void
pp_c_primary_expression (c_pretty_printer *pp, tree e)
{
switch (TREE_CODE (e))
{
case VAR_DECL:
case PARM_DECL:
case FIELD_DECL:
case CONST_DECL:
case FUNCTION_DECL:
case LABEL_DECL:
pp_c_tree_decl_identifier (pp, e);
break;
case IDENTIFIER_NODE:
pp_c_tree_identifier (pp, e);
break;
case ERROR_MARK:
pp_c_identifier (pp, "<erroneous-expression>");
break;
case RESULT_DECL:
pp_c_identifier (pp, "<return-value>");
break;
case INTEGER_CST:
case REAL_CST:
case STRING_CST:
pp_c_constant (pp, e);
break;
case TARGET_EXPR:
pp_c_identifier (pp, "__builtin_memcpy");
pp_c_left_paren (pp);
pp_ampersand (pp);
pp_primary_expression (pp, TREE_OPERAND (e, 0));
pp_separate_with (pp, ',');
pp_ampersand (pp);
pp_initializer (pp, TREE_OPERAND (e, 1));
if (TREE_OPERAND (e, 2))
{
pp_separate_with (pp, ',');
pp_c_expression (pp, TREE_OPERAND (e, 2));
}
pp_c_right_paren (pp);
break;
default:
/* FIXME: Make sure we won't get into an infinie loop. */
pp_c_left_paren (pp);
pp_expression (pp, e);
pp_c_right_paren (pp);
break;
}
}
void
pp_c_parameter_type_list (c_pretty_printer *pp, tree t)
{
bool want_parm_decl = DECL_P (t) && !(pp->flags & pp_c_flag_abstract);
tree parms = want_parm_decl ? DECL_ARGUMENTS (t) : TYPE_ARG_TYPES (t);
pp_c_left_paren (pp);
if (parms == void_list_node)
pp_c_identifier (pp, "void");
else
{
bool first = true;
for ( ; parms && parms != void_list_node; parms = TREE_CHAIN (parms))
{
if (!first)
pp_separate_with (pp, ',');
first = false;
pp_declaration_specifiers
(pp, want_parm_decl ? parms : TREE_VALUE (parms));
if (want_parm_decl)
pp_declarator (pp, parms);
else
pp_abstract_declarator (pp, TREE_VALUE (parms));
}
}
pp_c_right_paren (pp);
}
/* 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_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);
}
void
pp_c_expression_list (c_pretty_printer *pp, tree e)
{
for (; e != NULL_TREE; e = TREE_CHAIN (e))
{
pp_expression (pp, TREE_VALUE (e));
if (TREE_CHAIN (e))
pp_separate_with (pp, ',');
}
}
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_separate_with (pp, ',');
pp_cxx_template_parameter (pp, TREE_VEC_ELT (t, i));
}
}
/* 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))
{
pp_cxx_primary_expression (pp, TREE_PURPOSE (t));
pp_cxx_call_argument_list (pp, TREE_VALUE (t));
if (TREE_CHAIN (t))
pp_separate_with (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);
if (!TYPE_NOTHROW_P (t) && ex_spec == NULL)
return;
pp_cxx_identifier (pp, "throw");
pp_cxx_left_paren (pp);
for (; ex_spec && TREE_VALUE (ex_spec); ex_spec = TREE_CHAIN (ex_spec))
{
pp_cxx_type_id (pp, TREE_VALUE (ex_spec));
if (TREE_CHAIN (ex_spec))
pp_separate_with (pp, ',');
}
pp_cxx_right_paren (pp);
}
/* template-argument-list:
template-argument
template-argument-list, template-argument
template-argument:
assignment-expression
type-id
template-name */
static void
pp_cxx_template_argument_list (cxx_pretty_printer *pp, tree t)
{
int i;
if (t == NULL)
return;
for (i = 0; i < TREE_VEC_LENGTH (t); ++i)
{
tree arg = TREE_VEC_ELT (t, i);
if (i != 0)
pp_separate_with (pp, ',');
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);
