Remove limit crate in favor usize

Author: Veykril

Cargo.lock

@@ -64,7 +64,6 @@ ide-db = { path = "./crates/ide-db", version = "0.0.0" }
 ide-diagnostics = { path = "./crates/ide-diagnostics", version = "0.0.0" }
 ide-ssr = { path = "./crates/ide-ssr", version = "0.0.0" }
 intern = { path = "./crates/intern", version = "0.0.0" }
-limit = { path = "./crates/limit", version = "0.0.0" }
 load-cargo = { path = "./crates/load-cargo", version = "0.0.0" }
 mbe = { path = "./crates/mbe", version = "0.0.0" }
 parser = { path = "./crates/parser", version = "0.0.0" }

Cargo.toml

@@ -43,7 +43,6 @@ hir-expand.workspace = true
 mbe.workspace = true
 cfg.workspace = true
 tt.workspace = true
-limit.workspace = true
 span.workspace = true
 
 

crates/hir-def/Cargo.toml

@@ -9,7 +9,6 @@ use hir_expand::{
     attrs::RawAttrs, mod_path::ModPath, span_map::SpanMap, ExpandError, ExpandErrorKind,
     ExpandResult, HirFileId, InFile, Lookup, MacroCallId,
 };
-use limit::Limit;
 use span::{Edition, SyntaxContextId};
 use syntax::{ast, Parse};
 use triomphe::Arc;
@@ -28,18 +27,18 @@ pub struct Expander {
     pub(crate) module: ModuleId,
     /// `recursion_depth == usize::MAX` indicates that the recursion limit has been reached.
     recursion_depth: u32,
-    recursion_limit: Limit,
+    recursion_limit: usize,
 }
 
 impl Expander {
     pub fn new(db: &dyn DefDatabase, current_file_id: HirFileId, module: ModuleId) -> Expander {
         let recursion_limit = module.def_map(db).recursion_limit() as usize;
-        let recursion_limit = Limit::new(if cfg!(test) {
+        let recursion_limit = if cfg!(test) {
             // Without this, `body::tests::your_stack_belongs_to_me` stack-overflows in debug
             std::cmp::min(32, recursion_limit)
         } else {
             recursion_limit
-        });
+        };
         Expander {
             current_file_id,
             module,
@@ -194,7 +193,7 @@ impl Expander {
         let Some(call_id) = value else {
             return ExpandResult { value: None, err };
         };
-        if self.recursion_limit.check(self.recursion_depth as usize + 1).is_err() {
+        if self.recursion_depth as usize > self.recursion_limit {
             self.recursion_depth = u32::MAX;
             cov_mark::hit!(your_stack_belongs_to_me);
             return ExpandResult::only_err(ExpandError::new(

crates/hir-def/src/expander.rs

@@ -19,7 +19,6 @@ use hir_expand::{
 use intern::{sym, Interned};
 use itertools::{izip, Itertools};
 use la_arena::Idx;
-use limit::Limit;
 use rustc_hash::{FxHashMap, FxHashSet};
 use span::{Edition, EditionedFileId, FileAstId, SyntaxContextId};
 use syntax::ast;
@@ -55,8 +54,8 @@ use crate::{
     UnresolvedMacro, UseId, UseLoc,
 };
 
-static GLOB_RECURSION_LIMIT: Limit = Limit::new(100);
-static FIXED_POINT_LIMIT: Limit = Limit::new(8192);
+const GLOB_RECURSION_LIMIT: usize = 100;
+const FIXED_POINT_LIMIT: usize = 8192;
 
 pub(super) fn collect_defs(db: &dyn DefDatabase, def_map: DefMap, tree_id: TreeId) -> DefMap {
     let crate_graph = db.crate_graph();
@@ -393,7 +392,7 @@ impl DefCollector<'_> {
                 }
 
                 i += 1;
-                if FIXED_POINT_LIMIT.check(i).is_err() {
+                if i > FIXED_POINT_LIMIT {
                     tracing::error!("name resolution is stuck");
                     break 'resolve_attr;
                 }
@@ -993,7 +992,7 @@ impl DefCollector<'_> {
         import: Option<ImportOrExternCrate>,
         depth: usize,
     ) {
-        if GLOB_RECURSION_LIMIT.check(depth).is_err() {
+        if depth > GLOB_RECURSION_LIMIT {
             // prevent stack overflows (but this shouldn't be possible)
             panic!("infinite recursion in glob imports!");
         }
@@ -1470,8 +1469,7 @@ impl DefCollector<'_> {
         depth: usize,
         container: ItemContainerId,
     ) {
-        let recursion_limit = Limit::new(self.def_map.recursion_limit() as usize);
-        if recursion_limit.check(depth).is_err() {
+        if depth > self.def_map.recursion_limit() as usize {
             cov_mark::hit!(macro_expansion_overflow);
             tracing::warn!("macro expansion is too deep");
             return;
@@ -1499,7 +1497,6 @@ impl DefCollector<'_> {
 
     fn finish(mut self) -> DefMap {
         // Emit diagnostics for all remaining unexpanded macros.
-
         let _p = tracing::info_span!("DefCollector::finish").entered();
 
         for directive in &self.unresolved_macros {

crates/hir-def/src/nameres/collector.rs

@@ -2,12 +2,11 @@
 use arrayvec::ArrayVec;
 use base_db::AnchoredPath;
 use hir_expand::{name::Name, HirFileIdExt};
-use limit::Limit;
 use span::EditionedFileId;
 
 use crate::{db::DefDatabase, HirFileId};
 
