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packdump.c
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/
packdump.c
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/*
Copyright (C) 2001-2008, The Perl Foundation.
This program is free software. It is subject to the same license as
Parrot itself.
$Id$
=head1 NAME
src/packdump.c - Functions for dumping packfile structures
=head1 DESCRIPTION
This is only used by the PBC dumper C<pdump>.
=head2 Functions
=over 4
=cut
*/
#include "parrot/parrot.h"
#include "parrot/packfile.h"
/* HEADERIZER HFILE: include/parrot/packfile.h */
/* HEADERIZER BEGIN: static */
/* Don't modify between HEADERIZER BEGIN / HEADERIZER END. Your changes will be lost. */
static void PackFile_Constant_dump(PARROT_INTERP,
ARGIN(const PackFile_ConstTable *ct),
ARGIN(const PackFile_Constant *self))
__attribute__nonnull__(1)
__attribute__nonnull__(2)
__attribute__nonnull__(3);
static void pobj_flag_dump(PARROT_INTERP, ARGIN_NULLOK(long flags))
__attribute__nonnull__(1);
/* Don't modify between HEADERIZER BEGIN / HEADERIZER END. Your changes will be lost. */
/* HEADERIZER END: static */
/*
=item C<void PackFile_ConstTable_dump>
Dumps the constant table C<self>.
=cut
*/
PARROT_EXPORT
void
PackFile_ConstTable_dump(PARROT_INTERP, ARGIN(const PackFile_ConstTable *self))
{
opcode_t i;
for (i = 0; i < self->const_count; i++) {
Parrot_io_printf(interp, " # %ld:\n", (long)i);
PackFile_Constant_dump(interp, self, self->constants[i]);
}
}
/*
=item C<static void PackFile_Constant_dump>
Dumps the constant C<self>.
=cut
*/
/* [this desperately needs better abstraction, so we're not duplicating the enum
* PObj_enum definition in the include/parrot/pobj.h file. -- rgr, 1-Mar-08.]
*/
static const char *flag_bit_names[] =
{
"private0",
"private1",
"private2",
"private3",
"private4",
"private5",
"private6",
"private7",
"is_string",
"is_PMC",
"is_PMC_EXT",
"is_shared",
"constant",
"external",
"aligned",
"sysmem",
"COW",
"is_COWable",
"live",
"on_free_list",
"custom_mark",
"custom_GC",
"active_destroy",
"report",
"data_is_PMC_array",
"need_finalize",
"is_special_PMC",
"high_priority_DOD",
"needs_early_DOD",
"is_class",
"is_object"
};
static void
pobj_flag_dump(PARROT_INTERP, ARGIN_NULLOK(long flags))
/* Given a word of flags, generate a dump line of the whole word in hex,
* followed by individual bits.
*/
{
INTVAL idx = 0;
int printed_flag_p = 0;
Parrot_io_printf(interp, "\tFLAGS => 0x%04lx (", flags);
while (flags) {
if (flags & 1) {
if (printed_flag_p)
Parrot_io_printf(interp, ",");
Parrot_io_printf(interp, "%s", flag_bit_names[idx]);
printed_flag_p++;
}
idx++;
flags >>= 1;
}
Parrot_io_printf(interp, ")\n");
}
static void
PackFile_Constant_dump(PARROT_INTERP, ARGIN(const PackFile_ConstTable *ct),
ARGIN(const PackFile_Constant *self))
{
PMC *key;
size_t i;
switch (self->type) {
case PFC_NUMBER:
Parrot_io_printf(interp, " [ 'PFC_NUMBER', %g ],\n", self->u.number);
break;
case PFC_STRING:
Parrot_io_printf(interp, " [ 'PFC_STRING', {\n");
pobj_flag_dump(interp, (long)PObj_get_FLAGS(self->u.string));
Parrot_io_printf(interp, " CHARSET => %ld,\n",
self->u.string->charset);
