/* Implementation of subroutines for the GNU C++ pretty-printer.
- Copyright (C) 2003 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2007, 2008,
+ 2009, 2010 Free Software Foundation, Inc.
Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
-#include "real.h"
-#include "cxx-pretty-print.h"
+#include "intl.h"
#include "cp-tree.h"
+#include "cxx-pretty-print.h"
+#include "tree-pretty-print.h"
+#include "toplev.h"
+
+/* Translate if being used for diagnostics, but not for dump files or
+ __PRETTY_FUNCTION. */
+#define M_(msgid) (pp_translate_identifiers (pp) ? _(msgid) : (msgid))
+
+static void pp_cxx_unqualified_id (cxx_pretty_printer *, tree);
+static void pp_cxx_nested_name_specifier (cxx_pretty_printer *, tree);
+static void pp_cxx_qualified_id (cxx_pretty_printer *, tree);
+static void pp_cxx_assignment_expression (cxx_pretty_printer *, tree);
+static void pp_cxx_expression (cxx_pretty_printer *, tree);
+static void pp_cxx_template_argument_list (cxx_pretty_printer *, tree);
+static void pp_cxx_type_specifier_seq (cxx_pretty_printer *, tree);
+static void pp_cxx_ptr_operator (cxx_pretty_printer *, tree);
+static void pp_cxx_type_id (cxx_pretty_printer *, tree);
+static void pp_cxx_direct_abstract_declarator (cxx_pretty_printer *, tree);
+static void pp_cxx_declarator (cxx_pretty_printer *, tree);
+static void pp_cxx_parameter_declaration_clause (cxx_pretty_printer *, tree);
+static void pp_cxx_abstract_declarator (cxx_pretty_printer *, tree);
+static void pp_cxx_statement (cxx_pretty_printer *, tree);
+static void pp_cxx_template_parameter (cxx_pretty_printer *, tree);
+static void pp_cxx_cast_expression (cxx_pretty_printer *, tree);
+static void pp_cxx_typeid_expression (cxx_pretty_printer *, tree);
\f
-/* Declarations. */
+
+static inline void
+pp_cxx_nonconsecutive_character (cxx_pretty_printer *pp, int c)
+{
+ const char *p = pp_last_position_in_text (pp);
+
+ if (p != NULL && *p == c)
+ pp_cxx_whitespace (pp);
+ pp_character (pp, c);
+ pp_base (pp)->padding = pp_none;
+}
+
+#define pp_cxx_storage_class_specifier(PP, T) \
+ pp_c_storage_class_specifier (pp_c_base (PP), T)
+#define pp_cxx_expression_list(PP, T) \
+ pp_c_expression_list (pp_c_base (PP), T)
+#define pp_cxx_space_for_pointer_operator(PP, T) \
+ pp_c_space_for_pointer_operator (pp_c_base (PP), T)
+#define pp_cxx_init_declarator(PP, T) \
+ pp_c_init_declarator (pp_c_base (PP), T)
+#define pp_cxx_call_argument_list(PP, T) \
+ pp_c_call_argument_list (pp_c_base (PP), T)
void
-pp_cxx_declaration (cxx_pretty_printer *pp, tree t)
+pp_cxx_colon_colon (cxx_pretty_printer *pp)
{
- pp_unsupported_tree (pp, t);
+ pp_colon_colon (pp);
+ pp_base (pp)->padding = pp_none;
}
+void
+pp_cxx_begin_template_argument_list (cxx_pretty_printer *pp)
+{
+ pp_cxx_nonconsecutive_character (pp, '<');
+}
+
+void
+pp_cxx_end_template_argument_list (cxx_pretty_printer *pp)
+{
+ pp_cxx_nonconsecutive_character (pp, '>');
+}
+
+void
+pp_cxx_separate_with (cxx_pretty_printer *pp, int c)
+{
+ pp_separate_with (pp, c);
+ pp_base (pp)->padding = pp_none;
+}
+
+/* Expressions. */
+
+static inline bool
+is_destructor_name (tree name)
+{
+ return name == complete_dtor_identifier
+ || name == base_dtor_identifier
+ || name == deleting_dtor_identifier;
+}
+
+/* conversion-function-id:
+ operator conversion-type-id
+
+ conversion-type-id:
+ type-specifier-seq conversion-declarator(opt)
+
+ conversion-declarator:
+ ptr-operator conversion-declarator(opt) */
+
+static inline void
+pp_cxx_conversion_function_id (cxx_pretty_printer *pp, tree t)
+{
+ pp_cxx_ws_string (pp, "operator");
+ pp_cxx_type_specifier_seq (pp, TREE_TYPE (t));
+}
+
+static inline void
+pp_cxx_template_id (cxx_pretty_printer *pp, tree t)
+{
+ pp_cxx_unqualified_id (pp, TREE_OPERAND (t, 0));
+ pp_cxx_begin_template_argument_list (pp);
+ pp_cxx_template_argument_list (pp, TREE_OPERAND (t, 1));
+ pp_cxx_end_template_argument_list (pp);
+}
+
+/* Prints the unqualified part of the id-expression T.
+
+ unqualified-id:
+ identifier
+ operator-function-id
+ conversion-function-id
+ ~ class-name
+ template-id */
+
static void
-pp_cxx_declaration_specifiers (cxx_pretty_printer *pp, tree t)
+pp_cxx_unqualified_id (cxx_pretty_printer *pp, tree t)
{
- pp_unsupported_tree (pp, t);
+ enum tree_code code = TREE_CODE (t);
+ switch (code)
+ {
+ case RESULT_DECL:
+ pp_cxx_ws_string (pp, M_("<return-value>"));
+ break;
+
+ case OVERLOAD:
+ t = OVL_CURRENT (t);
+ case VAR_DECL:
+ case PARM_DECL:
+ case CONST_DECL:
+ case TYPE_DECL:
+ case FUNCTION_DECL:
+ case NAMESPACE_DECL:
+ case FIELD_DECL:
+ case LABEL_DECL:
+ case USING_DECL:
+ case TEMPLATE_DECL:
+ t = DECL_NAME (t);
+
+ case IDENTIFIER_NODE:
+ if (t == NULL)
+ pp_cxx_ws_string (pp, M_("<unnamed>"));
+ else if (IDENTIFIER_TYPENAME_P (t))
+ pp_cxx_conversion_function_id (pp, t);
+ else
+ {
+ if (is_destructor_name (t))
+ {
+ pp_complement (pp);
+ /* FIXME: Why is this necessary? */
+ if (TREE_TYPE (t))
+ t = constructor_name (TREE_TYPE (t));
+ }
+ pp_cxx_tree_identifier (pp, t);
+ }
+ break;
+
+ case TEMPLATE_ID_EXPR:
+ pp_cxx_template_id (pp, t);
+ break;
+
+ case BASELINK:
+ pp_cxx_unqualified_id (pp, BASELINK_FUNCTIONS (t));
+ break;
+
+ case RECORD_TYPE:
+ case UNION_TYPE:
+ case ENUMERAL_TYPE:
+ case TYPENAME_TYPE:
+ case UNBOUND_CLASS_TEMPLATE:
+ pp_cxx_unqualified_id (pp, TYPE_NAME (t));
+ if (CLASS_TYPE_P (t) && CLASSTYPE_USE_TEMPLATE (t))
+ {
+ pp_cxx_begin_template_argument_list (pp);
+ pp_cxx_template_argument_list (pp, INNERMOST_TEMPLATE_ARGS
+ (CLASSTYPE_TI_ARGS (t)));
+ pp_cxx_end_template_argument_list (pp);
+ }
+ break;
+
+ case BIT_NOT_EXPR:
+ pp_cxx_complement (pp);
+ pp_cxx_unqualified_id (pp, TREE_OPERAND (t, 0));
+ break;
+
+ case TEMPLATE_TYPE_PARM:
+ case TEMPLATE_TEMPLATE_PARM:
+ if (TYPE_IDENTIFIER (t))
+ pp_cxx_unqualified_id (pp, TYPE_IDENTIFIER (t));
+ else
+ pp_cxx_canonical_template_parameter (pp, t);
+ break;
+
+ case TEMPLATE_PARM_INDEX:
+ pp_cxx_unqualified_id (pp, TEMPLATE_PARM_DECL (t));
+ break;
+
+ case BOUND_TEMPLATE_TEMPLATE_PARM:
+ pp_cxx_cv_qualifier_seq (pp, t);
+ pp_cxx_unqualified_id (pp, TYPE_IDENTIFIER (t));
+ pp_cxx_begin_template_argument_list (pp);
+ pp_cxx_template_argument_list (pp, TYPE_TI_ARGS (t));
+ pp_cxx_end_template_argument_list (pp);
+ break;
+
+ default:
+ pp_unsupported_tree (pp, t);
+ break;
+ }
+}
+
+/* Pretty-print out the token sequence ":: template" in template codes
+ where it is needed to "inline declare" the (following) member as
+ a template. This situation arises when SCOPE of T is dependent
+ on template parameters. */
+
+static inline void
+pp_cxx_template_keyword_if_needed (cxx_pretty_printer *pp, tree scope, tree t)
+{
+ if (TREE_CODE (t) == TEMPLATE_ID_EXPR
+ && TYPE_P (scope) && dependent_type_p (scope))
+ pp_cxx_ws_string (pp, "template");
}
+/* nested-name-specifier:
+ class-or-namespace-name :: nested-name-specifier(opt)
+ class-or-namespace-name :: template nested-name-specifier */
+
static void
-pp_cxx_type_specifier (cxx_pretty_printer *pp, tree t)
+pp_cxx_nested_name_specifier (cxx_pretty_printer *pp, tree t)
{
- pp_unsupported_tree (pp, t);
+ if (t != NULL && t != pp->enclosing_scope)
+ {
+ tree scope = TYPE_P (t) ? TYPE_CONTEXT (t) : DECL_CONTEXT (t);
+ pp_cxx_nested_name_specifier (pp, scope);
+ pp_cxx_template_keyword_if_needed (pp, scope, t);
+ pp_cxx_unqualified_id (pp, t);
+ pp_cxx_colon_colon (pp);
+ }
}
+/* qualified-id:
+ nested-name-specifier template(opt) unqualified-id */
+
static void
-pp_cxx_declarator (cxx_pretty_printer *pp, tree t)
+pp_cxx_qualified_id (cxx_pretty_printer *pp, tree t)
{
- pp_unsupported_tree (pp, t);
+ switch (TREE_CODE (t))
+ {
+ /* A pointer-to-member is always qualified. */
+ case PTRMEM_CST:
+ pp_cxx_nested_name_specifier (pp, PTRMEM_CST_CLASS (t));
+ pp_cxx_unqualified_id (pp, PTRMEM_CST_MEMBER (t));
+ break;
+
+ /* In Standard C++, functions cannot possibly be used as
+ nested-name-specifiers. However, there are situations where
+ is "makes sense" to output the surrounding function name for the
+ purpose of emphasizing on the scope kind. Just printing the
+ function name might not be sufficient as it may be overloaded; so,
+ we decorate the function with its signature too.
