mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
417231cdfe
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2772 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
341 lines
7 KiB
C
341 lines
7 KiB
C
/*
|
|
Win32API - Ruby Win32 API Import Facility
|
|
*/
|
|
|
|
#if !defined _MSC_VER && !defined NT
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <windows.h>
|
|
#include <stdio.h>
|
|
#endif
|
|
|
|
#if defined(_MSC_VER)
|
|
#if defined(_M_ALPHA)
|
|
#ifdef __cplusplus
|
|
extern "C" { long __asm(char *,...); };
|
|
#else
|
|
long __asm(char *,...);
|
|
#endif
|
|
#pragma intrinsic(__asm)
|
|
#endif
|
|
#endif
|
|
|
|
#define _T_VOID 0
|
|
#define _T_NUMBER 1
|
|
#define _T_POINTER 2
|
|
#define _T_INTEGER 3
|
|
|
|
typedef char *ApiPointer(void);
|
|
typedef long ApiNumber(void);
|
|
typedef void ApiVoid(void);
|
|
typedef int ApiInteger(void);
|
|
|
|
#include "ruby.h"
|
|
|
|
typedef struct {
|
|
HANDLE dll;
|
|
HANDLE proc;
|
|
VALUE dllname;
|
|
VALUE import;
|
|
VALUE export;
|
|
} Win32API;
|
|
|
|
static void
|
|
Win32API_FreeLibrary(hdll)
|
|
HINSTANCE hdll;
|
|
{
|
|
FreeLibrary(hdll);
|
|
}
|
|
|
|
static VALUE
|
|
Win32API_initialize(self, dllname, proc, import, export)
|
|
VALUE self;
|
|
VALUE dllname;
|
|
VALUE proc;
|
|
VALUE import;
|
|
VALUE export;
|
|
{
|
|
HANDLE hproc;
|
|
HINSTANCE hdll;
|
|
VALUE str;
|
|
VALUE a_import;
|
|
VALUE *ptr;
|
|
char *s;
|
|
int i;
|
|
int len;
|
|
int ex;
|
|
|
|
SafeStringValue(dllname);
|
|
SafeStringValue(proc);
|
|
hdll = LoadLibrary(RSTRING(dllname)->ptr);
|
|
if (!hdll)
|
|
rb_raise(rb_eRuntimeError, "LoadLibrary: %s\n", RSTRING(dllname)->ptr);
|
|
rb_iv_set(self, "__hdll__", Data_Wrap_Struct(self, 0, Win32API_FreeLibrary, hdll));
|
|
hproc = GetProcAddress(hdll, RSTRING(proc)->ptr);
|
|
if (!hproc) {
|
|
str = rb_str_new3(proc);
|
|
str = rb_str_cat(str, "A", 1);
|
|
hproc = GetProcAddress(hdll, RSTRING(str)->ptr);
|
|
if (!hproc)
|
|
rb_raise(rb_eRuntimeError, "GetProcAddress: %s or %s\n",
|
|
RSTRING(proc)->ptr, RSTRING(str)->ptr);
|
|
}
|
|
rb_iv_set(self, "__dll__", UINT2NUM((unsigned long)hdll));
|
|
rb_iv_set(self, "__dllname__", dllname);
|
|
rb_iv_set(self, "__proc__", UINT2NUM((unsigned long)hproc));
|
|
|
|
a_import = rb_ary_new();
|
|
switch (TYPE(import)) {
|
|
case T_NIL:
|
|
break;
|
|
case T_ARRAY:
|
|
ptr = RARRAY(import)->ptr;
|
|
for (i = 0, len = RARRAY(import)->len; i < len; i++) {
|
|
SafeStringValue(ptr[i]);
|
|
switch (*(char *)RSTRING(ptr[i])->ptr) {
|
|
case 'N': case 'n': case 'L': case 'l':
|
|
rb_ary_push(a_import, INT2FIX(_T_NUMBER));
|
|
break;
|
|
case 'P': case 'p':
|
|
rb_ary_push(a_import, INT2FIX(_T_POINTER));
