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Rust structz (#6539)

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* Rust structz

* struct of structs test

* swift tmp variables

Co-authored-by: Casper Neo <cneo@google.com>
This commit is contained in:
Casper
2021-03-29 19:56:45 -04:00
committed by GitHub
parent 1c26d2a1a0
commit 4133a39df8
25 changed files with 1681 additions and 564 deletions
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12
src/idl_gen_rust.cpp
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@@ -2318,7 +2318,10 @@ class RustGenerator : public BaseGenerator {
code_.SetValue("FIELD_OFFSET", NumToString(offset_to_field));
code_.SetValue("REF", IsStruct(field.value.type) ? "&" : "");
cb(field);
offset_to_field += SizeOf(field.value.type.base_type) + field.padding;
const size_t size = IsStruct(field.value.type)
? field.value.type.struct_def->bytesize
: SizeOf(field.value.type.base_type);
offset_to_field += size + field.padding;
}
}
// Generate an accessor struct with constructor for a flatbuffers struct.
@@ -2339,8 +2342,13 @@ class RustGenerator : public BaseGenerator {
// hold for PartialOrd/Ord.
code_ += "// struct {{STRUCT_NAME}}, aligned to {{ALIGN}}";
code_ += "#[repr(transparent)]";
code_ += "#[derive(Clone, Copy, PartialEq, Default)]";
code_ += "#[derive(Clone, Copy, PartialEq)]";
code_ += "pub struct {{STRUCT_NAME}}(pub [u8; {{STRUCT_SIZE}}]);";
code_ += "impl Default for {{STRUCT_NAME}} { ";
code_ += " fn default() -> Self { ";
code_ += " Self([0; {{STRUCT_SIZE}}])";
code_ += " }";
code_ += "}";
// Debug for structs.
code_ += "impl std::fmt::Debug for {{STRUCT_NAME}} {";