dfhack/plugins/ruby/ruby.cpp

843 lines
26 KiB
C++

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// blindly copied imports from fastdwarf
#include "Core.h"
#include "Console.h"
#include "Export.h"
#include "PluginManager.h"
#include "VersionInfo.h"
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#include "DataDefs.h"
#include "df/world.h"
#include "df/unit.h"
#include "tinythread.h"
using namespace DFHack;
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// DFHack stuff
static int df_loadruby(void);
static void df_unloadruby(void);
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static void df_rubythread(void*);
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static command_result df_rubyload(color_ostream &out, std::vector <std::string> & parameters);
static command_result df_rubyeval(color_ostream &out, std::vector <std::string> & parameters);
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static void ruby_bind_dfhack(void);
// inter-thread communication stuff
enum RB_command {
RB_IDLE,
RB_INIT,
RB_DIE,
RB_EVAL,
RB_CUSTOM,
};
tthread::mutex *m_irun;
tthread::mutex *m_mutex;
static RB_command r_type;
static const char *r_command;
static command_result r_result;
static tthread::thread *r_thread;
static int onupdate_active;
DFHACK_PLUGIN("ruby")
DFhackCExport command_result plugin_init ( color_ostream &out, std::vector <PluginCommand> &commands)
{
// fail silently instead of spamming the console with 'failed to initialize' if libruby is not present
// the error is still logged in stderr.log
if (!df_loadruby())
return CR_OK;
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m_irun = new tthread::mutex();
m_mutex = new tthread::mutex();
r_type = RB_INIT;
r_thread = new tthread::thread(df_rubythread, 0);
while (r_type != RB_IDLE)
tthread::this_thread::yield();
m_irun->lock();
if (r_result == CR_FAILURE)
return CR_FAILURE;
onupdate_active = 0;
commands.push_back(PluginCommand("rb_load",
"Ruby interpreter. Loads the given ruby script.",
df_rubyload));
commands.push_back(PluginCommand("rb_eval",
"Ruby interpreter. Eval() a ruby string.",
df_rubyeval));
return CR_OK;
}
DFhackCExport command_result plugin_shutdown ( color_ostream &out )
{
if (!r_thread)
return CR_OK;
m_mutex->lock();
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r_type = RB_DIE;
r_command = 0;
m_irun->unlock();
r_thread->join();
delete r_thread;
r_thread = 0;
delete m_irun;
m_mutex->unlock();
delete m_mutex;
df_unloadruby();
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return CR_OK;
}
// send a single ruby line to be evaluated by the ruby thread
static command_result plugin_eval_rb(const char *command)
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{
command_result ret;
// serialize 'accesses' to the ruby thread
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m_mutex->lock();
if (!r_thread)
// raced with plugin_shutdown ?
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return CR_OK;
r_type = RB_EVAL;
r_command = command;
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m_irun->unlock();
// could use a condition_variable or something...
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while (r_type != RB_IDLE)
tthread::this_thread::yield();
// XXX non-atomic with previous r_type change check
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ret = r_result;
m_irun->lock();
m_mutex->unlock();
return ret;
}
static command_result plugin_eval_rb(std::string &command)
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{
return plugin_eval_rb(command.c_str());
}
DFhackCExport command_result plugin_onupdate ( color_ostream &out )
{
if (!r_thread)
return CR_OK;
if (!onupdate_active)
return CR_OK;
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return plugin_eval_rb("DFHack.onupdate");
}
DFhackCExport command_result plugin_onstatechange ( color_ostream &out, state_change_event e)
{
if (!r_thread)
return CR_OK;
std::string cmd = "DFHack.onstatechange ";
switch (e) {
#define SCASE(s) case SC_ ## s : cmd += ":" # s ; break
SCASE(WORLD_LOADED);
SCASE(WORLD_UNLOADED);
SCASE(MAP_LOADED);
SCASE(MAP_UNLOADED);
SCASE(VIEWSCREEN_CHANGED);
SCASE(CORE_INITIALIZED);
SCASE(BEGIN_UNLOAD);
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#undef SCASE
}
return plugin_eval_rb(cmd);
}
static command_result df_rubyload(color_ostream &out, std::vector <std::string> & parameters)
{
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if (parameters.size() == 1 && (parameters[0] == "help" || parameters[0] == "?"))
