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Improve assertions.

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This commit is contained in:
Mike Pall
2020-06-13 00:52:54 +02:00
parent 8b55054473
commit 8ae5170cdc
71 changed files with 1363 additions and 927 deletions
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7
src/lj_vmmath.c
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@@ -60,7 +60,8 @@ double lj_vm_foldarith(double x, double y, int op)
int32_t LJ_FASTCALL lj_vm_modi(int32_t a, int32_t b)
{
uint32_t y, ua, ub;
lua_assert(b != 0); /* This must be checked before using this function. */
/* This must be checked before using this function. */
lj_assertX(b != 0, "modulo with zero divisor");
ua = a < 0 ? (uint32_t)-a : (uint32_t)a;
ub = b < 0 ? (uint32_t)-b : (uint32_t)b;
y = ua % ub;
@@ -84,7 +85,7 @@ double lj_vm_log2(double a)
static double lj_vm_powui(double x, uint32_t k)
{
double y;
lua_assert(k != 0);
lj_assertX(k != 0, "pow with zero exponent");
for (; (k & 1) == 0; k >>= 1) x *= x;
y = x;
if ((k >>= 1) != 0) {
@@ -123,7 +124,7 @@ double lj_vm_foldfpm(double x, int fpm)
case IRFPM_SQRT: return sqrt(x);
case IRFPM_LOG: return log(x);
case IRFPM_LOG2: return lj_vm_log2(x);
default: lua_assert(0);
default: lj_assertX(0, "bad fpm %d", fpm);
}
return 0;
}