refactor(parser): all pointer manipulation through SourcePosition

[overlookmotel]

A safer and faster interface for reading source text using pointers than *ptr.

[overlookmotel]

Current dependencies on/for this PR:

• main
  • PR refactor(parser): all pointer manipulation through SourcePosition #2350 👈
    • PR refactor(parser): macro for ASCII identifier byte handlers #2351
      • PR perf(parser): lex identifiers as bytes not chars #2352
        • PR perf(parser): eat whitespace after line break #2353
          • PR perf(parser): skip single space between tokens branchlessly #2354

This stack of pull requests is managed by Graphite.

[codspeed-hq]

CodSpeed Performance Report

Merging #2350 will not alter performance

_{Comparing 02-08-refactor_parser_all_pointer_manipulation_through_SourcePosition_ (bbc42d6) with main (651b0b1)}

Summary

✅ 27 untouched benchmarks