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packdump.c
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packdump.c
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/*
Copyright (C) 2001-2009, Parrot Foundation.
This program is free software. It is subject to the same license as
Parrot itself.
=head1 NAME
src/packdump.c - Functions for dumping packfile structures
=head1 DESCRIPTION
This is only used by the PBC dumper C<pbc_dump>.
=head2 Functions
=over 4
=cut
*/
#include "parrot/parrot.h"
#include "pmc/pmc_sub.h"
#include "pmc/pmc_key.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_pmc(PARROT_INTERP,
ARGIN(const PackFile_ConstTable *ct),
ARGIN(PMC *self))
__attribute__nonnull__(1)
__attribute__nonnull__(2)
__attribute__nonnull__(3);
static void PackFile_Constant_dump_str(PARROT_INTERP,
ARGIN(const STRING *self))
__attribute__nonnull__(1)
__attribute__nonnull__(2);
static void pobj_flag_dump(PARROT_INTERP, long flags)
__attribute__nonnull__(1);
#define ASSERT_ARGS_PackFile_Constant_dump_pmc __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp) \
, PARROT_ASSERT_ARG(ct) \
, PARROT_ASSERT_ARG(self))
#define ASSERT_ARGS_PackFile_Constant_dump_str __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp) \
, PARROT_ASSERT_ARG(self))
#define ASSERT_ARGS_pobj_flag_dump __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp))
/* Don't modify between HEADERIZER BEGIN / HEADERIZER END. Your changes will be lost. */
/* HEADERIZER END: static */
/*
=item C<void PackFile_ConstTable_dump(PARROT_INTERP, const PackFile_ConstTable
*self)>
Dumps the constant table C<self>.
=cut
*/
PARROT_EXPORT
void
PackFile_ConstTable_dump(PARROT_INTERP, ARGIN(const PackFile_ConstTable *self))
{
ASSERT_ARGS(PackFile_ConstTable_dump)
opcode_t i;
for (i = 0; i < self->num.const_count; i++) {
Parrot_io_printf(interp, " # %x:\n", (long)i);
Parrot_io_printf(interp, " [ 'PFC_NUMBER', %g ],\n", self->num.constants[i]);
}
for (i = 0; i < self->str.const_count; i++) {
Parrot_io_printf(interp, " # %x:\n", (long)i);
PackFile_Constant_dump_str(interp, self->str.constants[i]);
}
for (i = 0; i < self->pmc.const_count; i++) {
Parrot_io_printf(interp, " # %x:\n", (long)i);
PackFile_Constant_dump_pmc(interp, self, self->pmc.constants[i]);
}
}
/*
=item C<static void PackFile_Constant_dump(PARROT_INTERP, const
PackFile_ConstTable *ct, const PackFile_Constant *self)>
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.]
*/
PARROT_OBSERVER static const char * const flag_bit_names[] =
{
"private0",
"private1",
"private2",
"private3",
"private4",
"private5",
"private6",
"private7",
"is_string",
"is_PMC",
"is_shared",
"constant",
"external",
"aligned",
"sysmem",
"COW",
"is_COWable",
"live",
"on_free_list",
"custom_mark",
"custom_GC",
"custom_destroy",
"report",
"data_is_PMC_array",
"need_finalize",
"high_priority_gc",
"needs_early_gc",
"is_class",
"is_object"
};
/*
=item C<static void pobj_flag_dump(PARROT_INTERP, long flags)>
Given a word of flags, generate a dump line of the whole word in hex,
followed by individual bits.
=cut
*/
static void
pobj_flag_dump(PARROT_INTERP, long flags)
{
ASSERT_ARGS(pobj_flag_dump)
INTVAL idx = 0;
int printed_flag_p = 0;
Parrot_io_printf(interp, "\t\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");
}
/*
=item C<static void PackFile_Constant_dump_str(PARROT_INTERP, const STRING
*self)>
Print the representation of a string constant.
=cut
*/
static void
PackFile_Constant_dump_str(PARROT_INTERP, ARGIN(const STRING *self))
{
ASSERT_ARGS(PackFile_Constant_dump_str)
Parrot_io_printf(interp, " [ 'PFC_STRING', {\n");
pobj_flag_dump(interp, (long)PObj_get_FLAGS(self));
Parrot_io_printf(interp, " ENCODING => %s,\n", self->encoding->name);
Parrot_io_printf(interp, " SIZE => %ld,\n", self->bufused);
Parrot_io_printf(interp, " DATA => \"%Ss\"\n",
Parrot_str_escape(interp, self));
Parrot_io_printf(interp, " } ],\n");
}
/*
=item C<static void PackFile_Constant_dump_pmc(PARROT_INTERP, const
PackFile_ConstTable *ct, PMC *self)>
Print the representation of a PMC constant.
