2007-12-30 17:41:49 +01:00
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/***************************************************************************
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2011-12-31 03:39:20 +01:00
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gbc_trans_expr.c
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2007-12-30 17:41:49 +01:00
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2013-08-03 17:38:01 +02:00
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(c) 2000-2013 Benoît Minisini <gambas@users.sourceforge.net>
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2007-12-30 17:41:49 +01:00
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2011-12-31 03:39:20 +01:00
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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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2007-12-30 17:41:49 +01:00
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2011-12-31 03:39:20 +01:00
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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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2007-12-30 17:41:49 +01:00
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2011-12-31 03:39:20 +01:00
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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., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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2007-12-30 17:41:49 +01:00
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***************************************************************************/
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#define _TRANS_EXPR_C
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <ctype.h>
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#include "gb_common.h"
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#include "gb_error.h"
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#include "gbc_compile.h"
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#include "gbc_trans.h"
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#include "gb_code.h"
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/*#define DEBUG*/
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//static bool _accept_statement = FALSE;
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2010-05-29 02:11:55 +02:00
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static short get_nparam(PATTERN *tree, int count, int *pindex, uint64_t *byref)
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2007-12-30 17:41:49 +01:00
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{
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2010-12-29 09:21:51 +01:00
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PATTERN pattern;
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int nparam = 0;
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2010-05-29 02:11:55 +02:00
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int index = *pindex;
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2007-12-30 17:41:49 +01:00
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2010-12-29 09:21:51 +01:00
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if (index < count)
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{
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pattern = tree[index + 1];
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if (PATTERN_is_param(pattern))
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{
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index++;
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nparam = PATTERN_index(pattern);
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}
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2008-01-19 18:52:05 +01:00
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if (byref)
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{
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2010-05-29 02:11:55 +02:00
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int shift = 0;
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*byref = 0;
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while (index < count)
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2008-01-19 18:52:05 +01:00
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{
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2010-05-29 02:11:55 +02:00
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pattern = tree[index + 1];
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if (!PATTERN_is_param(pattern))
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break;
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index++;
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2008-01-19 18:52:05 +01:00
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*byref |= (uint64_t)PATTERN_index(pattern) << shift;
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shift += 16;
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}
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}
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2010-05-29 02:11:55 +02:00
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else
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{
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while (index < count)
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{
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pattern = tree[index + 1];
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if (!PATTERN_is_param(pattern))
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break;
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index++;
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}
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}
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*pindex = index;
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2008-01-19 18:52:05 +01:00
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}
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2007-12-30 17:41:49 +01:00
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2010-12-29 09:21:51 +01:00
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/*
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Gère le cas où on a codé un subr sans mettre de parenthèses
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=> nparam = 0
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*/
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2007-12-30 17:41:49 +01:00
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2010-12-29 09:21:51 +01:00
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return (short)nparam;
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2007-12-30 17:41:49 +01:00
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}
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2008-01-06 19:49:23 +01:00
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static void push_number(int index)
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2007-12-30 17:41:49 +01:00
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{
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2010-12-29 09:21:51 +01:00
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TRANS_NUMBER number;
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TRANS_DECL decl;
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if (TRANS_get_number(index, &number))
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THROW(E_SYNTAX);
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if (number.type == T_INTEGER)
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{
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CODE_push_number(number.ival);
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}
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2012-07-09 01:23:24 +02:00
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else
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{
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CLEAR(&decl);
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decl.type = TYPE_make(number.type, 0, 0);
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decl.index = NO_SYMBOL;
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decl.value = index;
