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authorGabriel Dos Reis <gdr@integrable-solutions.net>2003-10-13 10:26:36 +0000
committerGabriel Dos Reis <gdr@gcc.gnu.org>2003-10-13 10:26:36 +0000
commit00e8de680e6a5c880ac9aec78b765f6e1d2531dc (patch)
treeb9ede29f76d95815a065186834227685a06326b9 /gcc/cp/decl.c
parent4f0504d9072cc2ced75e6a1586d95d1f33e4fb37 (diff)
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Break out decl.c (2/n)
Break out decl.c (2/n) * name-lookup.c: Include diagnostic.h (cxx_binding_free): Make static. (cxx_binding_make): Likewise. (binding_table_new): Likewise (binding_table_free): Likewise. (binding_table_insert): Likewise. (binding_table_find_anon_type): Likewise. (binding_table_reverse_maybe_remap): Likewise. (supplement_binding): Likewise. * name-lookup.h (global_scope_name): Declare extern. (global_type_node): Likewise. (cxx_binding_free): Don't export. (cxx_binding_make): Likewise. (binding_table_new): Likewise. (binding_table_free): Likewise. (binding_table_insert): Likewise. (binding_table_find_anon_type): Likewise. (binding_table_reverse_maybe_remap): Likewise. * Make-lang.in (cp/name-lookup.o): Depend on $(DIAGNOSTIC_H) * decl.c (lookup_namespace_name): Move to name-lookup.c (select_decl): Likewise. (unqualified_namespace_lookup): Likewise. (lookup_qualified_name): Likewise. (lookup_name_real): Likewise. (lookup_name_nonclass): Likewise. (lookup_function_nonclass): Likewise. (lookup_name): Likewise. (lookup_name_current_level): Likewise. (lookup_type_current_level): Likewise. (lookup_flags): Likewise. (qualify_lookup): Likewise. (lookup_tag): Likewise. (lookup_tag_reverse): Likewise. (getdecls): Likewise. (storedecls): Remove. (cxx_remember_type_decls): Likewise. (global_bindings_p): Likewise. (innermost_nonclass_level): Likewise. (toplevel_bindings_p): Likewise. (namespace_bindings_p): Likewise. (kept_level_p): Likewise. (innermost_scope_kind): Likewise. (template_parm_scope_p): Likewise. (push_binding): Likewise. (push_local_binding): Likewise. (add_decl_to_level): Likewise. Make extern. (push_class_binding): Move to name-lookup.c. (resume_level): Likewise. Rename to resume_scope. (begin_scope): Likewise. (indent): Likewise. (binding_depth): Likewise. (is_class_level): Likewise. (cxx_scope_descriptor): Likewise. (cxx_scope_debug): Likewise. (namespace_scope_ht_size): Likewise. (leave_scope): Likewise. (pushlevel_class): Likewise. (poplevel_class): Likewise. (clear_identifier_class_values): Likewise. (pushdecl_with_scope): Likewise. (pushdecl_namespace_level): Likewise. (pushdecl_class_level): Likewise. (push_class_level_binding): Likewise. (push_using_directive): Likewise. (identifier_global_value): Likewise. (keep_next_level_flag): Likewise. (keep_next_level): Likewise. (free_binding_level): Likewise. (set_class_shadows): Likewise. (maybe_push_cleanup_level): Likewise. (cp_namespace_decls): Likewise. (bt_print_entry): Likewise. (print_binding_level): Likewise. (print_other_binding_stack): Likewise. (print_binding_stack): Likewise. (push_namespace): Likewise. (pop_namespace): Likewise. (push_nested_namespace): Likewise. (pop_nested_namespace): Likewise. (cxx_saved_binding_make): Likewise. (struct cxx_saved_binding_make): Likewise. (store_bindings): Likewise. (maybe_push_to_top_level): Likewise. (push_to_top_level): Likewise. (pop_from_top_level): Likewise. (identifier_type_value): Likewise. (set_identifier_type_value): Likewise. (set_identifier_type_value_with_scope): Likewise. (pop_everything): Likewise. (pushtag): Likewise. (follow_tag_typedef): Likewise. (maybe_process_template_type_declaration): Likewise. (pop_binding): Likewise. * cp-tree.h: Move corresponding declarations to name-lookup.h From-SVN: r72426
Diffstat (limited to 'gcc/cp/decl.c')
-rw-r--r--gcc/cp/decl.c2268
1 files changed, 4 insertions, 2264 deletions
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 872fed0..bcd0a5f 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -55,14 +55,10 @@ Boston, MA 02111-1307, USA. */
static tree grokparms (tree);
static const char *redeclaration_error_message (tree, tree);
-static void resume_binding_level (struct cp_binding_level *);
static int decl_jump_unsafe (tree);
-static void storedecls (tree);
static void require_complete_types_for_parms (tree);
static int ambi_op_p (enum tree_code);
static int unary_op_p (enum tree_code);
-static cxx_saved_binding *store_bindings (tree, cxx_saved_binding *);
-static tree lookup_tag_reverse (tree, tree);
static void push_local_name (tree);
static void warn_extern_redeclared_static (tree, tree);
static tree grok_reference_init (tree, tree, tree, tree *);
@@ -70,11 +66,6 @@ static tree grokfndecl (tree, tree, tree, tree, int,
enum overload_flags, tree,
tree, int, int, int, int, int, int, tree);
static tree grokvardecl (tree, tree, RID_BIT_TYPE *, int, int, tree);
-static tree follow_tag_typedef (tree);
-static tree lookup_tag (enum tree_code, tree,
- struct cp_binding_level *, int);
-static void set_identifier_type_value_with_scope
- (tree, tree, struct cp_binding_level *);
static void record_unknown_type (tree, const char *);
static tree builtin_function_1 (const char *, tree, tree, int,
enum built_in_class, const char *,
@@ -83,24 +74,15 @@ static tree build_library_fn_1 (tree, enum tree_code, tree);
static int member_function_or_else (tree, tree, enum overload_flags);
static void bad_specifiers (tree, const char *, int, int, int, int,
int);
-static tree maybe_process_template_type_declaration
- (tree, int, struct cp_binding_level*);
static void check_for_uninitialized_const_var (tree);
static hashval_t typename_hash (const void *);
static int typename_compare (const void *, const void *);
-static void push_binding (tree, tree, struct cp_binding_level*);
-static void pop_binding (tree, tree);
static tree local_variable_p_walkfn (tree *, int *, void *);
-static tree select_decl (cxx_binding *, int);
-static int lookup_flags (int, int);
-static tree qualify_lookup (tree, int);
static tree record_builtin_java_type (const char *, int);
static const char *tag_name (enum tag_types code);
-static struct cp_binding_level *innermost_nonclass_level (void);
static int walk_namespaces_r (tree, walk_namespaces_fn, void *);
static int walk_globals_r (tree, void*);
static int walk_vtables_r (tree, void*);
-static void add_decl_to_level (tree, struct cp_binding_level *);
static tree make_label_decl (tree, int);
static void use_label (tree);
static void check_previous_goto_1 (tree, struct cp_binding_level *, tree,
@@ -193,10 +175,10 @@ tree cp_global_trees[CPTI_MAX];
/* Indicates that there is a type value in some namespace, although
that is not necessarily in scope at the moment. */
-static GTY(()) tree global_type_node;
+tree global_type_node;
/* The node that holds the "name" of the global scope. */
-static GTY(()) tree global_scope_name;
+tree global_scope_name;
/* Used only for jumps to as-yet undefined labels, since jumps to
defined labels can have their validity checked immediately. */
@@ -278,331 +260,12 @@ int adding_implicit_members = 0;
bool have_extern_spec;
-/* A chain of binding_level structures awaiting reuse. */
-
-static GTY((deletable (""))) struct cp_binding_level *free_binding_level;
-
-/* true means unconditionally make a BLOCK for the next level pushed. */
-
-static bool keep_next_level_flag;
-
/* A TREE_LIST of VAR_DECLs. The TREE_PURPOSE is a RECORD_TYPE or
UNION_TYPE; the TREE_VALUE is a VAR_DECL with that type. At the
time the VAR_DECL was declared, the type was incomplete. */
static GTY(()) tree incomplete_vars;
-
-#ifndef ENABLE_SCOPE_CHECKING
-# define ENABLE_SCOPE_CHECKING 0
-#else
-# define ENABLE_SCOPE_CHECKING 1
-#endif
-
-static int binding_depth = 0;
-static int is_class_level = 0;
-
-static void
-indent (int depth)
-{
- int i;
-
- for (i = 0; i < depth * 2; i++)
- putc (' ', stderr);
-}
-
-static tree pushdecl_with_scope (tree, struct cp_binding_level *);
-
-/* Return a string describing the kind of SCOPE we have. */
-static const char *
-cxx_scope_descriptor (cxx_scope *scope)
-{
- /* The order of this table must match the "scope_kind"
- enumerators. */
- static const char* scope_kind_names[] = {
- "block-scope",
- "cleanup-scope",
- "try-scope",
- "catch-scope",
- "for-scope",
- "function-parameter-scope",
- "class-scope",
- "namespace-scope",
- "template-parameter-scope",
- "template-explicit-spec-scope"
- };
- const scope_kind kind = scope->explicit_spec_p
- ? sk_template_spec : scope->kind;
-
- return scope_kind_names[kind];
-}
-
-/* Output a debugging information about SCOPE when performning
- ACTION at LINE. */
-static void
-cxx_scope_debug (cxx_scope *scope, int line, const char *action)
-{
- const char *desc = cxx_scope_descriptor (scope);
- if (scope->this_entity)
- verbatim ("%s %s(%E) %p %d\n", action, desc,
- scope->this_entity, (void *) scope, line);
- else
- verbatim ("%s %s %p %d\n", action, desc, (void *) scope, line);
-}
-
-/* Return the estimated initial size of the hashtable of a NAMESPACE
- scope. */
-
-static inline size_t
-namespace_scope_ht_size (tree ns)
-{
- tree name = DECL_NAME (ns);
-
- return name == std_identifier
- ? NAMESPACE_STD_HT_SIZE
- : (name == global_scope_name
- ? GLOBAL_SCOPE_HT_SIZE
- : NAMESPACE_ORDINARY_HT_SIZE);
-}
-
-/* Create a new KIND scope and make it the top of the active scopes stack.