{
out.print("This command loads the ruby script whose path is given as parameter, and run it.\n");
return CR_OK;
}
std::string cmd = "load '";
cmd += parameters[0]; // TODO escape singlequotes
cmd += "'";
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return plugin_eval_rb(cmd);
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}
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static command_result df_rubyeval(color_ostream &out, std::vector <std::string> & parameters)
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{
command_result ret;
if (parameters.size() == 1 && (parameters[0] == "help" || parameters[0] == "?"))
{
out.print("This command executes an arbitrary ruby statement.\n");
return CR_OK;
}
std::string full = "";
for (unsigned i=0 ; i<parameters.size() ; ++i) {
full += parameters[i];
if (i != parameters.size()-1)
full += " ";
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}
return plugin_eval_rb(full);
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}
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// ruby stuff
// ruby-dev on windows is messy
// ruby.h on linux 64 is broken
// so we dynamically load libruby instead of linking it at compile time
// lib path can be set in dfhack.ini to use the system libruby, but by
// default we'll embed our own (downloaded by cmake)
// these ruby definitions are invalid for windows 64bit
typedef unsigned long VALUE;
typedef unsigned long ID;
#define Qfalse ((VALUE)0)
#define Qtrue ((VALUE)2)
#define Qnil ((VALUE)4)
#define INT2FIX(i) ((VALUE)((((long)i) << 1) | 1))
#define FIX2INT(i) (((long)i) >> 1)
#define RUBY_METHOD_FUNC(func) ((VALUE(*)(...))func)
VALUE *rb_eRuntimeError;
void (*ruby_sysinit)(int *, const char ***);
void (*ruby_init)(void);
void (*ruby_init_loadpath)(void);
void (*ruby_script)(const char*);
void (*ruby_finalize)(void);
ID (*rb_intern)(const char*);
VALUE (*rb_raise)(VALUE, const char*, ...);
VALUE (*rb_funcall)(VALUE, ID, int, ...);
VALUE (*rb_define_module)(const char*);
void (*rb_define_singleton_method)(VALUE, const char*, VALUE(*)(...), int);
void (*rb_define_const)(VALUE, const char*, VALUE);
void (*rb_load_protect)(VALUE, int, int*);
VALUE (*rb_gv_get)(const char*);
VALUE (*rb_str_new)(const char*, long);
VALUE (*rb_str_new2)(const char*);
char* (*rb_string_value_ptr)(VALUE*);
VALUE (*rb_eval_string_protect)(const char*, int*);
VALUE (*rb_ary_shift)(VALUE);
VALUE (*rb_float_new)(double);
double (*rb_num2dbl)(VALUE);
VALUE (*rb_int2inum)(long);
VALUE (*rb_uint2inum)(unsigned long);
unsigned long (*rb_num2ulong)(VALUE);
// end of rip(ruby.h)
DFHack::DFLibrary *libruby_handle;
// load the ruby library, initialize function pointers
static int df_loadruby(void)
{
const char *libpath =
#ifdef WIN32
"./libruby.dll";
#else
"hack/libruby.so";
#endif
libruby_handle = OpenPlugin(libpath);
if (!libruby_handle) {
fprintf(stderr, "Cannot initialize ruby plugin: failed to load %s\n", libpath);
return 0;
}
if (!(rb_eRuntimeError = (VALUE*)LookupPlugin(libruby_handle, "rb_eRuntimeError")))
return 0;
// XXX does msvc support decltype ? might need a #define decltype typeof
// or just assign to *(void**)(&s) = ...
