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use wasm_smith::Config;
use wasmparser::{types::Types, Validator, WasmFeatures};
pub fn parser_features_from_config(config: &Config) -> WasmFeatures {
let mut features = WasmFeatures::MUTABLE_GLOBAL | WasmFeatures::FLOATS;
features.set(
WasmFeatures::SATURATING_FLOAT_TO_INT,
config.saturating_float_to_int_enabled,
);
features.set(
WasmFeatures::SIGN_EXTENSION,
config.sign_extension_ops_enabled,
);
features.set(
WasmFeatures::REFERENCE_TYPES,
config.reference_types_enabled,
);
features.set(WasmFeatures::MULTI_VALUE, config.multi_value_enabled);
features.set(WasmFeatures::BULK_MEMORY, config.bulk_memory_enabled);
features.set(WasmFeatures::SIMD, config.simd_enabled);
features.set(WasmFeatures::RELAXED_SIMD, config.relaxed_simd_enabled);
features.set(WasmFeatures::MULTI_MEMORY, config.max_memories > 1);
features.set(WasmFeatures::EXCEPTIONS, config.exceptions_enabled);
features.set(WasmFeatures::MEMORY64, config.memory64_enabled);
features.set(WasmFeatures::TAIL_CALL, config.tail_call_enabled);
features.set(WasmFeatures::FUNCTION_REFERENCES, config.gc_enabled);
features.set(WasmFeatures::GC, config.gc_enabled);
features.set(
WasmFeatures::CUSTOM_PAGE_SIZES,
config.custom_page_sizes_enabled,
);
features
}
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);
}