mirror of
https://github.com/nushell/nushell.git
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94 lines
3.5 KiB
Rust
94 lines
3.5 KiB
Rust
use crate::{
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eval_block, eval_block_with_early_return, eval_expression, eval_expression_with_input,
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eval_ir_block, eval_subexpression,
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};
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use nu_protocol::{
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PipelineData, ShellError, Value,
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ast::{Block, Expression},
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debugger::{WithDebug, WithoutDebug},
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engine::{EngineState, Stack},
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};
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/// Type of eval_block() function
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pub type EvalBlockFn =
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fn(&EngineState, &mut Stack, &Block, PipelineData) -> Result<PipelineData, ShellError>;
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/// Type of eval_ir_block() function
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pub type EvalIrBlockFn =
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fn(&EngineState, &mut Stack, &Block, PipelineData) -> Result<PipelineData, ShellError>;
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/// Type of eval_block_with_early_return() function
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pub type EvalBlockWithEarlyReturnFn =
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fn(&EngineState, &mut Stack, &Block, PipelineData) -> Result<PipelineData, ShellError>;
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/// Type of eval_expression() function
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pub type EvalExpressionFn = fn(&EngineState, &mut Stack, &Expression) -> Result<Value, ShellError>;
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/// Type of eval_expression_with_input() function
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pub type EvalExpressionWithInputFn =
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fn(&EngineState, &mut Stack, &Expression, PipelineData) -> Result<PipelineData, ShellError>;
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/// Type of eval_subexpression() function
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pub type EvalSubexpressionFn =
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fn(&EngineState, &mut Stack, &Block, PipelineData) -> Result<PipelineData, ShellError>;
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/// Helper function to fetch `eval_block()` with the correct type parameter based on whether
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/// engine_state is configured with or without a debugger.
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pub fn get_eval_block(engine_state: &EngineState) -> EvalBlockFn {
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if engine_state.is_debugging() {
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eval_block::<WithDebug>
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} else {
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eval_block::<WithoutDebug>
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}
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}
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/// Helper function to fetch `eval_ir_block()` with the correct type parameter based on whether
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/// engine_state is configured with or without a debugger.
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pub fn get_eval_ir_block(engine_state: &EngineState) -> EvalIrBlockFn {
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if engine_state.is_debugging() {
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eval_ir_block::<WithDebug>
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} else {
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eval_ir_block::<WithoutDebug>
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}
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}
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/// Helper function to fetch `eval_block_with_early_return()` with the correct type parameter based
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/// on whether engine_state is configured with or without a debugger.
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pub fn get_eval_block_with_early_return(engine_state: &EngineState) -> EvalBlockWithEarlyReturnFn {
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if engine_state.is_debugging() {
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eval_block_with_early_return::<WithDebug>
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} else {
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eval_block_with_early_return::<WithoutDebug>
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}
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}
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/// Helper function to fetch `eval_expression()` with the correct type parameter based on whether
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/// engine_state is configured with or without a debugger.
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pub fn get_eval_expression(engine_state: &EngineState) -> EvalExpressionFn {
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if engine_state.is_debugging() {
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eval_expression::<WithDebug>
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} else {
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eval_expression::<WithoutDebug>
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}
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}
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/// Helper function to fetch `eval_expression_with_input()` with the correct type parameter based
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/// on whether engine_state is configured with or without a debugger.
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pub fn get_eval_expression_with_input(engine_state: &EngineState) -> EvalExpressionWithInputFn {
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if engine_state.is_debugging() {
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eval_expression_with_input::<WithDebug>
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} else {
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eval_expression_with_input::<WithoutDebug>
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}
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}
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/// Helper function to fetch `eval_subexpression()` with the correct type parameter based on whether
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/// engine_state is configured with or without a debugger.
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pub fn get_eval_subexpression(engine_state: &EngineState) -> EvalSubexpressionFn {
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if engine_state.is_debugging() {
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eval_subexpression::<WithDebug>
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} else {
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eval_subexpression::<WithoutDebug>
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}
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}
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