// ruby_sysinit is optional (ruby1.9 only)
ruby_sysinit = (decltype(ruby_sysinit))LookupPlugin(libruby_handle, "ruby_sysinit");
#define rbloadsym(s) if (!(s = (decltype(s))LookupPlugin(libruby_handle, #s))) return 0
rbloadsym(ruby_init);
rbloadsym(ruby_init_loadpath);
rbloadsym(ruby_script);
rbloadsym(ruby_finalize);
rbloadsym(rb_intern);
rbloadsym(rb_raise);
rbloadsym(rb_funcall);
rbloadsym(rb_define_module);
rbloadsym(rb_define_singleton_method);
rbloadsym(rb_define_const);
rbloadsym(rb_load_protect);
rbloadsym(rb_gv_get);
rbloadsym(rb_str_new);
rbloadsym(rb_str_new2);
rbloadsym(rb_string_value_ptr);
rbloadsym(rb_eval_string_protect);
rbloadsym(rb_ary_shift);
rbloadsym(rb_float_new);
rbloadsym(rb_num2dbl);
rbloadsym(rb_int2inum);
rbloadsym(rb_uint2inum);
rbloadsym(rb_num2ulong);
#undef rbloadsym
return 1;
}
static void df_unloadruby(void)
{
if (libruby_handle) {
ClosePlugin(libruby_handle);
libruby_handle = 0;
}
}
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// ruby thread code
static void dump_rb_error(void)
{
VALUE s, err;
err = rb_gv_get("$!");
s = rb_funcall(err, rb_intern("class"), 0);
s = rb_funcall(s, rb_intern("name"), 0);
Core::printerr("E: %s: ", rb_string_value_ptr(&s));
s = rb_funcall(err, rb_intern("message"), 0);
Core::printerr("%s\n", rb_string_value_ptr(&s));
err = rb_funcall(err, rb_intern("backtrace"), 0);
for (int i=0 ; i<8 ; ++i)
if ((s = rb_ary_shift(err)) != Qnil)
Core::printerr(" %s\n", rb_string_value_ptr(&s));
}
static color_ostream_proxy *console_proxy;
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// ruby thread main loop
static void df_rubythread(void *p)
{
int state, running;
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if (ruby_sysinit) {
// ruby1.9 specific API
static int argc;
static const char *argv[] = { "dfhack", 0 };
ruby_sysinit(&argc, (const char ***)&argv);
}
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// initialize the ruby interpreter
ruby_init();
ruby_init_loadpath();
// default value for the $0 "current script name"
ruby_script("dfhack");
// create the ruby objects to map DFHack to ruby methods
ruby_bind_dfhack();
console_proxy = new color_ostream_proxy(Core::getInstance().getConsole());
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r_result = CR_OK;
r_type = RB_IDLE;
running = 1;
while (running) {
// wait for new command
m_irun->lock();
switch (r_type) {
case RB_IDLE:
case RB_INIT:
break;
case RB_DIE:
running = 0;
ruby_finalize();
break;
case RB_EVAL:
state = 0;
rb_eval_string_protect(r_command, &state);
if (state)
dump_rb_error();
break;
case RB_CUSTOM:
// TODO handle ruby custom commands
break;
}
r_result = CR_OK;
r_type = RB_IDLE;
m_irun->unlock();
tthread::this_thread::yield();
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}
}
#define BOOL_ISFALSE(v) ((v) == Qfalse || (v) == Qnil || (v) == INT2FIX(0))
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// main DFHack ruby module
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static VALUE rb_cDFHack;
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// DFHack module ruby methods, binds specific dfhack methods
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// enable/disable calls to DFHack.onupdate()
static VALUE rb_dfonupdateactive(VALUE self)
{
if (onupdate_active)
return Qtrue;
else
return Qfalse;
}
static VALUE rb_dfonupdateactiveset(VALUE self, VALUE val)
{
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onupdate_active = (BOOL_ISFALSE(val) ? 0 : 1);
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return Qtrue;
}
static VALUE rb_dfresume(VALUE self)
{
Core::getInstance().Resume();
return Qtrue;
}
static VALUE rb_dfsuspend(VALUE self)
{
Core::getInstance().Suspend();
return Qtrue;
}
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// returns the delta to apply to dfhack xml addrs wrt actual memory addresses
// usage: real_addr = addr_from_xml + this_delta;
static VALUE rb_dfrebase_delta(void)
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{
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uint32_t expected_base_address;
uint32_t actual_base_address = 0;
#ifdef WIN32
expected_base_address = 0x00400000;
actual_base_address = (uint32_t)GetModuleHandle(0);
#else
expected_base_address = 0x08048000;
FILE *f = fopen("/proc/self/maps", "r");
char line[256];
while (fgets(line, sizeof(line), f)) {
if (strstr(line, "libs/Dwarf_Fortress")) {
actual_base_address = strtoul(line, 0, 16);
break;
}
}
#endif
return rb_int2inum(actual_base_address - expected_base_address);
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}
static VALUE rb_dfprint_str(VALUE self, VALUE s)
{
console_proxy->print("%s", rb_string_value_ptr(&s));
