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bpo-35224: PEP 572 Implementation#10497

Merged

emilyemorehouse merged 67 commits intopython:masterpython/cpython:masterfrom

emilyemorehouse:pep572emilyemorehouse/cpython:pep572Copy head branch name to clipboard

Jan 24, 2019

Conversation Commits67 (67)Checks Files changed

Merged

bpo-35224: PEP 572 Implementation#10497
emilyemorehouse merged 67 commits intopython:masterfrom
emilyemorehouse:pep572

Commits

Commits on Jan 24, 2019

Add tokenization of :=
emilyemorehouse
committed
Add initial usage of := in grammar.
emilyemorehouse
committed
Update Python.asdl to match the grammar updates. Regenerated Include/Python-ast.h and Python/Python-ast.c
emilyemorehouse
committed
Update AST and compiler files in Python/ast.c and Python/compile.c. Basic functionality, this isn't scoped properly
emilyemorehouse
committed
Regenerate Lib/symbol.py using `./python Lib/symbol.py`
emilyemorehouse
committed
Tests - Fix failing tests in test_parser.py due to changes in token numbers for internal representation
emilyemorehouse
committed
Tests - Add simple test for := token
emilyemorehouse
committed
Tests - Add simple tests for named expressions using expr and suite
emilyemorehouse
committed
Tests - Update number of levels for nested expressions to prevent stack overflow
emilyemorehouse
committed
Update symbol table to handle NamedExpr
emilyemorehouse
committed
Update Grammar to allow assignment expressions in if statements.
emilyemorehouse
committed
Tests - Add additional tests for named expressions in RoundtripLegalSyntaxTestCase, based on examples and information directly from PEP 572
emilyemorehouse
committed
Tests - Add temporary syntax test failure tests in test_parser.py
emilyemorehouse
committed
Add support for allowing assignment expressions as function argument annotations. Uncomment tests for these cases because they all pass now!
emilyemorehouse
committed
Tests - Move existing syntax tests out of test_parser.py and into test_named_expressions.py. Refactor syntax tests to use unittest
emilyemorehouse
committed
Add TargetScopeError exception to extend SyntaxError
emilyemorehouse
committed
Tests - Update tests per PEP 572
emilyemorehouse
committed
Documentation - Small updates to XXX/todo comments
emilyemorehouse
committed
Fix assert in seq_for_testlist()
emilyemorehouse
committed
Cleanup - Denote "Not implemented -- No keyword args" on failing test case. Fix PEP8 error for blank lines at beginning of test classes in test_parser.py
emilyemorehouse
committed
Tests - Wrap all file opens in `with...as` to ensure files are closed
emilyemorehouse
committed
WIP: handle f(a := 1)
emilyemorehouse
committed
Tests and Cleanup - No longer skips keyword arg test. Keyword arg test now uses a simpler test case and does not rely on an external file. Remove print statements from ast.c
emilyemorehouse
committed
Tests - Refactor last remaining test case that relied on on external file to use a simpler test case without the dependency
emilyemorehouse
committed
Tests - Add better description of remaning skipped tests. Add test checking scope when using assignment expression in a function argument
emilyemorehouse
committed
Tests - Add test for nested comprehension, testing value and scope. Fix variable name in skipped comprehension scope test
emilyemorehouse
committed
Handle restriction of LHS for named expressions - can only assign to LHS of type NAME. Specifically, restrict assignment to tuples
emilyemorehouse
committed
Tests - Update negative test case for assigning to lambda to match new error message. Add negative test case for assigning to tuple
emilyemorehouse
committed
Tests - Reorder test cases to group invalid syntax cases and named assignment target errors
emilyemorehouse
committed
Tests - Update test case for named expression in function argument - check that result and variable are set correctly
emilyemorehouse
committed
Todo - Add todo for TargetScopeError based on Guido's comment (https://github.com/python/cpython/commit/2b3acd37bdfc2d35e5094228c6684050d2aa8b0a#r30472562)
emilyemorehouse
committed
Tests - Add named expression tests for assignment operator in function arguments
emilyemorehouse
committed
