X-Git-Url: https://secure.softndesign.org/git/?a=blobdiff_plain;f=parser.h;h=4907c67699a74dc69f5655065e5165df7ae8b072;hb=c7cbb833c65805634f6e9832b49e4a4680a4a4a6;hp=767fcf08bdc848c6005157f22368744e5b9e7ea7;hpb=ef37d966deba005de9def3ef3301634fe918c793;p=calc.git diff --git a/parser.h b/parser.h index 767fcf0..4907c67 100644 --- a/parser.h +++ b/parser.h @@ -1,15 +1,27 @@ #ifndef __PARSER_H__ #define __PARSER_H__ +/* global variables */ + +extern double answer; + /* function type */ typedef enum { - Val = 0, Set, + Val = 0, Sig, Add, Sub, - Mul, Div, Pow, - Sqr, - Cos, Sin, Atn, - Log, Exp + Mul, Div, Mod, + Pow, Sqr, + Cos, Sin, Tan, Acos, Asin, Atan, + Log, Exp, + Abs, Ceil, Floor, + Store, Recall, Inc, Dec, Disp, Mem, Clear, + Quit, Help, + Ans, E, Pi, + Equal, Diff, Ge, Le, Gt, Lt, + And, Or, Not, + Cond, While, Prog, Print, + Prog, Call, List, Edit, Del } func_t; /* keyword type */ @@ -19,28 +31,55 @@ typedef struct _keyword_t { func_t func; int nbops; int offset; - int prio; + float prio; } keyword_t; /* calculus element type */ -#define MAX_OPERANDS 10 typedef struct _element_t { func_t func; int nbops; - struct _element_t *ops[MAX_OPERANDS]; - float value; + struct _element_t **ops; + double value; int prio; + int hidden; } element_t; #define ERROR_OP ((element_t *)(-1)) +/* workspace type */ + +typedef struct _workspace_t { + int id; + double answer; + double *storage; + element_t *root; +} workspace_t; + /* parser function */ +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); + +/* completion functions */ + +char **generate_completion_list (); + +void free_completion_list (char **list); + +/* print function */ + +void set_format (char *prompt, int precision); + +void free_format (); + +double print (double value); + #endif /* __PARSER_H__ */ /* vim: set ts=4 sw=4 et: */