b936c83f0d
* NEW: Update copyright strings. [DEVELOPMENT ENVIRONMENT] * NEW: Display menu shortcuts inside the form editor. git-svn-id: svn://localhost/gambas/trunk@3670 867c0c6c-44f3-4631-809d-bfa615b0a4ec
577 lines
11 KiB
C
577 lines
11 KiB
C
/***************************************************************************
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gbx_exec_push.c
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(c) 2000-2011 Benoît Minisini <gambas@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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***************************************************************************/
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#include "gb_common.h"
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#include "gb_limit.h"
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#include "gbx_exec.h"
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#include "gb_pcode.h"
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#include "gbx_api.h"
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#include "gbx_string.h"
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#include "gbx_c_array.h"
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#include "gbx_c_collection.h"
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#include "gbx_api.h"
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#include "gbx_struct.h"
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void EXEC_push_unknown(ushort code)
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{
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static void *jump[] = {
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/* 0 */ &&_PUSH_GENERIC,
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/* 1 */ &&_PUSH_CONSTANT,
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/* 2 */ &&_PUSH_VARIABLE,
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/* 3 */ &&_PUSH_STATIC_VARIABLE,
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/* 4 */ &&_PUSH_PROPERTY,
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/* 5 */ &&_PUSH_METHOD,
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/* 6 */ &&_PUSH_STATIC_METHOD,
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/* 7 */ &&_PUSH_VARIABLE_AUTO,
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/* 8 */ &&_PUSH_PROPERTY_AUTO,
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/* 9 */ &&_PUSH_METHOD_AUTO,
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/* 10 */ &&_PUSH_EXTERN,
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/* 11 */ &&_PUSH_STRUCT_FIELD
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};
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const char *name;
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int index;
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CLASS_DESC *desc;
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CLASS *class;
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OBJECT *object;
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void *ref;
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char *addr;
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bool defined;
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VALUE *val;
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defined = EXEC_object(&SP[-1], &class, &object);
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goto *jump[code & 0xF];
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_PUSH_GENERIC:
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name = CP->load->unknown[PC[1]];
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// The first time we access a symbol, we must not be virtual to find it
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val = &SP[-1];
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if (LIKELY(defined && object && !VALUE_is_super(val)))
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index = CLASS_find_symbol(val->_object.class, name);
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else
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index = CLASS_find_symbol(class, name);
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if (UNLIKELY(index == NO_SYMBOL))
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{
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//index = CLASS_find_symbol(class, name);
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if (class->special[SPEC_UNKNOWN] == NO_SYMBOL)
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{
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if (defined && object && !VALUE_is_super(val))
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class = val->_object.class;
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THROW(E_NSYMBOL, name, class->name);
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}
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goto _PUSH_UNKNOWN_METHOD;
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}
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desc = class->table[index].desc;
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switch (CLASS_DESC_get_type(desc))
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{
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case CD_CONSTANT:
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if (LIKELY(defined))
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{
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if ((PC[-1] & 0xF800) == C_PUSH_CLASS)
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{
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if (desc->constant.type == T_BOOLEAN)
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{
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PC[-1] = C_PUSH_MISC | (desc->constant.value._integer ? CPM_TRUE : CPM_FALSE);
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PC[0] = C_NOP;
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PC[1] = C_NOP;
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goto _PUSH_CONSTANT_2;
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}
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else if (desc->constant.type == T_BYTE || desc->constant.type == T_SHORT)
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{
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PC[-1] = C_PUSH_INTEGER;
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PC[0] = desc->constant.value._integer;
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PC[1] = (CODE_CONV << 8) | desc->constant.type;
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goto _PUSH_CONSTANT_2;
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}
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else if (desc->constant.type == T_INTEGER)
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{
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PC[-1] = C_PUSH_LONG;
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PC[0] = desc->constant.value._integer & 0xFFFF;
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PC[1] = desc->constant.value._integer >> 16;
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goto _PUSH_CONSTANT_2;
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}
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}
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*PC |= 1;
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PC[1] = index;
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}
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goto _PUSH_CONSTANT_2;
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case CD_VARIABLE:
