Fixed parser locations

[glen-84]

Summary of the changes (Less than 80 chars)

• Fixed parser locations.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.96%. Comparing base (b5e9821) to head (7b443c1).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7189   +/-   ##
=======================================
  Coverage   77.95%   77.96%           
=======================================
  Files        2839     2839           
  Lines      142667   142667           
=======================================
+ Hits       111222   111224    +2     
+ Misses      31445    31443    -2     

Flag	Coverage Δ
unittests	77.96% <100.00%> (+<0.01%)	⬆️

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[glen-84]

From Slack (24 Jun at 5:33 PM):

I've marked the PR as a draft, because I think that there is a more general issue here.

As an example, if you want to parse the path here:

{ field1: field1 }
          ^^^^^^ <-- path

• You call ParseName, which calls ExpectName, which moves to the next token (the }).
• Then you record the location of the path, and the End is 18 instead of 16 because it's the end of the brace and not of the name token.

The location handling may need to be refactored – I'm not yet sure what the solution is.