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if (number.type == T_LONG)
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decl.lvalue = number.lval;
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CODE_push_const(CLASS_add_constant(JOB->class, &decl));
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}
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if (number.complex)
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CODE_push_complex();
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2007-12-30 17:41:49 +01:00
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}
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2008-01-06 19:49:23 +01:00
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static void push_string(int index, bool trans)
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2007-12-30 17:41:49 +01:00
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{
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2010-12-29 09:21:51 +01:00
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TRANS_DECL decl;
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SYMBOL *sym;
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int len;
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2007-12-30 17:41:49 +01:00
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2010-05-25 13:19:00 +02:00
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if (index == VOID_STRING)
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len = 0;
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else
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{
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sym = TABLE_get_symbol(JOB->class->string, index);
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len = sym->len;
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}
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2007-12-30 17:41:49 +01:00
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2010-12-29 09:21:51 +01:00
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if (len == 0)
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{
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CODE_push_void_string();
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}
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else if (len == 1 && !trans)
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{
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CODE_push_char(*(sym->name));
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}
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else
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{
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//CLEAR(&decl);
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if (trans)
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decl.type = TYPE_make(T_CSTRING, 0, 0);
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else
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decl.type = TYPE_make(T_STRING, 0, 0);
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decl.index = NO_SYMBOL;
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decl.value = index;
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CODE_push_const(CLASS_add_constant(JOB->class, &decl));
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}
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2007-12-30 17:41:49 +01:00
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}
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2009-09-20 19:32:12 +02:00
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void TRANS_class(int index)
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2007-12-30 17:41:49 +01:00
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{
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2010-12-29 09:21:51 +01:00
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const char *name;
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if (CLASS_exist_class(JOB->class, index))
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CODE_push_class(CLASS_add_class(JOB->class, index));
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else
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{
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name = TABLE_get_symbol_name(JOB->class->table, index);
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THROW("Unknown identifier: &1", name);
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}
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2007-12-30 17:41:49 +01:00
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}
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2013-08-15 16:16:17 +02:00
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static void trans_identifier(int index, bool point, PATTERN next)
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2007-12-30 17:41:49 +01:00
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{
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2010-12-29 09:21:51 +01:00
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CLASS_SYMBOL *sym = CLASS_get_symbol(JOB->class, index);
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bool is_static;
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bool is_func;
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int type;
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CONSTANT *constant;
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if (!TYPE_is_null(sym->local.type) && !point)
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{
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CODE_push_local(sym->local.value);
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2012-09-04 09:29:39 +02:00
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sym->local_used = TRUE;
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2010-12-29 09:21:51 +01:00
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}
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else if (!TYPE_is_null(sym->global.type) && !point)
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{
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type = TYPE_get_kind(sym->global.type);
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2012-09-04 09:29:39 +02:00
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if (!TYPE_is_public(sym->global.type))
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sym->global_used = TRUE;
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2010-12-29 09:21:51 +01:00
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if (type == TK_CONST)
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{
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if (PATTERN_is_point(next))
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goto __CLASS;
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constant = &JOB->class->constant[sym->global.value];
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type = TYPE_get_id(constant->type);
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2009-10-05 01:32:14 +02:00
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if (type == T_BOOLEAN)
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CODE_push_boolean(constant->value);
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else if (type == T_INTEGER)
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2010-12-29 09:21:51 +01:00
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CODE_push_number(constant->value);
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else
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CODE_push_const(sym->global.value);
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}
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else if (type == TK_EXTERN)
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{
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if (PATTERN_is_point(next))
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goto __CLASS;
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CODE_push_extern(sym->global.value);
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}
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/* That breaks some code if the property has the same name as a class!