i = self->u.string->bufused;
Parrot_io_printf(interp, " SIZE => %ld,\n",
(long)i);
Parrot_io_printf(interp, " DATA => \"%Ss\"\n",
string_escape_string(interp, self->u.string));
Parrot_io_printf(interp, " } ],\n");
break;
case PFC_KEY:
for (i = 0, key = self->u.key; key; key = (PMC*)PMC_data(key), i++)
;
/* number of key components */
Parrot_io_printf(interp, " [ 'PFC_KEY' (%ld items)\n", i);
/* and now type / value per component */
for (key = self->u.key; key; key = (PMC*)PMC_data(key)) {
opcode_t type = PObj_get_FLAGS(key);
Parrot_io_printf(interp, " {\n");
if ((type & (KEY_start_slice_FLAG|KEY_inf_slice_FLAG)) ==
(KEY_start_slice_FLAG|KEY_inf_slice_FLAG))
Parrot_io_printf(interp, " SLICE_BITS => PF_VT_END_INF\n");
if ((type & (KEY_end_slice_FLAG|KEY_inf_slice_FLAG)) ==
(KEY_end_slice_FLAG|KEY_inf_slice_FLAG))
Parrot_io_printf(interp, " SLICE_BITS => PF_VT_START_ZERO\n");
if (type & KEY_start_slice_FLAG)
Parrot_io_printf(interp, " SLICE_BITS => PF_VT_START_SLICE\n");
if (type & KEY_end_slice_FLAG)
Parrot_io_printf(interp, " SLICE_BITS => PF_VT_END_SLICE\n");
type &= KEY_type_FLAGS;
pobj_flag_dump(interp, (long)PObj_get_FLAGS(key));
switch (type) {
case KEY_integer_FLAG:
Parrot_io_printf(interp, " TYPE => INTEGER\n");
Parrot_io_printf(interp, " DATA => %ld\n", PMC_int_val(key));
Parrot_io_printf(interp, " },\n");
break;
case KEY_number_FLAG:
{
const PackFile_Constant *detail;
size_t ct_index;
Parrot_io_printf(interp, " TYPE => NUMBER\n");
ct_index = PackFile_find_in_const(interp, ct, key, PFC_NUMBER);
Parrot_io_printf(interp, " PFC_OFFSET => %ld\n", ct_index);
detail = ct->constants[ct_index];
Parrot_io_printf(interp, " DATA => %ld\n", detail->u.number);
Parrot_io_printf(interp, " },\n");
}
break;
case KEY_string_FLAG:
{
const PackFile_Constant *detail;
size_t ct_index;
Parrot_io_printf(interp, " TYPE => STRING\n");
ct_index = PackFile_find_in_const(interp, ct, key, PFC_STRING);
Parrot_io_printf(interp, " PFC_OFFSET => %ld\n", ct_index);
detail = ct->constants[ct_index];
Parrot_io_printf(interp, " DATA => '%.*s'\n",
(int)detail->u.string->bufused,
(char *)detail->u.string->strstart);
Parrot_io_printf(interp, " },\n");
}
break;
case KEY_integer_FLAG | KEY_register_FLAG:
Parrot_io_printf(interp, " TYPE => I REGISTER\n");
Parrot_io_printf(interp, " DATA => %ld\n", PMC_int_val(key));
Parrot_io_printf(interp, " },\n");
break;
case KEY_number_FLAG | KEY_register_FLAG:
Parrot_io_printf(interp, " TYPE => N REGISTER\n");
Parrot_io_printf(interp, " DATA => %ld\n", PMC_int_val(key));
Parrot_io_printf(interp, " },\n");
break;
case KEY_string_FLAG | KEY_register_FLAG:
Parrot_io_printf(interp, " TYPE => S REGISTER\n");
Parrot_io_printf(interp, " DATA => %ld\n", PMC_int_val(key));
Parrot_io_printf(interp, " },\n");
break;
case KEY_pmc_FLAG | KEY_register_FLAG:
Parrot_io_printf(interp, " TYPE => P REGISTER\n");
Parrot_io_printf(interp, " DATA => %ld\n", PMC_int_val(key));
Parrot_io_printf(interp, " },\n");
break;
default:
Parrot_io_eprintf(NULL, "PackFile_Constant_pack: "
"unsupported constant type\n");
Parrot_exit(interp, 1);
}
}
Parrot_io_printf(interp, " ],\n");
break;
