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Side by Side Diff: pkg/compiler/lib/src/js_emitter/full_emitter/declarations.dart

Issue 2439573003: Experiment with new function-type syntax.
Patch Set: Change a few more typedefs. Created 4 years, 2 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 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. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 part of dart2js.js_emitter.full_emitter; 5 part of dart2js.js_emitter.full_emitter;
6 6
7 /// Enables debugging of fast/slow objects using V8-specific primitives. 7 /// Enables debugging of fast/slow objects using V8-specific primitives.
8 const DEBUG_FAST_OBJECTS = false; 8 const DEBUG_FAST_OBJECTS = false;
9 9
10 /**
11 * Call-back for adding property with [name] and [value].
12 */
13 typedef jsAst.Property AddPropertyFunction(
14 jsAst.Name name, jsAst.Expression value);
15
16 // Compact field specifications. The format of the field specification is 10 // Compact field specifications. The format of the field specification is
17 // <accessorName>:<fieldName><suffix> where the suffix and accessor name 11 // <accessorName>:<fieldName><suffix> where the suffix and accessor name
18 // prefix are optional. The suffix directs the generation of getter and 12 // prefix are optional. The suffix directs the generation of getter and
19 // setter methods. Each of the getter and setter has two bits to determine 13 // setter methods. Each of the getter and setter has two bits to determine
20 // the calling convention. Setter listed below, getter is similar. 14 // the calling convention. Setter listed below, getter is similar.
21 // 15 //
22 // 00: no setter 16 // 00: no setter
23 // 01: function(value) { this.field = value; } 17 // 01: function(value) { this.field = value; }
24 // 10: function(receiver, value) { receiver.field = value; } 18 // 10: function(receiver, value) { receiver.field = value; }
25 // 11: function(receiver, value) { this.field = value; } 19 // 11: function(receiver, value) { this.field = value; }
26 // 20 //
27 // The suffix encodes 4 bits using three ASCII ranges of non-identifier 21 // The suffix encodes 4 bits using three ASCII ranges of non-identifier
28 // characters. 22 // characters.
29 const FIELD_CODE_CHARACTERS = r"<=>?@{|}~%&'()*"; 23 const FIELD_CODE_CHARACTERS = r"<=>?@{|}~%&'()*";
30 const NO_FIELD_CODE = 0; 24 const NO_FIELD_CODE = 0;
31 const FIRST_FIELD_CODE = 1; 25 const FIRST_FIELD_CODE = 1;
32 const RANGE1_FIRST = 0x3c; // <=>?@ encodes 1..5 26 const RANGE1_FIRST = 0x3c; // <=>?@ encodes 1..5
33 const RANGE1_LAST = 0x40; 27 const RANGE1_LAST = 0x40;
34 const RANGE2_FIRST = 0x7b; // {|}~ encodes 6..9 28 const RANGE2_FIRST = 0x7b; // {|}~ encodes 6..9
35 const RANGE2_LAST = 0x7e; 29 const RANGE2_LAST = 0x7e;
36 const RANGE3_FIRST = 0x25; // %&'()*+ encodes 10..16 30 const RANGE3_FIRST = 0x25; // %&'()*+ encodes 10..16
37 const RANGE3_LAST = 0x2b; 31 const RANGE3_LAST = 0x2b;
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