fluencelabs/interface-types
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vms
2021-04-21 00:43:17 +03:00
parent 5d219e963b
commit aa8ab1b1e3
26 changed files with 650 additions and 1110 deletions
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78
crates/it-lilo-utils/src/lib.rs
View File

@ -2,6 +2,84 @@ pub mod error;
pub mod memory_reader;
pub mod memory_writer;
pub use fluence_it_types::IRecordType;
pub use fluence_it_types::IType;
pub use fluence_it_types::IValue;
pub type MResult<T> = std::result::Result<T, error::MemoryAccessError>;
/// Size of a value in a serialized view.
pub fn ser_type_size(ty: &IType) -> usize {
const WASM_POINTER_SIZE: usize = 4;
match ty {
IType::Boolean | IType::S8 | IType::U8 => 1,
IType::S16 | IType::U16 => 2,
IType::S32 | IType::U32 | IType::I32 | IType::F32 => 4,
IType::Record(_) => 4,
// Vec-like types are passed by pointer and size
IType::String | IType::ByteArray | IType::Array(_) => 2 * WASM_POINTER_SIZE,
IType::S64 | IType::U64 | IType::I64 | IType::F64 => 8,
}
}
/// Size of a value in a serialized view.
pub fn ser_value_size(value: &IValue) -> usize {
match value {
IValue::Boolean(_) | IValue::S8(_) | IValue::U8(_) => 1,
IValue::S16(_) | IValue::U16(_) => 2,
IValue::S32(_) | IValue::U32(_) | IValue::F32(_) | IValue::I32(_) => 4,
IValue::S64(_) | IValue::U64(_) | IValue::F64(_) | IValue::I64(_) => 8,
IValue::String(_) | IValue::ByteArray(_) | IValue::Array(_) => 2 * 4,
IValue::Record(_) => 4,
}
}
/// Returns the record size in bytes.
pub fn record_size(record_type: &IRecordType) -> usize {
record_type
.fields
.iter()
.map(|f| ser_type_size(&f.ty))
.sum()
}
pub fn type_code_form_itype(itype: &IType) -> u32 {
const POINTER_CODE: u32 = 3; // u32 on the sdk
match itype {
IType::Boolean => 0, // u8
IType::U8 => 1, // u8
IType::U16 => 2, // u16
IType::U32 => 3, // u32
IType::U64 => 4, // u64
IType::S8 => 5, // i8
IType::S16 => 6, // i16
IType::S32 | IType::I32 => 7, // i32
IType::S64 | IType::I64 => 8, // i64
IType::F32 => 9, // f32
IType::F64 => 10, // f64
IType::ByteArray | IType::Array(_) | IType::Record(_) | IType::String => POINTER_CODE,
}
}
pub fn type_code_form_ivalue(itype: &IValue) -> u32 {
const POINTER_CODE: u32 = 3; // u32 on the sdk
match itype {
IValue::Boolean(_) => 0, // u8
IValue::U8(_) => 1, // u8
IValue::U16(_) => 2, // u16
IValue::U32(_) => 3, // u32
IValue::U64(_) => 4, // u64
IValue::S8(_) => 5, // i8
IValue::S16(_) => 6, // i16
IValue::S32(_) | IValue::I32(_) => 7, // i32
IValue::S64(_) | IValue::I64(_) => 8, // i64
IValue::F32(_) => 9, // f32
IValue::F64(_) => 10, // f64
IValue::ByteArray(_) | IValue::Array(_) | IValue::Record(_) | IValue::String(_) => {
POINTER_CODE
}
}
}

8
crates/it-lilo-utils/src/memory_writer.rs
View File

@ -14,8 +14,8 @@
* limitations under the License.
*/
use crate::MResult;
use crate::error::MemoryAccessError;
use crate::MResult;
use std::cell::Cell;
@ -75,7 +75,11 @@ impl<'m> MemoryWriter<'m> {
Ok(())
}
pub fn sequential_writer(&self, offset: usize, size: usize) -> MResult<SequentialWriter<'_, '_>> {
pub fn sequential_writer(
&self,
offset: usize,
size: usize,
) -> MResult<SequentialWriter<'_, '_>> {
self.check_access(offset, size)?;
Ok(SequentialWriter::new(&self, offset))