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if (object == NULL)
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{
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if (UNLIKELY(!class->auto_create))
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THROW(E_DYNAMIC, class->name, name);
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object = EXEC_auto_create(class, TRUE);
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*PC |= 7;
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}
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else
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{
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if (defined) *PC |= 2;
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}
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if (defined)
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PC[1] = index;
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goto _PUSH_VARIABLE_2;
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case CD_STRUCT_FIELD:
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if (object == NULL)
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THROW(E_DYNAMIC, class->name, name);
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if (defined)
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{
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*PC |= 11;
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PC[1] = index;
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}
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goto _PUSH_STRUCT_FIELD_2;
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case CD_STATIC_VARIABLE:
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if (UNLIKELY(object != NULL))
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THROW(E_STATIC, class->name, name);
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if (defined) *PC |= 3;
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if (defined)
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PC[1] = index;
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goto _PUSH_STATIC_VARIABLE_2;
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case CD_PROPERTY:
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case CD_PROPERTY_READ:
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if (object == NULL)
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{
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if (UNLIKELY(!class->auto_create))
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THROW(E_DYNAMIC, class->name, name);
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object = EXEC_auto_create(class, TRUE);
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*PC |= 8;
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}
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else
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{
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if (defined) *PC |= 4;
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}
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if (defined)
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PC[1] = index;
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goto _PUSH_PROPERTY_2;
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case CD_STATIC_PROPERTY:
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case CD_STATIC_PROPERTY_READ:
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if (UNLIKELY(object != NULL))
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THROW(E_STATIC, class->name, name);
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if (defined) *PC |= 4;
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if (defined)
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PC[1] = index;
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goto _PUSH_PROPERTY_2;
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case CD_METHOD:
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if (object == NULL)
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{
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if (UNLIKELY(!class->auto_create))
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THROW(E_DYNAMIC, class->name, name);
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object = EXEC_auto_create(class, TRUE);
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*PC |= 9;
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}
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else
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{
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if (defined) *PC |= 5;
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}
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if (defined)
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PC[1] = index;
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goto _PUSH_METHOD_2;
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case CD_STATIC_METHOD:
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if (object)
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{
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OBJECT_UNREF(object, "EXEC_push_unknown");
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object = NULL;
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}
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if (defined) *PC |= 6;
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if (defined)
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PC[1] = index;
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goto _PUSH_METHOD_2;
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case CD_EXTERN:
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if (object)
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{
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OBJECT_UNREF(object, "EXEC_push_unknown");
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object = NULL;
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}
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if (defined) *PC |= 10;
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if (defined)
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PC[1] = index;
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goto _PUSH_EXTERN_2;
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default:
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THROW(E_NSYMBOL, name, class->name);
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}
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_PUSH_CONSTANT:
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desc = class->table[PC[1]].desc;
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_PUSH_CONSTANT_2:
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VALUE_read(&SP[-1], (void *)&desc->constant.value, desc->constant.type);
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goto _FIN_DEFINED;
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_PUSH_VARIABLE_AUTO:
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object = EXEC_auto_create(class, TRUE);
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_PUSH_VARIABLE:
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desc = class->table[PC[1]].desc;
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_PUSH_VARIABLE_2:
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addr = (char *)object + desc->variable.offset;
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ref = object;
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goto _READ_VARIABLE;
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_PUSH_STATIC_VARIABLE:
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desc = class->table[PC[1]].desc;