+ FIXME: This is probably the wrong pretty-printing for conversion
+ functions and some function templates. */
+ case OVERLOAD:
+ t = OVL_CURRENT (t);
+ case FUNCTION_DECL:
+ if (DECL_FUNCTION_MEMBER_P (t))
+ pp_cxx_nested_name_specifier (pp, DECL_CONTEXT (t));
+ pp_cxx_unqualified_id
+ (pp, DECL_CONSTRUCTOR_P (t) ? DECL_CONTEXT (t) : t);
+ pp_cxx_parameter_declaration_clause (pp, TREE_TYPE (t));
+ break;
+
+ case OFFSET_REF:
+ case SCOPE_REF:
+ pp_cxx_nested_name_specifier (pp, TREE_OPERAND (t, 0));
+ pp_cxx_unqualified_id (pp, TREE_OPERAND (t, 1));
+ break;
+
+ default:
+ {
+ tree scope = TYPE_P (t) ? TYPE_CONTEXT (t) : DECL_CONTEXT (t);
+ if (scope != pp->enclosing_scope)
+ {
+ pp_cxx_nested_name_specifier (pp, scope);
+ pp_cxx_template_keyword_if_needed (pp, scope, t);
+ }
+ pp_cxx_unqualified_id (pp, t);
+ }
+ break;
+ }
}
+
static void
-pp_cxx_direct_declarator (cxx_pretty_printer *pp, tree t)
+pp_cxx_constant (cxx_pretty_printer *pp, tree t)
{
- pp_unsupported_tree (pp, t);
+ switch (TREE_CODE (t))
+ {
+ case STRING_CST:
+ {
+ const bool in_parens = PAREN_STRING_LITERAL_P (t);
+ if (in_parens)
+ pp_cxx_left_paren (pp);
+ pp_c_constant (pp_c_base (pp), t);
+ if (in_parens)
+ pp_cxx_right_paren (pp);
+ }
+ break;
+
+ case INTEGER_CST:
+ if (NULLPTR_TYPE_P (TREE_TYPE (t)))
+ {
+ pp_string (pp, "nullptr");
+ break;
+ }
+ /* else fall through. */
+
+ default:
+ pp_c_constant (pp_c_base (pp), t);
+ break;
+ }
+}
+
+/* id-expression:
+ unqualified-id
+ qualified-id */
+
+static inline void
+pp_cxx_id_expression (cxx_pretty_printer *pp, tree t)
+{
+ if (TREE_CODE (t) == OVERLOAD)
+ t = OVL_CURRENT (t);
+ if (DECL_P (t) && DECL_CONTEXT (t))
+ pp_cxx_qualified_id (pp, t);
+ else
+ pp_cxx_unqualified_id (pp, t);
+}
+
+/* primary-expression:
+ literal
+ this
+ :: identifier
+ :: operator-function-id
+ :: qualifier-id
+ ( expression )
+ id-expression
+
+ GNU Extensions:
+ __builtin_va_arg ( assignment-expression , type-id )
+ __builtin_offsetof ( type-id, offsetof-expression )
+
+ __has_nothrow_assign ( type-id )
+ __has_nothrow_constructor ( type-id )
+ __has_nothrow_copy ( type-id )
+ __has_trivial_assign ( type-id )
+ __has_trivial_constructor ( type-id )
+ __has_trivial_copy ( type-id )
+ __has_trivial_destructor ( type-id )
+ __has_virtual_destructor ( type-id )
+ __is_abstract ( type-id )
+ __is_base_of ( type-id , type-id )
+ __is_class ( type-id )
+ __is_convertible_to ( type-id , type-id )
+ __is_empty ( type-id )
+ __is_enum ( type-id )
+ __is_pod ( type-id )
+ __is_polymorphic ( type-id )
+ __is_union ( type-id ) */
+
+static void
+pp_cxx_primary_expression (cxx_pretty_printer *pp, tree t)
+{
+ switch (TREE_CODE (t))
+ {
+ case INTEGER_CST:
+ case REAL_CST:
+ case COMPLEX_CST:
+ case STRING_CST:
+ pp_cxx_constant (pp, t);
+ break;
+
+ case BASELINK:
+ t = BASELINK_FUNCTIONS (t);
+ case VAR_DECL:
+ case PARM_DECL:
+ case FIELD_DECL:
+ case FUNCTION_DECL:
+ case OVERLOAD:
+ case CONST_DECL:
+ case TEMPLATE_DECL:
+ pp_cxx_id_expression (pp, t);
+ break;
+
+ case RESULT_DECL:
+ case TEMPLATE_TYPE_PARM:
+ case TEMPLATE_TEMPLATE_PARM:
+ case TEMPLATE_PARM_INDEX:
+ pp_cxx_unqualified_id (pp, t);
+ break;
+
+ case STMT_EXPR:
+ pp_cxx_left_paren (pp);
+ pp_cxx_statement (pp, STMT_EXPR_STMT (t));
+ pp_cxx_right_paren (pp);
+ break;
+
+ case TRAIT_EXPR:
+ pp_cxx_trait_expression (pp, t);
+ break;
+
+ case VA_ARG_EXPR:
+ pp_cxx_va_arg_expression (pp, t);
+ break;
+
+ case OFFSETOF_EXPR:
+ pp_cxx_offsetof_expression (pp, t);
+ break;
+
+ default:
+ pp_c_primary_expression (pp_c_base (pp), t);
+ break;
+ }
+}
+
+/* postfix-expression:
+ primary-expression
+ postfix-expression [ expression ]
+ postfix-expression ( expression-list(opt) )
+ simple-type-specifier ( expression-list(opt) )
+ typename ::(opt) nested-name-specifier identifier ( expression-list(opt) )
+ typename ::(opt) nested-name-specifier template(opt)
+ template-id ( expression-list(opt) )
+ postfix-expression . template(opt) ::(opt) id-expression
+ postfix-expression -> template(opt) ::(opt) id-expression
+ postfix-expression . pseudo-destructor-name
+ postfix-expression -> pseudo-destructor-name
+ postfix-expression ++
+ postfix-expression --
+ dynamic_cast < type-id > ( expression )
+ static_cast < type-id > ( expression )
+ reinterpret_cast < type-id > ( expression )
+ const_cast < type-id > ( expression )
+ typeid ( expression )
+ typeid ( type-id ) */
+
+static void
+pp_cxx_postfix_expression (cxx_pretty_printer *pp, tree t)
+{
+ enum tree_code code = TREE_CODE (t);
+
+ switch (code)
+ {
+ case AGGR_INIT_EXPR:
+ case CALL_EXPR:
+ {
+ tree fun = (code == AGGR_INIT_EXPR ? AGGR_INIT_EXPR_FN (t)
+ : CALL_EXPR_FN (t));
+ tree saved_scope = pp->enclosing_scope;
+ bool skipfirst = false;
+ tree arg;
+
+ if (TREE_CODE (fun) == ADDR_EXPR)
+ fun = TREE_OPERAND (fun, 0);
+
+ /* In templates, where there is no way to tell whether a given
+ call uses an actual member function. So the parser builds
+ FUN as a COMPONENT_REF or a plain IDENTIFIER_NODE until
+ instantiation time. */
+ if (TREE_CODE (fun) != FUNCTION_DECL)
+ ;
+ else if (DECL_NONSTATIC_MEMBER_FUNCTION_P (fun))
+ {
+ tree object = (code == AGGR_INIT_EXPR
+ ? (AGGR_INIT_VIA_CTOR_P (t)
+ ? AGGR_INIT_EXPR_SLOT (t)
+ : AGGR_INIT_EXPR_ARG (t, 0))
+ : CALL_EXPR_ARG (t, 0));
+
+ while (TREE_CODE (object) == NOP_EXPR)
+ object = TREE_OPERAND (object, 0);
+
+ if (TREE_CODE (object) == ADDR_EXPR)
+ object = TREE_OPERAND (object, 0);
+
+ if (TREE_CODE (TREE_TYPE (object)) != POINTER_TYPE)
+ {
+ pp_cxx_postfix_expression (pp, object);
+ pp_cxx_dot (pp);
+ }
+ else
+ {
+ pp_cxx_postfix_expression (pp, object);
+ pp_cxx_arrow (pp);
+ }
+ skipfirst = true;
+ pp->enclosing_scope = strip_pointer_operator (TREE_TYPE (object));
+ }
+
+ pp_cxx_postfix_expression (pp, fun);
+ pp->enclosing_scope = saved_scope;
+ pp_cxx_left_paren (pp);
+ if (code == AGGR_INIT_EXPR)
+ {
+ aggr_init_expr_arg_iterator iter;
+ FOR_EACH_AGGR_INIT_EXPR_ARG (arg, iter, t)
+ {
+ if (skipfirst)
+ skipfirst = false;
+ else
+ {
+ pp_cxx_expression (pp, arg);
+ if (more_aggr_init_expr_args_p (&iter))
+ pp_cxx_separate_with (pp, ',');
+ }
+ }
+ }
+ else
+ {
+ call_expr_arg_iterator iter;
+ FOR_EACH_CALL_EXPR_ARG (arg, iter, t)
+ {
+ if (skipfirst)
+ skipfirst = false;
+ else
+ {
+ pp_cxx_expression (pp, arg);
+ if (more_call_expr_args_p (&iter))
+ pp_cxx_separate_with (pp, ',');
+ }
+ }
+ }
+ pp_cxx_right_paren (pp);
+ }
+ if (code == AGGR_INIT_EXPR && AGGR_INIT_VIA_CTOR_P (t))
+ {
+ pp_cxx_separate_with (pp, ',');
+ pp_cxx_postfix_expression (pp, AGGR_INIT_EXPR_SLOT (t));
+ }
+ break;
+
+ case BASELINK:
+ case VAR_DECL:
+ case PARM_DECL:
+ case FIELD_DECL:
+ case FUNCTION_DECL:
+ case OVERLOAD:
+ case CONST_DECL:
+ case TEMPLATE_DECL:
+ case RESULT_DECL:
+ pp_cxx_primary_expression (pp, t);
+ break;
+
+ case DYNAMIC_CAST_EXPR:
+ case STATIC_CAST_EXPR:
+ case REINTERPRET_CAST_EXPR:
+ case CONST_CAST_EXPR:
+ if (code == DYNAMIC_CAST_EXPR)
+ pp_cxx_ws_string (pp, "dynamic_cast");
+ else if (code == STATIC_CAST_EXPR)
+ pp_cxx_ws_string (pp, "static_cast");
+ else if (code == REINTERPRET_CAST_EXPR)
+ pp_cxx_ws_string (pp, "reinterpret_cast");
+ else
