aeri 0.2.2

Aeri is the Cardano smart contract language created by Trevor Knott at Knott Dynamics, with its official compiler and CLI.
Documentation 
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use crate::{diagnostic::Result, ir::Program};

pub const PREVIEW_COMPILER_TARGET: &str = "aeri-text-ir";
pub const PREVIEW_CARDANO_DEPLOYABLE: bool = false;
pub const PREVIEW_BLUEPRINT_FILE: &str = "blueprint.preview.json";
pub const PREVIEW_SCRIPT_EXTENSION: &str = "aeri.ir";
pub const UPLC_COMPILER_TARGET: &str = "cardano-uplc-cbor";
pub const UPLC_CARDANO_DEPLOYABLE: bool = true;
pub const UPLC_BLUEPRINT_FILE: &str = "blueprint.uplc.json";
pub const UPLC_SCRIPT_EXTENSION: &str = "plutus.json";
pub const UPLC_PLUTUS_VERSION: &str = "PlutusV2";

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Target {
    Preview,
    Uplc,
}

impl Target {
    pub fn name(self) -> &'static str {
        match self {
            Self::Preview => "preview",
            Self::Uplc => "uplc",
        }
    }

    pub fn implemented(self) -> bool {
        true
    }

    pub fn ensure_supported(self, label: &str) -> Result<()> {
        let _ = label;
        Ok(())
    }

    pub fn compiler_target(self) -> Option<&'static str> {
        match self {
            Self::Preview => Some(PREVIEW_COMPILER_TARGET),
            Self::Uplc => Some(UPLC_COMPILER_TARGET),
        }
    }

    pub fn cardano_deployable(self) -> Option<bool> {
        match self {
            Self::Preview => Some(PREVIEW_CARDANO_DEPLOYABLE),
            Self::Uplc => Some(UPLC_CARDANO_DEPLOYABLE),
        }
    }
}

pub fn render_preview_program(program: &Program) -> String {
    program.render()
}

pub fn unsupported_uplc_message() -> &'static str {
    "target 'uplc' only supports validators that lower to the current serializable UPLC subset. Unsupported features still report explicit blockers."
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn preview_target_declares_non_deployable_text_ir() {
        assert_eq!(Target::Preview.name(), "preview");
        assert!(Target::Preview.implemented());
        assert_eq!(Target::Preview.compiler_target(), Some("aeri-text-ir"));
        assert_eq!(Target::Preview.cardano_deployable(), Some(false));
    }

    #[test]
    fn uplc_target_has_no_fake_metadata() {
        assert_eq!(Target::Uplc.name(), "uplc");
        assert!(Target::Uplc.implemented());
        assert_eq!(Target::Uplc.compiler_target(), Some("cardano-uplc-cbor"));
        assert_eq!(Target::Uplc.cardano_deployable(), Some(true));
    }
}