pike.git/src/builtin_functions.c:43bf15c34889a5550616bf4c5bfdb119ae663496

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3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 /*\ ||| This file a part of Pike, and is copyright by Fredrik Hubinette ||| Pike is distributed as GPL (General Public License) ||| See the files COPYING and DISCLAIMER for more information. \*/ #include "global.h" RCSID("$Id: builtin_functions.c,v 1.130 1998/10/14 15:21:59 grubba Exp $"); #include "interpret.h" #include "svalue.h" #include "pike_macros.h" #include "object.h" #include "program.h" #include "array.h" #include "error.h" #include "constants.h" #include "mapping.h" #include "stralloc.h" #include "lex.h" #include "multiset.h" #include "pike_types.h" #include "rusage.h" #include "operators.h" #include "fsort.h" #include "callback.h" #include "gc.h" #include "backend.h" #include "main.h" #include "pike_memory.h" #include "threads.h" #include "time_stuff.h" #include "version.h" #include "encode.h" #include <math.h> #include <ctype.h> #include "module_support.h" #include "module.h" #include "opcodes.h" #include "cyclic.h" #include "signal_handler.h" #ifdef HAVE_POLL #ifdef HAVE_POLL_H #include <poll.h> #endif /* HAVE_POLL_H */ #ifdef HAVE_SYS_POLL_H #include <sys/poll.h> #endif /* HAVE_SYS_POLL_H */ #endif /* HAVE_POLL */ #ifdef HAVE_CRYPT_H #include <crypt.h> #endif /* #define DIFF_DEBUG */ /* #define ENABLE_DYN_DIFF */ void f_equal(INT32 args) { int i; if(args != 2) PIKE_ERROR("equal", "Bad number of arguments.\n", sp, args); i=is_equal(sp-2,sp-1); pop_n_elems(args); push_int(i); } void f_aggregate(INT32 args) { struct array *a; #ifdef DEBUG if(args < 0) fatal("Negative args to f_aggregate()\n"); #endif a=aggregate_array(args); push_array(a); /* beware, macro */ } void f_trace(INT32 args) { extern int t_flag; int old_t_flag=t_flag; get_all_args("trace",args,"%i",&t_flag); pop_n_elems(args); push_int(old_t_flag); } void f_hash(INT32 args) { INT32 i; if(!args) PIKE_ERROR("hash", "Too few arguments.\n", sp, 0); if(sp[-args].type != T_STRING) PIKE_ERROR("hash", "Bad argument 1.\n", sp, args); i=hashstr((unsigned char *)sp[-args].u.string->str,100); if(args > 1) { if(sp[1-args].type != T_INT) PIKE_ERROR("hash", "Bad argument 2.\n", sp, args); if(!sp[1-args].u.integer) PIKE_ERROR("hash", "Modulo by zero.\n", sp, args); i%=(unsigned INT32)sp[1-args].u.integer; } pop_n_elems(args); push_int(i); } void f_copy_value(INT32 args) { if(!args) PIKE_ERROR("copy_value", "Too few arguments.\n", sp, 0); pop_n_elems(args-1); copy_svalues_recursively_no_free(sp,sp-1,1,0); free_svalue(sp-1); sp[-1]=sp[0]; } void f_ctime(INT32 args) { time_t i; if(!args) PIKE_ERROR("ctime", "Too few arguments.\n", sp, args); if(sp[-args].type != T_INT) PIKE_ERROR("ctime", "Bad argument 1.\n", sp, args); i=(time_t)sp[-args].u.integer; pop_n_elems(args); push_string(make_shared_string(ctime(&i))); } /* FIXME: wide char support ! */ void f_lower_case(INT32 args) { INT32 i; struct pike_string *ret; if(!args) PIKE_ERROR("lower_case", "Too few arguments.\n", sp, 0); if(sp[-args].type != T_STRING) PIKE_ERROR("lower_case", "Bad argument 1.\n", sp, args); ret=begin_shared_string(sp[-args].u.string->len); MEMCPY(ret->str, sp[-args].u.string->str,sp[-args].u.string->len); for (i = sp[-args].u.string->len-1; i>=0; i--) if (isupper(EXTRACT_UCHAR( ret->str + i))) ret->str[i] = tolower(EXTRACT_UCHAR(ret->str+i)); pop_n_elems(args); push_string(end_shared_string(ret)); } /* FIXME: wide char support ! */ void f_upper_case(INT32 args) { INT32 i; struct pike_string *ret; if(!args) PIKE_ERROR("upper_case", "Too few arguments.\n", sp, 0); if(sp[-args].type != T_STRING) PIKE_ERROR("upper_case", "Bad argument 1.\n", sp, args); ret=begin_shared_string(sp[-args].u.string->len); MEMCPY(ret->str, sp[-args].u.string->str,sp[-args].u.string->len); for (i = sp[-args].u.string->len-1; i>=0; i--) if (islower(EXTRACT_UCHAR(ret->str+i))) ret->str[i] = toupper(EXTRACT_UCHAR(ret->str+i)); pop_n_elems(args); push_string(end_shared_string(ret)); } void f_random(INT32 args) { if(!args) PIKE_ERROR("random", "Too few arguments.\n", sp, 0); if(sp[-args].type != T_INT) PIKE_ERROR("random", "Bad argument 1.\n", sp, args); if(sp[-args].u.integer <= 0) { sp[-args].u.integer = 0; }else{ sp[-args].u.integer = my_rand() % sp[-args].u.integer; } pop_n_elems(args-1); } void f_random_seed(INT32 args) { if(!args) PIKE_ERROR("random_seed", "Too few arguments.\n", sp, 0); if(sp[-args].type != T_INT) PIKE_ERROR("random_seed", "Bad argument 1.\n", sp, args); my_srand(sp[-args].u.integer); pop_n_elems(args); } void f_query_num_arg(INT32 args) { pop_n_elems(args); push_int(fp ? fp->args : 0); } void f_search(INT32 args) { INT32 start; if(args < 2) PIKE_ERROR("search", "Too few arguments.\n", sp, args); switch(sp[-args].type) { case T_STRING: { char *ptr; if(sp[1-args].type != T_STRING) PIKE_ERROR("search", "Bad argument 2.\n", sp, args); start=0; if(args > 2) { if(sp[2-args].type!=T_INT) PIKE_ERROR("search", "Bad argument 3.\n", sp, args); start=sp[2-args].u.integer; if(start<0) PIKE_ERROR("search", "Start must be greater or equal to zero.\n", sp, args); } if(sp[-args].u.string->len < start) PIKE_ERROR("search", "Start must not be greater than the length of the string.\n", sp, args); start=string_search(sp[-args].u.string, sp[1-args].u.string, start); pop_n_elems(args); push_int(start); break; } case T_ARRAY: start=0; if(args > 2) { if(sp[2-args].type!=T_INT) PIKE_ERROR("search", "Bad argument 3.\n", sp, args); start=sp[2-args].u.integer; } start=array_search(sp[-args].u.array,sp+1-args,start); pop_n_elems(args); push_int(start); break; case T_MAPPING: if(args > 2) mapping_search_no_free(sp,sp[-args].u.mapping,sp+1-args,sp+2-args); else mapping_search_no_free(sp,sp[-args].u.mapping,sp+1-args,0); free_svalue(sp-args); sp[-args]=*sp; pop_n_elems(args-1); return; default: PIKE_ERROR("search", "Bad argument 1.\n", sp, args); } } void f_backtrace(INT32 args) { INT32 frames; struct frame *f,*of; struct array *a,*i; frames=0; if(args) pop_n_elems(args); for(f=fp;f;f=f->parent_frame) frames++; sp->type=T_ARRAY; sp->u.array=a=allocate_array_no_init(frames,0); sp++; /* NOTE: The first frame is ignored, since it is the call to backtrace(). */ of=0; for(f=fp;f;f=(of=f)->parent_frame) { char *program_name; frames--; if(f->current_object && f->context.prog) { INT32 args; args=f->num_args; args=MINIMUM(f->num_args, sp - f->locals); if(of) args=MINIMUM(f->num_args, of->locals - f->locals); args=MAXIMUM(args,0); ITEM(a)[frames].u.array=i=allocate_array_no_init(3+args,0); ITEM(a)[frames].type=T_ARRAY; assign_svalues_no_free(ITEM(i)+3, f->locals, args, BIT_MIXED); if(f->current_object->prog) { ITEM(i)[2].type=T_FUNCTION; ITEM(i)[2].subtype=f->fun; ITEM(i)[2].u.object=f->current_object; add_ref(f->current_object); }else{ ITEM(i)[2].type=T_INT; ITEM(i)[2].subtype=NUMBER_DESTRUCTED; ITEM(i)[2].u.integer=0; } if(f->pc) { program_name=get_line(f->pc, f->context.prog, & ITEM(i)[1].u.integer); ITEM(i)[1].subtype=NUMBER_NUMBER; ITEM(i)[1].type=T_INT; ITEM(i)[0].u.string=make_shared_string(program_name); #ifdef __CHECKER__ ITEM(i)[0].subtype=0; #endif ITEM(i)[0].type=T_STRING; }else{ ITEM(i)[1].u.integer=0; ITEM(i)[1].subtype=NUMBER_NUMBER; ITEM(i)[1].type=T_INT; ITEM(i)[0].u.integer=0; ITEM(i)[0].subtype=NUMBER_NUMBER; ITEM(i)[0].type=T_INT; } }else{ ITEM(a)[frames].type=T_INT; ITEM(a)[frames].u.integer=0; } } a->type_field = BIT_ARRAY | BIT_INT; } void f_add_constant(INT32 args) { if(args<1) PIKE_ERROR("add_constant", "Too few arguments.\n", sp, args); if(sp[-args].type!=T_STRING) PIKE_ERROR("add_constant", "Bad argument 1.\n", sp, args); if(args>1) { low_add_efun(sp[-args].u.string, sp-args+1); }else{ low_add_efun(sp[-args].u.string, 0); } pop_n_elems(args); } #ifndef __NT__ #define IS_SEP(X) ( (X)=='/' ) #define IS_ABS(X) (IS_SEP((X)[0])?1:0) #else #define IS_SEP(X) ( (X) == '/' || (X) == '\\' ) #define IS_ABS(X) ((isalpha((X)[0]) && (X)[1]==':' && IS_SEP((X)[2]))?3:0) #define IS_ROOT(X) (IS_SEP((X)[0])?1:0) #endif static char *combine_path(char *cwd,char *file) { /* cwd is supposed to be combined already */ char *ret; register char *from,*to; char *my_cwd; char cwdbuf[10]; my_cwd=0; if(IS_ABS(file)) { MEMCPY(cwdbuf,file,IS_ABS(file)); cwdbuf[IS_ABS(file)]=0; cwd=cwdbuf; file+=IS_ABS(file); } #ifdef IS_ROOT else if(IS_ROOT(file)) { if(IS_ABS(cwd)) { MEMCPY(cwdbuf,cwd,IS_ABS(cwd)); cwdbuf[IS_ABS(cwd)]=0; cwd=cwdbuf; file+=IS_ROOT(file); }else{ MEMCPY(cwdbuf,file,IS_ROOT(file)); cwdbuf[IS_ROOT(file)]=0; cwd=cwdbuf; file+=IS_ROOT(file); } } #endif #ifdef DEBUG if(!cwd) fatal("No cwd in combine_path!