X-Git-Url: https://secure.softndesign.org/git/?a=blobdiff_plain;f=parser.h;h=0b9233fa406a25834e6cb93c8acea5cc505f7272;hb=a67f1cfd7bb89dfd00cdc099651b81456ca4c327;hp=ed17452867d4a1014d943f066b2cf685c8408176;hpb=f29271085277e2cfe75796b4156c8339a901211d;p=calc.git diff --git a/parser.h b/parser.h index ed17452..0b9233f 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, + 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, Code, Print, + Prog, Call, List, Edit, Del } func_t; /* keyword type */ @@ -19,29 +31,57 @@ 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; + char *string; } element_t; #define ERROR_OP ((element_t *)(-1)) +/* workspace type */ + +typedef struct _workspace_t { + int id; + double answer; + double *storage; + int storage_size; + element_t *root; + char *string; +} 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); +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__ */