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PEP 465: a dedicated infix operator for matrix multiplication (closes #21176)

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This commit is contained in:
Benjamin Peterson 2014-04-09 23:55:56 -04:00
parent 2aad6ef774
commit d51374ed78
42 changed files with 803 additions and 442 deletions
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2
Parser/Python.asdl
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@ -91,7 +91,7 @@ module Python
boolop = And | Or
operator = Add | Sub | Mult | Div | Mod | Pow | LShift
operator = Add | Sub | Mult | MatMult | Div | Mod | Pow | LShift
| RShift | BitOr | BitXor | BitAnd | FloorDiv
unaryop = Invert | Not | UAdd | USub

8
Parser/tokenizer.c
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@ -98,6 +98,7 @@ const char *_PyParser_TokenNames[] = {
"DOUBLESLASH",
"DOUBLESLASHEQUAL",
"AT",
"ATEQUAL",
"RARROW",
"ELLIPSIS",
/* This table must match the #defines in token.h! */
@ -1131,7 +1132,7 @@ PyToken_OneChar(int c)
case '}': return RBRACE;
case '^': return CIRCUMFLEX;
case '~': return TILDE;
case '@': return AT;
case '@': return AT;
default: return OP;
}
}
@ -1207,6 +1208,11 @@ PyToken_TwoChars(int c1, int c2)
case '=': return CIRCUMFLEXEQUAL;
}
break;
case '@':
switch (c2) {
case '=': return ATEQUAL;
}
break;
}
return OP;
}