/* Definitions for C++ parsing and type checking.
Copyright (C) 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com)
CP_ID_KIND_QUALIFIED
} cp_id_kind;
+
+/* The various kinds of C++0x warnings we encounter. */
+
+typedef enum cpp0x_warn_str
+{
+ /* extended initializer lists */
+ CPP0X_INITIALIZER_LISTS,
+ /* explicit conversion operators */
+ CPP0X_EXPLICIT_CONVERSION,
+ /* variadic templates */
+ CPP0X_VARIADIC_TEMPLATES,
+ /* lambda expressions */
+ CPP0X_LAMBDA_EXPR,
+ /* C++0x auto */
+ CPP0X_AUTO,
+ /* scoped enums */
+ CPP0X_SCOPED_ENUMS,
+ /* defaulted and deleted functions */
+ CPP0X_DEFAULTED_DELETED
+} cpp0x_warn_str;
+
+/* The various kinds of operation used by composite_pointer_type. */
+
+typedef enum composite_pointer_operation
+{
+ /* comparison */
+ CPO_COMPARISON,
+ /* conversion */
+ CPO_CONVERSION,
+ /* conditional expression */
+ CPO_CONDITIONAL_EXPR
+} composite_pointer_operation;
+
+/* The various readonly error string used by readonly_error. */
+typedef enum readonly_error_kind
+{
+ /* assignment */
+ REK_ASSIGNMENT,
+ /* assignment (via 'asm' output) */
+ REK_ASSIGNMENT_ASM,
+ /* increment */
+ REK_INCREMENT,
+ /* decrement */
+ REK_DECREMENT
+} readonly_error_kind;
+
/* Macros for access to language-specific slots in an identifier. */
#define IDENTIFIER_NAMESPACE_BINDINGS(NODE) \
int discriminator;
};
+/* A (typedef,context,usage location) triplet.
+ It represents a typedef used through a
+ context at a given source location.
+ e.g.
+ struct foo {
+ typedef int myint;
+ };
+
+ struct bar {
+ foo::myint v; // #1<-- this location.
+ };
+
+ In bar, the triplet will be (myint, foo, #1).
+ */
+struct GTY(()) qualified_typedef_usage_s {
+ tree typedef_decl;
+ tree context;
+ location_t locus;
+};
+typedef struct qualified_typedef_usage_s qualified_typedef_usage_t;
+DEF_VEC_O (qualified_typedef_usage_t);
+DEF_VEC_ALLOC_O (qualified_typedef_usage_t,gc);
+
+struct GTY(()) tree_template_info {
+ struct tree_common common;
+ VEC(qualified_typedef_usage_t,gc) *typedefs_needing_access_checking;
+};
+
enum cp_tree_node_structure_enum {
TS_CP_GENERIC,
TS_CP_IDENTIFIER,
TS_CP_ARGUMENT_PACK_SELECT,
TS_CP_TRAIT_EXPR,
TS_CP_LAMBDA_EXPR,
+ TS_CP_TEMPLATE_INFO,
LAST_TS_CP_ENUM
};
trait_expression;
struct tree_lambda_expr GTY ((tag ("TS_CP_LAMBDA_EXPR")))
lambda_expression;
+ struct tree_template_info GTY ((tag ("TS_CP_TEMPLATE_INFO")))
+ template_info;
};
\f
expression for `*this'. */
#define current_class_ptr \
- (cfun ? cp_function_chain->x_current_class_ptr : NULL_TREE)
+ (cfun && cp_function_chain \
+ ? cp_function_chain->x_current_class_ptr : NULL_TREE)
#define current_class_ref \
(cfun ? cp_function_chain->x_current_class_ref : NULL_TREE)
unsigned threadprivate_or_deleted_p : 1; /* var or fn */
unsigned anticipated_p : 1; /* fn or type */
unsigned friend_attr : 1; /* fn or type */
- unsigned template_conv_p : 1; /* template only? */
+ unsigned template_conv_p : 1; /* var or template */
unsigned odr_used : 1; /* var or fn */
unsigned u2sel : 1;
/* 1 spare bit */
/* Discriminator for name mangling. */
#define DECL_DISCRIMINATOR(NODE) (LANG_DECL_U2_CHECK (NODE, 1)->discriminator)
+/* True iff DECL_DISCRIMINATOR is set for a DECL_DISCRIMINATOR_P decl. */
+#define DECL_DISCRIMINATOR_SET_P(NODE) \
+ (DECL_LANG_SPECIFIC (NODE) && DECL_LANG_SPECIFIC (NODE)->u.base.u2sel == 1)
+
/* The index of a user-declared parameter in its function, starting at 1.
