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No need to limit variable declarations to 250

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Only local variables, which use registers, need this low limit.
This commit is contained in:
Roberto Ierusalimschy
2025-06-18 16:45:55 -03:00
parent f711567448
commit 07b009c371
4 changed files with 38 additions and 11 deletions
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5
lparser.c
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@@ -50,7 +50,7 @@ typedef struct BlockCnt {
struct BlockCnt *previous; /* chain */
int firstlabel; /* index of first label in this block */
int firstgoto; /* index of first pending goto in this block */
lu_byte nactvar; /* # active locals outside the block */
short nactvar; /* number of active declarations at block entry */
lu_byte upval; /* true if some variable in the block is an upvalue */
lu_byte isloop; /* 1 if 'block' is a loop; 2 if it has pending breaks */
lu_byte insidetbc; /* true if inside the scope of a to-be-closed var. */
@@ -196,8 +196,6 @@ static int new_varkind (LexState *ls, TString *name, lu_byte kind) {
FuncState *fs = ls->fs;
Dyndata *dyd = ls->dyd;
Vardesc *var;
luaY_checklimit(fs, dyd->actvar.n + 1 - fs->firstlocal,
MAXVARS, "local variables");
luaM_growvector(L, dyd->actvar.arr, dyd->actvar.n + 1,
dyd->actvar.size, Vardesc, SHRT_MAX, "variable declarationss");
var = &dyd->actvar.arr[dyd->actvar.n++];
@@ -330,6 +328,7 @@ static void adjustlocalvars (LexState *ls, int nvars) {
Vardesc *var = getlocalvardesc(fs, vidx);
var->vd.ridx = cast_byte(reglevel++);
var->vd.pidx = registerlocalvar(ls, fs, var->vd.name);
luaY_checklimit(fs, reglevel, MAXVARS, "local variables");
}
}