forked from extern/nushell
87 lines
2.0 KiB
Rust
87 lines
2.0 KiB
Rust
use serde::{Deserialize, Serialize};
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use super::Expression;
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use crate::{DeclId, Span, Spanned};
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub struct Call {
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/// identifier of the declaration to call
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pub decl_id: DeclId,
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pub head: Span,
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pub positional: Vec<Expression>,
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pub named: Vec<(Spanned<String>, Option<Expression>)>,
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pub redirect_stdout: bool,
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pub redirect_stderr: bool,
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}
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impl Call {
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pub fn new(head: Span) -> Call {
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Self {
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decl_id: 0,
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head,
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positional: vec![],
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named: vec![],
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redirect_stdout: true,
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redirect_stderr: false,
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}
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}
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pub fn has_flag(&self, flag_name: &str) -> bool {
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for name in &self.named {
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if flag_name == name.0.item {
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return true;
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}
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}
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false
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}
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pub fn get_flag_expr(&self, flag_name: &str) -> Option<Expression> {
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for name in &self.named {
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if flag_name == name.0.item {
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return name.1.clone();
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}
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}
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None
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}
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pub fn get_named_arg(&self, flag_name: &str) -> Option<Spanned<String>> {
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for name in &self.named {
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if flag_name == name.0.item {
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return Some(name.0.clone());
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}
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}
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None
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}
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pub fn nth(&self, pos: usize) -> Option<Expression> {
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self.positional.get(pos).cloned()
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}
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pub fn span(&self) -> Span {
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let mut span = self.head;
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for positional in &self.positional {
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if positional.span.end > span.end {
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span.end = positional.span.end;
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}
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}
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for (named, val) in &self.named {
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if named.span.end > span.end {
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span.end = named.span.end;
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}
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if let Some(val) = &val {
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if val.span.end > span.end {
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span.end = val.span.end;
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}
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}
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}
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span
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}
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}
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