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Stack indices changed to union's

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That will allow to change pointers to offsets while reallocating
the stack.
This commit is contained in:
Roberto Ierusalimschy
2022-10-29 12:06:37 -03:00
parent ba089bcb08
commit 413a393e62
19 changed files with 384 additions and 370 deletions
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14
lstate.h
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@@ -139,7 +139,7 @@ struct lua_longjmp; /* defined in ldo.c */
#define BASIC_STACK_SIZE (2*LUA_MINSTACK)
#define stacksize(th) cast_int((th)->stack_last - (th)->stack)
#define stacksize(th) cast_int((th)->stack_last.p - (th)->stack.p)
/* kinds of Garbage Collection */
@@ -170,8 +170,8 @@ typedef struct stringtable {
** before the function starts or after it ends.
*/
typedef struct CallInfo {
StkId func; /* function index in the stack */
StkId top; /* top for this function */
StkIdRel func; /* function index in the stack */
StkIdRel top; /* top for this function */
struct CallInfo *previous, *next; /* dynamic call link */
union {
struct { /* only for Lua functions */
@@ -306,13 +306,13 @@ struct lua_State {
lu_byte status;
lu_byte allowhook;
unsigned short nci; /* number of items in 'ci' list */
StkId top; /* first free slot in the stack */
StkIdRel top; /* first free slot in the stack */
global_State *l_G;
CallInfo *ci; /* call info for current function */
StkId stack_last; /* end of stack (last element + 1) */
StkId stack; /* stack base */
StkIdRel stack_last; /* end of stack (last element + 1) */
StkIdRel stack; /* stack base */
UpVal *openupval; /* list of open upvalues in this stack */
StkId tbclist; /* list of to-be-closed variables */
StkIdRel tbclist; /* list of to-be-closed variables */
GCObject *gclist;
struct lua_State *twups; /* list of threads with open upvalues */
struct lua_longjmp *errorJmp; /* current error recover point */