-static MOD_DEPTH_LIMIT: Limit = Limit::new(32);
+const MOD_DEPTH_LIMIT: usize = 32;
 
 #[derive(Clone, Debug)]
 pub(super) struct ModDir {
@@ -50,7 +49,7 @@ impl ModDir {
 
     fn child(&self, dir_path: DirPath, root_non_dir_owner: bool) -> Option<ModDir> {
         let depth = self.depth + 1;
-        if MOD_DEPTH_LIMIT.check(depth as usize).is_err() {
+        if depth as usize > MOD_DEPTH_LIMIT {
             tracing::error!("MOD_DEPTH_LIMIT exceeded");
             cov_mark::hit!(circular_mods);
             return None;

crates/hir-def/src/nameres/mod_resolution.rs

@@ -31,7 +31,6 @@ cfg.workspace = true
 syntax.workspace = true
 tt.workspace = true
 mbe.workspace = true
-limit.workspace = true
 span.workspace = true
 parser.workspace = true
 syntax-bridge.workspace = true

crates/hir-expand/Cargo.toml

@@ -2,7 +2,6 @@
 
 use base_db::{ra_salsa, CrateId, SourceDatabase};
 use either::Either;
-use limit::Limit;
 use mbe::MatchedArmIndex;
 use rustc_hash::FxHashSet;
 use span::{AstIdMap, Edition, EditionedFileId, Span, SyntaxContextData, SyntaxContextId};
@@ -35,7 +34,7 @@ type MacroArgResult = (Arc<tt::TopSubtree>, SyntaxFixupUndoInfo, Span);
 /// an error will be emitted.
 ///
 /// Actual max for `analysis-stats .` at some point: 30672.
-static TOKEN_LIMIT: Limit = Limit::new(2_097_152);
+const TOKEN_LIMIT: usize = 2_097_152;
 
 #[derive(Debug, Clone, Eq, PartialEq)]
 pub enum TokenExpander {
@@ -740,20 +739,19 @@ pub(crate) fn token_tree_to_syntax_node(
 fn check_tt_count(tt: &tt::TopSubtree) -> Result<(), ExpandResult<()>> {
     let tt = tt.top_subtree();
     let count = tt.count();
-    if TOKEN_LIMIT.check(count).is_err() {
+    if count <= TOKEN_LIMIT {
+        Ok(())
+    } else {
         Err(ExpandResult {
             value: (),
             err: Some(ExpandError::other(
                 tt.delimiter.open,
                 format!(
                     "macro invocation exceeds token limit: produced {} tokens, limit is {}",
-                    count,
-                    TOKEN_LIMIT.inner(),
+                    count, TOKEN_LIMIT,
                 ),
             )),
         })
-    } else {
-        Ok(())
     }
 }
 

crates/hir-expand/src/db.rs

@@ -47,7 +47,6 @@ hir-def.workspace = true
 hir-expand.workspace = true
 base-db.workspace = true
 syntax.workspace = true
-limit.workspace = true
 span.workspace = true
 
 [dev-dependencies]

crates/hir-ty/Cargo.toml

@@ -9,15 +9,14 @@ use chalk_ir::cast::Cast;
 use hir_def::lang_item::LangItem;
 use hir_expand::name::Name;
 use intern::sym;
-use limit::Limit;
 use triomphe::Arc;
 
 use crate::{
     db::HirDatabase, infer::unify::InferenceTable, Canonical, Goal, Interner, ProjectionTyExt,
     TraitEnvironment, Ty, TyBuilder, TyKind,
 };
 
-static AUTODEREF_RECURSION_LIMIT: Limit = Limit::new(20);
+const AUTODEREF_RECURSION_LIMIT: usize = 20;
 
 #[derive(Debug)]
 pub(crate) enum AutoderefKind {
@@ -140,7 +139,7 @@ impl<T: TrackAutoderefSteps> Iterator for Autoderef<'_, '_, T> {
             return Some((self.ty.clone(), 0));
         }
 
-        if AUTODEREF_RECURSION_LIMIT.check(self.steps.len() + 1).is_err() {
+        if self.steps.len() > AUTODEREF_RECURSION_LIMIT {
             return None;
         }