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Diffstat (limited to 'externals/gridflow/base/main.c')
-rw-r--r-- | externals/gridflow/base/main.c | 647 |
1 files changed, 647 insertions, 0 deletions
diff --git a/externals/gridflow/base/main.c b/externals/gridflow/base/main.c new file mode 100644 index 00000000..5cdd92f4 --- /dev/null +++ b/externals/gridflow/base/main.c @@ -0,0 +1,647 @@ +/* + $Id: main.c,v 1.1 2005-10-04 02:02:13 matju Exp $ + + GridFlow + Copyright (c) 2001,2002,2003,2004 by Mathieu Bouchard + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2 + of the License, or (at your option) any later version. + + See file ../COPYING for further informations on licensing terms. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +*/ + +#include <stdlib.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <time.h> +#include <stdarg.h> +#include <string.h> +#include <signal.h> +#include <stdio.h> +#include <fcntl.h> +#include <unistd.h> +#include <stdarg.h> + +#include "grid.h.fcs" +#include "../config.h" +#include <assert.h> +#include <limits.h> + +BuiltinSymbols bsym; +GFStack gf_stack; +Ruby mGridFlow; +Ruby cFObject; + +extern "C"{ +void rb_raise0( +const char *file, int line, const char *func, VALUE exc, const char *fmt, ...) { + va_list args; + char buf[BUFSIZ]; + va_start(args,fmt); + vsnprintf(buf, BUFSIZ, fmt, args); + buf[BUFSIZ-1]=0; + va_end(args); + VALUE e = rb_exc_new2(exc, buf); + char buf2[BUFSIZ]; + snprintf(buf2, BUFSIZ, "%s:%d:in `%s'", file, line, func); + buf2[BUFSIZ-1]=0; + VALUE ary = rb_funcall(e,SI(caller),0); + if (gf_stack.n) { + rb_funcall(ary,SI(unshift),2,rb_str_new2(buf2), + rb_str_new2(INFO(gf_stack.s[gf_stack.n-1].o))); + } else { + rb_funcall(ary,SI(unshift),1,rb_str_new2(buf2)); + } + rb_funcall(e,SI(set_backtrace),1,ary); + rb_exc_raise(e); +}}; + +Ruby rb_ary_fetch(Ruby rself, int i) { + Ruby argv[] = { INT2NUM(i) }; + return rb_ary_aref(COUNT(argv),argv,rself); +} + +//---------------------------------------------------------------- +// CObject + +static void CObject_mark (void *z) {} +void CObject_free (void *foo) { + CObject *self = (CObject *)foo; + self->check_magic(); + if (!self->rself) { + fprintf(stderr,"attempt to free object that has no rself\n"); + abort(); + } + self->rself = 0; /* paranoia */ + delete self; +} + +//---------------------------------------------------------------- +// Dim + +void Dim::check() { + if (n>MAX_DIMENSIONS) RAISE("too many dimensions"); + for (int i=0; i<n; i++) if (v[i]<0) RAISE("Dim: negative dimension"); +} + +// !@#$ big leak machine? +// returns a string like "Dim[240,320,3]" +char *Dim::to_s() { + // if you blow 256 chars it's your own fault + char buf[256]; + char *s = buf; + s += sprintf(s,"Dim["); + for(int i=0; i<n; i++) s += sprintf(s,"%s%d", ","+!i, v[i]); + s += sprintf(s,"]"); + return strdup(buf); +} + +//---------------------------------------------------------------- +\class FObject < CObject + +static void FObject_prepare_message(int &argc, Ruby *&argv, Ruby &sym, FObject *foo=0) { + if (argc<1) { + sym = bsym._bang; + } else if (argc>1 && !SYMBOL_P(*argv)) { + sym = bsym._list; + } else if (INTEGER_P(*argv)||FLOAT_P(*argv)) { + sym = bsym._float; + } else if (SYMBOL_P(*argv)) { + sym = *argv; + argc--, argv++; + } else if (argc==1 && TYPE(*argv)==T_ARRAY) { + sym = bsym._list; + argc = rb_ary_len(*argv); + argv = rb_ary_ptr(*argv); + } else { + RAISE("%s received bad message: argc=%d; argv[0]=%s",foo?INFO(foo):"", argc, + argc ? rb_str_ptr(rb_inspect(argv[0])) : ""); + } +} + +struct Helper { + int argc; + Ruby *argv; + FObject *self; + Ruby rself; + int n; // stack level +}; + +static Ruby GridFlow_handle_braces(Ruby rself, Ruby argv); + +// inlet #-1 is reserved for SystemInlet messages +// inlet #-2 is for inlet #0 messages that happen at start time +static void send_in_2 (Helper *h) { PROF(h->self) { + int argc = h->argc; + Ruby *argv = h->argv; + if (h->argc<1) RAISE("not enough args"); + int inlet = INT(argv[0]); + argc--, argv++; + Ruby foo; + if (argc==1 && TYPE(argv[0])==T_STRING /* && argv[0] =~ / / */) { + foo = rb_funcall(mGridFlow,SI(parse),1,argv[0]); + argc = rb_ary_len(foo); + argv = rb_ary_ptr(foo); + } + if (argc>1) { + foo = rb_ary_new4(argc,argv); + GridFlow_handle_braces(0,foo); + argc = rb_ary_len(foo); + argv = rb_ary_ptr(foo); + } + if (inlet==-2) { + Array init_messages = rb_ivar_get(h->rself,SI(@init_messages)); + rb_ary_push(init_messages, rb_ary_new4(argc,argv)); + inlet=0; + } + if (inlet<0 || inlet>9 /*|| inlet>real_inlet_max*/) + if (inlet!=-3 && inlet!=-1) RAISE("invalid inlet number: %d", inlet); + Ruby sym; + FObject_prepare_message(argc,argv,sym,h->self); +// if (rb_const_get(mGridFlow,SI(@verbose))==Qtrue) gfpost m.inspect + char buf[256]; + if (inlet==-1) sprintf(buf,"_sys_%s",rb_sym_name(sym)); + else sprintf(buf,"_%d_%s",inlet,rb_sym_name(sym)); + rb_funcall2(h->rself,rb_intern(buf),argc,argv); +} /* PROF */ } + +static void send_in_3 (Helper *h) { + while (gf_stack.n > h->n) gf_stack.pop(); +} + +\def void send_in (...) { + Helper h = {argc,argv,this,rself,gf_stack.n}; + rb_ensure( + (RMethod)send_in_2,(Ruby)&h, + (RMethod)send_in_3,(Ruby)&h); +} + +\def void send_out (...) { + int n=0; + if (argc<1) RAISE("not enough args"); + int outlet = INT(*argv); + if (outlet<0 || outlet>9 /*|| outlet>real_outlet_max*/) + RAISE("invalid outlet number: %d",outlet); + argc--, argv++; + Ruby sym; + FObject_prepare_message(argc,argv,sym,this); + Ruby noutlets2 = rb_ivar_get(rb_obj_class(rself),SYM2ID(SYM(@noutlets))); + if (TYPE(noutlets2)!=T_FIXNUM) { + IEVAL(rself,"STDERR.puts inspect"); + RAISE("don't know how many outlets this has"); + } + int noutlets = INT(noutlets2); + //if (outlet<0 || outlet>=noutlets) RAISE("outlet %d does not exist",outlet); + // was PROF(0) a hack because of exception-handling problems? + PROF(0) { + Ruby argv2[argc+2]; + for (int i=0; i<argc; i++) argv2[2+i] = argv[i]; + argv2[0] = INT2NUM(outlet); + argv2[1] = sym; + rb_funcall2(rself,SI(send_out2), argc+2, argv2); + + Ruby ary = rb_ivar_defined(rself,SYM2ID(bsym.iv_outlets)) ? + rb_ivar_get(rself,SYM2ID(bsym.iv_outlets)) : Qnil; + if (ary==Qnil) goto end; + if (TYPE(ary)!=T_ARRAY) RAISE("send_out: expected array"); + ary = rb_ary_fetch(ary,outlet); + if (ary==Qnil) goto end; + if (TYPE(ary)!