summaryrefslogtreecommitdiff
path: root/dhall/src
diff options
context:
space:
mode:
Diffstat (limited to 'dhall/src')
-rw-r--r--dhall/src/semantics/resolve/cache.rs16
-rw-r--r--dhall/src/semantics/resolve/env.rs13
-rw-r--r--dhall/src/semantics/resolve/resolve.rs30
3 files changed, 26 insertions, 33 deletions
diff --git a/dhall/src/semantics/resolve/cache.rs b/dhall/src/semantics/resolve/cache.rs
index 2abe7a9..7763f18 100644
--- a/dhall/src/semantics/resolve/cache.rs
+++ b/dhall/src/semantics/resolve/cache.rs
@@ -4,8 +4,8 @@ use std::path::{Path, PathBuf};
use crate::error::{CacheError, Error};
use crate::parse::parse_binary;
-use crate::semantics::TypedHir;
use crate::syntax::{binary, Hash};
+use crate::Typed;
use std::ffi::OsStr;
use std::fs::File;
@@ -52,7 +52,7 @@ impl Cache {
self.cache_dir.join(filename_for_hash(hash))
}
- pub fn get(&self, hash: &Hash) -> Result<TypedHir, Error> {
+ pub fn get(&self, hash: &Hash) -> Result<Typed, Error> {
let path = self.entry_path(hash);
let res = read_cache_file(&path, hash);
if let Err(_) = res {
@@ -64,14 +64,14 @@ impl Cache {
res
}
- pub fn insert(&self, hash: &Hash, expr: &TypedHir) -> Result<(), Error> {
+ pub fn insert(&self, hash: &Hash, expr: &Typed) -> Result<(), Error> {
let path = self.entry_path(hash);
write_cache_file(&path, expr)
}
}
/// Read a file from the cache, also checking that its hash is valid.
-fn read_cache_file(path: &Path, hash: &Hash) -> Result<TypedHir, Error> {
+fn read_cache_file(path: &Path, hash: &Hash) -> Result<Typed, Error> {
let data = crate::utils::read_binary_file(path)?;
match hash {
@@ -83,14 +83,12 @@ fn read_cache_file(path: &Path, hash: &Hash) -> Result<TypedHir, Error> {
}
}
- let crate::Typed { hir, ty } =
- parse_binary(&data)?.skip_resolve()?.typecheck()?;
- Ok((hir, ty))
+ Ok(parse_binary(&data)?.skip_resolve()?.typecheck()?)
}
/// Write a file to the cache.
-fn write_cache_file(path: &Path, expr: &TypedHir) -> Result<(), Error> {
- let data = binary::encode(&expr.0.to_expr_noopts())?;
+fn write_cache_file(path: &Path, expr: &Typed) -> Result<(), Error> {
+ let data = binary::encode(&expr.to_expr())?;
File::create(path)?.write_all(data.as_slice())?;
Ok(())
}
diff --git a/dhall/src/semantics/resolve/env.rs b/dhall/src/semantics/resolve/env.rs
index 06e27a5..a24c274 100644
--- a/dhall/src/semantics/resolve/env.rs
+++ b/dhall/src/semantics/resolve/env.rs
@@ -1,8 +1,9 @@
use std::collections::HashMap;
use crate::error::{Error, ImportError};
-use crate::semantics::{AlphaVar, Cache, ImportLocation, TypedHir, VarEnv};
+use crate::semantics::{AlphaVar, Cache, ImportLocation, VarEnv};
use crate::syntax::{Hash, Label, V};
+use crate::Typed;
/// Environment for resolving names.
