Method createPackedFuncFromSafeCallType

web/src/runtime.ts:2013–2037

(
    func: ctypes.FTVMFFIWasmSafeCallType
  )

  }

  private createPackedFuncFromSafeCallType(
    func: ctypes.FTVMFFIWasmSafeCallType
  ): PackedFunc {
    let findex = this.env.packedCFuncTable.length;
    if (this.env.packedCFuncTableFreeId.length != 0) {
      findex = this.env.packedCFuncTableFreeId.pop() as number;
    } else {
      this.env.packedCFuncTable.push(undefined);
    }
    this.env.packedCFuncTable[findex] = func;

    const stack = this.lib.getOrAllocCallStack();
    const outOffset = stack.allocPtrArray(1);
    const outPtr = stack.ptrFromOffset(outOffset);
    this.lib.checkCall(
      (this.exports
        .TVMFFIWasmFunctionCreate as ctypes.FTVMFFIWasmFunctionCreate)(
          findex,
          outPtr
        )
    );
    const ret = this.makePackedFunc(this.memory.loadPointer(outPtr));
    this.lib.recycleCallStack(stack);
    return ret;
  }

  /**
   * Set packed function arguments into the location indicated by argsValue and argsCode.