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return Qnil;
}
static VALUE rb_dfprint_err(VALUE self, VALUE s)
{
Core::printerr("%s", rb_string_value_ptr(&s));
return Qnil;
}
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/* TODO needs main dfhack support
this needs a custom DFHack::Plugin subclass to pass the cmdname to invoke(), to match the ruby callback
// register a ruby method as dfhack console command
// usage: DFHack.register("moo", "this commands prints moo on the console") { DFHack.puts "moo !" }
static VALUE rb_dfregister(VALUE self, VALUE name, VALUE descr)
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{
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commands.push_back(PluginCommand(rb_string_value_ptr(&name),
rb_string_value_ptr(&descr),
df_rubycustom));
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return Qtrue;
}
*/
static VALUE rb_dfregister(VALUE self, VALUE name, VALUE descr)
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{
rb_raise(*rb_eRuntimeError, "not implemented");
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}
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static VALUE rb_dfget_global_address(VALUE self, VALUE name)
{
return rb_uint2inum(Core::getInstance().vinfo->getAddress(rb_string_value_ptr(&name)));
}
static VALUE rb_dfget_vtable(VALUE self, VALUE name)
{
return rb_uint2inum((uint32_t)Core::getInstance().vinfo->getVTable(rb_string_value_ptr(&name)));
}
// read the c++ class name from a vtable pointer, inspired from doReadClassName
// XXX virtual classes only! dark pointer arithmetic, use with caution !
static VALUE rb_dfget_rtti_classname(VALUE self, VALUE vptr)
{
char *ptr = (char*)rb_num2ulong(vptr);
#ifdef WIN32
char *rtti = *(char**)(ptr - 0x4);
char *typeinfo = *(char**)(rtti + 0xC);
// skip the .?AV, trim @@ from end
return rb_str_new(typeinfo+0xc, strlen(typeinfo+0xc)-2);
#else
char *typeinfo = *(char**)(ptr - 0x4);
char *typestring = *(char**)(typeinfo + 0x4);
while (*typestring >= '0' && *typestring <= '9')
typestring++;
return rb_str_new2(typestring);
#endif
}
static VALUE rb_dfget_vtable_ptr(VALUE self, VALUE objptr)
{
// actually, rb_dfmemory_read_int32
return rb_uint2inum(*(uint32_t*)rb_num2ulong(objptr));
}
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// raw memory access
// used by the ruby class definitions
// XXX may cause game crash ! double-check your addresses !
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static VALUE rb_dfmalloc(VALUE self, VALUE len)
{
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char *ptr = (char*)malloc(FIX2INT(len));
if (!ptr)
rb_raise(*rb_eRuntimeError, "no memory");
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memset(ptr, 0, FIX2INT(len));
return rb_uint2inum((long)ptr);
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}
static VALUE rb_dffree(VALUE self, VALUE ptr)
{
free((void*)rb_num2ulong(ptr));
return Qtrue;
}
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// memory reading (buffer)
static VALUE rb_dfmemory_read(VALUE self, VALUE addr, VALUE len)
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{
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return rb_str_new((char*)rb_num2ulong(addr), rb_num2ulong(len));
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}
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// memory reading (integers/floats)
static VALUE rb_dfmemory_read_int8(VALUE self, VALUE addr)
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{
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return rb_int2inum(*(char*)rb_num2ulong(addr));
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}
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static VALUE rb_dfmemory_read_int16(VALUE self, VALUE addr)
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{
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return rb_int2inum(*(short*)rb_num2ulong(addr));
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}
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static VALUE rb_dfmemory_read_int32(VALUE self, VALUE addr)
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{
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return rb_int2inum(*(int*)rb_num2ulong(addr));
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}
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static VALUE rb_dfmemory_read_float(VALUE self, VALUE addr)
{
return rb_float_new(*(float*)rb_num2ulong(addr));
}
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// memory writing (buffer)
static VALUE rb_dfmemory_write(VALUE self, VALUE addr, VALUE raw)
{
// no stable api for raw.length between rb1.8/rb1.9 ...