\n"); #endif if(!*cwd || IS_SEP(cwd[strlen(cwd)-1])) { ret=(char *)xalloc(strlen(cwd)+strlen(file)+1); strcpy(ret,cwd); strcat(ret,file); }else{ ret=(char *)xalloc(strlen(cwd)+strlen(file)+2); strcpy(ret,cwd); strcat(ret,"/"); strcat(ret,file); } from=to=ret; /* Skip all leading "./" */ while(from[0]=='.' && IS_SEP(from[1])) from+=2; while(( *to = *from )) { if(IS_SEP(*from)) { while(to>ret && to[-1]=='/') to--; if(from[1] == '.') { switch(from[2]) { case '.': if(IS_SEP(from[3]) || !from[3]) { char *tmp=to; while(--tmp>=ret) if(IS_SEP(*tmp)) break; tmp++; if(tmp[0]=='.' && tmp[1]=='.' && (IS_SEP(tmp[2]) || !tmp[2])) break; from+=3; to=tmp; continue; } break; case 0: case '/': #ifdef __NT__ case '\\': #endif from+=2; continue; } } } from++; to++; } if(*ret && !IS_SEP(from[-1]) && IS_SEP(to[-1])) *--to=0; if(!*ret) { if(IS_SEP(*cwd)) { ret[0]='/'; ret[1]=0; }else{ ret[0]='.'; ret[1]=0; } } if(my_cwd) free(my_cwd); return ret; } void f_combine_path(INT32 args) { char *path=0; int e,dofree=0; struct pike_string *ret; if(args<1) PIKE_ERROR("combine_path", "Too few arguments.\n", sp, args); if(sp[-args].type != T_STRING) PIKE_ERROR("combine_path", "Bad argument 1.\n", sp, args); path=sp[-args].u.string->str; for(e=1;e<args;e++) { char *newpath; if(sp[e-args].type != T_STRING) { if(dofree) free(path); error("Bad argument %d to combine_path.\n",e); } newpath=combine_path(path,sp[e-args].u.string->str); if(dofree) free(path); path=newpath; dofree=1; } ret=make_shared_string(path); if(dofree) free(path); pop_n_elems(args); push_string(ret); } void f_function_object(INT32 args) { if(args < 1) PIKE_ERROR("function_object", "Too few arguments.\n", sp, args); if(sp[-args].type != T_FUNCTION) PIKE_ERROR("function_object", "Bad argument 1.\n", sp, args); if(sp[-args].subtype == FUNCTION_BUILTIN) { pop_n_elems(args); push_int(0); }else{ pop_n_elems(args-1); sp[-1].type=T_OBJECT; } } void f_function_name(INT32 args) { struct pike_string *s; if(args < 1) PIKE_ERROR("function_name", "Too few arguments.\n", sp, args); if(sp[-args].type != T_FUNCTION) PIKE_ERROR("function_name", "Bad argument 1.\n", sp, args); if(sp[-args].subtype == FUNCTION_BUILTIN) { pop_n_elems(args); push_int(0); }else{ if(!sp[-args].u.object->prog) PIKE_ERROR("function_name", "Destructed object.\n", sp, args); copy_shared_string(s,ID_FROM_INT(sp[-args].u.object->prog, sp[-args].subtype)->name); pop_n_elems(args); sp->type=T_STRING; sp->u.string=s; sp++; } } void f_zero_type(INT32 args) { if(args < 1) PIKE_ERROR("zero_type", "Too few arguments.\n", sp, args); if(sp[-args].type != T_INT) { pop_n_elems(args); push_int(0); } else if((sp[-args].type==T_OBJECT || sp[-args].type==T_FUNCTION) && !sp[-args].u.object->prog) { pop_n_elems(args); push_int(NUMBER_DESTRUCTED); } { pop_n_elems(args-1); sp[-1].u.integer=sp[-1].subtype; sp[-1].subtype=NUMBER_NUMBER; } } /* * Some wide-strings related functions */ void f_string_to_unicode(INT32 args) { struct pike_string *in; struct pike_string *out = NULL; INT32 len; int i; get_all_args("string_to_unicode", args, "%W", &in); switch(in->size_shift) { case 0: /* Just 8bit characters */ len = in->len * 2; out = begin_shared_string(len); MEMSET(out->str, 0, len); /* Clear the upper (and lower) byte */ for(i = in->len; i--;) { out->str[i * 2] = in->str[i]; } out = end_shared_string(out); break; case 1: /* 16 bit characters */ /* FIXME: Should we check for 0xfffe & 0xffff here too? */ len = in->len * 2; out = begin_shared_string(len); #if (BYTEORDER == 4321) /* Big endian -- We don't need to do much... * * FIXME: Future optimization: Check if refcount is == 1, * and perform sufficient magic to be able to convert in place. */ MEMCPY(out->str, in->str, len); #else /* Other endianness, may need to do byte-order conversion also. */ { p_wchar1 *str1 = STR1(in); for(i = in->len; i--;) { unsigned INT32 c = str1[i]; out->str[i * 2] = c & 0xff; out->str[i * 2 + 1] = c >> 8; } } #endif out = end_shared_string(out); break; case 2: /* 32 bit characters -- Is someone writing in Klingon? */ { p_wchar2 *str2 = STR2(in); int j; len = in->len * 2; /* Check how many extra wide characters there are. */ for(i = in->len; i--;) { if (str2[i] > 0xfffd) { if (str2[i] < 0x10000) { /* 0xfffe: Byte-order detection illegal character. * 0xffff: Illegal character. */ error("string_to_unicode(): Illegal character 0x%04x (index %d) " "is not a Unicode character.", str2[i], i); } if (str2[i] > 0x10ffff) { error("string_to_unicode(): Character 0x%08x (index %d) " "is out of range (0x00000000 - 0x0010ffff).", str2[i], i); } /* Extra wide characters take two unicode characters in space. * ie One unicode character extra. */ len += 2; } } out = begin_shared_string(len); j = len; for(i = in->len; i--;) { unsigned INT32 c = str2[i]; j -= 2; if (c > 0xffff) { /* Use surrogates */ c -= 0x10000; out->str[j + 1] = c & 0xff; out->str[j] = 0xdc | ((c >> 8) & 0x03); j -= 2; c >>= 10; c |= 0xd800; } out->str[j + 1] = c & 0xff; out->str[j] = c >> 8; } #ifdef DEBUG if (j) { fatal("string_to_unicode(): Indexing error: len:%d, j:%d.\n", len, j); } #endif /* DEBUG */ out = end_shared_string(out); } break; default: error("string_to_unicode(): Bad string shift: %d!\n", in->size_shift); break; } pop_n_elems(args); push_string(out); } void f_unicode_to_string(INT32 args) { struct pike_string *in; struct pike_string *out = NULL; INT32 len; get_all_args("unicode_to_string", args, "%S", &in); if (in->len & 1) { error("unicode_to_string(): String length is odd.\n"); } /* FIXME: In the future add support for decoding of surrogates. */ len = in->len / 2; out = begin_wide_shared_string(len, 1); #if (BYTEORDER == 4321) /* Big endian * * FIXME: Future optimization: Perform sufficient magic * to do the conversion in place if the ref-count is == 1. */ MEMCPY(out->str, in->str, in->len); #else /* Little endian */ { int i; p_wchar1 *str1 = STR1(out); for (i = len; i--;) { str1[i] = (in->str[i*2]<<8) + in->str[i*2 + 1]; } } #endif /* BYTEORDER == 4321 */ out = end_shared_string(out); pop_n_elems(args); push_string(out); } void f_all_constants(INT32 args) { pop_n_elems(args); ref_push_mapping(get_builtin_constants()); } void f_allocate(INT32 args) { INT32 size; struct array *a; if(args < 1) PIKE_ERROR("allocate", "Too few arguments.\n", sp, args); if(sp[-args].type!=T_INT) PIKE_ERROR("allocate", "Bad argument 1.\n", sp, args); size=sp[-args].u.integer; if(size < 0) PIKE_ERROR("allocate", "Can't allocate array of negative size.\n", sp, args); a=allocate_array(size); if(args>1) { INT32 e; for(e=0;e<a->size;e++) copy_svalues_recursively_no_free(a->item+e, sp-args+1, 1, 0); } pop_n_elems(args); push_array(a); } void f_rusage(INT32 args) { INT32 *rus,e; struct array *v; pop_n_elems(args); rus=low_rusage(); if(!rus) PIKE_ERROR("rusage", "System rusage information not available.\n", sp, args); v=allocate_array_no_init(29,0); for(e=0;e<29;e++) { ITEM(v)[e].type=T_INT; ITEM(v)[e].subtype=NUMBER_NUMBER; ITEM(v)[e].u.integer=rus[e]; } sp->u.array=v; sp->type=T_ARRAY; sp++; } void f_this_object(INT32 args) { pop_n_elems(args); if(fp) { sp->u.object=fp->current_object; sp->type=T_OBJECT; add_ref(fp->current_object); sp++; }else{ push_int(0); } } void f_throw(INT32 args) { if(args < 1) PIKE_ERROR("throw", "Too few arguments.\n", sp, args); assign_svalue(&throw_value,sp-args); pop_n_elems(args); throw_severity=0; pike_throw(); } void f_exit(INT32 args) { if(args < 1) PIKE_ERROR("exit", "Too few arguments.\n", sp, args); if(sp[-args].type != T_INT) PIKE_ERROR("exit", "Bad argument 1.\n", sp, args); assign_svalue(&throw_value, sp-args); throw_severity=THROW_EXIT; pike_throw(); } void f__exit(INT32 args) { if(args < 1) PIKE_ERROR("_exit", "Too few arguments.\n", sp, args); if(sp[-args].type != T_INT) PIKE_ERROR("_exit", "Bad argument 1.\n", sp, args); exit(sp[-1].u.integer); } void f_time(INT32 args) { if(!args) { GETTIMEOFDAY(&current_time); }else{ if(sp[-args].type == T_INT && sp[-args].u.integer > 1) { struct timeval tmp; GETTIMEOFDAY(&current_time); tmp.tv_sec=sp[-args].u.integer; tmp.tv_usec=0; my_subtract_timeval(&tmp,&current_time); pop_n_elems(args); push_float( - (float)tmp.tv_sec - ((float)tmp.tv_usec)/1000000 ); return; } } pop_n_elems(args); push_int(current_time.tv_sec); } void f_crypt(INT32 args) { char salt[2]; char *ret, *saltp; char *choise = "cbhisjKlm4k65p7qrJfLMNQOPxwzyAaBDFgnoWXYCZ0123tvdHueEGISRTUV89./"; if(args < 1) PIKE_ERROR("crypt", "Too few arguments.\n", sp, args); if(sp[-args].type != T_STRING) PIKE_ERROR("crypt", "Bad argument 1.