angular-docs-cn/modules/@angular/compiler/test/output/output_emitter_util.ts

266 lines
10 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {CompileIdentifierMetadata} from '@angular/compiler/src/compile_metadata';
import * as o from '@angular/compiler/src/output/output_ast';
import {ImportGenerator} from '@angular/compiler/src/output/path_util';
import {assetUrl} from '@angular/compiler/src/util';
import {EventEmitter} from '@angular/core';
import {ViewType} from '@angular/core/src/linker/view_type';
import {BaseException} from '../../src/facade/exceptions';
export class ExternalClass {
changeable: any;
constructor(public data: any) { this.changeable = data; }
someMethod(a: any /** TODO #9100 */) { return {'param': a, 'data': this.data}; }
}
var testDataIdentifier = new CompileIdentifierMetadata({
name: 'ExternalClass',
moduleUrl: `asset:@angular/lib/compiler/test/output/output_emitter_util`,
runtime: ExternalClass
});
var eventEmitterIdentifier = new CompileIdentifierMetadata(
{name: 'EventEmitter', moduleUrl: assetUrl('core'), runtime: EventEmitter});
var enumIdentifier = new CompileIdentifierMetadata({
name: 'ViewType.HOST',
moduleUrl: assetUrl('core', 'linker/view_type'),
runtime: ViewType.HOST
});
var baseExceptionIdentifier = new CompileIdentifierMetadata(
{name: 'BaseException', moduleUrl: assetUrl('core'), runtime: BaseException});
export var codegenExportsVars = [
'getExpressions',
];
var _getExpressionsStmts: o.Statement[] = [
o.variable('readVar').set(o.literal('someValue')).toDeclStmt(),
o.variable('changedVar').set(o.literal('initialValue')).toDeclStmt(),
o.variable('changedVar').set(o.literal('changedValue')).toStmt(),
o.variable('map')
.set(o.literalMap([
['someKey', o.literal('someValue')],
['changeable', o.literal('initialValue')],
]))
.toDeclStmt(),
o.variable('map').key(o.literal('changeable')).set(o.literal('changedValue')).toStmt(),
o.variable('externalInstance')
.set(o.importExpr(testDataIdentifier).instantiate([o.literal('someValue')]))
.toDeclStmt(),
o.variable('externalInstance').prop('changeable').set(o.literal('changedValue')).toStmt(),
o.variable('fn')
.set(o.fn(
[new o.FnParam('param')],
[new o.ReturnStatement(o.literalMap([['param', o.variable('param')]]))], o.DYNAMIC_TYPE))
.toDeclStmt(),
o.variable('throwError')
.set(o.fn([], [new o.ThrowStmt(o.importExpr(baseExceptionIdentifier).instantiate([o.literal(
'someError')]))]))
.toDeclStmt(),
o.variable('catchError')
.set(o.fn(
[new o.FnParam('runCb')],
[new o.TryCatchStmt(
[o.variable('runCb').callFn([]).toStmt()],
[new o.ReturnStatement(o.literalArr([o.CATCH_ERROR_VAR, o.CATCH_STACK_VAR]))])],
o.DYNAMIC_TYPE))
.toDeclStmt(),
o.variable('dynamicInstance')
.set(o.variable('DynamicClass').instantiate([
o.literal('someValue'), o.literal('dynamicValue')
]))
.toDeclStmt(),
o.variable('dynamicInstance').prop('dynamicChangeable').set(o.literal('changedValue')).toStmt(),
new o.ReturnStatement(o.literalMap([
['stringLiteral', o.literal('Hello World!')],
['intLiteral', o.literal(42)],
['boolLiteral', o.literal(true)],
['arrayLiteral', o.literalArr([o.literal(0)])],
['mapLiteral', o.literalMap([['key0', o.literal(0)]])],
['readVar', o.variable('readVar')],
['changedVar', o.variable('changedVar')],
['readKey', o.variable('map').key(o.literal('someKey'))],
['changedKey', o.variable('map').key(o.literal('changeable'))],
['readPropExternalInstance', o.variable('externalInstance').prop('data')],
['readPropDynamicInstance', o.variable('dynamicInstance').prop('dynamicProp')],
['readGetterDynamicInstance', o.variable('dynamicInstance').prop('dynamicGetter')],
['changedPropExternalInstance', o.variable('externalInstance').prop('changeable')],
['changedPropDynamicInstance', o.variable('dynamicInstance').prop('dynamicChangeable')],
[
'invokeMethodExternalInstance',
o.variable('externalInstance').callMethod('someMethod', [o.literal('someParam')])
],
[
'invokeMethodExternalInstanceViaBind',
o.variable('externalInstance')
.prop('someMethod')
.callMethod(o.BuiltinMethod.bind, [o.variable('externalInstance')])
.callFn([o.literal('someParam')])
],
[
'invokeMethodDynamicInstance',
