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Diffstat (limited to 'externals/extra/0.43.3/0.43.2/expr~/vexp.h')
| -rw-r--r-- | externals/extra/0.43.3/0.43.2/expr~/vexp.h | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/externals/extra/0.43.3/0.43.2/expr~/vexp.h b/externals/extra/0.43.3/0.43.2/expr~/vexp.h new file mode 100644 index 00000000..df5547ea --- /dev/null +++ b/externals/extra/0.43.3/0.43.2/expr~/vexp.h @@ -0,0 +1,248 @@ +/* + * jMax + * Copyright (C) 1994, 1995, 1998, 1999 by IRCAM-Centre Georges Pompidou, Paris, France. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * See file LICENSE for further informations on licensing terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Based on Max/ISPW by Miller Puckette. + * + * Authors: Maurizio De Cecco, Francois Dechelle, Enzo Maggi, Norbert Schnell. + * + */ + +/* "expr" was written by Shahrokh Yadegari c. 1989. -msp */ +/* "expr~" and "fexpr~" conversion by Shahrokh Yadegari c. 1999,2000 */ + +#define MSP +#ifdef PD +#undef MSP +#endif + +#ifdef PD +#include "m_pd.h" +#else /* MSP */ +#include "ext.h" +#include "z_dsp.h" +#endif + +#include "fts_to_pd.h" +/* This is put in fts_to_pd.h + +#ifdef MSP +#define t_atom Atom +#define t_symbol Symbol +#define pd_new(x) newobject(x); +#define t_outlet void +#endif +*/ + +/* + * Currently the maximum number of variables (inlets) that are supported + * is 10. + */ + +#define MAX_VARS 9 +#define MINODES 10 /* was 200 */ + +/* terminal defines */ + +/* + * operations + * (x<<16|y) x defines the level of precedence, + * the lower the number the lower the precedence + * separators are defines as operators just for convenience + */ + +#define OP_SEMI ((long)(1<<16|1)) /* ; */ +#define OP_COMMA ((long)(2<<16|2)) /* , */ +#define OP_LOR ((long)(3<<16|3)) /* || */ +#define OP_LAND ((long)(4<<16|4)) /* && */ +#define OP_OR ((long)(5<<16|5)) /* | */ +#define OP_XOR ((long)(6<<16|6)) /* ^ */ +#define OP_AND ((long)(7<<16|7)) /* & */ +#define OP_NE ((long)(8<<16|8)) /* != */ +#define OP_EQ ((long)(8<<16|9)) /* == */ +#define OP_GE ((long)(9<<16|10)) /* >= */ +#define OP_GT ((long)(9<<16|11)) /* > */ +#define OP_LE ((long)(9<<16|12)) /* <= */ +#define OP_LT ((long)(9<<16|13)) /* < */ +#define OP_SR ((long)(10<<16|14)) /* >> */ +#define OP_SL ((long)(10<<16|15)) /* << */ +#define OP_SUB ((long)(11<<16|16)) /* - */ +#define OP_ADD ((long)(11<<16|17)) /* + */ +#define OP_MOD ((long)(12<<16|18)) /* % */ +#define OP_DIV ((long)(12<<16|19)) /* / */ +#define OP_MUL ((long)(12<<16|20)) /* * */ +#define OP_UMINUS ((long)(13<<16|21)) /* - unary minus */ +#define OP_NEG ((long)(13<<16|22)) /* ~ one complement */ +#define OP_NOT ((long)(13<<16|23)) /* ! */ +#define OP_RB ((long)(14<<16|24)) /* ] */ +#define OP_LB ((long)(14<<16|25)) /* [ */ +#define OP_RP ((long)(14<<16|26)) /* ) */ +#define OP_LP ((long)(14<<16|27)) /* ( */ +#define OP_STORE ((long)(15<<16|28)) /* = */ +#define HI_PRE ((long)(100<<16)) /* infinite precedence */ +#define PRE_MASK ((long)0xffff0000) /* precedence level mask */ + +struct ex_ex; + +#define name_ok(c) (((c)=='_') || ((c)>='a' && (c)<='z') || \ + ((c)>='A' && (c)<='Z') || ((c) >= '0' && (c) <= '9')) +#define unary_op(x) ((x) == OP_NOT || (x) == OP_NEG || (x) == OP_UMINUS) + +struct ex_ex { + union { + long v_int; + t_float v_flt; + t_float *v_vec; /* this is an for allocated vector */ + long op; + char *ptr; + } ex_cont; /* content */ +#define ex_int ex_cont.v_int +#define ex_flt ex_cont.v_flt +#define ex_vec ex_cont.v_vec +#define ex_op ex_cont.op +#define ex_ptr ex_cont.ptr + long ex_type; /* type of the node */ +}; +#define exNULL ((struct ex_ex *)0) + +/* defines for ex_type */ +#define ET_INT 1 /* an int */ +#define ET_FLT 2 /* a float */ +#define ET_OP 3 /* operator */ +#define ET_STR 4 /* string */ +#define ET_TBL 5 /* a table, the content is a pointer */ +#define ET_FUNC 6 /* a function */ +#define ET_SYM 7 /* symbol ("string") */ +#define ET_VSYM 8 /* variable symbol ("$s?") */ + /* we treat parenthesis and brackets */ + /* special to keep a pointer to their */ + /* match in the content */ +#define ET_LP 9 /* left parenthesis */ +#define ET_LB 10 /* left bracket */ +#define ET_II 11 /* and integer inlet */ +#define ET_FI 12 /* float inlet */ +#define ET_SI 13 /* string inlet */ +#define ET_VI 14 /* signal inlet */ +#define ET_VEC 15 /* allocated signal vector */ + /* special types for fexpr~ */ +#define ET_YO 16 /* vector output for fexpr~ */ +#define ET_YOM1 17 /* shorthand for $y?