\n", sp, args); if(args>1) { if(sp[1-args].type != T_STRING || sp[1-args].u.string->len < 2) { pop_n_elems(args); push_int(0); return; } saltp=sp[1-args].u.string->str; } else { unsigned int foo; /* Sun CC want's this :( */ foo=my_rand(); salt[0] = choise[foo % (unsigned int) strlen(choise)]; foo=my_rand(); salt[1] = choise[foo % (unsigned int) strlen(choise)]; saltp=salt; } #ifdef HAVE_CRYPT ret = (char *)crypt(sp[-args].u.string->str, saltp); #else #ifdef HAVE__CRYPT ret = (char *)_crypt(sp[-args].u.string->str, saltp); #else ret = sp[-args].u.string->str; #endif #endif if(args < 2) { pop_n_elems(args); push_string(make_shared_string(ret)); }else{ int i; i=!strcmp(ret,sp[1-args].u.string->str); pop_n_elems(args); push_int(i); } } void f_destruct(INT32 args) { struct object *o; if(args) { if(sp[-args].type != T_OBJECT) PIKE_ERROR("destruct", "Bad arguments 1.\n", sp, args); o=sp[-args].u.object; }else{ if(!fp) PIKE_ERROR("destruct", "Destruct called without argument from callback function.\n", sp, args); o=fp->current_object; } destruct(o); pop_n_elems(args); } void f_indices(INT32 args) { INT32 size; struct array *a; if(args < 1) PIKE_ERROR("indices", "Too few arguments.\n", sp, args); switch(sp[-args].type) { case T_STRING: size=sp[-args].u.string->len; goto qjump; case T_ARRAY: size=sp[-args].u.array->size; qjump: a=allocate_array_no_init(size,0); while(--size>=0) { ITEM(a)[size].type=T_INT; ITEM(a)[size].subtype=NUMBER_NUMBER; ITEM(a)[size].u.integer=size; } break; case T_MAPPING: a=mapping_indices(sp[-args].u.mapping); break; case T_MULTISET: a=copy_array(sp[-args].u.multiset->ind); break; case T_OBJECT: a=object_indices(sp[-args].u.object); break; case T_PROGRAM: a = program_indices(sp[-args].u.program); break; case T_FUNCTION: { struct program *p = program_from_svalue(sp-args); if (p) { a = program_indices(p); break; } } /* FALL THROUGH */ default: PIKE_ERROR("indices", "Bad argument 1.\n", sp, args); return; /* make apcc happy */ } pop_n_elems(args); push_array(a); } void f_values(INT32 args) { INT32 size; struct array *a; if(args < 1) PIKE_ERROR("values", "Too few arguments.\n", sp, args); switch(sp[-args].type) { case T_STRING: size = sp[-args].u.string->len; a = allocate_array_no_init(size,0); while(--size >= 0) { ITEM(a)[size].type = T_INT; ITEM(a)[size].subtype = NUMBER_NUMBER; ITEM(a)[size].u.integer = index_shared_string(sp[-args].u.string, size); } break; case T_ARRAY: a=copy_array(sp[-args].u.array); break; case T_MAPPING: a=mapping_values(sp[-args].u.mapping); break; case T_MULTISET: size=sp[-args].u.multiset->ind->size; a=allocate_array_no_init(size,0); while(--size>=0) { ITEM(a)[size].type=T_INT; ITEM(a)[size].subtype=NUMBER_NUMBER; ITEM(a)[size].u.integer=1; } break; case T_OBJECT: a=object_values(sp[-args].u.object); break; case T_PROGRAM: a = program_values(sp[-args].u.program); break; case T_FUNCTION: { struct program *p = program_from_svalue(sp - args); if (p) { a = program_values(p); break; } } /* FALL THROUGH */ default: PIKE_ERROR("values", "Bad argument 1.\n", sp, args); return; /* make apcc happy */ } pop_n_elems(args); push_array(a); } void f_next_object(INT32 args) { struct object *o; if(args < 1) { o=first_object; }else{ if(sp[-args].type != T_OBJECT) PIKE_ERROR("next_object", "Bad argument 1.\n", sp, args); o=sp[-args].u.object->next; } pop_n_elems(args); if(!o) { push_int(0); }else{ ref_push_object(o); } } void f_object_program(INT32 args) { if(args < 1) PIKE_ERROR("object_program", "Too few arguments.\n", sp, args); if(sp[-args].type == T_OBJECT) { struct object *o=sp[-args].u.object; struct program *p; if((p=o->prog)) { if(o->parent && o->parent->prog) { INT32 id=o->parent_identifier; o=o->parent; add_ref(o); pop_n_elems(args); push_object(o); sp[-1].subtype=id; sp[-1].type=T_FUNCTION; return; }else{ add_ref(p); pop_n_elems(args); push_program(p); return; } } } pop_n_elems(args); push_int(0); } void f_reverse(INT32 args) { if(args < 1) PIKE_ERROR("reverse", "Too few arguments.\n", sp, args); switch(sp[-args].type) { case T_STRING: { INT32 e; struct pike_string *s; s=begin_wide_shared_string(sp[-args].u.string->len, sp[-args].u.string->size_shift); switch(sp[-args].u.string->size_shift) { case 0: for(e=0;e<sp[-args].u.string->len;e++) STR0(s)[e]=STR0(sp[-args].u.string)[sp[-args].u.string->len-1-e]; break; case 1: for(e=0;e<sp[-args].u.string->len;e++) STR1(s)[e]=STR1(sp[-args].u.string)[sp[-args].u.string->len-1-e]; break; case 2: for(e=0;e<sp[-args].u.string->len;e++) STR2(s)[e]=STR2(sp[-args].u.string)[sp[-args].u.string->len-1-e]; break; } s=low_end_shared_string(s); pop_n_elems(args); push_string(s); break; } case T_INT: { INT32 e; e=sp[-args].u.integer; e=((e & 0x55555555UL)<<1) + ((e & 0xaaaaaaaaUL)>>1); e=((e & 0x33333333UL)<<2) + ((e & 0xccccccccUL)>>2); e=((e & 0x0f0f0f0fUL)<<4) + ((e & 0xf0f0f0f0UL)>>4); e=((e & 0x00ff00ffUL)<<8) + ((e & 0xff00ff00UL)>>8); e=((e & 0x0000ffffUL)<<16)+ ((e & 0xffff0000UL)>>16); sp[-args].u.integer=e; pop_n_elems(args-1); break; } case T_ARRAY: { struct array *a; a=reverse_array(sp[-args].u.array); pop_n_elems(args); push_array(a); break; } default: PIKE_ERROR("reverse", "Bad argument 1.\n", sp, args); } } struct tupel { struct pike_string *ind,*val; }; static int replace_sortfun(void *a,void *b) { return my_quick_strcmp( ((struct tupel *)a)->ind, ((struct tupel *)b)->ind); } static struct pike_string * replace_many(struct pike_string *str, struct array *from, struct array *to) { INT32 s,length,e,num; struct string_builder ret; struct tupel *v; int set_start[256]; int set_end[256]; if(from->size != to->size) error("Replace must have equal-sized from and to arrays.\n"); if(!from->size) { reference_shared_string(str); return str; } v=(struct tupel *)xalloc(sizeof(struct tupel)*from->size); for(num=e=0;e<from->size;e++) { if(ITEM(from)[e].type != T_STRING) { free((char *)v); error("Replace: from array is not array(string)\n"); } if(ITEM(to)[e].type != T_STRING) { free((char *)v); error("Replace: to array is not array(string)\n"); } if(ITEM(from)[e].u.string->size_shift > str->size_shift) continue; v[num].ind=ITEM(from)[e].u.string; v[num].val=ITEM(to)[e].u.string; num++; } fsort((char *)v,num,sizeof(struct tupel),(fsortfun)replace_sortfun); for(e=0;e<(INT32)NELEM(set_end);e++) set_end[e]=set_start[e]=0; for(e=0;e<num;e++) { INT32 x; x=index_shared_string(v[num-1-e].ind,0); if(x<(INT32)NELEM(set_start)) set_start[x]=num-e-1; x=index_shared_string(v[e].ind,0); if(x<(INT32)NELEM(set_end)) set_end[x]=e+1; } init_string_builder(&ret,str->size_shift); length=str->len; for(s=0;length > 0;) { INT32 a,b,c,ch; ch=index_shared_string(str,s); if(ch<(INT32)NELEM(set_end)) b=set_end[ch]; else b=num; if(b) { if(ch<(INT32)NELEM(set_start)) a=set_start[ch]; else a=0; while(a<b) { c=(a+b)/2; if(generic_quick_binary_strcmp(v[c].ind->str, v[c].ind->len, v[c].ind->size_shift, str->str+(s << str->size_shift), length, str->size_shift) <=0) { if(a==c) break; a=c; }else{ b=c; } } if(a<num && length >= v[a].ind->len && !generic_quick_binary_strcmp(v[a].ind->str, v[a].ind->len, v[a].ind->size_shift, str->str+(s<<str->size_shift), v[a].ind->len, str->size_shift)) { c=v[a].ind->len; if(!c) c=1; s+=c; length-=c; string_builder_shared_strcat(&ret,v[a].val); continue; } } string_builder_putchar(&ret, ch); s++; length--; } free((char *)v); return finish_string_builder(&ret); } void f_replace(INT32 args) { if(args < 3) PIKE_ERROR("replace", "Too few arguments.\n", sp, args); switch(sp[-args].type) { case T_ARRAY: { array_replace(sp[-args].u.array,sp+1-args,sp+2-args); pop_n_elems(args-1); break; } case T_MAPPING: { mapping_replace(sp[-args].u.mapping,sp+1-args,sp+2-args); pop_n_elems(args-1); break; } case T_STRING: { struct pike_string *s; switch(sp[1-args].type) { default: PIKE_ERROR("replace", "Bad argument 2.\n", sp, args); case T_STRING: if(sp[2-args].type != T_STRING) PIKE_ERROR("replace", "Bad argument 3.\n", sp, args); s=string_replace(sp[-args].u.string, sp[1-args].u.string, sp[2-args].u.string); break; case T_ARRAY: if(sp[2-args].type != T_ARRAY) PIKE_ERROR("replace", "Bad argument 3.\n", sp, args); s=replace_many(sp[-args].u.string, sp[1-args].u.array, sp[2-args].u.array); } pop_n_elems(args); push_string(s); break; } default: PIKE_ERROR("replace", "Bad argument 1.\n", sp, args); } } void f_compile(INT32 args) { struct program *p; if(args < 1) PIKE_ERROR("compile", "Too few arguments.\n", sp, args); if(sp[-args].type != T_STRING) PIKE_ERROR("compile", "Bad argument 1.\n", sp, args); if(sp[-args].u.string->size_shift) PIKE_ERROR("compile", "Wide strings not supported yet.