98     const bitWidth = uwidth(length);  constant
99     const byteWidth = this.align(bitWidth);
104     this.stack.push(this.offsetStackValue(blobOffset, ValueType.BLOB, bitWidth));
115     const bitWidth = uwidth(length);  constant
116     const byteWidth = this.align(bitWidth);
121     const stackValue = this.offsetStackValue(stringOffset, ValueType.STRING, bitWidth);
334     let bitWidth = uwidth(vecLength);  variable
338       if (elementWidth > bitWidth) {
339         bitWidth = elementWidth;
347       if (elementWidth > bitWidth) {
348         bitWidth = elementWidth;
359     const byteWidth = this.align(bitWidth);
378       return this.offsetStackValue(vecOffset, ValueType.MAP, bitWidth);
382       return this.offsetStackValue(vecOffset, vType, bitWidth);
384     return this.offsetStackValue(vecOffset, ValueType.VECTOR, bitWidth);
407   private offsetStackValue(offset: number, valueType: ValueType, bitWidth: BitWidth): StackValue {
408     return new StackValue(this, valueType, bitWidth, null, offset);