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rust: turn evmc_host_context into a void type #524

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axic merged 1 commit into from
May 22, 2022
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rust: turn evmc_host_context into a void type #524

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2 changes: 1 addition & 1 deletion bindings/rust/evmc-sys/build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ fn gen_bindings() {
.derive_hash(true)
// force deriving the PratialEq trait on basic types (address, bytes32)
.derive_partialeq(true)
.opaque_type("evmc_host_context")
.blocklist_type("evmc_host_context")
.allowlist_type("evmc_.*")
.allowlist_function("evmc_.*")
.allowlist_var("EVMC_ABI_VERSION")
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5 changes: 5 additions & 0 deletions bindings/rust/evmc-sys/src/lib.rs
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Expand Up @@ -8,6 +8,11 @@

include!(concat!(env!("OUT_DIR"), "/bindings.rs"));

// Defining evmc_host_context here, because bindgen cannot create a useful declaration yet.

/// This is a void type given host context is an opaque pointer. Functions allow it to be a null ptr.
pub type evmc_host_context = ::std::os::raw::c_void;
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@axic axic Jun 24, 2020 •
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Perhaps this is the best option, given this is a completely opaque type, unless there is something like raw::intptr.


// TODO: add `.derive_default(true)` to bindgen instead?

impl Default for evmc_address {
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