int strlen = FIX2INT(rb_funcall(raw, rb_intern("length"), 0));
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memcpy((void*)rb_num2ulong(addr), rb_string_value_ptr(&raw), strlen);
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return Qtrue;
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}
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// memory writing (integers/floats)
static VALUE rb_dfmemory_write_int8(VALUE self, VALUE addr, VALUE val)
{
*(char*)rb_num2ulong(addr) = rb_num2ulong(val);
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return Qtrue;
}
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static VALUE rb_dfmemory_write_int16(VALUE self, VALUE addr, VALUE val)
{
*(short*)rb_num2ulong(addr) = rb_num2ulong(val);
return Qtrue;
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}
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static VALUE rb_dfmemory_write_int32(VALUE self, VALUE addr, VALUE val)
{
*(int*)rb_num2ulong(addr) = rb_num2ulong(val);
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return Qtrue;
}
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static VALUE rb_dfmemory_write_float(VALUE self, VALUE addr, VALUE val)
{
*(float*)rb_num2ulong(addr) = rb_num2dbl(val);
return Qtrue;
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}
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// stl::string
static VALUE rb_dfmemory_stlstring_init(VALUE self, VALUE addr)
{
// XXX THIS IS TERRIBLE
std::string *ptr = new std::string;
memcpy((void*)rb_num2ulong(addr), (void*)ptr, sizeof(*ptr));
return Qtrue;
}
static VALUE rb_dfmemory_read_stlstring(VALUE self, VALUE addr)
{
std::string *s = (std::string*)rb_num2ulong(addr);
return rb_str_new(s->c_str(), s->length());
}
static VALUE rb_dfmemory_write_stlstring(VALUE self, VALUE addr, VALUE val)
{
std::string *s = (std::string*)rb_num2ulong(addr);
int strlen = FIX2INT(rb_funcall(val, rb_intern("length"), 0));
s->assign(rb_string_value_ptr(&val), strlen);
return Qtrue;
}
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// vector access
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static VALUE rb_dfmemory_vec_init(VALUE self, VALUE addr)
{
std::vector<uint8_t> *ptr = new std::vector<uint8_t>;
memcpy((void*)rb_num2ulong(addr), (void*)ptr, sizeof(*ptr));
return Qtrue;
}
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// vector<uint8>
static VALUE rb_dfmemory_vec8_length(VALUE self, VALUE addr)
{
std::vector<uint8_t> *v = (std::vector<uint8_t>*)rb_num2ulong(addr);
return rb_uint2inum(v->size());
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}
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static VALUE rb_dfmemory_vec8_ptrat(VALUE self, VALUE addr, VALUE idx)
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{
std::vector<uint8_t> *v = (std::vector<uint8_t>*)rb_num2ulong(addr);
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return rb_uint2inum((uint32_t)&v->at(FIX2INT(idx)));
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}
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static VALUE rb_dfmemory_vec8_insert(VALUE self, VALUE addr, VALUE idx, VALUE val)
{
std::vector<uint8_t> *v = (std::vector<uint8_t>*)rb_num2ulong(addr);
v->insert(v->begin()+FIX2INT(idx), rb_num2ulong(val));
return Qtrue;
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}
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static VALUE rb_dfmemory_vec8_delete(VALUE self, VALUE addr, VALUE idx)
{
std::vector<uint8_t> *v = (std::vector<uint8_t>*)rb_num2ulong(addr);
v->erase(v->begin()+FIX2INT(idx));
return Qtrue;
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}
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// vector<uint16>
static VALUE rb_dfmemory_vec16_length(VALUE self, VALUE addr)
{
std::vector<uint16_t> *v = (std::vector<uint16_t>*)rb_num2ulong(addr);
return rb_uint2inum(v->size());
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}
