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feat(ChangeDetection): convert Record.mode to a bit field

This commit is contained in:
Victor Berchet 2014-11-24 12:28:54 +01:00
parent ead2769dd6
commit 69af7ea2c0
3 changed files with 91 additions and 87 deletions
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130
modules/change_detection/src/record.js
View File

@ -5,12 +5,21 @@ import {ClosureMap} from 'change_detection/parser/closure_map';
var _fresh = new Object();
export const PROTO_RECORD_CONST = 'const';
export const PROTO_RECORD_PURE_FUNCTION = 'func';
export const PROTO_RECORD_CLOSURE = 'closure';
export const PROTO_RECORD_FORMATTTER = 'formatter';
export const PROTO_RECORD_METHOD = 'method';
export const PROTO_RECORD_PROPERTY = 'property';
const RECORD_TYPE_MASK = 0x000f;
export const RECORD_TYPE_CONST = 0x0000;
export const RECORD_TYPE_INVOKE_CLOSURE = 0x0001;
export const RECORD_TYPE_INVOKE_FORMATTER = 0x0002;
export const RECORD_TYPE_INVOKE_METHOD = 0x0003;
export const RECORD_TYPE_INVOKE_PURE_FUNCTION = 0x0004;
export const RECORD_TYPE_LIST = 0x0005;
export const RECORD_TYPE_MAP = 0x0006;
export const RECORD_TYPE_MARKER = 0x0007;
export const RECORD_TYPE_PROPERTY = 0x0008;
const RECORD_FLAG_DISABLED = 0x0100;
export const RECORD_FLAG_IMPLICIT_RECEIVER = 0x0200;
/**
* For now we are dropping expression coalescence. We can always add it later, but
@ -27,20 +36,20 @@ export class ProtoRecord {
@FIELD('prev:ProtoRecord')
@FIELD('recordInConstruction:Record')
constructor(recordRange:ProtoRecordRange,
recordType:string,
mode:int,
funcOrValue,
arity:int,
dest) {
this.recordRange = recordRange;
this.recordType = recordType;
this.mode = mode;
this.funcOrValue = funcOrValue;
this.arity = arity;
this.dest = dest;
this.next = null;
this.prev = null;
// The concrete Record instantiated from this ProtoRecord
this.recordInConstruction = null;
}
}
@ -94,56 +103,65 @@ export class Record {
this.prev = null;
this.nextEnabled = null;
this.prevEnabled = null;
this.disabled = false;
this.dest = null;
this.previousValue = null;
this.currentValue = _fresh;
this.mode = null;
this.context = null;
this.funcOrValue = null;
this.args = null;
if (isBlank(protoRecord)) {
this.mode = MODE_STATE_MARKER;
this._mode = RECORD_TYPE_MARKER | RECORD_FLAG_DISABLED;
return;
}
var type = protoRecord.recordType;
if (type === PROTO_RECORD_CONST) {
this.mode = MODE_STATE_CONST;
this._mode = protoRecord.mode;
var type = this.type;
if (type === RECORD_TYPE_CONST) {
this.funcOrValue = protoRecord.funcOrValue;
} else if (type === PROTO_RECORD_PURE_FUNCTION) {
this.mode = MODE_STATE_INVOKE_PURE_FUNCTION;
} else if (type === RECORD_TYPE_INVOKE_PURE_FUNCTION) {
this.funcOrValue = protoRecord.funcOrValue;
this.args = ListWrapper.createFixedSize(protoRecord.arity);
} else if (type === PROTO_RECORD_FORMATTTER) {
this.mode = MODE_STATE_INVOKE_PURE_FUNCTION;
} else if (type === RECORD_TYPE_INVOKE_FORMATTER) {
this.funcOrValue = MapWrapper.get(formatters, protoRecord.funcOrValue);
this.args = ListWrapper.createFixedSize(protoRecord.arity);
} else if (type === PROTO_RECORD_METHOD) {
this.mode = MODE_STATE_INVOKE_METHOD;
} else if (type === RECORD_TYPE_INVOKE_METHOD) {
this.funcOrValue = protoRecord.funcOrValue;
