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path: root/patio-to-cranelift/src/patio/compilation_unit.rs
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use crate::patio::{
    instructions::PatioInstruction,
    types::{PatioDataLayout, PatioType},
    values::PatioDataValue,
};

pub(crate) struct PatioCompilationUnit {
    pub(crate) elements: Vec<PatioCompilationUnitElement>,
}

pub(crate) enum PatioCompilationUnitElement {
    DataElementImmutableDefinition(PatioDataElementImmutableDefinition),
    DataElementMutableDefinition(PatioDataElementMutableDefinition),
    DataElementMutableDeclaration(PatioDataElementMutableDeclaration),
    FunctionDeclaration(PatioFunctionDeclaration),
    FunctionDefinition(PatioFunctionDefinition),
}

pub(crate) struct PatioDataElementImmutableDefinition {
    pub(crate) name: String,
    pub(crate) visibility: PatioVisibility,
    pub(crate) value: PatioDataValue,
}

pub(crate) struct PatioDataElementMutableDefinition {
    pub(crate) name: String,
    pub(crate) visibility: PatioVisibility,
    pub(crate) initial_value: PatioDataValue,
}

pub(crate) struct PatioDataElementMutableDeclaration {
    pub(crate) name: String,
    pub(crate) layout: PatioDataLayout,
}

pub(crate) struct PatioFunctionDeclaration {
    pub(crate) name: String,
    pub(crate) params: Vec<PatioLocal>,
    pub(crate) return_type: PatioType,
}

pub(crate) struct PatioFunctionDefinition {
    pub(crate) name: String,
    pub(crate) visibility: PatioVisibility,
    pub(crate) locals: Vec<PatioLocal>,
    pub(crate) return_type: PatioType,
    pub(crate) body: Vec<PatioInstruction>,
}

pub(crate) struct PatioLocal {
    pub(crate) name: String,
    pub(crate) type_: PatioType,
    pub(crate) local_type: PatioLocalType,
}

#[derive(Eq, PartialEq)]
pub(crate) enum PatioLocalType {
    Param,
    Val,
    Var,
}

#[derive(Clone, Copy)]
pub(crate) enum PatioVisibility {
    Public,
    Private,
}