All artificial parameters will have index 0. */
#define DECL_PARM_INDEX(NODE) \
#define DECL_TEMPLATE_CONV_FN_P(NODE) \
(DECL_LANG_SPECIFIC (TEMPLATE_DECL_CHECK (NODE))->u.base.template_conv_p)
+/* Nonzero if NODE, a static data member, was declared in its class as an
+ array of unknown bound. */
+#define VAR_HAD_UNKNOWN_BOUND(NODE) \
+ (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE)) \
+ ? DECL_LANG_SPECIFIC (NODE)->u.base.template_conv_p \
+ : false)
+#define SET_VAR_HAD_UNKNOWN_BOUND(NODE) \
+ (DECL_LANG_SPECIFIC (VAR_DECL_CHECK (NODE))->u.base.template_conv_p = true)
+
/* Set the overloaded operator code for NODE to CODE. */
#define SET_OVERLOADED_OPERATOR_CODE(NODE, CODE) \
(LANG_DECL_FN_CHECK (NODE)->operator_code = (CODE))
#define TYPE_NAMESPACE_SCOPE_P(NODE) \
(TREE_CODE (CP_TYPE_CONTEXT (NODE)) == NAMESPACE_DECL)
+#define NAMESPACE_SCOPE_P(NODE) \
+ ((DECL_P (NODE) && DECL_NAMESPACE_SCOPE_P (NODE)) \
+ || (TYPE_P (NODE) && TYPE_NAMESPACE_SCOPE_P (NODE)))
+
/* 1 iff NODE is a class member. */
#define DECL_CLASS_SCOPE_P(NODE) \
(DECL_CONTEXT (NODE) && TYPE_P (DECL_CONTEXT (NODE)))
? (ENUM_TEMPLATE_INFO (NODE) = (VAL)) \
: (CLASSTYPE_TEMPLATE_INFO (NODE) = (VAL)))
-#define TI_TEMPLATE(NODE) (TREE_PURPOSE (NODE))
-#define TI_ARGS(NODE) (TREE_VALUE (NODE))
+#define TI_TEMPLATE(NODE) TREE_TYPE (TEMPLATE_INFO_CHECK (NODE))
+#define TI_ARGS(NODE) TREE_CHAIN (TEMPLATE_INFO_CHECK (NODE))
#define TI_PENDING_TEMPLATE_FLAG(NODE) TREE_LANG_FLAG_1 (NODE)
+/* For a given TREE_VEC containing a template argument list,
+ this property contains the number of arguments that are not
+ defaulted. */
+#define NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) TREE_CHAIN (TREE_VEC_CHECK (NODE))
+/* Below are the setter and getter of the NON_DEFAULT_TEMPLATE_ARGS_COUNT
+ property. */
+#define SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE, INT_VALUE) \
+ NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) = build_int_cst (NULL_TREE, INT_VALUE)
+#ifdef ENABLE_CHECKING
+#define GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \
+ int_cst_value (NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE))
+#else
+#define GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT(NODE) \
+ NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE) \
+ ? int_cst_value (NON_DEFAULT_TEMPLATE_ARGS_COUNT (NODE)) \
+ : TREE_VEC_LENGTH (INNERMOST_TEMPLATE_ARGS (NODE))
+#endif
/* The list of typedefs - used in the template - that need
access checking at template instantiation time. */
-#define TI_TYPEDEFS_NEEDING_ACCESS_CHECKING(NODE) (TREE_CHAIN (NODE))
+#define TI_TYPEDEFS_NEEDING_ACCESS_CHECKING(NODE) \
+ ((struct tree_template_info*)TEMPLATE_INFO_CHECK \
+ (NODE))->typedefs_needing_access_checking
/* We use TREE_VECs to hold template arguments. If there is only one
level of template arguments, then the TREE_VEC contains the
It is incorrect to ever form a template argument vector containing
only one level of arguments, but which is a TREE_VEC containing as
- its only entry the TREE_VEC for that level. */
+ its only entry the TREE_VEC for that level.
