Initial draft of interpreter. Lua compiled "chunks" can be unmarshalled. Approximately half of bytecodes implemented in some form or another.

This commit is contained in:
James Roseborough
2007-06-08 05:11:37 +00:00
commit 70dfc20f57
31 changed files with 1368 additions and 0 deletions

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package lua;
import java.util.Hashtable;
import lua.value.LTable;
import lua.value.LValue;
/**
** `global state', shared by all threads of this state
*/
public class GlobalState {
// typedef struct global_State {
// stringtable strt; /* hash table for strings */
Hashtable strt; /* hash table for strings */
// lua_Alloc frealloc; /* function to reallocate memory */
// void *ud; /* auxiliary data to `frealloc' */
// lu_byte currentwhite;
// lu_byte gcstate; /* state of garbage collector */
// int sweepstrgc; /* position of sweep in `strt' */
// GCObject *rootgc; /* list of all collectable objects */
// GCObject **sweepgc; /* position of sweep in `rootgc' */
// GCObject *gray; /* list of gray objects */
// GCObject *grayagain; /* list of objects to be traversed atomically */
// GCObject *weak; /* list of weak tables (to be cleared) */
// GCObject *tmudata; /* last element of list of userdata to be GC */
// Mbuffer buff; /* temporary buffer for string concatentation */
StringBuffer buff; /* temporary buffer for string concatentation */
// lu_mem GCthreshold;
// lu_mem totalbytes; /* number of bytes currently allocated */
// lu_mem estimate; /* an estimate of number of bytes actually in use */
// lu_mem gcdept; /* how much GC is `behind schedule' */
// int gcpause; /* size of pause between successive GCs */
// int gcstepmul; /* GC `granularity' */
// lua_CFunction panic; /* to be called in unprotected errors */
// TValue l_registry;
// struct lua_State *mainthread;
StackState mainthread;
// UpVal uvhead; /* head of double-linked list of all open upvalues */
// struct Table *mt[NUM_TAGS]; /* metatables for basic types */
// TString *tmname[TM_N]; /* array with tag-method names */
// } global_State;
//
public static LValue getGlobalsTable() {
LTable table = new LTable();
Builtin.addBuiltins( table );
return table;
}
}