Add NamedStore to expr_context. Regenerate related code with `make regen-ast`
emilyemorehouse
committed
Add usage of NamedStore to ast_for_named_expr in ast.c. Update occurances of checking for Store to also handle NamedStore where appropriate
emilyemorehouse
committed
Add ste_comprehension to _symtable_entry to track if the namespace is a comprehension. Initialize ste_comprehension to 0. Set set_comprehension to 1 in symtable_handle_comprehension
emilyemorehouse
committed
s/symtable_add_def/symtable_add_def_helper. Add symtable_add_def to handle grabbing st->st_cur and passing it to symtable_add_def_helper. This now allows us to call the original code from symtable_…
emilyemorehouse
committed
Refactor symtable_record_directive to take lineno and col_offset as arguments instead of stmt_ty. This allows symtable_record_directive to be used for stmt_ty and expr_ty
emilyemorehouse
committed
Handle elevating scope for named expressions in comprehensions.
emilyemorehouse
committed
Handle error for usage of named expression inside a class block
emilyemorehouse
committed
Tests - No longer skip scope tests. Add additional scope tests
emilyemorehouse
committed
Cleanup - Update error message for named expression within a comprehension within a class. Update comments. Add assert for symtable_extend_namedexpr_scope to validate that we always find at least a…
emilyemorehouse
committed
Cleanup - Add missing case for NamedStore in expr_context_name. Remove unused var in set_namedexpr_content
emilyemorehouse
committed
Refactor - Consolidate set_context and set_namedexpr_context to reduce duplicated code. Special cases for named expressions are handled by checking if ctx is NamedStore
emilyemorehouse
committed
Cleanup - Add additional use cases for ast_for_namedexpr in usage comment. Fix multiple blank lines in test_named_expressions
emilyemorehouse
committed
Tests - Remove unnecessary test case. Renumber test case function names
emilyemorehouse
committed
Remove TargetScopeError for now. Will add back if needed
emilyemorehouse
committed
Cleanup - Small comment nit for consistency
emilyemorehouse
committed
Handle positional argument check with named expression
emilyemorehouse
committed
Add TargetScopeError exception definition. Add documentation for TargetScopeError in c-api docs. Throw TargetScopeError instead of SyntaxError when using a named expression in a comprehension withi…
emilyemorehouse
committed
Increase stack size for parser by 200. This is a minimal change (approx. 5kb) and should not have an impact on any systems. Update parser test to allow 99 nested levels again
emilyemorehouse
committed
Add TargetScopeError to exception_hierarchy.txt for test_baseexception.py_
emilyemorehouse
committed
Tests - Major update for named expression tests, both in test_named_expressions and test_parser
emilyemorehouse
committed
Cleanup - Remove unnecessary comment
emilyemorehouse
committed
Cleanup - Comment nitpicks
emilyemorehouse
committed
Explicitly disallow assignment expressions to a name inside parentheses, e.g.: ((x) := 0)
emilyemorehouse
committed
Cleanup - Wrap lines more strictly in test file
emilyemorehouse
committed
Revert "Explicitly disallow assignment expressions to a name inside parentheses, e.g.: ((x) := 0)"
emilyemorehouse
committed
Add NEWS.d entry
emilyemorehouse
committed
Tests - Fix error in test_pickle.test_exceptions by adding TargetScopeError to list of exceptions
emilyemorehouse
committed
Tests - Update error message tests to reflect improved messaging convention (s/can't/cannot)
emilyemorehouse
committed
Remove cases that cannot be reached in compile.c. Small linting update.
emilyemorehouse
committed
Update Grammar/Tokens to add COLONEQUAL. Regenerate all files
emilyemorehouse
committed
Update TargetScopeError PRE_INIT and POST_INIT, as this was purposefully left out when fixing rebase conflicts
emilyemorehouse
committed
Add NamedStore back and regenerate files
emilyemorehouse
committed
Pass along line number and end col info for named expression
emilyemorehouse
committed
Simplify News entry
emilyemorehouse
committed
Fix compiler warning and explicity mark fallthrough
emilyemorehouse
committed

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