Arduino plugin does not return proper sizeof()

[sslupsky]

I have encountered a problem with the plugin that incorrectly reports the size of types when using the Arduino SAMD21 core.

Here is an example:

#include <Arduino.h>

void setup()
{
    uint32_t x = sizeof(x);
    Serial.begin(115200);
    Serial.println(x, DEC);
}

void loop()
{
	
}

When you hover over the "sizeof", vscode displays "(uint32_t)8UL. This is not correct. The proper size of this type is 4 on the Arduino SAMD21 architecture.

When you compile the code, sizeof returns the proper size of the type (in this case, 4).

Here is a copy of my c_cpp_properties.json:

{
    "configurations": [
        {
            "name": "Mac",
            "includePath": [
                "/Users/stevenslupsky/Library/Arduino15/packages/arduino/tools/**",
                "/Users/stevenslupsky/Library/Arduino15/packages/arduino/hardware/samd/1.8.2/**"
            ],
            "forcedInclude": [
                "/Users/stevenslupsky/Library/Arduino15/packages/arduino/hardware/samd/1.8.2/cores/arduino/Arduino.h"
            ],
            "defines": [
                "__CC_ARM",
                "F_CPU=48000000L",
                "ARDUINO=10607",
                "ARDUINO_SAMD_MKRWAN1300",
                "ARDUINO_ARCH_SAMD",
                "USE_ARDUINO_MKR_PIN_LAYOUT",
                "__SAMD21G18A__",
                "USB_VID=0x2341",
                "USB_PID=0x8053",
                "USBCON",
                "USE_BQ24195L_PMIC",
                "VERY_LOW_POWER"
            ],
            "macFrameworkPath": [
                "/System/Library/Frameworks",
                "/Library/Frameworks"
            ],
            "intelliSenseMode": "gcc-x64",
            "compilerPath": "/Users/stevenslupsky/Library/Arduino15/packages/arduino/tools/arm-none-eabi-gcc/7-2017q4/bin/arm-none-eabi-g++",
            "cStandard": "c11",
            "cppStandard": "c++11"
        }
    ],
    "version": 4
}