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else if (type == TK_PROPERTY)
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{
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CODE_push_me(FALSE);
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CODE_push_unknown(CLASS_add_unknown(JOB->class, index));
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}*/
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else if (type == TK_EVENT || type == TK_LABEL || type == TK_PROPERTY)
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{
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goto __CLASS;
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}
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else /* TK_FUNCTION || TK_VARIABLE */
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{
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is_static = TYPE_is_static(sym->global.type);
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is_func = type == TK_FUNCTION;
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if (!is_static && TYPE_is_static(JOB->func->type))
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THROW("Dynamic symbols cannot be used in static function");
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if (is_func && PATTERN_is_point(next))
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goto __CLASS;
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else
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CODE_push_global(sym->global.value, is_static, is_func);
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}
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}
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else
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{
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/*index = CLASS_add_symbol(JOB->class, index);*/
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if (point)
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CODE_push_unknown(CLASS_add_unknown(JOB->class, index));
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/* Class must be declared now ! */
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else
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goto __CLASS;
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}
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return;
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2007-12-30 17:41:49 +01:00
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__CLASS:
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2009-09-20 19:32:12 +02:00
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TRANS_class(index);
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2007-12-30 17:41:49 +01:00
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}
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2008-01-19 18:52:05 +01:00
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static void trans_subr(int subr, short nparam)
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2007-12-30 17:41:49 +01:00
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{
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2010-12-29 09:21:51 +01:00
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SUBR_INFO *info = &COMP_subr_info[subr];
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2007-12-30 17:41:49 +01:00
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2008-01-19 02:36:38 +01:00
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if (subr == SUBR_VarPtr)