\n", sp, args); p=compile(sp[-args].u.string); pop_n_elems(args); push_program(p); } void f_mkmapping(INT32 args) { struct mapping *m; struct array *a,*b; get_all_args("mkmapping",args,"%a%a",&a,&b); if(a->size != b->size) PIKE_ERROR("mkmapping", "mkmapping called on arrays of different sizes\n", sp, args); m=mkmapping(sp[-args].u.array, sp[1-args].u.array); pop_n_elems(args); push_mapping(m); } void f_objectp(INT32 args) { if(args<1) PIKE_ERROR("objectp", "Too few arguments.\n", sp, args); if(sp[-args].type != T_OBJECT || !sp[-args].u.object->prog) { pop_n_elems(args); push_int(0); }else{ pop_n_elems(args); push_int(1); } } void f_functionp(INT32 args) { if(args<1) PIKE_ERROR("functionp", "Too few arguments.\n", sp, args); if(sp[-args].type != T_FUNCTION || (sp[-args].subtype != FUNCTION_BUILTIN && !sp[-args].u.object->prog)) { pop_n_elems(args); push_int(0); }else{ pop_n_elems(args); push_int(1); } } #ifndef HAVE_AND_USE_POLL #undef HAVE_POLL #endif void f_sleep(INT32 args) { struct timeval t1,t2,t3; INT32 a,b; if(!args) PIKE_ERROR("sleep", "Too few arguments.\n", sp, args); switch(sp[-args].type) { case T_INT: t2.tv_sec=sp[-args].u.integer; t2.tv_usec=0; break; case T_FLOAT: { FLOAT_TYPE f; f=sp[-args].u.float_number; t2.tv_sec=floor(f); t2.tv_usec=(long)(1000000.0*(f-floor(f))); break; } default: PIKE_ERROR("sleep", "Bad argument 1.\n", sp, args); } pop_n_elems(args); if( args >1 && !IS_ZERO(sp-args+1)) { THREADS_ALLOW(); #ifdef __NT__ Sleep(t2.tv_sec * 1000 + t2.tv_usec / 1000); #elif defined(HAVE_POLL) poll(NULL, 0, t2.tv_sec * 1000 + t2.tv_usec / 1000); #else select(0,0,0,0,&t2); #endif THREADS_DISALLOW(); }else{ GETTIMEOFDAY(&t1); my_add_timeval(&t1, &t2); while(1) { GETTIMEOFDAY(&t2); if(my_timercmp(&t1, <= , &t2)) return; t3=t1; my_subtract_timeval(&t3, &t2); THREADS_ALLOW(); #ifdef __NT__ Sleep(t3.tv_sec * 1000 + t3.tv_usec / 1000); #elif defined(HAVE_POLL) poll(NULL, 0, t3.tv_sec * 1000 + t3.tv_usec / 1000); #else select(0,0,0,0,&t3); #endif THREADS_DISALLOW(); check_signals(0,0,0); } } } void f_gc(INT32 args) { INT32 tmp; pop_n_elems(args); tmp=num_objects; do_gc(); push_int(tmp - num_objects); } #ifdef TYPEP #undef TYPEP #endif #define TYPEP(ID,NAME,TYPE) \ void ID(INT32 args) \ { \ int t; \ if(args<1) PIKE_ERROR(NAME, "Too few arguments.\n", sp, args); \ t=sp[-args].type == TYPE; \ pop_n_elems(args); \ push_int(t); \ } void f_programp(INT32 args) { if(args<1) PIKE_ERROR("programp", "Too few arguments.\n", sp, args); switch(sp[-args].type) { case T_PROGRAM: pop_n_elems(args); push_int(1); return; case T_FUNCTION: if(program_from_function(sp-args)) { pop_n_elems(args); push_int(1); return; } default: pop_n_elems(args); push_int(0); } } TYPEP(f_intp, "intpp", T_INT) TYPEP(f_mappingp, "mappingp", T_MAPPING) TYPEP(f_arrayp, "arrayp", T_ARRAY) TYPEP(f_multisetp, "multisetp", T_MULTISET) TYPEP(f_stringp, "stringp", T_STRING) TYPEP(f_floatp, "floatp", T_FLOAT) void f_sort(INT32 args) { INT32 e,*order; if(args < 1) fatal("Too few arguments to sort().\n"); for(e=0;e<args;e++) { if(sp[e-args].type != T_ARRAY) error("Bad argument %ld to sort().\n",(long)(e+1)); if(sp[e-args].u.array->size != sp[-args].u.array->size) error("Argument %ld to sort() has wrong size.\n",(long)(e+1)); } if(args > 1) { order=get_alpha_order(sp[-args].u.array); for(e=0;e<args;e++) order_array(sp[e-args].u.array,order); free((char *)order); pop_n_elems(args-1); } else { sort_array_destructively(sp[-args].u.array); } } void f_rows(INT32 args) { INT32 e; struct array *a,*tmp; if(args < 2) PIKE_ERROR("rows", "Too few arguments.\n", sp, args); if(sp[1-args].type!=T_ARRAY) PIKE_ERROR("rows", "Bad argument 1.\n", sp, args); tmp=sp[1-args].u.array; push_array(a=allocate_array(tmp->size)); for(e=0;e<a->size;e++) index_no_free(ITEM(a)+e, sp-args-1, ITEM(tmp)+e); add_ref(a); pop_n_elems(args+1); push_array(a); } void f_column(INT32 args) { INT32 e; struct array *a,*tmp; DECLARE_CYCLIC(); if(args < 2) PIKE_ERROR("column", "Too few arguments.\n", sp, args); if(sp[-args].type!=T_ARRAY) PIKE_ERROR("column", "Bad argument 1.\n", sp, args); tmp=sp[-args].u.array; if((a=(struct array *)BEGIN_CYCLIC(tmp,0))) { add_ref(a); pop_n_elems(args); push_array(a); }else{ push_array(a=allocate_array(tmp->size)); SET_CYCLIC_RET(a); for(e=0;e<a->size;e++) index_no_free(ITEM(a)+e, ITEM(tmp)+e, sp-args); END_CYCLIC(); add_ref(a); pop_n_elems(args+1); push_array(a); } } #ifdef DEBUG void f__verify_internals(INT32 args) { INT32 tmp=d_flag; d_flag=0x7fffffff; do_debug(); d_flag=tmp; do_gc(); pop_n_elems(args); } void f__debug(INT32 args) { INT32 i=d_flag; get_all_args("_debug",args,"%i",&d_flag); pop_n_elems(args); push_int(i); } #ifdef YYDEBUG void f__compiler_trace(INT32 args) { extern int yydebug; INT32 i = yydebug; get_all_args("_compiler_trace", args, "%i", &yydebug); pop_n_elems(args); push_int(i); } #endif /* YYDEBUG */ #endif #if defined(HAVE_LOCALTIME) || defined(HAVE_GMTIME) static void encode_struct_tm(struct tm *tm) { push_string(make_shared_string("sec")); push_int(tm->tm_sec); push_string(make_shared_string("min")); push_int(tm->tm_min); push_string(make_shared_string("hour")); push_int(tm->tm_hour); push_string(make_shared_string("mday")); push_int(tm->tm_mday); push_string(make_shared_string("mon")); push_int(tm->tm_mon); push_string(make_shared_string("year")); push_int(tm->tm_year); push_string(make_shared_string("wday")); push_int(tm->tm_wday); push_string(make_shared_string("yday")); push_int(tm->tm_yday); push_string(make_shared_string("isdst")); push_int(tm->tm_isdst); } #endif #ifdef HAVE_GMTIME void f_gmtime(INT32 args) { struct tm *tm; time_t t; if (args<1 || sp[-1].type!=T_INT) PIKE_ERROR("localtime", "Bad argument to localtime", sp, args); t=sp[-1].u.integer; tm=gmtime(&t); pop_n_elems(args); encode_struct_tm(tm); push_string(make_shared_string("timezone")); push_int(0); f_aggregate_mapping(20); } #endif #ifdef HAVE_LOCALTIME void f_localtime(INT32 args) { struct tm *tm; time_t t; if (args<1 || sp[-1].type!=T_INT) PIKE_ERROR("localtime", "Bad argument to localtime", sp, args); t=sp[-1].u.integer; tm=localtime(&t); pop_n_elems(args); encode_struct_tm(tm); #ifdef HAVE_EXTERNAL_TIMEZONE push_string(make_shared_string("timezone")); push_int(timezone); f_aggregate_mapping(20); #else #ifdef STRUCT_TM_HAS_GMTOFF push_string(make_shared_string("timezone")); push_int(tm->tm_gmtoff); f_aggregate_mapping(20); #else f_aggregate_mapping(18); #endif #endif } #endif #ifdef HAVE_MKTIME static void f_mktime (INT32 args) { INT32 sec, min, hour, mday, mon, year, isdst; struct tm date; struct svalue s; struct svalue * r; int retval; if (args<1) PIKE_ERROR("mktime", "Too few arguments.\n", sp, args); if(args == 1) { MEMSET(&date, 0, sizeof(date)); push_text("sec"); push_text("min"); push_text("hour"); push_text("mday"); push_text("mon"); push_text("year"); push_text("isdst"); push_text("timezone"); f_aggregate(8); f_rows(2); sp--; push_array_items(sp->u.array); args=8; } get_all_args("mktime",args, "%i%i%i%i%i%i", &sec, &min, &hour, &mday, &mon, &year); MEMSET(&date, 0, sizeof(date)); date.tm_sec=sec; date.tm_min=min; date.tm_hour=hour; date.tm_mday=mday; date.tm_mon=mon; date.tm_year=year; if(sp[6-args].subtype == NUMBER_NUMBER) { date.tm_isdst=sp[6-args].u.integer; }else{ date.tm_isdst=-1; } #if STRUCT_TM_HAS_GMTOFF if(sp[7-args].subtype == NUMBER_NUMBER) { date.tm_gmtoff=sp[7-args].u.intger; }else{ time_t tmp=0; data.tm_gmtoff=localtime(&t).tm_gmtoff; } retval=mktime(&date); #else #ifdef HAVE_EXTERNAL_TIMEZONE if(sp[7-args].subtype == NUMBER_NUMBER) { retval=mktime(&date) + sp[7-args].u.integer - timezone; }else{ retval=mktime(&date); } #else retval=mktime(&date); #endif #endif if (retval == -1) PIKE_ERROR("mktime", "Cannot convert.\n", sp, args); pop_n_elems(args); push_int(retval); } #endif /* Check if the string s[0..len[ matches the glob m[0..mlen[ */ static int does_match(struct pike_string *s,int j, struct pike_string *m,int i) { for (; i<m->len; i++) { switch (index_shared_string(m,i)) { case '?': if(j++>=s->len) return 0; break; case '*': i++; if (i==m->len) return 1; /* slut */ for (;j<s->len;j++) if (does_match(s,j,m,i)) return 1; return 0; default: if(j>=s->len || index_shared_string(m,i)!=index_shared_string(s,j)) return 0; j++; } } return j==s->len; } void f_glob(INT32 args) { INT32 i,matches; struct array *a; struct svalue *sval, tmp; struct pike_string *glob; if(args < 2) PIKE_ERROR("glob", "Too few arguments.\n", sp, args); if(args > 2) pop_n_elems(args-2); args=2; if (sp[-args].type!=T_STRING) PIKE_ERROR("glob", "Bad argument 2.