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bpo-40528: Improve AST generation script to do builds simultaneously (GH-19968)

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- Switch from getopt to argparse.
- Removed the limitation of not being able to produce both C and H simultaneously.

This will make it run faster since it parses the asdl definition once and uses the generated tree to generate both the header and the C source.
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Batuhan Taskaya 2020-05-18 20:42:10 +03:00 • committed by GitHub
parent 7b7a21bc4f
commit 63b8e0cba3
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3 changed files with 80 additions and 99 deletions
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PCbuild/regen.vcxproj
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@ -176,20 +176,15 @@
<Warning Text="Pegen updated. You will need to rebuild pythoncore to see the changes." Condition="'@(_UpdatedParse)' != ''" />
</Target>
<Target Name="_RegenAST_H" AfterTargets="_RegenGrammar">
<!-- Regenerate Include/Python-ast.h using Parser/asdl_c.py -h -->
<Exec Command="&quot;$(PythonExe)&quot; &quot;$(PySourcePath)Parser\asdl_c.py&quot; -h &quot;$(IntDir)Python-ast.h&quot; &quot;$(PySourcePath)Parser\Python.asdl&quot;" />
<!-- Regenerate Include/Python-ast.h and Python/Python-ast.c using Parser/asdl_c.py -h -->
<Exec Command="&quot;$(PythonExe)&quot; &quot;$(PySourcePath)Parser\asdl_c.py&quot; &quot;$(PySourcePath)Parser\Python.asdl&quot; -H &quot;$(IntDir)Python-ast.h&quot; -C &quot;$(IntDir)Python-ast.c&quot;" />
<Copy SourceFiles="$(IntDir)Python-ast.h" DestinationFiles="$(PySourcePath)Include\Python-ast.h">
<Output TaskParameter="CopiedFiles" ItemName="_UpdatedH" />
</Copy>
<Warning Text="Python-ast.h updated. You will need to rebuild pythoncore to see the changes." Condition="'@(_UpdatedH)' != '' and '@(_UpdatedC)' != ''" />
</Target>
<Target Name="_RegenAST_C" AfterTargets="_RegenGrammar">
<!-- Regenerate Python/Python-ast.c using Parser/asdl_c.py -c -->
<Exec Command="&quot;$(PythonExe)&quot; &quot;$(PySourcePath)Parser\asdl_c.py&quot; -c &quot;$(IntDir)Python-ast.c&quot; &quot;$(PySourcePath)Parser\Python.asdl&quot;" />
<Copy SourceFiles="$(IntDir)Python-ast.c" DestinationFiles="$(PySourcePath)Python\Python-ast.c">
<Output TaskParameter="CopiedFiles" ItemName="_UpdatedH" />
<Output TaskParameter="CopiedFiles" ItemName="_UpdatedC" />
</Copy>
<Warning Text="Python-ast.c updated. You will need to rebuild pythoncore to see the changes." Condition="'@(_UpdatedH)' != '' and '@(_UpdatedC)' != ''" />
<Warning Text="ASDL is updated. You will need to rebuild pythoncore to see the changes." Condition="'@(_UpdatedH)' != '' and '@(_UpdatedC)' != ''" />
</Target>
<Target Name="_RegenOpcodes" AfterTargets="_RegenAST_C">
<!-- Regenerate Include/opcode.h from Lib/opcode.py using Tools/scripts/generate_opcode_h.py-->