+ pp_cxx_ws_string (pp, "const_cast");
+ pp_cxx_begin_template_argument_list (pp);
+ pp_cxx_type_id (pp, TREE_TYPE (t));
+ pp_cxx_end_template_argument_list (pp);
+ pp_left_paren (pp);
+ pp_cxx_expression (pp, TREE_OPERAND (t, 0));
+ pp_right_paren (pp);
+ break;
+
+ case EMPTY_CLASS_EXPR:
+ pp_cxx_type_id (pp, TREE_TYPE (t));
+ pp_left_paren (pp);
+ pp_right_paren (pp);
+ break;
+
+ case TYPEID_EXPR:
+ pp_cxx_typeid_expression (pp, t);
+ break;
+
+ case PSEUDO_DTOR_EXPR:
+ pp_cxx_postfix_expression (pp, TREE_OPERAND (t, 0));
+ pp_cxx_dot (pp);
+ pp_cxx_qualified_id (pp, TREE_OPERAND (t, 1));
+ pp_cxx_colon_colon (pp);
+ pp_complement (pp);
+ pp_cxx_unqualified_id (pp, TREE_OPERAND (t, 2));
+ break;
+
+ case ARROW_EXPR:
+ pp_cxx_postfix_expression (pp, TREE_OPERAND (t, 0));
+ pp_cxx_arrow (pp);
+ break;
+
+ default:
+ pp_c_postfix_expression (pp_c_base (pp), t);
+ break;
+ }
}
+/* new-expression:
+ ::(opt) new new-placement(opt) new-type-id new-initializer(opt)
+ ::(opt) new new-placement(opt) ( type-id ) new-initializer(opt)
+
+ new-placement:
+ ( expression-list )
+
+ new-type-id:
+ type-specifier-seq new-declarator(opt)
+
+ new-declarator:
+ ptr-operator new-declarator(opt)
+ direct-new-declarator
+
+ direct-new-declarator
+ [ expression ]
+ direct-new-declarator [ constant-expression ]
+
+ new-initializer:
+ ( expression-list(opt) ) */
+
+static void
+pp_cxx_new_expression (cxx_pretty_printer *pp, tree t)
+{
+ enum tree_code code = TREE_CODE (t);
+ tree type = TREE_OPERAND (t, 1);
+ tree init = TREE_OPERAND (t, 2);
+ switch (code)
+ {
+ case NEW_EXPR:
+ case VEC_NEW_EXPR:
+ if (NEW_EXPR_USE_GLOBAL (t))
+ pp_cxx_colon_colon (pp);
+ pp_cxx_ws_string (pp, "new");
+ if (TREE_OPERAND (t, 0))
+ {
+ pp_cxx_call_argument_list (pp, TREE_OPERAND (t, 0));
+ pp_space (pp);
+ }
+ if (TREE_CODE (type) == ARRAY_REF)
+ type = build_cplus_array_type
+ (TREE_OPERAND (type, 0),
+ build_index_type (fold_build2_loc (input_location,
+ MINUS_EXPR, integer_type_node,
+ TREE_OPERAND (type, 1),
+ integer_one_node)));
+ pp_cxx_type_id (pp, type);
+ if (init)
+ {
+ pp_left_paren (pp);
+ if (TREE_CODE (init) == TREE_LIST)
+ pp_c_expression_list (pp_c_base (pp), init);
+ else if (init == void_zero_node)
+ ; /* OK, empty initializer list. */
+ else
+ pp_cxx_expression (pp, init);
+ pp_right_paren (pp);
+ }
+ break;
+
+ default:
+ pp_unsupported_tree (pp, t);
+ }
+}
+
+/* delete-expression:
+ ::(opt) delete cast-expression
+ ::(opt) delete [ ] cast-expression */
+
+static void
+pp_cxx_delete_expression (cxx_pretty_printer *pp, tree t)
+{
+ enum tree_code code = TREE_CODE (t);
+ switch (code)
+ {
+ case DELETE_EXPR:
+ case VEC_DELETE_EXPR:
+ if (DELETE_EXPR_USE_GLOBAL (t))
+ pp_cxx_colon_colon (pp);
+ pp_cxx_ws_string (pp, "delete");
+ pp_space (pp);
+ if (code == VEC_DELETE_EXPR
+ || DELETE_EXPR_USE_VEC (t))
+ {
+ pp_left_bracket (pp);
+ pp_right_bracket (pp);
+ pp_space (pp);
+ }
+ pp_c_cast_expression (pp_c_base (pp), TREE_OPERAND (t, 0));
+ break;
+
+ default:
+ pp_unsupported_tree (pp, t);
+ }
+}
+
+/* unary-expression:
+ postfix-expression
+ ++ cast-expression
+ -- cast-expression
+ unary-operator cast-expression
+ sizeof unary-expression
+ sizeof ( type-id )
+ sizeof ... ( identifier )
+ new-expression
+ delete-expression
+
+ unary-operator: one of
+ * & + - !
+
+ GNU extensions:
+ __alignof__ unary-expression
+ __alignof__ ( type-id ) */
+
+static void
+pp_cxx_unary_expression (cxx_pretty_printer *pp, tree t)
+{
+ enum tree_code code = TREE_CODE (t);
+ switch (code)
+ {
+ case NEW_EXPR:
+ case VEC_NEW_EXPR:
+ pp_cxx_new_expression (pp, t);
+ break;
+
+ case DELETE_EXPR:
+ case VEC_DELETE_EXPR:
+ pp_cxx_delete_expression (pp, t);
+ break;
+
+ case SIZEOF_EXPR:
+ if (PACK_EXPANSION_P (TREE_OPERAND (t, 0)))
+ {
+ pp_cxx_ws_string (pp, "sizeof");
+ pp_cxx_ws_string (pp, "...");
+ pp_cxx_whitespace (pp);
+ pp_cxx_left_paren (pp);
+ if (TYPE_P (TREE_OPERAND (t, 0)))
+ pp_cxx_type_id (pp, TREE_OPERAND (t, 0));
+ else
+ pp_unary_expression (pp, TREE_OPERAND (t, 0));
+ pp_cxx_right_paren (pp);
+ break;
+ }
+ /* Fall through */
+
+ case ALIGNOF_EXPR:
+ pp_cxx_ws_string (pp, code == SIZEOF_EXPR ? "sizeof" : "__alignof__");
+ pp_cxx_whitespace (pp);
+ if (TYPE_P (TREE_OPERAND (t, 0)))
+ {
+ pp_cxx_left_paren (pp);
+ pp_cxx_type_id (pp, TREE_OPERAND (t, 0));
+ pp_cxx_right_paren (pp);
+ }
+ else
+ pp_unary_expression (pp, TREE_OPERAND (t, 0));
+ break;
+
+ case UNARY_PLUS_EXPR:
+ pp_plus (pp);
+ pp_cxx_cast_expression (pp, TREE_OPERAND (t, 0));
+ break;
+
+ default:
+ pp_c_unary_expression (pp_c_base (pp), t);
+ break;
+ }
+}
+
+/* cast-expression:
+ unary-expression
+ ( type-id ) cast-expression */
+
+static void
+pp_cxx_cast_expression (cxx_pretty_printer *pp, tree t)
+{
+ switch (TREE_CODE (t))
+ {
+ case CAST_EXPR:
+ pp_cxx_type_id (pp, TREE_TYPE (t));
+ pp_cxx_call_argument_list (pp, TREE_OPERAND (t, 0));
+ break;
+
+ default:
+ pp_c_cast_expression (pp_c_base (pp), t);
+ break;
+ }
+}
+
+/* pm-expression:
+ cast-expression
+ pm-expression .* cast-expression
+ pm-expression ->* cast-expression */
+
+static void
+pp_cxx_pm_expression (cxx_pretty_printer *pp, tree t)
+{
+ switch (TREE_CODE (t))
+ {
+ /* Handle unfortunate OFFSET_REF overloading here. */
+ case OFFSET_REF:
+ if (TYPE_P (TREE_OPERAND (t, 0)))
+ {
+ pp_cxx_qualified_id (pp, t);
+ break;
+ }
+ /* Else fall through. */
+ case MEMBER_REF:
+ case DOTSTAR_EXPR:
+ pp_cxx_pm_expression (pp, TREE_OPERAND (t, 0));
+ if (TREE_CODE (t) == MEMBER_REF)
+ pp_cxx_arrow (pp);
+ else
+ pp_cxx_dot (pp);
+ pp_star(pp);
+ pp_cxx_cast_expression (pp, TREE_OPERAND (t, 1));
+ break;
+
+
+ default:
+ pp_cxx_cast_expression (pp, t);
+ break;
+ }
+}
+
+/* multiplicative-expression:
+ pm-expression
+ multiplicative-expression * pm-expression
+ multiplicative-expression / pm-expression
+ multiplicative-expression % pm-expression */
+
+static void
+pp_cxx_multiplicative_expression (cxx_pretty_printer *pp, tree e)
+{
+ enum tree_code code = TREE_CODE (e);
+ switch (code)
+ {
+ case MULT_EXPR:
+ case TRUNC_DIV_EXPR:
+ case TRUNC_MOD_EXPR:
+ pp_cxx_multiplicative_expression (pp, TREE_OPERAND (e, 0));
+ pp_space (pp);
+ if (code == MULT_EXPR)
+ pp_star (pp);
+ else if (code == TRUNC_DIV_EXPR)
+ pp_slash (pp);
+ else
+ pp_modulo (pp);
+ pp_space (pp);
+ pp_cxx_pm_expression (pp, TREE_OPERAND (e, 1));
+ break;
+
+ default:
+ pp_cxx_pm_expression (pp, e);
+ break;
+ }
+}
+
+/* conditional-expression:
+ logical-or-expression
+ logical-or-expression ? expression : assignment-expression */
+
+static void
+pp_cxx_conditional_expression (cxx_pretty_printer *pp, tree e)
+{
+ if (TREE_CODE (e) == COND_EXPR)
+ {
+ pp_c_logical_or_expression (pp_c_base (pp), TREE_OPERAND (e, 0));
+ pp_space (pp);
+ pp_question (pp);
+ pp_space (pp);
+ pp_cxx_expression (pp, TREE_OPERAND (e, 1));
+ pp_space (pp);
+ pp_cxx_assignment_expression (pp, TREE_OPERAND (e, 2));
+ }
+ else
+ pp_c_logical_or_expression (pp_c_base (pp), e);
+}
+
+/* Pretty-print a compound assignment operator token as indicated by T. */
+
static void
+pp_cxx_assignment_operator (cxx_pretty_printer *pp, tree t)
+{
+ const char *op;
+
+ switch (TREE_CODE (t))
+ {