- ENTITY is the scope of the associated C++ entity (namespace, class,
- function); it is NULL otherwise. */
-
-cxx_scope *
-begin_scope (scope_kind kind, tree entity)
-{
- cxx_scope *scope;
-
- /* Reuse or create a struct for this binding level. */
- if (!ENABLE_SCOPE_CHECKING && free_binding_level)
- {
- scope = free_binding_level;
- free_binding_level = scope->level_chain;
- }
- else
- scope = ggc_alloc (sizeof (cxx_scope));
- memset (scope, 0, sizeof (cxx_scope));
-
- scope->this_entity = entity;
- scope->more_cleanups_ok = true;
- switch (kind)
- {
- case sk_cleanup:
- scope->keep = true;
- break;
-
- case sk_template_spec:
- scope->explicit_spec_p = true;
- kind = sk_template_parms;
- /* fall through */
- case sk_template_parms:
- case sk_block:
- case sk_try:
- case sk_catch:
- case sk_for:
- case sk_class:
- case sk_function_parms:
- scope->keep = keep_next_level_flag;
- break;
-
- case sk_namespace:
- scope->type_decls = binding_table_new (namespace_scope_ht_size (entity));
- NAMESPACE_LEVEL (entity) = scope;
- VARRAY_TREE_INIT (scope->static_decls,
- DECL_NAME (entity) == std_identifier
- || DECL_NAME (entity) == global_scope_name
- ? 200 : 10,
- "Static declarations");
- break;
-
- default:
- /* Should not happen. */
- my_friendly_assert (false, 20030922);
- break;
- }
- scope->kind = kind;
-
- /* Add it to the front of currently active scopes stack. */
- scope->level_chain = current_binding_level;
- current_binding_level = scope;
- keep_next_level_flag = false;
-
- if (ENABLE_SCOPE_CHECKING)
- {
- scope->binding_depth = binding_depth;
- indent (binding_depth);
- cxx_scope_debug (scope, input_location.line, "push");
- is_class_level = 0;
- binding_depth++;
- }
-
- return scope;
-}
-
-/* We're about to leave current scope. Pop the top of the stack of
- currently active scopes. Return the enclosing scope, now active. */
-
-static cxx_scope *
-leave_scope (void)
-{
- cxx_scope *scope = current_binding_level;
-
- if (scope->kind == sk_namespace && class_binding_level)
- current_binding_level = class_binding_level;
-
- /* We cannot leave a scope, if there are none left. */
- if (NAMESPACE_LEVEL (global_namespace))
- my_friendly_assert (!global_scope_p (scope), 20030527);
-
- if (ENABLE_SCOPE_CHECKING)
- {
- indent (--binding_depth);
- cxx_scope_debug (scope, input_location.line, "leave");
- if (is_class_level != (scope == class_binding_level))
- {
- indent (binding_depth);
- verbatim ("XXX is_class_level != (current_scope == class_scope)\n");
- }
- is_class_level = 0;
- }
-
- /* Move one nesting level up. */
- current_binding_level = scope->level_chain;
-
- /* Namespace-scopes are left most probably temporarily, not completely;
- they can be reopen later, e.g. in namespace-extension or any name
- binding acttivity that requires us to resume a namespace. For other
- scopes, we just make the structure available for reuse. */
- if (scope->kind != sk_namespace)
- {
- scope->level_chain = free_binding_level;
- if (scope->kind == sk_class)
- scope->type_decls = NULL;
- else
- binding_table_free (scope->type_decls);
- my_friendly_assert (!ENABLE_SCOPE_CHECKING
- || scope->binding_depth == binding_depth,
- 20030529);
- free_binding_level = scope;
- }
-
- /* Find the innermost enclosing class scope, and reset
- CLASS_BINDING_LEVEL appropriately. */
- for (scope = current_binding_level;
- scope && scope->kind != sk_class;
- scope = scope->level_chain)
- ;
- class_binding_level = scope && scope->kind == sk_class ? scope : NULL;
-
- return current_binding_level;
-}
-
-static void
-resume_binding_level (struct cp_binding_level* b)
-{
- /* Resuming binding levels is meant only for namespaces,
- and those cannot nest into classes. */
- my_friendly_assert(!class_binding_level, 386);
- /* Also, resuming a non-directly nested namespace is a no-no. */
- my_friendly_assert(b->level_chain == current_binding_level, 386);
- current_binding_level = b;
- if (ENABLE_SCOPE_CHECKING)
- {
- b->binding_depth = binding_depth;
- indent (binding_depth);
- cxx_scope_debug (b, input_location.line, "resume");
- is_class_level = 0;
- binding_depth++;
- }
-}
-/* Nonzero if we are currently in the global binding level. */
-
-int
-global_bindings_p (void)
-{
- return global_scope_p (current_binding_level);
-}
-
-/* Return the innermost binding level that is not for a class scope. */
-
-static struct cp_binding_level *
-innermost_nonclass_level (void)
-{
- struct cp_binding_level *b;
-
- b = current_binding_level;
- while (b->kind == sk_class)
- b = b->level_chain;
-
- return b;
-}
-
-/* Nonzero if we are currently in a toplevel binding level. This
- means either the global binding level or a namespace in a toplevel
- binding level. Since there are no non-toplevel namespace levels,
- this really means any namespace or template parameter level. We
- also include a class whose context is toplevel. */
-
-int
-toplevel_bindings_p (void)
-{
- struct cp_binding_level *b = innermost_nonclass_level ();
-
- return b->kind == sk_namespace || b->kind == sk_template_parms;
-}
-
-/* Nonzero if this is a namespace scope, or if we are defining a class
- which is itself at namespace scope, or whose enclosing class is
- such a class, etc. */
-
-int
-namespace_bindings_p (void)
-{
- struct cp_binding_level *b = innermost_nonclass_level ();
-
- return b->kind == sk_namespace;
-}
-
-/* If KEEP is true, make a BLOCK node for the next binding level,
- unconditionally. Otherwise, use the normal logic to decide whether
- or not to create a BLOCK. */
-
-void
-keep_next_level (bool keep)
-{
- keep_next_level_flag = keep;
-}
-
-/* Nonzero if the current level needs to have a BLOCK made. */
-
-int
-kept_level_p (void)
-{
- return (current_binding_level->blocks != NULL_TREE
- || current_binding_level->keep
- || current_binding_level->kind == sk_cleanup
- || current_binding_level->names != NULL_TREE
- || current_binding_level->type_decls != NULL);
-}
-
-/* Returns the kind of the innermost scope. */
-
-scope_kind
-innermost_scope_kind (void)
-{
- return current_binding_level->kind;
-}
-
-/* Returns nonzero if this scope was created to store template
- parameters. */
-
-int
-template_parm_scope_p (void)
-{
- return innermost_scope_kind () == sk_template_parms;
-}
-
/* Returns the kind of template specialization we are currently
processing, given that it's declaration contained N_CLASS_SCOPES
explicit scope qualifications. */
@@ -693,28 +356,6 @@ current_tmpl_spec_kind (int n_class_scopes)
return innermost_specialization_p ? tsk_expl_spec : tsk_template;
}
-void
-set_class_shadows (tree shadows)
-{
- class_binding_level->class_shadowed = shadows;
-}
-
-/* We're defining an object of type TYPE. If it needs a cleanup, but
- we're not allowed to add any more objects with cleanups to the current
- scope, create a new binding level. */
-
-void
-maybe_push_cleanup_level (tree type)
-{
- if (TYPE_HAS_NONTRIVIAL_DESTRUCTOR (type)
- && current_binding_level->more_cleanups_ok == 0)
- {
- begin_scope (sk_cleanup, NULL);
- clear_last_expr ();
- add_scope_stmt (/*begin_p=*/1, /*partial_p=*/1);
- }
-}
-
/* Exit the current scope. */
void
@@ -723,192 +364,6 @@ finish_scope (void)
poplevel (0, 0, 0);
}
-/* Make DECL the innermost binding for ID. The LEVEL is the binding
- level at which this declaration is being bound. */
-
-static void
-push_binding (tree id, tree decl, cxx_scope* level)
-{
- cxx_binding *binding = cxx_binding_make (decl, NULL);
-
- /* Now, fill in the binding information. */
- binding->previous = IDENTIFIER_BINDING (id);
- binding->scope = level;
- INHERITED_VALUE_BINDING_P (binding) = 0;
- LOCAL_BINDING_P (binding) = (level != class_binding_level);
-
- /* And put it on the front of the list of bindings for ID. */
- IDENTIFIER_BINDING (id) = binding;
-}
-
-/* Add DECL to the list of things declared in B. */
-
-static void
-add_decl_to_level (tree decl,
- struct cp_binding_level* b)
-{
- if (TREE_CODE (decl) == NAMESPACE_DECL
- && !DECL_NAMESPACE_ALIAS (decl))
- {
- TREE_CHAIN (decl) = b->namespaces;
- b->namespaces = decl;
- }
- else if (TREE_CODE (decl) == VAR_DECL && DECL_VIRTUAL_P (decl))
- {
- TREE_CHAIN (decl) = b->vtables;
- b->vtables = decl;
- }
- else
- {
- /* We build up the list in reverse order, and reverse it later if
- necessary. */
- TREE_CHAIN (decl) = b->names;
- b->names = decl;
- b->names_size++;
-
- /* If appropriate, add decl to separate list of statics */
- if (b->kind == sk_namespace)
- if ((TREE_CODE (decl) == VAR_DECL && TREE_STATIC (decl))
- || (TREE_CODE (decl) == FUNCTION_DECL
- && (!TREE_PUBLIC (decl) || DECL_DECLARED_INLINE_P (decl))))
- VARRAY_PUSH_TREE (b->static_decls, decl);
- }
-}
-
-/* Bind DECL to ID in the current_binding_level, assumed to be a local
- binding level. If PUSH_USING is set in FLAGS, we know that DECL
- doesn't really belong to this binding level, that it got here
- through a using-declaration. */
-
-void
-push_local_binding (tree id, tree decl, int flags)
-{
- struct cp_binding_level *b;
-
- /* Skip over any local classes. This makes sense if we call
- push_local_binding with a friend decl of a local class. */
- b = innermost_nonclass_level ();
-
- if (lookup_name_current_level (id))
- {
- /* Supplement the existing binding. */
- if (!supplement_binding (IDENTIFIER_BINDING (id), decl))
- /* It didn't work. Something else must be bound at this
- level. Do not add DECL to the list of things to pop
- later. */
- return;
- }
- else
- /* Create a new binding. */
- push_binding (id, decl, b);
-
- if (TREE_CODE (decl) == OVERLOAD || (flags & PUSH_USING))
- /* We must put the OVERLOAD into a TREE_LIST since the
- TREE_CHAIN of an OVERLOAD is already used. Similarly for
- decls that got here through a using-declaration. */
- decl = build_tree_list (NULL_TREE, decl);
-
- /* And put DECL on the list of things declared by the current
- binding level. */
