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Large Pack of OldSkool DOS MOD Trackers
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goattracker_2.68.zip
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asm
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expr.h
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C/C++ Source or Header
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2008-04-01
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58 lines
#ifndef ALREADY_INCLUDED_EXPR
#define ALREADY_INCLUDED_EXPR
/*
* Copyright (c) 2005 Magnus Lind.
*
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from
* the use of this software.
*
* Permission is granted to anyone to use this software, alter it and re-
* distribute it freely for any non-commercial, non-profit purpose subject to
* the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software in a
* product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not
* be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any distribution.
*
* 4. The names of this software and/or it's copyright holders may not be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
*/
#include "int.h"
#include "asmtab.h"
union expr_type
{
i32 number;
const char *symref;
struct expr *arg1;
};
struct expr
{
union expr_type type;
struct expr *expr_arg2;
i16 expr_op;
};
void expr_init(void);
void expr_free(void);
struct expr *new_expr_op1(i16 op, struct expr *arg);
struct expr *new_expr_op2(i16 op, struct expr *arg1, struct expr *arg2);
struct expr *new_expr_symref(const char *symbol);
struct expr *new_expr_number(i32 number);
void expr_dump(int level, struct expr *e);
#endif