/* ** $Id$ ** Type definitions for Lua objects ** See Copyright Notice in lua.h */ #ifndef lobject_h #define lobject_h #include #include "llimits.h" #include "lua.h" /* tags for values visible from Lua */ #define LAST_TAG LUA_TTHREAD #define NUM_TAGS (LAST_TAG+1) /* ** Extra tags for non-values */ #define LUA_TPROTO (LAST_TAG+1) #define LUA_TUPVAL (LAST_TAG+2) #define LUA_TDEADKEY (LAST_TAG+3) /* ** Union of all collectable objects */ typedef union GCObject GCObject; /* ** Common Header for all collectable objects (in macro form, to be ** included in other objects) */ #define CommonHeader GCObject *next; lu_byte tt; lu_byte marked /* ** Common header in struct form */ typedef struct GCheader { CommonHeader; } GCheader; /* ** Union of all Lua values */ typedef union { GCObject *gc; void *p; lua_Number n; int b; } Value; /* ** Tagged Values */ #define TValuefields Value value; int tt typedef struct lua_TValue { TValuefields; } TValue; /* Macros to test type */ #define ttisnil(o) (ttype(o) == LUA_TNIL) #define ttisnumber(o) (ttype(o) == LUA_TNUMBER) #define ttisstring(o) (ttype(o) == LUA_TSTRING) #define ttistable(o) (ttype(o) == LUA_TTABLE) #define ttisfunction(o) (ttype(o) == LUA_TFUNCTION) #define ttisboolean(o) (ttype(o) == LUA_TBOOLEAN) #define ttisuserdata(o) (ttype(o) == LUA_TUSERDATA) #define ttisthread(o) (ttype(o) == LUA_TTHREAD) #define ttislightuserdata(o) (ttype(o) == LUA_TLIGHTUSERDATA) /* Macros to access values */ #define ttype(o) ((o)->tt) #define gcvalue(o) check_exp(iscollectable(o), (o)->value.gc) #define pvalue(o) check_exp(ttislightuserdata(o), (o)->value.p) #define nvalue(o) check_exp(ttisnumber(o), (o)->value.n) #define rawtsvalue(o) check_exp(ttisstring(o), &(o)->value.gc->ts) #define tsvalue(o) (&rawtsvalue(o)->tsv) #define rawuvalue(o) check_exp(ttisuserdata(o), &(o)->value.gc->u) #define uvalue(o) (&rawuvalue(o)->uv) #define clvalue(o) check_exp(ttisfunction(o), &(o)->value.gc->cl) #define hvalue(o) check_exp(ttistable(o), &(o)->value.gc->h) #define bvalue(o) check_exp(ttisboolean(o), (o)->value.b) #define thvalue(o) check_exp(ttisthread(o), &(o)->value.gc->th) #define l_isfalse(o) (ttisnil(o) || (ttisboolean(o) && bvalue(o) == 0)) /* ** for internal debug only */ #define checkconsistency(obj) \ lua_assert(!iscollectable(obj) || (ttype(obj) == (obj)->value.gc->gch.tt)) #define checkliveness(g,obj) \ lua_assert(!iscollectable(obj) || \ ((ttype(obj) == (obj)->value.gc->gch.tt) && !isdead(g, (obj)->value.gc))) /* Macros to set values */ #define setnilvalue(obj) ((obj)->tt=LUA_TNIL) #define setnvalue(obj,x) \ { TValue *i_o=(obj); i_o->value.n=(x); i_o->tt=LUA_TNUMBER; } #define setpvalue(obj,x) \ { TValue *i_o=(obj); i_o->value.p=(x); i_o->tt=LUA_TLIGHTUSERDATA; } #define setbvalue(obj,x) \ { TValue *i_o=(obj); i_o->value.b=(x); i_o->tt=LUA_TBOOLEAN; } #define setsvalue(L,obj,x) \ { TValue *i_o=(obj); \ i_o->value.gc=cast(GCObject *, (x)); i_o->tt=LUA_TSTRING; \ checkliveness(G(L),i_o); } #define setuvalue(L,obj,x) \ { TValue *i_o=(obj); \ i_o->value.gc=cast(GCObject *, (x)); i_o->tt=LUA_TUSERDATA; \ checkliveness(G(L),i_o); } #define setthvalue(L,obj,x) \ { TValue *i_o=(obj); \ i_o->value.gc=cast(GCObject *, (x)); i_o->tt=LUA_TTHREAD; \ checkliveness(G(L),i_o); } #define setclvalue(L,obj,x) \ { TValue *i_o=(obj); \ i_o->value.gc=cast(GCObject *, (x)); i_o->tt=LUA_TFUNCTION; \ checkliveness(G(L),i_o); } #define sethvalue(L,obj,x) \ { TValue *i_o=(obj); \ i_o->value.gc=cast(GCObject *, (x)); i_o->tt=LUA_TTABLE; \ checkliveness(G(L),i_o); } #define setptvalue(L,obj,x) \ { TValue *i_o=(obj); \ i_o->value.gc=cast(GCObject *, (x)); i_o->tt=LUA_TPROTO; \ checkliveness(G(L),i_o); } #define setobj(L,obj1,obj2) \ { const TValue *o2=(obj2); TValue *o1=(obj1); \ o1->value = o2->value; o1->tt=o2->tt; \ checkliveness(G(L),o1); } /* ** different types of sets, according to destination */ /* from stack to (same) stack */ #define setobjs2s setobj /* to stack (not from same stack) */ #define setobj2s setobj #define setsvalue2s setsvalue #define sethvalue2s sethvalue #define setptvalue2s setptvalue /* from table to same table */ #define setobjt2t setobj /* to table */ #define setobj2t setobj /* to new object */ #define setobj2n setobj #define setsvalue2n setsvalue #define setttype(obj, tt) (ttype(obj) = (tt)) #define iscollectable(o) (ttype(o) >= LUA_TSTRING) typedef TValue *StkId; /* index to stack elements */ /* ** String headers for string table */ typedef union TString { L_Umaxalign dummy; /* ensures maximum alignment for strings */ struct { CommonHeader; lu_byte reserved; unsigned int hash; size_t len; } tsv; } TString; #define getstr(ts) cast(const char *, (ts) + 1) #define svalue(o) getstr(rawtsvalue(o)) typedef union Udata { L_Umaxalign dummy; /* ensures maximum alignment for `local' udata */ struct { CommonHeader; struct Table *metatable; struct Table *env; size_t len; } uv; } Udata; /* ** Function Prototypes */ typedef struct Proto { CommonHeader; TValue *k; /* constants used by the function */ Instruction *code; struct Proto **p; /* functions defined inside the function */ int *lineinfo; /* map from opcodes to source lines */ struct LocVar *locvars; /* information about local variables */ TString **upvalues; /* upvalue names */ TString *source; int sizeupvalues; int sizek; /* size of `k' */ int sizecode; int sizelineinfo; int sizep; /* size of `p' */ int sizelocvars; int linedefined; int lastlinedefined; GCObject *gclist; lu_byte nups; /* number of upvalues */ lu_byte numparams; lu_byte is_vararg; lu_byte maxstacksize; } Proto; /* masks for new-style vararg */ #define VARARG_HASARG 1 #define VARARG_ISVARARG 2 #define VARARG_NEEDSARG 4 typedef struct LocVar { TString *varname; int startpc; /* first point where variable is active */ int endpc; /* first point where variable is dead */ } LocVar; /* ** Upvalues */ typedef ****************************************************************************/ if($argc < 2) $path = getcwd(); else $path = $argv[1]; $path = rtrim($path, "/"); $dir = dir($path); $split = explode("/", $path); $last = $split[count($split) - 1]; echo "\t<qresource prefix=\"/$last\">\n"; while(false !== ($entry = $dir->read())) { if($entry == '.' || $entry == '..') continue; echo "\t\t"; echo "<file alias = \"$entry\">"; echo $path . '/' . $entry . "</file>"; echo "\n"; } echo "\t</qresource>\n"; $dir->close(); ?>
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