|
|
break;
|
|
case 'I': case 'i':
|
|
rb_ary_push(a_import, INT2FIX(_T_INTEGER));
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
SafeStringValue(import);
|
|
s = RSTRING(import)->ptr;
|
|
for (i = 0, len = RSTRING(import)->len; i < len; i++) {
|
|
switch (*s++) {
|
|
case 'N': case 'n': case 'L': case 'l':
|
|
rb_ary_push(a_import, INT2FIX(_T_NUMBER));
|
|
break;
|
|
case 'P': case 'p':
|
|
rb_ary_push(a_import, INT2FIX(_T_POINTER));
|
|
break;
|
|
case 'I': case 'i':
|
|
rb_ary_push(a_import, INT2FIX(_T_INTEGER));
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
rb_iv_set(self, "__import__", a_import);
|
|
|
|
if (NIL_P(export)) {
|
|
ex = _T_VOID;
|
|
} else {
|
|
SafeStringValue(export);
|
|
switch (*RSTRING(export)->ptr) {
|
|
case 'V': case 'v':
|
|
ex = _T_VOID;
|
|
break;
|
|
case 'N': case 'n': case 'L': case 'l':
|
|
ex = _T_NUMBER;
|
|
break;
|
|
case 'P': case 'p':
|
|
ex = _T_POINTER;
|
|
break;
|
|
case 'I': case 'i':
|
|
ex = _T_INTEGER;
|
|
break;
|
|
}
|
|
}
|
|
rb_iv_set(self, "__export__", INT2FIX(ex));
|
|
|
|
return Qnil;
|
|
}
|
|
|
|
#ifdef __BORLANDC__
|
|
int c_m( FARPROC api, long* p )
|
|
{
|
|
long pp[16];
|
|
memcpy( pp, p, 16*sizeof(long) );
|
|
return api();
|
|
}
|
|
#endif
|
|
|
|
static VALUE
|
|
Win32API_Call(argc, argv, obj)
|
|
int argc;
|
|
VALUE *argv;
|
|
VALUE obj;
|
|
{
|
|
VALUE args;
|
|
|
|
FARPROC ApiFunction;
|
|
|
|
ApiPointer *ApiFunctionPointer;
|
|
ApiNumber *ApiFunctionNumber;
|
|
ApiVoid *ApiFunctionVoid;
|
|
ApiInteger *ApiFunctionInteger;
|
|
|
|
long lParam;
|
|
char *pParam;
|
|
|
|
VALUE Return;
|
|
|
|
VALUE obj_proc;
|
|
VALUE obj_import;
|
|
VALUE obj_export;
|
|
VALUE import_type;
|
|
int nimport, timport, texport, i;
|
|
int items;
|
|
int ret;
|
|
#ifdef __BORLANDC__
|
|
long* ptr;
|
|
long p[16];
|
|
#endif
|
|
|
|
items = rb_scan_args(argc, argv, "0*", &args);
|
|
|
|
obj_proc = rb_iv_get(obj, "__proc__");
|
|
|
|
ApiFunction = (FARPROC)NUM2ULONG(obj_proc);
|
|
|
|
obj_import = rb_iv_get(obj, "__import__");
|
|
obj_export = rb_iv_get(obj, "__export__");
|
|
nimport = RARRAY(obj_import)->len;
|
|
texport = FIX2INT(obj_export);
|
|
|
|
if (items != nimport)
|
|
rb_raise(rb_eRuntimeError, "Wrong number of parameters: expected %d, got %d.\n",
|
|
nimport, items);
|
|
|
|
if (0 < nimport) {
|
|
#ifdef __BORLANDC__
|
|
ptr = p + ( nimport - 1 );
|
|
#endif
|
|
for (i = nimport - 1; 0 <= i; i--) {
|
|
VALUE str;
|
|
import_type = rb_ary_entry(obj_import, i);
|
|
timport = FIX2INT(import_type);
|
|
switch (timport) {
|
|
case _T_NUMBER:
|
|
case _T_INTEGER:
|
|
lParam = NUM2ULONG(rb_ary_entry(args, i));
|
|
#if defined(_MSC_VER) || defined(__LCC__)
