Files
gf-core/src/runtime/javascript/ffi.ts
2021-10-05 15:33:19 +02:00

69 lines
2.3 KiB
TypeScript

/* eslint-disable @typescript-eslint/naming-convention */
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)
const PgfUnmarshallerVtbl = Struct({
eabs: ref.refType(ref.types.void),
eapp: ref.refType(ref.types.void),
elit: ref.refType(ref.types.void),
emeta: ref.refType(ref.types.void),
efun: ref.refType(ref.types.void),
evar: ref.refType(ref.types.void),
etyped: ref.refType(ref.types.void),
eimplarg: ref.refType(ref.types.void),
lint: ref.refType(ref.types.void),
lflt: ref.refType(ref.types.void),
lstr: ref.refType(ref.types.void),
dtyp: ref.refType(ref.types.void),
free_ref: ref.refType(ref.types.void)
})
export const PgfUnmarshaller = Struct({
vtbl: ref.refType(PgfUnmarshallerVtbl)
})
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()
})
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
})
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')
})
const vtbl = new PgfUnmarshallerVtbl({
eabs: ref.alloc('void').ref(),
eapp: ref.alloc('void').ref(),
elit: elit as any,
emeta: ref.alloc('void').ref(),
efun: ref.alloc('void').ref(),
evar: ref.alloc('void').ref(),
etyped: ref.alloc('void').ref(),
eimplarg: ref.alloc('void').ref(),
lint: lint as any,
lflt: ref.alloc('void').ref(),
lstr: ref.alloc('void').ref(),
dtyp: ref.alloc('void').ref(),
free_ref: free_ref as any
})
export const unmarshaller = new PgfUnmarshaller({ vtbl: vtbl.ref() })
export const marshaller = {}