- add_decl_to_level (decl, b);
-}
-
-/* Bind DECL to ID in the class_binding_level. Returns nonzero if the
- binding was successful. */
-
-int
-push_class_binding (tree id, tree decl)
-{
- int result = 1;
- cxx_binding *binding = IDENTIFIER_BINDING (id);
- tree context;
-
- timevar_push (TV_NAME_LOOKUP);
- /* Note that we declared this value so that we can issue an error if
- this is an invalid redeclaration of a name already used for some
- other purpose. */
- note_name_declared_in_class (id, decl);
-
- if (binding && binding->scope == class_binding_level)
- /* Supplement the existing binding. */
- result = supplement_binding (IDENTIFIER_BINDING (id), decl);
- else
- /* Create a new binding. */
- push_binding (id, decl, class_binding_level);
-
- /* Update the IDENTIFIER_CLASS_VALUE for this ID to be the
- class-level declaration. Note that we do not use DECL here
- because of the possibility of the `struct stat' hack; if DECL is
- a class-name or enum-name we might prefer a field-name, or some
- such. */
- IDENTIFIER_CLASS_VALUE (id) = IDENTIFIER_BINDING (id)->value;
-
- /* If this is a binding from a base class, mark it as such. */
- binding = IDENTIFIER_BINDING (id);
- if (binding->value == decl && TREE_CODE (decl) != TREE_LIST)
- {
- if (TREE_CODE (decl) == OVERLOAD)
- context = CP_DECL_CONTEXT (OVL_CURRENT (decl));
- else
- {
- my_friendly_assert (DECL_P (decl), 0);
- context = context_for_name_lookup (decl);
- }
-
- if (is_properly_derived_from (current_class_type, context))
- INHERITED_VALUE_BINDING_P (binding) = 1;
- else
- INHERITED_VALUE_BINDING_P (binding) = 0;
- }
- else if (binding->value == decl)
- /* We only encounter a TREE_LIST when push_class_decls detects an
- ambiguity. Such an ambiguity can be overridden by a definition
- in this class. */
- INHERITED_VALUE_BINDING_P (binding) = 1;
-
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, result);
-}
-
-/* Remove the binding for DECL which should be the innermost binding
- for ID. */
-
-static void
-pop_binding (tree id, tree decl)
-{
- cxx_binding *binding;
-
- if (id == NULL_TREE)
- /* It's easiest to write the loops that call this function without
- checking whether or not the entities involved have names. We
- get here for such an entity. */
- return;
-
- /* Get the innermost binding for ID. */
- binding = IDENTIFIER_BINDING (id);
-
- /* The name should be bound. */
- my_friendly_assert (binding != NULL, 0);
-
- /* The DECL will be either the ordinary binding or the type
- binding for this identifier. Remove that binding. */
- if (binding->value == decl)
- binding->value = NULL_TREE;
- else if (binding->type == decl)
- binding->type = NULL_TREE;
- else
- abort ();
-
- if (!binding->value && !binding->type)
- {
- /* We're completely done with the innermost binding for this
- identifier. Unhook it from the list of bindings. */
- IDENTIFIER_BINDING (id) = binding->previous;
-
- /* Add it to the free list. */
- cxx_binding_free (binding);
- }
-}
-
/* When a label goes out of scope, check to see if that label was used
in a valid manner, and issue any appropriate warnings or errors. */
@@ -1319,109 +774,6 @@ set_block (tree block ATTRIBUTE_UNUSED )
but it is not applicable in function-at-a-time mode. */
}
-/* Do a pushlevel for class declarations. */
-
-void
-pushlevel_class (void)
-{
- if (ENABLE_SCOPE_CHECKING)
- is_class_level = 1;
-
- class_binding_level = begin_scope (sk_class, current_class_type);
-}
-
-/* ...and a poplevel for class declarations. */
-
-void
-poplevel_class (void)
-{
- register struct cp_binding_level *level = class_binding_level;
- tree shadowed;
-
- timevar_push (TV_NAME_LOOKUP);
- my_friendly_assert (level != 0, 354);
-
- /* If we're leaving a toplevel class, don't bother to do the setting
- of IDENTIFIER_CLASS_VALUE to NULL_TREE, since first of all this slot
- shouldn't even be used when current_class_type isn't set, and second,
- if we don't touch it here, we're able to use the cache effect if the
- next time we're entering a class scope, it is the same class. */
- if (current_class_depth != 1)
- {
- struct cp_binding_level* b;
-
- /* Clear out our IDENTIFIER_CLASS_VALUEs. */
- for (shadowed = level->class_shadowed;
- shadowed;
- shadowed = TREE_CHAIN (shadowed))
- IDENTIFIER_CLASS_VALUE (TREE_PURPOSE (shadowed)) = NULL_TREE;
-
- /* Find the next enclosing class, and recreate
- IDENTIFIER_CLASS_VALUEs appropriate for that class. */
- b = level->level_chain;
- while (b && b->kind != sk_class)
- b = b->level_chain;
-
- if (b)
- for (shadowed = b->class_shadowed;
- shadowed;
- shadowed = TREE_CHAIN (shadowed))
- {
- cxx_binding *binding;
-
- binding = IDENTIFIER_BINDING (TREE_PURPOSE (shadowed));
- while (binding && binding->scope != b)
- binding = binding->previous;
-
- if (binding)
- IDENTIFIER_CLASS_VALUE (TREE_PURPOSE (shadowed))
- = binding->value;
- }
- }
- else
- /* Remember to save what IDENTIFIER's were bound in this scope so we
- can recover from cache misses. */
- {
- previous_class_type = current_class_type;
- previous_class_values = class_binding_level->class_shadowed;
- }
- for (shadowed = level->type_shadowed;
- shadowed;
- shadowed = TREE_CHAIN (shadowed))
- SET_IDENTIFIER_TYPE_VALUE (TREE_PURPOSE (shadowed), TREE_VALUE (shadowed));
-
- /* Remove the bindings for all of the class-level declarations. */
- for (shadowed = level->class_shadowed;
- shadowed;
- shadowed = TREE_CHAIN (shadowed))
- pop_binding (TREE_PURPOSE (shadowed), TREE_TYPE (shadowed));
-
- /* Now, pop out of the binding level which we created up in the
- `pushlevel_class' routine. */
- if (ENABLE_SCOPE_CHECKING)
- is_class_level = 1;
-
- leave_scope ();
- timevar_pop (TV_NAME_LOOKUP);
-}
-
-/* We are entering the scope of a class. Clear IDENTIFIER_CLASS_VALUE
- for any names in enclosing classes. */
-
-void
-clear_identifier_class_values (void)
-{
- tree t;
-
- if (!class_binding_level)
- return;
-
- for (t = class_binding_level->class_shadowed;
- t;
- t = TREE_CHAIN (t))
- IDENTIFIER_CLASS_VALUE (TREE_PURPOSE (t)) = NULL_TREE;
-}
-
/* Returns nonzero if T is a virtual function table. */
int
@@ -1441,14 +793,6 @@ vtype_decl_p (tree t, void *data ATTRIBUTE_UNUSED )
&& TYPE_POLYMORPHIC_P (TREE_TYPE (t)));
}
-/* Return the declarations that are members of the namespace NS. */
-
-tree
-cp_namespace_decls (tree ns)
-{
- return NAMESPACE_LEVEL (ns)->names;
-}
-
struct walk_globals_data {
walk_globals_pred p;
walk_globals_fn f;
@@ -1585,599 +929,6 @@ wrapup_globals_for_namespace (tree namespace, void* data)
}
-/* For debugging. */
-static int no_print_functions = 0;
-static int no_print_builtins = 0;
-
-/* Called from print_binding_level through binding_table_foreach to
- print the content of binding ENTRY. DATA is a pointer to line offset
- marker. */
-static void
-bt_print_entry (binding_entry entry, void *data)
-{
- int *p = (int *) data;
- int len;
-
- if (entry->name == NULL)
- len = 3;
- else if (entry->name == TYPE_IDENTIFIER (entry->type))
- len = 2;
- else
- len = 4;
- len = 4;
-
- *p += len;
-
- if (*p > 5)
- {
- fprintf (stderr, "\n\t");
- *p = len;
- }
- if (entry->name == NULL)
- {
- print_node_brief (stderr, "<unnamed-typedef", entry->type, 0);
- fprintf (stderr, ">");
- }
- else if (entry->name == TYPE_IDENTIFIER (entry->type))
- print_node_brief (stderr, "", entry->type, 0);
- else
- {
- print_node_brief (stderr, "<typedef", entry->name, 0);
- print_node_brief (stderr, "", entry->type, 0);
- fprintf (stderr, ">");
- }
-}
-
-void
-print_binding_level (struct cp_binding_level* lvl)
-{
- tree t;
- int i = 0, len;
- fprintf (stderr, " blocks=" HOST_PTR_PRINTF, (void *) lvl->blocks);
- if (lvl->more_cleanups_ok)
- fprintf (stderr, " more-cleanups-ok");
- if (lvl->have_cleanups)
- fprintf (stderr, " have-cleanups");
- fprintf (stderr, "\n");
- if (lvl->names)
- {
- fprintf (stderr, " names:\t");
- /* We can probably fit 3 names to a line? */
- for (t = lvl->names; t; t = TREE_CHAIN (t))
- {
- if (no_print_functions && (TREE_CODE (t) == FUNCTION_DECL))
- continue;
- if (no_print_builtins
- && (TREE_CODE (t) == TYPE_DECL)
- && (!strcmp (DECL_SOURCE_FILE (t),"<built-in>")))
- continue;
-
- /* Function decls tend to have longer names. */
- if (TREE_CODE (t) == FUNCTION_DECL)
- len = 3;
- else
- len = 2;
- i += len;
- if (i > 6)
- {
- fprintf (stderr, "\n\t");
- i = len;
- }
- print_node_brief (stderr, "", t, 0);
- if (t == error_mark_node)
- break;
- }
- if (i)
- fprintf (stderr, "\n");
- }
- if (lvl->type_decls)
- {
- fprintf (stderr, " tags:\t");
- i = 0;
- binding_table_foreach (lvl->type_decls, bt_print_entry, &i);
- if (i)
- fprintf (stderr, "\n");
- }
- if (lvl->class_shadowed)
- {
- fprintf (stderr, " class-shadowed:");
- for (t = lvl->class_shadowed; t; t = TREE_CHAIN (t))
- {
- fprintf (stderr, " %s ", IDENTIFIER_POINTER (TREE_PURPOSE (t)));
- }
- fprintf (stderr, "\n");
- }
- if (lvl->type_shadowed)
- {
- fprintf (stderr, " type-shadowed:");
- for (t = lvl->type_shadowed; t; t = TREE_CHAIN (t))
- {
- fprintf (stderr, " %s ", IDENTIFIER_POINTER (TREE_PURPOSE (t)));
- }
- fprintf (stderr, "\n");
- }
-}
-
-void
-print_other_binding_stack (struct cp_binding_level *stack)
-{
- struct cp_binding_level *level;
- for (level = stack; !global_scope_p (level); level = level->level_chain)
- {
- fprintf (stderr, "binding level " HOST_PTR_PRINTF "\n", (void *) level);
- print_binding_level (level);
- }
-}
-
-void
-print_binding_stack (void)
-{
- struct cp_binding_level *b;
- fprintf (stderr, "current_binding_level=" HOST_PTR_PRINTF
- "\nclass_binding_level=" HOST_PTR_PRINTF
- "\nNAMESPACE_LEVEL (global_namespace)=" HOST_PTR_PRINTF "\n",
- (void *) current_binding_level, (void *) class_binding_level,
- (void *) NAMESPACE_LEVEL (global_namespace));
- if (class_binding_level)
- {
- for (b = class_binding_level; b; b = b->level_chain)