\n", sp, args); glob=sp[-args].u.string; switch(sp[1-args].type) { case T_STRING: i=does_match(sp[1-args].u.string,0,glob,0); pop_n_elems(2); push_int(i); break; case T_ARRAY: a=sp[1-args].u.array; matches=0; for(i=0;i<a->size;i++) { if(ITEM(a)[i].type != T_STRING) PIKE_ERROR("glob", "Bad argument 2.\n", sp, args); if(does_match(ITEM(a)[i].u.string,0,glob,0)) { add_ref(ITEM(a)[i].u.string); push_string(ITEM(a)[i].u.string); matches++; } } f_aggregate(matches); tmp=sp[-1]; sp--; pop_n_elems(2); sp[0]=tmp; sp++; break; default: PIKE_ERROR("glob", "Bad argument 2.\n", sp, args); } } /* longest_ordered_sequence */ static int find_gt(struct array *a, int i, int *stack, int top) { struct svalue *x = a->item + i; int l,h; if (!top || !is_lt(x, a->item + stack[top - 1])) return top; l = 0; h = top; while (l < h) { int middle = (l + h)/2; if (!is_gt(a->item + stack[middle], x)) { l = middle+1; } else { h = middle; } } return l; } static struct array *longest_ordered_sequence(struct array *a) { int *stack; int *links; int i,j,top=0,l=0,ltop=-1; struct array *res; ONERROR tmp; ONERROR tmp2; stack = malloc(sizeof(int)*a->size); links = malloc(sizeof(int)*a->size); if (!stack || !links) { if (stack) free(stack); if (links) free(links); return 0; } /* is_gt(), is_lt() and low_allocate_array() can generate errors. */ SET_ONERROR(tmp, free, stack); SET_ONERROR(tmp2, free, links); for (i=0; i<a->size; i++) { int pos; pos = find_gt(a, i, stack, top); if (pos == top) { top++; ltop = i; } if (pos != 0) links[i] = stack[pos-1]; else links[i] = -1; stack[pos] = i; } /* FIXME(?) memory unfreed upon error here */ res = low_allocate_array(top, 0); while (ltop != -1) { res->item[--top].u.integer = ltop; ltop = links[ltop]; } UNSET_ONERROR(tmp2); UNSET_ONERROR(tmp); free(stack); free(links); return res; } static void f_longest_ordered_sequence(INT32 args) { struct array *a = NULL; get_all_args("Array.longest_ordered_sequence", args, "%a", &a); /* THREADS_ALLOW(); */ a = longest_ordered_sequence(a); /* THREADS_DISALLOW(); */ if (!a) { PIKE_ERROR("Array.longest_ordered_sequence", "Out of memory", sp, args); } pop_n_elems(args); push_array(a); } /**** diff ************************************************************/ static struct array* diff_compare_table(struct array *a,struct array *b,int *u) { struct array *res; struct mapping *map; struct svalue *pval; int i; if (u) { *u = 0; /* Unique rows in array b */ } map=allocate_mapping(256); push_mapping(map); /* in case of out of memory */ for (i=0; i<b->size; i++) { pval=low_mapping_lookup(map,b->item+i); if (!pval) { struct svalue val; val.type=T_ARRAY; val.u.array=low_allocate_array(1,1); val.u.array->item[0].type=T_INT; val.u.array->item[0].subtype=NUMBER_NUMBER; val.u.array->item[0].u.integer=i; mapping_insert(map,b->item+i,&val); free_svalue(&val); if (u) { (*u)++; } } else { pval->u.array=resize_array(pval->u.array,pval->u.array->size+1); pval->u.array->item[pval->u.array->size-1].type=T_INT; pval->u.array->item[pval->u.array->size-1].subtype=NUMBER_NUMBER; pval->u.array->item[pval->u.array->size-1].u.integer=i; } } res=low_allocate_array(a->size,0); for (i=0; i<a->size; i++) { pval=low_mapping_lookup(map,a->item+i); if (!pval) { res->item[i].type=T_ARRAY; add_ref(res->item[i].u.array=&empty_array); } else { assign_svalue(res->item+i,pval); } } pop_stack(); return res; } struct diff_magic_link { int x; int refs; struct diff_magic_link *prev; }; struct diff_magic_link_pool { struct diff_magic_link *firstfree; struct diff_magic_link_pool *next; int firstfreenum; struct diff_magic_link dml[1]; }; struct diff_magic_link_head { unsigned int depth; struct diff_magic_link *link; }; #define DMLPOOLSIZE 16384 static int dmls=0; static INLINE struct diff_magic_link_pool* dml_new_pool(struct diff_magic_link_pool **pools) { struct diff_magic_link_pool *new; new=malloc(sizeof(struct diff_magic_link_pool)+ sizeof(struct diff_magic_link)*DMLPOOLSIZE); if (!new) return NULL; /* fail */ new->firstfreenum=0; new->firstfree=NULL; new->next=*pools; *pools=new; return *pools; } static INLINE struct diff_magic_link* dml_new(struct diff_magic_link_pool **pools) { struct diff_magic_link *new; struct diff_magic_link_pool *pool; dmls++; if ( *pools && (new=(*pools)->firstfree) ) { (*pools)->firstfree=new->prev; new->prev=NULL; return new; } pool=*pools; while (pool) { if (pool->firstfreenum<DMLPOOLSIZE) return pool->dml+(pool->firstfreenum++); pool=pool->next; } if ( (pool=dml_new_pool(pools)) ) { pool->firstfreenum=1; return pool->dml; } return NULL; } static INLINE void dml_free_pools(struct diff_magic_link_pool *pools) { struct diff_magic_link_pool *pool; while (pools) { pool=pools->next; free(pools); pools=pool; } } static INLINE void dml_delete(struct diff_magic_link_pool *pools, struct diff_magic_link *dml) { if (dml->prev && !--dml->prev->refs) dml_delete(pools,dml->prev); dmls--; dml->prev=pools->firstfree; pools->firstfree=dml; } static INLINE int diff_ponder_stack(int x, struct diff_magic_link **dml, int top) { int middle,a,b; a=0; b=top; while (b>a) { middle=(a+b)/2; if (dml[middle]->x<x) a=middle+1; else if (dml[middle]->x>x) b=middle; else return middle; } if (a<top && dml[a]->x<x) a++; return a; } static INLINE int diff_ponder_array(int x, struct svalue *arr, int top) { int middle,a,b; a=0; b=top; while (b>a) { middle=(a+b)/2; if (arr[middle].u.integer<x) a=middle+1; else if (arr[middle].u.integer>x) b=middle; else return middle; } if (a<top && arr[a].u.integer<x) a++; return a; } /* * The Grubba-Mirar Longest Common Sequence algorithm. * * This algorithm is O((Na * Nb / K)*lg(Na * Nb / K)), where: * * Na == sizeof(a) * Nb == sizeof(b) * K == sizeof(correlation(a,b)) * * For binary data: * K == 256 => O(Na * Nb * lg(Na * Nb)), * Na ~= Nb ~= N => O(N² * lg(N)) * * For ascii data: * K ~= C * min(Na, Nb), C constant => O(max(Na, Nb)*lg(max(Na,Nb))), * Na ~= Nb ~= N => O(N * lg(N)) * * diff_longest_sequence() takes two arguments: * cmptbl == diff_compare_table(a, b) * blen == sizeof(b) >= max(@(cmptbl*({}))) */ static struct array *diff_longest_sequence(struct array *cmptbl, int blen) { int i,j,top=0,lsize=0; struct array *a; struct diff_magic_link_pool *pools=NULL; struct diff_magic_link *dml; struct diff_magic_link **stack; char *marks; stack = malloc(sizeof(struct diff_magic_link*)*cmptbl->size); if (!stack) error("diff_longest_sequence(): Out of memory\n"); /* NB: marks is used for optimization purposes only */ marks = calloc(blen,1); if (!marks) { free(stack); error("diff_longest_sequence(): Out of memory\n"); } #ifdef DIFF_DEBUG fprintf(stderr, "\n\nDIFF: sizeof(cmptbl)=%d, blen=%d\n", cmptbl->size, blen); #endif /* DIFF_DEBUG */ for (i = 0; i<cmptbl->size; i++) { struct svalue *inner=cmptbl->item[i].u.array->item; #ifdef DIFF_DEBUG fprintf(stderr, "DIFF: i=%d\n", i); #endif /* DIFF_DEBUG */ for (j = cmptbl->item[i].u.array->size; j--;) { int x = inner[j].u.integer; #ifdef DIFF_DEBUG fprintf(stderr, "DIFF: j=%d, x=%d\n", j, x); #endif /* DIFF_DEBUG */ #ifdef DEBUG if (x >= blen) { fatal("diff_longest_sequence(): x:%d >= blen:%d\n", x, blen); } else if (x < 0) { fatal("diff_longest_sequence(): x:%d < 0\n", x); } #endif /* DEBUG */ if (!marks[x]) { int pos; if (top && x<=stack[top-1]->x) { /* Find the insertion point. */ pos = diff_ponder_stack(x, stack, top); if (pos != top) { /* Not on the stack anymore. */ marks[stack[pos]->x] = 0; } } else pos=top; #ifdef DIFF_DEBUG fprintf(stderr, "DIFF: pos=%d\n", pos); #endif /* DIFF_DEBUG */ /* This part is only optimization (j accelleration). */ if (pos && j) { if (!marks[inner[j-1].u.integer]) { /* Find the element to insert. */ j = diff_ponder_array(stack[pos-1]->x+1, inner, j); x = inner[j].u.integer; } } else { j = 0; x = inner->u.integer; } #ifdef DIFF_DEBUG fprintf(stderr, "DIFF: New j=%d, x=%d\n", j, x); #endif /* DIFF_DEBUG */ #ifdef DEBUG if (x >= blen) { fatal("diff_longest_sequence(): x:%d >= blen:%d\n", x, blen); } else if (x < 0) { fatal("diff_longest_sequence(): x:%d < 0\n", x); } #endif /* DEBUG */ /* Put x on the stack. */ marks[x] = 1; if (pos == top) { #ifdef DIFF_DEBUG fprintf(stderr, "DIFF: New top element\n"); #endif /* DIFF_DEBUG */ if (! (dml=dml_new(&pools)) ) { dml_free_pools(pools); free(stack); error("diff_longest_sequence(): Out of memory\n"); } dml->x = x; dml->refs = 1; if (pos) (dml->prev = stack[pos-1])->refs++; else dml->prev = NULL; top++; stack[pos] = dml; } else if (pos && stack[pos]->refs == 1 && stack[pos-1] == stack[pos]->prev) { #ifdef DIFF_DEBUG fprintf(stderr, "DIFF: Optimized case\n"); #endif /* DIFF_DEBUG */ /* Optimization. */ stack[pos]->x = x; } else { #ifdef DIFF_DEBUG fprintf(stderr, "DIFF: Generic case\n"); #endif /* DIFF_DEBUG */ if (! (dml=dml_new(&pools)) ) { dml_free_pools(pools); free(stack); error("diff_longest_sequence: Out of memory\n"); } dml->x = x; dml->refs = 1; if (pos) (dml->prev = stack[pos-1])->refs++; else dml->prev = NULL; if (!