=cut
*/
static void
PackFile_Constant_dump_pmc(PARROT_INTERP, ARGIN(const PackFile_ConstTable *ct),
ARGIN(PMC *self))
{
ASSERT_ARGS(PackFile_Constant_dump_pmc)
if (self->vtable->base_type == enum_class_Key) {
size_t i;
PMC *key;
for (i = 0, key = self; key; i++) {
GETATTR_Key_next_key(interp, key, key);
}
/* number of key components */
Parrot_io_printf(interp, " [ 'PFC_KEY' (%ld items)\n", i);
/* and now type / value per component */
for (key = self; key;) {
opcode_t type = PObj_get_FLAGS(key);
Parrot_io_printf(interp, " {\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",
Parrot_key_integer(interp, key));
Parrot_io_printf(interp, " },\n");
break;
case KEY_string_FLAG:
{
size_t ct_index;
STRING *s = Parrot_key_string(interp, key);
Parrot_io_printf(interp, " TYPE => STRING\n");
ct_index = PackFile_ConstTable_rlookup_str(interp, ct, s);
Parrot_io_printf(interp, " PFC_OFFSET => %ld\n", ct_index);
Parrot_io_printf(interp, " DATA => '%Ss'\n",
ct->str.constants[ct_index]);
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",
VTABLE_get_integer(interp, 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",
VTABLE_get_integer(interp, 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",
VTABLE_get_integer(interp, key));
Parrot_io_printf(interp, " },\n");
break;
default:
Parrot_io_eprintf(NULL, "PackFile_Constant_pack: "
"unsupported constant type\n");
Parrot_x_exit(interp, 1);
}
GETATTR_Key_next_key(interp, key, key);
}
Parrot_io_printf(interp, " ],\n");
}
else {
Parrot_Sub_attributes *sub;
STRING * const null = Parrot_str_new_constant(interp, "(null)");
STRING *namespace_description;
Parrot_io_printf(interp, " [ 'PFC_PMC', {\n");
pobj_flag_dump(interp, (long)PObj_get_FLAGS(self));
switch (self->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, self);
STRING* const out_buffer = VTABLE_get_repr(interp, self);
Parrot_io_printf(interp,
"\t\tclass => %Ss,\n"
"\t\telement count => %d,\n"
"\t\telements => %Ss,\n",
self->vtable->whoami,
n,
out_buffer);
}
break;
case enum_class_Sub:
case enum_class_Coroutine:
PMC_get_sub(interp, self, sub);
if (sub->namespace_name) {
switch (sub->namespace_name->vtable->base_type) {
case enum_class_String:
namespace_description = Parrot_str_new(interp, "'", 1);
namespace_description = Parrot_str_concat(interp,
namespace_description,
VTABLE_get_string(interp, sub->namespace_name));
namespace_description = Parrot_str_concat(interp,
namespace_description,
Parrot_str_new(interp, "'", 1));
break;
case enum_class_Key:
namespace_description =
Parrot_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,
"\t\tclass => %Ss,\n"
"\t\tstart_offs => %d,\n"
"\t\tend_offs => %d,\n"
"\t\tname => '%Ss',\n"
"\t\tsubid => '%Ss',\n"
"\t\tmethod => '%Ss',\n"
"\t\tnsentry => '%Ss',\n"
"\t\tnamespace => %Ss,\n"
"\t\tHLL_id => %d,\n"
"\t\tn_regs_used => [ %d, %d, %d, %d ],\n",
self->vtable->whoami,
sub->start_offs,
sub->end_offs,
sub->name,
sub->subid,
sub->method_name,
sub->ns_entry_name,
namespace_description,
sub->HLL_id,
sub->n_regs_used[0],
sub->n_regs_used[1],
sub->n_regs_used[2],
sub->n_regs_used[3]);
break;
case enum_class_FixedIntegerArray:
Parrot_io_printf(interp,
"\t\tclass => %Ss,\n"
"\t\trepr => '%Ss'\n",
self->vtable->whoami,
VTABLE_get_repr(interp, self));
break;
default:
Parrot_io_printf(interp, "\t\tno dump info for PMC %ld %Ss\n",
self->vtable->base_type, self->vtable->whoami);
Parrot_io_printf(interp, "\t\tclass => %Ss,\n", self->vtable->whoami);
}
Parrot_io_printf(interp, " } ],\n");
}
}
/*
=back
=head1 SEE ALSO
F<src/pbc_dump.c>.
=cut
*/
/*
* Local variables:
* c-file-style: "parrot"
* End:
* vim: expandtab shiftwidth=4 cinoptions='\:2=2' :
*/