pike.git/src/builtin_functions.c:0713e9593c3fa2cdcbec2e60d33618a6f877e5db

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4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 /*\ ||| 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 1.159 1999/03/20 02:31:55 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 "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" #include "security.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 PIKE_DEBUG if(args < 0) fatal("Negative args to f_aggregate() (%d)\n",args); #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) SIMPLE_TOO_FEW_ARGS_ERROR("hash",1); if(sp[-args].type != T_STRING) SIMPLE_BAD_ARG_ERROR("hash", 1, "string"); switch(sp[-args].u.string->size_shift) { case 0: i=hashstr((unsigned char *)sp[-args].u.string->str,100); break; case 1: i=simple_hashmem((unsigned char *)sp[-args].u.string->str, sp[-args].u.string->len << 1, 200); break; case 2: i=simple_hashmem((unsigned char *)sp[-args].u.string->str, sp[-args].u.string->len << 2, 400); break; default: fatal("Foo!\n"); } if(args > 1) { if(sp[1-args].type != T_INT) SIMPLE_BAD_ARG_ERROR("hash",2,"int"); 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) SIMPLE_TOO_FEW_ARGS_ERROR("copy_value",1); 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; INT_TYPE x; get_all_args("ctime",args,"%i",&x); i=(time_t)x; pop_n_elems(args); push_string(make_shared_string(ctime(&i))); } struct case_info { int low; /* low end of range. */ int mode; int data; }; #define CIM_NONE 0 /* Case-less */ #define CIM_UPPER 1 /* Upper-case, lower-case in data */ #define CIM_LOWER 2 /* Lower-case, upper-case in data */ #define CIM_CASEBIT 3 /* Some case, case mask in data */ #define CIM_CASEBITOFF 4 /* Same as above, but also offset by data */ static struct case_info case_info[] = { #include "case_info.h" { 0x10000, CIM_NONE, 0x0000, }, /* End sentinel. */ }; static struct case_info *find_ci(int c) { static struct case_info *cache = NULL; struct case_info ci = cache; int lo = 0; int hi = NELEM(case_info); if ((c < 0) || (c > 0xffff)) return NULL; if ((ci) && (ci[0].low <= c) && (ci[1].low > c)) { return ci; } while (lo != hi-1) { int mid = (lo + hi)/2; if (case_info[mid].low < c) { lo = mid; } else if (case_info[mid].low == c) { lo = mid; break; } else { hi = mid; } } return(cache = case_info + lo); } #define DO_LOWER_CASE(C) do {\ int c = C; \ struct case_info *ci = find_ci(c); \ if (ci) { \ switch(ci->mode) { \ case CIM_NONE: case CIM_LOWER: break; \ case CIM_UPPER: C = ci->data; break; \ case CIM_CASEBIT: C |= ci->data; break; \ case CIM_CASEBITOFF: C = ((c - ci->data) | ci->data) + ci->data; break; \ default: fatal("lower_case(): Unknown case_info mode: %d\n", ci->mode); \ } \ } while(0) #define DO_UPPER_CASE(C) do {\ int c = C; \ struct case_info *ci = find_ci(c); \ if (ci) { \ switch(ci->mode) { \ case CIM_NONE: case CIM_UPPER: break; \ case CIM_LOWER: C = ci->data; break; \ case CIM_CASEBIT: C &= ~ci->data; break; \ case CIM_CASEBITOFF: C = ((c - ci->data)& ~ci->data) + ci->data; break; \ default: fatal("lower_case(): Unknown case_info mode: %d\n", ci->mode); \ } \ } while(0) void f_lower_case(INT32 args) { INT32 i; struct pike_string *orig; struct pike_string *ret; get_all_args("lower_case", args, "%W", &orig); ret = begin_wide_shared_string(orig->len, orig->size_shift); MEMCPY(ret->str, orig->str, orig->len << orig->size_shift); i = orig->len; if (!orig->size_shift) { p_wchar0 *str = STR0(ret); while(i--) { DO_LOWER_CASE(str[i]); } } else if (orig->size_shift == 1) { p_wchar1 *str = STR1(ret); while(i--) { DO_LOWER_CASE(str[i]); } } else if (orig->size_shift == 2) { p_wchar2 *str = STR2(ret); while(i--) { DO_LOWER_CASE(str[i]); } } else { fatal("lower_case(): Bad string shift:%d\n", orig->size_shift); } pop_n_elems(args); push_string(end_shared_string(ret)); } void f_upper_case(INT32 args) { INT32 i; struct pike_string *orig; struct pike_string *ret; int widen = 0; get_all_args("upper_case",args,"%W",&orig); ret=begin_wide_shared_string(orig->len); MEMCPY(ret->str, orig->str, orig->len); i = orig->len; if (!orig->size_shift) { p_wchar0 *str = STR0(ret); while(i--) { if (str[i] != 0xff) { DO_UPPER_CASE(str[i]); } else { widen = 1; } } } else if (orig->size_shift == 1) { p_wchar1 *str = STR1(ret); while(i--) { DO_UPPER_CASE(str[i]); } } else if (orig->size_shift == 2) { p_wchar2 *str = STR2(ret); while(i--) { DO_UPPER_CASE(str[i]); } } else { fatal("lower_case(): Bad string shift:%d\n", orig->size_shift); } pop_n_elems(args); push_string(end_shared_string(ret)); if (widen) { /* Widen the string, and replace any 0xff's with 0x178's. */ orig = sp[-1].u.string; ret = begin_wide_shared_string(orig->len, 1); i = orig->len; while(i--) { if ((ret[i] = orig[i]) == 0xff) { ret[i] = 0x178; } } free_string(sp[-1].u.string); sp[-1].u.string = end_shared_string(ret); } } void f_random(INT32 args) { INT_TYPE i; get_all_args("random",args,"%i",&i); if(i <= 0) { i = 0; }else{ i = my_rand() % i; } pop_n_elems(args); push_int(i); } void f_random_seed(INT32 args) { INT_TYPE i; get_all_args("random_seed",args,"%i",&i); my_srand(i); 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 pike_frame *f,*of; struct array *a,*i; frames=0; if(args) pop_n_elems(args); for(f=fp;f;f=f->next) frames++; sp->type=T_ARRAY; sp->u.array=a=allocate_array_no_init(frames,0); sp++; /* NOTE: The first pike_frame is ignored, since it is the call to backtrace(). */ of=0; for(f=fp;f;f=(of=f)->next) { 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) { CHECK_SECURITY_OR_ERROR(SECURITY_BIT_SECURITY, ("add_constant: permission denied.\n")); 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 PIKE_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) SIMPLE_TOO_FEW_ARGS_ERROR("function_object",1); if(sp[-args].type != T_FUNCTION) SIMPLE_BAD_ARG_ERROR("function_object",1,"function"); 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) SIMPLE_TOO_FEW_ARGS_ERROR("function_name",1); if(sp[-args].type != T_FUNCTION) SIMPLE_BAD_ARG_ERROR("function_name",1,"function"); 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) SIMPLE_TOO_FEW_ARGS_ERROR("zero_type",1); 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 + 1] = 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 (PIKE_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 + 1] = c & 0xff; out->str[i * 2] = 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 PIKE_DEBUG if (j) { fatal("string_to_unicode(): Indexing error: len:%d, j:%d.\n", len, j); } #endif /* PIKE_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 (PIKE_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] = (((unsigned char *)in->str)[i*2]<<8) + ((unsigned char *)in->str)[i*2 + 1]; } } #endif /* PIKE_BYTEORDER == 4321 */ out = end_shared_string(out); pop_n_elems(args); push_string(out); } void f_string_to_utf8(INT32 args) { int len; struct pike_string *in; struct pike_string *out; int i,j; int extended = 0; get_all_args("string_to_utf8", args, "%W", &in); if (args > 1) { if (sp[1-args].type != T_INT) { error("string_to_utf8(): Bad argument 2, expected int|void.\n"); } extended = sp[1-args].u.integer; } len = in->len; for(i=0; i < in->len; i++) { unsigned INT32 c = index_shared_string(in, i); if (c & ~0x7f) { /* 8bit or more. */ len++; if (c & ~0x7ff) { /* 12bit or more. */ len++; if (c & ~0xffff) { /* 17bit or more. */ len++; if (c & ~0x1fffff) { /* 22bit or more. */ len++; if (c & ~0x3ffffff) { /* 27bit or more. */ len++; if (c & ~0x7fffffff) { /* 32bit or more. */ if (!extended) { error("string_to_utf8(): " "Value 0x%08x (index %d) is larger than 31 bits.\n", c, i); } len++; /* FIXME: Needs fixing when we get 64bit chars... */ } } } } } } } if (len == in->len) { /* 7bit string -- already valid utf8. */ pop_n_elems(args - 1); return; } out = begin_shared_string(len); for(i=j=0; i < in->len; i++) { unsigned INT32 c = index_shared_string(in, i); if (!(c & ~0x7f)) { /* 7bit */ out->str[j++] = c; } else if (!(c & ~0x7ff)) { /* 11bit */ out->str[j++] = 0xc0 | (c >> 6); out->str[j++] = 0x80 | (c & 0x3f); } else if (!