#[derive(Debug, Clone, Default)]
@@ -10,7 +11,7 @@ pub struct NameEnv {
names: Vec<Label>,
}
-pub type MemCache = HashMap<ImportLocation, TypedHir>;
+pub type MemCache = HashMap<ImportLocation, Typed>;
pub type CyclesStack = Vec<ImportLocation>;
/// Environment for resolving imports
@@ -78,7 +79,7 @@ impl ImportEnv {
&mut self,
location: &ImportLocation,
hash: Option<&Hash>,
- ) -> Option<TypedHir> {
+ ) -> Option<Typed> {
if let Some(expr) = self.mem_cache.get(location) {
return Some(expr.clone());
}
@@ -91,7 +92,7 @@ impl ImportEnv {
&mut self,
location: ImportLocation,
hash: Option<&Hash>,
- expr: TypedHir,
+ expr: Typed,
) {
if let Some(file_cache) = self.file_cache.as_ref() {
if let Some(hash) = hash {
@@ -104,8 +105,8 @@ impl ImportEnv {
pub fn with_cycle_detection(
&mut self,
location: ImportLocation,
- do_resolve: impl FnOnce(&mut Self) -> Result<TypedHir, Error>,
- ) -> Result<TypedHir, Error> {
+ do_resolve: impl FnOnce(&mut Self) -> Result<Typed, Error>,
+ ) -> Result<Typed, Error> {
if self.stack.contains(&location) {
return Err(
ImportError::ImportCycle(self.stack.clone(), location).into()
diff --git a/dhall/src/semantics/resolve/resolve.rs b/dhall/src/semantics/resolve/resolve.rs
index d6bc4cd..002490b 100644
--- a/dhall/src/semantics/resolve/resolve.rs
+++ b/dhall/src/semantics/resolve/resolve.rs
@@ -16,14 +16,11 @@ use crate::syntax::{
Expr, ExprKind, FilePath, FilePrefix, Hash, ImportMode, ImportTarget,
Label, Span, UnspannedExpr, URL,
};
-use crate::{Parsed, Resolved};
+use crate::{Parsed, Resolved, Typed};
// TODO: evaluate import headers
pub type Import = syntax::Import<()>;
-/// Owned Hir with a type. Different from Tir because the Hir is owned.
-pub type TypedHir = (Hir, Type);
-
/// The location of some data, usually some dhall code.
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub enum ImportLocation {
@@ -220,14 +217,10 @@ fn make_aslocation_uniontype() -> Expr {
mkexpr(ExprKind::UnionType(union))
}
-fn check_hash(
- import: &Import,
- typed: &TypedHir,
- span: Span,
-) -> Result<(), Error> {
+fn check_hash(import: &Import, typed: &Typed, span: Span) -> Result<(), Error> {
match (import.mode, &import.hash) {
(ImportMode::Code, Some(Hash::SHA256(hash))) => {
- let actual_hash = typed.0.to_expr_alpha().sha256_hash()?;
+ let actual_hash = typed.hir.to_expr_alpha().sha256_hash()?;
if hash[..] != actual_hash[..] {
mkerr(
ErrorBuilder::new("hash mismatch")
@@ -251,27 +244,28 @@ fn resolve_one_import(
import: &Import,
location: ImportLocation,
span: Span,
-) -> Result<TypedHir, Error> {
- match import.mode {
+) -> Result<Typed, Error> {
+ let (hir, ty) = match import.mode {
ImportMode::Code => {
let parsed = location.fetch_dhall()?;
let typed = resolve_with_env(env, parsed)?.typecheck()?;
let hir = typed.normalize().to_hir();
- Ok((hir, typed.ty))
+ (hir, typed.ty)
}
ImportMode::RawText => {
let text = location.fetch_text()?;
let hir =
Hir::new(HirKind::Expr(ExprKind::TextLit(text.into())), span);
- Ok((hir, Type::from_builtin(Builtin::Text)))
+ (hir, Type::from_builtin(Builtin::Text))
}
ImportMode::Location => {
let expr = location.into_location();
let hir = skip_resolve_expr(&expr)?;
let ty = hir.typecheck_noenv()?.ty().clone();
- Ok((hir, ty))
+ (hir, ty)
}
- }
+ };
+ Ok(Typed { hir, ty })
}
/// Desugar a `with` expression.
@@ -335,7 +329,7 @@ fn desugar(expr: &Expr) -> Cow<'_, Expr> {
fn traverse_resolve_expr(
name_env: &mut NameEnv,
expr: &Expr,
- f: &mut impl FnMut(Import, Span) -> Result<TypedHir, Error>,
+ f: &mut impl FnMut(Import, Span) -> Result<Typed, Error>,
) -> Result<Hir, Error> {
let expr = desugar(expr);
Ok(match expr.kind() {
@@ -375,7 +369,7 @@ fn traverse_resolve_expr(
// TODO: evaluate import headers
let import = import.traverse_ref(|_| Ok::<_, Error>(()))?;
let imported = f(import, expr.span())?;
- HirKind::Import(imported.0, imported.1)
+ HirKind::Import(imported.hir, imported.ty)
}
kind => HirKind::Expr(kind),
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 22:23:09 +0000