internal/parser:parse unexpose type

[luoliwoshang]

resolved #497

invest

the gpspi_flash_ll_clock_reg_t and spimem_flash_ll_clock_reg_t 's ast node because not support the typeof(GPSPI2.clock.val) parse,to not generate this typedef node

extern spi_dev_t GPSPI2;
extern spi_mem_dev_t SPIMEM0;

typedef typeof(GPSPI2.clock.val) gpspi_flash_ll_clock_reg_t;
typedef typeof(SPIMEM1.clock.val) spimem_flash_ll_clock_reg_t;

and at the union node , will compare the node's type 's size to choose the largest field as the field , but because the gpspi_flash_ll_clock_reg_t have not defined ,so it make a implict forward decl,and have not init,so when get the gpspi's size will cause panic: nil underlying

resolution

typedef typeof(GPSPI2_t.clock.val) gpspi_flash_ll_clock_reg_t;

with the underlying typeof(SPIMEM1.clock.val) got the Unexpose type kind in libclang,we can use the canonicalType to get the actual type.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.14%. Comparing base (7f8de48) to head (80a1c04).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #506   +/-   ##
=======================================
  Coverage   84.14%   84.14%           
=======================================
  Files          27       27           
  Lines        2738     2738           
=======================================
  Hits         2304     2304           
  Misses        391      391           
  Partials       43       43           

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