(c & ~0xffff)) { /* 16bit */ out->str[j++] = 0xe0 | (c >> 12); out->str[j++] = 0x80 | ((c >> 6) & 0x3f); out->str[j++] = 0x80 | (c & 0x3f); } else if (!(c & ~0x1fffff)) { /* 21bit */ out->str[j++] = 0xf0 | (c >> 18); out->str[j++] = 0x80 | ((c >> 12) & 0x3f); out->str[j++] = 0x80 | ((c >> 6) & 0x3f); out->str[j++] = 0x80 | (c & 0x3f); } else if (!(c & ~0x3ffffff)) { /* 26bit */ out->str[j++] = 0xf8 | (c >> 24); out->str[j++] = 0x80 | ((c >> 18) & 0x3f); out->str[j++] = 0x80 | ((c >> 12) & 0x3f); out->str[j++] = 0x80 | ((c >> 6) & 0x3f); out->str[j++] = 0x80 | (c & 0x3f); } else if (!(c & ~0x7fffffff)) { /* 31bit */ out->str[j++] = 0xfc | (c >> 30); out->str[j++] = 0x80 | ((c >> 24) & 0x3f); out->str[j++] = 0x80 | ((c >> 18) & 0x3f); out->str[j++] = 0x80 | ((c >> 12) & 0x3f); out->str[j++] = 0x80 | ((c >> 6) & 0x3f); out->str[j++] = 0x80 | (c & 0x3f); } else { /* This and onwards is extended UTF-8 encoding. */ /* 32 - 36bit */ out->str[j++] = 0xfe; out->str[j++] = 0x80 | ((c >> 30) & 0x3f); out->str[j++] = 0x80 | ((c >> 24) & 0x3f); out->str[j++] = 0x80 | ((c >> 18) & 0x3f); out->str[j++] = 0x80 | ((c >> 12) & 0x3f); out->str[j++] = 0x80 | ((c >> 6) & 0x3f); out->str[j++] = 0x80 | (c & 0x3f); } } #ifdef PIKE_DEBUG if (len != j) { fatal("string_to_utf8(): Calculated and actual lengths differ: %d != %d\n", len, j); } #endif /* PIKE_DEBUG */ out = end_shared_string(out); pop_n_elems(args); push_string(out); } void f_utf8_to_string(INT32 args) { struct pike_string *in; struct pike_string *out; int len = 0; int shift = 0; int i,j; int extended = 0; get_all_args("utf8_to_string", args, "%S", &in); if (args > 1) { if (sp[1-args].type != T_INT) { error("utf8_to_string(): Bad argument 2, expected int|void.\n"); } extended = sp[1-args].u.integer; } for(i=0; i < in->len; i++) { unsigned int c = ((unsigned char *)in->str)[i]; len++; if (c & 0x80) { int cont = 0; if ((c & 0xc0) == 0x80) { error("utf8_to_string(): " "Unexpected continuation block 0x%02x at index %d.\n", c, i); } if ((c & 0xe0) == 0xc0) { /* 11bit */ cont = 1; if (c & 0x1c) { if (shift < 1) { shift = 1; } } } else if ((c & 0xf0) == 0xe0) { /* 16bit */ cont = 2; if (shift < 1) { shift = 1; } } else { shift = 2; if ((c & 0xf8) == 0xf0) { /* 21bit */ cont = 3; } else if ((c & 0xfc) == 0xf8) { /* 26bit */ cont = 4; } else if ((c & 0xfe) == 0xfc) { /* 31bit */ cont = 5; } else if (c == 0xfe) { /* 36bit */ if (!extended) { error("utf8_to_string(): " "Character 0xfe at index %d when not in extended mode.\n", i); } cont = 6; } else { error("utf8_to_string(): " "Unexpected character 0xff at index %d.\n", i); } } while(cont--) { i++; if (i >= in->len) { error("utf8_to_string(): Truncated UTF8 sequence.\n"); } c = ((unsigned char *)(in->str))[i]; if ((c & 0xc0) != 0x80) { error("utf8_to_string(): " "Expected continuation character at index %d (got 0x%02x).\n", i, c); } } } } if (len == in->len) { /* 7bit in == 7bit out */ pop_n_elems(args-1); return; } out = begin_wide_shared_string(len, shift); for(j=i=0; i < in->len; i++) { unsigned int c = ((unsigned char *)in->str)[i]; if (c & 0x80) { int cont = 0; /* NOTE: The tests aren't as paranoid here, since we've * already tested the string above. */ if ((c & 0xe0) == 0xc0) { /* 11bit */ cont = 1; c &= 0x1f; } else if ((c & 0xf0) == 0xe0) { /* 16bit */ cont = 2; c &= 0x0f; } else if ((c & 0xf8) == 0xf0) { /* 21bit */ cont = 3; c &= 0x07; } else if ((c & 0xfc) == 0xf8) { /* 26bit */ cont = 4; c &= 0x03; } else if ((c & 0xfe) == 0xfc) { /* 31bit */ cont = 5; c &= 0x01; } else { /* 36bit */ cont = 6; c = 0; } while(cont--) { unsigned INT32 c2 = ((unsigned char *)(in->str))[++i] & 0x3f; c = (c << 6) | c2; } } low_set_index(out, j++, c); } #ifdef PIKE_DEBUG if (j != len) { fatal("utf8_to_string(): Calculated and actual lengths differ: %d != %d\n", len, j); } #endif /* PIKE_DEBUG */ 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) SIMPLE_TOO_FEW_ARGS_ERROR("allocate",1); if(sp[-args].type!=T_INT) SIMPLE_BAD_ARG_ERROR("allocate",1,"int"); 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) { CHECK_SECURITY_OR_ERROR(SECURITY_BIT_SECURITY, ("exit: permission denied.