flowcode_core/
ast.rs

1// flowcode-core/src/ast.rs
2// Central typed AST definitions shared across parser, executor and commands.
3// Currently only `ArgValue` is defined. More data-structures (e.g. full
4// expression trees) can be added here in the future.
5
6#![allow(clippy::upper_case_acronyms)]
7
8#[cfg(feature = "typed-args")]
9use chrono::NaiveDate;
10use crate::types::TypedValue;
11
12/// A single CLI argument or value that has been type-classified by the parser.
13#[derive(Debug, Clone, PartialEq)]
14pub enum ArgValue {
15    /// Tabular data, typically from CSV or database results.
16    Table(Vec<Vec<TypedValue>>), // rows ⟶ columns already typed
17    /// Numerical value, either integer or floating-point.
18    Number(f64),
19    /// Textual data.
20    String(String),
21    /// Boolean value.
22    Bool(bool),
23    /// Absence of a value.
24    Null,
25    /// ISO-8601 calendar date `YYYY-MM-DD` (only when the `typed-args` feature
26    /// is enabled; otherwise this variant is absent to avoid pulling chrono).
27    #[cfg(feature = "typed-args")]
28    Date(NaiveDate),
29}
30
31impl core::fmt::Display for ArgValue {
32    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
33        match self {
34            ArgValue::Table(_) => write!(f, "[Table]"),
35            ArgValue::Number(n) => write!(f, "{}", n),
36            ArgValue::String(s) => write!(f, "{}", s),
37            ArgValue::Bool(b) => write!(f, "{}", b),
38            ArgValue::Null => write!(f, "null"),
39            #[cfg(feature = "typed-args")]
40            ArgValue::Date(d) => write!(f, "{}", d),
41        }
42    }
43}
44
45impl ArgValue {
46    /// Attempt to extract a numeric value. Returns `None` for non-numeric variants.
47    pub fn as_number(&self) -> Option<f64> {
48        match self {
49            ArgValue::Number(n) => Some(*n),
50            _ => None,
51        }
52    }
53}
flowcode_core/ast.rs

flowcode_core/
ast.rs