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_PUSH_STATIC_VARIABLE_2:
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addr = (char *)desc->variable.class->stat + desc->variable.offset;
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ref = desc->variable.class;
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goto _READ_VARIABLE;
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_PUSH_STRUCT_FIELD:
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desc = class->table[PC[1]].desc;
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_PUSH_STRUCT_FIELD_2:
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if (((CSTRUCT *)object)->ref)
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addr = (char *)((CSTATICSTRUCT *)object)->addr + desc->variable.offset;
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else
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addr = (char *)object + sizeof(CSTRUCT) + desc->variable.offset;
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ref = object;
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goto _READ_VARIABLE;
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_READ_VARIABLE:
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VALUE_class_read(desc->variable.class, &SP[-1], (void *)addr, desc->variable.ctype, ref);
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goto _FIN_DEFINED;
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_PUSH_PROPERTY_AUTO:
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object = EXEC_auto_create(class, TRUE);
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_PUSH_PROPERTY:
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desc = class->table[PC[1]].desc;
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_PUSH_PROPERTY_2:
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if (desc->property.native)
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{
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if (EXEC_call_native(desc->property.read, object, desc->property.type, NULL))
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PROPAGATE();
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//SP[-1] = TEMP;
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VALUE_copy(&SP[-1], &TEMP);
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goto _FIN_DEFINED;
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}
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else
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{
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EXEC.class = desc->property.class;
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EXEC.object = object;
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EXEC.nparam = 0;
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EXEC.native = FALSE;
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EXEC.index = (int)(intptr_t)desc->property.read;
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EXEC_function_keep();
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//SP[-1] = *RP;
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VALUE_copy(&SP[-1], RP);
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RP->type = T_VOID;
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goto _FIN_DEFINED_NO_BORROW;
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}
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_PUSH_STATIC_METHOD:
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if (object)
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{
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OBJECT_UNREF(object, "EXEC_push_unknown");
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object = NULL;
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}
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goto _PUSH_METHOD;
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_PUSH_METHOD_AUTO:
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object = EXEC_auto_create(class, TRUE);
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_PUSH_METHOD:
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index = PC[1];
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desc = class->table[index].desc;
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_PUSH_METHOD_2:
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//printf("PUSH_METHOD: %d %s\n", index, desc->method.name);
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SP--;
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SP->type = T_FUNCTION;
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SP->_function.class = class;
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SP->_function.object = object;
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/*SP->_function.function = (int)&desc->method;*/
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if (FUNCTION_is_native(&desc->method))
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SP->_function.kind = FUNCTION_NATIVE;
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else
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SP->_function.kind = FUNCTION_PUBLIC;
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SP->_function.index = index;
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SP->_function.defined = defined;
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SP++;
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goto _FIN;
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_PUSH_EXTERN:
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if (object)
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{
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OBJECT_UNREF(object, "EXEC_push_unknown");
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object = NULL;
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}
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index = PC[1];
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desc = class->table[index].desc;
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_PUSH_EXTERN_2:
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//printf("PUSH_METHOD: %d %s\n", index, desc->method.name);
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SP--;
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SP->type = T_FUNCTION;
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SP->_function.class = class;
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SP->_function.object = object;
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SP->_function.kind = FUNCTION_EXTERN;
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SP->_function.index = (int)desc->ext.exec;
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SP->_function.defined = defined;
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SP++;
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goto _FIN;
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_PUSH_UNKNOWN_METHOD:
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SP--;
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SP->type = T_FUNCTION;
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SP->_function.class = class;
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SP->_function.object = object;
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SP->_function.kind = FUNCTION_UNKNOWN;
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SP->_function.index = PC[1];
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SP->_function.defined = FALSE;
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SP++;
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//OBJECT_REF(&object, "EXEC_push_unknown: UNKNOWN");
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goto _FIN;