+ case NOP_EXPR:
+ op = "=";
+ break;
+
+ case PLUS_EXPR:
+ op = "+=";
+ break;
+
+ case MINUS_EXPR:
+ op = "-=";
+ break;
+
+ case TRUNC_DIV_EXPR:
+ op = "/=";
+ break;
+
+ case TRUNC_MOD_EXPR:
+ op = "%=";
+ break;
+
+ default:
+ op = tree_code_name[TREE_CODE (t)];
+ break;
+ }
+
+ pp_cxx_ws_string (pp, op);
+}
+
+
+/* assignment-expression:
+ conditional-expression
+ logical-or-expression assignment-operator assignment-expression
+ throw-expression
+
+ throw-expression:
+ throw assignment-expression(opt)
+
+ assignment-operator: one of
+ = *= /= %= += -= >>= <<= &= ^= |= */
+
+static void
+pp_cxx_assignment_expression (cxx_pretty_printer *pp, tree e)
+{
+ switch (TREE_CODE (e))
+ {
+ case MODIFY_EXPR:
+ case INIT_EXPR:
+ pp_c_logical_or_expression (pp_c_base (pp), TREE_OPERAND (e, 0));
+ pp_space (pp);
+ pp_equal (pp);
+ pp_space (pp);
+ pp_cxx_assignment_expression (pp, TREE_OPERAND (e, 1));
+ break;
+
+ case THROW_EXPR:
+ pp_cxx_ws_string (pp, "throw");
+ if (TREE_OPERAND (e, 0))
+ pp_cxx_assignment_expression (pp, TREE_OPERAND (e, 0));
+ break;
+
+ case MODOP_EXPR:
+ pp_c_logical_or_expression (pp_c_base (pp), TREE_OPERAND (e, 0));
+ pp_cxx_assignment_operator (pp, TREE_OPERAND (e, 1));
+ pp_cxx_assignment_expression (pp, TREE_OPERAND (e, 2));
+ break;
+
+ default:
+ pp_cxx_conditional_expression (pp, e);
+ break;
+ }
+}
+
+static void
+pp_cxx_expression (cxx_pretty_printer *pp, tree t)
+{
+ switch (TREE_CODE (t))
+ {
+ case STRING_CST:
+ case INTEGER_CST:
+ case REAL_CST:
+ case COMPLEX_CST:
+ pp_cxx_constant (pp, t);
+ break;
+
+ case RESULT_DECL:
+ pp_cxx_unqualified_id (pp, t);
+ break;
+
+#if 0
+ case OFFSET_REF:
+#endif
+ case SCOPE_REF:
+ case PTRMEM_CST:
+ pp_cxx_qualified_id (pp, t);
+ break;
+
+ case OVERLOAD:
+ t = OVL_CURRENT (t);
+ case VAR_DECL:
+ case PARM_DECL:
+ case FIELD_DECL:
+ case CONST_DECL:
+ case FUNCTION_DECL:
+ case BASELINK:
+ case TEMPLATE_DECL:
+ case TEMPLATE_TYPE_PARM:
+ case TEMPLATE_PARM_INDEX:
+ case TEMPLATE_TEMPLATE_PARM:
+ case STMT_EXPR:
+ pp_cxx_primary_expression (pp, t);
+ break;
+
+ case CALL_EXPR:
+ case DYNAMIC_CAST_EXPR:
+ case STATIC_CAST_EXPR:
+ case REINTERPRET_CAST_EXPR:
+ case CONST_CAST_EXPR:
+#if 0
+ case MEMBER_REF:
+#endif
+ case EMPTY_CLASS_EXPR:
+ case TYPEID_EXPR:
+ case PSEUDO_DTOR_EXPR:
+ case AGGR_INIT_EXPR:
+ case ARROW_EXPR:
+ pp_cxx_postfix_expression (pp, t);
+ break;
+
+ case NEW_EXPR:
+ case VEC_NEW_EXPR:
+ pp_cxx_new_expression (pp, t);
+ break;
+
+ case DELETE_EXPR:
+ case VEC_DELETE_EXPR:
+ pp_cxx_delete_expression (pp, t);
+ break;
+
+ case SIZEOF_EXPR:
+ case ALIGNOF_EXPR:
+ pp_cxx_unary_expression (pp, t);
+ break;
+
+ case CAST_EXPR:
+ pp_cxx_cast_expression (pp, t);
+ break;
+
+ case OFFSET_REF:
+ case MEMBER_REF:
+ case DOTSTAR_EXPR:
+ pp_cxx_pm_expression (pp, t);
+ break;
+
+ case MULT_EXPR:
+ case TRUNC_DIV_EXPR:
+ case TRUNC_MOD_EXPR:
+ pp_cxx_multiplicative_expression (pp, t);
+ break;
+
+ case COND_EXPR:
+ pp_cxx_conditional_expression (pp, t);
+ break;
+
+ case MODIFY_EXPR:
+ case INIT_EXPR:
+ case THROW_EXPR:
+ case MODOP_EXPR:
+ pp_cxx_assignment_expression (pp, t);
+ break;
+
+ case NON_DEPENDENT_EXPR:
+ case MUST_NOT_THROW_EXPR:
+ pp_cxx_expression (pp, TREE_OPERAND (t, 0));
+ break;
+
+ case EXPR_PACK_EXPANSION:
+ pp_cxx_expression (pp, PACK_EXPANSION_PATTERN (t));
+ pp_cxx_ws_string (pp, "...");
+ break;
+
+ case TEMPLATE_ID_EXPR:
+ pp_cxx_template_id (pp, t);
+ break;
+
+ case NONTYPE_ARGUMENT_PACK:
+ {
+ tree args = ARGUMENT_PACK_ARGS (t);
+ int i, len = TREE_VEC_LENGTH (args);
+ for (i = 0; i < len; ++i)
+ {
+ if (i > 0)
+ pp_cxx_separate_with (pp, ',');
+ pp_cxx_expression (pp, TREE_VEC_ELT (args, i));
+ }
+ }
+ break;
+
+ default:
+ pp_c_expression (pp_c_base (pp), t);
+ break;
+ }
+}
+
+
+/* Declarations. */
+
+/* function-specifier:
+ inline
+ virtual
+ explicit */
+
+static void
+pp_cxx_function_specifier (cxx_pretty_printer *pp, tree t)
+{
+ switch (TREE_CODE (t))
+ {
+ case FUNCTION_DECL:
+ if (DECL_VIRTUAL_P (t))
+ pp_cxx_ws_string (pp, "virtual");
+ else if (DECL_CONSTRUCTOR_P (t) && DECL_NONCONVERTING_P (t))
+ pp_cxx_ws_string (pp, "explicit");
+ else
+ pp_c_function_specifier (pp_c_base (pp), t);
+
+ default:
+ break;
+ }
+}
+
+/* decl-specifier-seq:
+ decl-specifier-seq(opt) decl-specifier
+
+ decl-specifier:
+ storage-class-specifier
+ type-specifier
+ function-specifier
+ friend
+ typedef */
+
+static void
+pp_cxx_decl_specifier_seq (cxx_pretty_printer *pp, tree t)
+{
+ switch (TREE_CODE (t))
+ {
+ case VAR_DECL:
+ case PARM_DECL:
+ case CONST_DECL:
+ case FIELD_DECL:
+ pp_cxx_storage_class_specifier (pp, t);
+ pp_cxx_decl_specifier_seq (pp, TREE_TYPE (t));
+ break;
+
+ case TYPE_DECL:
+ pp_cxx_ws_string (pp, "typedef");
+ pp_cxx_decl_specifier_seq (pp, TREE_TYPE (t));
+ break;
+
+ case FUNCTION_DECL:
+ /* Constructors don't have return types. And conversion functions
+ do not have a type-specifier in their return types. */
+ if (DECL_CONSTRUCTOR_P (t) || DECL_CONV_FN_P (t))
+ pp_cxx_function_specifier (pp, t);
+ else if (DECL_NONSTATIC_MEMBER_FUNCTION_P (t))
+ pp_cxx_decl_specifier_seq (pp, TREE_TYPE (TREE_TYPE (t)));
+ else
+ default:
+ pp_c_declaration_specifiers (pp_c_base (pp), t);
+ break;
+ }
+}
+
+/* simple-type-specifier:
+ ::(opt) nested-name-specifier(opt) type-name
+ ::(opt) nested-name-specifier(opt) template(opt) template-id
+ char
+ wchar_t
+ bool
+ short
+ int
+ long
+ signed
+ unsigned
+ float
+ double
+ void */
+
+static void
+pp_cxx_simple_type_specifier (cxx_pretty_printer *pp, tree t)
+{
+ switch (TREE_CODE (t))
+ {
+ case RECORD_TYPE:
+ case UNION_TYPE:
+ case ENUMERAL_TYPE:
+ pp_cxx_qualified_id (pp, t);
+ break;
+
+ case TEMPLATE_TYPE_PARM:
+ case TEMPLATE_TEMPLATE_PARM:
+ case TEMPLATE_PARM_INDEX:
+ pp_cxx_unqualified_id (pp, t);
+ break;
+
+ case TYPENAME_TYPE:
+ pp_cxx_ws_string (pp, "typename");
+ pp_cxx_nested_name_specifier (pp, TYPE_CONTEXT (t));
+ pp_cxx_unqualified_id (pp, TYPE_NAME (t));
+ break;
+
+ default:
+ pp_c_type_specifier (pp_c_base (pp), t);
+ break;
+ }
+}
+
+/* type-specifier-seq:
+ type-specifier type-specifier-seq(opt)
+
+ type-specifier:
+ simple-type-specifier
+ class-specifier
+ enum-specifier
+ elaborated-type-specifier
+ cv-qualifier */
+
+static void
+pp_cxx_type_specifier_seq (cxx_pretty_printer *pp, tree t)
+{
+ switch (TREE_CODE (t))
+ {
+ case TEMPLATE_DECL:
+ case TEMPLATE_TYPE_PARM:
+ case TEMPLATE_TEMPLATE_PARM:
+ case TYPE_DECL:
+ case BOUND_TEMPLATE_TEMPLATE_PARM:
+ pp_cxx_cv_qualifier_seq (pp, t);
+ pp_cxx_simple_type_specifier (pp, t);
+ break;
+
+ case METHOD_TYPE:
+ pp_cxx_type_specifier_seq (pp, TREE_TYPE (t));
+ pp_cxx_space_for_pointer_operator (pp, TREE_TYPE (t));
+ pp_cxx_nested_name_specifier (pp, TYPE_METHOD_BASETYPE (t));
+ break;
+
+ case DECLTYPE_TYPE:
+ pp_cxx_ws_string (pp, "decltype");
+ pp_cxx_left_paren (pp);
+ pp_cxx_expression (pp, DECLTYPE_TYPE_EXPR (t));
+ pp_cxx_right_paren (pp);
+ break;
+
+ case RECORD_TYPE:
+ if (TYPE_PTRMEMFUNC_P (t))
+ {
+ tree pfm = TYPE_PTRMEMFUNC_FN_TYPE (t);
+ pp_cxx_decl_specifier_seq (pp, TREE_TYPE (TREE_TYPE (pfm)));
+ pp_cxx_whitespace (pp);
+ pp_cxx_ptr_operator (pp, t);
+ break;