--stack[pos]->refs) dml_delete(pools, stack[pos]); stack[pos] = dml; } #ifdef DIFF_DEBUG } else { fprintf(stderr, "DIFF: Already marked (%d)!\n", marks[x]); #endif /* DIFF_DEBUG */ } } #ifdef DIFF_DEBUG for(j=0; j < top; j++) { fprintf(stderr, "DIFF: stack:%d, mark:%d\n", stack[j]->x, marks[stack[j]->x]); } #endif /* DIFF_DEBUG */ } /* No need for marks anymore. */ free(marks); /* FIXME(?) memory unfreed upon error here. */ a=low_allocate_array(top,0); if (top) { dml=stack[top-1]; while (dml) { a->item[--top].u.integer=dml->x; dml=dml->prev; } } free(stack); dml_free_pools(pools); return a; } /* * The dynamic programming Longest Common Sequence algorithm. * * This algorithm is O(Na * Nb), where: * * Na == sizeof(a) * Nb == sizeof(b) * * This makes it faster than the G-M algorithm on binary data, * but slower on ascii data. * * NOT true! The G-M algorithm seems to be faster on most data anyway. * /grubba 1998-05-19 */ static struct array *diff_dyn_longest_sequence(struct array *cmptbl, int blen) { struct array *res = NULL; struct diff_magic_link_head *table = NULL; struct diff_magic_link_pool *dml_pool = NULL; struct diff_magic_link *dml; unsigned int sz = (unsigned int)cmptbl->size; unsigned int i; unsigned int off1 = 0; unsigned int off2 = blen + 1; unsigned int l1 = 0; unsigned int l2 = 0; table = calloc(sizeof(struct diff_magic_link_head)*2, off2); if (!table) { error("diff_dyn_longest_sequence(): Out of memory"); } /* FIXME: Assumes NULL is represented with all zeroes */ /* NOTE: Scan strings backwards to get the same result as the G-M * algorithm. */ for (i = sz; i--;) { struct array *boff = cmptbl->item[i].u.array; #ifdef DIFF_DEBUG fprintf(stderr, " i:%d\n", i); #endif /* DIFF_DEBUG */ if (boff->size) { unsigned int bi; unsigned int base = blen; unsigned int tmp = off1; off1 = off2; off2 = tmp; for (bi = boff->size; bi--;) { unsigned int ib = boff->item[bi].u.integer; #ifdef DIFF_DEBUG fprintf(stderr, " Range [%d - %d] differ\n", base - 1, ib + 1); #endif /* DIFF_DEBUG */ while ((--base) > ib) { /* Differ */ if (table[off1 + base].link) { if (!--(table[off1 + base].link->refs)) { dml_delete(dml_pool, table[off1 + base].link); } } /* FIXME: Should it be > or >= here to get the same result * as with the G-M algorithm? */ if (table[off2 + base].depth > table[off1 + base + 1].depth) { table[off1 + base].depth = table[off2 + base].depth; dml = (table[off1 + base].link = table[off2 + base].link); } else { table[off1 + base].depth = table[off1 + base + 1].depth; dml = (table[off1 + base].link = table[off1 + base + 1].link); } if (dml) { dml->refs++; } } /* Equal */ #ifdef DIFF_DEBUG fprintf(stderr, " Equal\n"); #endif /* DIFF_DEBUG */ if (table[off1 + ib].link) { if (!--(table[off1 + ib].link->refs)) { dml_delete(dml_pool, table[off1 + ib].link); } } table[off1 + ib].depth = table[off2 + ib + 1].depth + 1; dml = (table[off1 + ib].link = dml_new(&dml_pool)); if (!dml) { dml_free_pools(dml_pool); free(table); error("diff_dyn_longest_sequence(): Out of memory"); } dml->refs = 1; dml->prev = table[off2 + ib + 1].link; if (dml->prev) { dml->prev->refs++; } dml->x = ib; } #ifdef DIFF_DEBUG fprintf(stderr, " Range [0 - %d] differ\n", base-1); #endif /* DIFF_DEBUG */ while (base--) { /* Differ */ if (table[off1 + base].link) { if (!--(table[off1 + base].link->refs)) { dml_delete(dml_pool, table[off1 + base].link); } } /* FIXME: Should it be > or >= here to get the same result * as with the G-M algorithm? */ if (table[off2 + base].depth > table[off1 + base + 1].depth) { table[off1 + base].depth = table[off2 + base].depth; dml = (table[off1 + base].link = table[off2 + base].link); } else { table[off1 + base].depth = table[off1 + base + 1].depth; dml = (table[off1 + base].link = table[off1 + base + 1].link); } if (dml) { dml->refs++; } } } } /* Convert table into res */ sz = table[off1].depth; dml = table[off1].link; free(table); #ifdef DIFF_DEBUG fprintf(stderr, "Result array size:%d\n", sz); #endif /* DIFF_DEBUG */ res = allocate_array(sz); if (!res) { if (dml_pool) { dml_free_pools(dml_pool); } error("diff_dyn_longest_sequence(): Out of memory"); } i = 0; while(dml) { #ifdef DEBUG if (i >= sz) { fatal("Consistency error in diff_dyn_longest_sequence()\n"); } #endif /* DEBUG */ #ifdef DIFF_DEBUG fprintf(stderr, " %02d: %d\n", i, dml->x); #endif /* DIFF_DEBUG */ res->item[i].type = T_INT; res->item[i].subtype = 0; res->item[i].u.integer = dml->x; dml = dml->prev; i++; } #ifdef DEBUG if (i != sz) { fatal("Consistency error in diff_dyn_longest_sequence()\n"); } #endif /* DEBUG */ dml_free_pools(dml_pool); return(res); } static struct array* diff_build(struct array *a, struct array *b, struct array *seq) { struct array *ad,*bd; int bi,ai,lbi,lai,i,eqstart; /* FIXME(?) memory unfreed upon error here (and later) */ ad=low_allocate_array(0,32); bd=low_allocate_array(0,32); eqstart=0; lbi=bi=ai=-1; for (i=0; i<seq->size; i++) { bi=seq->item[i].u.integer; if (bi!=lbi+1 || !is_equal(a->item+ai+1,b->item+bi)) { /* insert the equality */ if (lbi>=eqstart) { push_array(friendly_slice_array(b,eqstart,lbi+1)); ad=append_array(ad,sp-1); bd=append_array(bd,sp-1); pop_stack(); } /* insert the difference */ lai=ai; ai=array_search(a,b->item+bi,ai+1)-1; push_array(friendly_slice_array(b,lbi+1,bi)); bd=append_array(bd, sp-1); pop_stack(); push_array(friendly_slice_array(a,lai+1,ai+1)); ad=append_array(ad,sp-1); pop_stack(); eqstart=bi; } ai++; lbi=bi; } if (lbi>=eqstart) { push_array(friendly_slice_array(b,eqstart,lbi+1)); ad=append_array(ad,sp-1); bd=append_array(bd,sp-1); pop_stack(); } if (b->size>bi+1 || a->size>ai+1) { push_array(friendly_slice_array(b,lbi+1,b->size)); bd=append_array(bd, sp-1); pop_stack(); push_array(friendly_slice_array(a,ai+1,a->size)); ad=append_array(ad,sp-1); pop_stack(); } push_array(ad); push_array(bd); return aggregate_array(2); } void f_diff(INT32 args) { struct array *seq; struct array *cmptbl; struct array *diff; int uniq; if (args<2) PIKE_ERROR("diff", "Too few arguments.\n", sp, args); if (sp[-args].type!=T_ARRAY || sp[1-args].type!=T_ARRAY) PIKE_ERROR("diff", "Bad arguments.\n", sp, args); cmptbl = diff_compare_table(sp[-args].u.array, sp[1-args].u.array, &uniq); push_array(cmptbl); #ifdef ENABLE_DYN_DIFF if (uniq * 100 > sp[1-args].u.array->size) { #endif /* ENABLE_DYN_DIFF */ #ifdef DIFF_DEBUG fprintf(stderr, "diff: Using G-M algorithm, u:%d, s:%d\n", uniq, sp[1-args].u.array->size); #endif /* DIFF_DEBUG */ seq = diff_longest_sequence(cmptbl, sp[1-1-args].u.array->size); #ifdef ENABLE_DYN_DIFF } else { #ifdef DIFF_DEBUG fprintf(stderr, "diff: Using dyn algorithm, u:%d, s:%d\n", uniq, sp[1-args].u.array->size); #endif /* DIFF_DEBUG */ seq = diff_dyn_longest_sequence(cmptbl, sp[1-1-args].u.array->size); } #endif /* ENABLE_DYN_DIFF */ push_array(seq); diff=diff_build(sp[-2-args].u.array,sp[1-2-args].u.array,seq); pop_n_elems(2+args); push_array(diff); } void f_diff_compare_table(INT32 args) { struct array *cmptbl; if (args<2) PIKE_ERROR("diff_compare_table", "Too few arguments.\n", sp, args); if (sp[-args].type!=T_ARRAY || sp[1-args].type!=T_ARRAY) PIKE_ERROR("diff_compare_table", "Bad arguments.\n", sp, args); cmptbl=diff_compare_table(sp[-args].u.array,sp[1-args].u.array,NULL); pop_n_elems(args); push_array(cmptbl); } void f_diff_longest_sequence(INT32 args) { struct array *seq; struct array *cmptbl; if (args<2) PIKE_ERROR("diff_longest_sequence", "Too few arguments.\n", sp, args); if (sp[-args].type!=T_ARRAY || sp[1-args].type!=T_ARRAY) PIKE_ERROR("diff_longest_sequence", "Bad arguments.\n", sp, args); cmptbl = diff_compare_table(sp[-args].u.array,sp[1-args].u.array, NULL); push_array(cmptbl); /* Note that the stack is one element off here. */ seq = diff_longest_sequence(cmptbl, sp[1-1-args].u.array->size); pop_n_elems(args+1); push_array(seq); } void f_diff_dyn_longest_sequence(INT32 args) { struct array *seq; struct array *cmptbl; if (args<2) PIKE_ERROR("diff_dyn_longest_sequence", "Too few arguments.\n", sp, args); if (sp[-args].type!=T_ARRAY || sp[1-args].type!=T_ARRAY) PIKE_ERROR("diff_dyn_longest_sequence", "Bad arguments.