- if (b == current_binding_level)
- break;
- if (b)
- b = class_binding_level;
- else
- b = current_binding_level;
- }
- else
- b = current_binding_level;
- print_other_binding_stack (b);
- fprintf (stderr, "global:\n");
- print_binding_level (NAMESPACE_LEVEL (global_namespace));
-}
-
-/* Namespace binding access routines: The namespace_bindings field of
- the identifier is polymorphic, with three possible values:
- NULL_TREE, a list of "cxx_binding"s. */
-
-/* Push into the scope of the NAME namespace. If NAME is NULL_TREE, then we
- select a name that is unique to this compilation unit. */
-
-void
-push_namespace (tree name)
-{
- tree d = NULL_TREE;
- int need_new = 1;
- int implicit_use = 0;
-
- timevar_push (TV_NAME_LOOKUP);
-
- /* We should not get here if the global_namespace is not yet constructed
- nor if NAME designates the global namespace: The global scope is
- constructed elsewhere. */
- my_friendly_assert (global_namespace != NULL && name != global_scope_name,
- 20030531);
-
- if (!name)
- {
- /* The name of anonymous namespace is unique for the translation
- unit. */
- if (!anonymous_namespace_name)
- anonymous_namespace_name = get_file_function_name ('N');
- name = anonymous_namespace_name;
- d = IDENTIFIER_NAMESPACE_VALUE (name);
- if (d)
- /* Reopening anonymous namespace. */
- need_new = 0;
- implicit_use = 1;
- }
- else
- {
- /* Check whether this is an extended namespace definition. */
- d = IDENTIFIER_NAMESPACE_VALUE (name);
- if (d != NULL_TREE && TREE_CODE (d) == NAMESPACE_DECL)
- {
- need_new = 0;
- if (DECL_NAMESPACE_ALIAS (d))
- {
- error ("namespace alias `%D' not allowed here, assuming `%D'",
- d, DECL_NAMESPACE_ALIAS (d));
- d = DECL_NAMESPACE_ALIAS (d);
- }
- }
- }
-
- if (need_new)
- {
- /* Make a new namespace, binding the name to it. */
- d = build_lang_decl (NAMESPACE_DECL, name, void_type_node);
- DECL_CONTEXT (d) = FROB_CONTEXT (current_namespace);
- d = pushdecl (d);
- begin_scope (sk_namespace, d);
- }
- else
- resume_binding_level (NAMESPACE_LEVEL (d));
-
- if (implicit_use)
- do_using_directive (d);
- /* Enter the name space. */
- current_namespace = d;
-
- timevar_pop (TV_NAME_LOOKUP);
-}
-
-/* Pop from the scope of the current namespace. */
-
-void
-pop_namespace (void)
-{
- my_friendly_assert (current_namespace != global_namespace, 20010801);
- current_namespace = CP_DECL_CONTEXT (current_namespace);
- /* The binding level is not popped, as it might be re-opened later. */
- leave_scope ();
-}
-
-/* Push into the scope of the namespace NS, even if it is deeply
- nested within another namespace. */
-
-void
-push_nested_namespace (tree ns)
-{
- if (ns == global_namespace)
- push_to_top_level ();
- else
- {
- push_nested_namespace (CP_DECL_CONTEXT (ns));
- push_namespace (DECL_NAME (ns));
- }
-}
-
-/* Pop back from the scope of the namespace NS, which was previously
- entered with push_nested_namespace. */
-
-void
-pop_nested_namespace (tree ns)
-{
- timevar_push (TV_NAME_LOOKUP);
- while (ns != global_namespace)
- {
- pop_namespace ();
- ns = CP_DECL_CONTEXT (ns);
- }
-
- pop_from_top_level ();
- timevar_pop (TV_NAME_LOOKUP);
-}
-
-
-/* Allocate storage for saving a C++ binding. */
-#define cxx_saved_binding_make() \
- (ggc_alloc (sizeof (cxx_saved_binding)))
-
-struct cxx_saved_binding GTY(())
-{
- /* Link that chains saved C++ bindings for a given name into a stack. */
- cxx_saved_binding *previous;
- /* The name of the current binding. */
- tree identifier;
- /* The binding we're saving. */
- cxx_binding *binding;
- tree class_value;
- tree real_type_value;
-};
-
-/* Subroutines for reverting temporarily to top-level for instantiation
- of templates and such. We actually need to clear out the class- and
- local-value slots of all identifiers, so that only the global values
- are at all visible. Simply setting current_binding_level to the global
- scope isn't enough, because more binding levels may be pushed. */
-struct saved_scope *scope_chain;
-
-static cxx_saved_binding *
-store_bindings (tree names, cxx_saved_binding *old_bindings)
-{
- tree t;
- cxx_saved_binding *search_bindings = old_bindings;
-
- timevar_push (TV_NAME_LOOKUP);
- for (t = names; t; t = TREE_CHAIN (t))
- {
- tree id;
- cxx_saved_binding *saved;
- cxx_saved_binding *t1;
-
- if (TREE_CODE (t) == TREE_LIST)
- id = TREE_PURPOSE (t);
- else
- id = DECL_NAME (t);
-
- if (!id
- /* Note that we may have an IDENTIFIER_CLASS_VALUE even when
- we have no IDENTIFIER_BINDING if we have left the class
- scope, but cached the class-level declarations. */
- || !(IDENTIFIER_BINDING (id) || IDENTIFIER_CLASS_VALUE (id)))
- continue;
-
- for (t1 = search_bindings; t1; t1 = t1->previous)
- if (t1->identifier == id)
- goto skip_it;
-
- my_friendly_assert (TREE_CODE (id) == IDENTIFIER_NODE, 135);
- saved = cxx_saved_binding_make ();
- saved->previous = old_bindings;
- saved->identifier = id;
- saved->binding = IDENTIFIER_BINDING (id);
- saved->class_value = IDENTIFIER_CLASS_VALUE (id);;
- saved->real_type_value = REAL_IDENTIFIER_TYPE_VALUE (id);
- IDENTIFIER_BINDING (id) = NULL;
- IDENTIFIER_CLASS_VALUE (id) = NULL_TREE;
- old_bindings = saved;
- skip_it:
- ;
- }
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, old_bindings);
-}
-
-void
-maybe_push_to_top_level (int pseudo)
-{
- struct saved_scope *s;
- struct cp_binding_level *b;
- cxx_saved_binding *old_bindings;
- int need_pop;
-
- timevar_push (TV_NAME_LOOKUP);
- s = ggc_alloc_cleared (sizeof (struct saved_scope));
-
- b = scope_chain ? current_binding_level : 0;
-
- /* If we're in the middle of some function, save our state. */
- if (cfun)
- {
- need_pop = 1;
- push_function_context_to (NULL_TREE);
- }
- else
- need_pop = 0;
-
- old_bindings = NULL;
- if (scope_chain && previous_class_type)
- old_bindings = store_bindings (previous_class_values, old_bindings);
-
- /* Have to include the global scope, because class-scope decls
- aren't listed anywhere useful. */
- for (; b; b = b->level_chain)
- {
- tree t;
-
- /* Template IDs are inserted into the global level. If they were
- inserted into namespace level, finish_file wouldn't find them
- when doing pending instantiations. Therefore, don't stop at
- namespace level, but continue until :: . */
- if (global_scope_p (b) || (pseudo && b->kind == sk_template_parms))
- break;
-
- old_bindings = store_bindings (b->names, old_bindings);
- /* We also need to check class_shadowed to save class-level type
- bindings, since pushclass doesn't fill in b->names. */
- if (b->kind == sk_class)
- old_bindings = store_bindings (b->class_shadowed, old_bindings);
-
- /* Unwind type-value slots back to top level. */
- for (t = b->type_shadowed; t; t = TREE_CHAIN (t))
- SET_IDENTIFIER_TYPE_VALUE (TREE_PURPOSE (t), TREE_VALUE (t));
- }
- s->prev = scope_chain;
- s->old_bindings = old_bindings;
- s->bindings = b;
- s->need_pop_function_context = need_pop;
- s->function_decl = current_function_decl;
- s->last_parms = last_function_parms;
-
- scope_chain = s;
- current_function_decl = NULL_TREE;
- VARRAY_TREE_INIT (current_lang_base, 10, "current_lang_base");
- current_lang_name = lang_name_cplusplus;
- current_namespace = global_namespace;
- timevar_pop (TV_NAME_LOOKUP);
-}
-
-void
-push_to_top_level (void)
-{
- maybe_push_to_top_level (0);
-}
-
-void
-pop_from_top_level (void)
-{
- struct saved_scope *s = scope_chain;
- cxx_saved_binding *saved;
-
- timevar_push (TV_NAME_LOOKUP);
- /* Clear out class-level bindings cache. */
- if (previous_class_type)
- invalidate_class_lookup_cache ();
-
- current_lang_base = 0;
-
- scope_chain = s->prev;
- for (saved = s->old_bindings; saved; saved = saved->previous)
- {
- tree id = saved->identifier;
-
- IDENTIFIER_BINDING (id) = saved->binding;
- IDENTIFIER_CLASS_VALUE (id) = saved->class_value;
- SET_IDENTIFIER_TYPE_VALUE (id, saved->real_type_value);
- }
-
- /* If we were in the middle of compiling a function, restore our
- state. */
- if (s->need_pop_function_context)
- pop_function_context_from (NULL_TREE);
- current_function_decl = s->function_decl;
- last_function_parms = s->last_parms;
- timevar_pop (TV_NAME_LOOKUP);
-}
-
-/* Push a definition of struct, union or enum tag named ID. into
- binding_level B. DECL is a TYPE_DECL for the type. We assume that
- the tag ID is not already defined. */
-
-static void
-set_identifier_type_value_with_scope (tree id,
- tree decl,
- struct cp_binding_level* b)
-{
- tree type;
-
- if (b->kind != sk_namespace)
- {
- /* Shadow the marker, not the real thing, so that the marker
- gets restored later. */
- tree old_type_value = REAL_IDENTIFIER_TYPE_VALUE (id);
- b->type_shadowed
- = tree_cons (id, old_type_value, b->type_shadowed);
- type = decl ? TREE_TYPE (decl) : NULL_TREE;
- }
- else
- {
- cxx_binding *binding =
- binding_for_name (NAMESPACE_LEVEL (current_namespace), id);
- if (decl)
- {
- if (binding->value)
- supplement_binding (binding, decl);
- else
- binding->value = decl;
- }
- else
- abort ();
- /* Store marker instead of real type. */
- type = global_type_node;
- }
- SET_IDENTIFIER_TYPE_VALUE (id, type);
-}
-
-/* As set_identifier_type_value_with_scope, but using current_binding_level. */
-
-void
-set_identifier_type_value (tree id, tree decl)
-{
- set_identifier_type_value_with_scope (id, decl, current_binding_level);
-}
-
-/* Return the type associated with id. */
-
-tree
-identifier_type_value (tree id)
-{
- timevar_push (TV_NAME_LOOKUP);
- /* There is no type with that name, anywhere. */
- if (REAL_IDENTIFIER_TYPE_VALUE (id) == NULL_TREE)
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, NULL_TREE);
- /* This is not the type marker, but the real thing. */
- if (REAL_IDENTIFIER_TYPE_VALUE (id) != global_type_node)
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, REAL_IDENTIFIER_TYPE_VALUE (id));
- /* Have to search for it. It must be on the global level, now.