+ }
+ /* else fall through */
+
+ default:
+ if (!(TREE_CODE (t) == FUNCTION_DECL && DECL_CONSTRUCTOR_P (t)))
+ pp_c_specifier_qualifier_list (pp_c_base (pp), t);
+ }
+}
+
+/* ptr-operator:
+ * cv-qualifier-seq(opt)
+ &
+ ::(opt) nested-name-specifier * cv-qualifier-seq(opt) */
+
+static void
+pp_cxx_ptr_operator (cxx_pretty_printer *pp, tree t)
+{
+ if (!TYPE_P (t) && TREE_CODE (t) != TYPE_DECL)
+ t = TREE_TYPE (t);
+ switch (TREE_CODE (t))
+ {
+ case REFERENCE_TYPE:
+ case POINTER_TYPE:
+ if (TREE_CODE (TREE_TYPE (t)) == POINTER_TYPE
+ || TYPE_PTR_TO_MEMBER_P (TREE_TYPE (t)))
+ pp_cxx_ptr_operator (pp, TREE_TYPE (t));
+ if (TREE_CODE (t) == POINTER_TYPE)
+ {
+ pp_star (pp);
+ pp_cxx_cv_qualifier_seq (pp, t);
+ }
+ else
+ pp_ampersand (pp);
+ break;
+
+ case RECORD_TYPE:
+ if (TYPE_PTRMEMFUNC_P (t))
+ {
+ pp_cxx_left_paren (pp);
+ pp_cxx_nested_name_specifier (pp, TYPE_PTRMEMFUNC_OBJECT_TYPE (t));
+ pp_star (pp);
+ break;
+ }
+ case OFFSET_TYPE:
+ if (TYPE_PTR_TO_MEMBER_P (t))
+ {
+ if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE)
+ pp_cxx_left_paren (pp);
+ pp_cxx_nested_name_specifier (pp, TYPE_PTRMEM_CLASS_TYPE (t));
+ pp_star (pp);
+ pp_cxx_cv_qualifier_seq (pp, t);
+ break;
+ }
+ /* else fall through. */
+
+ default:
+ pp_unsupported_tree (pp, t);
+ break;
+ }
+}
+
+static inline tree
+pp_cxx_implicit_parameter_type (tree mf)
+{
+ return TREE_TYPE (TREE_VALUE (TYPE_ARG_TYPES (TREE_TYPE (mf))));
+}
+
+/*
+ parameter-declaration:
+ decl-specifier-seq declarator
+ decl-specifier-seq declarator = assignment-expression
+ decl-specifier-seq abstract-declarator(opt)
+ decl-specifier-seq abstract-declarator(opt) assignment-expression */
+
+static inline void
pp_cxx_parameter_declaration (cxx_pretty_printer *pp, tree t)
{
- pp_unsupported_tree (pp, t);
+ pp_cxx_decl_specifier_seq (pp, t);
+ if (TYPE_P (t))
+ pp_cxx_abstract_declarator (pp, t);
+ else
+ pp_cxx_declarator (pp, t);
+}
+
+/* parameter-declaration-clause:
+ parameter-declaration-list(opt) ...(opt)
+ parameter-declaration-list , ...
+
+ parameter-declaration-list:
+ parameter-declaration
+ parameter-declaration-list , parameter-declaration */
+
+static void
+pp_cxx_parameter_declaration_clause (cxx_pretty_printer *pp, tree t)
+{
+ tree args = TYPE_P (t) ? NULL : FUNCTION_FIRST_USER_PARM (t);
+ tree types =
+ TYPE_P (t) ? TYPE_ARG_TYPES (t) : FUNCTION_FIRST_USER_PARMTYPE (t);
+ const bool abstract = args == NULL
+ || pp_c_base (pp)->flags & pp_c_flag_abstract;
+ bool first = true;
+
+ /* Skip artificial parameter for nonstatic member functions. */
+ if (TREE_CODE (t) == METHOD_TYPE)
+ types = TREE_CHAIN (types);
+
+ pp_cxx_left_paren (pp);
+ for (; args; args = TREE_CHAIN (args), types = TREE_CHAIN (types))
+ {
+ if (!first)
+ pp_cxx_separate_with (pp, ',');
+ first = false;
+ pp_cxx_parameter_declaration (pp, abstract ? TREE_VALUE (types) : args);
+ if (!abstract && pp_c_base (pp)->flags & pp_cxx_flag_default_argument)
+ {
+ pp_cxx_whitespace (pp);
+ pp_equal (pp);
+ pp_cxx_whitespace (pp);
+ pp_cxx_assignment_expression (pp, TREE_PURPOSE (types));
+ }
+ }
+ pp_cxx_right_paren (pp);
+}
+
+/* exception-specification:
+ throw ( type-id-list(opt) )
+
+ type-id-list
+ type-id
+ type-id-list , type-id */
+
+static void
+pp_cxx_exception_specification (cxx_pretty_printer *pp, tree t)
+{
+ tree ex_spec = TYPE_RAISES_EXCEPTIONS (t);
+ bool need_comma = false;
+
+ if (!TYPE_NOTHROW_P (t) && ex_spec == NULL)
+ return;
+ pp_cxx_ws_string (pp, "throw");
+ pp_cxx_left_paren (pp);
+ for (; ex_spec && TREE_VALUE (ex_spec); ex_spec = TREE_CHAIN (ex_spec))
+ {
+ tree type = TREE_VALUE (ex_spec);
+ tree argpack = NULL_TREE;
+ int i, len = 1;
+
+ if (ARGUMENT_PACK_P (type))
+ {
+ argpack = ARGUMENT_PACK_ARGS (type);
+ len = TREE_VEC_LENGTH (argpack);
+ }
+
+ for (i = 0; i < len; ++i)
+ {
+ if (argpack)
+ type = TREE_VEC_ELT (argpack, i);
+
+ if (need_comma)
+ pp_cxx_separate_with (pp, ',');
+ else
+ need_comma = true;
+
+ pp_cxx_type_id (pp, type);
+ }
+ }
+ pp_cxx_right_paren (pp);
}
+/* direct-declarator:
+ declarator-id
+ direct-declarator ( parameter-declaration-clause ) cv-qualifier-seq(opt)
+ exception-specification(opt)
+ direct-declaration [ constant-expression(opt) ]
+ ( declarator ) */
+
+static void
+pp_cxx_direct_declarator (cxx_pretty_printer *pp, tree t)
+{
+ switch (TREE_CODE (t))
+ {
+ case VAR_DECL:
+ case PARM_DECL:
+ case CONST_DECL:
+ case FIELD_DECL:
+ if (DECL_NAME (t))
+ {
+ pp_cxx_space_for_pointer_operator (pp, TREE_TYPE (t));
+
+ if ((TREE_CODE (t) == PARM_DECL && FUNCTION_PARAMETER_PACK_P (t))
+ || template_parameter_pack_p (t))
+ /* A function parameter pack or non-type template
+ parameter pack. */
+ pp_cxx_ws_string (pp, "...");
+
+ pp_cxx_id_expression (pp, DECL_NAME (t));
+ }
+ pp_cxx_abstract_declarator (pp, TREE_TYPE (t));
+ break;
+
+ case FUNCTION_DECL:
+ pp_cxx_space_for_pointer_operator (pp, TREE_TYPE (TREE_TYPE (t)));
+ pp_cxx_id_expression (pp, t);
+ pp_cxx_parameter_declaration_clause (pp, t);
+
+ if (DECL_NONSTATIC_MEMBER_FUNCTION_P (t))
+ {
+ pp_base (pp)->padding = pp_before;
+ pp_cxx_cv_qualifier_seq (pp, pp_cxx_implicit_parameter_type (t));
+ }
+
+ pp_cxx_exception_specification (pp, TREE_TYPE (t));
+ break;
+
+ case TYPENAME_TYPE:
+ case TEMPLATE_DECL:
+ case TEMPLATE_TYPE_PARM:
+ case TEMPLATE_PARM_INDEX:
+ case TEMPLATE_TEMPLATE_PARM:
+ break;
+
+ default:
+ pp_c_direct_declarator (pp_c_base (pp), t);
+ break;
+ }
+}
+
+/* declarator:
+ direct-declarator
+ ptr-operator declarator */
+
+static void
+pp_cxx_declarator (cxx_pretty_printer *pp, tree t)
+{
+ pp_cxx_direct_declarator (pp, t);
+}
+
+/* ctor-initializer:
+ : mem-initializer-list
+
+ mem-initializer-list:
+ mem-initializer
+ mem-initializer , mem-initializer-list
+
+ mem-initializer:
+ mem-initializer-id ( expression-list(opt) )
+
+ mem-initializer-id:
+ ::(opt) nested-name-specifier(opt) class-name
+ identifier */
+
+static void
+pp_cxx_ctor_initializer (cxx_pretty_printer *pp, tree t)
+{
+ t = TREE_OPERAND (t, 0);
+ pp_cxx_whitespace (pp);
+ pp_colon (pp);
+ pp_cxx_whitespace (pp);
+ for (; t; t = TREE_CHAIN (t))
+ {
+ tree purpose = TREE_PURPOSE (t);
+ bool is_pack = PACK_EXPANSION_P (purpose);
+
+ if (is_pack)
+ pp_cxx_primary_expression (pp, PACK_EXPANSION_PATTERN (purpose));
+ else
+ pp_cxx_primary_expression (pp, purpose);
+ pp_cxx_call_argument_list (pp, TREE_VALUE (t));
+ if (is_pack)
+ pp_cxx_ws_string (pp, "...");
+ if (TREE_CHAIN (t))
+ pp_cxx_separate_with (pp, ',');
+ }
+}
+
+/* function-definition:
+ decl-specifier-seq(opt) declarator ctor-initializer(opt) function-body
+ decl-specifier-seq(opt) declarator function-try-block */
+
+static void
+pp_cxx_function_definition (cxx_pretty_printer *pp, tree t)
+{
+ tree saved_scope = pp->enclosing_scope;
+ pp_cxx_decl_specifier_seq (pp, t);
+ pp_cxx_declarator (pp, t);
+ pp_needs_newline (pp) = true;
+ pp->enclosing_scope = DECL_CONTEXT (t);
+ if (DECL_SAVED_TREE (t))
+ pp_cxx_statement (pp, DECL_SAVED_TREE (t));
+ else
+ {
+ pp_cxx_semicolon (pp);
+ pp_needs_newline (pp) = true;
+ }
+ pp_flush (pp);
+ pp->enclosing_scope = saved_scope;
+}
+
+/* abstract-declarator:
+ ptr-operator abstract-declarator(opt)
