static Proto* load(const char* filename)
{
Proto* tf;
ZIO z;
char source[512];
FILE* f;
int c,undump;
if (filename==NULL)
{
f=stdin;
filename="(stdin)";
}
else
f=efopen(filename,"r");
c=ungetc(fgetc(f),f);
if (ferror(f))
{
fprintf(stderr,"luac: cannot read from ");
perror(filename);
exit(1);
}
undump=(c==ID_CHUNK);
if (undump && f!=stdin)
{
fclose(f);
f=efopen(filename,"rb");
}
sprintf(source,"@%.*s",Sizeof(source)-2,filename);
luaZ_Fopen(&z,f,source);
tf = undump ? luaU_undump(L,&z) : luaY_parser(L,&z);
if (f!=stdin) fclose(f);
return tf;
}
/*
** returns 0 = chunk loaded; 1 = error; 2 = no more chunks to load
*/
static int protectedparser (ZIO *z, int bin) {
volatile struct C_Lua_Stack oldCLS = L->Cstack;
struct lua_longjmp myErrorJmp;
volatile int status;
TProtoFunc *volatile tf;
struct lua_longjmp *volatile oldErr = L->errorJmp;
L->errorJmp = &myErrorJmp;
if (setjmp(myErrorJmp.b) == 0) {
tf = bin ? luaU_undump1(z) : luaY_parser(z);
status = 0;
}
else { /* an error occurred: restore L->Cstack and L->stack.top */
L->Cstack = oldCLS;
L->stack.top = L->stack.stack+L->Cstack.base;
tf = NULL;
status = 1;
}
L->errorJmp = oldErr;
if (status) return 1; /* error code */
if (tf == NULL) return 2; /* 'natural' end */
luaD_adjusttop(L->Cstack.base+1); /* one slot for the pseudo-function */
L->stack.stack[L->Cstack.base].ttype = LUA_T_PROTO;
L->stack.stack[L->Cstack.base].value.tf = tf;
luaV_closure(0);
return 0;
}
int terra_load(lua_State *L,lua_Reader reader, void *data, const char *chunkname) {
int st = lua_gettop(L);
terra_State * T = getterra(L);
Zio zio;
luaZ_init(T,&zio,reader,data);
int r = luaY_parser(T,&zio,chunkname,zgetc(&zio));
assert(lua_gettop(L) == st + 1);
return r;
}
static void do_compile(ZIO* z)
{
TProtoFunc* Main;
if (optimizing) L->debug=0;
if (debugging) L->debug=1;
Main=luaY_parser(z);
if (optimizing) luaU_optchunk(Main);
if (listing) luaU_printchunk(Main);
if (testing) luaU_testchunk(Main);
if (dumping) luaU_dumpchunk(Main,D,native);
}
static Proto* load(const char* filename)
{
Proto* tf;
ZIO z;
char source[512];
PHYSFS_file* f;
/* Open the file */
f = efopen(filename, "r");
sprintf(source,"@%.*s",Sizeof(source)-2,filename);
luaZ_Fopen(&z,f,source);
/* Parse the lua code */
tf = luaY_parser(compile_lua_state,&z);
/* Close the file */
my_fclose(f);
return tf;
}
/*
** returns 0 = chunk loaded; 1 = error; 2 = no more chunks to load
*/
static int32 protectedparser(ZIO *z, int32 bin) {
int32 status;
TProtoFunc *tf;
jmp_buf myErrorJmp;
jmp_buf *oldErr = lua_state->errorJmp;
lua_state->errorJmp = &myErrorJmp;
if (setjmp(myErrorJmp) == 0) {
tf = bin ? luaU_undump1(z) : luaY_parser(z);
status = 0;
} else {
tf = NULL;
status = 1;
}
lua_state->errorJmp = oldErr;
if (status)
return 1; // error code
if (tf == NULL)
return 2; // 'natural' end
luaD_adjusttop(lua_state->Cstack.base + 1); // one slot for the pseudo-function
lua_state->stack.stack[lua_state->Cstack.base].ttype = LUA_T_PROTO;
lua_state->stack.stack[lua_state->Cstack.base].value.tf = tf;
luaV_closure(0);
return 0;
}
static void f_parser (lua_State *L, void *ud) {
struct ParserS *p = (struct ParserS *)ud;
Proto *tf = p->bin ? luaU_undump(L, p->z) : luaY_parser(L, p->z);
luaV_Lclosure(L, tf, 0);
}