\n", sp, args); cmptbl=diff_compare_table(sp[-args].u.array,sp[1-args].u.array, NULL); push_array(cmptbl); /* Note that the stack is one element off here. */ seq = diff_dyn_longest_sequence(cmptbl, sp[1-1-args].u.array->size); pop_n_elems(args); push_array(seq); } /**********************************************************************/ static struct callback_list memory_usage_callback; struct callback *add_memory_usage_callback(callback_func call, void *arg, callback_func free_func) { return add_to_callback(&memory_usage_callback, call, arg, free_func); } void f__memory_usage(INT32 args) { INT32 num,size; struct svalue *ss; pop_n_elems(args); ss=sp; count_memory_in_mappings(&num, &size); push_text("num_mappings"); push_int(num); push_text("mapping_bytes"); push_int(size); count_memory_in_strings(&num, &size); push_text("num_strings"); push_int(num); push_text("string_bytes"); push_int(size); count_memory_in_arrays(&num, &size); push_text("num_arrays"); push_int(num); push_text("array_bytes"); push_int(size); count_memory_in_programs(&num,&size); push_text("num_programs"); push_int(num); push_text("program_bytes"); push_int(size); count_memory_in_multisets(&num, &size); push_text("num_multisets"); push_int(num); push_text("multiset_bytes"); push_int(size); count_memory_in_objects(&num, &size); push_text("num_objects"); push_int(num); push_text("object_bytes"); push_int(size); count_memory_in_callbacks(&num, &size); push_text("num_callbacks"); push_int(num); push_text("callback_bytes"); push_int(size); count_memory_in_callables(&num, &size); push_text("num_callables"); push_int(num); push_text("callable_bytes"); push_int(size); call_callback(&memory_usage_callback, (void *)0); f_aggregate_mapping(sp-ss); } void f__next(INT32 args) { struct svalue tmp; if(!args) PIKE_ERROR("_next", "Too few arguments.\n", sp, args); pop_n_elems(args-1); tmp=sp[-1]; switch(tmp.type) { case T_OBJECT: tmp.u.object=tmp.u.object->next; break; case T_ARRAY: tmp.u.array=tmp.u.array->next; break; case T_MAPPING: tmp.u.mapping=tmp.u.mapping->next; break; case T_MULTISET:tmp.u.multiset=tmp.u.multiset->next; break; case T_PROGRAM: tmp.u.program=tmp.u.program->next; break; case T_STRING: tmp.u.string=tmp.u.string->next; break; default: PIKE_ERROR("_next", "Bad argument 1.\n", sp, args); } if(tmp.u.refs) { assign_svalue(sp-1,&tmp); }else{ pop_stack(); push_int(0); } } void f__prev(INT32 args) { struct svalue tmp; if(!args) PIKE_ERROR("_prev", "Too few arguments.\n", sp, args); pop_n_elems(args-1); tmp=sp[-1]; switch(tmp.type) { case T_OBJECT: tmp.u.object=tmp.u.object->prev; break; case T_ARRAY: tmp.u.array=tmp.u.array->prev; break; case T_MAPPING: tmp.u.mapping=tmp.u.mapping->prev; break; case T_MULTISET:tmp.u.multiset=tmp.u.multiset->prev; break; case T_PROGRAM: tmp.u.program=tmp.u.program->prev; break; default: PIKE_ERROR("_prev", "Bad argument 1.\n", sp, args); } if(tmp.u.refs) { assign_svalue(sp-1,&tmp); }else{ pop_stack(); push_int(0); } } void f__refs(INT32 args) { INT32 i; if(!args) PIKE_ERROR("_refs", "Too few arguments.\n", sp, args); if(sp[-args].type > MAX_REF_TYPE) PIKE_ERROR("refs", "Bad argument 1.\n", sp, args); i=sp[-args].u.refs[0]; pop_n_elems(args); push_int(i); } void f_replace_master(INT32 args) { if(!args) PIKE_ERROR("replace_master", "Too few arguments.\n", sp, 0); if(sp[-args].type != T_OBJECT) PIKE_ERROR("replace_master", "Bad argument 1.\n", sp, args); if(!sp[-args].u.object->prog) PIKE_ERROR("replace_master", "Called with destructed object.\n", sp, args); free_object(master_object); master_object=sp[-args].u.object; add_ref(master_object); free_program(master_program); master_program=master_object->prog; add_ref(master_program); pop_n_elems(args); } void f_master(INT32 args) { pop_n_elems(args); ref_push_object(master()); } #ifdef HAVE_GETHRVTIME #include <sys/time.h> void f_gethrvtime(INT32 args) { pop_n_elems(args); push_int((INT32)(gethrvtime()/1000)); } void f_gethrtime(INT32 args) { pop_n_elems(args); if(args) push_int((INT32)(gethrtime())); else push_int((INT32)(gethrtime()/1000)); } #else void f_gethrtime(INT32 args) { struct timeval tv; pop_n_elems(args); GETTIMEOFDAY(&tv); if(args) push_int((INT32)((tv.tv_sec *1000000) + tv.tv_usec)*1000); else push_int((INT32)((tv.tv_sec *1000000) + tv.tv_usec)); } #endif /* HAVE_GETHRVTIME */ #ifdef PROFILING static void f_get_prof_info(INT32 args) { struct program *prog = 0; int num_functions; int i; if (!args) { PIKE_ERROR("get_profiling_info", "Too few arguments.\n", sp, args); } prog = program_from_svalue(sp-args); if(!prog) PIKE_ERROR("get_profiling_info", "Bad argument 1.\n", sp, args); add_ref(prog); pop_n_elems(args); /* ({ num_clones, ([ "fun_name":({ num_calls }) ]) }) */ push_int(prog->num_clones); for(num_functions=i=0; i<(int)prog->num_identifiers; i++) { if (prog->identifiers[i].num_calls) { num_functions++; add_ref(prog->identifiers[i].name); push_string(prog->identifiers[i].name); push_int(prog->identifiers[i].num_calls); push_int(prog->identifiers[i].total_time); f_aggregate(2); } } f_aggregate_mapping(num_functions * 2); f_aggregate(2); } #endif /* PROFILING */ void f_object_variablep(INT32 args) { struct object *o; struct pike_string *s; int ret; get_all_args("variablep",args,"%o%S",&o, &s); if(!o->prog) PIKE_ERROR("variablep", "Called on destructed object.\n", sp, args); ret=find_shared_string_identifier(s,o->prog); if(ret!=-1) { ret=IDENTIFIER_IS_VARIABLE(ID_FROM_INT(o->prog, ret)->identifier_flags); }else{ ret=0; } pop_n_elems(args); push_int(!!ret); } void f_splice(INT32 args) { struct array *out; INT32 size=0x7fffffff; INT32 i,j,k; #ifdef DEBUG if(args < 0) fatal("Negative args to f_splice()\n"); #endif for(i=0;i<args;i++) if (sp[i-args].type!=T_ARRAY) error("Illegal argument %d to splice.\n", (i+1)); else if (sp[i-args].u.array->size < size) size=sp[i-args].u.array->size; out=allocate_array(args * size); if (!args) { push_array(out); return; } out->type_field=0; for(i=-args; i<0; i++) out->type_field|=sp[i].u.array->type_field; for(k=j=0; j<size; j++) for(i=-args; i<0; i++) assign_svalue_no_free(out->item+(k++), sp[i].u.array->item+j); pop_n_elems(args); push_array(out); return; } void f_everynth(INT32 args) { INT32 k,n=2; INT32 start=0; struct array *a; struct array *ina; INT32 size=0; #ifdef DEBUG if(args < 0) fatal("Negative args to f_everynth()\n"); #endif check_all_args("everynth",args, BIT_ARRAY, BIT_INT | BIT_VOID, BIT_INT | BIT_VOID , 0); switch(args) { default: case 3: start=sp[2-args].u.integer; if(start<0) error("Third argument to everynth is negative.\n"); case 2: n=sp[1-args].u.integer; if(n<1) error("Second argument to everynth is negative.\n"); case 1: ina=sp[-args].u.array; } a=allocate_array(((size=ina->size)-start+n-1)/n); for(k=0; start<size; start+=n) assign_svalue_no_free(a->item+(k++), ina->item+start); a->type_field=ina->type_field; pop_n_elems(args); push_array(a); return; } void f_transpose(INT32 args) { struct array *out; struct array *in; struct array *outinner; struct array *ininner; INT32 sizeininner=0,sizein=0; INT32 inner=0; INT32 j,i; TYPE_FIELD type=0; #ifdef DEBUG if(args < 0) fatal("Negative args to f_transpose()\n"); #endif if (args<1) error("No arguments given to transpose.\n"); if (sp[-args].type!=T_ARRAY) error("Illegal argument 1 to transpose.\n"); in=sp[-args].u.array; sizein=in->size; if(!sizein) { pop_n_elems(args); out=allocate_array(0); push_array(out); return; } if(in->type_field != BIT_ARRAY) { array_fix_type_field(in); if(!in->type_field || in->type_field & ~BIT_ARRAY) error("The array given as argument 1 to transpose must contain arrays only.\n"); } sizeininner=in->item->u.array->size; for(i=1 ; i<sizein; i++) if (sizeininner!=(in->item+i)->u.array->size) error("The array given as argument 1 to transpose must contain arrays of the same size.\n"); out=allocate_array(sizeininner); for(i=0; i<sizein; i++) type|=in->item->u.array->type_field; for(j=0; j<sizeininner; j++) { struct svalue * ett; struct svalue * tva; outinner=allocate_array(sizein); ett=outinner->item; tva=in->item; for(i=0; i<sizein; i++) assign_svalue_no_free(ett+i, tva[i].u.array->item+j); outinner->type_field=type; out->item[j].u.array=outinner; out->item[j].type=T_ARRAY; } out->type_field=BIT_ARRAY; pop_n_elems(args); push_array(out); return; } #ifdef DEBUG_MALLOC void f__reset_dmalloc(INT32 args) { pop_n_elems(args); reset_debug_malloc(); } #endif #ifdef DEBUG void f__locate_references(INT32 args) { if(args) locate_references(sp[-args].u.refs); pop_n_elems(args-1); } #endif void f_map_array(INT32 args) { ONERROR tmp; INT32 e; struct svalue *fun; struct array *ret,*foo; if (args < 2) error("Bad number of arguments to " "map_array(array, function, mixed ...).