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Implement optional scalars for JSON (#7322)

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* Implement optional scalars for JSON

* Add optional scalars JSON test

* Extend JSON optional scalars test to test without defaults

* Fix optional scalars in JSON for binary schema

Co-authored-by: Caleb Zulawski <caleb.zulawski@caci.com>
This commit is contained in:
Caleb Zulawski
2022-06-14 18:00:24 -04:00
committed by GitHub
parent 090caa2809
commit a18ea40d6a
5 changed files with 132 additions and 10 deletions
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18
src/idl_parser.cpp
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@@ -1335,10 +1335,18 @@ CheckedError Parser::ParseTable(const StructDef &struct_def, std::string *value,
ECHECK(atot(field_value.constant.c_str(), *this, &val)); \
builder_.PushElement(val); \
} else { \
CTYPE val, valdef; \
ECHECK(atot(field_value.constant.c_str(), *this, &val)); \
ECHECK(atot(field->value.constant.c_str(), *this, &valdef)); \
builder_.AddElement(field_value.offset, val, valdef); \
if (field->IsScalarOptional()) { \
if (field_value.constant != "null") { \
CTYPE val; \
ECHECK(atot(field_value.constant.c_str(), *this, &val)); \
builder_.AddElement(field_value.offset, val); \
} \
} else { \
CTYPE val, valdef; \
ECHECK(atot(field_value.constant.c_str(), *this, &val)); \
ECHECK(atot(field->value.constant.c_str(), *this, &valdef)); \
builder_.AddElement(field_value.offset, val, valdef); \
} \
} \
break;
FLATBUFFERS_GEN_TYPES_SCALAR(FLATBUFFERS_TD)
@@ -2469,7 +2477,7 @@ bool Parser::SupportsOptionalScalars(const flatbuffers::IDLOptions &opts) {
IDLOptions::kRust | IDLOptions::kSwift | IDLOptions::kLobster |
IDLOptions::kKotlin | IDLOptions::kCpp | IDLOptions::kJava |
IDLOptions::kCSharp | IDLOptions::kTs | IDLOptions::kBinary |
IDLOptions::kGo | IDLOptions::kPython;
IDLOptions::kGo | IDLOptions::kPython | IDLOptions::kJson;
unsigned long langs = opts.lang_to_generate;
return (langs > 0 && langs < IDLOptions::kMAX) && !(langs & ~supported_langs);
}