gccrs: Reuse TypeCheckPattern on LetStmt's

Update Rust type-checking to reuse TypeCheckPattern on HIR::LetStmt's.
This will unify the paths and improve error handling.

gcc/rust/ChangeLog:

	* typecheck/rust-hir-type-check-stmt.cc (TypeCheckStmt::visit): Cleanup LetStmt
	type checking.

Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>

diff --git a/gcc/rust/typecheck/rust-hir-type-check-stmt.cc b/gcc/rust/typecheck/rust-hir-type-check-stmt.cc
index 437782e81020b761b7266311365b5cb311b67a52..956249a76070a05a86424fa60b5b92929f55cf67 100644 (file)
--- a/gcc/rust/typecheck/rust-hir-type-check-stmt.cc
+++ b/gcc/rust/typecheck/rust-hir-type-check-stmt.cc
@@ -82,7 +82,7 @@ TypeCheckStmt::visit (HIR::LetStmt &stmt)
 {
   infered = TyTy::TupleType::get_unit_type (stmt.get_mappings ().get_hirid ());
 
-  const HIR::Pattern &stmt_pattern = *stmt.get_pattern ();
+  HIR::Pattern &stmt_pattern = *stmt.get_pattern ();
   TyTy::BaseType *init_expr_ty = nullptr;
   Location init_expr_locus;
   if (stmt.has_init_expr ())
@@ -111,27 +111,25 @@ TypeCheckStmt::visit (HIR::LetStmt &stmt)
                     TyTy::TyWithLocation (specified_ty, specified_ty_locus),
                     TyTy::TyWithLocation (init_expr_ty, init_expr_locus),
                     stmt.get_locus ());
-      context->insert_type (stmt_pattern.get_pattern_mappings (), specified_ty);
+      TypeCheckPattern::Resolve (&stmt_pattern, specified_ty);
     }
   else
     {
       // let x:i32;
       if (specified_ty != nullptr)
        {
-         context->insert_type (stmt_pattern.get_pattern_mappings (),
-                               specified_ty);
+         TypeCheckPattern::Resolve (&stmt_pattern, specified_ty);
        }
       // let x = 123;
       else if (init_expr_ty != nullptr)
        {
-         context->insert_type (stmt_pattern.get_pattern_mappings (),
-                               init_expr_ty);
+         TypeCheckPattern::Resolve (&stmt_pattern, init_expr_ty);
        }
       // let x;
       else
        {
-         context->insert_type (
-           stmt_pattern.get_pattern_mappings (),
+         TypeCheckPattern::Resolve (
+           &stmt_pattern,
            new TyTy::InferType (
              stmt_pattern.get_pattern_mappings ().get_hirid (),
              TyTy::InferType::InferTypeKind::GENERAL, stmt.get_locus ()));