\n")); 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) { CHECK_SECURITY_OR_ERROR(SECURITY_BIT_SECURITY, ("_exit: permission denied.\n")); 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[-args].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 { int prefix; struct pike_string *ind; struct pike_string *val; }; static int replace_sortfun(struct tupel *a,struct tupel *b) { return my_quick_strcmp(a->ind,b->ind); } /* Magic, magic and more magic */ static int find_longest_prefix(char *str, INT32 len, int size_shift, struct tupel *v, INT32 a, INT32 b) { INT32 tmp,c,match=-1; while(a<b) { c=(a+b)/2; tmp=generic_quick_binary_strcmp(v[c].ind->str, v[c].ind->len, v[c].ind->size_shift, str, MINIMUM(len,v[c].ind->len), size_shift); if(tmp<0) { INT32 match2=find_longest_prefix(str, len, size_shift, v, c+1, b); if(match2!=-1) return match2; while(1) { if(v[c].prefix==-2) { v[c].prefix=find_longest_prefix(v[c].ind->str, v[c].ind->len, v[c].ind->size_shift, v, 0 /* can this be optimized? */, c); } c=v[c].prefix; if(c<a || c<match) return match; if(!generic_quick_binary_strcmp(v[c].ind->str, v[c].ind->len, v[c].ind->size_shift, str, MINIMUM(len,v[c].ind->len), size_shift)) return c; } } else if(tmp>0) { b=c; } else { a=c+1; /* There might still be a better match... */ match=c; } } return match; } 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; v[num].prefix=-2; /* Uninitialized */ 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,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; a=find_longest_prefix(str->str+(s << str->size_shift), length, str->size_shift, v, a, b); if(a!=-1) { ch=v[a].ind->len; if(!ch) ch=1; s+=ch; length-=ch; 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 0 if(sp[-args].u.string->size_shift) PIKE_ERROR("compile", "Wide strings not supported yet.\n", sp, args); #endif /* 0 */ 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_set_weak_flag(INT32 args) { int ret; struct mapping *m; get_all_args("set_weak_flag",args,"%m%i",&m,&ret); if(ret) { ret=m->flags & MAPPING_FLAG_WEAK; m->flags|=MAPPING_FLAG_WEAK; }else{ ret=m->flags & MAPPING_FLAG_WEAK; m->flags&=~MAPPING_FLAG_WEAK; } pop_n_elems(args); push_int(!!ret); } 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 PIKE_DEBUG void f__verify_internals(INT32 args) { INT32 tmp=d_flag; CHECK_SECURITY_OR_ERROR(SECURITY_BIT_SECURITY, ("_verify_internals: permission denied.\n")); d_flag=0x7fffffff; do_debug(); d_flag=tmp; do_gc(); pop_n_elems(args); } void f__debug(INT32 args) { INT32 i=d_flag; CHECK_SECURITY_OR_ERROR(SECURITY_BIT_SECURITY, ("_debug: permission denied.\n")); 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; CHECK_SECURITY_OR_ERROR(SECURITY_BIT_SECURITY, ("_compiler_trace: permission denied.\n")); 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); } } /* comb_merge */ /* mixed interleave_array(array(mapping(int:mixed)) tab) */ static void f_interleave_array(INT32 args) { struct array *arr = NULL; struct array *min = NULL; struct array *order = NULL; int max = 0; int ok; int nelems = 0; int i; get_all_args("interleave_array", args, "%a", &arr); /* We're not interrested in any other arguments. */ pop_n_elems(args-1); if ((ok = arr->type_field & BIT_MAPPING) && (arr->type_field & ~BIT_MAPPING)) { /* Might be ok, but do some more checking... */ for(i = 0; i < arr->size; i++) { if (ITEM(arr)[i].type != T_MAPPING) { ok = 0; break; } } } if (!ok) { error("interleave_array(): Expected array(mapping(int:mixed))\n"); } /* The order array */ ref_push_array(arr); f_indices(1); order = sp[-1].u.array; /* The min array */ push_array(min = allocate_array(arr->size)); /* Initialize the min array */ for (i = 0; i < arr->size; i++) { struct mapping *m; /* e and k are used by MAPPING_LOOP() */ INT32 e; struct keypair *k; INT_TYPE low = 0x7fffffff; #ifdef PIKE_DEBUG if (ITEM(arr)[i].type != T_MAPPING) { error("interleave_array(): Element %d is not a mapping!