o.variable('dynamicInstance').callMethod('dynamicMethod', [o.literal('someParam')])
],
[
'invokeMethodDynamicInstanceViaBind',
o.variable('dynamicInstance')
.prop('dynamicMethod')
.callMethod(o.BuiltinMethod.bind, [o.variable('dynamicInstance')])
.callFn([o.literal('someParam')])
],
[
'concatedArray', o.literalArr([o.literal(0)])
.callMethod(o.BuiltinMethod.ConcatArray, [o.literalArr([o.literal(1)])])
],
['fn', o.variable('fn')],
['closureInDynamicInstance', o.variable('dynamicInstance').prop('closure')],
['invokeFn', o.variable('fn').callFn([o.literal('someParam')])],
[
'conditionalTrue', o.literal('')
.prop('length')
.equals(o.literal(0))
.conditional(o.literal('true'), o.literal('false'))
],
[
'conditionalFalse', o.literal('')
.prop('length')
.notEquals(o.literal(0))
.conditional(o.literal('true'), o.literal('false'))
],
['not', o.not(o.literal(false))],
['externalTestIdentifier', o.importExpr(testDataIdentifier)],
['externalSrcIdentifier', o.importExpr(eventEmitterIdentifier)],
['externalEnumIdentifier', o.importExpr(enumIdentifier)],
['externalInstance', o.variable('externalInstance')],
['dynamicInstance', o.variable('dynamicInstance')],
['throwError', o.variable('throwError')],
['catchError', o.variable('catchError')],
[
'operators', o.literalMap([
['==', createOperatorFn(o.BinaryOperator.Equals)],
['!=', createOperatorFn(o.BinaryOperator.NotEquals)],
['===', createOperatorFn(o.BinaryOperator.Identical)],
['!==', createOperatorFn(o.BinaryOperator.NotIdentical)],
['-', createOperatorFn(o.BinaryOperator.Minus)],
['+', createOperatorFn(o.BinaryOperator.Plus)],
['/', createOperatorFn(o.BinaryOperator.Divide)],
['*', createOperatorFn(o.BinaryOperator.Multiply)],
['%', createOperatorFn(o.BinaryOperator.Modulo)],
['&&', createOperatorFn(o.BinaryOperator.And)],
['||', createOperatorFn(o.BinaryOperator.Or)],
['<', createOperatorFn(o.BinaryOperator.Lower)],
['<=', createOperatorFn(o.BinaryOperator.LowerEquals)],
['>', createOperatorFn(o.BinaryOperator.Bigger)],
['>=', createOperatorFn(o.BinaryOperator.BiggerEquals)]
])
],
]))
];
export var codegenStmts: o.Statement[] = [
new o.CommentStmt('This is a comment'),
new o.ClassStmt(
'DynamicClass', o.importExpr(testDataIdentifier),
[
new o.ClassField('dynamicProp', o.DYNAMIC_TYPE),
new o.ClassField('dynamicChangeable', o.DYNAMIC_TYPE),
new o.ClassField('closure', o.FUNCTION_TYPE)
],
[
new o.ClassGetter('dynamicGetter',
[
new o.ReturnStatement(o.literalMap([
['data', o.THIS_EXPR.prop('data')],
['dynamicProp', o.THIS_EXPR.prop('dynamicProp')]
]))
],
new o.MapType(o.DYNAMIC_TYPE))
],
new o.ClassMethod(null,
[
new o.FnParam('dataParam', o.DYNAMIC_TYPE),
new o.FnParam('dynamicPropParam', o.DYNAMIC_TYPE)
],
[
o.SUPER_EXPR.callFn([o.variable('dataParam')])
.toStmt(),
o.THIS_EXPR.prop('dynamicProp')
.set(o.variable('dynamicPropParam'))
.toStmt(),
o.THIS_EXPR.prop('dynamicChangeable')
.set(o.variable('dynamicPropParam'))
.toStmt(),
o.THIS_EXPR.prop('closure')
.set(o.fn([new o.FnParam('param', o.DYNAMIC_TYPE)],
[
new o.ReturnStatement(o.literalMap([
['param', o.variable('param')],
['data', o.THIS_EXPR.prop('data')],
['dynamicProp', o.THIS_EXPR.prop('dynamicProp')]
]))
],
o.DYNAMIC_TYPE))
.toStmt(),
]),
[
new o.ClassMethod('dynamicMethod', [new o.FnParam('param', o.DYNAMIC_TYPE)],
[
new o.ReturnStatement(o.literalMap([
['param', o.variable('param')],
['data', o.THIS_EXPR.prop('data')],
['dynamicProp', o.THIS_EXPR.prop('dynamicProp')]
]))
],
o.DYNAMIC_TYPE)
]),
o.fn([], _getExpressionsStmts, o.DYNAMIC_TYPE).toDeclStmt('getExpressions')
];
function createOperatorFn(op: o.BinaryOperator) {
return o.fn(
[new o.FnParam('a'), new o.FnParam('b')],
[new o.ReturnStatement(new o.BinaryOperatorExpr(op, o.variable('a'), o.variable('b')))],
o.DYNAMIC_TYPE);
}
export class SimpleJsImportGenerator implements ImportGenerator {
getImportPath(moduleUrlStr: string, importedUrlStr: string): string {
var importedAssetUrl = ImportGenerator.parseAssetUrl(importedUrlStr);
if (importedAssetUrl) {
return `${importedAssetUrl.packageName}/${importedAssetUrl.modulePath}`;
} else {
return importedUrlStr;
}
}
}