Dibyendu Majumdar
9 years ago
parent
29f7c22f9c
commit
d82bf96f16
@ -0,0 +1,298 @@
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#ifndef HEADER
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#define HEADER
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struct GCObject {
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struct GCObject *next;
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unsigned char tt;
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unsigned char marked;
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};
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struct lua_State;
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union Value {
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struct GCObject *gc;
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void *p;
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int b;
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int (*f)(struct lua_State *);
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long long i;
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double n;
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};
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struct TValue {
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union Value value_;
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int tt_;
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};
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struct TString {
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struct GCObject *next;
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unsigned char tt;
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unsigned char marked;
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unsigned char extra;
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unsigned int hash;
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unsigned long long len;
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struct TString *hnext;
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};
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union MaxAlign {
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double u;
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void *s;
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long long i;
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long l;
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};
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union UTString {
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union MaxAlign dummy;
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struct TString tsv;
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};
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struct Udata {
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struct GCObject *next;
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unsigned char tt;
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unsigned char marked;
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unsigned char ttuv_; /* user value's tag */
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struct Table *metatable;
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unsigned long long len; /* number of bytes */
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union Value user_; /* user value */
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};
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union UUdata {
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union MaxAlign dummy; /* ensures maximum alignment for 'local' udata */
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struct Udata uv;
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};
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enum ravitype_t {
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RAVI_TANY, /* Lua dynamic type */
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RAVI_TNUMINT, /* integer number */
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RAVI_TNUMFLT, /* floating point number */
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RAVI_TARRAYINT, /* array of ints */
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RAVI_TARRAYFLT, /* array of doubles */
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RAVI_TFUNCTION,
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RAVI_TTABLE,
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RAVI_TSTRING,
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RAVI_TNIL,
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RAVI_TBOOLEAN
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};
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struct Upvaldesc {
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struct TString *name; /* upvalue name (for debug information) */
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enum ravitype_t type; /* RAVI type of upvalue */
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unsigned char instack; /* whether it is in stack */
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unsigned char
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idx; /* index of upvalue (in stack or in outer function's list) */
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};
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struct LocVar {
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struct TString *varname;
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int startpc; /* first point where variable is active */
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int endpc; /* first point where variable is dead */
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enum ravitype_t
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ravi_type; /* RAVI type of the variable - RAVI_TANY if unknown */
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};
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struct RaviJITProto {
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unsigned char jit_status; // 0=not compiled, 1=can't compile, 2=compiled, 3=freed
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void *jit_data;
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int (*jit_function) (struct lua_State *);
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};
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struct Proto {
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struct GCObject *next;
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unsigned char tt;
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unsigned char marked;
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unsigned char numparams; /* number of fixed parameters */
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unsigned char is_vararg;
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unsigned char maxstacksize; /* maximum stack used by this function */
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int sizeupvalues; /* size of 'upvalues' */
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int sizek; /* size of 'k' */
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int sizecode;
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int sizelineinfo;
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int sizep; /* size of 'p' */
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int sizelocvars;
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int linedefined;
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int lastlinedefined;
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struct TValue *k; /* constants used by the function */
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unsigned int *code;
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struct Proto **p; /* functions defined inside the function */
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int *lineinfo; /* map from opcodes to source lines (debug information) */
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struct LocVar *
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locvars; /* information about local variables (debug information) */
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struct Upvaldesc *upvalues; /* upvalue information */
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struct LClosure *cache; /* last created closure with this prototype */
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struct TString *source; /* used for debug information */
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struct GCObject *gclist;
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struct RaviJITProto ravi_jit;
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};
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struct UpVal;
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struct CClosure {
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struct GCObject *next;
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unsigned char tt;
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unsigned char marked;
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unsigned char nupvalues;
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struct GCObject *gclist;
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int (*f)(struct lua_State *);
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struct TValue upvalue[1]; /* list of upvalues */
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};
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struct LClosure {
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struct GCObject *next;
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unsigned char tt;
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unsigned char marked;
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unsigned char nupvalues;
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struct GCObject *gclist;
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struct Proto *p;
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struct UpVal *upvals[1]; /* list of upvalues */
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};
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union Closure {
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struct CClosure c;
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struct LClosure l;
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};
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union TKey {
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struct {
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union Value value_;
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int tt_;
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int next; /* for chaining (offset for next node) */
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} nk;
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struct TValue tvk;
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};
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struct Node {
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struct TValue i_val;
