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/*
* cook - file construction tool
* Copyright (C) 1997, 1998 Peter Miller;
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
*
* MANIFEST: functions to manipulate functions
*/
#include <ac/stdio.h>
#include <function.h>
#include <id.h>
#include <id/function.h>
#include <id/global.h>
#include <opcode/label.h>
#include <opcode/list.h>
#include <opcode/postlude.h>
#include <opcode/prelude.h>
#include <option.h>
#include <stmt.h>
#include <symtab.h>
#include <trace.h>
int
function_definition(name, body)
string_ty *name;
stmt_ty *body;
{
stmt_result_ty status;
opcode_list_ty *olp;
/*
* generate the opcode stream
*/
trace(("function_definition(name = \"%s\")\n{\n"/*}*/, name->str_text));
olp = opcode_list_new();
olp->return_label = opcode_label_new();
opcode_list_append(olp, opcode_prelude_new());
status = stmt_code_generate(body, olp);
if (status != STMT_OK)
{
opcode_label_delete(olp->return_label);
opcode_list_delete(olp);
trace((/*{*/"}\n"));
return 0;
}
opcode_label_define(olp->return_label, olp->length);
opcode_list_append(olp, opcode_postlude_new());
opcode_label_delete(olp->return_label);
olp->return_label = 0;
trace(("disassemble\n"));
if (option_test(OPTION_DISASSEMBLE))
{
printf("\n%s:\n", name->str_text);
opcode_list_disassemble(olp);
}
/*
* remember the function
*/
trace(("remember\n"));
symtab_assign(id_global_stp(), name, id_function_new(olp));
trace((/*{*/"}\n"));
return 1;
}
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