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use wasm_smith::Config;
use wasmparser::{types::Types, Validator, WasmFeatures};
pub fn parser_features_from_config(config: &Config) -> WasmFeatures {
WasmFeatures {
mutable_global: true,
saturating_float_to_int: config.saturating_float_to_int_enabled,
sign_extension: config.sign_extension_ops_enabled,
reference_types: config.reference_types_enabled,
multi_value: config.multi_value_enabled,
bulk_memory: config.bulk_memory_enabled,
simd: config.simd_enabled,
relaxed_simd: config.relaxed_simd_enabled,
multi_memory: config.max_memories > 1,
exceptions: config.exceptions_enabled,
memory64: config.memory64_enabled,
tail_call: config.tail_call_enabled,
function_references: config.gc_enabled,
gc: config.gc_enabled,
threads: false,
floats: true,
extended_const: false,
component_model: false,
memory_control: false,
component_model_values: false,
component_model_nested_names: false,
}
}
pub fn validate(validator: &mut Validator, bytes: &[u8]) -> Types {
let err = match validator.validate_all(bytes) {
Ok(types) => return types,
Err(e) => e,
};
eprintln!("Writing Wasm to `test.wasm`");
drop(std::fs::write("test.wasm", &bytes));
if let Ok(text) = wasmprinter::print_bytes(bytes) {
eprintln!("Writing WAT to `test.wat`");
drop(std::fs::write("test.wat", &text));
}
panic!("wasm failed to validate: {}", err);
}
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