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union TKey i_key;
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};
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struct RaviArray {
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char *data;
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enum ravitype_t type; /* RAVI specialization */
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unsigned int len; /* RAVI len specialization */
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unsigned int size; /* amount of memory allocated */
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};
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struct Table {
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struct GCObject *next;
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unsigned char tt;
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unsigned char marked;
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unsigned char flags; /* 1<<p means tagmethod(p) is not present */
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unsigned char lsizenode; /* log2 of size of 'node' array */
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unsigned int sizearray; /* size of 'array' array */
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struct TValue *array; /* array part */
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struct Node *node;
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struct Node *lastfree; /* any free position is before this position */
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struct Table *metatable;
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struct GCObject *gclist;
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struct RaviArray ravi_array;
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};
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struct Mbuffer {
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char *buffer;
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unsigned long long n;
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unsigned long long buffsize;
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};
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struct stringtable {
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struct TString **hash;
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int nuse; /* number of elements */
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int size;
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};
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struct lua_Debug;
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typedef long long ptrdiff_t;
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typedef ptrdiff_t lua_KContext;
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typedef int (*lua_KFunction)(struct lua_State *L, int status, lua_KContext ctx);
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typedef void *(*lua_Alloc)(void *ud, void *ptr, unsigned long long osize,
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unsigned long long nsize);
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typedef void (*lua_Hook)(struct lua_State *L, struct lua_Debug *ar);
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struct CallInfoL { /* only for Lua functions */
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struct TValue *base; /* base for this function */
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const unsigned int *savedpc;
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ptrdiff_t dummy;
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};
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struct CallInfoC { /* only for C functions */
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lua_KFunction k; /* continuation in case of yields */
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ptrdiff_t old_errfunc;
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lua_KContext ctx; /* context info. in case of yields */
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};
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struct CallInfo {
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struct TValue *func; /* function index in the stack */
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struct TValue *top; /* top for this function */
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struct CallInfo *previous, *next; /* dynamic call link */
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union {
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struct CallInfoL l;
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struct CallInfoC c;
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} u;
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ptrdiff_t extra;
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short nresults; /* expected number of results from this function */
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unsigned char callstatus;
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unsigned char jitstatus;
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};
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struct CallInfoLua {
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struct TValue *func; /* function index in the stack */
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struct TValue *top; /* top for this function */
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struct CallInfo *previous, *next; /* dynamic call link */
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struct CallInfoL l;
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ptrdiff_t extra;
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short nresults; /* expected number of results from this function */
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unsigned char callstatus;
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unsigned char jitstatus;
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};
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struct global_State;
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struct lua_longjmp;
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/*
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** 'per thread' state
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*/
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struct lua_State {
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struct GCObject *next;
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unsigned char tt;
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unsigned char marked;
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unsigned char status;
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struct TValue *top; /* first free slot in the stack */
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struct global_State *l_G;
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struct CallInfoLua *ci; /* call info for current function */
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const unsigned int *oldpc; /* last pc traced */
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struct TValue *stack_last; /* last free slot in the stack */
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struct TValue *stack; /* stack base */
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struct UpVal *openupval; /* list of open upvalues in this stack */
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struct GCObject *gclist;
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struct lua_State *twups; /* list of threads with open upvalues */
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struct lua_longjmp *errorJmp; /* current error recover point */
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struct CallInfo base_ci; /* CallInfo for first level (C calling Lua) */
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lua_Hook hook;
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ptrdiff_t errfunc; /* current error handling function (stack index) */
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int stacksize;
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int basehookcount;
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int hookcount;
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unsigned short nny; /* number of non-yieldable calls in stack */
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unsigned short nCcalls; /* number of nested C calls */
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unsigned char hookmask;
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unsigned char allowhook;
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};
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struct UpVal {
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struct TValue *v; /* points to stack or to its own value */
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unsigned long long refcount; /* reference counter */
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union {
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struct { /* (when open) */
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struct UpVal *next; /* linked list */
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int touched; /* mark to avoid cycles with dead threads */
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} open;
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struct TValue value; /* the value (when closed) */
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} u;
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};
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#define rttype(o) ((o)->tt_)
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#define BIT_ISCOLLECTABLE (1 << 6)
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#define iscollectable(o) (rttype(o) & BIT_ISCOLLECTABLE)
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#define upisopen(up) ((up)->v != &(up)->u.value)
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#endif
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@ -1,4 +1,4 @@
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setlocal
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set PATH=%PATH%;"c:\Program Files (x86)\LLVM\bin"
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clang -S -emit-llvm -O %1
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clang -S -emit-llvm -O1 %1
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@ -0,0 +1,13 @@
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#include "lua_hdr.h"
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extern int test(struct lua_State *L, int y);
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extern int i;
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int test(struct lua_State *L, int y) {
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int x = L->stacksize;
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y = x+i;
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return y;
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}
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