|
|
#if defined(_M_IX86)
|
|
_asm {
|
|
mov eax, lParam
|
|
push eax
|
|
}
|
|
#elif defined(_M_ALPHA)
|
|
__asm(
|
|
"ldl r0, 0(%0);"
|
|
"stq r0, -(sp);"
|
|
, lParam
|
|
);
|
|
#else
|
|
#error
|
|
#endif
|
|
#elif defined(__BORLANDC__)
|
|
*ptr = lParam;
|
|
--ptr;
|
|
#elif defined __GNUC__
|
|
asm volatile ("pushl %0" :: "g" (lParam));
|
|
#else
|
|
#error
|
|
#endif
|
|
break;
|
|
case _T_POINTER:
|
|
str = rb_ary_entry(args, i);
|
|
if (NIL_P(str)) {
|
|
pParam = 0;
|
|
} else if (FIXNUM_P(str)){
|
|
pParam = (char *)NUM2ULONG(str);
|
|
} else {
|
|
StringValue(str);
|
|
rb_str_modify(str);
|
|
pParam = StringValuePtr(str);
|
|
}
|
|
#if defined(_MSC_VER) || defined(__LCC__)
|
|
#if defined(_M_IX86)
|
|
_asm {
|
|
mov eax, pParam
|
|
push eax
|
|
}
|
|
#elif defined(_M_ALPHA)
|
|
__asm(
|
|
"ldl r0, 0(%0);"
|
|
"stq r0, -(sp);"
|
|
, pParam
|
|
);
|
|
#else
|
|
#error
|
|
#endif
|
|
#elif defined(__BORLANDC__)
|
|
*ptr = (long)pParam;
|
|
--ptr;
|
|
#elif defined __GNUC__
|
|
asm volatile ("pushl %0" :: "g" (pParam));
|
|
#else
|
|
#error
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined __GNUC__
|
|
asm volatile ("call *%1" : "=r" (ret) : "g" (ApiFunction));
|
|
switch (texport) {
|
|
case _T_NUMBER:
|
|
case _T_INTEGER:
|
|
Return = INT2NUM(ret);
|
|
break;
|
|
case _T_POINTER:
|
|
Return = rb_str_new2((char *)ret);
|
|
break;
|
|
case _T_VOID:
|
|
default:
|
|
Return = INT2NUM(0);
|
|
break;
|
|
}
|
|
#else
|
|
switch (texport) {
|
|
case _T_NUMBER:
|
|
#if defined(__BORLANDC__)
|
|
Return = INT2NUM((long)c_m(ApiFunction, p));
|
|
#else
|
|
ApiFunctionNumber = (ApiNumber *) ApiFunction;
|
|
Return = INT2NUM(ApiFunctionNumber());
|
|
#endif
|
|
break;
|
|
case _T_POINTER:
|
|
#if defined(__BORLANDC__)
|
|
Return = rb_str_new2((char *)c_m(ApiFunction, p));
|
|
#else
|
|
ApiFunctionPointer = (ApiPointer *) ApiFunction;
|
|
Return = rb_str_new2((char *)ApiFunctionPointer());
|
|
#endif
|
|
break;
|
|
case _T_INTEGER:
|
|
#if defined(__BORLANDC__)
|
|
Return = INT2NUM((int)c_m(ApiFunction, p));
|
|
#else
|
|
ApiFunctionInteger = (ApiInteger *) ApiFunction;
|
|
Return = INT2NUM(ApiFunctionInteger());
|
|
#endif
|
|
break;
|
|
case _T_VOID:
|
|
default:
|
|
ApiFunctionVoid = (ApiVoid *) ApiFunction;
|
|
ApiFunctionVoid();
|
|
Return = INT2NUM(0);
|
|
break;
|
|
}
|
|
#endif
|
|
return Return;
|
|
}
|
|
|
|
void
|
|
Init_Win32API()
|
|
{
|
|
VALUE cWin32API = rb_define_class("Win32API", rb_cObject);
|
|
rb_define_method(cWin32API, "initialize", Win32API_initialize, 4);
|
|
rb_define_method(cWin32API, "call", Win32API_Call, -1);
|
|
rb_define_alias(cWin32API, "Call", "call");
|
|
}
|