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[swift] add had<ArrayName> property for arrays to check presence in a message (#7280)

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mr-swifter
2022-05-11 16:35:53 +03:00
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parent 0fe13cb28c
commit 1ea2472f7a
11 changed files with 153 additions and 1 deletions
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3
src/idl_gen_swift.cpp
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@@ -835,6 +835,9 @@ class SwiftGenerator : public BaseGenerator {
std::string const_string = "return o == 0 ? {{CONSTANT}} : ";
const auto vectortype = field.value.type.VectorType();
code_.SetValue("SIZE", NumToString(InlineSize(vectortype)));
code_.SetValue("HAS_FIELDVAR", namer_.Variable("has", field));
code_ += "{{ACCESS_TYPE}} var {{HAS_FIELDVAR}}: Bool { " + GenOffset() +
"return o == 0 ? false : true }";
code_ += "{{ACCESS_TYPE}} var {{FIELDVAR}}Count: Int32 { " + GenOffset() +
"return o == 0 ? 0 : {{ACCESS}}.vector(count: o) }";
code_.SetValue("CONSTANT", IsScalar(vectortype.base_type) ? "0" : "nil");