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_FIN_DEFINED:
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BORROW(&SP[-1]);
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_FIN_DEFINED_NO_BORROW:
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if (UNLIKELY(!defined))
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VALUE_conv_variant(&SP[-1]);
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/* sp[-1] contenait l'objet et a <20><><EFBFBD>ras<61> Il faut donc le d<><64><EFBFBD>encer
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nous-m<>e. Sauf si c'est un appel de m<>hode statique (cf. plus haut) */
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OBJECT_UNREF(object, "EXEC_push_unknown");
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_FIN:
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PC++;
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}
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void EXEC_push_array(ushort code)
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{
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static const void *jump[] = { &&__PUSH_GENERIC, &&__PUSH_QUICK_ARRAY, &&__PUSH_QUICK_COLLECTION, &&__PUSH_ARRAY };
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CLASS *class;
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OBJECT *object;
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GET_NPARAM(np);
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//int dim[MAX_ARRAY_DIM];
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int i;
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void *data;
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bool defined;
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VALUE *val;
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int fast;
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//ARRAY_DESC *desc;
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val = &SP[-np];
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np--;
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goto *jump[((unsigned char)code) >> 6];
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__PUSH_GENERIC:
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defined = EXEC_object(val, &class, &object);
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// The first time we access a symbol, we must not be virtual to find it
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if (LIKELY(defined && object && !VALUE_is_super(val)))
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class = val->_object.class;
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fast = 3;
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if (LIKELY(defined))
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{
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if (class->quick_array == CQA_ARRAY)
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fast = 1;
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else if (class->quick_array == CQA_COLLECTION)
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fast = 2;
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}
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*PC |= fast << 6;
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goto __PUSH_ARRAY_2;
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/*__PUSH_STATIC_ARRAY:
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for (i = 1; i <= np; i++)
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{
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VALUE_conv_integer(&val[i];
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dim[i - 1] = val[i]._integer.value;
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}
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SP = val;
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desc = (ARRAY_DESC *)SP->_array.class->load->array[SP->_array.index];
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data = ARRAY_get_address(desc, SP->_array.addr, np, dim);
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VALUE_read(SP, data, CLASS_ctype_to_type(SP->_array.class, desc->type));
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PUSH();
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return;*/
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__PUSH_QUICK_ARRAY:
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EXEC_object_fast(val, &class, &object);
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VALUE_conv_integer(&val[1]);
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if (LIKELY(np == 1))
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{
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data = CARRAY_get_data((CARRAY *)object, val[1]._integer.value);
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}
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else
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{
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for (i = 2; i <= np; i++)
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VALUE_conv_integer(&val[i]);
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data = CARRAY_get_data_multi((CARRAY *)object, (GB_INTEGER *)&val[1], np);
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}
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if (UNLIKELY(data == NULL))
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PROPAGATE();
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VALUE_read(val, data, ((CARRAY *)object)->type);
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goto __PUSH_QUICK_END;
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__PUSH_QUICK_COLLECTION:
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EXEC_object_fast(val, &class, &object);
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VALUE_conv_string(&val[1]);
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//fprintf(stderr, "GB_CollectionGet: %p '%.*s'\n", val[1]._string.addr, val[1]._string.len, val[1]._string.addr + val[1]._string.start);
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GB_CollectionGet((GB_COLLECTION)object, val[1]._string.addr + val[1]._string.start, val[1]._string.len, (GB_VARIANT *)val);
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RELEASE_STRING(&val[1]);
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__PUSH_QUICK_END:
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SP = val;
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PUSH();
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OBJECT_UNREF(object, "EXEC_push_array");
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return;
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__PUSH_ARRAY:
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defined = EXEC_object(val, &class, &object);
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__PUSH_ARRAY_2:
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if (UNLIKELY(EXEC_special(SPEC_GET, class, object, np, FALSE)))
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THROW(E_NARRAY, class->name);
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OBJECT_UNREF(object, "EXEC_push_array");
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SP--;
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//SP[-1] = SP[0];
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VALUE_copy(&SP[-1], &SP[0]);
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if (UNLIKELY(!defined))
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VALUE_conv_variant(&SP[-1]);
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}
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