this.args = ListWrapper.createFixedSize(protoRecord.arity);
} else if (type === PROTO_RECORD_CLOSURE) {
this.mode = MODE_STATE_INVOKE_CLOSURE;
} else if (type === RECORD_TYPE_INVOKE_CLOSURE) {
this.args = ListWrapper.createFixedSize(protoRecord.arity);
} else if (type === PROTO_RECORD_PROPERTY) {
this.mode = MODE_STATE_PROPERTY;
} else if (type === RECORD_TYPE_PROPERTY) {
this.funcOrValue = protoRecord.funcOrValue;
}
}
get type() {
return this._mode & RECORD_TYPE_MASK;
}
get disabled() {
return (this._mode & RECORD_FLAG_DISABLED) === RECORD_FLAG_DISABLED;
}
set disabled(value) {
if (value) {
this._mode |= RECORD_FLAG_DISABLED;
} else {
this._mode &= ~RECORD_FLAG_DISABLED;
}
}
static createMarker(rr:RecordRange) {
var r = new Record(rr, null, null);
r.disabled = true;
return r;
return new Record(rr, null, null);
}
check():boolean {
@ -171,36 +189,37 @@ export class Record {
}
_calculateNewValue() {
var state = this.mode;
switch (state) {
case MODE_STATE_PROPERTY:
var type = this.type;
switch (type) {
case RECORD_TYPE_PROPERTY:
return this.funcOrValue(this.context);
case MODE_STATE_INVOKE_METHOD:
case RECORD_TYPE_INVOKE_METHOD:
return this.funcOrValue(this.context, this.args);
case MODE_STATE_INVOKE_CLOSURE:
case RECORD_TYPE_INVOKE_CLOSURE:
return FunctionWrapper.apply(this.context, this.args);
case MODE_STATE_INVOKE_PURE_FUNCTION:
case RECORD_TYPE_INVOKE_PURE_FUNCTION:
case RECORD_TYPE_INVOKE_FORMATTER:
this.recordRange.disableRecord(this);
return FunctionWrapper.apply(this.funcOrValue, this.args);
case MODE_STATE_CONST:
case RECORD_TYPE_CONST:
this.recordRange.disableRecord(this);
return this.funcOrValue;
case MODE_STATE_MARKER:
throw new BaseException('MODE_STATE_MARKER not implemented');
case RECORD_TYPE_MARKER:
throw new BaseException('Marker not implemented');
case MODE_STATE_MAP:
throw new BaseException('MODE_STATE_MAP not implemented');
case RECORD_TYPE_MAP:
throw new BaseException('Map not implemented');
case MODE_STATE_LIST:
throw new BaseException('MODE_STATE_LIST not implemented');
case RECORD_TYPE_LIST:
throw new BaseException('List not implemented');
default:
throw new BaseException('DEFAULT not implemented');
throw new BaseException(`Unsupported record type ($type)`);
}
}
@ -217,35 +236,10 @@ export class Record {
}
get isMarkerRecord() {
return this.mode == MODE_STATE_MARKER;
return this.type == RECORD_TYPE_MARKER;
}
}
// The mode is divided into two parts. Which notification mechanism
// to use and which dereference mode to execute.
// We use dirty checking aka no notification
const MODE_MASK_NOTIFY = 0xFF00;
// Encodes the state of dereference
const MODE_MASK_STATE = 0x00FF;
const MODE_PLUGIN_DIRTY_CHECK = 0x0000;
const MODE_STATE_MARKER = 0x0000;
/// _context[_protoRecord.propname] => _getter(_context)
const MODE_STATE_PROPERTY = 0x0001;
const MODE_STATE_INVOKE_PURE_FUNCTION = 0x0002;
const MODE_STATE_INVOKE_METHOD = 0x0003;
const MODE_STATE_INVOKE_CLOSURE = 0x0004;
/// _context is Map => _previousValue is MapChangeRecord
const MODE_STATE_MAP = 0x0005;
/// _context is Array/List/Iterable => _previousValue = ListChangeRecord
const MODE_STATE_LIST = 0x0006;
/// _context is number/string
const MODE_STATE_CONST = 0x0007;
function isSame(a, b) {
if (a === b) return true;
if ((a !== a) && (b !== b)) return true;

