gccrs: Remove obsolete classes and functions.

Trait functions now use AST::Function class, so classes
AST::TraitItemFunc, AST::TraitItemMethod, AST::TraitFunctionDecl,
AST::TraitMethodDecl and their related functions can be removed.

gcc/rust/ChangeLog:

	* ast/rust-ast-collector.cc (TokenCollector::visit):
	Remove obsolete classes and functions.
	* ast/rust-ast-collector.h:
	Likewise.
	* ast/rust-ast-full-decls.h (class TraitFunctionDecl):
	Likewise.
	(class TraitItemFunc):
	Likewise.
	(class TraitMethodDecl):
	Likewise.
	(class TraitItemMethod):
	Likewise.
	* ast/rust-ast-visitor.cc (DefaultASTVisitor::visit):
	Likewise.
	* ast/rust-ast-visitor.h:
	Likewise.
	* ast/rust-ast.cc (TraitItemFunc::TraitItemFunc):
	Likewise.
	(TraitItemFunc::operator=):
	Likewise.
	(TraitItemFunc::as_string):
	Likewise.
	(TraitFunctionDecl::as_string):
	Likewise.
	(TraitItemMethod::TraitItemMethod):
	Likewise.
	(TraitItemMethod::operator=):
	Likewise.
	(TraitItemMethod::as_string):
	Likewise.
	(TraitMethodDecl::as_string):
	Likewise.
	(TraitItemFunc::accept_vis):
	Likewise.
	(TraitItemMethod::accept_vis):
	Likewise.
	* ast/rust-item.h (class TraitFunctionDecl):
	Likewise.
	(class TraitItemFunc):
	Likewise.
	(class TraitMethodDecl):
	Likewise.
	(class TraitItemMethod):
	Likewise.
	* checks/errors/rust-ast-validation.cc (ASTValidation::visit):
	Likewise.
	* checks/errors/rust-ast-validation.h:
	Likewise.
	* checks/errors/rust-feature-gate.h:
	Likewise.
	* expand/rust-cfg-strip.cc (CfgStrip::maybe_strip_trait_function_decl):
	Likewise.
	(CfgStrip::maybe_strip_trait_method_decl):
	Likewise.
	(CfgStrip::visit):
	Likewise.
	* expand/rust-cfg-strip.h:
	Likewise.
	* expand/rust-derive.h:
	Likewise.
	* expand/rust-expand-visitor.cc (ExpandVisitor::expand_trait_function_decl):
	Likewise.
	(ExpandVisitor::expand_trait_method_decl):
	Likewise.
	(ExpandVisitor::visit):
	Likewise.
	* expand/rust-expand-visitor.h:
	Likewise.
	* hir/rust-ast-lower-base.cc (ASTLoweringBase::visit):
	Likewise.
	* hir/rust-ast-lower-base.h:
	Likewise.
	* hir/rust-ast-lower-implitem.cc (ASTLowerTraitItem::visit):
	Likewise.
	* hir/rust-ast-lower-implitem.h:
	Likewise.
	* resolve/rust-ast-resolve-base.cc (ResolverBase::visit):
	Likewise.
	* resolve/rust-ast-resolve-base.h:
	Likewise.
	* resolve/rust-ast-resolve-implitem.h (visit):
	Likewise.
	* resolve/rust-ast-resolve-item.cc (ResolveTraitItems::visit):
	Likewise.
	* resolve/rust-ast-resolve-item.h:
	Likewise.
	* resolve/rust-default-resolver.cc (DefaultResolver::visit):
	Likewise.
	* resolve/rust-default-resolver.h:
	Likewise.
	* resolve/rust-toplevel-name-resolver-2.0.cc (TopLevel::visit):
	Likewise.
	* resolve/rust-toplevel-name-resolver-2.0.h:
	Likewise.
	* util/rust-attributes.cc (AttributeChecker::visit):
	Likewise.
	* util/rust-attributes.h:
	Likewise.

Signed-off-by: Kushal Pal <kushalpal109@gmail.com>

1 files changed, 0 insertions, 159 deletions

diff --git a/gcc/rust/hir/rust-ast-lower-implitem.cc b/gcc/rust/hir/rust-ast-lower-implitem.cc
index 77230e7..399c3fb 100644
--- a/gcc/rust/hir/rust-ast-lower-implitem.cc
+++ b/gcc/rust/hir/rust-ast-lower-implitem.cc
@@ -314,165 +314,6 @@ ASTLowerTraitItem::visit (AST::Function &func)
 }
 
