canadensis_codegen_rust 0.6.1

Generates Rust code for data types based on Cyphal DSDL files
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

use canadensis_dsdl_frontend::types::PrimitiveType;
use canadensis_dsdl_frontend::TypeKey;
use num_bigint::BigInt;

pub type Result<T> = std::result::Result<T, Error>;

#[derive(thiserror::Error, Debug)]
pub enum EnumError {
    #[error("Multiple fields or no field in enum type, expected one discriminant field")]
    EnumMultipleFields,
    #[error("Field {0} must be an unsigned integer")]
    FieldType(String),
    #[error("Constant {name} has type {actual}, but should be the same as the field ({expected})")]
    ConstantType {
        name: String,
        actual: PrimitiveType,
        expected: PrimitiveType,
    },
    #[error("Constant {name} has value {value}, which is already used by {already_used_by}")]
    ConstantValue {
        name: String,
        value: BigInt,
        already_used_by: String,
    },
    #[error("#[canadensis(enum)] is not allowed on DSDL union types")]
    NotStruct,
}

#[derive(thiserror::Error, Debug)]
pub enum Error {
    #[error("Failed to generate code for {key}")]
    Dsdl {
        key: TypeKey,
        #[source]
        inner: Box<dyn std::error::Error>,
    },
}