use std::fmt;
use erg_common::config::ErgConfig;
use erg_common::traits::{Runnable, Stream};
use crate::context::ModuleContext;
use crate::error::CompileErrors;
use crate::hir::HIR;
use crate::module::SharedCompilerResource;
#[derive(Debug)]
pub struct CompleteArtifact<Inner = HIR> {
pub object: Inner,
pub warns: CompileErrors,
}
impl<Inner> CompleteArtifact<Inner> {
pub const fn new(object: Inner, warns: CompileErrors) -> Self {
Self { object, warns }
}
}
#[derive(Debug)]
pub struct IncompleteArtifact<Inner = HIR> {
pub object: Option<Inner>,
pub errors: CompileErrors,
pub warns: CompileErrors,
}
impl fmt::Display for IncompleteArtifact {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
if !self.warns.is_empty() {
writeln!(f, "{}", self.warns)?;
}
write!(f, "{}", self.errors)
}
}
impl std::error::Error for IncompleteArtifact {}
impl From<CompleteArtifact> for IncompleteArtifact {
fn from(artifact: CompleteArtifact) -> Self {
Self {
object: Some(artifact.object),
errors: CompileErrors::empty(),
warns: artifact.warns,
}
}
}
impl<Inner> IncompleteArtifact<Inner> {
pub const fn new(object: Option<Inner>, errors: CompileErrors, warns: CompileErrors) -> Self {
Self {
object,
errors,
warns,
}
}
}
#[derive(Debug)]
pub struct ErrorArtifact {
pub errors: CompileErrors,
pub warns: CompileErrors,
}
impl fmt::Display for ErrorArtifact {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
if !self.warns.is_empty() {
writeln!(f, "{}", self.warns)?;
}
write!(f, "{}", self.errors)
}
}
impl std::error::Error for ErrorArtifact {}
impl From<IncompleteArtifact> for ErrorArtifact {
fn from(artifact: IncompleteArtifact) -> Self {
Self {
errors: artifact.errors,
warns: artifact.warns,
}
}
}
impl From<CompileErrors> for ErrorArtifact {
fn from(errors: CompileErrors) -> Self {
Self {
errors,
warns: CompileErrors::empty(),
}
}
}
impl ErrorArtifact {
pub const fn new(errors: CompileErrors, warns: CompileErrors) -> Self {
Self { errors, warns }
}
}
pub trait Buildable<T = HIR> {
fn inherit(cfg: ErgConfig, shared: SharedCompilerResource) -> Self
where
Self: Sized;
fn build(
&mut self,
src: String,
mode: &str,
) -> Result<CompleteArtifact<T>, IncompleteArtifact<T>>;
fn pop_context(&mut self) -> Option<ModuleContext>;
fn get_context(&self) -> Option<&ModuleContext>;
}
pub trait BuildRunnable<T = HIR>: Buildable<T> + Runnable + 'static {
fn build_module(&mut self) -> Result<CompleteArtifact<T>, IncompleteArtifact<T>> {
let src = self.cfg_mut().input.read();
self.build(src, "exec")
}
}