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{
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if (CODE_check_varptr())
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THROW("VarPtr() argument must be a dynamic, a static or a local variable");
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}
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if (nparam < info->min_param)
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THROW("Not enough arguments to &1()", info->name);
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else if (nparam > info->max_param)
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THROW("Too many arguments to &1()", info->name);
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2007-12-30 17:41:49 +01:00
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2010-12-29 09:21:51 +01:00
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CODE_subr(info->opcode, nparam, info->optype, FALSE /* output */, (info->max_param == info->min_param));
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2007-12-30 17:41:49 +01:00
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}
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2008-01-19 18:52:05 +01:00
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static void trans_operation(short op, short nparam, PATTERN previous)
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2007-12-30 17:41:49 +01:00
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{
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2010-12-29 09:21:51 +01:00
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COMP_INFO *info = &COMP_res_info[op];
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switch (info->value)
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{
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case OP_PT:
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if (nparam == 0)
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TRANS_use_with();
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else if (!PATTERN_is_identifier(previous))
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THROW(E_SYNTAX);
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break;
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case OP_EXCL:
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if (!PATTERN_is_identifier(previous))
|
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THROW(E_SYNTAX);
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break;
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case OP_LSQR:
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CODE_push_array(nparam);
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break;
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|
|
|
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case OP_RSQR:
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TRANS_subr(TS_SUBR_ARRAY, nparam);
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|
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break;
|
|
|
|
|
|
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|
case OP_COLON:
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|
|
TRANS_subr(TS_SUBR_COLLECTION, nparam);
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break;
|
|
|
|
|
|
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|
case OP_MINUS:
|
|
|
|
if (nparam == 1)
|
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|
|
CODE_op(C_NEG, 0, nparam, TRUE);
