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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 const EXPRESSION = 0; | |
| 6 const SPREAD = EXPRESSION + 1; | |
| 7 const YIELD = SPREAD + 1; | |
| 8 | |
| 9 // Note that some primary expressions (in the parser) must be emitted with lower | |
| 10 // precedence, because it's not normally legal for them to be followed by | |
| 11 // other postfix expressions, like ACCESS and CALL. For example: | |
| 12 // `function foo(){}` needs parens to call or access properties or | |
| 13 // compare with equality. Same thing with `class Foo {}` and `(x) => x`. | |
| 14 // However, prefix unary expressions will work in these cases. Unfortunately our | |
| 15 // current precedence tracking doesn't capture this distinction. | |
| 16 const PRIMARY_LOW_PRECEDENCE = ASSIGNMENT; | |
| 17 | |
| 18 const ASSIGNMENT = YIELD + 1; | |
| 19 const LOGICAL_OR = ASSIGNMENT + 1; | |
| 20 const LOGICAL_AND = LOGICAL_OR + 1; | |
| 21 const BIT_OR = LOGICAL_AND + 1; | |
| 22 const BIT_XOR = BIT_OR + 1; | |
| 23 const BIT_AND = BIT_XOR + 1; | |
| 24 const EQUALITY = BIT_AND + 1; | |
| 25 const RELATIONAL = EQUALITY + 1; | |
| 26 const SHIFT = RELATIONAL + 1; | |
| 27 const ADDITIVE = SHIFT + 1; | |
| 28 const MULTIPLICATIVE = ADDITIVE + 1; | |
| 29 const UNARY = MULTIPLICATIVE + 1; | |
| 30 const LEFT_HAND_SIDE = UNARY + 1; | |
| 31 const CALL = LEFT_HAND_SIDE; | |
| 32 // We always emit `new` with parenthesis, so it uses ACCESS as its precedence. | |
| 33 const ACCESS = CALL + 1; | |
| 34 const PRIMARY = ACCESS + 1; | |
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Chromium Code Reviews
Issue 1879373004:
Implement modular compilation (Closed)
Base URL: git@github.com:dart-lang/dev_compiler.git@master