- Ask lookup_name not to return non-types. */
- id = lookup_name_real (id, 2, 1, 0, LOOKUP_COMPLAIN);
- if (id)
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, TREE_TYPE (id));
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, NULL_TREE);
-}
-
-/* Pop off extraneous binding levels left over due to syntax errors.
-
- We don't pop past namespaces, as they might be valid. */
-
-void
-pop_everything (void)
-{
- if (ENABLE_SCOPE_CHECKING)
- verbatim ("XXX entering pop_everything ()\n");
- while (!toplevel_bindings_p ())
- {
- if (current_binding_level->kind == sk_class)
- pop_nested_class ();
- else
- poplevel (0, 0, 0);
- }
- if (ENABLE_SCOPE_CHECKING)
- verbatim ("XXX leaving pop_everything ()\n");
-}
-
-/* The type TYPE is being declared. If it is a class template, or a
- specialization of a class template, do any processing required and
- perform error-checking. If IS_FRIEND is nonzero, this TYPE is
- being declared a friend. B is the binding level at which this TYPE
- should be bound.
-
- Returns the TYPE_DECL for TYPE, which may have been altered by this
- processing. */
-
-static tree
-maybe_process_template_type_declaration (tree type,
- int globalize,
- struct cp_binding_level* b)
-{
- tree decl = TYPE_NAME (type);
-
- if (processing_template_parmlist)
- /* You can't declare a new template type in a template parameter
- list. But, you can declare a non-template type:
-
- template <class A*> struct S;
-
- is a forward-declaration of `A'. */
- ;
- else
- {
- maybe_check_template_type (type);
-
- my_friendly_assert (IS_AGGR_TYPE (type)
- || TREE_CODE (type) == ENUMERAL_TYPE, 0);
-
-
- if (processing_template_decl)
- {
- /* This may change after the call to
- push_template_decl_real, but we want the original value. */
- tree name = DECL_NAME (decl);
-
- decl = push_template_decl_real (decl, globalize);
- /* If the current binding level is the binding level for the
- template parameters (see the comment in
- begin_template_parm_list) and the enclosing level is a class
- scope, and we're not looking at a friend, push the
- declaration of the member class into the class scope. In the
- friend case, push_template_decl will already have put the
- friend into global scope, if appropriate. */
- if (TREE_CODE (type) != ENUMERAL_TYPE
- && !globalize && b->kind == sk_template_parms
- && b->level_chain->kind == sk_class)
- {
- finish_member_declaration (CLASSTYPE_TI_TEMPLATE (type));
- /* Put this UDT in the table of UDTs for the class, since
- that won't happen below because B is not the class
- binding level, but is instead the pseudo-global level. */
- if (b->level_chain->type_decls == NULL)
- b->level_chain->type_decls =
- binding_table_new (SCOPE_DEFAULT_HT_SIZE);
- binding_table_insert (b->level_chain->type_decls, name, type);
- if (!COMPLETE_TYPE_P (current_class_type))
- {
- maybe_add_class_template_decl_list (current_class_type,
- type, /*friend_p=*/0);
- CLASSTYPE_NESTED_UTDS (current_class_type) =
- b->level_chain->type_decls;
- }
- }
- }
- }
-
- return decl;
-}
-
/* In C++, you don't have to write `struct S' to refer to `S'; you
can just use `S'. We accomplish this by creating a TYPE_DECL as
if the user had written `typedef struct S S'. Create and return
@@ -2237,130 +988,6 @@ push_local_name (tree decl)
timevar_pop (TV_NAME_LOOKUP);
}
-/* Push a tag name NAME for struct/class/union/enum type TYPE.
- Normally put it into the inner-most non-sk_cleanup scope,
- but if GLOBALIZE is true, put it in the inner-most non-class scope.
- The latter is needed for implicit declarations. */
-
-void
-pushtag (tree name, tree type, int globalize)
-{
- register struct cp_binding_level *b;
-
- timevar_push (TV_NAME_LOOKUP);
- b = current_binding_level;
- while (b->kind == sk_cleanup
- || (b->kind == sk_class
- && (globalize
- /* We may be defining a new type in the initializer
- of a static member variable. We allow this when
- not pedantic, and it is particularly useful for
- type punning via an anonymous union. */
- || COMPLETE_TYPE_P (b->this_entity))))
- b = b->level_chain;
-
- if (b->type_decls == NULL)
- b->type_decls = binding_table_new (SCOPE_DEFAULT_HT_SIZE);
- binding_table_insert (b->type_decls, name, type);
-
- if (name)
- {
- /* Do C++ gratuitous typedefing. */
- if (IDENTIFIER_TYPE_VALUE (name) != type)
- {
- register tree d = NULL_TREE;
- int in_class = 0;
- tree context = TYPE_CONTEXT (type);
-
- if (! context)
- {
- tree cs = current_scope ();
-
- if (! globalize)
- context = cs;
- else if (cs != NULL_TREE && TYPE_P (cs))
- /* When declaring a friend class of a local class, we want
- to inject the newly named class into the scope
- containing the local class, not the namespace scope. */
- context = decl_function_context (get_type_decl (cs));
- }
- if (!context)
- context = current_namespace;
-
- if (b->kind == sk_class
- || (b->kind == sk_template_parms
- && b->level_chain->kind == sk_class))
- in_class = 1;
-
- if (current_lang_name == lang_name_java)
- TYPE_FOR_JAVA (type) = 1;
-
- d = create_implicit_typedef (name, type);
- DECL_CONTEXT (d) = FROB_CONTEXT (context);
- if (! in_class)
- set_identifier_type_value_with_scope (name, d, b);
-
- d = maybe_process_template_type_declaration (type,
- globalize, b);
-
- if (b->kind == sk_class)
- {
- if (!PROCESSING_REAL_TEMPLATE_DECL_P ())
- /* Put this TYPE_DECL on the TYPE_FIELDS list for the
- class. But if it's a member template class, we
- want the TEMPLATE_DECL, not the TYPE_DECL, so this
- is done later. */
- finish_member_declaration (d);
- else
- pushdecl_class_level (d);
- }
- else
- d = pushdecl_with_scope (d, b);
-
- /* FIXME what if it gets a name from typedef? */
- if (ANON_AGGRNAME_P (name))
- DECL_IGNORED_P (d) = 1;
-
- TYPE_CONTEXT (type) = DECL_CONTEXT (d);
-
- /* If this is a local class, keep track of it. We need this
- information for name-mangling, and so that it is possible to find
- all function definitions in a translation unit in a convenient
- way. (It's otherwise tricky to find a member function definition
- it's only pointed to from within a local class.) */
- if (TYPE_CONTEXT (type)
- && TREE_CODE (TYPE_CONTEXT (type)) == FUNCTION_DECL
- && !processing_template_decl)
- VARRAY_PUSH_TREE (local_classes, type);
- }
- if (b->kind == sk_class
- && !COMPLETE_TYPE_P (current_class_type))
- {
- maybe_add_class_template_decl_list (current_class_type,
- type, /*friend_p=*/0);
- CLASSTYPE_NESTED_UTDS (current_class_type) = b->type_decls;
- }
- }
-
- if (TREE_CODE (TYPE_NAME (type)) == TYPE_DECL)
- /* Use the canonical TYPE_DECL for this node. */
- TYPE_STUB_DECL (type) = TYPE_NAME (type);
- else
- {
- /* Create a fake NULL-named TYPE_DECL node whose TREE_TYPE
- will be the tagged type we just added to the current
- binding level. This fake NULL-named TYPE_DECL node helps
- dwarfout.c to know when it needs to output a
- representation of a tagged type, and it also gives us a
- convenient place to record the "scope start" address for
- the tagged type. */
-
- tree d = build_decl (TYPE_DECL, NULL_TREE, type);
- TYPE_STUB_DECL (type) = pushdecl_with_scope (d, b);
- }
- timevar_pop (TV_NAME_LOOKUP);
-}
-
/* Counter used to create anonymous type names. */
static GTY(()) int anon_cnt;
@@ -3776,81 +2403,6 @@ pushdecl (tree x)
POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, x);
}
-/* Same as pushdecl, but define X in binding-level LEVEL. We rely on the
- caller to set DECL_CONTEXT properly. */
-
-static tree
-pushdecl_with_scope (tree x, struct cp_binding_level* level)
-{
- register struct cp_binding_level *b;
- tree function_decl = current_function_decl;
-
- timevar_push (TV_NAME_LOOKUP);
- current_function_decl = NULL_TREE;
- if (level->kind == sk_class)
- {
- b = class_binding_level;
- class_binding_level = level;
- pushdecl_class_level (x);
- class_binding_level = b;
- }
- else
- {
- b = current_binding_level;
- current_binding_level = level;
- x = pushdecl (x);
- current_binding_level = b;
- }
- current_function_decl = function_decl;
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, x);
-}
-
-/* Like pushdecl, only it places X in the current namespace,
- if appropriate. */
-
-tree
-pushdecl_namespace_level (tree x)
-{
- register struct cp_binding_level *b = current_binding_level;
- register tree t;
-
- timevar_push (TV_NAME_LOOKUP);
- t = pushdecl_with_scope (x, NAMESPACE_LEVEL (current_namespace));
-
- /* Now, the type_shadowed stack may screw us. Munge it so it does
- what we want. */
- if (TREE_CODE (x) == TYPE_DECL)
- {
- tree name = DECL_NAME (x);
- tree newval;
- tree *ptr = (tree *)0;
- for (; !global_scope_p (b); b = b->level_chain)
- {
- tree shadowed = b->type_shadowed;
- for (; shadowed; shadowed = TREE_CHAIN (shadowed))
- if (TREE_PURPOSE (shadowed) == name)
- {
- ptr = &TREE_VALUE (shadowed);
- /* Can't break out of the loop here because sometimes
- a binding level will have duplicate bindings for
- PT names. It's gross, but I haven't time to fix it. */
- }
- }
- newval = TREE_TYPE (x);
- if (ptr == (tree *)0)
- {
- /* @@ This shouldn't be needed. My test case "zstring.cc" trips
- up here if this is changed to an assertion. --KR */
- SET_IDENTIFIER_TYPE_VALUE (name, x);
- }
- else
- {
- *ptr = newval;
- }
- }
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, t);
-}
-
/* Like pushdecl, only it places X in the global scope if appropriate.
