Module wasmer_interface_types::encoders::wat

Writes the AST into a string representing WIT with its textual format.

Example

use wasmer_interface_types::{
    ast::*,
    encoders::wat::*,
    interpreter::Instruction,
};

let input: String = (&Interfaces {
    types: vec![Type {
        inputs: vec![InterfaceType::I32],
        outputs: vec![InterfaceType::S8],
    }],
    imports: vec![Import {
        namespace: "ns",
        name: "foo",
        signature_type: 0,
    }],
    adapters: vec![Adapter {
        function_type: 0,
        instructions: vec![Instruction::ArgumentGet { index: 42 }],
    }],
    exports: vec![Export {
        name: "bar",
        function_type: 0,
    }],
    implementations: vec![Implementation {
        core_function_type: 0,
        adapter_function_type: 1,
    }],
})
    .to_string();
let output = r#";; Types
(@interface type (func
  (param i32)
  (result s8)))

;; Imports
(@interface import "ns" "foo" (func (type 0)))

;; Adapters
(@interface func (type 0)
  arg.get 42)

;; Exports
(@interface export "bar" (func 0))

;; Implementations
(@interface implement (func 0) (func 1))"#;

assert_eq!(input, output);