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static VALUE rb_dfmemory_vec16_ptrat(VALUE self, VALUE addr, VALUE idx)
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{
std::vector<uint16_t> *v = (std::vector<uint16_t>*)rb_num2ulong(addr);
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return rb_uint2inum((uint32_t)&v->at(FIX2INT(idx)));
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}
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static VALUE rb_dfmemory_vec16_insert(VALUE self, VALUE addr, VALUE idx, VALUE val)
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{
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std::vector<uint16_t> *v = (std::vector<uint16_t>*)rb_num2ulong(addr);
v->insert(v->begin()+FIX2INT(idx), rb_num2ulong(val));
return Qtrue;
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}
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static VALUE rb_dfmemory_vec16_delete(VALUE self, VALUE addr, VALUE idx)
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{
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std::vector<uint16_t> *v = (std::vector<uint16_t>*)rb_num2ulong(addr);
v->erase(v->begin()+FIX2INT(idx));
return Qtrue;
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}
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// vector<uint32>
static VALUE rb_dfmemory_vec32_length(VALUE self, VALUE addr)
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{
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std::vector<uint32_t> *v = (std::vector<uint32_t>*)rb_num2ulong(addr);
return rb_uint2inum(v->size());
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}
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static VALUE rb_dfmemory_vec32_ptrat(VALUE self, VALUE addr, VALUE idx)
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{
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std::vector<uint32_t> *v = (std::vector<uint32_t>*)rb_num2ulong(addr);
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return rb_uint2inum((uint32_t)&v->at(FIX2INT(idx)));
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}
static VALUE rb_dfmemory_vec32_insert(VALUE self, VALUE addr, VALUE idx, VALUE val)
{
std::vector<uint32_t> *v = (std::vector<uint32_t>*)rb_num2ulong(addr);
v->insert(v->begin()+FIX2INT(idx), rb_num2ulong(val));
return Qtrue;
}
static VALUE rb_dfmemory_vec32_delete(VALUE self, VALUE addr, VALUE idx)
{
std::vector<uint32_t> *v = (std::vector<uint32_t>*)rb_num2ulong(addr);
v->erase(v->begin()+FIX2INT(idx));
return Qtrue;
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}
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// vector<bool>
static VALUE rb_dfmemory_vecbool_length(VALUE self, VALUE addr)
{
std::vector<bool> *v = (std::vector<bool>*)rb_num2ulong(addr);
return rb_uint2inum(v->size());
}
static VALUE rb_dfmemory_vecbool_at(VALUE self, VALUE addr, VALUE idx)
{
std::vector<bool> *v = (std::vector<bool>*)rb_num2ulong(addr);
return v->at(FIX2INT(idx)) ? Qtrue : Qfalse;
}
static VALUE rb_dfmemory_vecbool_setat(VALUE self, VALUE addr, VALUE idx, VALUE val)
{
std::vector<bool> *v = (std::vector<bool>*)rb_num2ulong(addr);
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v->at(FIX2INT(idx)) = (BOOL_ISFALSE(val) ? 0 : 1);
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return Qtrue;
}
static VALUE rb_dfmemory_vecbool_insert(VALUE self, VALUE addr, VALUE idx, VALUE val)
{
std::vector<bool> *v = (std::vector<bool>*)rb_num2ulong(addr);
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v->insert(v->begin()+FIX2INT(idx), (BOOL_ISFALSE(val) ? 0 : 1));
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return Qtrue;
}
static VALUE rb_dfmemory_vecbool_delete(VALUE self, VALUE addr, VALUE idx)
{
std::vector<bool> *v = (std::vector<bool>*)rb_num2ulong(addr);
v->erase(v->begin()+FIX2INT(idx));
return Qtrue;
}
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// BitArray
