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Within a macro, IntelliSense does not suggest members of a structure that is referenced through another macro

FT9R opened this issue · comments

commented

Environment

  • OS and Version: Windows 10 Pro 22H2
  • VS Code Version: 1.89.1
  • C/C++ Extension Version: 1.20.5

Bug Summary and Steps to Reproduce

Bug Summary:
By hitting ctrl+space IntelliSense is not able to provide any suggestions for struct members as shown in the attached screenshots.
The same thing happens also with struct pointer, dereferenced by ->

Steps to reproduce:

  1. Create a function-like macro :
#define SET_BIT(REG, BIT) ((REG) |= (BIT))
  1. Declare the struct:
struct
{
    int member1;
    int member2;
} Example;
  1. Create the alias for this struct:
#define STRUCT_DEF        Example
  1. Use new alias within a macro:
SET_BIT(STRUCT_DEF.member1, 1 << 0);

Expected behavior:
The alias STRUCT_DEF should be expanded after . (or -> if it's a pointer) operator

Configuration and Logs

{
    "configurations": [
        {
            "name": "Win32",
            "includePath": [
                "${workspaceFolder}/**"
            ],
            "defines": [
                "_DEBUG",
                "UNICODE",
                "_UNICODE"
            ],
            "windowsSdkVersion": "10.0.22621.0",
            "compilerPath": "cl.exe",
            "cStandard": "c17",
            "cppStandard": "c++17",
            "intelliSenseMode": "windows-msvc-x64",
            "configurationProvider": "iarsystems.iar-build"
        }
    ],
    "version": 4
}

-------- Diagnostics - 5/27/2024, 8:13:23 AM
Version: 1.20.5
Current Configuration:
{
    "name": "Win32",
    "includePath": [
        "e:/IAR_Projects/STM32F4xx/TIM/**"
    ],
    "defines": [
        "_DEBUG",
        "UNICODE",
        "_UNICODE"
    ],
    "windowsSdkVersion": "10.0.22621.0",
    "compilerPath": "cl.exe",
    "cStandard": "c17",
    "cppStandard": "c++17",
    "intelliSenseMode": "windows-msvc-x64",
    "configurationProvider": "iarsystems.iar-build",
    "compilerPathIsExplicit": true,
    "cStandardIsExplicit": true,
    "cppStandardIsExplicit": true,
    "intelliSenseModeIsExplicit": true,
    "compilerPathInCppPropertiesJson": "cl.exe",
    "configurationProviderInCppPropertiesJson": "iarsystems.iar-build",
    "mergeConfigurations": false,
    "browse": {
        "path": [
            "e:/IAR_Projects/STM32F4xx/TIM/**",
            "${workspaceFolder}"
        ],
        "limitSymbolsToIncludedHeaders": true
    }
}
Custom browse configuration: 
{
    "browsePath": [
        "E:\\IAR_Projects\\STM32F4xx\\TIM\\conf",
        "E:\\IAR_Projects\\STM32F4xx\\TIM\\inc",
        "E:\\IAR_Projects\\STM32F4xx\\TIM\\lib\\delay",
        "E:\\IAR_Projects\\STM32F4xx\\TIM\\lib\\STM32F4xx_StdPeriph_Driver\\inc",
        "D:\\Program Files\\IAR Systems\\Embedded Workbench 9.2\\arm\\CMSIS\\Core\\Include",
        "D:\\Program Files\\IAR Systems\\Embedded Workbench 9.2\\arm\\inc\\c\\aarch32",
        "D:\\Program Files\\IAR Systems\\Embedded Workbench 9.2\\arm\\inc",
        "D:\\Program Files\\IAR Systems\\Embedded Workbench 9.2\\arm\\inc\\c",
        "e:\\iar_projects\\stm32f4xx\\tim\\conf",
        "e:\\iar_projects\\stm32f4xx\\tim\\lib\\delay",
        "e:\\iar_projects\\stm32f4xx\\tim\\lib\\stm32f4xx_stdperiph_driver\\src",
        "e:\\iar_projects\\stm32f4xx\\tim\\src"
    ],
    "compilerPath": "",
    "standard": "c17",
    "windowsSdkVersion": "",
    "compilerArgsLegacy": []
}
cpptools version (native): 1.20.5.0
Translation Unit Mappings:
[ E:\IAR_Projects\STM32F4xx\TIM\src\main.c - source TU]:
Translation Unit Configurations:
[ E:\IAR_Projects\STM32F4xx\TIM\src\main.c ]:
    Process ID: 10080
    Memory Usage: 66 MB
    Includes:
        E:\IAR_Projects\STM32F4xx\TIM\conf
        E:\IAR_Projects\STM32F4xx\TIM\inc
        E:\IAR_Projects\STM32F4xx\TIM\lib\delay
        E:\IAR_Projects\STM32F4xx\TIM\lib\STM32F4xx_StdPeriph_Driver\inc
        D:\Program Files\IAR Systems\Embedded Workbench 9.2\arm\CMSIS\Core\Include
        D:\Program Files\IAR Systems\Embedded Workbench 9.2\arm\inc\c\aarch32
        D:\Program Files\IAR Systems\Embedded Workbench 9.2\arm\inc
        D:\Program Files\IAR Systems\Embedded Workbench 9.2\arm\inc\c
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        HSE_VALUE=8000000
        USE_STDPERIPH_DRIVER=1
        _DLIB_CONFIG_FILE_HEADER_NAME="D:\Program Files\IAR Systems\Embedded Workbench 9.2\arm\inc\c\DLib_Config_Normal.h"
        _DLIB_CONFIG_FILE_STRING="D:\\Program Files\\IAR Systems\\Embedded Workbench 9.2\\arm\\inc\\c\\DLib_Config_Normal.h"
        __VERSION__="IAR ANSI C/C++ Compiler V9.40.1.364/W64 for ARM"
        _VA_DEFINED=
        _VA_LIST=struct __va_list
        __absolute=
        __arm=
        __big_endian=
        __cmse_nonsecure_call=
        __cmse_nonsecure_entry=
        __exception=
        __fiq=
        __interwork=
        __intrinsic=
        __irq=
        __little_endian=
        __naked=
        __no_alloc=
        __no_alloc16=
        __no_alloc_str=
        __no_alloc_str16=
        __nested=
        __no_init=
        __noreturn=
        __nounwind=
        __packed=
        __pcrel=
        __ramfunc=
        __root=
        __ro_placement=
        __sbrel=
        __stackless=
        __svc=
        __swi=
        __task=
        __thumb=
        __weak=
        __fp16=float
        __constrange(...)=
        __c99_generic(...)=
        __spec_string=
        __func__=""
        __alignof__(a)=1
        __ALIGNOF__=__alignof__
        __section_begin(x)=((void*)0)
        __section_end(x)=((void*)0)
        __section_size(x)=((size_t)0)
    Standard Version: c17
    IntelliSense Mode: windows-clang-arm
    Other Flags:
        --clang
        --clang_version=160003
Total Memory Usage: 66 MB

------- Workspace parsing diagnostics -------
Number of files discovered (not excluded): 10361

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