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GH-102305: Expand some macros in generated_cases.c.h#102309

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gvanrossum merged 2 commits intopython:mainfromgvanrossum:fewer-macros
Feb 28, 2023

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@gvanrossumgvanrossum commentedFeb 28, 2023
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The code generator usedPEEK(i) to read thei-th stack item (1-based). Since this just obscures the meaning, we're just emittingstack_pointer[-i] now. Similar forPOKE(i, x), which becomesstack_pointer[-i] = x.

Similar forJUMPBY(i), becomesnext_instr += i.

Also expandNEXTOPARG() -- in the expansion I found that it is redundantly extracting the opcode (in the case of a super-instruction) so removed that,leaving onlyoparg = (next_instr++)->op.arg.

@gvanrossumgvanrossum changed the titleGH-102305: Expand PEEK() and POKE() macrosGH-102305: Expand some macros in generated_cases.c.hFeb 28, 2023
@gvanrossumgvanrossum marked this pull request as ready for reviewFebruary 28, 2023 01:33
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Just gonna merge, this isn't rocket science.

brandtbucher reacted with thumbs up emojibrandtbucher reacted with rocket emoji

@gvanrossumgvanrossum merged commitb5ff382 intopython:mainFeb 28, 2023
@gvanrossumgvanrossum deleted the fewer-macros branchFebruary 28, 2023 16:49
carljm added a commit to carljm/cpython that referenced this pull requestFeb 28, 2023
* main: (67 commits)pythongh-99108: Add missing md5/sha1 defines to Modules/Setup (python#102308)pythongh-100227: Move _str_replace_inf to PyInterpreterState (pythongh-102333)pythongh-100227: Move the dtoa State to PyInterpreterState (pythongh-102331)pythonGH-102305: Expand some macros in generated_cases.c.h (python#102309)  Migrate to new PSF mailgun account (python#102284)pythongh-102192: Replace PyErr_Fetch/Restore etc by more efficient alternatives (in Python/) (python#102193)pythonGH-90744: Fix erroneous doc links in the sys module (python#101319)pythongh-87092: Make jump target label equal to the offset of the target in the instructions sequence (python#102093)pythongh-101101: Unstable C API tier (PEP 689) (pythonGH-101102)  IDLE: Simplify DynOptionsMenu __init__code (python#101371)pythongh-101561: Add typing.override decorator (python#101564)pythongh-101825: Clarify that as_integer_ratio() output is always normalized (python#101843)pythongh-101773: Optimize creation of Fractions in private methods (python#101780)pythongh-102251: Updates to test_imp Toward Fixing Some Refleaks (pythongh-102254)pythongh-102296 Document that inspect.Parameter kinds support ordering (pythonGH-102297)pythongh-102250: Fix double-decref in COMPARE_AND_BRANCH error case (pythonGH-102287)pythongh-101100: Fix sphinx warnings in `types` module (python#102274)pythongh-91038: Change default argument value to `False` instead of `0` (python#31621)pythongh-101765: unicodeobject: use Py_XDECREF correctly (python#102283)  [doc] Improve grammar/fix missing word (pythonGH-102060)  ...
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@markshannonmarkshannonAwaiting requested review from markshannonmarkshannon is a code owner

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