+
+ For each TREE_VEC containing the template arguments for a single
+ level, it's possible to get or set the number of non defaulted
+ template arguments by using the accessor macros
+ GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT or
+ SET_NON_DEFAULT_TEMPLATE_ARGS_COUNT. */
/* Nonzero if the template arguments is actually a vector of vectors,
rather than just a vector. */
#define WANT_ENUM 4 /* enumerated types */
#define WANT_POINTER 8 /* pointer types */
#define WANT_NULL 16 /* null pointer constant */
-#define WANT_VECTOR 32 /* vector types */
-#define WANT_ARITH (WANT_INT | WANT_FLOAT | WANT_VECTOR)
+#define WANT_VECTOR_OR_COMPLEX 32 /* vector or complex types */
+#define WANT_ARITH (WANT_INT | WANT_FLOAT | WANT_VECTOR_OR_COMPLEX)
/* Used with comptypes, and related functions, to guide type
comparison. */
(TEMPLATE_PARM_DECL (TEMPLATE_TYPE_PARM_INDEX (NODE)))
#define TEMPLATE_TYPE_PARAMETER_PACK(NODE) \
(TEMPLATE_PARM_PARAMETER_PACK (TEMPLATE_TYPE_PARM_INDEX (NODE)))
+/* The list of template parms that a given template parameter of type
+ TEMPLATE_TYPE_PARM belongs to.*/
+#define TEMPLATE_TYPE_PARM_SIBLING_PARMS(NODE) \
+ (TREE_CHECK ((NODE), TEMPLATE_TYPE_PARM))->type.maxval
/* These constants can used as bit flags in the process of tree formatting.
BOOL_BITFIELD conflicting_specifiers_p : 1;
/* True iff at least one decl-specifier was found. */
BOOL_BITFIELD any_specifiers_p : 1;
+ /* True iff at least one type-specifier was found. */
+ BOOL_BITFIELD any_type_specifiers_p : 1;
/* True iff "int" was explicitly provided. */
BOOL_BITFIELD explicit_int_p : 1;
/* True iff "char" was explicitly provided. */
extern tree check_for_out_of_scope_variable (tree);
extern void print_other_binding_stack (struct cp_binding_level *);
extern tree maybe_push_decl (tree);
+extern tree current_decl_namespace (void);
/* decl.c */
extern tree poplevel (int, int, int);
extern void maybe_commonize_var (tree);
extern void complete_vars (tree);
extern void finish_stmt (void);
+extern tree static_fn_type (tree);
extern void revert_static_member_fn (tree);
extern void fixup_anonymous_aggr (tree);
extern int check_static_variable_definition (tree, tree);
extern void initialize_artificial_var (tree, tree);
extern tree check_var_type (tree, tree);
extern tree reshape_init (tree, tree);
+extern tree next_initializable_field (tree);
extern bool defer_mark_used_calls;
extern GTY(()) VEC(tree, gc) *deferred_mark_used_calls;
/* in decl2.c */
extern bool check_java_method (tree);
extern tree build_memfn_type (tree, tree, cp_cv_quals);
+extern tree change_return_type (tree, tree);
extern void maybe_retrofit_in_chrg (tree);
extern void maybe_make_one_only (tree);
-extern bool vague_linkage_fn_p (tree);
+extern bool vague_linkage_p (tree);
extern void grokclassfn (tree, tree,
enum overload_flags);
extern tree grok_array_decl (tree, tree);
extern const char *class_key_or_enum_as_string (tree);
extern void print_instantiation_context (void);
extern void maybe_warn_variadic_templates (void);
-extern void maybe_warn_cpp0x (const char *);
+extern void maybe_warn_cpp0x (cpp0x_warn_str str);
extern bool pedwarn_cxx98 (location_t, int, const char *, ...) ATTRIBUTE_GCC_CXXDIAG(3,4);
