8000 [mypyc] Initial optimization for f-string through a str.join() specializer by 97littleleaf11 · Pull Request #10776 · python/mypy · GitHub
[go: up one dir, main page]
Skip to content

[mypyc] Initial optimization for f-string through a str.join() specializer #10776

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 8 commits into from
Jul 8, 2021
Merged

[mypyc] Initial optimization for f-string through a str.join() specializer #10776

Changes from 1 commit
Commits
Show all changes
8 commits
Select commit Hold shift + click to select a range
4ac5f4e
[mypyc] Faster fstring
97littleleaf11 Jul 6, 2021
ba750cd
Fix WORD_SIZE
97littleleaf11 Jul 7, 2021
bfcf56a
Fix
97littleleaf11 Jul 7, 2021
7d2b052
Add isinstance check for StrExpr
97littleleaf11 Jul 7, 2021
a9908ed
Add some tests
97littleleaf11 Jul 8, 2021
5bfc3b9
Fix
97littleleaf11 Jul 8, 2021
0265a9b
Add test and comments
97littleleaf11 Jul 8, 2021
71b0583
Merge branch 'master' into fstring-specializer
97littleleaf11 Jul 8, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Next Next commit
Fix
  • Loading branch information
@97littleleaf11
97littleleaf11 committed Jul 7, 2021
commit bfcf56abd9c62013f9145ab6e708d1b86f7f48af
7 changes: 4 additions & 3 deletions mypyc/irbuild/specialize.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -452,6 +452,7 @@ def split_braces(format_str: str) -> List[str]:
ret_list.append(tmp_str)
return ret_list


@specialize_function('join', str_rprimitive)
def translate_fstring(
builder: IRBuilder, expr: CallExpr, callee: RefExpr) -> Optional[Value]:
Expand All @@ -463,9 +464,9 @@ def translate_fstring(
if isinstance(item, StrExpr):
continue
elif isinstance(item, CallExpr):
if item.callee.name != 'format':
return None
if item.callee.expr.value != '{:{}}':
if (not isinstance(item.callee, MemberExpr)
or item.callee.name != 'format'
or item.callee.expr.value != '{:{}}'):
return None
if not isinstance(item.args[1], StrExpr) or item.args[1].value != '':
return None
Expand Down
0