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else
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|
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CODE_op(info->code, info->subcode, nparam, TRUE);
|
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|
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break;
|
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|
|
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|
default:
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|
CODE_op(info->code, info->subcode, nparam, (info->flag != RSF_OPN));
|
|
|
|
}
|
2007-12-30 17:41:49 +01:00
|
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|
}
|
|
|
|
|
|
|
|
|
2008-01-19 18:52:05 +01:00
|
|
|
static void trans_call(short nparam, uint64_t byref)
|
|
|
|
{
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|
|
|
if (!byref)
|
|
|
|
{
|
|
|
|
CODE_call(nparam);
|
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|
|
return;
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|
|
|
}
|
|
|
|
|
|
|
|
CODE_call_byref(nparam, byref);
|
|
|
|
}
|
|
|
|
|
2010-05-22 20:02:34 +02:00
|
|
|
static void trans_expr_from_tree(TRANS_TREE *tree, int count)
|
2007-12-30 17:41:49 +01:00
|
|
|
{
|
2010-12-29 09:21:51 +01:00
|
|
|
int i, op;
|
|
|
|
short nparam;
|
|
|
|
PATTERN pattern, next_pattern, prev_pattern;
|
|
|
|
uint64_t byref;
|
2007-12-30 17:41:49 +01:00
|
|
|
|
2010-05-22 20:02:34 +02:00
|
|
|
count--;
|
2010-12-29 09:21:51 +01:00
|
|
|
pattern = NULL_PATTERN;
|
|
|
|
|
|
|
|
for (i = 0; i <= count; i++)
|
|
|
|
{
|
|
|
|
prev_pattern = pattern;
|
|
|
|
pattern = tree[i];
|
|
|
|
if (i < count)
|
|
|
|
next_pattern = tree[i + 1];
|
|
|
|
else
|
|
|
|
next_pattern = NULL_PATTERN;
|
|
|
|
|
|
|
|
if (PATTERN_is_number(pattern))
|
|
|
|
push_number(PATTERN_index(pattern));
|
|
|
|
|
|
|
|
else if (PATTERN_is_string(pattern))
|
|
|
|
push_string(PATTERN_index(pattern), FALSE);
|
|
|
|
|
|
|
|
else if (PATTERN_is_tstring(pattern))
|
|
|
|
push_string(PATTERN_index(pattern), TRUE);
|
|
|
|
|
|
|
|
else if (PATTERN_is_identifier(pattern))
|
2013-08-15 16:16:17 +02:00
|
|
|
trans_identifier(PATTERN_index(pattern), PATTERN_is_point(pattern), next_pattern);
|
2010-12-29 09:21:51 +01:00
|
|
|
|
|
|
|
else if (PATTERN_is_class(pattern))
|
|
|
|
TRANS_class(PATTERN_index(pattern));
|
|
|
|
|
|
|
|
else if (PATTERN_is_subr(pattern))
|
|
|
|
{
|
|
|
|
nparam = get_nparam(tree, count, &i, NULL);
|
|
|
|
trans_subr(PATTERN_index(pattern), nparam);
|
|
|
|
}
|
|
|
|
|
|
|
|
else if (PATTERN_is_reserved(pattern))
|
|
|
|
{
|
|
|
|
if (PATTERN_is(pattern, RS_TRUE))
|
|
|
|
{
|
|
|
|
CODE_push_boolean(TRUE);
|
|
|
|
}
|
|
|
|
else if (PATTERN_is(pattern, RS_FALSE))
|
|
|
|
{
|
|
|
|
CODE_push_boolean(FALSE);
|
|
|
|
}
|
|
|
|
else if (PATTERN_is(pattern, RS_NULL))
|
|
|
|
{
|
|
|
|
CODE_push_null();
|
|
|
|
}
|
|
|
|
else if (PATTERN_is(pattern, RS_ME))
|
|
|
|
{
|
|
|
|
/*if (FUNCTION_is_static(JOB->func))
|
|
|
|
THROW("ME cannot be used in a static function");*/
|
|
|
|
|
|
|
|
CODE_push_me(FALSE);
|
|
|
|
}
|
|
|
|
else if (PATTERN_is(pattern, RS_SUPER))
|
|
|
|
{
|
|
|
|
/*if (FUNCTION_is_static(JOB->func))
|
|
|
|
THROW("ME cannot be used in a static function");*/
|
|
|
|
|
|
|
|
CODE_push_super(FALSE);
|
|
|
|
}
|
|
|
|
else if (PATTERN_is(pattern, RS_LAST))
|
|
|
|
{
|
|
|
|
CODE_push_last();
|
|
|
|
}
|
|
|
|
else if (PATTERN_is(pattern, RS_AT))
|
|
|
|
{
|
2008-01-19 21:59:09 +01:00
|
|
|
if (!CODE_popify_last())
|
|
|
