espforge-hardware 0.6.0

a scaffolding++ tool for creating esp32 no_std esphal without the hassle
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//! `# devices` lowering.
//!
//! Nothing here is buildable yet: any `# devices` entry is refused with a
//! clear "not supported yet". This module owns that guard so `lib.rs` stays a
//! thin orchestrator; when the first device lands, its lowering goes here and
//! the graph gives it the component id it names.

use std::collections::HashMap;

use espf::context::ParsedNode;
use espf::diag::EspfError;

/// Reject any `# devices` entry: `build` cannot generate code for devices
/// yet (only GPIO/LED/button, I2C/SPI/UART bus components, and `<wifi>`).
pub fn reject_if_present(
    sections: &HashMap<String, Vec<ParsedNode>>,
) -> Result<(), Vec<EspfError>> {
    if sections.get("devices").is_some_and(|v| !v.is_empty()) {
        return Err(vec![EspfError::at_span(
            0..0,
            "unsupported devices",
            "`# devices` is not supported by `build` yet (only <gpio> peripherals with <led> and <button> components, <i2c> peripherals with <i2c_component> components, <spi> peripherals with <spi_component> components, and the <wifi> service)",
        )]);
    }
    Ok(())
}