=T_ARRAY) RAISE("send_out: expected array"); + n = rb_ary_len(ary); + + for (int i=0; i<n; i++) { + Ruby conn = rb_ary_fetch(ary,i); + Ruby rec = rb_ary_fetch(conn,0); + int inl = INT(rb_ary_fetch(conn,1)); + argv2[0] = INT2NUM(inl); + rb_funcall2(rec,SI(send_in),argc+2,argv2); + } + } /* PROF */ +end:; +} + +Ruby FObject_s_new(Ruby argc, Ruby *argv, Ruby qlass) { + Ruby allocator = rb_ivar_defined(qlass,SI(@allocator)) ? + rb_ivar_get(qlass,SI(@allocator)) : Qnil; + FObject *self; + if (allocator==Qnil) { + // this is a pure-ruby FObject/GridObject + // !@#$ GridObject is in FObject constructor (ugly) + self = new GridObject; + } else { + // this is a C++ FObject/GridObject + void*(*alloc)() = (void*(*)())FIX2PTR(void,allocator); + self = (FObject *)alloc(); + } + self->check_magic(); + Ruby keep = rb_ivar_get(mGridFlow, SI(@fobjects)); + self->bself = 0; + Ruby rself = Data_Wrap_Struct(qlass, CObject_mark, CObject_free, self); + self->rself = rself; + rb_hash_aset(keep,rself,Qtrue); // prevent sweeping + rb_funcall2(rself,SI(initialize),argc,argv); + return rself; +} + +Ruby FObject_s_install(Ruby rself, Ruby name, Ruby inlets2, Ruby outlets2) { + int inlets, outlets; + Ruby name2; + if (SYMBOL_P(name)) { + name2 = rb_funcall(name,SI(to_str),0); + } else if (TYPE(name) == T_STRING) { + name2 = rb_funcall(name,SI(dup),0); + } else { + RAISE("expect symbol or string"); + } + inlets = INT(inlets2); if ( inlets<0 || inlets>9) RAISE("..."); + outlets = INT(outlets2); if (outlets<0 || outlets>9) RAISE("..."); + rb_ivar_set(rself,SI(@ninlets),INT2NUM(inlets)); + rb_ivar_set(rself,SI(@noutlets),INT2NUM(outlets)); + rb_ivar_set(rself,SI(@foreign_name),name2); + rb_hash_aset(rb_ivar_get(mGridFlow,SI(@fclasses)), name2, rself); + rb_funcall(rself, SI(install2), 1, name2); + return Qnil; +} + +\def Ruby total_time_get () {return gf_ull2num(total_time);} + +\def Ruby total_time_set (Ruby x) { + if (argc<1) RAISE("muh"); + total_time = TO(uint64,x); + return argv[0]; +} + +\def void delete_m () { + Ruby keep = rb_ivar_get(mGridFlow, SI(@fobjects)); + rb_funcall(keep,SI(delete),1,rself); +} + +\classinfo +\end class FObject + +/* ---------------------------------------------------------------- */ +/* C++<->Ruby bridge for classes/functions in base/number.c */ + +static Ruby String_swap32_f (Ruby rself) { + int n = rb_str_len(rself)/4; + swap32(n,Pt<uint32>((uint32 *)rb_str_ptr(rself),n)); + return rself; +} + +static Ruby String_swap16_f (Ruby rself) { + int n = rb_str_len(rself)/2; + swap16(n,Pt<uint16>((uint16 *)rb_str_ptr(rself),n)); + return rself; +} + +NumberTypeE NumberTypeE_find (Ruby sym) { + if (TYPE(sym)!=T_SYMBOL) RAISE("expected symbol (not %s)", + rb_str_ptr(rb_inspect(rb_obj_class(sym)))); + Ruby nt_dict = rb_ivar_get(mGridFlow,SI(@number_type_dict)); + Ruby v = rb_hash_aref(nt_dict,sym); + if (v!=Qnil) return FIX2PTR(NumberType,v)->index; + RAISE("unknown number type \"%s\"", rb_sym_name(sym)); +} + +/* **************************************************************** */ +\class BitPacking < CObject + +\def void initialize(Ruby foo1, Ruby foo2, Ruby foo3) {} + +// !@#$ doesn't support number types +\def String pack2 (String ins, String outs=Qnil) { + int n = rb_str_len(ins) / sizeof(int32) / size; + Pt<int32> in = Pt<int32>((int32 *)rb_str_ptr(ins),rb_str_len(ins)); + int bytes2 = n*bytes; + Ruby out = outs!=Qnil ? rb_str_resize(outs,bytes2) : rb_str_new("",bytes2); + rb_str_modify(out); + pack(n,Pt<int32>(in,n),Pt<uint8>((uint8 *)rb_str_ptr(out),bytes2)); + return out; +} + +// !