|
THROW("This expression cannot be passed by reference");
|
2010-12-29 09:21:51 +01:00
|
|
|
}
|
|
|
|
else if (PATTERN_is(pattern, RS_COMMA))
|
|
|
|
{
|
|
|
|
CODE_drop();
|
|
|
|
}
|
|
|
|
else if (PATTERN_is(pattern, RS_ERROR))
|
|
|
|
{
|
|
|
|
TRANS_subr(TS_SUBR_ERROR, 0);
|
|
|
|
}
|
|
|
|
else if (PATTERN_is(pattern, RS_OPTIONAL))
|
|
|
|
{
|
|
|
|
CODE_push_void();
|
|
|
|
}
|
2012-01-31 03:33:01 +01:00
|
|
|
else if (PATTERN_is(pattern, RS_PINF))
|
|
|
|
{
|
|
|
|
CODE_push_inf(FALSE);
|
|
|
|
}
|
|
|
|
else if (PATTERN_is(pattern, RS_MINF))
|
|
|
|
{
|
|
|
|
CODE_push_inf(TRUE);
|
|
|
|
}
|
2010-12-29 09:21:51 +01:00
|
|
|
else
|
|
|
|
{
|
|
|
|
op = PATTERN_index(pattern);
|
|
|
|
if (op == RS_LBRA)
|
|
|
|
{
|
|
|
|
nparam = get_nparam(tree, count, &i, &byref);
|
|
|
|
trans_call(nparam, byref);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
nparam = get_nparam(tree, count, &i, NULL);
|
|
|
|
trans_operation((short)op, nparam, prev_pattern);
|
|
|
|
}
|
|
|
|
}
|
2007-12-30 17:41:49 +01:00
|
|
|
}
|
2010-12-29 09:21:51 +01:00
|
|
|
}
|
2007-12-30 17:41:49 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-07-08 21:57:50 +02:00
|
|
|
void TRANS_new(void)
|
2007-12-30 17:41:49 +01:00
|
|
|
{
|
2010-12-29 09:21:51 +01:00
|
|
|
int index;
|
|
|
|
int i, nparam;
|
|
|
|
bool array = FALSE;
|
|
|
|
bool event = FALSE;
|
2013-01-06 17:13:31 +01:00
|
|
|
//bool collection = FALSE;
|
2010-12-29 09:21:51 +01:00
|
|
|
bool check_param = FALSE;
|
|
|
|
|
|
|
|
nparam = 0;
|
|
|
|
|
|
|
|
if (PATTERN_is_class(*JOB->current))
|
|
|
|
{
|
|
|
|
index = CLASS_add_class(JOB->class, PATTERN_index(*JOB->current));
|
|
|
|
if (PATTERN_is(JOB->current[1], RS_LSQR))
|
|
|
|
index = CLASS_get_array_class(JOB->class, T_OBJECT, index);
|
|
|
|
|
|
|
|
CODE_push_class(index);
|
|
|
|
nparam = 1;
|
|
|
|
}
|
|
|
|
else if (PATTERN_is_type(*JOB->current))
|
|
|
|
{
|
|
|
|
if (!PATTERN_is(JOB->current[1], RS_LSQR))
|
2011-03-13 14:41:57 +01:00
|
|
|
THROW("Cannot instantiate native types");
|
2010-12-29 09:21:51 +01:00
|
|
|
|
|
|
|
//CODE_push_number(RES_get_type(PATTERN_index(*JOB->current)));
|
|
|
|
CODE_push_class(CLASS_get_array_class(JOB->class, RES_get_type(PATTERN_index(*JOB->current)), -1));
|
|
|
|
nparam = 1;
|
|
|
|
}
|
|
|
|
else if (PATTERN_is(*JOB->current, RS_LBRA))
|
|
|
|
{
|
|
|
|
/* NEW ("Class", ...) */
|
|
|
|
nparam = 0;
|
|
|
|
JOB->current--;
|
|
|
|
check_param = TRUE;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
THROW(E_SYNTAX);
|
|
|
|
|
|
|
|
JOB->current++;
|
|
|
|
|
|
|
|
if (TRANS_is(RS_LSQR))
|
|
|
|
{
|
2013-01-06 17:13:31 +01:00
|
|
|
//if (collection)
|
|
|
|
// THROW("Array declaration is forbidden with typed collection");
|
2010-12-29 09:21:51 +01:00
|
|
|
|
|
|
|
if (!PATTERN_is(*JOB->current, RS_RSQR))
|
|
|
|
{
|
|
|
|
for (i = 0;; i++)
|
|
|
|
{
|
|
|
|
if (i > MAX_ARRAY_DIM)
|
|
|
|
THROW("Too many dimensions");
|
|
|
|
|
|
|
|
TRANS_expression(FALSE);
|
|
|
|
nparam++;
|
|
|
|
|
|
|
|
if (PATTERN_is(*JOB->current, RS_RSQR))
|
|
|
|
break;
|
|
|
|
|
|
|
|
if (!PATTERN_is(*JOB->current, RS_COMMA))
|
|
|
|
THROW(E_MISSING, "']'");
|
|
|
|
|
|
|
|
JOB->current++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
JOB->current++;
|
|
|
|
array = TRUE;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (TRANS_is(RS_LBRA))
|
|
|
|
{
|
|
|
|
for(;;)
|
|
|
|
{
|
|
|
|
if (nparam > MAX_PARAM_FUNC)
|
|
|
|
THROW("Too many arguments");
|
|
|
|
|
|
|
|
if (PATTERN_is(*JOB->current, RS_AT) || PATTERN_is(*JOB->current, RS_BYREF))
