64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
#ifndef _BASIC_H_
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#define _BASIC_H_
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#define BASIC_OPTP_ADD 1
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#define BASIC_OPTP_SUB 2
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#define BASIC_OPTP_MUL 3
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#define BASIC_OPTP_DIV 4
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#define BASIC_OPTP_MOD 5
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#define BASIC_OPTP_EQL 6
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#define BASIC_OPTP_ASN 7
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#define BASIC_LVAL_EXPR 0
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#define BASIC_LVAL_VAR 1
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#define BASIC_LVAL_CONST 2
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#define BASIC_RVAL_EXPR 3
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#define BASIC_RVAL_VAR 4
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#define BASIC_RVAL_CONST 5
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#define BASIC_FOUND_LVAL 0x0001
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#define BASIC_FOUND_RVAL 0x0002
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#define BASIC_ERR_SYNTAX_MULTIPLE_LVALUES 1
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#define BASIC_ERR_SYNTAX_TOKEN_LENGTH 2
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#define BASIC_ERR_SYNTAX_GENERAL 3
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#define BASIC_ERR_SYNTAX_MULTIPLE_RVALUES 4
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#define BASIC_ERR_INVALID_ARGUMENTS 5
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#define BASIC_ERR_INTERNAL_NULLPOINTER 6
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#define BASIC_ERR_INTERNAL_MEMORY 7
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#define BASIC_ERR_INTERNAL_UNDEFINED_BEHAVIOR 8
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#define BASIC_ERR_INTERNAL_UNIMPLEMENTED 9
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#define BASIC_ERR_MATH_DBZ 10
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#define BASIC_TOKENIZER_TOKENS " +-/%*="
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#define BASIC_TOKENIZER_MAX_LENGTH 512
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#define BASIC_VARNAME_MAX_LENGTH 16
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struct basic_expr {
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char type;
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char lval_type;
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char rval_type;
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char pad;
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void *lval;
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void *rval;
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};
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#define BASIC_VARFLAG_INIT 1
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#define BASIC_VARFLAG_TINT 2
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#define BASIC_VARFLAG_TSTR 4
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struct basic_variable {
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char *name;
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char flags;
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void *value;
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};
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#define BASIC_CONST_TRUE 1
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#define BASIC_CONST_FALSE 0
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extern int basic_errno;
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void run_basic(void);
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#endif /* _BASIC_H_ */
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