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| author |   Shantanu <hauntsaninja@users.noreply.github.com> | 2020-05-03 22:08:14 -0700 |
|---|---|---|
| committer |   GitHub <noreply@github.com> | 2020-05-03 22:08:14 -0700 |
| commit | 603d3546264149f323edb7952b60075fb6bc4dc2 (patch) | |
| tree | a0ef9ad7c3453ac9cb48f3ed3cfa2268d565d438 /Grammar | |
| parent | Clean up unused imports for the peg generator module (GH-19891) (diff) | |
| download | cpython-603d3546264149f323edb7952b60075fb6bc4dc2.tar.gz cpython-603d3546264149f323edb7952b60075fb6bc4dc2.tar.bz2 cpython-603d3546264149f323edb7952b60075fb6bc4dc2.zip | |
bpo-40493: fix function type comment parsing (GH-19894)
The grammar for func_type_input rejected things like `(*t1) ->t2`. This fixes that.
Automerge-Triggered-By: @gvanrossum
Diffstat (limited to 'Grammar')
| -rw-r--r-- | Grammar/python.gram | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Grammar/python.gram b/Grammar/python.gram index cbd4bc010dc..8e494905cea 100644 --- a/Grammar/python.gram +++ b/Grammar/python.gram @@ -40,6 +40,10 @@ type_expressions[asdl_seq*]: _PyPegen_seq_append_to_end(p, CHECK(_PyPegen_seq_append_to_end(p, a, b)), c) } | a=','.expression+ ',' '*' b=expression { _PyPegen_seq_append_to_end(p, a, b) } | a=','.expression+ ',' '**' b=expression { _PyPegen_seq_append_to_end(p, a, b) } + | '*' a=expression ',' '**' b=expression { + _PyPegen_seq_append_to_end(p, CHECK(_PyPegen_singleton_seq(p, a)), b) } + | '*' a=expression { _PyPegen_singleton_seq(p, a) } + | '**' a=expression { _PyPegen_singleton_seq(p, a) } | ','.expression+ statements[asdl_seq*]: a=statement+ { _PyPegen_seq_flatten(p, a) } |