static const char *
gen_formal_list_for_func_def (tree fndecl, formals_style style)
{
const char *formal_list = "";
tree formal_decl;
formal_decl = DECL_ARGUMENTS (fndecl);
while (formal_decl)
{
const char *this_formal;
if (*formal_list && ((style == ansi) || (style == k_and_r_names)))
formal_list = concat (formal_list, ", ", NULL);
this_formal = gen_decl (formal_decl, 0, style);
if (style == k_and_r_decls)
formal_list = concat (formal_list, this_formal, "; ", NULL);
else
formal_list = concat (formal_list, this_formal, NULL);
formal_decl = TREE_CHAIN (formal_decl);
}
if (style == ansi)
{
if (!DECL_ARGUMENTS (fndecl))
formal_list = concat (formal_list, "void", NULL);
if (stdarg_p (TREE_TYPE (fndecl)))
formal_list = concat (formal_list, ", ...", NULL);
}
if ((style == ansi) || (style == k_and_r_names))
formal_list = concat (" (", formal_list, ")", NULL);
return formal_list;
}
void
gen_aux_info_record (tree fndecl, int is_definition, int is_implicit,
int is_prototyped)
{
if (flag_gen_aux_info)
{
static int compiled_from_record = 0;
expanded_location xloc = expand_location (DECL_SOURCE_LOCATION (fndecl));
/* Each output .X file must have a header line. Write one now if we
have not yet done so. */
if (!compiled_from_record++)
{
/* The first line tells which directory file names are relative to.
Currently, -aux-info works only for files in the working
directory, so just use a `.' as a placeholder for now. */
fprintf (aux_info_file, "/* compiled from: . */\n");
}
/* Write the actual line of auxiliary info. */
fprintf (aux_info_file, "/* %s:%d:%c%c */ %s;",
xloc.file, xloc.line,
(is_implicit) ? 'I' : (is_prototyped) ? 'N' : 'O',
(is_definition) ? 'F' : 'C',
gen_decl (fndecl, is_definition, ansi));
/* If this is an explicit function declaration, we need to also write
out an old-style (i.e. K&R) function header, just in case the user
wants to run unprotoize. */
if (is_definition)
{
fprintf (aux_info_file, " /*%s %s*/",
gen_formal_list_for_func_def (fndecl, k_and_r_names),
gen_formal_list_for_func_def (fndecl, k_and_r_decls));
}
fprintf (aux_info_file, "\n");
}
}
static const char *
gen_type (const char *ret_val, tree t, formals_style style)
{
tree chain_p;
/* If there is a typedef name for this type, use it. */
if (TYPE_NAME (t) && TREE_CODE (TYPE_NAME (t)) == TYPE_DECL)
data_type = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (t)));
else
{
switch (TREE_CODE (t))
{
case POINTER_TYPE:
if (TYPE_READONLY (t))
ret_val = concat ("const ", ret_val, NULL);
if (TYPE_VOLATILE (t))
ret_val = concat ("volatile ", ret_val, NULL);
ret_val = concat ("*", ret_val, NULL);
if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE || TREE_CODE (TREE_TYPE (t)) == FUNCTION_TYPE)
ret_val = concat ("(", ret_val, ")", NULL);
ret_val = gen_type (ret_val, TREE_TYPE (t), style);
return ret_val;
case ARRAY_TYPE:
if (!COMPLETE_TYPE_P (t) || TREE_CODE (TYPE_SIZE (t)) != INTEGER_CST)
ret_val = gen_type (concat (ret_val, "[]", NULL),
TREE_TYPE (t), style);
else if (int_size_in_bytes (t) == 0)
ret_val = gen_type (concat (ret_val, "[0]", NULL),
TREE_TYPE (t), style);
else
{
int size = (int_size_in_bytes (t) / int_size_in_bytes (TREE_TYPE (t)));
char buff[10];
sprintf (buff, "[%d]", size);
ret_val = gen_type (concat (ret_val, buff, NULL),
TREE_TYPE (t), style);
}
break;
case FUNCTION_TYPE:
ret_val = gen_type (concat (ret_val,
gen_formal_list_for_type (t, style),
NULL),
TREE_TYPE (t), style);
break;
case IDENTIFIER_NODE:
data_type = IDENTIFIER_POINTER (t);
break;
/* The following three cases are complicated by the fact that a
user may do something really stupid, like creating a brand new
"anonymous" type specification in a formal argument list (or as
part of a function return type specification). For example:
int f (enum { red, green, blue } color);
In such cases, we have no name that we can put into the prototype
to represent the (anonymous) type. Thus, we have to generate the
whole darn type specification. Yuck! */
case RECORD_TYPE:
if (TYPE_NAME (t))
data_type = IDENTIFIER_POINTER (TYPE_NAME (t));
else
{
data_type = "";
chain_p = TYPE_FIELDS (t);
while (chain_p)
{
data_type = concat (data_type, gen_decl (chain_p, 0, ansi),
NULL);
chain_p = TREE_CHAIN (chain_p);
data_type = concat (data_type, "; ", NULL);
}
data_type = concat ("{ ", data_type, "}", NULL);
}
data_type = concat ("struct ", data_type, NULL);
break;
case UNION_TYPE:
if (TYPE_NAME (t))
data_type = IDENTIFIER_POINTER (TYPE_NAME (t));
else
{
data_type = "";
chain_p = TYPE_FIELDS (t);
while (chain_p)
{
data_type = concat (data_type, gen_decl (chain_p, 0, ansi),
NULL);
chain_p = TREE_CHAIN (chain_p);
data_type = concat (data_type, "; ", NULL);
}
data_type = concat ("{ ", data_type, "}", NULL);
}
data_type = concat ("union ", data_type, NULL);
break;
case ENUMERAL_TYPE:
if (TYPE_NAME (t))
data_type = IDENTIFIER_POINTER (TYPE_NAME (t));
else
{
data_type = "";
chain_p = TYPE_VALUES (t);
while (chain_p)
{
data_type = concat (data_type,
IDENTIFIER_POINTER (TREE_PURPOSE (chain_p)), NULL);
chain_p = TREE_CHAIN (chain_p);
if (chain_p)
data_type = concat (data_type, ", ", NULL);
}
data_type = concat ("{ ", data_type, " }", NULL);
}
data_type = concat ("enum ", data_type, NULL);
break;
case TYPE_DECL:
data_type = IDENTIFIER_POINTER (DECL_NAME (t));
break;
case INTEGER_TYPE:
data_type = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (t)));
/* Normally, `unsigned' is part of the deal. Not so if it comes
with a type qualifier. */
if (TYPE_UNSIGNED (t) && TYPE_QUALS (t))
data_type = concat ("unsigned ", data_type, NULL);
break;
case REAL_TYPE:
data_type = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (t)));
break;
case VOID_TYPE:
data_type = "void";
break;
case ERROR_MARK:
data_type = "[ERROR]";
break;
default:
gcc_unreachable ();
}
}
if (TYPE_READONLY (t))
ret_val = concat ("const ", ret_val, NULL);
if (TYPE_VOLATILE (t))
ret_val = concat ("volatile ", ret_val, NULL);
if (TYPE_RESTRICT (t))
ret_val = concat ("restrict ", ret_val, NULL);
return ret_val;
}