Calls cp_finish_decl to register the variable, initializing it with
*INIT, if INIT is non-NULL. */
@@ -3885,48 +2437,6 @@ pushdecl_top_level_and_finish (tree x, tree init)
return pushdecl_top_level_1 (x, &init);
}
-/* Make the declaration of X appear in CLASS scope. */
-
-bool
-pushdecl_class_level (tree x)
-{
- tree name;
- bool is_valid = true;
-
- timevar_push (TV_NAME_LOOKUP);
- /* Get the name of X. */
- if (TREE_CODE (x) == OVERLOAD)
- name = DECL_NAME (get_first_fn (x));
- else
- name = DECL_NAME (x);
-
- if (name)
- {
- is_valid = push_class_level_binding (name, x);
- if (TREE_CODE (x) == TYPE_DECL)
- set_identifier_type_value (name, x);
- }
- else if (ANON_AGGR_TYPE_P (TREE_TYPE (x)))
- {
- /* If X is an anonymous aggregate, all of its members are
- treated as if they were members of the class containing the
- aggregate, for naming purposes. */
- tree f;
-
- for (f = TYPE_FIELDS (TREE_TYPE (x)); f; f = TREE_CHAIN (f))
- {
- location_t save_location = input_location;
- input_location = DECL_SOURCE_LOCATION (f);
- if (!pushdecl_class_level (f))
- is_valid = false;
- input_location = save_location;
- }
- }
- timevar_pop (TV_NAME_LOOKUP);
-
- return is_valid;
-}
-
/* Enter DECL into the symbol table, if that's appropriate. Returns
DECL, or a modified version thereof. */
@@ -3956,97 +2466,6 @@ maybe_push_decl (tree decl)
return pushdecl (decl);
}
-/* Make the declaration(s) of X appear in CLASS scope under the name
- NAME. Returns true if the binding is valid. */
-
-bool
-push_class_level_binding (tree name, tree x)
-{
- cxx_binding *binding;
-
- timevar_push (TV_NAME_LOOKUP);
- /* The class_binding_level will be NULL if x is a template
- parameter name in a member template. */
- if (!class_binding_level)
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, true);
-
- /* Make sure that this new member does not have the same name
- as a template parameter. */
- if (TYPE_BEING_DEFINED (current_class_type))
- check_template_shadow (x);
-
- /* If this declaration shadows a declaration from an enclosing
- class, then we will need to restore IDENTIFIER_CLASS_VALUE when
- we leave this class. Record the shadowed declaration here. */
- binding = IDENTIFIER_BINDING (name);
- if (binding && binding->value)
- {
- tree bval = binding->value;
- tree old_decl = NULL_TREE;
-
- if (INHERITED_VALUE_BINDING_P (binding))
- {
- /* If the old binding was from a base class, and was for a
- tag name, slide it over to make room for the new binding.
- The old binding is still visible if explicitly qualified
- with a class-key. */
- if (TREE_CODE (bval) == TYPE_DECL && DECL_ARTIFICIAL (bval)
- && !(TREE_CODE (x) == TYPE_DECL && DECL_ARTIFICIAL (x)))
- {
- old_decl = binding->type;
- binding->type = bval;
- binding->value = NULL_TREE;
- INHERITED_VALUE_BINDING_P (binding) = 0;
- }
- else
- old_decl = bval;
- }
- else if (TREE_CODE (x) == OVERLOAD && is_overloaded_fn (bval))
- old_decl = bval;
- else if (TREE_CODE (x) == USING_DECL && TREE_CODE (bval) == USING_DECL)
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, true);
- else if (TREE_CODE (x) == USING_DECL && is_overloaded_fn (bval))
- old_decl = bval;
- else if (TREE_CODE (bval) == USING_DECL && is_overloaded_fn (x))
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, true);
-
- if (old_decl)
- {
- tree shadow;
-
- /* Find the previous binding of name on the class-shadowed
- list, and update it. */
- for (shadow = class_binding_level->class_shadowed;
- shadow;
- shadow = TREE_CHAIN (shadow))
- if (TREE_PURPOSE (shadow) == name
- && TREE_TYPE (shadow) == old_decl)
- {
- binding->value = x;
- INHERITED_VALUE_BINDING_P (binding) = 0;
- TREE_TYPE (shadow) = x;
- IDENTIFIER_CLASS_VALUE (name) = x;
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, true);
- }
- }
- }
-
- /* If we didn't replace an existing binding, put the binding on the
- stack of bindings for the identifier, and update the shadowed list. */
- if (push_class_binding (name, x))
- {
- class_binding_level->class_shadowed
- = tree_cons (name, NULL,
- class_binding_level->class_shadowed);
- /* Record the value we are binding NAME to so that we can know
- what to pop later. */
- TREE_TYPE (class_binding_level->class_shadowed) = x;
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, true);
- }
-
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, false);
-}
-
/* Insert another USING_DECL into the current binding level, returning
this declaration. If this is a redeclaration, do nothing, and
return NULL_TREE if this not in namespace scope (in namespace
@@ -4073,33 +2492,6 @@ push_using_decl (tree scope, tree name)
POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, decl);
}
-/* Add namespace to using_directives. Return NULL_TREE if nothing was
- changed (i.e. there was already a directive), or the fresh
- TREE_LIST otherwise. */
-
-tree
-push_using_directive (tree used)
-{
- tree ud = current_binding_level->using_directives;
- tree iter, ancestor;
-
- timevar_push (TV_NAME_LOOKUP);
- /* Check if we already have this. */
- if (purpose_member (used, ud) != NULL_TREE)
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, NULL_TREE);
-
- ancestor = namespace_ancestor (current_decl_namespace (), used);
- ud = current_binding_level->using_directives;
- ud = tree_cons (used, ancestor, ud);
- current_binding_level->using_directives = ud;
-
- /* Recursively add all namespaces used. */
- for (iter = DECL_NAMESPACE_USING (used); iter; iter = TREE_CHAIN (iter))
- push_using_directive (TREE_PURPOSE (iter));
-
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, ud);
-}
-
/* DECL is a FUNCTION_DECL for a non-member function, which may have
other definitions already in place. We get around this by making
the value of the identifier point to a list of all the things that
@@ -4781,298 +3173,6 @@ finish_case_label (tree low_value, tree high_value)
return r;
}
-/* Return the list of declarations of the current level.
- Note that this list is in reverse order unless/until
- you nreverse it; and when you do nreverse it, you must
- store the result back using `storedecls' or you will lose. */
-
-tree
-getdecls (void)
-{
- return current_binding_level->names;
-}
-
-/* Store the list of declarations of the current level.
- This is done for the parameter declarations of a function being defined,
- after they are modified in the light of any missing parameters. */
-
-static void
-storedecls (tree decls)
-{
- current_binding_level->names = decls;
-}
-
-/* Set the current binding TABLE for type declarations.. This is a
- temporary workaround of the fact that the data structure classtypes
- does not currently carry its allocated cxx_scope structure. */
-void
-cxx_remember_type_decls (binding_table table)
-{
- current_binding_level->type_decls = table;
-}
-
-/* Return the type that should be used when TYPE's name is preceded
- by a tag such as 'struct' or 'union', or null if the name cannot
- be used in this way.
-
- For example, when processing the third line of:
-
- struct A;
- typedef struct A A;
- struct A;
-
- lookup of A will find the typedef. Given A's typedef, this function
- will return the type associated with "struct A". For the tag to be
- anything other than TYPE, TYPE must be a typedef whose original type
- has the same name and context as TYPE itself.
