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Allow bitwise operation on enums
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gingerBill committed Aug 26, 2018
1 parent e5735af commit 1830c1e
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Showing 2 changed files with 32 additions and 24 deletions.
27 changes: 13 additions & 14 deletions src/check_expr.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -1158,6 +1158,7 @@ bool check_unary_op(CheckerContext *c, Operand *o, Token op) {
bool check_binary_op(CheckerContext *c, Operand *o, Token op) {
// TODO(bill): Handle errors correctly
Type *type = base_type(core_array_type(o->type));
Type *ct = core_type(type);
switch (op.kind) {
case Token_Sub:
case Token_SubEq:
Expand Down Expand Up @@ -1197,7 +1198,7 @@ bool check_binary_op(CheckerContext *c, Operand *o, Token op) {
case Token_OrEq:
case Token_Xor:
case Token_XorEq:
if (!is_type_integer(type) && !is_type_boolean(type) && !is_type_bit_set(type)) {
if (!is_type_integer(ct) && !is_type_boolean(ct) && !is_type_bit_set(ct)) {
error(op, "Operator '%.*s' is only allowed with integers, booleans, or bit sets", LIT(op.string));
return false;
}
Expand All @@ -1215,7 +1216,7 @@ bool check_binary_op(CheckerContext *c, Operand *o, Token op) {

case Token_AndNot:
case Token_AndNotEq:
if (!is_type_integer(type) && !is_type_bit_set(type)) {
if (!is_type_integer(ct) && !is_type_bit_set(ct)) {
error(op, "Operator '%.*s' is only allowed with integers and bit sets", LIT(op.string));
return false;
}
Expand Down Expand Up @@ -3746,18 +3747,16 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
operand->mode = Addressing_Value;
operand->type = type;

convert_to_typed(c, &x, y.type);
if (x.mode == Addressing_Invalid) { return false; }
convert_to_typed(c, &y, x.type);
if (y.mode == Addressing_Invalid) { return false; }
convert_to_typed(c, &x, z.type);
if (x.mode == Addressing_Invalid) { return false; }
convert_to_typed(c, &z, x.type);
if (z.mode == Addressing_Invalid) { return false; }
convert_to_typed(c, &y, z.type);
if (y.mode == Addressing_Invalid) { return false; }
convert_to_typed(c, &z, y.type);
if (z.mode == Addressing_Invalid) { return false; }
Operand *ops[3] = {&x, &y, &z};
for (isize i = 0; i < 3; i++) {
Operand *a = ops[i];
for (isize j = 0; j < 3; j++) {
if (i == j) continue;
Operand *b = ops[j];
convert_to_typed(c, a, b->type);
if (a->mode == Addressing_Invalid) { return false; }
}
}

if (!are_types_identical(x.type, y.type) || !are_types_identical(x.type, z.type)) {
gbString type_x = type_to_string(x.type);
Expand Down
29 changes: 19 additions & 10 deletions src/exact_value.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -298,16 +298,6 @@ ExactValue exact_value_to_integer(ExactValue v) {
return r;
}

i64 exact_value_to_i64(ExactValue v) {
v = exact_value_to_integer(v);
i64 result = 0;
if (v.kind == ExactValue_Integer) {
return big_int_to_i64(&v.value_integer);
}
return result;
}


ExactValue exact_value_to_float(ExactValue v) {
switch (v.kind) {
case ExactValue_Integer:
Expand Down Expand Up @@ -370,6 +360,25 @@ ExactValue exact_value_make_imag(ExactValue v) {
return r;
}

i64 exact_value_to_i64(ExactValue v) {
v = exact_value_to_integer(v);
if (v.kind == ExactValue_Integer) {
return big_int_to_i64(&v.value_integer);
}
return 0;
}
f64 exact_value_to_f64(ExactValue v) {
v = exact_value_to_float(v);
if (v.kind == ExactValue_Float) {
return v.value_float;
}
return 0.0;
}






ExactValue exact_unary_operator_value(TokenKind op, ExactValue v, i32 precision, bool is_unsigned) {
switch (op) {
Expand Down

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