\n"); if(sp[-args].type != T_ARRAY) error("Bad argument 1 to map_array().\n"); foo=sp[-args].u.array; fun=sp-args+1; ret=allocate_array(foo->size); SET_ONERROR(tmp, do_free_array, ret); for(e=0;e<foo->size;e++) { push_svalue(foo->item+e); assign_svalues_no_free(sp,fun+1,args-2,-1); sp+=args-2; apply_svalue(fun,args-1); ret->item[e]=*(--sp); } pop_n_elems(args); UNSET_ONERROR(tmp); push_array(ret); } void init_builtin_efuns(void) { add_efun("gethrtime", f_gethrtime,"function(int|void:int)", OPT_EXTERNAL_DEPEND); #ifdef HAVE_GETHRVTIME add_efun("gethrvtime",f_gethrvtime,"function(void:int)",OPT_EXTERNAL_DEPEND); #endif #ifdef PROFILING add_efun("get_profiling_info", f_get_prof_info, "function(program:array)", OPT_EXTERNAL_DEPEND); #endif /* PROFILING */ add_efun("_refs",f__refs,"function(function|string|array|mapping|multiset|object|program:int)",OPT_EXTERNAL_DEPEND); add_efun("replace_master",f_replace_master,"function(object:void)",OPT_SIDE_EFFECT); add_efun("master",f_master,"function(:object)",OPT_EXTERNAL_DEPEND); add_efun("add_constant",f_add_constant,"function(string,void|mixed:void)",OPT_SIDE_EFFECT); add_efun("aggregate",f_aggregate,"function(0=mixed ...:array(0))",OPT_TRY_OPTIMIZE); add_efun("aggregate_multiset",f_aggregate_multiset,"function(0=mixed ...:multiset(0))",OPT_TRY_OPTIMIZE); add_efun("aggregate_mapping",f_aggregate_mapping,"function(0=mixed ...:mapping(0:0))",OPT_TRY_OPTIMIZE); add_efun("all_constants",f_all_constants,"function(:mapping(string:mixed))",OPT_EXTERNAL_DEPEND); add_efun("allocate", f_allocate, "function(int,void|0=mixed:array(0))", 0); add_efun("arrayp", f_arrayp, "function(mixed:int)",0); add_efun("backtrace",f_backtrace,"function(:array(array(function|int|string)))",OPT_EXTERNAL_DEPEND); add_efun("column",f_column,"function(array,mixed:array)",0); add_efun("combine_path",f_combine_path,"function(string...:string)",0); add_efun("compile",f_compile,"function(string,mixed...:program)",OPT_EXTERNAL_DEPEND); add_efun("copy_value",f_copy_value,"function(1=mixed:1)",0); add_efun("crypt",f_crypt,"function(string:string)|function(string,string:int)",OPT_EXTERNAL_DEPEND); add_efun("ctime",f_ctime,"function(int:string)",OPT_TRY_OPTIMIZE); add_efun("destruct",f_destruct,"function(object|void:void)",OPT_SIDE_EFFECT); add_efun("equal",f_equal,"function(mixed,mixed:int)",OPT_TRY_OPTIMIZE); add_function("everynth",f_everynth,"function(array(0=mixed),int|void,int|void:array(0))", 0); add_efun("exit",f_exit,"function(int:void)",OPT_SIDE_EFFECT); add_efun("_exit",f__exit,"function(int:void)",OPT_SIDE_EFFECT); add_efun("floatp", f_floatp, "function(mixed:int)",OPT_TRY_OPTIMIZE); add_efun("function_name",f_function_name,"function(function:string)",OPT_TRY_OPTIMIZE); add_efun("function_object",f_function_object,"function(function:object)",OPT_TRY_OPTIMIZE); add_efun("functionp", f_functionp, "function(mixed:int)",OPT_TRY_OPTIMIZE); add_efun("glob",f_glob,"function(string,string:int)|function(string,string*:array(string))",OPT_TRY_OPTIMIZE); add_efun("hash",f_hash,"function(string,int|void:int)",OPT_TRY_OPTIMIZE); add_efun("indices",f_indices,"function(string|array:int*)|function(mapping(1=mixed:mixed)|multiset(1=mixed):array(1))|function(object|program:string*)",0); add_efun("intp", f_intp, "function(mixed:int)",OPT_TRY_OPTIMIZE); add_efun("multisetp", f_multisetp, "function(mixed:int)",OPT_TRY_OPTIMIZE); add_efun("lower_case",f_lower_case,"function(string:string)",OPT_TRY_OPTIMIZE); add_efun("m_delete",f_m_delete,"function(0=mapping,mixed:0)",0); add_efun("mappingp",f_mappingp,"function(mixed:int)",OPT_TRY_OPTIMIZE); add_efun("mkmapping",f_mkmapping,"function(array(1=mixed),array(2=mixed):mapping(1:2))",OPT_TRY_OPTIMIZE); add_efun("next_object",f_next_object,"function(void|object:object)",OPT_EXTERNAL_DEPEND); add_efun("_next",f__next,"function(string:string)|function(object:object)|function(mapping:mapping)|function(multiset:multiset)|function(program:program)|function(array:array)",OPT_EXTERNAL_DEPEND); add_efun("_prev",f__prev,"function(object:object)|function(mapping:mapping)|function(multiset:multiset)|function(program:program)|function(array:array)",OPT_EXTERNAL_DEPEND); add_efun("object_program",f_object_program,"function(mixed:program)",0); add_efun("objectp", f_objectp, "function(mixed:int)",0); add_efun("programp",f_programp,"function(mixed:int)",0); add_efun("query_num_arg",f_query_num_arg,"function(:int)",OPT_EXTERNAL_DEPEND); add_efun("random",f_random,"function(int:int)",OPT_EXTERNAL_DEPEND); add_efun("random_seed",f_random_seed,"function(int:void)",OPT_SIDE_EFFECT); add_efun("replace",f_replace,"function(string,string,string:string)|function(string,string*,string*:string)|function(0=array,mixed,mixed:0)|function(1=mapping,mixed,mixed:1)",0); add_efun("reverse",f_reverse,"function(int:int)|function(string:string)|function(array:array)",0); add_efun("rows",f_rows,"function(mixed,array:array)",0); add_efun("rusage", f_rusage, "function(:int *)",OPT_EXTERNAL_DEPEND); add_efun("search",f_search,"function(string,string,void|int:int)|function(array,mixed,void|int:int)|function(mapping,mixed:mixed)",0); add_efun("sleep", f_sleep, "function(float|int,int|void:void)",OPT_SIDE_EFFECT); add_efun("sort",f_sort,"function(array(0=mixed),array(mixed)...:array(0))",OPT_SIDE_EFFECT); add_function("splice",f_splice,"function(array(0=mixed)...:array(0))", 0); add_efun("stringp", f_stringp, "function(mixed:int)",0); add_efun("this_object", f_this_object, "function(:object)",OPT_EXTERNAL_DEPEND); add_efun("throw",f_throw,"function(mixed:void)",OPT_SIDE_EFFECT); add_efun("time",f_time,"function(void|int:int|float)",OPT_EXTERNAL_DEPEND); add_efun("trace",f_trace,"function(int:int)",OPT_SIDE_EFFECT); add_function("transpose",f_transpose,"function(array(0=mixed):array(0))", 0); add_efun("upper_case",f_upper_case,"function(string:string)",0); add_efun("values",f_values,"function(string|multiset:array(int))|function(array(0=mixed)|mapping(mixed:0=mixed)|object|program:array(0))",0); add_efun("zero_type",f_zero_type,"function(mixed:int)",0); add_efun("array_sscanf",f_sscanf,"function(string,string:array)",0); /* Some Wide-string stuff */ add_efun("string_to_unicode", f_string_to_unicode, "function(string:string)", OPT_TRY_OPTIMIZE); add_efun("unicode_to_string", f_unicode_to_string, "function(string:string)", OPT_TRY_OPTIMIZE); #ifdef HAVE_LOCALTIME add_efun("localtime",f_localtime,"function(int:mapping(string:int))",OPT_EXTERNAL_DEPEND); #endif #ifdef HAVE_GMTIME add_efun("gmtime",f_gmtime,"function(int:mapping(string:int))",OPT_EXTERNAL_DEPEND); #endif #ifdef HAVE_MKTIME add_efun("mktime",f_mktime,"function(int,int,int,int,int,int,int,void|int:int)|function(object|mapping:int)",OPT_TRY_OPTIMIZE); #endif #ifdef DEBUG add_efun("_verify_internals",f__verify_internals,"function(:void)",OPT_SIDE_EFFECT|OPT_EXTERNAL_DEPEND); add_efun("_debug",f__debug,"function(int:int)",OPT_SIDE_EFFECT|OPT_EXTERNAL_DEPEND); #ifdef YYDEBUG add_efun("_compiler_trace",f__compiler_trace,"function(int:int)",OPT_SIDE_EFFECT|OPT_EXTERNAL_DEPEND); #endif /* YYDEBUG */ #endif add_efun("_memory_usage",f__memory_usage,"function(:mapping(string:int))",OPT_EXTERNAL_DEPEND); add_efun("gc",f_gc,"function(:int)",OPT_SIDE_EFFECT); add_efun("version", f_version, "function(:string)", OPT_TRY_OPTIMIZE); add_efun("encode_value", f_encode_value, "function(mixed,void|object:string)", OPT_TRY_OPTIMIZE); add_efun("decode_value", f_decode_value, "function(string,void|object:mixed)", OPT_TRY_OPTIMIZE); add_efun("object_variablep", f_object_variablep, "function(object,string:int)", OPT_EXTERNAL_DEPEND); add_function("diff",f_diff,"function(array,array:array(array))",OPT_TRY_OPTIMIZE); add_function("diff_longest_sequence",f_diff_longest_sequence,"function(array,array:array(int))",OPT_TRY_OPTIMIZE); add_function("diff_dyn_longest_sequence",f_diff_dyn_longest_sequence,"function(array,array:array(int))",OPT_TRY_OPTIMIZE); add_function("diff_compare_table",f_diff_compare_table,"function(array,array:array(array))",OPT_TRY_OPTIMIZE); add_function("longest_ordered_sequence",f_longest_ordered_sequence,"function(array:array(int))",0); add_function("sort",f_sort,"function(array(mixed),array(mixed)...:array(mixed))",OPT_SIDE_EFFECT); #ifdef DEBUG_MALLOC add_efun("_reset_dmalloc",f__reset_dmalloc,"function(void:void)",OPT_SIDE_EFFECT); #endif #ifdef DEBUG add_efun("_locate_references",f__locate_references,"function(1=mixed:1)",OPT_SIDE_EFFECT); #endif }

pike.git/ src/ builtin_functions.c > 43bf15c34889a5550616bf4c5bfdb119ae663496 [Annotate]