\n", i); } #endif /* PIKE_DEBUG */ m = ITEM(arr)[i].u.mapping; MAPPING_LOOP(m) { if (k->ind.type != T_INT) { error("interleave_array(): Index not an integer in mapping %d!\n", i); } if (low > k->ind.u.integer) { low = k->ind.u.integer; if (low < 0) { error("interleave_array(): Index %d in mapping %d is negative!\n", low, i); } } if (max < k->ind.u.integer) { max = k->ind.u.integer; } nelems++; } /* FIXME: Is this needed? Isn't T_INT default? */ ITEM(min)[i].u.integer = low; } ref_push_array(order); f_sort(2); /* Sort the order array on the minimum index */ /* State on stack now: * * array(mapping(int:mixed)) arr * array(int) order * array(int) min (now sorted) */ /* Now we can start with the real work... */ { char *tab; int size; int minfree = 0; /* Initialize the lookup table */ max += 1; max *= 2; /* max will be the padding at the end. */ size = (nelems + max) * 8; /* Initial size */ if (!(tab = malloc(size + max))) { error("interleave_array(): Out of memory!\n"); } MEMSET(tab, 0, size + max); for (i = 0; i < order->size; i++) { int low = ITEM(min)[i].u.integer; int j = ITEM(order)[i].u.integer; int offset = 0; struct mapping *m; INT32 e; struct keypair *k; if (!(m = ITEM(arr)[j].u.mapping)->size) { /* Not available */ ITEM(min)[i].u.integer = -1; continue; } if (low < minfree) { offset = minfree - low; } else { minfree = offset; } ok = 0; while (!ok) { ok = 1; MAPPING_LOOP(m) { int ind = k->ind.u.integer; if (tab[offset + ind]) { ok = 0; while (tab[++offset + ind]) ; } } } MAPPING_LOOP(m) { tab[offset + k->ind.u.integer] = 1; } while(tab[minfree]) { minfree++; } ITEM(min)[i].u.integer = offset; /* Check need for realloc */ if (offset >= size) { char *newtab = realloc(tab, size*2 + max); if (!newtab) { free(tab); error("interleave_array(): Couldn't extend table!\n"); } tab = newtab; MEMSET(tab + size + max, 0, size); size = size * 2; } } free(tab); } /* We want these two to survive the stackpopping. */ add_ref(min); add_ref(order); pop_n_elems(3); /* Return value */ ref_push_array(min); /* Restore the order */ push_array(order); push_array(min); f_sort(2); pop_stack(); } /* 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 PIKE_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 /* PIKE_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 PIKE_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 /* PIKE_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 PIKE_DEBUG if (i >= sz) { fatal("Consistency error in diff_dyn_longest_sequence()\n"); } #endif /* PIKE_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 PIKE_DEBUG if (i != sz) { fatal("Consistency error in diff_dyn_longest_sequence()\n"); } #endif /* PIKE_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; CHECK_SECURITY_OR_ERROR(SECURITY_BIT_SECURITY, ("_next: permission denied.\n")); 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; CHECK_SECURITY_OR_ERROR(SECURITY_BIT_SECURITY, ("_prev: permission denied.\n")); 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__typeof(INT32 args) { INT32 i; struct pike_string *s,*t; if(!args) PIKE_ERROR("_typeof", "Too few arguments.\n", sp, args); low_init_threads_disable(); s=get_type_of_svalue(sp-args); t=describe_type(s); exit_threads_disable(NULL); free_string(s); pop_n_elems(args); push_string(t); } void f_replace_master(INT32 args) { CHECK_SECURITY_OR_ERROR(SECURITY_BIT_SECURITY, ("replace_master: permission denied.\n")); 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); push_int(prog->identifiers[i].self_time); f_aggregate(3); } } 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 PIKE_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 PIKE_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 PIKE_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[i].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) { CHECK_SECURITY_OR_ERROR(SECURITY_BIT_SECURITY, ("replace_master: permission denied.\n")); pop_n_elems(args); reset_debug_malloc(); } #endif #ifdef PIKE_DEBUG void f__locate_references(INT32 args) { CHECK_SECURITY_OR_ERROR(SECURITY_BIT_SECURITY, ("replace_master: permission denied.