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Get marshalling of integers working

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This commit is contained in:
John J. Camilleri
2021-10-07 12:54:02 +02:00
parent e33d881ce8
commit db66144c25
6 changed files with 82 additions and 31 deletions
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30
src/runtime/javascript/ffi.ts
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@@ -1,12 +1,13 @@
/* eslint-disable @typescript-eslint/naming-convention */
import { ExprLit, Literal } from './expr'
import ffi from 'ffi-napi'
import ref, { Pointer } from 'ref-napi'
import ref_struct from 'ref-struct-di'
const Struct = ref_struct(ref)
export const PgfExpr = ref.refType(ref.types.void)
export const PgfLiteral = ref.refType(ref.types.void)
export const PgfExpr = ref.refType(ref.types.Object)
export const PgfLiteral = ref.refType(ref.types.Object)
const PgfUnmarshallerVtbl = Struct({
eabs: ref.refType(ref.types.void),
@@ -28,24 +29,25 @@ export const PgfUnmarshaller = Struct({
})
const elit = ffi.Callback(PgfExpr, [PgfUnmarshaller, PgfLiteral],
function (self, lit: Pointer<any>): any { // eslint-disable-line @typescript-eslint/no-unused-vars
console.log('myelit')
console.log(' lit', lit)
return lit.deref()
function (self, lit: Pointer<any>): Pointer<ExprLit> {
const litObj = lit.deref() as Literal
const obj = new ExprLit(litObj)
const buf = ref.alloc(ref.types.Object) as Pointer<ExprLit>
ref.writeObject(buf, 0, obj)
return buf
})
const lint = ffi.Callback(PgfLiteral, [PgfUnmarshaller, ref.types.size_t, ref.refType(ref.types.uint)],
function (self, size: number, val: Pointer<number>): any { // eslint-disable-line @typescript-eslint/no-unused-vars
console.log('mylint')
console.log(' size', size)
console.log(' val', val.deref())
// const x: number = val.deref()
return val
function (self, size: number, val: Pointer<number>): Pointer<Literal> {
const obj = new Literal(val.deref())
const buf = ref.alloc(ref.types.Object) as Pointer<Literal>
ref.writeObject(buf, 0, obj)
return buf
})
const free_ref = ffi.Callback(ref.types.void, [PgfUnmarshaller, ref.refType(ref.types.void)],
function (self, x: any): void { // eslint-disable-line @typescript-eslint/no-unused-vars
console.log('free_ref')
function (self, x: any): void {
// console.log('free_ref')
})
const vtbl = new PgfUnmarshallerVtbl({