diff mbox series

[COMMITTED] gccrs: Add extra debugging for method call expressions

Message ID 20230131132542.662372-1-arthur.cohen@embecosm.com
State Committed
Commit 43cb42a3d82d1c29592a5232811fc608ef6cea49
Headers
Series [COMMITTED] gccrs: Add extra debugging for method call expressions |

Commit Message

Arthur Cohen Jan. 31, 2023, 1:25 p.m. UTC 
  From: Philip Herron <philip.herron@embecosm.com>

gcc/rust/ChangeLog:

	* typecheck/rust-hir-type-check-expr.cc (TypeCheckExpr::visit): Add
	more calls to `rust_debug` for development.

Tested on x86_64-pc-linux-gnu, committed on master.

---
 gcc/rust/typecheck/rust-hir-type-check-expr.cc | 12 ++++++++++++
 1 file changed, 12 insertions(+)
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Patch

diff --git a/gcc/rust/typecheck/rust-hir-type-check-expr.cc b/gcc/rust/typecheck/rust-hir-type-check-expr.cc
index a0eb1a596f7..bea5eb8cb0b 100644
--- a/gcc/rust/typecheck/rust-hir-type-check-expr.cc
+++ b/gcc/rust/typecheck/rust-hir-type-check-expr.cc
@@ -1024,6 +1024,11 @@  TypeCheckExpr::visit (HIR::MethodCallExpr &expr)
       return;
     }
 
+  rust_debug_loc (expr.get_method_name ().get_locus (),
+		  "resolved method to: {%u} {%s}",
+		  candidate.candidate.ty->get_ref (),
+		  candidate.candidate.ty->debug_str ().c_str ());
+
   // Get the adjusted self
   Adjuster adj (receiver_tyty);
   TyTy::BaseType *adjusted_self = adj.adjust_type (candidate.adjustments);
@@ -1120,6 +1125,9 @@  TypeCheckExpr::visit (HIR::MethodCallExpr &expr)
   // apply any remaining generic arguments
   if (expr.get_method_name ().has_generic_args ())
     {
+      rust_debug_loc (expr.get_method_name ().get_generic_args ().get_locus (),
+		      "applying generic arguments to method_call: {%s}",
+		      lookup->debug_str ().c_str ());
       HIR::GenericArgs &args = expr.get_method_name ().get_generic_args ();
       lookup
 	= SubstMapper::Resolve (lookup, expr.get_method_name ().get_locus (),
@@ -1129,10 +1137,14 @@  TypeCheckExpr::visit (HIR::MethodCallExpr &expr)
     }
   else if (lookup->needs_generic_substitutions ())
     {
+      rust_debug ("method needs inference: {%s}",
+		  lookup->debug_str ().c_str ());
       lookup = SubstMapper::InferSubst (lookup,
 					expr.get_method_name ().get_locus ());
     }
 
+  rust_debug ("type-checking method_call: {%s}", lookup->debug_str ().c_str ());
+
   TyTy::BaseType *function_ret_tyty
     = TyTy::TypeCheckMethodCallExpr::go (lookup, expr, adjusted_self, context);
   if (function_ret_tyty == nullptr