[-1] */ +#define ET_XI 18 /* vector input for fexpr~ */ +#define ET_XI0 20 /* shorthand for $x?[0] */ +#define ET_VAR 21 /* variable */ + +/* defines for ex_flags */ +#define EF_TYPE_MASK 0x07 /* first three bits define the type of expr */ +#define EF_EXPR 0x01 /* expr - control in and out */ +#define EF_EXPR_TILDE 0x02 /* expr~ signal and control in, signal out */ +#define EF_FEXPR_TILDE 0x04 /* fexpr~ filter expression */ + +#define EF_STOP 0x08 /* is it stopped used for expr~ and fexpr~ */ +#define EF_VERBOSE 0x10 /* verbose mode */ + +#define IS_EXPR(x) ((((x)->exp_flags&EF_TYPE_MASK)|EF_EXPR) == EF_EXPR) +#define IS_EXPR_TILDE(x) \ + ((((x)->exp_flags&EF_TYPE_MASK)|EF_EXPR_TILDE)==EF_EXPR_TILDE) +#define IS_FEXPR_TILDE(x) \ + ((((x)->exp_flags&EF_TYPE_MASK)|EF_FEXPR_TILDE)==EF_FEXPR_TILDE) + +#define SET_EXPR(x) (x)->exp_flags |= EF_EXPR; \ + (x)->exp_flags &= ~EF_EXPR_TILDE; \ + (x)->exp_flags &= ~EF_FEXPR_TILDE; + +#define SET_EXPR_TILDE(x) (x)->exp_flags &= ~EF_EXPR; \ + (x)->exp_flags |= EF_EXPR_TILDE; \ + (x)->exp_flags &= ~EF_FEXPR_TILDE; + +#define SET_FEXPR_TILDE(x) (x)->exp_flags &= ~EF_EXPR; \ + (x)->exp_flags &= ~EF_EXPR_TILDE; \ + (x)->exp_flags |= EF_FEXPR_TILDE; + +/* + * defines for expr_error + */ +#define EE_DZ 0x01 /* divide by zero error */ +#define EE_BI_OUTPUT 0x02 /* Bad output index */ +#define EE_BI_INPUT 0x04 /* Bad input index */ +#define EE_NOTABLE 0x08 /* NO TABLE */ +#define EE_NOVAR 0x10 /* NO VARIABLE */ + +typedef struct expr { +#ifdef PD + t_object exp_ob; +#else /* MSP */ + t_pxobject exp_ob; +#endif + int exp_flags; /* are we expr~, fexpr~, or expr */ + int exp_error; /* reported errors */ + int exp_nexpr; /* number of expressions */ + char *exp_string; /* the full expression string */ + char *exp_str; /* current parsing position */ + t_outlet *exp_outlet[MAX_VARS]; +#ifdef PD + struct _exprproxy *exp_proxy; +#else /* MAX */ + void *exp_proxy[MAX_VARS]; + long exp_proxy_id; +#endif + struct ex_ex *exp_stack[MAX_VARS]; + struct ex_ex exp_var[MAX_VARS]; + struct ex_ex exp_res[MAX_VARS]; /* the evluation result */ + t_float *exp_p_var[MAX_VARS]; + t_float *exp_p_res[MAX_VARS]; /* the previous evaluation result */ + t_float *exp_tmpres[MAX_VARS]; /* temporty result for fexpr~ */ + int exp_vsize; /* the size of the signal vector */ + int exp_nivec; /* # of vector inlets */ + t_float exp_f; /* control value to be transformed to signal */ +} t_expr; + +typedef struct ex_funcs { + char *f_name; /* function name */ + void (*f_func)(t_expr *, long, struct ex_ex *, struct ex_ex *); + /* the real function performing the function (void, no return!!!) */ + long f_argc; /* number of arguments */ +} t_ex_func; + +/* function prototypes for pd-related functions called withing vexp.h */ + +extern int max_ex_tab(struct expr *expr, t_symbol *s, struct ex_ex *arg, struct ex_ex *optr); +extern int max_ex_var(struct expr *expr, t_symbol *s, struct ex_ex *optr); +extern int ex_getsym(char *p, t_symbol **s); +extern const char *ex_symname(t_symbol *s); +void ex_mkvector(t_float *fp, t_float x, int size); +extern void ex_size(t_expr *expr, long int argc, struct ex_ex *argv, + struct ex_ex *optr); +extern void ex_sum(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +extern void ex_Sum(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +extern void ex_avg(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +extern void ex_Avg(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +extern void ex_store(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); + +int value_getonly(t_symbol *s, t_float *f); + + +/* These pragmas are only used for MSVC, not MinGW or Cygwin <hans@at.or.at> */ +#ifdef _MSC_VER +#pragma warning (disable: 4305 4244) +#endif + +#ifdef _WIN32 +#define abort ABORT +void ABORT(void); +#endif |