diff options
Diffstat (limited to 'decl.c')
| -rw-r--r-- | decl.c | 12 |
1 files changed, 10 insertions, 2 deletions
@@ -156,6 +156,7 @@ tagspec(struct scope *s) struct expr *e; struct structbuilder b; uint64_t i; + bool large; switch (tok.kind) { case TSTRUCT: kind = TYPESTRUCT; break; @@ -216,6 +217,7 @@ tagspec(struct scope *s) t->incomplete = false; break; case TYPEENUM: + large = false; for (i = 0; tok.kind == TIDENT; ++i) { name = tok.lit; next(); @@ -228,15 +230,21 @@ tagspec(struct scope *s) if (i < -1ull << 31) goto invalid; t->basic.issigned = true; - } else if (i >= 1ull << 31) { + } else if (i >= 1ull << 32) { goto invalid; } - } else if (i == 1ull << 31) { + } else if (i == 1ull << 32) { invalid: error(&tok.loc, "enumerator '%s' value cannot be represented as 'int'", name); } d = mkdecl(DECLCONST, &typeint, QUALNONE, LINKNONE); d->value = mkintconst(t->repr, i); + if (i >= 1ull << 31 && i < 1ull << 63) { + large = true; + d->type = &typeuint; + } + if (large && t->basic.issigned) + error(&tok.loc, "neither 'int' nor 'unsigned' can represent all enumerator values"); scopeputdecl(s, name, d); if (!consume(TCOMMA)) break; |