocol::{
ast::{Call, PathMember},
engine::{Command, EvaluationContext},
Signature, Span, SyntaxShape, Value,
IntoPipelineData, PipelineData, Signature, Span, SyntaxShape, Value,
};
use nu_term_grid::grid::{Alignment, Cell, Direction, Filling, Grid, GridOptions};
use terminal_size::{Height, Width};
@ -50,14 +50,14 @@ prints out the list properly."#
&self,
context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let width_param: Option<String> = call.get_flag(context, "width")?;
let color_param: bool = call.has_flag("color");
let separator_param: Option<String> = call.get_flag(context, "separator")?;
match input {
Value::List { vals, .. } => {
PipelineData::Value(Value::List { vals, .. }) => {
// dbg!("value::list");
let data = convert_to_list2(vals);
if let Some(items) = data {
@ -69,10 +69,10 @@ prints out the list properly."#
separator_param,
))
} else {
Ok(Value::Nothing { span: call.head })
Ok(PipelineData::new())
}
}
Value::Stream { stream, .. } => {
PipelineData::Stream(stream) => {
// dbg!("value::stream");
let data = convert_to_list2(stream);
if let Some(items) = data {
@ -85,10 +85,10 @@ prints out the list properly."#
))
} else {
// dbg!(data);
Ok(Value::Nothing { span: call.head })
Ok(PipelineData::new())
}
}
Value::Record { cols, vals, .. } => {
PipelineData::Value(Value::Record { cols, vals, .. }) => {
// dbg!("value::record");
let mut items = vec![];
@ -119,7 +119,7 @@ fn create_grid_output2(
width_param: Option<String>,
color_param: bool,
separator_param: Option<String>,
) -> Value {
) -> PipelineData {
let ls_colors = LsColors::from_env().unwrap_or_default();
let cols = if let Some(col) = width_param {
col.parse::<u16>().unwrap_or(80)
@ -167,6 +167,7 @@ fn create_grid_output2(
span: call.head,
}
}
.into_pipeline_data()
}
fn convert_to_list2(iter: impl IntoIterator<Item = Value>) -> Option<Vec<(usize, String, String)>> {

27
crates/nu-command/src/viewers/table.rs
View file

@ -1,6 +1,6 @@
use nu_protocol::ast::{Call, PathMember};
use nu_protocol::engine::{Command, EvaluationContext};
use nu_protocol::{ShellError, Signature, Span, Value};
use nu_protocol::{IntoPipelineData, PipelineData, ShellError, Signature, Span, Value};
use nu_table::StyledString;
use std::collections::HashMap;
use terminal_size::{Height, Width};
@ -26,8 +26,8 @@ impl Command for Table {
&self,
_context: &EvaluationContext,
call: &Call,
input: Value,
) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let term_width = if let Some((Width(w), Height(_h))) = terminal_size::terminal_size() {
w as usize
} else {
@ -35,7 +35,7 @@ impl Command for Table {
};
match input {
Value::List { vals, .. } => {
PipelineData::Value(Value::List { vals, .. }) => {
let table = convert_to_table(vals)?;
if let Some(table) = table {
@ -44,12 +44,13 @@ impl Command for Table {
Ok(Value::String {
val: result,
span: call.head,
})
}
.into_pipeline_data())
} else {
Ok(Value::Nothing { span: call.head })
Ok(PipelineData::new())
}
}
Value::Stream { stream, .. } => {
PipelineData::Stream(stream) => {
let table = convert_to_table(stream)?;
if let Some(table) = table {
@ -58,12 +59,13 @@ impl Command for Table {
Ok(Value::String {
val: result,
span: call.head,
})
}
.into_pipeline_data())
} else {
Ok(Value::Nothing { span: call.head })
Ok(PipelineData::new())
}
}
Value::Record { cols, vals, .. } => {
PipelineData::Value(Value::Record { cols, vals, .. }) => {
let mut output = vec![];
for (c, v) in cols.into_iter().zip(vals.into_iter()) {
@ -90,9 +92,10 @@ impl Command for Table {
Ok(Value::String {
val: result,
span: call.head,
})
}
.into_pipeline_data())
}
Value::Error { error } => Err(error),
PipelineData::Value(Value::Error { error }) => Err(error),
x => Ok(x),
}
}

21
crates/nu-protocol/src/pipeline_data.rs
View file

@ -1,4 +1,4 @@
use crate::{Span, Value, ValueStream};
use crate::{ast::PathMember, ShellError, Span, Value, ValueStream};
pub enum PipelineData {
Value(Value),
@ -19,6 +19,25 @@ impl PipelineData {
},
}
}
pub fn collect_string(self) -> String {
match self {
PipelineData::Value(v) => v.collect_string(),
PipelineData::Stream(s) => s.collect_string(),
}
}
pub fn follow_cell_path(self, cell_path: &[PathMember]) -> Result<Value, ShellError> {
match self {
// FIXME: there are probably better ways of doing this
PipelineData::Stream(stream) => Value::List {
vals: stream.collect(),
span: Span::unknown(),
}
.follow_cell_path(cell_path),
PipelineData::Value(v) => v.follow_cell_path(cell_path),
}
}
}
impl Default for PipelineData {