/* in except.c */
extern void initialize_vtbl_ptrs (tree);
extern tree build_java_class_ref (tree);
extern tree integral_constant_value (tree);
+extern void diagnose_uninitialized_cst_or_ref_member (tree, bool);
/* in lex.c */
extern void cxx_dup_lang_specific_decl (tree);
extern tree make_auto (void);
extern tree do_auto_deduction (tree, tree, tree);
extern tree type_uses_auto (tree);
-extern void append_type_to_template_for_access_check (tree, tree, tree);
+extern void append_type_to_template_for_access_check (tree, tree, tree,
+ location_t);
extern tree splice_late_return_type (tree, tree);
extern bool is_auto (const_tree);
extern tree process_template_parm (tree, location_t, tree,
bool, bool);
extern tree end_template_parm_list (tree);
extern void end_template_decl (void);
+extern tree maybe_update_decl_type (tree, tree);
extern bool check_default_tmpl_args (tree, tree, int, int, int);
extern tree push_template_decl (tree);
extern tree push_template_decl_real (tree, bool);
extern bool function_parameter_expanded_from_pack_p (tree, tree);
extern tree make_pack_expansion (tree);
extern bool check_for_bare_parameter_packs (tree);
+extern tree build_template_info (tree, tree);
extern tree get_template_info (const_tree);
-extern tree get_types_needing_access_check (tree);
+extern VEC(qualified_typedef_usage_t,gc)* get_types_needing_access_check (tree);
extern int template_class_depth (tree);
extern int is_specialization_of (tree, tree);
extern bool is_specialization_of_friend (tree, tree);
extern bool reregister_specialization (tree, tree, tree);
extern tree fold_non_dependent_expr (tree);
extern bool explicit_class_specialization_p (tree);
+extern int push_tinst_level (tree);
+extern void pop_tinst_level (void);
extern struct tinst_level *outermost_tinst_level(void);
extern bool parameter_of_template_p (tree, tree);
extern void init_template_processing (void);
+extern void print_template_statistics (void);
bool template_template_parameter_p (const_tree);
+extern bool primary_template_instantiation_p (const_tree);
extern tree get_primary_template_innermost_parameters (const_tree);
+extern tree get_template_parms_at_level (tree, int);
extern tree get_template_innermost_arguments (const_tree);
extern tree get_template_argument_pack_elems (const_tree);
extern tree get_function_template_decl (const_tree);
extern bool at_class_scope_p (void);
extern bool at_namespace_scope_p (void);
extern tree context_for_name_lookup (tree);
-extern tree lookup_conversions (tree);
+extern tree lookup_conversions (tree, bool);
extern tree binfo_from_vbase (tree);
extern tree binfo_for_vbase (tree, tree);
extern tree look_for_overrides_here (tree, tree);
extern tree finish_stmt_expr_expr (tree, tree);
extern tree finish_stmt_expr (tree, bool);
extern tree stmt_expr_value_expr (tree);
+bool empty_expr_stmt_p (tree);
extern tree perform_koenig_lookup (tree, VEC(tree,gc) *);
extern tree finish_call_expr (tree, VEC(tree,gc) **, bool,
bool, tsubst_flags_t);
extern void emit_associated_thunks (tree);
extern void finish_mem_initializers (tree);
extern tree check_template_template_default_arg (tree);