@#$ doesn't support number types +\def String unpack2 (String ins, String outs=Qnil) { + int n = rb_str_len(argv[0]) / bytes; + Pt<uint8> in = Pt<uint8>((uint8 *)rb_str_ptr(ins),rb_str_len(ins)); + int bytes2 = n*size*sizeof(int32); + Ruby out = outs!=Qnil ? rb_str_resize(outs,bytes2) : rb_str_new("",bytes2); + rb_str_modify(out); + unpack(n,Pt<uint8>((uint8 *)in,bytes2),Pt<int32>((int32 *)rb_str_ptr(out),n)); + return out; +} + +static Ruby BitPacking_s_new(Ruby argc, Ruby *argv, Ruby qlass) { + Ruby keep = rb_ivar_get(mGridFlow, rb_intern("@fobjects")); + if (argc!=3) RAISE("bad args"); + if (TYPE(argv[2])!=T_ARRAY) RAISE("bad mask"); + int endian = INT(argv[0]); + int bytes = INT(argv[1]); + Ruby *masks = rb_ary_ptr(argv[2]); + uint32 masks2[4]; + int size = rb_ary_len(argv[2]); + if (size<1) RAISE("not enough masks"); + if (size>4) RAISE("too many masks (%d)",size); + for (int i=0; i<size; i++) masks2[i] = NUM2UINT(masks[i]); + BitPacking *self = new BitPacking(endian,bytes,size,masks2); + Ruby rself = Data_Wrap_Struct(qlass, 0, CObject_free, self); + self->rself = rself; + rb_hash_aset(keep,rself,Qtrue); // prevent sweeping (leak) (!@#$ WHAT???) + rb_funcall2(rself,SI(initialize),argc,argv); + return rself; +} + +\classinfo +\end class BitPacking + +void gfpost(const char *fmt, ...) { + va_list args; + int length; + va_start(args,fmt); + const int n=256; + char post_s[n]; + length = vsnprintf(post_s,n,fmt,args); + if (length<0 || length>=n) sprintf(post_s+n-6,"[...]"); /* safety */ + va_end(args); + rb_funcall(mGridFlow,SI(gfpost2),2,rb_str_new2(fmt),rb_str_new2(post_s)); +} + +void define_many_methods(Ruby rself, int n, MethodDecl *methods) { + for (int i=0; i<n; i++) { + MethodDecl *md = &methods[i]; + char *buf = strdup(md->selector); + if (strlen(buf)>2 && strcmp(buf+strlen(buf)-2,"_m")==0) + buf[strlen(buf)-2]=0; + rb_define_method(rself,buf,(RMethod)md->method,-1); + rb_enable_super(rself,buf); + free(buf); + } +} + +static Ruby GridFlow_fclass_install(Ruby rself_, Ruby fc_, Ruby super) { + FClass *fc = FIX2PTR(FClass,fc_); + Ruby rself = super!=Qnil ? + rb_define_class_under(mGridFlow, fc->name, super) : + rb_funcall(mGridFlow,SI(const_get),1,rb_str_new2(fc->name)); + define_many_methods(rself,fc->methodsn,fc->methods); + rb_ivar_set(rself,SI(@allocator),PTR2FIX((void*)(fc->allocator))); //#!@$?? + if (fc->startup) fc->startup(rself); + return Qnil; +} + +//---------------------------------------------------------------- +// GridFlow.class +//\class GridFlow_s < patate + +typedef void (*Callback)(void*); +static Ruby GridFlow_exec (Ruby rself, Ruby data, Ruby func) { + void *data2 = FIX2PTR(void,data); + Callback func2 = (Callback) FIX2PTR(void,func); + func2(data2); + return Qnil; +} + +static Ruby GridFlow_get_id (Ruby rself, Ruby arg) { + fprintf(stderr,"%ld\n",arg); + return INT2NUM((int)arg); +} + +Ruby GridFlow_rdtsc (Ruby rself) { return gf_ull2num(rdtsc()); } + +/* This code handles nested lists because PureData (0.38) doesn't do it */ +static Ruby GridFlow_handle_braces(Ruby rself, Ruby argv) { + int stack[16]; + int stackn=0; + Ruby *av = rb_ary_ptr(argv); + int ac = rb_ary_len(argv); + int j=0; + for (int i=0; i<ac; ) { + int close=0; + if (SYMBOL_P(av[i])) { + const char *s = rb_sym_name(av[i]); + while (*s=='(' || *s=='{') { + if (stackn==16) RAISE("too many nested lists (>16)"); + stack[stackn++]=j; + s++; + } + const char *se = s+strlen(s); + while (se[-1]==')' || se[-1]=='}') { se--; close++; } + if (s!