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Improve check for include macro #15866

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merged 1 commit into from
Nov 10, 2023
Merged

Improve check for include macro #15866

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29 changes: 6 additions & 23 deletions crates/hir-expand/src/db.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -12,15 +12,11 @@ use syntax::{
use triomphe::Arc;

use crate::{
ast_id_map::AstIdMap,
builtin_attr_macro::pseudo_derive_attr_expansion,
builtin_fn_macro::EagerExpander,
fixup,
hygiene::HygieneFrame,
name::{name, AsName},
tt, AstId, BuiltinAttrExpander, BuiltinDeriveExpander, BuiltinFnLikeExpander, EagerCallInfo,
ExpandError, ExpandResult, ExpandTo, HirFileId, HirFileIdRepr, MacroCallId, MacroCallKind,
MacroCallLoc, MacroDefId, MacroDefKind, MacroFile, ProcMacroExpander,
ast_id_map::AstIdMap, builtin_attr_macro::pseudo_derive_attr_expansion,
builtin_fn_macro::EagerExpander, fixup, hygiene::HygieneFrame, tt, AstId, BuiltinAttrExpander,
BuiltinDeriveExpander, BuiltinFnLikeExpander, EagerCallInfo, ExpandError, ExpandResult,
ExpandTo, HirFileId, HirFileIdRepr, MacroCallId, MacroCallKind, MacroCallLoc, MacroDefId,
MacroDefKind, MacroFile, ProcMacroExpander,
};

/// Total limit on the number of tokens produced by any macro invocation.
Expand Down Expand Up @@ -619,20 +615,7 @@ fn macro_expand(db: &dyn ExpandDatabase, id: MacroCallId) -> ExpandResult<Arc<tt
}

// Skip checking token tree limit for include! macro call
let skip_check_tt_count = match loc.kind {
MacroCallKind::FnLike { ast_id, expand_to: _ } => {
if let Some(name_ref) =
ast_id.to_node(db).path().and_then(|p| p.segment()).and_then(|s| s.name_ref())
{
name_ref.as_name() == name!(include)
} else {
false
}
}
_ => false,
};

if !skip_check_tt_count {
if !loc.def.is_include() {
// Set a hard limit for the expanded tt
if let Err(value) = check_tt_count(&tt) {
return value;
Expand Down