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Add --root-type option to flatc [C++, parser, JSON] (#4728)

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* Add --root-type option to flatc

To select or override a root_type

* Add help text from flatc --root-type to Compiler.md doc
This commit is contained in:
Paul Reimer
2018-05-07 16:07:52 -07:00
committed by Wouter van Oortmerssen
parent d215852f52
commit 6621424308
4 changed files with 20 additions and 3 deletions
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9
src/idl_parser.cpp
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@@ -2432,9 +2432,12 @@ CheckedError Parser::DoParse(const char *source, const char **include_paths,
auto root_type = attribute_;
EXPECT(kTokenIdentifier);
ECHECK(ParseNamespacing(&root_type, nullptr));
if (!SetRootType(root_type.c_str()))
return Error("unknown root type: " + root_type);
if (root_struct_def_->fixed) return Error("root type must be a table");
if (opts.root_type.empty()) {
if (!SetRootType(root_type.c_str()))
return Error("unknown root type: " + root_type);
if (root_struct_def_->fixed)
return Error("root type must be a table");
}
EXPECT(';');
} else if (IsIdent("file_identifier")) {
NEXT();