static VALUE rb_dfmemory_bitarray_length(VALUE self, VALUE addr)
{
DFHack::BitArray<int> *b = (DFHack::BitArray<int>*)rb_num2ulong(addr);
return rb_uint2inum(b->size*8); // b->size is in bytes
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}
static VALUE rb_dfmemory_bitarray_resize(VALUE self, VALUE addr, VALUE sz)
{
DFHack::BitArray<int> *b = (DFHack::BitArray<int>*)rb_num2ulong(addr);
b->resize(rb_num2ulong(sz));
return Qtrue;
}
static VALUE rb_dfmemory_bitarray_isset(VALUE self, VALUE addr, VALUE idx)
{
DFHack::BitArray<int> *b = (DFHack::BitArray<int>*)rb_num2ulong(addr);
return b->is_set(rb_num2ulong(idx)) ? Qtrue : Qfalse;
}
static VALUE rb_dfmemory_bitarray_set(VALUE self, VALUE addr, VALUE idx, VALUE val)
{
DFHack::BitArray<int> *b = (DFHack::BitArray<int>*)rb_num2ulong(addr);
b->set(rb_num2ulong(idx), (BOOL_ISFALSE(val) ? 0 : 1));
return Qtrue;
}
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/* call an arbitrary object virtual method */
static VALUE rb_dfvcall(VALUE self, VALUE cppobj, VALUE cppvoff, VALUE a0, VALUE a1, VALUE a2, VALUE a3)
{
#ifdef WIN32
__thiscall
#endif
int (*fptr)(char **me, int, int, int, int);
char **that = (char**)rb_num2ulong(cppobj);
int ret;
fptr = (decltype(fptr))*(void**)(*that + rb_num2ulong(cppvoff));
ret = fptr(that, rb_num2ulong(a0), rb_num2ulong(a1), rb_num2ulong(a2), rb_num2ulong(a3));
return rb_int2inum(ret);
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}
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// define module DFHack and its methods
static void ruby_bind_dfhack(void) {
rb_cDFHack = rb_define_module("DFHack");
// global DFHack commands
rb_define_singleton_method(rb_cDFHack, "onupdate_active", RUBY_METHOD_FUNC(rb_dfonupdateactive), 0);
rb_define_singleton_method(rb_cDFHack, "onupdate_active=", RUBY_METHOD_FUNC(rb_dfonupdateactiveset), 1);
rb_define_singleton_method(rb_cDFHack, "resume", RUBY_METHOD_FUNC(rb_dfresume), 0);
rb_define_singleton_method(rb_cDFHack, "do_suspend", RUBY_METHOD_FUNC(rb_dfsuspend), 0);
rb_define_singleton_method(rb_cDFHack, "get_global_address", RUBY_METHOD_FUNC(rb_dfget_global_address), 1);
rb_define_singleton_method(rb_cDFHack, "get_vtable", RUBY_METHOD_FUNC(rb_dfget_vtable), 1);
rb_define_singleton_method(rb_cDFHack, "get_rtti_classname", RUBY_METHOD_FUNC(rb_dfget_rtti_classname), 1);
rb_define_singleton_method(rb_cDFHack, "get_vtable_ptr", RUBY_METHOD_FUNC(rb_dfget_vtable_ptr), 1);
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rb_define_singleton_method(rb_cDFHack, "register_dfcommand", RUBY_METHOD_FUNC(rb_dfregister), 2);
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rb_define_singleton_method(rb_cDFHack, "print_str", RUBY_METHOD_FUNC(rb_dfprint_str), 1);
rb_define_singleton_method(rb_cDFHack, "print_err", RUBY_METHOD_FUNC(rb_dfprint_err), 1);
rb_define_singleton_method(rb_cDFHack, "malloc", RUBY_METHOD_FUNC(rb_dfmalloc), 1);
rb_define_singleton_method(rb_cDFHack, "free", RUBY_METHOD_FUNC(rb_dffree), 1);
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rb_define_singleton_method(rb_cDFHack, "vmethod_do_call", RUBY_METHOD_FUNC(rb_dfvcall), 6);
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rb_define_const(rb_cDFHack, "REBASE_DELTA", rb_dfrebase_delta());
rb_define_singleton_method(rb_cDFHack, "memory_read", RUBY_METHOD_FUNC(rb_dfmemory_read), 2);
rb_define_singleton_method(rb_cDFHack, "memory_read_int8", RUBY_METHOD_FUNC(rb_dfmemory_read_int8), 1);
rb_define_singleton_method(rb_cDFHack, "memory_read_int16", RUBY_METHOD_FUNC(rb_dfmemory_read_int16), 1);
rb_define_singleton_method(rb_cDFHack, "memory_read_int32", RUBY_METHOD_FUNC(rb_dfmemory_read_int32), 1);
rb_define_singleton_method(rb_cDFHack, "memory_read_float", RUBY_METHOD_FUNC(rb_dfmemory_read_float), 1);
rb_define_singleton_method(rb_cDFHack, "memory_write", RUBY_METHOD_FUNC(rb_dfmemory_write), 2);
rb_define_singleton_method(rb_cDFHack, "memory_write_int8", RUBY_METHOD_FUNC(rb_dfmemory_write_int8), 2);
