X-Git-Url: https://secure.softndesign.org/git/?a=blobdiff_plain;f=parser.h;h=7d486a330c764bc3aecd2bbe32e01eb79a85b5bf;hb=c04d8fdf9259e5e303c8b30120649aafd68a5a52;hp=46500073105fd206140e36f2c53979a0309f69d5;hpb=bc97a98979c3378e4f0e962b9c2667fc27239a4d;p=calc.git

diff --git a/parser.h b/parser.h
index 4650007..7d486a3 100644
--- a/parser.h
+++ b/parser.h
@@ -4,7 +4,7 @@
 /* function type */
 
 typedef enum {
-    Val = 0,
+    Val = 0, Set,
     Add, Sub,
     Mul, Div, Pow,
     Sqr,
@@ -23,7 +23,7 @@ typedef struct _keyword_t {
 
 /* calculus element type */
 
-#define MAX_OPERANDS 2
+#define MAX_OPERANDS 10
 typedef struct _element_t {
     func_t func;
     int nbops;
@@ -31,9 +31,11 @@ typedef struct _element_t {
     float value;
 } element_t;
 
+#define ERROR_OP ((element_t *)(-1))
+
 /* parser function */
 
-element_t *parser (char *str);
+element_t *parser (char *str, char **next);
 
 void print_element (element_t *root, int level);