}
}
void
pp_c_attributes (c_pretty_printer *pp, tree attributes)
{
if (attributes == NULL_TREE)
return;
pp_c_identifier (pp, "__attribute__");
pp_c_left_paren (pp);
pp_c_left_paren (pp);
for (; attributes != NULL_TREE; attributes = TREE_CHAIN (attributes))
{
pp_tree_identifier (pp, TREE_PURPOSE (attributes));
if (TREE_VALUE (attributes))
pp_c_call_argument_list (pp, TREE_VALUE (attributes));
if (TREE_CHAIN (attributes))
pp_separate_with (pp, ',');
}
pp_c_right_paren (pp);
pp_c_right_paren (pp);
}
FOR_EACH_CONSTRUCTOR_VALUE (v, ix, value)
{
pp_expression (pp, value);
if (ix != VEC_length (constructor_elt, v) - 1)
pp_separate_with (pp, ',');
}
void
pp_c_postfix_expression (c_pretty_printer *pp, tree e)
{
enum tree_code code = TREE_CODE (e);
switch (code)
{
case POSTINCREMENT_EXPR:
case POSTDECREMENT_EXPR:
pp_postfix_expression (pp, TREE_OPERAND (e, 0));
pp_identifier (pp, code == POSTINCREMENT_EXPR ? "++" : "--");
break;
case ARRAY_REF:
pp_postfix_expression (pp, TREE_OPERAND (e, 0));
pp_c_left_bracket (pp);
pp_expression (pp, TREE_OPERAND (e, 1));
pp_c_right_bracket (pp);
break;
case CALL_EXPR:
pp_postfix_expression (pp, TREE_OPERAND (e, 0));
pp_c_call_argument_list (pp, TREE_OPERAND (e, 1));
break;
case UNORDERED_EXPR:
pp_c_identifier (pp, flag_isoc99
? "isunordered"
: "__builtin_isunordered");
goto two_args_fun;
case ORDERED_EXPR:
pp_c_identifier (pp, flag_isoc99
? "!isunordered"
: "!__builtin_isunordered");
goto two_args_fun;
case UNLT_EXPR:
pp_c_identifier (pp, flag_isoc99
? "!isgreaterequal"
: "!__builtin_isgreaterequal");
goto two_args_fun;
case UNLE_EXPR:
pp_c_identifier (pp, flag_isoc99
? "!isgreater"
: "!__builtin_isgreater");
goto two_args_fun;
case UNGT_EXPR:
pp_c_identifier (pp, flag_isoc99
? "!islessequal"
: "!__builtin_islessequal");
goto two_args_fun;
case UNGE_EXPR:
pp_c_identifier (pp, flag_isoc99
? "!isless"
: "!__builtin_isless");
goto two_args_fun;
case UNEQ_EXPR:
pp_c_identifier (pp, flag_isoc99
? "!islessgreater"
: "!__builtin_islessgreater");
goto two_args_fun;
case LTGT_EXPR:
pp_c_identifier (pp, flag_isoc99
? "islessgreater"
: "__builtin_islessgreater");
goto two_args_fun;
two_args_fun:
pp_c_left_paren (pp);
pp_expression (pp, TREE_OPERAND (e, 0));
pp_separate_with (pp, ',');
pp_expression (pp, TREE_OPERAND (e, 1));
pp_c_right_paren (pp);
break;
case ABS_EXPR:
pp_c_identifier (pp, "__builtin_abs");
pp_c_left_paren (pp);
pp_expression (pp, TREE_OPERAND (e, 0));
pp_c_right_paren (pp);
break;
case COMPONENT_REF:
{
tree object = TREE_OPERAND (e, 0);
if (TREE_CODE (object) == INDIRECT_REF)
{
pp_postfix_expression (pp, TREE_OPERAND (object, 0));
pp_c_arrow (pp);
}
else
{
pp_postfix_expression (pp, object);
pp_c_dot (pp);
}
pp_expression (pp, TREE_OPERAND (e, 1));
}
break;
case COMPLEX_CST:
case VECTOR_CST:
case COMPLEX_EXPR:
pp_c_compound_literal (pp, e);
break;
case COMPOUND_LITERAL_EXPR:
e = DECL_INITIAL (COMPOUND_LITERAL_EXPR_DECL (e));
/* Fall through. */
case CONSTRUCTOR:
pp_initializer (pp, e);
break;
case VA_ARG_EXPR:
pp_c_identifier (pp, "__builtin_va_arg");
pp_c_left_paren (pp);