44
modules/change_detection/src/record_range.js
View File

@ -1,5 +1,14 @@
import {ProtoRecord, Record, PROTO_RECORD_CONST, PROTO_RECORD_PURE_FUNCTION,
PROTO_RECORD_PROPERTY, PROTO_RECORD_METHOD, PROTO_RECORD_CLOSURE, PROTO_RECORD_FORMATTTER} from './record';
import {
ProtoRecord,
Record,
RECORD_TYPE_CONST,
RECORD_TYPE_INVOKE_CLOSURE,
RECORD_TYPE_INVOKE_FORMATTER,
RECORD_TYPE_INVOKE_METHOD,
RECORD_TYPE_INVOKE_PURE_FUNCTION,
RECORD_TYPE_PROPERTY
} from './record';
import {FIELD, IMPLEMENTS, isBlank, isPresent, int, toBool, autoConvertAdd, BaseException} from 'facade/lang';
import {ListWrapper, MapWrapper} from 'facade/collection';
import {AST, AccessMember, ImplicitReceiver, AstVisitor, LiteralPrimitive,
@ -278,34 +287,35 @@ class ProtoRecordCreator {
}
visitImplicitReceiver(ast:ImplicitReceiver, args) {
//do nothing
// do nothing
}
visitLiteralPrimitive(ast:LiteralPrimitive, dest) {
this.add(this.construct(PROTO_RECORD_CONST, ast.value, 0, dest));
this.add(this.construct(RECORD_TYPE_CONST, ast.value, 0, dest));
}
visitBinary(ast:Binary, dest) {
var record = this.construct(PROTO_RECORD_PURE_FUNCTION, _operationToFunction(ast.operation), 2, dest);
var record = this.construct(RECORD_TYPE_INVOKE_PURE_FUNCTION,
_operationToFunction(ast.operation), 2, dest);
ast.left.visit(this, new Destination(record, 0));
ast.right.visit(this, new Destination(record, 1));
this.add(record);
}
visitPrefixNot(ast:PrefixNot, dest) {
var record = this.construct(PROTO_RECORD_PURE_FUNCTION, _operation_negate, 1, dest);
var record = this.construct(RECORD_TYPE_INVOKE_PURE_FUNCTION, _operation_negate, 1, dest);
ast.expression.visit(this, new Destination(record, 0));
this.add(record);
}
visitAccessMember(ast:AccessMember, dest) {
var record = this.construct(PROTO_RECORD_PROPERTY, ast.getter, 0, dest);
var record = this.construct(RECORD_TYPE_PROPERTY, ast.getter, 0, dest);
ast.receiver.visit(this, new Destination(record, null));
this.add(record);
}
visitFormatter(ast:Formatter, dest) {
var record = this.construct(PROTO_RECORD_FORMATTTER, ast.name, ast.allArgs.length, dest);
var record = this.construct(RECORD_TYPE_INVOKE_FORMATTER, ast.name, ast.allArgs.length, dest);
for (var i = 0; i < ast.allArgs.length; ++i) {
ast.allArgs[i].visit(this, new Destination(record, i));
}
@ -313,7 +323,7 @@ class ProtoRecordCreator {
}
visitMethodCall(ast:MethodCall, dest) {
var record = this.construct(PROTO_RECORD_METHOD, ast.fn, ast.args.length, dest);
var record = this.construct(RECORD_TYPE_INVOKE_METHOD, ast.fn, ast.args.length, dest);
ast.receiver.visit(this, new Destination(record, null));
for (var i = 0; i < ast.args.length; ++i) {
ast.args[i].visit(this, new Destination(record, i));
@ -322,7 +332,7 @@ class ProtoRecordCreator {
}
visitFunctionCall(ast:FunctionCall, dest) {
var record = this.construct(PROTO_RECORD_CLOSURE, null, ast.args.length, dest);
var record = this.construct(RECORD_TYPE_INVOKE_CLOSURE, null, ast.args.length, dest);
ast.target.visit(this, new Destination(record, null));
for (var i = 0; i < ast.args.length; ++i) {
ast.args[i].visit(this, new Destination(record, i));
@ -331,7 +341,7 @@ class ProtoRecordCreator {
}
visitConditional(ast:Conditional, dest) {
var record = this.construct(PROTO_RECORD_PURE_FUNCTION, _cond, 3, dest);
var record = this.construct(RECORD_TYPE_INVOKE_PURE_FUNCTION, _cond, 3, dest);
ast.condition.visit(this, new Destination(record, 0));
ast.trueExp.visit(this, new Destination(record, 1));
ast.falseExp.visit(this, new Destination(record, 2));
@ -342,7 +352,7 @@ class ProtoRecordCreator {
visitLiteralArray(ast:LiteralArray, dest) {
var length = ast.expressions.length;
var record = this.construct(PROTO_RECORD_PURE_FUNCTION, _arrayFn(length), length, dest);
var record = this.construct(RECORD_TYPE_INVOKE_PURE_FUNCTION, _arrayFn(length), length, dest);
for (var i = 0; i < length; ++i) {
ast.expressions[i].visit(this, new Destination(record, i));
}
@ -351,18 +361,18 @@ class ProtoRecordCreator {
visitLiteralMap(ast:LiteralMap, dest) {
var length = ast.values.length;
var record = this.construct(PROTO_RECORD_PURE_FUNCTION, _mapFn(ast.keys, length), length, dest);
var record = this.construct(RECORD_TYPE_INVOKE_PURE_FUNCTION, _mapFn(ast.keys, length), length, dest);
for (var i = 0; i < length; ++i) {
ast.values[i].visit(this, new Destination(record, i));
}
this.add(record);
}
visitChain(ast:Chain, dest){this.unsupported();}
visitChain(ast:Chain, dest){this._unsupported();}
visitAssignment(ast:Assignment, dest) {this.unsupported();}
visitAssignment(ast:Assignment, dest) {this._unsupported();}
visitTemplateBindings(ast, dest) {this.unsupported();}
visitTemplateBindings(ast, dest) {this._unsupported();}
createRecordsFromAST(ast:AST, memento){
ast.visit(this, memento);
@ -382,7 +392,7 @@ class ProtoRecordCreator {
}
}
unsupported() {
_unsupported() {
throw new BaseException("Unsupported");
}
}

4
modules/change_detection/test/record_range_spec.js
View File

@ -32,7 +32,7 @@ export function main() {
}
function createRecord(rr) {
return new Record(rr, new ProtoRecord(null, null, null, null, null), null);
return new Record(rr, new ProtoRecord(null, 0, null, null, null), null);
}
describe('record range', () => {
@ -262,4 +262,4 @@ export function main() {
});
});
});
}
}