\n")); if(args) locate_references(sp[-args].u.refs); pop_n_elems(args-1); } void f__describe(INT32 args) { debug_describe_svalue(sp-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,tFunc(tOr(tInt,tVoid),tInt), OPT_EXTERNAL_DEPEND); #ifdef HAVE_GETHRVTIME ADD_EFUN("gethrvtime",f_gethrvtime,tFunc(tVoid,tInt),OPT_EXTERNAL_DEPEND); #endif #ifdef PROFILING ADD_EFUN("get_profiling_info", f_get_prof_info, tFunc(tPrg,tArray), OPT_EXTERNAL_DEPEND); #endif /* PROFILING */ ADD_EFUN("_refs",f__refs,tFunc(tRef,tInt),OPT_EXTERNAL_DEPEND); ADD_EFUN("_typeof",f__typeof,tFunc(tMix,tStr),0); ADD_EFUN("replace_master",f_replace_master,tFunc(tObj,tVoid),OPT_SIDE_EFFECT); /* function(:object) */ ADD_EFUN("master",f_master,tFunc(,tObj),OPT_EXTERNAL_DEPEND); /* function(string,void|mixed:void) */ ADD_EFUN("add_constant",f_add_constant,tFunc(tStr tOr(tVoid,tMix),tVoid),OPT_SIDE_EFFECT); /* function(0=mixed ...:array(0)) */ ADD_EFUN("aggregate",f_aggregate,tFuncV(,tSetvar(0,tMix),tArr(tVar(0))),OPT_TRY_OPTIMIZE); /* function(0=mixed ...:multiset(0)) */ ADD_EFUN("aggregate_multiset",f_aggregate_multiset,tFuncV(,tSetvar(0,tMix),tSet(tVar(0))),OPT_TRY_OPTIMIZE); /* function(0=mixed ...:mapping(0:0)) */ ADD_EFUN("aggregate_mapping",f_aggregate_mapping,tFuncV(,tSetvar(0,tMix),tMap(tVar(0),tVar(0))),OPT_TRY_OPTIMIZE); /* function(:mapping(string:mixed)) */ ADD_EFUN("all_constants",f_all_constants,tFunc(,tMap(tStr,tMix)),OPT_EXTERNAL_DEPEND); /* function(int,void|0=mixed:array(0)) */ ADD_EFUN("allocate", f_allocate,tFunc(tInt tOr(tVoid,tSetvar(0,tMix)),tArr(tVar(0))), 0); /* function(mixed:int) */ ADD_EFUN("arrayp", f_arrayp,tFunc(tMix,tInt),0); /* function(:array(array(function|int|string))) */ ADD_EFUN("backtrace",f_backtrace,tFunc(,tArr(tArr(tOr3(tFunction,tInt,tStr)))),OPT_EXTERNAL_DEPEND); /* function(array,mixed:array) */ ADD_EFUN("column",f_column,tFunc(tArray tMix,tArray),0); /* function(string...:string) */ ADD_EFUN("combine_path",f_combine_path,tFuncV(,tStr,tStr),0); /* function(string,mixed...:program) */ ADD_EFUN("compile",f_compile,tFuncV(tStr,tMix,tPrg),OPT_EXTERNAL_DEPEND); /* function(1=mixed:1) */ ADD_EFUN("copy_value",f_copy_value,tFunc(tSetvar(1,tMix),tVar(1)),0); /* function(string:string)|function(string,string:int) */ ADD_EFUN("crypt",f_crypt,tOr(tFunc(tStr,tStr),tFunc(tStr tStr,tInt)),OPT_EXTERNAL_DEPEND); /* function(int:string) */ ADD_EFUN("ctime",f_ctime,tFunc(tInt,tStr),OPT_TRY_OPTIMIZE); /* function(object|void:void) */ ADD_EFUN("destruct",f_destruct,tFunc(tOr(tObj,tVoid),tVoid),OPT_SIDE_EFFECT); /* function(mixed,mixed:int) */ ADD_EFUN("equal",f_equal,tFunc(tMix tMix,tInt),OPT_TRY_OPTIMIZE); /* function(array(0=mixed),int|void,int|void:array(0)) */ ADD_FUNCTION("everynth",f_everynth,tFunc(tArr(tSetvar(0,tMix)) tOr(tInt,tVoid) tOr(tInt,tVoid),tArr(tVar(0))), 0); /* function(int:void) */ ADD_EFUN("exit",f_exit,tFunc(tInt,tVoid),OPT_SIDE_EFFECT); /* function(int:void) */ ADD_EFUN("_exit",f__exit,tFunc(tInt,tVoid),OPT_SIDE_EFFECT); /* function(mixed:int) */ ADD_EFUN("floatp", f_floatp,tFunc(tMix,tInt),OPT_TRY_OPTIMIZE); /* function(function:string) */ ADD_EFUN("function_name",f_function_name,tFunc(tFunction,tStr),OPT_TRY_OPTIMIZE); /* function(function:object) */ ADD_EFUN("function_object",f_function_object,tFunc(tFunction,tObj),OPT_TRY_OPTIMIZE); /* function(mixed:int) */ ADD_EFUN("functionp", f_functionp,tFunc(tMix,tInt),OPT_TRY_OPTIMIZE); /* function(string,string:int)|function(string,string*:array(string)) */ ADD_EFUN("glob",f_glob,tOr(tFunc(tStr tStr,tInt),tFunc(tStr tArr(tStr),tArr(tStr))),OPT_TRY_OPTIMIZE); /* function(string,int|void:int) */ ADD_EFUN("hash",f_hash,tFunc(tStr tOr(tInt,tVoid),tInt),OPT_TRY_OPTIMIZE); /* function(string|array:int*)|function(mapping(1=mixed:mixed)|multiset(1=mixed):array(1))|function(object|program:string*) */ ADD_EFUN("indices",f_indices,tOr3(tFunc(tOr(tStr,tArray),tArr(tInt)),tFunc(tOr(tMap(tSetvar(1,tMix),tMix),tSet(tSetvar(1,tMix))),tArr(tVar(1))),tFunc(tOr(tObj,tPrg),tArr(tStr))),0); /* function(mixed:int) */ ADD_EFUN("intp", f_intp,tFunc(tMix,tInt),OPT_TRY_OPTIMIZE); /* function(mixed:int) */ ADD_EFUN("multisetp", f_multisetp,tFunc(tMix,tInt),OPT_TRY_OPTIMIZE); /* function(string:string) */ ADD_EFUN("lower_case",f_lower_case,tFunc(tStr,tStr),OPT_TRY_OPTIMIZE); /* function(0=mapping,mixed:0) */ ADD_EFUN("m_delete",f_m_delete,tFunc(tSetvar(0,tMapping) tMix,tVar(0)),0); /* function(mixed:int) */ ADD_EFUN("mappingp",f_mappingp,tFunc(tMix,tInt),OPT_TRY_OPTIMIZE); /* function(array(1=mixed),array(2=mixed):mapping(1:2)) */ ADD_EFUN("mkmapping",f_mkmapping,tFunc(tArr(tSetvar(1,tMix)) tArr(tSetvar(2,tMix)),tMap(tVar(1),tVar(2))),OPT_TRY_OPTIMIZE); /* function(mapping,int:int) */ ADD_EFUN("set_weak_flag",f_set_weak_flag,tFunc(tMapping tInt,tInt),OPT_SIDE_EFFECT); /* function(void|object:object) */ ADD_EFUN("next_object",f_next_object,tFunc(tOr(tVoid,tObj),tObj),OPT_EXTERNAL_DEPEND); /* function(string:string)|function(object:object)|function(mapping:mapping)|function(multiset:multiset)|function(program:program)|function(array:array) */ ADD_EFUN("_next",f__next,tOr6(tFunc(tStr,tStr),tFunc(tObj,tObj),tFunc(tMapping,tMapping),tFunc(tMultiset,tMultiset),tFunc(tPrg,tPrg),tFunc(tArray,tArray)),OPT_EXTERNAL_DEPEND); /* function(object:object)|function(mapping:mapping)|function(multiset:multiset)|function(program:program)|function(array:array) */ ADD_EFUN("_prev",f__prev,tOr5(tFunc(tObj,tObj),tFunc(tMapping,tMapping),tFunc(tMultiset,tMultiset),tFunc(tPrg,tPrg),tFunc(tArray,tArray)),OPT_EXTERNAL_DEPEND); /* function(mixed:program) */ ADD_EFUN("object_program",f_object_program,tFunc(tMix,tPrg),0); /* function(mixed:int) */ ADD_EFUN("objectp", f_objectp,tFunc(tMix,tInt),0); /* function(mixed:int) */ ADD_EFUN("programp",f_programp,tFunc(tMix,tInt),0); /* function(:int) */ ADD_EFUN("query_num_arg",f_query_num_arg,tFunc(,tInt),OPT_EXTERNAL_DEPEND); /* function(int:int) */ ADD_EFUN("random",f_random,tFunc(tInt,tInt),OPT_EXTERNAL_DEPEND); /* function(int:void) */ ADD_EFUN("random_seed",f_random_seed,tFunc(tInt,tVoid),OPT_SIDE_EFFECT); /* function(string,string,string:string)|function(string,string*,string*:string)|function(0=array,mixed,mixed:0)|function(1=mapping,mixed,mixed:1) */ ADD_EFUN("replace",f_replace,tOr4(tFunc(tStr tStr tStr,tStr),tFunc(tStr tArr(tStr) tArr(tStr),tStr),tFunc(tSetvar(0,tArray) tMix tMix,tVar(0)),tFunc(tSetvar(1,tMapping) tMix tMix,tVar(1))),0); /* function(int:int)|function(string:string)|function(array:array) */ ADD_EFUN("reverse",f_reverse,tOr3(tFunc(tInt,tInt),tFunc(tStr,tStr),tFunc(tArray,tArray)),0); /* function(mixed,array:array) */ ADD_EFUN("rows",f_rows,tFunc(tMix tArray,tArray),0); /* function(:int *) */ ADD_EFUN("rusage", f_rusage,tFunc(,tArr(tInt)),OPT_EXTERNAL_DEPEND); /* function(string,string,void|int:int)|function(array,mixed,void|int:int)|function(mapping,mixed:mixed) */ ADD_EFUN("search",f_search,tOr3(tFunc(tStr tStr tOr(tVoid,tInt),tInt),tFunc(tArray tMix tOr(tVoid,tInt),tInt),tFunc(tMapping tMix,tMix)),0); /* function(float|int,int|void:void) */ ADD_EFUN("sleep", f_sleep,tFunc(tOr(tFlt,tInt) tOr(tInt,tVoid),tVoid),OPT_SIDE_EFFECT); /* function(array(0=mixed),array(mixed)...:array(0)) */ ADD_EFUN("sort",f_sort,tFuncV(tArr(tSetvar(0,tMix)),tArr(tMix),tArr(tVar(0))),OPT_SIDE_EFFECT); /* function(array(0=mixed)...:array(0)) */ ADD_FUNCTION("splice",f_splice,tFuncV(,tArr(tSetvar(0,tMix)),tArr(tVar(0))), 0); /* function(mixed:int) */ ADD_EFUN("stringp", f_stringp,tFunc(tMix,tInt),0); /* function(:object) */ ADD_EFUN("this_object", f_this_object,tFunc(,tObj),OPT_EXTERNAL_DEPEND); /* function(mixed:void) */ ADD_EFUN("throw",f_throw,tFunc(tMix,tVoid),OPT_SIDE_EFFECT); /* function(void|int:int|float) */ ADD_EFUN("time",f_time,tFunc(tOr(tVoid,tInt),tOr(tInt,tFlt)),OPT_EXTERNAL_DEPEND); /* function(int:int) */ ADD_EFUN("trace",f_trace,tFunc(tInt,tInt),OPT_SIDE_EFFECT); /* function(array(0=mixed):array(0)) */ ADD_FUNCTION("transpose",f_transpose,tFunc(tArr(tSetvar(0,tMix)),tArr(tVar(0))), 0); /* function(string:string) */ ADD_EFUN("upper_case",f_upper_case,tFunc(tStr,tStr),0); /* function(string|multiset:array(int))|function(array(0=mixed)|mapping(mixed:0=mixed)|object|program:array(0)) */ ADD_EFUN("values",f_values,tOr(tFunc(tOr(tStr,tMultiset),tArr(tInt)),tFunc(tOr4(tArr(tSetvar(0,tMix)),tMap(tMix,tSetvar(0,tMix)),tObj,tPrg),tArr(tVar(0)))),0); /* function(mixed:int) */ ADD_EFUN("zero_type",f_zero_type,tFunc(tMix,tInt),0); /* function(string,string:array) */ ADD_EFUN("array_sscanf",f_sscanf,tFunc(tStr tStr,tArray),0); /* Some Wide-string stuff */ /* function(string:string) */ ADD_EFUN("string_to_unicode", f_string_to_unicode,tFunc(tStr,tStr), OPT_TRY_OPTIMIZE); /* function(string:string) */ ADD_EFUN("unicode_to_string", f_unicode_to_string,tFunc(tStr,tStr), OPT_TRY_OPTIMIZE); /* function(string,int|void:string) */ ADD_EFUN("string_to_utf8", f_string_to_utf8,tFunc(tStr tOr(tInt,tVoid),tStr), OPT_TRY_OPTIMIZE); /* function(string,int|void:string) */ ADD_EFUN("utf8_to_string", f_utf8_to_string,tFunc(tStr tOr(tInt,tVoid),tStr), OPT_TRY_OPTIMIZE); #ifdef HAVE_LOCALTIME /* function(int:mapping(string:int)) */ ADD_EFUN("localtime",f_localtime,tFunc(tInt,tMap(tStr,tInt)),OPT_EXTERNAL_DEPEND); #endif #ifdef HAVE_GMTIME /* function(int:mapping(string:int)) */ ADD_EFUN("gmtime",f_gmtime,tFunc(tInt,tMap(tStr,tInt)),OPT_EXTERNAL_DEPEND); #endif #ifdef HAVE_MKTIME /* function(int,int,int,int,int,int,int,void|int:int)|function(object|mapping:int) */ ADD_EFUN("mktime",f_mktime,tOr(tFunc(tInt tInt tInt tInt tInt tInt tInt tOr(tVoid,tInt),tInt),tFunc(tOr(tObj,tMapping),tInt)),OPT_TRY_OPTIMIZE); #endif #ifdef PIKE_DEBUG /* function(:void) */ ADD_EFUN("_verify_internals",f__verify_internals,tFunc(,tVoid),OPT_SIDE_EFFECT|OPT_EXTERNAL_DEPEND); /* function(int:int) */ ADD_EFUN("_debug",f__debug,tFunc(tInt,tInt),OPT_SIDE_EFFECT|OPT_EXTERNAL_DEPEND); #ifdef YYDEBUG /* function(int:int) */ ADD_EFUN("_compiler_trace",f__compiler_trace,tFunc(tInt,tInt),OPT_SIDE_EFFECT|OPT_EXTERNAL_DEPEND); #endif /* YYDEBUG */ #endif /* function(:mapping(string:int)) */ ADD_EFUN("_memory_usage",f__memory_usage,tFunc(,tMap(tStr,tInt)),OPT_EXTERNAL_DEPEND); /* function(:int) */ ADD_EFUN("gc",f_gc,tFunc(,tInt),OPT_SIDE_EFFECT); /* function(:string) */ ADD_EFUN("version", f_version,tFunc(,tStr), OPT_TRY_OPTIMIZE); /* function(mixed,void|object:string) */ ADD_EFUN("encode_value", f_encode_value,tFunc(tMix tOr(tVoid,tObj),tStr), OPT_TRY_OPTIMIZE); /* function(string,void|object:mixed) */ ADD_EFUN("decode_value", f_decode_value,tFunc(tStr tOr(tVoid,tObj),tMix), OPT_TRY_OPTIMIZE); /* function(object,string:int) */ ADD_EFUN("object_variablep", f_object_variablep,tFunc(tObj tStr,tInt), OPT_EXTERNAL_DEPEND); /* function(array(mapping(int:mixed)):array(int)) */ ADD_FUNCTION("interleave_array",f_interleave_array,tFunc(tArr(tMap(tInt,tMix)),tArr(tInt)),OPT_TRY_OPTIMIZE); /* function(array,array:array(array)) */ ADD_FUNCTION("diff",f_diff,tFunc(tArray tArray,tArr(tArray)),OPT_TRY_OPTIMIZE); /* function(array,array:array(int)) */ ADD_FUNCTION("diff_longest_sequence",f_diff_longest_sequence,tFunc(tArray tArray,tArr(tInt)),OPT_TRY_OPTIMIZE); /* function(array,array:array(int)) */ ADD_FUNCTION("diff_dyn_longest_sequence",f_diff_dyn_longest_sequence,tFunc(tArray tArray,tArr(tInt)),OPT_TRY_OPTIMIZE); /* function(array,array:array(array)) */ ADD_FUNCTION("diff_compare_table",f_diff_compare_table,tFunc(tArray tArray,tArr(tArray)),OPT_TRY_OPTIMIZE); /* function(array:array(int)) */ ADD_FUNCTION("longest_ordered_sequence",f_longest_ordered_sequence,tFunc(tArray,tArr(tInt)),0); /* function(array(mixed),array(mixed)...:array(mixed)) */ ADD_FUNCTION("sort",f_sort,tFuncV(tArr(tMix),tArr(tMix),tArr(tMix)),OPT_SIDE_EFFECT); #ifdef DEBUG_MALLOC /* function(void:void) */ ADD_EFUN("_reset_dmalloc",f__reset_dmalloc,tFunc(tVoid,tVoid),OPT_SIDE_EFFECT); #endif #ifdef PIKE_DEBUG /* function(1=mixed:1) */ ADD_EFUN("_locate_references",f__locate_references,tFunc(tSetvar(1,tMix),tVar(1)),OPT_SIDE_EFFECT); ADD_EFUN("_describe",f__describe,tFunc(tSetvar(1,tMix),tVar(1)),OPT_SIDE_EFFECT); #endif }

pike.git/ src/ builtin_functions.c > 0713e9593c3fa2cdcbec2e60d33618a6f877e5db [Annotate]