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fix error managment
[calc.git]
/
parser.h
diff --git
a/parser.h
b/parser.h
index ed17452867d4a1014d943f066b2cf685c8408176..80fbd984ca68fe213910df0496f3a7d112908f74 100644
(file)
--- a/
parser.h
+++ b/
parser.h
@@
-1,15
+1,24
@@
#ifndef __PARSER_H__
#define __PARSER_H__
#ifndef __PARSER_H__
#define __PARSER_H__
+/* global variables */
+
+extern double answer;
+
/* function type */
typedef enum {
/* function type */
typedef enum {
- Val = 0,
+ Val = 0,
Sig,
Add, Sub,
Add, Sub,
- Mul, Div, Pow,
- Sqr,
- Cos, Sin, Atn,
- Log, Exp
+ Mul, Div, Mod,
+ Pow, Sqr,
+ Cos, Sin, Atan,
+ Log, Exp,
+ Store, Recall, Disp,
+ Quit, Help,
+ Ans, E, Pi,
+ Equal, Diff, Ge, Le, Gt, Lt,
+ And, Or, Not
} func_t;
/* keyword type */
} func_t;
/* keyword type */
@@
-19,7
+28,7
@@
typedef struct _keyword_t {
func_t func;
int nbops;
int offset;
func_t func;
int nbops;
int offset;
-
in
t prio;
+
floa
t prio;
} keyword_t;
/* calculus element type */
} keyword_t;
/* calculus element type */
@@
-29,7
+38,7
@@
typedef struct _element_t {
func_t func;
int nbops;
struct _element_t *ops[MAX_OPERANDS];
func_t func;
int nbops;
struct _element_t *ops[MAX_OPERANDS];
-
float
value;
+
double
value;
int prio;
} element_t;
int prio;
} element_t;
@@
-37,11
+46,13
@@
typedef struct _element_t {
/* parser function */
/* parser function */
+void delelement (element_t *root);
+
element_t *parser (char *str, char **next, int prio);
void print_element (element_t *root, int level);
element_t *parser (char *str, char **next, int prio);
void print_element (element_t *root, int level);
-double evaluate_element (element_t *root);
+double evaluate_element (element_t *root
, char mask
);
#endif /* __PARSER_H__ */
#endif /* __PARSER_H__ */