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Fix #831

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This commit is contained in:
gingerBill
2021-01-27 15:27:38 +00:00
parent c71c86f563
commit e64eb74eef
2 changed files with 56 additions and 2 deletions
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51
src/check_expr.cpp
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@@ -1801,6 +1801,50 @@ void check_unary_expr(CheckerContext *c, Operand *o, Token op, Ast *node) {
o->mode = Addressing_Value;
}
void add_comparison_procedures_for_fields(CheckerContext *c, Type *t) {
if (t == nullptr) {
return;
}
t = base_type(t);
if (!is_type_comparable(t)) {
return;
}
switch (t->kind) {
case Type_Basic:
switch (t->Basic.kind) {
case Basic_complex64:
add_package_dependency(c, "runtime", "complex64_eq");
add_package_dependency(c, "runtime", "complex64_ne");
break;
case Basic_complex128:
add_package_dependency(c, "runtime", "complex128_eq");
add_package_dependency(c, "runtime", "complex128_ne");
break;
case Basic_quaternion128:
add_package_dependency(c, "runtime", "quaternion128_eq");
add_package_dependency(c, "runtime", "quaternion128_ne");
break;
case Basic_quaternion256:
add_package_dependency(c, "runtime", "quaternion256_eq");
add_package_dependency(c, "runtime", "quaternion256_ne");
break;
case Basic_cstring:
add_package_dependency(c, "runtime", "cstring_to_string");
/*fallthrough*/
case Basic_string:
add_package_dependency(c, "runtime", "string_eq");
add_package_dependency(c, "runtime", "string_ne");
break;
}
break;
case Type_Struct:
for_array(i, t->Struct.fields) {
add_comparison_procedures_for_fields(c, t->Struct.fields[i]->type);
}
break;
}
}
void check_comparison(CheckerContext *c, Operand *x, Operand *y, TokenKind op) {
if (x->mode == Addressing_Type && y->mode == Addressing_Type) {
@@ -1867,6 +1911,13 @@ void check_comparison(CheckerContext *c, Operand *x, Operand *y, TokenKind op) {
defer (gb_string_free(type_string));
err_str = gb_string_make(temporary_allocator(),
gb_bprintf("operator '%.*s' not defined for type '%s'", LIT(token_strings[op]), type_string));
} else {
Type *comparison_type = x->type;
if (x->type == err_type && is_operand_nil(*x)) {
comparison_type = y->type;
}
add_comparison_procedures_for_fields(c, comparison_type);
}
} else {
gbString xt, yt;