|
|
|
|
THROW("NEW cannot have arguments passed by reference");
|
|
|
|
|
|
|
|
TRANS_expression(FALSE);
|
|
|
|
nparam++;
|
|
|
|
|
|
|
|
if (PATTERN_is(*JOB->current, RS_RBRA))
|
|
|
|
break;
|
|
|
|
|
|
|
|
if (!PATTERN_is(*JOB->current, RS_COMMA))
|
|
|
|
THROW(E_MISSING, "')'");
|
|
|
|
|
|
|
|
JOB->current++;
|
|
|
|
}
|
|
|
|
|
|
|
|
JOB->current++;
|
|
|
|
|
|
|
|
if (check_param && nparam == 0)
|
|
|
|
THROW("Not enough argument to New()");
|
|
|
|
}
|
|
|
|
|
|
|
|
if (TRANS_is(RS_AS))
|
|
|
|
{
|
|
|
|
TRANS_expression(FALSE);
|
|
|
|
nparam++;
|
|
|
|
event = TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
CODE_call(nparam, FALSE);
|
|
|
|
CODE_drop();
|
|
|
|
*/
|
|
|
|
}
|
|
|
|
|
2013-01-06 17:13:31 +01:00
|
|
|
//if (collection)
|
|
|
|
// CODE_new(nparam, TRUE, event);
|
|
|
|
//else
|
|
|
|
CODE_new(nparam, array, event);
|
2007-12-30 17:41:49 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-07-08 21:57:50 +02:00
|
|
|
void TRANS_expression(bool check_statement)
|
2007-12-30 17:41:49 +01:00
|
|
|
{
|
2010-12-29 09:21:51 +01:00
|
|
|
TRANS_TREE *tree;
|
2010-05-22 20:02:34 +02:00
|
|
|
int tree_length;
|
2007-12-30 17:41:49 +01:00
|
|
|
|
2009-07-12 23:49:13 +02:00
|
|
|
if (TRANS_is(RS_NEW))
|
|
|
|
{
|
|
|
|
TRANS_new();
|
|
|
|
return;
|
|
|
|
}
|
2009-09-20 19:32:12 +02:00
|
|
|
else if (TRANS_is(RS_READ))
|
|
|
|
{
|
|
|
|
TRANS_read();
|
|
|
|
return;
|
|
|
|
}
|
2009-07-12 23:49:13 +02:00
|
|
|
|
2010-12-29 09:21:51 +01:00
|
|
|
TRANS_tree(check_statement, &tree, &tree_length);
|
2007-12-30 17:41:49 +01:00
|
|
|
|
2010-12-29 09:21:51 +01:00
|
|
|
trans_expr_from_tree(tree, tree_length);
|
2007-12-30 17:41:49 +01:00
|
|
|
|
2013-03-30 00:33:01 +01:00
|
|
|
FREE(&tree);
|
2007-12-30 17:41:49 +01:00
|
|
|
|
2010-12-29 09:21:51 +01:00
|
|
|
if (check_statement)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
if (!CODE_check_statement_last())
|
|
|
|
THROW("This expression cannot be a statement");
|
|
|
|
*/
|
2007-12-30 17:41:49 +01:00
|
|
|
|
2010-12-29 09:21:51 +01:00
|
|
|
CODE_drop();
|
|
|
|
}
|
2007-12-30 17:41:49 +01:00
|
|
|
}
|
|
|
|
|
2009-07-08 21:57:50 +02:00
|
|
|
void TRANS_ignore_expression()
|
2008-03-17 15:54:17 +01:00
|
|
|
{
|
2010-05-22 20:02:34 +02:00
|
|
|
TRANS_tree(FALSE, NULL, NULL);
|
2008-03-17 15:54:17 +01:00
|
|
|
}
|
|
|
|
|
2009-09-20 19:32:12 +02:00
|
|
|
TYPE TRANS_variable_get_type()
|
|
|
|
{
|
2010-05-28 08:24:14 +02:00
|
|
|
TYPE type = TYPE_make(T_VOID, 0, 0);
|
2010-12-29 09:21:51 +01:00
|
|
|
TRANS_TREE *tree;
|
2010-05-22 20:02:34 +02:00
|
|
|
int count;
|
2009-09-20 19:32:12 +02:00
|
|
|
int index;
|
|
|
|
CLASS_SYMBOL *sym;
|
|
|
|
|
2010-05-22 20:02:34 +02:00
|
|
|
TRANS_tree(FALSE, &tree, &count);
|
|
|
|
|
|
|
|
if (count == 1 && PATTERN_is_identifier(*tree))
|
2009-09-20 19:32:12 +02:00
|
|
|
{
|
|
|
|
index = PATTERN_index(*tree);
|
|
|
|
sym = CLASS_get_symbol(JOB->class, index);
|
|
|
|
|
|
|
|
if (!TYPE_is_null(sym->local.type))
|
|
|
|
{
|
|
|
|
return sym->local.type;
|
|
|
|
}
|
|
|
|
else if (!TYPE_is_null(sym->global.type))
|
|
|
|
{
|
|
|
|
int type = TYPE_get_kind(sym->global.type);
|
|
|
|
if (type == TK_VARIABLE)
|
|
|
|
return sym->global.type;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-03-30 00:33:01 +01:00
|
|
|
FREE(&tree);
|
2009-09-20 19:32:12 +02:00
|
|
|
|
|
|
|
return type;
|
|
|
|
}
|
|
|
|
|
2007-12-30 17:41:49 +01:00
|
|
|
|
2009-07-08 21:57:50 +02:00
|
|
|
void TRANS_reference(void)
|
2007-12-30 17:41:49 +01:00
