gccrs: Remove Location typedef

gcc/rust/ChangeLog:

	* rust-location.h (typedef Location): Remove.

	* expand/rust-proc-macro.cc
	(register_callback): Replace Location constructor with UNDEF_LOCATION.

	* ast/rust-ast-collector.h: Replace Location with location_t.
	* checks/errors/privacy/rust-privacy-reporter.cc: Likewise.
	* checks/errors/privacy/rust-privacy-reporter.h: Likewise.
	* checks/errors/privacy/rust-pub-restricted-visitor.cc: Likewise.
	* checks/errors/privacy/rust-pub-restricted-visitor.h: Likewise.
	* checks/errors/rust-feature-gate.cc: Likewise.
	* checks/errors/rust-feature-gate.h: Likewise.
	* metadata/rust-imports.h: Likewise.
	* resolve/rust-ast-resolve-path.h: Likewise.
	* resolve/rust-name-resolver.h: Likewise.
	* rust-backend.h: Likewise.
	* rust-diagnostics.h: Likewise.
	* rust-gcc.cc: Likewise.
	* rust-linemap.h: Likewise.
	* util/rust-attributes.cc: Likewise.
	* util/rust-hir-map.cc: Likewise.
	* util/rust-hir-map.h: Likewise.
	* util/rust-token-converter.cc: Likewise.

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

gcc/rust/ast/rust-ast-collector.h

@@ -160,7 +160,7 @@ public:
   void visit (Visitable &v);
   void visit (LoopLabel &label);
 
-  void visit (Literal &lit, Location locus = UNDEF_LOCATION);
+  void visit (Literal &lit, location_t locus = UNDEF_LOCATION);
 
   void visit (FunctionParam &param);
   void visit (Attribute &attrib);

gcc/rust/checks/errors/privacy/rust-privacy-reporter.cc

@@ -112,7 +112,7 @@ is_child_module (Analysis::Mappings &mappings, NodeId parent,
 // FIXME: This function needs a lot of refactoring
 void
 PrivacyReporter::check_for_privacy_violation (const NodeId &use_id,
-					      const Location &locus)
+					      const location_t locus)
 {
   NodeId ref_node_id = UNKNOWN_NODEID;
 
@@ -172,7 +172,7 @@ PrivacyReporter::check_for_privacy_violation (const NodeId &use_id,
 void
 PrivacyReporter::check_base_type_privacy (Analysis::NodeMapping &node_mappings,
 					  const TyTy::BaseType *ty,
-					  const Location &locus)
+					  const location_t locus)
 {
   // Avoids repeating commong argument such as `use_id` or `locus` since we're
   // doing a lot of recursive calls here

gcc/rust/checks/errors/privacy/rust-privacy-reporter.h

@@ -56,7 +56,7 @@ private:
    * @param locus Location of said expression/statement
    */
   void check_for_privacy_violation (const NodeId &use_id,
-				    const Location &locus);
+				    const location_t locus);
 
   /**
    * Internal function used by `check_type_privacy` when dealing with complex
@@ -65,7 +65,7 @@ types
    */
   void check_base_type_privacy (Analysis::NodeMapping &node_mappings,
 				const TyTy::BaseType *ty,
-				const Location &locus);
+				const location_t locus);
 
   /**
    * Check the privacy of an explicit type.

gcc/rust/checks/errors/privacy/rust-pub-restricted-visitor.cc

@@ -25,7 +25,7 @@ namespace Privacy {
 
 bool
 PubRestrictedVisitor::is_restriction_valid (NodeId item_id,
-					    const Location &locus)
+					    const location_t locus)
 {
   ModuleVisibility visibility;
 

gcc/rust/checks/errors/privacy/rust-pub-restricted-visitor.h

@@ -87,7 +87,7 @@ public:
    *
    * @return true if the visibility restriction is valid, false otherwise.
    */
-  bool is_restriction_valid (NodeId item_id, const Location &locus);
+  bool is_restriction_valid (NodeId item_id, const location_t locus);
 
   virtual void visit (HIR::Module &mod);
   virtual void visit (HIR::ExternCrate &crate);