+ direct-abstract-declarator */
+
+static void
+pp_cxx_abstract_declarator (cxx_pretty_printer *pp, tree t)
+{
+ if (TYPE_PTRMEM_P (t) || TYPE_PTRMEMFUNC_P (t))
+ pp_cxx_right_paren (pp);
+ else if (POINTER_TYPE_P (t))
+ {
+ if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE
+ || TREE_CODE (TREE_TYPE (t)) == FUNCTION_TYPE)
+ pp_cxx_right_paren (pp);
+ t = TREE_TYPE (t);
+ }
+ pp_cxx_direct_abstract_declarator (pp, t);
+}
+
+/* direct-abstract-declarator:
+ direct-abstract-declarator(opt) ( parameter-declaration-clause )
+ cv-qualifier-seq(opt) exception-specification(opt)
+ direct-abstract-declarator(opt) [ constant-expression(opt) ]
+ ( abstract-declarator ) */
+
+static void
+pp_cxx_direct_abstract_declarator (cxx_pretty_printer *pp, tree t)
+{
+ switch (TREE_CODE (t))
+ {
+ case REFERENCE_TYPE:
+ pp_cxx_abstract_declarator (pp, t);
+ break;
+
+ case RECORD_TYPE:
+ if (TYPE_PTRMEMFUNC_P (t))
+ pp_cxx_direct_abstract_declarator (pp, TYPE_PTRMEMFUNC_FN_TYPE (t));
+ break;
+
+ case METHOD_TYPE:
+ case FUNCTION_TYPE:
+ pp_cxx_parameter_declaration_clause (pp, t);
+ pp_cxx_direct_abstract_declarator (pp, TREE_TYPE (t));
+ if (TREE_CODE (t) == METHOD_TYPE)
+ {
+ pp_base (pp)->padding = pp_before;
+ pp_cxx_cv_qualifier_seq
+ (pp, TREE_TYPE (TREE_VALUE (TYPE_ARG_TYPES (t))));
+ }
+ pp_cxx_exception_specification (pp, t);
+ break;
+
+ case TYPENAME_TYPE:
+ case TEMPLATE_TYPE_PARM:
+ case TEMPLATE_TEMPLATE_PARM:
+ case BOUND_TEMPLATE_TEMPLATE_PARM:
+ case UNBOUND_CLASS_TEMPLATE:
+ break;
+
+ default:
+ pp_c_direct_abstract_declarator (pp_c_base (pp), t);
+ break;
+ }
+}
+
+/* type-id:
+ type-specifier-seq abstract-declarator(opt) */
+
static void
pp_cxx_type_id (cxx_pretty_printer *pp, tree t)
{
- pp_unsupported_tree (pp, t);
+ pp_flags saved_flags = pp_c_base (pp)->flags;
+ pp_c_base (pp)->flags |= pp_c_flag_abstract;
+
+ switch (TREE_CODE (t))
+ {
+ case TYPE_DECL:
+ case UNION_TYPE:
+ case RECORD_TYPE:
+ case ENUMERAL_TYPE:
+ case TYPENAME_TYPE:
+ case BOUND_TEMPLATE_TEMPLATE_PARM:
+ case UNBOUND_CLASS_TEMPLATE:
+ case TEMPLATE_TEMPLATE_PARM:
+ case TEMPLATE_TYPE_PARM:
+ case TEMPLATE_PARM_INDEX:
+ case TEMPLATE_DECL:
+ case TYPEOF_TYPE:
+ case DECLTYPE_TYPE:
+ case TEMPLATE_ID_EXPR:
+ pp_cxx_type_specifier_seq (pp, t);
+ break;
+
+ case TYPE_PACK_EXPANSION:
+ pp_cxx_type_id (pp, PACK_EXPANSION_PATTERN (t));
+ pp_cxx_ws_string (pp, "...");
+ break;
+
+ default:
+ pp_c_type_id (pp_c_base (pp), t);
+ break;
+ }
+
+ pp_c_base (pp)->flags = saved_flags;
+}
+
+/* template-argument-list:
+ template-argument ...(opt)
+ template-argument-list, template-argument ...(opt)
+
+ template-argument:
+ assignment-expression
+ type-id
+ template-name */
+
+static void
+pp_cxx_template_argument_list (cxx_pretty_printer *pp, tree t)
+{
+ int i;
+ bool need_comma = false;
+
+ if (t == NULL)
+ return;
+ for (i = 0; i < TREE_VEC_LENGTH (t); ++i)
+ {
+ tree arg = TREE_VEC_ELT (t, i);
+ tree argpack = NULL_TREE;
+ int idx, len = 1;
+
+ if (ARGUMENT_PACK_P (arg))
+ {
+ argpack = ARGUMENT_PACK_ARGS (arg);
+ len = TREE_VEC_LENGTH (argpack);
+ }
+
+ for (idx = 0; idx < len; idx++)
+ {
+ if (argpack)
+ arg = TREE_VEC_ELT (argpack, idx);
+
+ if (need_comma)
+ pp_cxx_separate_with (pp, ',');
+ else
+ need_comma = true;
+
+ if (TYPE_P (arg) || (TREE_CODE (arg) == TEMPLATE_DECL
+ && TYPE_P (DECL_TEMPLATE_RESULT (arg))))
+ pp_cxx_type_id (pp, arg);
+ else
+ pp_cxx_expression (pp, arg);
+ }
+ }
+}
+
+
+static void
+pp_cxx_exception_declaration (cxx_pretty_printer *pp, tree t)
+{
+ t = DECL_EXPR_DECL (t);
+ pp_cxx_type_specifier_seq (pp, t);
+ if (TYPE_P (t))
+ pp_cxx_abstract_declarator (pp, t);
+ else
+ pp_cxx_declarator (pp, t);
}
/* Statements. */
-void
+static void
pp_cxx_statement (cxx_pretty_printer *pp, tree t)
{
- pp_unsupported_tree (pp, t);
+ switch (TREE_CODE (t))
+ {
+ case CTOR_INITIALIZER:
+ pp_cxx_ctor_initializer (pp, t);
+ break;
+
+ case USING_STMT:
+ pp_cxx_ws_string (pp, "using");
+ pp_cxx_ws_string (pp, "namespace");
+ if (DECL_CONTEXT (t))
+ pp_cxx_nested_name_specifier (pp, DECL_CONTEXT (t));
+ pp_cxx_qualified_id (pp, USING_STMT_NAMESPACE (t));
+ break;
+
+ case USING_DECL:
+ pp_cxx_ws_string (pp, "using");
+ pp_cxx_nested_name_specifier (pp, USING_DECL_SCOPE (t));
+ pp_cxx_unqualified_id (pp, DECL_NAME (t));
+ break;
+
+ case EH_SPEC_BLOCK:
+ break;
+
+ /* try-block:
+ try compound-statement handler-seq */
+ case TRY_BLOCK:
+ pp_maybe_newline_and_indent (pp, 0);
+ pp_cxx_ws_string (pp, "try");
+ pp_newline_and_indent (pp, 3);
+ pp_cxx_statement (pp, TRY_STMTS (t));
+ pp_newline_and_indent (pp, -3);
+ if (CLEANUP_P (t))
+ ;
+ else
+ pp_cxx_statement (pp, TRY_HANDLERS (t));
+ break;
+
+ /*
+ handler-seq:
+ handler handler-seq(opt)
+
+ handler:
+ catch ( exception-declaration ) compound-statement
+
+ exception-declaration:
+ type-specifier-seq declarator
+ type-specifier-seq abstract-declarator
+ ... */
+ case HANDLER:
+ pp_cxx_ws_string (pp, "catch");
+ pp_cxx_left_paren (pp);
+ pp_cxx_exception_declaration (pp, HANDLER_PARMS (t));
+ pp_cxx_right_paren (pp);
+ pp_indentation (pp) += 3;
+ pp_needs_newline (pp) = true;
+ pp_cxx_statement (pp, HANDLER_BODY (t));
+ pp_indentation (pp) -= 3;
+ pp_needs_newline (pp) = true;
+ break;
+
+ /* selection-statement:
+ if ( expression ) statement
+ if ( expression ) statement else statement */
+ case IF_STMT:
+ pp_cxx_ws_string (pp, "if");
+ pp_cxx_whitespace (pp);
+ pp_cxx_left_paren (pp);
+ pp_cxx_expression (pp, IF_COND (t));
+ pp_cxx_right_paren (pp);
+ pp_newline_and_indent (pp, 2);
+ pp_cxx_statement (pp, THEN_CLAUSE (t));
+ pp_newline_and_indent (pp, -2);
+ if (ELSE_CLAUSE (t))
+ {
+ tree else_clause = ELSE_CLAUSE (t);
+ pp_cxx_ws_string (pp, "else");
+ if (TREE_CODE (else_clause) == IF_STMT)
+ pp_cxx_whitespace (pp);
+ else
+ pp_newline_and_indent (pp, 2);
+ pp_cxx_statement (pp, else_clause);
+ if (TREE_CODE (else_clause) != IF_STMT)
+ pp_newline_and_indent (pp, -2);
+ }
+ break;
+
+ case SWITCH_STMT:
+ pp_cxx_ws_string (pp, "switch");
+ pp_space (pp);
+ pp_cxx_left_paren (pp);
+ pp_cxx_expression (pp, SWITCH_STMT_COND (t));
+ pp_cxx_right_paren (pp);
+ pp_indentation (pp) += 3;
+ pp_needs_newline (pp) = true;
+ pp_cxx_statement (pp, SWITCH_STMT_BODY (t));
+ pp_newline_and_indent (pp, -3);
+ break;
+
+ /* iteration-statement:
+ while ( expression ) statement
+ do statement while ( expression ) ;
+ for ( expression(opt) ; expression(opt) ; expression(opt) ) statement
+ for ( declaration expression(opt) ; expression(opt) ) statement */
+ case WHILE_STMT:
+ pp_cxx_ws_string (pp, "while");
+ pp_space (pp);
+ pp_cxx_left_paren (pp);
+ pp_cxx_expression (pp, WHILE_COND (t));
+ pp_cxx_right_paren (pp);
+ pp_newline_and_indent (pp, 3);
+ pp_cxx_statement (pp, WHILE_BODY (t));
+ pp_indentation (pp) -= 3;
+ pp_needs_newline (pp) = true;
+ break;
+
+ case DO_STMT:
+ pp_cxx_ws_string (pp, "do");
+ pp_newline_and_indent (pp, 3);
+ pp_cxx_statement (pp, DO_BODY (t));
+ pp_newline_and_indent (pp, -3);
+ pp_cxx_ws_string (pp, "while");
+ pp_space (pp);
+ pp_cxx_left_paren (pp);
+ pp_cxx_expression (pp, DO_COND (t));
+ pp_cxx_right_paren (pp);
+ pp_cxx_semicolon (pp);