-
- It is not valid for a typedef of an anonymous type to be used with
- an explicit tag:
-
- typedef struct { ... } B;
- struct B;
-
- Return null for this case. */
-
-static tree
-follow_tag_typedef (tree type)
-{
- tree original;
-
- original = original_type (type);
- if (! TYPE_NAME (original))
- return NULL_TREE;
- if (TYPE_IDENTIFIER (original) == TYPE_IDENTIFIER (type)
- && (CP_DECL_CONTEXT (TYPE_NAME (original))
- == CP_DECL_CONTEXT (TYPE_NAME (type)))
- && !(CLASS_TYPE_P (original) && TYPE_WAS_ANONYMOUS (original)))
- return original;
- else
- return NULL_TREE;
-}
-
-/* Given NAME, an IDENTIFIER_NODE,
- return the structure (or union or enum) definition for that name.
- Searches binding levels from its SCOPE up to the global level.
- If THISLEVEL_ONLY is nonzero, searches only the specified context
- (but skips any sk_cleanup contexts to find one that is
- meaningful for tags).
- FORM says which kind of type the caller wants;
- it is RECORD_TYPE or UNION_TYPE or ENUMERAL_TYPE.
- If the wrong kind of type is found, and it's not a template, an error is
- reported. */
-
-static tree
-lookup_tag (enum tree_code form, tree name,
- struct cp_binding_level* binding_level, int thislevel_only)
-{
- register struct cp_binding_level *level;
- /* Nonzero if, we should look past a template parameter level, even
- if THISLEVEL_ONLY. */
- int allow_template_parms_p = 1;
- bool type_is_anonymous = ANON_AGGRNAME_P (name);
-
- timevar_push (TV_NAME_LOOKUP);
- for (level = binding_level; level; level = level->level_chain)
- {
- register tree tail;
- if (type_is_anonymous && level->type_decls != NULL)
- {
- tree type = binding_table_find_anon_type (level->type_decls, name);
- /* There is no need for error checking here, because
- anon names are unique throughout the compilation. */
- if (type != NULL)
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, type);
- }
- else if (level->kind == sk_namespace)
- /* Do namespace lookup. */
- for (tail = current_namespace; 1; tail = CP_DECL_CONTEXT (tail))
- {
- cxx_binding *binding =
- cxx_scope_find_binding_for_name (NAMESPACE_LEVEL (tail), name);
- tree old;
-
- /* If we just skipped past a template parameter level,
- even though THISLEVEL_ONLY, and we find a template
- class declaration, then we use the _TYPE node for the
- template. See the example below. */
- if (thislevel_only && !allow_template_parms_p
- && binding && binding->value
- && DECL_CLASS_TEMPLATE_P (binding->value))
- old = binding->value;
- else if (binding)
- old = select_decl (binding, LOOKUP_PREFER_TYPES);
- else
- old = NULL_TREE;
-
- if (old)
- {
- /* We've found something at this binding level. If it is
- a typedef, extract the tag it refers to. Lookup fails
- if the typedef doesn't refer to a taggable type. */
- old = TREE_TYPE (old);
- old = follow_tag_typedef (old);
- if (!old)
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, NULL_TREE);
- if (TREE_CODE (old) != form
- && (form == ENUMERAL_TYPE
- || TREE_CODE (old) == ENUMERAL_TYPE))
- {
- error ("`%#D' redeclared as %C", old, form);
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, NULL_TREE);
- }
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, old);
- }
- if (thislevel_only || tail == global_namespace)
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, NULL_TREE);
- }
- else if (level->type_decls != NULL)
- {
- binding_entry entry = binding_table_find (level->type_decls, name);
- if (entry != NULL)
- {
- enum tree_code code = TREE_CODE (entry->type);
-
- if (code != form
- && (form == ENUMERAL_TYPE || code == ENUMERAL_TYPE))
- {
- /* Definition isn't the kind we were looking for. */
- error ("`%#D' redeclared as %C", entry->type, form);
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, NULL_TREE);
- }
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, entry->type);
- }
- }
- if (thislevel_only && level->kind != sk_cleanup)
- {
- if (level->kind == sk_template_parms && allow_template_parms_p)
- {
- /* We must deal with cases like this:
-
- template <class T> struct S;
- template <class T> struct S {};
-
- When looking up `S', for the second declaration, we
- would like to find the first declaration. But, we
- are in the pseudo-global level created for the
- template parameters, rather than the (surrounding)
- namespace level. Thus, we keep going one more level,
- even though THISLEVEL_ONLY is nonzero. */
- allow_template_parms_p = 0;
- continue;
- }
- else
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, NULL_TREE);
- }
- }
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, NULL_TREE);
-}
-
-/* Given a type, find the tag that was defined for it and return the tag name.
- Otherwise return 0. However, the value can never be 0
- in the cases in which this is used.
-
- C++: If NAME is nonzero, this is the new name to install. This is
- done when replacing anonymous tags with real tag names. */
-
-static tree
-lookup_tag_reverse (tree type, tree name)
-{
- register struct cp_binding_level *level;
-
- timevar_push (TV_NAME_LOOKUP);
- for (level = current_binding_level; level; level = level->level_chain)
- {
- binding_entry entry = level->type_decls == NULL
- ? NULL
- : binding_table_reverse_maybe_remap (level->type_decls, type, name);
- if (entry)
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, entry->name);
- }
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, NULL_TREE);
-}
-
-/* Look up NAME in the NAMESPACE. */
-
-tree
-lookup_namespace_name (tree namespace, tree name)
-{
- tree val;
- tree template_id = NULL_TREE;
- cxx_binding binding;
-
- timevar_push (TV_NAME_LOOKUP);
- my_friendly_assert (TREE_CODE (namespace) == NAMESPACE_DECL, 370);
-
- if (TREE_CODE (name) == NAMESPACE_DECL)
- /* This happens for A::B<int> when B is a namespace. */
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, name);
- else if (TREE_CODE (name) == TEMPLATE_DECL)
- {
- /* This happens for A::B where B is a template, and there are no
- template arguments. */
- error ("invalid use of `%D'", name);
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, error_mark_node);
- }
-
- namespace = ORIGINAL_NAMESPACE (namespace);
-
- if (TREE_CODE (name) == TEMPLATE_ID_EXPR)
- {
- template_id = name;
- name = TREE_OPERAND (name, 0);
- if (TREE_CODE (name) == OVERLOAD)
- name = DECL_NAME (OVL_CURRENT (name));
- else if (DECL_P (name))
- name = DECL_NAME (name);
- }
-
- my_friendly_assert (TREE_CODE (name) == IDENTIFIER_NODE, 373);
-
- cxx_binding_clear (&binding);
- if (!qualified_lookup_using_namespace (name, namespace, &binding, 0))
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, error_mark_node);
-
- if (binding.value)
- {
- val = binding.value;
-
- if (template_id)
- {
- if (DECL_CLASS_TEMPLATE_P (val))
- val = lookup_template_class (val,
- TREE_OPERAND (template_id, 1),
- /*in_decl=*/NULL_TREE,
- /*context=*/NULL_TREE,
- /*entering_scope=*/0,
- tf_error | tf_warning);
- else if (DECL_FUNCTION_TEMPLATE_P (val)
- || TREE_CODE (val) == OVERLOAD)
- val = lookup_template_function (val,
- TREE_OPERAND (template_id, 1));
- else
- {
- error ("`%D::%D' is not a template",
- namespace, name);
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, error_mark_node);
- }
- }
-
- /* If we have a single function from a using decl, pull it out. */
- if (TREE_CODE (val) == OVERLOAD && ! really_overloaded_fn (val))
- val = OVL_FUNCTION (val);
-
- /* Ignore built-in functions that haven't been prototyped yet. */
- if (!val || !DECL_P(val)
- || !DECL_LANG_SPECIFIC(val)
- || !DECL_ANTICIPATED (val))
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, val);
- }
-
- error ("`%D' undeclared in namespace `%D'", name, namespace);
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, error_mark_node);
-}
-
/* Hash a TYPENAME_TYPE. K is really of type `tree'. */
static hashval_t
@@ -5336,172 +3436,6 @@ make_unbound_class_template (tree context, tree name, tsubst_flags_t complain)
return t;
}
-/* Select the right _DECL from multiple choices. */
-
-static tree
-select_decl (cxx_binding *binding, int flags)
-{
- tree val;
- val = binding->value;
-
- timevar_push (TV_NAME_LOOKUP);
- if (LOOKUP_NAMESPACES_ONLY (flags))
- {
- /* We are not interested in types. */
- if (val && TREE_CODE (val) == NAMESPACE_DECL)
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, val);
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, NULL_TREE);
- }
-
- /* If looking for a type, or if there is no non-type binding, select
- the value binding. */
- if (binding->type && (!val || (flags & LOOKUP_PREFER_TYPES)))
- val = binding->type;
- /* Don't return non-types if we really prefer types. */
- else if (val && LOOKUP_TYPES_ONLY (flags) && TREE_CODE (val) != TYPE_DECL
- && (TREE_CODE (val) != TEMPLATE_DECL
- || !DECL_CLASS_TEMPLATE_P (val)))
- val = NULL_TREE;
-
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, val);
-}
-
-/* Unscoped lookup of a global: iterate over current namespaces,
- considering using-directives. If SPACESP is non-NULL, store a list
- of the namespaces we've considered in it. */
-
-tree
-unqualified_namespace_lookup (tree name, int flags, tree* spacesp)
-{
- tree initial = current_decl_namespace ();
- tree scope = initial;
- tree siter;
- struct cp_binding_level *level;
- tree val = NULL_TREE;
- cxx_binding binding;
-
- timevar_push (TV_NAME_LOOKUP);
- cxx_binding_clear (&binding);
- if (spacesp)
- *spacesp = NULL_TREE;
-
- for (; !val; scope = CP_DECL_CONTEXT (scope))
- {
- cxx_binding *b =
- cxx_scope_find_binding_for_name (NAMESPACE_LEVEL (scope), name);
- if (spacesp)
- *spacesp = tree_cons (scope, NULL_TREE, *spacesp);
-
- /* Ignore anticipated built-in functions. */
- if (b && b->value && DECL_P (b->value)
- && DECL_LANG_SPECIFIC (b->value) && DECL_ANTICIPATED (b->value))
- /* Keep binding cleared. */;
- else if (b)
- {
- /* Initialize binding for this context. */
- binding.value = b->value;
- binding.type = b->type;
- }
-
- /* Add all _DECLs seen through local using-directives. */
- for (level = current_binding_level;
- level->kind != sk_namespace;
- level = level->level_chain)
- if (!lookup_using_namespace (name, &binding, level->using_directives,
- scope, flags, spacesp))
- /* Give up because of error. */
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, error_mark_node);
-
- /* Add all _DECLs seen through global using-directives. */
- /* XXX local and global using lists should work equally. */
- siter = initial;
- while (1)
- {
- if (!lookup_using_namespace (name, &binding,
- DECL_NAMESPACE_USING (siter),
- scope, flags, spacesp))
- /* Give up because of error. */
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, error_mark_node);
- if (siter == scope) break;
- siter = CP_DECL_CONTEXT (siter);
- }
-
- val = select_decl (&binding, flags);
- if (scope == global_namespace)
- break;
- }
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, val);
-}
-
-/* Combine prefer_type and namespaces_only into flags. */
-
-static int
-lookup_flags (int prefer_type, int namespaces_only)
-{
- if (namespaces_only)
- return LOOKUP_PREFER_NAMESPACES;
- if (prefer_type > 1)
- return LOOKUP_PREFER_TYPES;
- if (prefer_type > 0)
- return LOOKUP_PREFER_BOTH;
- return 0;
-}
-
-/* Given a lookup that returned VAL, use FLAGS to decide if we want to
- ignore it or not. Subroutine of lookup_name_real. */
-
-static tree
-qualify_lookup (tree val, int flags)
-{
- if (val == NULL_TREE)
- return val;
- if ((flags & LOOKUP_PREFER_NAMESPACES) && TREE_CODE (val) == NAMESPACE_DECL)
- return val;
- if ((flags & LOOKUP_PREFER_TYPES)
- && (TREE_CODE (val) == TYPE_DECL || TREE_CODE (val) == TEMPLATE_DECL))
- return val;
- if (flags & (LOOKUP_PREFER_NAMESPACES | LOOKUP_PREFER_TYPES))
- return NULL_TREE;
- return val;
-}
-
-/* Look up NAME (an IDENTIFIER_NODE) in SCOPE (either a NAMESPACE_DECL
- or a class TYPE). If IS_TYPE_P is TRUE, then ignore non-type
- bindings.