gcc/rust/checks/errors/rust-feature-gate.cc

@@ -65,7 +65,7 @@ FeatureGate::check (AST::Crate &crate)
 }
 
 void
-FeatureGate::gate (Feature::Name name, Location loc,
+FeatureGate::gate (Feature::Name name, location_t loc,
 		   const std::string &error_msg)
 {
   if (!valid_features.count (name))

gcc/rust/checks/errors/rust-feature-gate.h

@@ -186,7 +186,7 @@ public:
   void visit (AST::BareFunctionType &type) override {}
 
 private:
-  void gate (Feature::Name name, Location loc, const std::string &error_msg);
+  void gate (Feature::Name name, location_t loc, const std::string &error_msg);
   void check_rustc_attri (const std::vector<AST::Attribute> &attributes);
   std::set<Feature::Name> valid_features;
 };

gcc/rust/expand/rust-proc-macro.cc

@@ -89,7 +89,7 @@ register_callback (void *handle, Symbol, std::string symbol_name,
   void *addr = dlsym (handle, symbol_name.c_str ());
   if (addr == nullptr)
     {
-      rust_error_at (Location (),
+      rust_error_at (UNDEF_LOCATION,
 		     "Callback registration symbol (%s) missing from "
 		     "proc macro, wrong version?",
 		     symbol_name.c_str ());

gcc/rust/metadata/rust-imports.h

@@ -76,7 +76,7 @@ public:
 
     // Given an error if the next LENGTH bytes do not match BYTES.
     // Advance the read position by LENGTH.
-    void require_bytes (Location, const char *bytes, size_t length);
+    void require_bytes (location_t, const char *bytes, size_t length);
 
     // Advance the read position by SKIP bytes.
     void advance (size_t skip)
@@ -115,7 +115,7 @@ public:
 		const std::string &relative_import_path);
 
   static std::pair<std::unique_ptr<Stream>, std::vector<ProcMacro::Procmacro>>
-  try_package_in_directory (const std::string &, Location);
+  try_package_in_directory (const std::string &, location_t);
 
   // Constructor.
   Import (std::unique_ptr<Stream>, location_t);

gcc/rust/resolve/rust-ast-resolve-path.h

@@ -43,7 +43,7 @@ private:
   void
   resolve_simple_path_segments (CanonicalPath prefix, size_t offs,
 				const std::vector<AST::SimplePathSegment> &segs,
-				NodeId expr_node_id, Location expr_locus);
+				NodeId expr_node_id, location_t expr_locus);
 };
 
 } // namespace Resolver

gcc/rust/resolve/rust-name-resolver.h

@@ -71,14 +71,14 @@ public:
 
   CrateNum get_crate_num () const { return crate_num; }
   NodeId get_node_id () const { return node_id; }
-  std::map<NodeId, Location> &get_declarations () { return decls_within_rib; }
+  std::map<NodeId, location_t> &get_declarations () { return decls_within_rib; }
 
 private:
   CrateNum crate_num;
   NodeId node_id;
   std::map<CanonicalPath, NodeId> path_mappings;
   std::map<NodeId, CanonicalPath> reverse_path_mappings;
-  std::map<NodeId, Location> decls_within_rib;
+  std::map<NodeId, location_t> decls_within_rib;
   std::map<NodeId, std::set<NodeId>> references;
   std::map<NodeId, ItemType> decl_type_mappings;
 };

gcc/rust/rust-backend.h

@@ -56,7 +56,7 @@ public:
     {}
 
     typed_identifier (const std::string &a_name, tree a_type,
-		      Location a_location)
+		      location_t a_location)
       : name (a_name), type (a_type), location (a_location)
     {}
   };
@@ -229,7 +229,7 @@ public:
   // Supported values of OP are enumerated in ArithmeticOrLogicalOperator.
   virtual tree arithmetic_or_logical_expression (ArithmeticOrLogicalOperator op,
 						 tree left, tree right,
-						 Location loc)
+						 location_t loc)
     = 0;
 
   // Return an expression for the operation LEFT OP RIGHT.
@@ -239,14 +239,14 @@ public:
   // variable which will contain the result of that operation.
   virtual tree
   arithmetic_or_logical_expression_checked (ArithmeticOrLogicalOperator op,
-					    tree left, tree right, Location loc,
-					    Bvariable *receiver)
+					    tree left, tree right,
+					    location_t loc, Bvariable *receiver)
     = 0;
 