+ pp_needs_newline (pp) = true;
+ break;
+
+ case FOR_STMT:
+ pp_cxx_ws_string (pp, "for");
+ pp_space (pp);
+ pp_cxx_left_paren (pp);
+ if (FOR_INIT_STMT (t))
+ pp_cxx_statement (pp, FOR_INIT_STMT (t));
+ else
+ pp_cxx_semicolon (pp);
+ pp_needs_newline (pp) = false;
+ pp_cxx_whitespace (pp);
+ if (FOR_COND (t))
+ pp_cxx_expression (pp, FOR_COND (t));
+ pp_cxx_semicolon (pp);
+ pp_needs_newline (pp) = false;
+ pp_cxx_whitespace (pp);
+ if (FOR_EXPR (t))
+ pp_cxx_expression (pp, FOR_EXPR (t));
+ pp_cxx_right_paren (pp);
+ pp_newline_and_indent (pp, 3);
+ pp_cxx_statement (pp, FOR_BODY (t));
+ pp_indentation (pp) -= 3;
+ pp_needs_newline (pp) = true;
+ break;
+
+ /* jump-statement:
+ goto identifier;
+ continue ;
+ return expression(opt) ; */
+ case BREAK_STMT:
+ case CONTINUE_STMT:
+ pp_string (pp, TREE_CODE (t) == BREAK_STMT ? "break" : "continue");
+ pp_cxx_semicolon (pp);
+ pp_needs_newline (pp) = true;
+ break;
+
+ /* expression-statement:
+ expression(opt) ; */
+ case EXPR_STMT:
+ pp_cxx_expression (pp, EXPR_STMT_EXPR (t));
+ pp_cxx_semicolon (pp);
+ pp_needs_newline (pp) = true;
+ break;
+
+ case CLEANUP_STMT:
+ pp_cxx_ws_string (pp, "try");
+ pp_newline_and_indent (pp, 2);
+ pp_cxx_statement (pp, CLEANUP_BODY (t));
+ pp_newline_and_indent (pp, -2);
+ pp_cxx_ws_string (pp, CLEANUP_EH_ONLY (t) ? "catch" : "finally");
+ pp_newline_and_indent (pp, 2);
+ pp_cxx_statement (pp, CLEANUP_EXPR (t));
+ pp_newline_and_indent (pp, -2);
+ break;
+
+ case STATIC_ASSERT:
+ pp_cxx_declaration (pp, t);
+ break;
+
+ default:
+ pp_c_statement (pp_c_base (pp), t);
+ break;
+ }
}
-/* Expressions. */
+/* original-namespace-definition:
+ namespace identifier { namespace-body }
+
+ As an edge case, we also handle unnamed namespace definition here. */
static void
-pp_cxx_primary_expression (cxx_pretty_printer *pp, tree t)
+pp_cxx_original_namespace_definition (cxx_pretty_printer *pp, tree t)
{
- pp_unsupported_tree (pp, t);
+ pp_cxx_ws_string (pp, "namespace");
+ if (DECL_CONTEXT (t))
+ pp_cxx_nested_name_specifier (pp, DECL_CONTEXT (t));
+ if (DECL_NAME (t))
+ pp_cxx_unqualified_id (pp, t);
+ pp_cxx_whitespace (pp);
+ pp_cxx_left_brace (pp);
+ /* We do not print the namespace-body. */
+ pp_cxx_whitespace (pp);
+ pp_cxx_right_brace (pp);
}
+/* namespace-alias:
+ identifier
+
+ namespace-alias-definition:
+ namespace identifier = qualified-namespace-specifier ;
+
+ qualified-namespace-specifier:
+ ::(opt) nested-name-specifier(opt) namespace-name */
+
static void
-pp_cxx_postfix_expression (cxx_pretty_printer *pp, tree t)
+pp_cxx_namespace_alias_definition (cxx_pretty_printer *pp, tree t)
{
- pp_unsupported_tree (pp, t);
+ pp_cxx_ws_string (pp, "namespace");
+ if (DECL_CONTEXT (t))
+ pp_cxx_nested_name_specifier (pp, DECL_CONTEXT (t));
+ pp_cxx_unqualified_id (pp, t);
+ pp_cxx_whitespace (pp);
+ pp_equal (pp);
+ pp_cxx_whitespace (pp);
+ if (DECL_CONTEXT (DECL_NAMESPACE_ALIAS (t)))
+ pp_cxx_nested_name_specifier (pp,
+ DECL_CONTEXT (DECL_NAMESPACE_ALIAS (t)));
+ pp_cxx_qualified_id (pp, DECL_NAMESPACE_ALIAS (t));
+ pp_cxx_semicolon (pp);
}
+/* simple-declaration:
+ decl-specifier-seq(opt) init-declarator-list(opt) */
+
static void
-pp_cxx_unary_expression (cxx_pretty_printer *pp, tree t)
+pp_cxx_simple_declaration (cxx_pretty_printer *pp, tree t)
{
- pp_unsupported_tree (pp, t);
+ pp_cxx_decl_specifier_seq (pp, t);
+ pp_cxx_init_declarator (pp, t);
+ pp_cxx_semicolon (pp);
+ pp_needs_newline (pp) = true;
}
+/*
+ template-parameter-list:
+ template-parameter
+ template-parameter-list , template-parameter */
+
+static inline void
+pp_cxx_template_parameter_list (cxx_pretty_printer *pp, tree t)
+{
+ const int n = TREE_VEC_LENGTH (t);
+ int i;
+ for (i = 0; i < n; ++i)
+ {
+ if (i)
+ pp_cxx_separate_with (pp, ',');
+ pp_cxx_template_parameter (pp, TREE_VEC_ELT (t, i));
+ }
+}
+
+/* template-parameter:
+ type-parameter
+ parameter-declaration
+
+ type-parameter:
+ class ...(opt) identifier(opt)
+ class identifier(opt) = type-id
+ typename identifier(opt)
+ typename ...(opt) identifier(opt) = type-id
+ template < template-parameter-list > class ...(opt) identifier(opt)
+ template < template-parameter-list > class identifier(opt) = template-name */
+
static void
-pp_cxx_initializer (cxx_pretty_printer *pp, tree t)
+pp_cxx_template_parameter (cxx_pretty_printer *pp, tree t)
{
- pp_unsupported_tree (pp, t);
+ tree parameter = TREE_VALUE (t);
+ switch (TREE_CODE (parameter))
+ {
+ case TYPE_DECL:
+ pp_cxx_ws_string (pp, "class");
+ if (TEMPLATE_TYPE_PARAMETER_PACK (TREE_TYPE (t)))
+ pp_cxx_ws_string (pp, "...");
+ if (DECL_NAME (parameter))
+ pp_cxx_tree_identifier (pp, DECL_NAME (parameter));
+ /* FIXME: Check if we should print also default argument. */
+ break;
+
+ case PARM_DECL:
+ pp_cxx_parameter_declaration (pp, parameter);
+ break;
+
+ case TEMPLATE_DECL:
+ break;
+
+ default:
+ pp_unsupported_tree (pp, t);
+ break;
+ }
+}
+
+/* Pretty-print a template parameter in the canonical form
+ "template-parameter-<level>-<position in parameter list>". */
+
+void
+pp_cxx_canonical_template_parameter (cxx_pretty_printer *pp, tree parm)
+{
+ const enum tree_code code = TREE_CODE (parm);
+
+ /* Brings type template parameters to the canonical forms. */
+ if (code == TEMPLATE_TYPE_PARM || code == TEMPLATE_TEMPLATE_PARM
+ || code == BOUND_TEMPLATE_TEMPLATE_PARM)
+ parm = TEMPLATE_TYPE_PARM_INDEX (parm);
+
+ pp_cxx_begin_template_argument_list (pp);
+ pp_cxx_ws_string (pp, M_("template-parameter-"));
+ pp_wide_integer (pp, TEMPLATE_PARM_LEVEL (parm));
+ pp_minus (pp);
+ pp_wide_integer (pp, TEMPLATE_PARM_IDX (parm) + 1);
+ pp_cxx_end_template_argument_list (pp);
}
+/*
+ template-declaration:
+ export(opt) template < template-parameter-list > declaration */
+
static void
-pp_cxx_multiplicatice_expression (cxx_pretty_printer *pp, tree t)
+pp_cxx_template_declaration (cxx_pretty_printer *pp, tree t)
{
- pp_unsupported_tree (pp, t);
+ tree tmpl = most_general_template (t);
+ tree level;
+ int i = 0;
+
+ pp_maybe_newline_and_indent (pp, 0);
+ for (level = DECL_TEMPLATE_PARMS (tmpl); level; level = TREE_CHAIN (level))
+ {
+ pp_cxx_ws_string (pp, "template");
+ pp_cxx_begin_template_argument_list (pp);
+ pp_cxx_template_parameter_list (pp, TREE_VALUE (level));
+ pp_cxx_end_template_argument_list (pp);
+ pp_newline_and_indent (pp, 3);
+ i += 3;
+ }
+ if (TREE_CODE (t) == FUNCTION_DECL && DECL_SAVED_TREE (t))
+ pp_cxx_function_definition (pp, t);
+ else
+ pp_cxx_simple_declaration (pp, t);
}
static void
-pp_cxx_conditional_expression (cxx_pretty_printer *pp, tree t)
+pp_cxx_explicit_specialization (cxx_pretty_printer *pp, tree t)
{
pp_unsupported_tree (pp, t);
}
static void
-pp_cxx_assignment_expression (cxx_pretty_printer *pp, tree t)
+pp_cxx_explicit_instantiation (cxx_pretty_printer *pp, tree t)
{
pp_unsupported_tree (pp, t);
}
+/*
+ declaration:
+ block-declaration
+ function-definition
+ template-declaration
+ explicit-instantiation
+ explicit-specialization
+ linkage-specification
+ namespace-definition
+
+ block-declaration:
+ simple-declaration
+ asm-definition
+ namespace-alias-definition
+ using-declaration
+ using-directive
+ static_assert-declaration */