 void
-ASTLowerTraitItem::visit (AST::TraitItemFunc &func)
-{
-  AST::TraitFunctionDecl &ref = func.get_trait_function_decl ();
-  std::vector<std::unique_ptr<HIR::WhereClauseItem> > where_clause_items;
-  HIR::WhereClause where_clause (std::move (where_clause_items));
-  HIR::FunctionQualifiers qualifiers
-    = lower_qualifiers (func.get_trait_function_decl ().get_qualifiers ());
-
-  std::vector<std::unique_ptr<HIR::GenericParam> > generic_params;
-  if (ref.has_generics ())
-    {
-      generic_params = lower_generic_params (ref.get_generic_params ());
-    }
-
-  std::unique_ptr<HIR::Type> return_type
-    = ref.has_return_type () ? std::unique_ptr<HIR::Type> (
-	ASTLoweringType::translate (ref.get_return_type ().get ()))
-			     : nullptr;
-
-  std::vector<HIR::FunctionParam> function_params;
-  for (auto &p : ref.get_function_params ())
-    {
-      if (p->is_variadic () || p->is_self ())
-	continue;
-
-      auto param = static_cast<AST::FunctionParam *> (p.get ());
-
-      auto translated_pattern = std::unique_ptr<HIR::Pattern> (
-	ASTLoweringPattern::translate (param->get_pattern ().get ()));
-      auto translated_type = std::unique_ptr<HIR::Type> (
-	ASTLoweringType::translate (param->get_type ().get ()));
-
-      auto crate_num = mappings->get_current_crate ();
-      Analysis::NodeMapping mapping (crate_num, param->get_node_id (),
-				     mappings->get_next_hir_id (crate_num),
-				     UNKNOWN_LOCAL_DEFID);
-
-      auto hir_param
-	= HIR::FunctionParam (mapping, std::move (translated_pattern),
-			      std::move (translated_type), param->get_locus ());
-      function_params.push_back (std::move (hir_param));
-    }
-
-  HIR::TraitFunctionDecl decl (ref.get_identifier (), std::move (qualifiers),
-			       std::move (generic_params),
-			       HIR::SelfParam::error (),
-			       std::move (function_params),
-			       std::move (return_type),
-			       std::move (where_clause));
-  bool terminated = false;
-  std::unique_ptr<HIR::BlockExpr> block_expr
-    = func.has_definition () ? std::unique_ptr<HIR::BlockExpr> (
-	ASTLoweringBlock::translate (func.get_definition ().get (),
-				     &terminated))
-			     : nullptr;
-
-  auto crate_num = mappings->get_current_crate ();
-  Analysis::NodeMapping mapping (crate_num, func.get_node_id (),
-				 mappings->get_next_hir_id (crate_num),
-				 mappings->get_next_localdef_id (crate_num));
-
-  HIR::TraitItemFunc *trait_item
-    = new HIR::TraitItemFunc (mapping, std::move (decl), std::move (block_expr),
-			      func.get_outer_attrs (), func.get_locus ());
-  translated = trait_item;
-
-  // add the mappings for the function params at the end
-  for (auto &param : trait_item->get_decl ().get_function_params ())
-    {
-      mappings->insert_hir_param (&param);
-      mappings->insert_location (mapping.get_hirid (), param.get_locus ());
-    }
-}
-
-void
-ASTLowerTraitItem::visit (AST::TraitItemMethod &method)
-{
-  AST::TraitMethodDecl &ref = method.get_trait_method_decl ();
-
-  std::vector<std::unique_ptr<HIR::WhereClauseItem> > where_clause_items;
-  HIR::WhereClause where_clause (std::move (where_clause_items));
-  HIR::FunctionQualifiers qualifiers
-    = lower_qualifiers (method.get_trait_method_decl ().get_qualifiers ());
-
-  std::vector<std::unique_ptr<HIR::GenericParam> > generic_params;
-  if (ref.has_generics ())
-    {
-      generic_params = lower_generic_params (ref.get_generic_params ());
-    }
-
-  std::unique_ptr<HIR::Type> return_type
-    = ref.has_return_type () ? std::unique_ptr<HIR::Type> (
-	ASTLoweringType::translate (ref.get_return_type ().get ()))
-			     : nullptr;
-
-  HIR::SelfParam self_param = lower_self (ref.get_self_param ());
-
-  std::vector<HIR::FunctionParam> function_params;
-  for (auto &p : ref.get_function_params ())
-    {
-      if (p->is_variadic () || p->is_self ())
-	continue;
-
-      auto param = static_cast<AST::FunctionParam *> (p.get ());
-
-      auto translated_pattern = std::unique_ptr<HIR::Pattern> (
-	ASTLoweringPattern::translate (param->get_pattern ().get ()));
-      auto translated_type = std::unique_ptr<HIR::Type> (
-	ASTLoweringType::translate (param->get_type ().get ()));
-
-      auto crate_num = mappings->get_current_crate ();
-      Analysis::NodeMapping mapping (crate_num, param->get_node_id (),
-				     mappings->get_next_hir_id (crate_num),
-				     UNKNOWN_LOCAL_DEFID);
-
-      auto hir_param
-	= HIR::FunctionParam (mapping, std::move (translated_pattern),
-			      std::move (translated_type), param->get_locus ());
-      function_params.push_back (hir_param);
-    }
-
-  HIR::TraitFunctionDecl decl (ref.get_identifier (), std::move (qualifiers),
-			       std::move (generic_params),
-			       std::move (self_param),
-			       std::move (function_params),
-			       std::move (return_type),
-			       std::move (where_clause));
-
-  bool terminated = false;
-  std::unique_ptr<HIR::BlockExpr> block_expr
-    = method.has_definition () ? std::unique_ptr<HIR::BlockExpr> (
-	ASTLoweringBlock::translate (method.get_definition ().get (),
-				     &terminated))
-			       : nullptr;
-
-  auto crate_num = mappings->get_current_crate ();
-  Analysis::NodeMapping mapping (crate_num, method.get_node_id (),
-				 mappings->get_next_hir_id (crate_num),
-				 mappings->get_next_localdef_id (crate_num));
-
-  HIR::TraitItemFunc *trait_item
-    = new HIR::TraitItemFunc (mapping, std::move (decl), std::move (block_expr),
-			      method.get_outer_attrs (), method.get_locus ());
-  translated = trait_item;
-
-  // insert mappings for self
-  mappings->insert_hir_self_param (&self_param);
-  mappings->insert_location (self_param.get_mappings ().get_hirid (),
-			     self_param.get_locus ());
-
-  // add the mappings for the function params at the end
-  for (auto &param : trait_item->get_decl ().get_function_params ())
-    {
-      mappings->insert_hir_param (&param);
-      mappings->insert_location (mapping.get_hirid (), param.get_locus ());
-    }
-}
-
-void
 ASTLowerTraitItem::visit (AST::TraitItemConst &constant)
 {
   HIR::Type *type = ASTLoweringType::translate (constant.get_type ().get ());