pp_assignment_expression (pp, TREE_OPERAND (e, 0));
pp_separate_with (pp, ',');
pp_type_id (pp, TREE_TYPE (e));
pp_c_right_paren (pp);
break;
case ADDR_EXPR:
if (TREE_CODE (TREE_OPERAND (e, 0)) == FUNCTION_DECL)
{
pp_c_id_expression (pp, TREE_OPERAND (e, 0));
break;
}
/* else fall through. */
default:
pp_primary_expression (pp, e);
break;
}
}
static void
pp_c_initializer_list (c_pretty_printer *pp, tree e)
{
tree type = TREE_TYPE (e);
const enum tree_code code = TREE_CODE (type);
switch (code)
{
case RECORD_TYPE:
case UNION_TYPE:
case ARRAY_TYPE:
{
tree init = TREE_OPERAND (e, 0);
for (; init != NULL_TREE; init = TREE_CHAIN (init))
{
if (code == RECORD_TYPE || code == UNION_TYPE)
{
pp_c_dot (pp);
pp_c_primary_expression (pp, TREE_PURPOSE (init));
}
else
{
pp_c_left_bracket (pp);
if (TREE_PURPOSE (init))
pp_c_constant (pp, TREE_PURPOSE (init));
pp_c_right_bracket (pp);
}
pp_c_whitespace (pp);
pp_equal (pp);
pp_c_whitespace (pp);
pp_initializer (pp, TREE_VALUE (init));
if (TREE_CHAIN (init))
pp_separate_with (pp, ',');
}
}
return;
case VECTOR_TYPE:
if (TREE_CODE (e) == VECTOR_CST)
pp_c_expression_list (pp, TREE_VECTOR_CST_ELTS (e));
else if (TREE_CODE (e) == CONSTRUCTOR)
pp_c_constructor_elts (pp, CONSTRUCTOR_ELTS (e));
else
break;
return;
case COMPLEX_TYPE:
if (TREE_CODE (e) == CONSTRUCTOR)
pp_c_constructor_elts (pp, CONSTRUCTOR_ELTS (e));
else if (TREE_CODE (e) == COMPLEX_CST || TREE_CODE (e) == COMPLEX_EXPR)
{
const bool cst = TREE_CODE (e) == COMPLEX_CST;
pp_expression (pp, cst ? TREE_REALPART (e) : TREE_OPERAND (e, 0));
pp_separate_with (pp, ',');
pp_expression (pp, cst ? TREE_IMAGPART (e) : TREE_OPERAND (e, 1));
}
else
break;
return;
default:
break;
}
pp_unsupported_tree (pp, type);
}
void
pp_cxx_separate_with (cxx_pretty_printer *pp, int c)
{
pp_separate_with (pp, c);
pp_base (pp)->padding = pp_none;
}
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 = TREE_OPERAND (t, 0);
tree args = TREE_OPERAND (t, 1);
tree saved_scope = pp->enclosing_scope;
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)
? TREE_OPERAND (t, 2)
: TREE_VALUE (args);
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);
}
args = TREE_CHAIN (args);
pp->enclosing_scope = strip_pointer_operator (TREE_TYPE (object));
}
pp_cxx_postfix_expression (pp, fun);
pp->enclosing_scope = saved_scope;
pp_cxx_call_argument_list (pp, args);
}
if (code == AGGR_INIT_EXPR && AGGR_INIT_VIA_CTOR_P (t))
{
pp_separate_with (pp, ',');
pp_cxx_postfix_expression (pp, TREE_OPERAND (t, 2));
}
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_identifier (pp, "dynamic_cast");
else if (code == STATIC_CAST_EXPR)
pp_identifier (pp, "static_cast");
else if (code == REINTERPRET_CAST_EXPR)
pp_identifier (pp, "reinterpret_cast");
else
pp_identifier (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:
t = TREE_OPERAND (t, 0);
pp_cxx_identifier (pp, "typeid");
pp_left_paren (pp);
if (TYPE_P (t))
pp_cxx_type_id (pp, t);
else
pp_cxx_expression (pp, t);
pp_right_paren (pp);
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;
default:
pp_c_postfix_expression (pp_c_base (pp), t);
break;
}
}