   // Return an expression for the operation LEFT OP RIGHT.
   // Supported values of OP are enumerated in ComparisonOperator.
   virtual tree comparison_expression (ComparisonOperator op, tree left,
-				      tree right, Location loc)
+				      tree right, location_t loc)
     = 0;
 
   // Return an expression for the operation LEFT OP RIGHT.
@@ -340,7 +340,7 @@ public:
   // The statements will be added after the block is created.
   virtual tree block (tree function, tree enclosing,
 		      const std::vector<Bvariable *> &vars,
-		      Location start_location, Location end_location)
+		      location_t start_location, location_t end_location)
     = 0;
 
   // Add the statements to a block.  The block is created first.  Then

gcc/rust/rust-diagnostics.h

@@ -1090,24 +1090,24 @@ TABLE_TO_MAP(E0794),
 };
 
 extern void
-rust_internal_error_at (const Location, const char *fmt, ...)
+rust_internal_error_at (const location_t, const char *fmt, ...)
   RUST_ATTRIBUTE_GCC_DIAG (2, 3)
   RUST_ATTRIBUTE_NORETURN;
 extern void
-rust_error_at (const Location, const char *fmt, ...)
+rust_error_at (const location_t, const char *fmt, ...)
   RUST_ATTRIBUTE_GCC_DIAG (2, 3);
 extern void
-rust_error_at (const Location, const ErrorCode, const char *fmt, ...)
+rust_error_at (const location_t, const ErrorCode, const char *fmt, ...)
   RUST_ATTRIBUTE_GCC_DIAG (3, 4);
 extern void
-rust_warning_at (const Location, int opt, const char *fmt, ...)
+rust_warning_at (const location_t, int opt, const char *fmt, ...)
   RUST_ATTRIBUTE_GCC_DIAG (3, 4);
 extern void
-rust_fatal_error (const Location, const char *fmt, ...)
+rust_fatal_error (const location_t, const char *fmt, ...)
   RUST_ATTRIBUTE_GCC_DIAG (2, 3)
   RUST_ATTRIBUTE_NORETURN;
 extern void
-rust_inform (const Location, const char *fmt, ...)
+rust_inform (const location_t, const char *fmt, ...)
   RUST_ATTRIBUTE_GCC_DIAG (2, 3);
 
 // rich locations
@@ -1135,12 +1135,12 @@ rust_close_quote ();
 
 // clang-format off
 extern void
-rust_be_internal_error_at (const Location, const std::string &errmsg)
+rust_be_internal_error_at (const location_t, const std::string &errmsg)
   RUST_ATTRIBUTE_NORETURN;
 extern void
-rust_be_error_at (const Location, const std::string &errmsg);
+rust_be_error_at (const location_t, const std::string &errmsg);
 extern void
-rust_be_error_at (const Location, const ErrorCode,
+rust_be_error_at (const location_t, const ErrorCode,
 		  const std::string &errmsg);
 extern void
 rust_be_error_at (const rich_location &, const std::string &errmsg);
@@ -1148,12 +1148,12 @@ extern void
 rust_be_error_at (const rich_location &, const ErrorCode,
 		  const std::string &errmsg);
 extern void
-rust_be_warning_at (const Location, int opt, const std::string &warningmsg);
+rust_be_warning_at (const location_t, int opt, const std::string &warningmsg);
 extern void
-rust_be_fatal_error (const Location, const std::string &errmsg)
+rust_be_fatal_error (const location_t, const std::string &errmsg)
   RUST_ATTRIBUTE_NORETURN;
 extern void
-rust_be_inform (const Location, const std::string &infomsg);
+rust_be_inform (const location_t, const std::string &infomsg);
 extern void
 rust_be_get_quotechars (const char **open_quote, const char **close_quote);
 extern bool

gcc/rust/rust-gcc.cc

@@ -186,7 +186,8 @@ public:
 
   tree arithmetic_or_logical_expression_checked (ArithmeticOrLogicalOperator op,
 						 tree left, tree right,
-						 Location, Bvariable *receiver);
+						 location_t,
+						 Bvariable *receiver);
 
   tree comparison_expression (ComparisonOperator op, tree left, tree right,
 			      location_t);
@@ -231,7 +232,7 @@ public:
 
   // Blocks.
 
