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-rw-r--r--src/compile/optionals.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/src/compile/optionals.c b/src/compile/optionals.c
index 8cb6af2b..798d75a6 100644
--- a/src/compile/optionals.c
+++ b/src/compile/optionals.c
@@ -85,19 +85,27 @@ Text_t check_none(type_t *t, Text_t value) {
t = Match(t, OptionalType)->type;
// NOTE: these use statement expressions ({...;}) because some compilers
// complain about excessive parens around equality comparisons
- if (t->tag == PointerType || t->tag == FunctionType || t->tag == CStringType) return Texts("(", value, " == NULL)");
- else if (t->tag == BigIntType) return Texts("((", value, ").small == 0)");
- else if (t->tag == ClosureType) return Texts("((", value, ").fn == NULL)");
- else if (t->tag == NumType)
- return Texts(Match(t, NumType)->bits == TYPE_NBITS64 ? "Num$isnan(" : "Num32$isnan(", value, ")");
- else if (t->tag == ListType) return Texts("((", value, ").data == NULL)");
- else if (t->tag == TableType) return Texts("((", value, ").entries.data == NULL)");
- else if (t->tag == BoolType) return Texts("((", value, ") == NONE_BOOL)");
- else if (t->tag == TextType) return Texts("((", value, ").tag == TEXT_NONE)");
- else if (t->tag == IntType || t->tag == ByteType || t->tag == StructType) return Texts("!(", value, ").has_value");
- else if (t->tag == EnumType) return Texts("((", value, ").$tag == 0)");
- print_err("Optional check not implemented for: ", type_to_text(t));
- return EMPTY_TEXT;
+ switch (t->tag) {
+ case PointerType:
+ case FunctionType:
+ case CStringType:
+ case PathType: return Texts("(", value, " == NULL)");
+ case BigIntType: return Texts("((", value, ").small == 0)");
+ case ClosureType: return Texts("((", value, ").fn == NULL)");
+ case NumType: return Texts(Match(t, NumType)->bits == TYPE_NBITS64 ? "Num$isnan(" : "Num32$isnan(", value, ")");
+ case ListType: return Texts("((", value, ").data == NULL)");
+ case TableType: return Texts("((", value, ").entries.data == NULL)");
+ case BoolType: return Texts("((", value, ") == NONE_BOOL)");
+ case TextType: return Texts("((", value, ").tag == TEXT_NONE)");
+ case IntType:
+ case ByteType:
+ case StructType: return Texts("!(", value, ").has_value");
+ case EnumType: return Texts("((", value, ").$tag == 0)");
+ default: {
+ print_err("Optional check not implemented for: ", type_to_text(t));
+ return EMPTY_TEXT;
+ }
+ }
}
public