void
-pp_cxx_expression (cxx_pretty_printer *pp, tree t)
+pp_cxx_declaration (cxx_pretty_printer *pp, tree t)
{
- pp_unsupported_tree (pp, t);
+ if (TREE_CODE (t) == STATIC_ASSERT)
+ {
+ pp_cxx_ws_string (pp, "static_assert");
+ pp_cxx_left_paren (pp);
+ pp_cxx_expression (pp, STATIC_ASSERT_CONDITION (t));
+ pp_cxx_separate_with (pp, ',');
+ pp_cxx_expression (pp, STATIC_ASSERT_MESSAGE (t));
+ pp_cxx_right_paren (pp);
+ }
+ else if (!DECL_LANG_SPECIFIC (t))
+ pp_cxx_simple_declaration (pp, t);
+ else if (DECL_USE_TEMPLATE (t))
+ switch (DECL_USE_TEMPLATE (t))
+ {
+ case 1:
+ pp_cxx_template_declaration (pp, t);
+ break;
+
+ case 2:
+ pp_cxx_explicit_specialization (pp, t);
+ break;
+
+ case 3:
+ pp_cxx_explicit_instantiation (pp, t);
+ break;
+
+ default:
+ break;
+ }
+ else switch (TREE_CODE (t))
+ {
+ case VAR_DECL:
+ case TYPE_DECL:
+ pp_cxx_simple_declaration (pp, t);
+ break;
+
+ case FUNCTION_DECL:
+ if (DECL_SAVED_TREE (t))
+ pp_cxx_function_definition (pp, t);
+ else
+ pp_cxx_simple_declaration (pp, t);
+ break;
+
+ case NAMESPACE_DECL:
+ if (DECL_NAMESPACE_ALIAS (t))
+ pp_cxx_namespace_alias_definition (pp, t);
+ else
+ pp_cxx_original_namespace_definition (pp, t);
+ break;
+
+ default:
+ pp_unsupported_tree (pp, t);
+ break;
+ }
+}
+
+static void
+pp_cxx_typeid_expression (cxx_pretty_printer *pp, tree t)
+{
+ t = TREE_OPERAND (t, 0);
+ pp_cxx_ws_string (pp, "typeid");
+ pp_cxx_left_paren (pp);
+ if (TYPE_P (t))
+ pp_cxx_type_id (pp, t);
+ else
+ pp_cxx_expression (pp, t);
+ pp_cxx_right_paren (pp);
+}
+
+void
+pp_cxx_va_arg_expression (cxx_pretty_printer *pp, tree t)
+{
+ pp_cxx_ws_string (pp, "va_arg");
+ pp_cxx_left_paren (pp);
+ pp_cxx_assignment_expression (pp, TREE_OPERAND (t, 0));
+ pp_cxx_separate_with (pp, ',');
+ pp_cxx_type_id (pp, TREE_TYPE (t));
+ pp_cxx_right_paren (pp);
+}
+
+static bool
+pp_cxx_offsetof_expression_1 (cxx_pretty_printer *pp, tree t)
+{
+ switch (TREE_CODE (t))
+ {
+ case ARROW_EXPR:
+ if (TREE_CODE (TREE_OPERAND (t, 0)) == STATIC_CAST_EXPR
+ && POINTER_TYPE_P (TREE_TYPE (TREE_OPERAND (t, 0))))
+ {
+ pp_cxx_type_id (pp, TREE_TYPE (TREE_TYPE (TREE_OPERAND (t, 0))));
+ pp_cxx_separate_with (pp, ',');
+ return true;
+ }
+ return false;
+ case COMPONENT_REF:
+ if (!pp_cxx_offsetof_expression_1 (pp, TREE_OPERAND (t, 0)))
+ return false;
+ if (TREE_CODE (TREE_OPERAND (t, 0)) != ARROW_EXPR)
+ pp_cxx_dot (pp);
+ pp_cxx_expression (pp, TREE_OPERAND (t, 1));
+ return true;
+ case ARRAY_REF:
+ if (!pp_cxx_offsetof_expression_1 (pp, TREE_OPERAND (t, 0)))
+ return false;
+ pp_left_bracket (pp);
+ pp_cxx_expression (pp, TREE_OPERAND (t, 1));
+ pp_right_bracket (pp);
+ return true;
+ default:
+ return false;
+ }
+}
+
+void
+pp_cxx_offsetof_expression (cxx_pretty_printer *pp, tree t)
+{
+ pp_cxx_ws_string (pp, "offsetof");
+ pp_cxx_left_paren (pp);
+ if (!pp_cxx_offsetof_expression_1 (pp, TREE_OPERAND (t, 0)))
+ pp_cxx_expression (pp, TREE_OPERAND (t, 0));
+ pp_cxx_right_paren (pp);
}
+void
+pp_cxx_trait_expression (cxx_pretty_printer *pp, tree t)
+{
+ cp_trait_kind kind = TRAIT_EXPR_KIND (t);
+
+ switch (kind)
+ {
+ case CPTK_HAS_NOTHROW_ASSIGN:
+ pp_cxx_ws_string (pp, "__has_nothrow_assign");
+ break;
+ case CPTK_HAS_TRIVIAL_ASSIGN:
+ pp_cxx_ws_string (pp, "__has_trivial_assign");
+ break;
+ case CPTK_HAS_NOTHROW_CONSTRUCTOR:
+ pp_cxx_ws_string (pp, "__has_nothrow_constructor");
+ break;
+ case CPTK_HAS_TRIVIAL_CONSTRUCTOR:
+ pp_cxx_ws_string (pp, "__has_trivial_constructor");
+ break;
+ case CPTK_HAS_NOTHROW_COPY:
+ pp_cxx_ws_string (pp, "__has_nothrow_copy");
+ break;
+ case CPTK_HAS_TRIVIAL_COPY:
+ pp_cxx_ws_string (pp, "__has_trivial_copy");
+ break;
+ case CPTK_HAS_TRIVIAL_DESTRUCTOR:
+ pp_cxx_ws_string (pp, "__has_trivial_destructor");
+ break;
+ case CPTK_HAS_VIRTUAL_DESTRUCTOR:
+ pp_cxx_ws_string (pp, "__has_virtual_destructor");
+ break;
+ case CPTK_IS_ABSTRACT:
+ pp_cxx_ws_string (pp, "__is_abstract");
+ break;
+ case CPTK_IS_BASE_OF:
+ pp_cxx_ws_string (pp, "__is_base_of");
+ break;
+ case CPTK_IS_CLASS:
+ pp_cxx_ws_string (pp, "__is_class");
+ break;
+ case CPTK_IS_CONVERTIBLE_TO:
+ pp_cxx_ws_string (pp, "__is_convertible_to");
+ break;
+ case CPTK_IS_EMPTY:
+ pp_cxx_ws_string (pp, "__is_empty");
+ break;
+ case CPTK_IS_ENUM:
+ pp_cxx_ws_string (pp, "__is_enum");
+ break;
+ case CPTK_IS_POD:
+ pp_cxx_ws_string (pp, "__is_pod");
+ break;
+ case CPTK_IS_POLYMORPHIC:
+ pp_cxx_ws_string (pp, "__is_polymorphic");
+ break;
+ case CPTK_IS_STD_LAYOUT:
+ pp_cxx_ws_string (pp, "__is_std_layout");
+ break;
+ case CPTK_IS_TRIVIAL:
+ pp_cxx_ws_string (pp, "__is_trivial");
+ break;
+ case CPTK_IS_UNION:
+ pp_cxx_ws_string (pp, "__is_union");
+ break;
+
+ default:
+ gcc_unreachable ();
+ }
+ pp_cxx_left_paren (pp);
+ pp_cxx_type_id (pp, TRAIT_EXPR_TYPE1 (t));
+
+ if (kind == CPTK_IS_BASE_OF || kind == CPTK_IS_CONVERTIBLE_TO)
+ {
+ pp_cxx_separate_with (pp, ',');
+ pp_cxx_type_id (pp, TRAIT_EXPR_TYPE2 (t));
+ }
+
+ pp_cxx_right_paren (pp);
+}
\f
typedef c_pretty_print_fn pp_fun;
+/* Initialization of a C++ pretty-printer object. */
+
void
pp_cxx_pretty_printer_init (cxx_pretty_printer *pp)
{
pp_c_pretty_printer_init (pp_c_base (pp));
+ pp_set_line_maximum_length (pp, 0);
pp->c_base.declaration = (pp_fun) pp_cxx_declaration;
- pp->c_base.declaration_specifiers = (pp_fun) pp_cxx_declaration_specifiers;
- pp->c_base.type_specifier = (pp_fun) pp_cxx_type_specifier;
+ pp->c_base.declaration_specifiers = (pp_fun) pp_cxx_decl_specifier_seq;
+ pp->c_base.function_specifier = (pp_fun) pp_cxx_function_specifier;
+ pp->c_base.type_specifier_seq = (pp_fun) pp_cxx_type_specifier_seq;
pp->c_base.declarator = (pp_fun) pp_cxx_declarator;
pp->c_base.direct_declarator = (pp_fun) pp_cxx_direct_declarator;
- pp->c_base.parameter_declaration = (pp_fun) pp_cxx_parameter_declaration;
+ pp->c_base.parameter_list = (pp_fun) pp_cxx_parameter_declaration_clause;
pp->c_base.type_id = (pp_fun) pp_cxx_type_id;
- pp->c_base.statement = (pp_fun) pp_cxx_statement;
+ pp->c_base.abstract_declarator = (pp_fun) pp_cxx_abstract_declarator;
+ pp->c_base.direct_abstract_declarator =
+ (pp_fun) pp_cxx_direct_abstract_declarator;
+ pp->c_base.simple_type_specifier = (pp_fun)pp_cxx_simple_type_specifier;
+
+ /* pp->c_base.statement = (pp_fun) pp_cxx_statement; */
+
+ pp->c_base.constant = (pp_fun) pp_cxx_constant;
+ pp->c_base.id_expression = (pp_fun) pp_cxx_id_expression;
pp->c_base.primary_expression = (pp_fun) pp_cxx_primary_expression;
pp->c_base.postfix_expression = (pp_fun) pp_cxx_postfix_expression;
pp->c_base.unary_expression = (pp_fun) pp_cxx_unary_expression;
- pp->c_base.initializer = (pp_fun) pp_cxx_initializer;
- pp->c_base.multiplicative_expression = (pp_fun) pp_cxx_multiplicatice_expression;
+ pp->c_base.multiplicative_expression = (pp_fun) pp_cxx_multiplicative_expression;
pp->c_base.conditional_expression = (pp_fun) pp_cxx_conditional_expression;
pp->c_base.assignment_expression = (pp_fun) pp_cxx_assignment_expression;
- pp->enclosing_scope = NULL;
+ pp->c_base.expression = (pp_fun) pp_cxx_expression;
+ pp->enclosing_scope = global_namespace;
}
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