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-rw-r--r--Lib/lib2to3/Grammar.txt4
-rw-r--r--Lib/lib2to3/pgen2/grammar.py1
-rwxr-xr-xLib/lib2to3/pgen2/token.py13
-rw-r--r--Lib/lib2to3/pgen2/tokenize.py2
-rw-r--r--Lib/lib2to3/tests/test_parser.py6
5 files changed, 17 insertions, 9 deletions
diff --git a/Lib/lib2to3/Grammar.txt b/Lib/lib2to3/Grammar.txt
index 1e1f24c..bc084e9 100644
--- a/Lib/lib2to3/Grammar.txt
+++ b/Lib/lib2to3/Grammar.txt
@@ -56,7 +56,7 @@ small_stmt: (expr_stmt | print_stmt | del_stmt | pass_stmt | flow_stmt |
expr_stmt: testlist_star_expr (augassign (yield_expr|testlist) |
('=' (yield_expr|testlist_star_expr))*)
testlist_star_expr: (test|star_expr) (',' (test|star_expr))* [',']
-augassign: ('+=' | '-=' | '*=' | '/=' | '%=' | '&=' | '|=' | '^=' |
+augassign: ('+=' | '-=' | '*=' | '@=' | '/=' | '%=' | '&=' | '|=' | '^=' |
'<<=' | '>>=' | '**=' | '//=')
# For normal assignments, additional restrictions enforced by the interpreter
print_stmt: 'print' ( [ test (',' test)* [','] ] |
@@ -119,7 +119,7 @@ xor_expr: and_expr ('^' and_expr)*
and_expr: shift_expr ('&' shift_expr)*
shift_expr: arith_expr (('<<'|'>>') arith_expr)*
arith_expr: term (('+'|'-') term)*
-term: factor (('*'|'/'|'%'|'//') factor)*
+term: factor (('*'|'@'|'/'|'%'|'//') factor)*
factor: ('+'|'-'|'~') factor | power
power: atom trailer* ['**' factor]
atom: ('(' [yield_expr|testlist_gexp] ')' |
diff --git a/Lib/lib2to3/pgen2/grammar.py b/Lib/lib2to3/pgen2/grammar.py
index 7f1c564..b4481d1 100644
--- a/Lib/lib2to3/pgen2/grammar.py
+++ b/Lib/lib2to3/pgen2/grammar.py
@@ -149,6 +149,7 @@ opmap_raw = """
{ LBRACE
} RBRACE
@ AT
+@= ATEQUAL
== EQEQUAL
!= NOTEQUAL
<> NOTEQUAL
diff --git a/Lib/lib2to3/pgen2/token.py b/Lib/lib2to3/pgen2/token.py
index 6a6d0b6..7599396 100755
--- a/Lib/lib2to3/pgen2/token.py
+++ b/Lib/lib2to3/pgen2/token.py
@@ -57,12 +57,13 @@ DOUBLESTAREQUAL = 47
DOUBLESLASH = 48
DOUBLESLASHEQUAL = 49
AT = 50
-OP = 51
-COMMENT = 52
-NL = 53
-RARROW = 54
-ERRORTOKEN = 55
-N_TOKENS = 56
+ATEQUAL = 51
+OP = 52
+COMMENT = 53
+NL = 54
+RARROW = 55
+ERRORTOKEN = 56
+N_TOKENS = 57
NT_OFFSET = 256
#--end constants--
diff --git a/Lib/lib2to3/pgen2/tokenize.py b/Lib/lib2to3/pgen2/tokenize.py
index 1bb931e..3dd1ee9 100644
--- a/Lib/lib2to3/pgen2/tokenize.py
+++ b/Lib/lib2to3/pgen2/tokenize.py
@@ -84,7 +84,7 @@ String = group(r"[uU]?[rR]?'[^\n'\\]*(?:\\.[^\n'\\]*)*'",
# recognized as two instances of =).
Operator = group(r"\*\*=?", r">>=?", r"<<=?", r"<>", r"!=",
r"//=?", r"->",
- r"[+\-*/%&|^=<>]=?",
+ r"[+\-*/%&@|^=<>]=?",
r"~")
Bracket = '[][(){}]'
diff --git a/Lib/lib2to3/tests/test_parser.py b/Lib/lib2to3/tests/test_parser.py
index a383a14..83682b7 100644
--- a/Lib/lib2to3/tests/test_parser.py
+++ b/Lib/lib2to3/tests/test_parser.py
@@ -48,6 +48,12 @@ class GrammarTest(support.TestCase):
raise AssertionError("Syntax shouldn't have been valid")
+class TestMatrixMultiplication(GrammarTest):
+ def test_matrix_multiplication_operator(self):
+ self.validate("a @ b")
+ self.validate("a @= b")
+
+
class TestRaiseChanges(GrammarTest):
def test_2x_style_1(self):
self.validate("raise")