|
|
|
{
|
2010-12-29 09:21:51 +01:00
|
|
|
TRANS_expression(FALSE);
|
2007-12-30 17:41:49 +01:00
|
|
|
|
2010-12-29 09:21:51 +01:00
|
|
|
if (!CODE_popify_last())
|
|
|
|
THROW("Invalid assignment");
|
2007-12-30 17:41:49 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-07-08 21:57:50 +02:00
|
|
|
bool TRANS_affectation(bool dup)
|
2007-12-30 17:41:49 +01:00
|
|
|
{
|
2010-12-29 09:21:51 +01:00
|
|
|
static TRANS_STATEMENT statement[] = {
|
|
|
|
//{ RS_NEW, TRANS_new },
|
|
|
|
{ RS_OPEN, TRANS_open },
|
|
|
|
{ RS_SHELL, TRANS_shell },
|
|
|
|
{ RS_EXEC, TRANS_exec },
|
|
|
|
{ RS_RAISE, TRANS_raise },
|
|
|
|
{ RS_PIPE, TRANS_pipe },
|
|
|
|
{ RS_LOCK, TRANS_lock },
|
|
|
|
{ RS_MEMORY, TRANS_memory },
|
2009-09-20 19:32:12 +02:00
|
|
|
//{ RS_READ, TRANS_read },
|
2010-12-29 09:21:51 +01:00
|
|
|
{ RS_NONE, NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
TRANS_STATEMENT *st;
|
|
|
|
PATTERN *look = JOB->current;
|
|
|
|
PATTERN *left, *expr, *after;
|
|
|
|
int niv = 0;
|
|
|
|
bool equal = FALSE;
|
|
|
|
bool stat = FALSE;
|
|
|
|
int op;
|
|
|
|
|
|
|
|
for(;;)
|
|
|
|
{
|
|
|
|
if (PATTERN_is_newline(*look)) // || PATTERN_is_end(*look))
|
|
|
|
break;
|
|
|
|
|
|
|
|
if (PATTERN_is(*look, RS_LBRA) || PATTERN_is(*look, RS_LSQR))
|
|
|
|
{
|
|
|
|
niv++;
|
|
|
|
}
|
|
|
|
else if (PATTERN_is(*look, RS_RBRA) || PATTERN_is(*look, RS_RSQR))
|
|
|
|
{
|
|
|
|
if (niv > 0)
|
|
|
|
niv--;
|
|
|
|
}
|
|
|
|
else if (niv == 0)
|
|
|
|
{
|
|
|
|
if (PATTERN_is(*look, RS_EQUAL))
|
|
|
|
{
|
|
|
|
equal = TRUE;
|
|
|
|
op = RS_NONE;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
else if (PATTERN_is_reserved(*look) && RES_is_assignment(PATTERN_index(*look)))
|
|
|
|
{
|
|
|
|
equal = TRUE;
|
|
|
|
op = RES_get_assignment_operator(PATTERN_index(*look));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
look++;
|
|
|
|
}
|
|
|
|
|
2013-05-04 00:45:11 +02:00
|
|
|
if (!equal || look == JOB->current)
|
2010-12-29 09:21:51 +01:00
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
left = JOB->current;
|
|
|
|
*look++ = PATTERN_make(RT_NEWLINE, 0);
|
|
|
|
expr = look;
|
|
|
|
|
|
|
|
JOB->current = expr;
|
|
|
|
|
|
|
|
if (op == RS_NONE && (PATTERN_is_reserved(*JOB->current)))
|
|
|
|
{
|
|
|
|
if (TRANS_is(RS_NEW))
|
|
|
|
{
|
|
|
|
TRANS_in_affectation++;
|
|
|
|
TRANS_new();
|
|
|
|
TRANS_in_affectation--;
|
|
|
|
stat = TRUE;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
for (st = statement; st->id; st++)
|
|
|
|
{
|
|
|
|
if (TRANS_is(st->id))
|
|
|
|
{
|
|
|
|
TRANS_in_affectation++;
|
|
|
|
(*st->func)();
|
|
|
|
TRANS_in_affectation--;
|
|
|
|
stat = TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!stat)
|
|
|
|
{
|
|
|
|
if (op != RS_NONE)
|
|
|
|
{
|
|
|
|
JOB->current = left;
|
|
|
|
TRANS_expression(FALSE);
|
|
|
|
}
|
|
|
|
|
|
|
|
JOB->current = expr;
|
|
|
|
TRANS_expression(FALSE);
|
|
|
|
after = JOB->current;
|
|
|
|
|
|
|
|
if (op != RS_NONE)
|
2012-09-17 13:13:32 +02:00
|
|
|
{
|
|
|
|
/*if (op == RS_AMP)
|
|
|
|
CODE_string_add();*/
|
2010-12-29 09:21:51 +01:00
|
|
|
trans_operation(op, 2, NULL_PATTERN);
|
2012-09-17 13:13:32 +02:00
|
|
|
}
|
2010-12-29 09:21:51 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
after = JOB->current;
|
|
|
|
|
|
|
|
if (dup)
|
|
|
|
CODE_dup();
|
|
|
|
|
|
|
|
JOB->current = left;
|
|
|
|
TRANS_reference();
|
|
|
|
|
|
|
|
JOB->current = after;
|
|
|
|
|
|
|
|
return TRUE;
|
2007-12-30 17:41:49 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|