-
- Returns a DECL (or OVERLOAD, or BASELINK) representing the
- declaration found. If no suitable declaration can be found,
- ERROR_MARK_NODE is returned. Iif COMPLAIN is true and SCOPE is
- neither a class-type nor a namespace a diagnostic is issued. */
-
-tree
-lookup_qualified_name (tree scope, tree name, bool is_type_p, bool complain)
-{
- int flags = 0;
-
- if (TREE_CODE (scope) == NAMESPACE_DECL)
- {
- cxx_binding binding;
-
- cxx_binding_clear (&binding);
- flags |= LOOKUP_COMPLAIN;
- if (is_type_p)
- flags |= LOOKUP_PREFER_TYPES;
- if (qualified_lookup_using_namespace (name, scope, &binding,
- flags))
- return select_decl (&binding, flags);
- }
- else if (is_aggr_type (scope, complain))
- {
- tree t;
- t = lookup_member (scope, name, 0, is_type_p);
- if (t)
- return t;
- }
-
- return error_mark_node;
-}
-
/* Check to see whether or not DECL is a variable that would have been
in scope under the ARM, but is not in scope under the ANSI/ISO
standard. If so, issue an error message. If name lookup would
@@ -5561,191 +3495,6 @@ check_for_out_of_scope_variable (tree decl)
return decl;
}
-/* Look up NAME in the current binding level and its superiors in the
- namespace of variables, functions and typedefs. Return a ..._DECL
- node of some kind representing its definition if there is only one
- such declaration, or return a TREE_LIST with all the overloaded
- definitions if there are many, or return 0 if it is undefined.
-
- If PREFER_TYPE is > 0, we prefer TYPE_DECLs or namespaces.
- If PREFER_TYPE is > 1, we reject non-type decls (e.g. namespaces).
- Otherwise we prefer non-TYPE_DECLs.
-
- If NONCLASS is nonzero, we don't look for the NAME in class scope,
- using IDENTIFIER_CLASS_VALUE. */
-
-tree
-lookup_name_real (tree name, int prefer_type, int nonclass,
- int namespaces_only, int flags)
-{
- cxx_binding *iter;
- tree val = NULL_TREE;
-
- timevar_push (TV_NAME_LOOKUP);
- /* Conversion operators are handled specially because ordinary
- unqualified name lookup will not find template conversion
- operators. */
- if (IDENTIFIER_TYPENAME_P (name))
- {
- struct cp_binding_level *level;
-
- for (level = current_binding_level;
- level && level->kind != sk_namespace;
- level = level->level_chain)
- {
- tree class_type;
- tree operators;
-
- /* A conversion operator can only be declared in a class
- scope. */
- if (level->kind != sk_class)
- continue;
-
- /* Lookup the conversion operator in the class. */
- class_type = level->this_entity;
- operators = lookup_fnfields (class_type, name, /*protect=*/0);
- if (operators)
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, operators);
- }
-
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, NULL_TREE);
- }
-
- flags |= lookup_flags (prefer_type, namespaces_only);
-
- /* First, look in non-namespace scopes. */
-
- if (current_class_type == NULL_TREE)
- nonclass = 1;
-
- for (iter = IDENTIFIER_BINDING (name); iter; iter = iter->previous)
- {
- tree binding;
-
- if (!LOCAL_BINDING_P (iter) && nonclass)
- /* We're not looking for class-scoped bindings, so keep going. */
- continue;
-
- /* If this is the kind of thing we're looking for, we're done. */
- if (qualify_lookup (iter->value, flags))
- binding = iter->value;
- else if ((flags & LOOKUP_PREFER_TYPES)
- && qualify_lookup (iter->type, flags))
- binding = iter->type;
- else
- binding = NULL_TREE;
-
- if (binding)
- {
- val = binding;
- break;
- }
- }
-
- /* Now lookup in namespace scopes. */
- if (!val)
- {
- tree t = unqualified_namespace_lookup (name, flags, 0);
- if (t)
- val = t;
- }
-
- if (val)
- {
- /* If we have a single function from a using decl, pull it out. */
- if (TREE_CODE (val) == OVERLOAD && ! really_overloaded_fn (val))
- val = OVL_FUNCTION (val);
- }
-
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, val);
-}
-
-tree
-lookup_name_nonclass (tree name)
-{
- return lookup_name_real (name, 0, 1, 0, LOOKUP_COMPLAIN);
-}
-
-tree
-lookup_function_nonclass (tree name, tree args)
-{
- return lookup_arg_dependent (name, lookup_name_nonclass (name), args);
-}
-
-tree
-lookup_name (tree name, int prefer_type)
-{
- return lookup_name_real (name, prefer_type, 0, 0, LOOKUP_COMPLAIN);
-}
-
-/* Similar to `lookup_name' but look only in the innermost non-class
- binding level. */
-
-tree
-lookup_name_current_level (tree name)
-{
- struct cp_binding_level *b;
- tree t = NULL_TREE;
-
- timevar_push (TV_NAME_LOOKUP);
- b = innermost_nonclass_level ();
-
- if (b->kind == sk_namespace)
- {
- t = IDENTIFIER_NAMESPACE_VALUE (name);
-
- /* extern "C" function() */
- if (t != NULL_TREE && TREE_CODE (t) == TREE_LIST)
- t = TREE_VALUE (t);
- }
- else if (IDENTIFIER_BINDING (name)
- && LOCAL_BINDING_P (IDENTIFIER_BINDING (name)))
- {
- while (1)
- {
- if (IDENTIFIER_BINDING (name)->scope == b)
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, IDENTIFIER_VALUE (name));
-
- if (b->kind == sk_cleanup)
- b = b->level_chain;
- else
- break;
- }
- }
-
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, t);
-}
-
-/* Like lookup_name_current_level, but for types. */
-
-tree
-lookup_type_current_level (tree name)
-{
- register tree t = NULL_TREE;
-
- timevar_push (TV_NAME_LOOKUP);
- my_friendly_assert (current_binding_level->kind != sk_namespace,
- 980716);
-
- if (REAL_IDENTIFIER_TYPE_VALUE (name) != NULL_TREE
- && REAL_IDENTIFIER_TYPE_VALUE (name) != global_type_node)
- {
- struct cp_binding_level *b = current_binding_level;
- while (1)
- {
- if (purpose_member (name, b->type_shadowed))
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP,
- REAL_IDENTIFIER_TYPE_VALUE (name));
- if (b->kind == sk_cleanup)
- b = b->level_chain;
- else
- break;
- }
- }
-
- POP_TIMEVAR_AND_RETURN (TV_NAME_LOOKUP, t);
-}
-
/* A chain of TYPE_DECLs for the builtin types. */
@@ -13457,7 +11206,7 @@ store_parm_decls (tree current_function_parms)
/* Must clear this because it might contain TYPE_DECLs declared
at class level. */
- storedecls (NULL_TREE);
+ current_binding_level->names = NULL;
/* If we're doing semantic analysis, then we'll call pushdecl
for each of these. We must do them in reverse order so that
@@ -13496,7 +11245,7 @@ store_parm_decls (tree current_function_parms)
as the decl-chain of the current lexical scope.
Put the enumerators in as well, at the front so that
DECL_ARGUMENTS is not modified. */
- storedecls (chainon (nonparms, DECL_ARGUMENTS (fndecl)));
+ current_binding_level->names = chainon (nonparms, DECL_ARGUMENTS (fndecl));
/* Do the starting of the exception specifications, if we have any. */
if (flag_exceptions && !processing_template_decl
@@ -14250,15 +11999,6 @@ cp_tree_node_structure (union lang_tree_node * t)
}
}
-/* Return the IDENTIFIER_GLOBAL_VALUE of T, for use in common code, since
- the definition of IDENTIFIER_GLOBAL_VALUE is different for C and C++. */
-
-tree
-identifier_global_value (tree t)
-{
- return IDENTIFIER_GLOBAL_VALUE (t);
-}
-
/* Build the void_list_node (void_type_node having been created). */
tree
build_void_list_node (void)