tok.h
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1 #ifndef TOK_H
2 #define TOK_H
3 /****************************************
4 * Computer Algebra System SINGULAR *
5 ****************************************/
6 /*
7 * ABSTRACT: tokens, types for interpreter; general macros
8 */
9 
10 #ifndef UMINUS
11 #include "kernel/mod2.h"
12 #include "Singular/grammar.h"
13 #endif
14 
17 
18 #if defined(__cplusplus)
19 extern int yyparse(void);
20 #endif
21 
22 /* the follwing defines for infix operators should not be changed: *
23 * grammar.y does not use the symbolic names *
24 * scanner.l uses the identies for some optimzations */
25 #define LOGIC_OP '&'
26 #define MULDIV_OP '/'
27 #define COMP_OP '<'
28 
29 #define COMMAND UMINUS+2 /* in tok.h */
30 #define ANY_TYPE UMINUS+3
31 #define IDHDL UMINUS+4
32 
33 enum {
34  ALIAS_CMD = UMINUS + 15,
195  UNLOAD_CMD, /* unused*/
206  /* start system var section: VECHO */
215  /* end system var section: VPRINTLEVEL */
216 
217  MAX_TOK /* must be the last, biggest token number */
218 };
219 
220 #define NONE END_RING
221 #define UNKNOWN 0
222 
223 #endif
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#define EXTERN_VAR
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int yyparse(void)
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EXTERN_VAR int yylineno
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EXTERN_VAR char my_yylinebuf[80]
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