Overflown integers should not be fall back to float values.
MODIFY
mrbgems/mruby-compiler/core/codegen.c
mrbgems/mruby-compiler/core/codegen.c
@@ -1361,34 +1361,6 @@ raise_error(codegen_scope *s, const char *msg)
genop_1(s, OP_ERR, idx);
}
-#ifndef MRB_NO_FLOAT
-static double
-readint_float(codegen_scope *s, const char *p, int base)
-{
- const char *e = p + strlen(p);
- double f = 0;
- int n;
-
- if (*p == '+') p++;
- while (p < e) {
- char c = *p;
- c = tolower((unsigned char)c);
- for (n=0; n<base; n++) {
- if (mrb_digitmap[n] == c) {
- f *= base;
- f += n;
- break;
- }
- }
- if (n == base) {
- codegen_error(s, "malformed readint input");
- }
- p++;
- }
- return f;
-}
-#endif
-
static mrb_int
readint_mrb_int(codegen_scope *s, const char *p, int base, mrb_bool neg, mrb_bool *overflow)
{
@@ -2473,16 +2445,10 @@ codegen(codegen_scope *s, node *tree, int val)
mrb_bool overflow;
i = readint_mrb_int(s, p, base, FALSE, &overflow);
-#ifndef MRB_NO_FLOAT
if (overflow) {
- double f = readint_float(s, p, base);
- int off = new_lit(s, mrb_float_value(s->mrb, f));
-
- genop_bs(s, OP_LOADL, cursp(), off);
+ codegen_error(s, "integer overflow");
}
- else
-#endif
- {
+ else {
if (i < 0) {
if (i == -1) genop_1(s, OP_LOADI__1, cursp());
else if (i >= -0xff) genop_2(s, OP_LOADINEG, cursp(), (uint16_t)-i);
@@ -2544,15 +2510,10 @@ codegen(codegen_scope *s, node *tree, int val)
mrb_bool overflow;
i = readint_mrb_int(s, p, base, TRUE, &overflow);
-#ifndef MRB_NO_FLOAT
if (overflow) {
- double f = readint_float(s, p, base);
- int off = new_lit(s, mrb_float_value(s->mrb, -f));
-
- genop_bs(s, OP_LOADL, cursp(), off);
+ codegen_error(s, "integer overflow");
}
else {
-#endif
if (i == -1) genop_1(s, OP_LOADI__1, cursp());
else if (i >= -0xff) {
genop_2(s, OP_LOADINEG, cursp(), (uint16_t)-i);
@@ -2567,9 +2528,7 @@ codegen(codegen_scope *s, node *tree, int val)
int off = new_lit(s, mrb_int_value(s->mrb, i));
genop_bs(s, OP_LOADL, cursp(), off);
}
-#ifndef MRB_NO_FLOAT
}
-#endif
push();
}
break;

Overflown integers should not be fall back to float values.