rb_define_singleton_method(rb_cDFHack, "memory_write_int16", RUBY_METHOD_FUNC(rb_dfmemory_write_int16), 2);
rb_define_singleton_method(rb_cDFHack, "memory_write_int32", RUBY_METHOD_FUNC(rb_dfmemory_write_int32), 2);
rb_define_singleton_method(rb_cDFHack, "memory_write_float", RUBY_METHOD_FUNC(rb_dfmemory_write_float), 2);
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rb_define_singleton_method(rb_cDFHack, "memory_stlstring_init", RUBY_METHOD_FUNC(rb_dfmemory_stlstring_init), 1);
rb_define_singleton_method(rb_cDFHack, "memory_read_stlstring", RUBY_METHOD_FUNC(rb_dfmemory_read_stlstring), 1);
rb_define_singleton_method(rb_cDFHack, "memory_write_stlstring", RUBY_METHOD_FUNC(rb_dfmemory_write_stlstring), 2);
rb_define_singleton_method(rb_cDFHack, "memory_vector_init", RUBY_METHOD_FUNC(rb_dfmemory_vec_init), 1);
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rb_define_singleton_method(rb_cDFHack, "memory_vector8_length", RUBY_METHOD_FUNC(rb_dfmemory_vec8_length), 1);
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rb_define_singleton_method(rb_cDFHack, "memory_vector8_ptrat", RUBY_METHOD_FUNC(rb_dfmemory_vec8_ptrat), 2);
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rb_define_singleton_method(rb_cDFHack, "memory_vector8_insert", RUBY_METHOD_FUNC(rb_dfmemory_vec8_insert), 3);
rb_define_singleton_method(rb_cDFHack, "memory_vector8_delete", RUBY_METHOD_FUNC(rb_dfmemory_vec8_delete), 2);
rb_define_singleton_method(rb_cDFHack, "memory_vector16_length", RUBY_METHOD_FUNC(rb_dfmemory_vec16_length), 1);
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rb_define_singleton_method(rb_cDFHack, "memory_vector16_ptrat", RUBY_METHOD_FUNC(rb_dfmemory_vec16_ptrat), 2);
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rb_define_singleton_method(rb_cDFHack, "memory_vector16_insert", RUBY_METHOD_FUNC(rb_dfmemory_vec16_insert), 3);
rb_define_singleton_method(rb_cDFHack, "memory_vector16_delete", RUBY_METHOD_FUNC(rb_dfmemory_vec16_delete), 2);
rb_define_singleton_method(rb_cDFHack, "memory_vector32_length", RUBY_METHOD_FUNC(rb_dfmemory_vec32_length), 1);
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rb_define_singleton_method(rb_cDFHack, "memory_vector32_ptrat", RUBY_METHOD_FUNC(rb_dfmemory_vec32_ptrat), 2);
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rb_define_singleton_method(rb_cDFHack, "memory_vector32_insert", RUBY_METHOD_FUNC(rb_dfmemory_vec32_insert), 3);
rb_define_singleton_method(rb_cDFHack, "memory_vector32_delete", RUBY_METHOD_FUNC(rb_dfmemory_vec32_delete), 2);
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rb_define_singleton_method(rb_cDFHack, "memory_vectorbool_length", RUBY_METHOD_FUNC(rb_dfmemory_vecbool_length), 1);
rb_define_singleton_method(rb_cDFHack, "memory_vectorbool_at", RUBY_METHOD_FUNC(rb_dfmemory_vecbool_at), 2);
rb_define_singleton_method(rb_cDFHack, "memory_vectorbool_setat", RUBY_METHOD_FUNC(rb_dfmemory_vecbool_setat), 3);
rb_define_singleton_method(rb_cDFHack, "memory_vectorbool_insert", RUBY_METHOD_FUNC(rb_dfmemory_vecbool_insert), 3);
rb_define_singleton_method(rb_cDFHack, "memory_vectorbool_delete", RUBY_METHOD_FUNC(rb_dfmemory_vecbool_delete), 2);
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rb_define_singleton_method(rb_cDFHack, "memory_bitarray_length", RUBY_METHOD_FUNC(rb_dfmemory_bitarray_length), 1);
rb_define_singleton_method(rb_cDFHack, "memory_bitarray_resize", RUBY_METHOD_FUNC(rb_dfmemory_bitarray_resize), 2);
rb_define_singleton_method(rb_cDFHack, "memory_bitarray_isset", RUBY_METHOD_FUNC(rb_dfmemory_bitarray_isset), 2);
rb_define_singleton_method(rb_cDFHack, "memory_bitarray_set", RUBY_METHOD_FUNC(rb_dfmemory_bitarray_set), 3);
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// load the default ruby-level definitions
int state=0;
rb_load_protect(rb_str_new2("./hack/ruby.rb"), Qfalse, &state);
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if (state)
dump_rb_error();
}