+extern bool expand_or_defer_fn_1 (tree);
extern void expand_or_defer_fn (tree);
+extern void add_typedef_to_current_template_for_access_check (tree, tree,
+ location_t);
extern void check_accessibility_of_qualified_id (tree, tree, tree);
extern tree finish_qualified_id_expr (tree, tree, bool, bool,
bool, bool);
extern void apply_lambda_return_type (tree, tree);
extern tree add_capture (tree, tree, tree, bool, bool);
extern tree add_default_capture (tree, tree, tree);
+extern void register_capture_members (tree);
extern tree lambda_expr_this_capture (tree);
extern void maybe_add_lambda_conv_op (tree);
extern bool class_tmpl_impl_spec_p (const_tree);
extern int zero_init_p (const_tree);
extern tree strip_typedefs (tree);
+extern bool typedef_variant_p (tree);
+extern void cp_set_underlying_type (tree);
extern tree copy_binfo (tree, tree, tree,
tree *, int);
extern int member_p (const_tree);
extern tree cp_build_qualified_type_real (tree, int, tsubst_flags_t);
#define cp_build_qualified_type(TYPE, QUALS) \
cp_build_qualified_type_real ((TYPE), (QUALS), tf_warning_or_error)
+extern bool cv_qualified_p (const_tree);
extern tree cv_unqualified (tree);
extern special_function_kind special_function_p (const_tree);
extern int count_trees (tree);
tsubst_flags_t);
extern tree finish_class_member_access_expr (tree, tree, bool,
tsubst_flags_t);
-extern tree build_x_indirect_ref (tree, const char *,
+extern tree build_x_indirect_ref (tree, ref_operator,
tsubst_flags_t);
-extern tree cp_build_indirect_ref (tree, const char *,
+extern tree cp_build_indirect_ref (tree, ref_operator,
tsubst_flags_t);
extern tree build_array_ref (location_t, tree, tree);
extern tree get_member_function_from_ptrfunc (tree *, tree);
tsubst_flags_t);
extern int comp_ptr_ttypes (tree, tree);
extern bool comp_ptr_ttypes_const (tree, tree);
+extern bool error_type_p (const_tree);
extern int ptr_reasonably_similar (const_tree, const_tree);
extern tree build_ptrmemfunc (tree, tree, int, bool);
extern int cp_type_quals (const_tree);
extern tree type_after_usual_arithmetic_conversions (tree, tree);
extern tree common_pointer_type (tree, tree);
extern tree composite_pointer_type (tree, tree, tree, tree,
- const char*, tsubst_flags_t);
+ composite_pointer_operation,
+ tsubst_flags_t);
extern tree merge_types (tree, tree);
+extern tree strip_array_domain (tree);
extern tree check_return_expr (tree, bool *);
extern tree cp_build_binary_op (location_t,
enum tree_code, tree, tree,
(cxx_incomplete_type_diagnostic ((V), (T), DK_ERROR))
extern tree error_not_base_type (tree, tree);
extern tree binfo_or_else (tree, tree);
-extern void readonly_error (tree, const char *);
+extern void readonly_error (tree, readonly_error_kind);
extern void complete_type_check_abstract (tree);
extern int abstract_virtuals_error (tree, tree);
extern alias_set_type cxx_get_alias_set (tree);
extern bool cxx_warn_unused_global_decl (const_tree);
-extern tree cp_expr_size (const_tree);
extern size_t cp_tree_size (enum tree_code);
extern bool cp_var_mod_type_p (tree, tree);
extern void cxx_initialize_diagnostics (struct diagnostic_context *);
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