case PFC_PMC:
Parrot_io_printf(interp, " [ 'PFC_PMC', {\n");
{
PMC * const pmc = self->u.key;
Parrot_sub *sub;
STRING * const null = const_string(interp, "(null)");
STRING *namespace_description;
pobj_flag_dump(interp, (long)PObj_get_FLAGS(pmc));
switch (pmc->vtable->base_type) {
case enum_class_FixedBooleanArray:
case enum_class_FixedFloatArray:
case enum_class_FixedPMCArray:
case enum_class_FixedStringArray:
case enum_class_ResizableBooleanArray:
case enum_class_ResizableIntegerArray:
case enum_class_ResizableFloatArray:
case enum_class_ResizablePMCArray:
case enum_class_ResizableStringArray:
{
const int n = VTABLE_get_integer(interp, pmc);
STRING* const out_buffer = VTABLE_get_repr(interp, pmc);
Parrot_io_printf(interp,
"\tclass => %Ss,\n"
"\telement count => %d,\n"
"\telements => %Ss,\n",
pmc->vtable->whoami,
n,
out_buffer);
}
break;
case enum_class_Sub:
case enum_class_Closure:
case enum_class_Coroutine:
sub = PMC_sub(pmc);
if (sub->namespace_name) {
switch (sub->namespace_name->vtable->base_type) {
case enum_class_String:
namespace_description = string_from_cstring(interp, "'", 1);
namespace_description = string_append(interp,
namespace_description,
PMC_str_val(sub->namespace_name));
namespace_description = string_append(interp,
namespace_description,
string_from_cstring(interp, "'", 1));
break;
case enum_class_Key:
namespace_description =
key_set_to_string(interp, sub->namespace_name);
break;
default:
namespace_description = sub->namespace_name->vtable->whoami;
}
}
else {
namespace_description = null;
}
Parrot_io_printf(interp,
"\tclass => %Ss,\n"
"\tstart_offs => %d,\n"
"\tend_offs => %d,\n"
"\tname => '%Ss',\n"
"\tsubid => '%Ss',\n"
"\tmethod => '%Ss',\n"
"\tnsentry => '%Ss',\n"
"\tnamespace => %Ss\n"
"\tHLL_id => %d,\n",
pmc->vtable->whoami,
sub->start_offs,
sub->end_offs,
sub->name,
sub->subid,
sub->method_name,
sub->ns_entry_name,
namespace_description,
sub->HLL_id);
break;
case enum_class_FixedIntegerArray:
Parrot_io_printf(interp,
"\tclass => %Ss,\n"
"\trepr => '%Ss'\n",
pmc->vtable->whoami,
VTABLE_get_repr(interp, pmc));
break;
default:
Parrot_io_printf(interp, "\tno dump info for PMC %ld %Ss\n",
pmc->vtable->base_type, pmc->vtable->whoami);
Parrot_io_printf(interp, "\tclass => %Ss,\n", pmc->vtable->whoami);
}
}
Parrot_io_printf(interp, " } ],\n");
break;
default:
Parrot_io_printf(interp, " [ 'PFC_\?\?\?', type '0x%x' ],\n",
self->type);
break;
}
}
/*
=item C<void PackFile_Fixup_dump>
Dumps the fix-up table C<ft>.
=cut
*/
PARROT_EXPORT
void
PackFile_Fixup_dump(PARROT_INTERP, ARGIN(const PackFile_FixupTable *ft))
{
opcode_t i;
for (i = 0; i < ft->fixup_count; i++) {
Parrot_io_printf(interp, "\t#%d\n", (int) i);
switch (ft->fixups[i]->type) {
case enum_fixup_label:
case enum_fixup_sub:
Parrot_io_printf(interp,
"\ttype => %d offs => %8d name => '%s',\n",
(int)ft->fixups[i]->type,
(int)ft->fixups[i]->offset,
ft->fixups[i]->name);
break;
default:
Parrot_io_printf(interp, "\ttype => %d ???,\n",
(int) ft->fixups[i]->type);
break;
}
}
}
/*
=back
=head1 SEE ALSO
F<src/pdump.c>.
=cut
*/
/*
* Local variables:
* c-file-style: "parrot"
* End:
* vim: expandtab shiftwidth=4:
*/