X-Git-Url: https://secure.softndesign.org/git/?a=blobdiff_plain;f=parser.h;h=629b1b49a83272210f7faa1af41a7668506f54c9;hb=5fe6254a8974dbe1fa199b5e3cc010af9bee87b3;hp=46500073105fd206140e36f2c53979a0309f69d5;hpb=bc97a98979c3378e4f0e962b9c2667fc27239a4d;p=calc.git

diff --git a/parser.h b/parser.h
index 4650007..629b1b4 100644
--- a/parser.h
+++ b/parser.h
@@ -4,12 +4,13 @@
 /* function type */
 
 typedef enum {
-    Val = 0,
+    Val = 0, Sig,
     Add, Sub,
-    Mul, Div, Pow,
-    Sqr,
+    Mul, Div, Mod,
+    Pow, Sqr,
     Cos, Sin, Atn,
-    Log, Exp
+    Log, Exp,
+    Qui, Hel
 } func_t;
 
 /* keyword type */
@@ -19,24 +20,32 @@ typedef struct _keyword_t {
     func_t func;
     int nbops;
     int offset;
+    int prio;
 } keyword_t;
 
 /* calculus element type */
 
-#define MAX_OPERANDS 2
+#define MAX_OPERANDS 10
 typedef struct _element_t {
     func_t func;
     int nbops;
     struct _element_t *ops[MAX_OPERANDS];
-    float value;
+    double value;
+    int prio;
 } element_t;
 
+#define ERROR_OP ((element_t *)(-1))
+
 /* parser function */
 
-element_t *parser (char *str);
+void delelement (element_t *root);
+
+element_t *parser (char *str, char **next, int prio);
 
 void print_element (element_t *root, int level);
 
+double evaluate_element (element_t *root, char mask);
+
 #endif /* __PARSER_H__ */
 
 /* vim: set ts=4 sw=4 et: */