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Fix match codegen

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This commit is contained in:
Shunsuke Shibayama 2022-11-16 18:59:38 +09:00
parent d63b018371
commit 771be313a9
7 changed files with 173 additions and 80 deletions
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30
compiler/erg_compiler/optimize.rs
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@ -1,19 +1,41 @@
use crate::artifact::CompleteArtifact;
use crate::error::CompileWarnings;
use crate::hir::HIR;
use crate::hir::*;
// use crate::erg_common::traits::Stream;
#[derive(Debug)]
pub struct HIROptimizer {}
impl HIROptimizer {
pub fn fold_constants(&mut self, mut _hir: HIR) -> HIR {
pub fn optimize(hir: HIR) -> CompleteArtifact {
let mut optimizer = HIROptimizer {};
optimizer.eliminate_dead_code(hir)
}
fn _fold_constants(&mut self, mut _hir: HIR) -> HIR {
todo!()
}
pub fn eliminate_unused_variables(&mut self, mut _hir: HIR) -> (HIR, CompileWarnings) {
fn _eliminate_unused_variables(&mut self, mut _hir: HIR) -> (HIR, CompileWarnings) {
todo!()
}
pub fn eliminate_dead_code(&mut self, mut _hir: HIR) -> (HIR, CompileWarnings) {
fn eliminate_dead_code(&mut self, hir: HIR) -> CompleteArtifact {
CompleteArtifact::new(
self.eliminate_discarded_variables(hir),
CompileWarnings::empty(),
)
}
/// ```erg
/// _ = 1
/// (a, _) = (1, True)
/// ```
/// ↓
/// ```erg
/// a = 1
/// ```
fn eliminate_discarded_variables(&mut self, mut _hir: HIR) -> HIR {
todo!()
}
}