-  tree block (tree, tree, const std::vector<Bvariable *> &, Location,
+  tree block (tree, tree, const std::vector<Bvariable *> &, location_t,
 	      location_t);
 
   void block_add_statements (tree, const std::vector<tree> &);
@@ -255,7 +256,7 @@ public:
   Bvariable *static_chain_variable (tree, const std::string &, tree,
 				    location_t);
 
-  Bvariable *temporary_variable (tree, tree, tree, tree, bool, Location,
+  Bvariable *temporary_variable (tree, tree, tree, tree, bool, location_t,
 				 tree *);
 
   // Labels.
@@ -783,7 +784,7 @@ Gcc_backend::function_type_varadic (
 tree
 Gcc_backend::function_ptr_type (tree result_type,
 				const std::vector<tree> &parameters,
-				Location /* locus */)
+				location_t /* locus */)
 {
   tree args = NULL_TREE;
   tree *pp = &args;
@@ -2084,7 +2085,7 @@ Gcc_backend::statement_list (const std::vector<tree> &statements)
 tree
 Gcc_backend::block (tree fndecl, tree enclosing,
 		    const std::vector<Bvariable *> &vars,
-		    Location start_location, location_t)
+		    location_t start_location, location_t)
 {
   tree block_tree = make_node (BLOCK);
   if (enclosing == NULL)

gcc/rust/rust-linemap.h

@@ -63,7 +63,7 @@ public:
   // Produce a human-readable description of a Location, e.g.
   // "foo.rust:10". Returns an empty string for predeclared, builtin or
   // unknown locations.
-  static std::string location_to_string (Location loc);
+  static std::string location_to_string (location_t loc);
 
 private:
   // Whether we are currently reading a file.

gcc/rust/rust-location.h

@@ -29,6 +29,4 @@
 // Used to replace Location default constructor
 #define UNDEF_LOCATION UNKNOWN_LOCATION
 
-typedef location_t Location;
-
 #endif // !defined(RUST_LOCATION_H)

gcc/rust/util/rust-attributes.cc

@@ -122,7 +122,7 @@ is_builtin (const AST::Attribute &attribute, BuiltinAttrDefinition &builtin)
  * characters.
  */
 static void
-check_doc_alias (const std::string &alias_input, const Location &locus)
+check_doc_alias (const std::string &alias_input, const location_t locus)
 {
   // FIXME: The locus here is for the whole attribute. Can we get the locus
   // of the alias input instead?

gcc/rust/util/rust-hir-map.cc

@@ -797,7 +797,7 @@ Mappings::insert_location (HirId id, location_t locus)
   locations[id] = locus;
 }
 
-Location
+location_t
 Mappings::lookup_location (HirId id)
 {
   auto it = locations.find (id);

gcc/rust/util/rust-hir-map.h

@@ -172,7 +172,7 @@ public:
   bool lookup_hir_to_node (HirId id, NodeId *ref);
 
   void insert_location (HirId id, location_t locus);
-  Location lookup_location (HirId id);
+  location_t lookup_location (HirId id);
 
   bool resolve_nodeid_to_stmt (NodeId id, HIR::Stmt **stmt);
 
@@ -383,7 +383,7 @@ private:
   std::map<HirId, HIR::Pattern *> hirPatternMappings;
   std::map<RustLangItem::ItemType, DefId> lang_item_mappings;
   std::map<NodeId, const Resolver::CanonicalPath> paths;
-  std::map<NodeId, Location> locations;
+  std::map<NodeId, location_t> locations;
   std::map<NodeId, HirId> nodeIdToHirMappings;
   std::map<HirId, NodeId> hirIdToNodeMappings;
 

gcc/rust/util/rust-token-converter.cc

@@ -57,7 +57,7 @@ convert (location_t location)
   return ProcMacro::Span::make_span (location, 0);
 }
 
-static Location
+static location_t
 convert (ProcMacro::Span span)
 {
   return span.start;