=se) { + Ruby u = rb_str_new(s,se-s); + av[j++] = rb_funcall(rself,SI(FloatOrSymbol),1,u); + } + } else { + av[j++]=av[i]; + } + i++; + while (close--) { + if (!stackn) RAISE("unbalanced '}' or ')'",av[i]); + Ruby a2 = rb_ary_new(); + int j2 = stack[--stackn]; + for (int k=j2; k<j; k++) rb_ary_push(a2,av[k]); + j=j2; + av[j++] = a2; + } + } + if (stackn) RAISE("unbalanced '{' or '(' (stackn=%d)",stackn); + RARRAY(argv)->len = j; + return rself; +} + +/* ---------------------------------------------------------------- */ + +static uint32 memcpy_calls = 0; +static uint64 memcpy_bytes = 0; +static uint64 memcpy_time = 0; +static uint32 malloc_calls = 0; /* only new not delete */ +static uint64 malloc_bytes = 0; /* only new not delete */ +static uint64 malloc_time = 0; /* in cpu ticks */ + +// don't touch. +static void gfmemcopy32(int32 *as, int32 *bs, int n) { + int32 ba = bs-as; +#define FOO(I) as[I] = (as+ba)[I]; + UNROLL_8(FOO,n,as) +#undef FOO + +} + +void gfmemcopy(uint8 *out, const uint8 *in, int n) { + uint64 t = rdtsc(); + memcpy_calls++; + memcpy_bytes+=n; + for (; n>16; in+=16, out+=16, n-=16) { + ((int32*)out)[0] = ((int32*)in)[0]; + ((int32*)out)[1] = ((int32*)in)[1]; + ((int32*)out)[2] = ((int32*)in)[2]; + ((int32*)out)[3] = ((int32*)in)[3]; + } + for (; n>4; in+=4, out+=4, n-=4) { *(int32*)out = *(int32*)in; } + for (; n; in++, out++, n--) { *out = *in; } + t=rdtsc()-t; + memcpy_time+=t; +} + +extern "C" { +void *gfmalloc(size_t n) { + uint64 t = rdtsc(); + void *p = malloc(n); + long align = (long)p & 7; + if (align) fprintf(stderr,"malloc alignment = %ld mod 8\n",align); + t=rdtsc()-t; + malloc_time+=t; + malloc_calls++; + malloc_bytes+=n; + return p; +} +void gffree(void *p) { + uint64 t = rdtsc(); + free(p); + t=rdtsc()-t; + malloc_time+=t; +}}; + +Ruby GridFlow_memcpy_calls (Ruby rself) { return LONG2NUM(memcpy_calls); } +Ruby GridFlow_memcpy_bytes (Ruby rself) { return gf_ull2num(memcpy_bytes); } +Ruby GridFlow_memcpy_time (Ruby rself) { return gf_ull2num(memcpy_time); } +Ruby GridFlow_malloc_calls (Ruby rself) { return LONG2NUM(malloc_calls); } +Ruby GridFlow_malloc_bytes (Ruby rself) { return gf_ull2num(malloc_bytes); } +Ruby GridFlow_malloc_time (Ruby rself) { return gf_ull2num(malloc_time); } + +Ruby GridFlow_profiler_reset2 (Ruby rself) { + memcpy_calls = memcpy_bytes = memcpy_time = 0; + malloc_calls = malloc_bytes = malloc_time = 0; + return Qnil; +} + +/* ---------------------------------------------------------------- */ + +void startup_number(); +void startup_grid(); +void startup_flow_objects(); +void startup_flow_objects_for_image(); +void startup_flow_objects_for_matrix(); + +Ruby cFormat; + +#define SDEF(_class_,_name_,_argc_) \ + rb_define_singleton_method(c##_class_,#_name_,(RMethod)_class_##_s_##_name_,_argc_) +#define SDEF2(_name1_,_name2_,_argc_) \ + rb_define_singleton_method(mGridFlow,_name1_,(RMethod)_name2_,_argc_) + +STARTUP_LIST(void) + +// Ruby's entrypoint. +void Init_gridflow () { +#define FOO(_sym_,_name_) bsym._sym_ = ID2SYM(rb_intern(_name_)); +BUILTIN_SYMBOLS(FOO) +#undef FOO + signal(11,SIG_DFL); // paranoia + mGridFlow = EVAL("module GridFlow; CObject = ::Object; " + "class<<self; attr_reader :bridge_name; end; " + "def post_string(s) STDERR.puts s end; " + "self end"); + SDEF2("exec",GridFlow_exec,2); + SDEF2("get_id",GridFlow_get_id,1); + SDEF2("rdtsc",GridFlow_rdtsc,0); + SDEF2("profiler_reset2",GridFlow_profiler_reset2,0); + SDEF2("memcpy_calls",GridFlow_memcpy_calls,0); + SDEF2("memcpy_bytes",GridFlow_memcpy_bytes,0); + SDEF2("memcpy_time", GridFlow_memcpy_time,0); + SDEF2("malloc_calls",GridFlow_malloc_calls,0); + SDEF2("malloc_bytes",GridFlow_malloc_bytes,0); + SDEF2("malloc_time", GridFlow_malloc_time,0); + SDEF2("handle_braces!",GridFlow_handle_braces,1); + SDEF2("fclass_install",GridFlow_fclass_install,2); + +//#define FOO(A) fprintf(stderr,"sizeof("#A")=%d\n",sizeof(A)); +//FOO(Dim) FOO(BitPacking) FOO(GridHandler) FOO(GridInlet) FOO(GridOutlet) FOO(GridObject) +//#undef FOO + + rb_ivar_set(mGridFlow, SI(@fobjects), rb_hash_new()); + rb_ivar_set(mGridFlow, SI(@fclasses), rb_hash_new()); + rb_ivar_set(mGridFlow, SI(@bsym), PTR2FIX(&bsym)); + rb_define_const(mGridFlow, "GF_VERSION", rb_str_new2(GF_VERSION)); + rb_define_const(mGridFlow, "GF_COMPILE_TIME", rb_str_new2(GF_COMPILE_TIME)); + + cFObject = rb_define_class_under(mGridFlow, "FObject", rb_cObject); + EVAL( +\ruby + module GridFlow + class FObject + def send_out2(*) end + def self.install2(*) end + def self.add_creator(name) + name=name.to_str.dup + GridFlow.fclasses[name]=self + GridFlow.add_creator_2 name end + end + end +\end ruby +); + define_many_methods(cFObject,COUNT(FObject_methods),FObject_methods); + SDEF(FObject, install, 3); + SDEF(FObject, new, -1); + ID gbi = SI(gf_bridge_init); + if (rb_respond_to(rb_cData,gbi)) rb_funcall(rb_cData,gbi,0); + Ruby cBitPacking = + rb_define_class_under(mGridFlow, "BitPacking", rb_cObject); + define_many_methods(cBitPacking, + ciBitPacking.methodsn, + ciBitPacking.methods); + SDEF(BitPacking,new,-1); + rb_define_method(rb_cString, "swap32!", (RMethod)String_swap32_f, 0); + rb_define_method(rb_cString, "swap16!", (RMethod)String_swap16_f, 0); + + startup_number(); + startup_grid(); + startup_flow_objects(); + startup_flow_objects_for_image(); + startup_flow_objects_for_matrix(); + if (!EVAL("begin require 'gridflow/base/main.rb'; true\n" + "rescue Exception => e; " + "STDERR.puts \"can't load: #{$!}\n" + "backtrace: #{$!.backtrace.join\"\n\"}\n" + "$: = #{$:.inspect}\"\n; false end")) return; + cFormat = EVAL("GridFlow::Format"); + STARTUP_LIST() + EVAL("h=GridFlow.fclasses; h['#io:window'] = h['#io:quartz']||h['#io:x11']||h['#io:sdl']"); + EVAL("GridFlow.load_user_config"); + signal(11,SIG_DFL); // paranoia +} + +void GFStack::push (FObject *o) { + void *bp = &o; // really. just finding our position on the stack. + if (n>=GF_STACK_MAX) + RAISE("stack overflow (maximum %d FObject activations at once)", GF_STACK_MAX); + uint64 t = rdtsc(); + if (n) s[n-1].time = t - s[n-1].time; + s[n].o = o; + s[n].bp = bp; + s[n].time = t; + n++; +} + +void GFStack::pop () { + uint64 t = rdtsc(); + if (!n) RAISE("stack underflow (WHAT?)"); + n--; + if (s[n].o) s[n].o->total_time += t - s[n].time; + if (n) s[n-1].time = t - s[n-1].time; +} + +uint64 gf_timeofday () { + timeval t; + gettimeofday(&t,0); + return t.tv_sec*1000000+t.tv_usec; +} |