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feat(ivy): produce Renderer2 back-patching and factories. (#22506)

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Produces back-patch as described in the #22235 and referenced in #22480.

This just contains the compiler implementations and the corresponding unit
tests. Connecting the dots as described in #22480 will be in a follow on
change.

PR Close #22506
This commit is contained in:
Chuck Jazdzewski
2018-02-28 14:56:41 -08:00
committed by Kara Erickson
parent 5412e10bcd
commit b0b9ca3386
11 changed files with 879 additions and 90 deletions
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44
packages/compiler/src/render3/r3_pipe_compiler.ts
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@ -13,10 +13,15 @@ import * as o from '../output/output_ast';
import {OutputContext, error} from '../util';
import {Identifiers as R3} from './r3_identifiers';
import {BUILD_OPTIMIZER_COLOCATE, OutputMode} from './r3_types';
import {createFactory} from './r3_view_compiler';
/**
* Write a pipe definition to the output context.
*/
export function compilePipe(
outputCtx: OutputContext, pipe: CompilePipeMetadata, reflector: CompileReflector) {
outputCtx: OutputContext, pipe: CompilePipeMetadata, reflector: CompileReflector,
mode: OutputMode) {
const definitionMapValues: {key: string, quoted: boolean, value: o.Expression}[] = [];
// e.g. 'type: MyPipe`
@ -35,16 +40,29 @@ export function compilePipe(
const className = identifierName(pipe.type) !;
className || error(`Cannot resolve the name of ${pipe.type}`);
outputCtx.statements.push(new o.ClassStmt(
/* name */ className,
/* parent */ null,
/* fields */[new o.ClassField(
/* name */ outputCtx.constantPool.propertyNameOf(DefinitionKind.Pipe),
/* type */ o.INFERRED_TYPE,
/* modifiers */[o.StmtModifier.Static],
/* initializer */ o.importExpr(R3.definePipe).callFn([o.literalMap(
definitionMapValues)]))],
/* getters */[],
/* constructorMethod */ new o.ClassMethod(null, [], []),
/* methods */[]));
const definitionField = outputCtx.constantPool.propertyNameOf(DefinitionKind.Pipe);
const definitionFunction =
o.importExpr(R3.definePipe).callFn([o.literalMap(definitionMapValues)]);
if (mode === OutputMode.PartialClass) {
outputCtx.statements.push(new o.ClassStmt(
/* name */ className,
/* parent */ null,
/* fields */[new o.ClassField(
/* name */ definitionField,
/* type */ o.INFERRED_TYPE,
/* modifiers */[o.StmtModifier.Static],
/* initializer */ definitionFunction)],
/* getters */[],
/* constructorMethod */ new o.ClassMethod(null, [], []),
/* methods */[]));
} else {
// Create back-patch definition.
const classReference = outputCtx.importExpr(pipe.type.reference);
// Create the back-patch statement
outputCtx.statements.push(
new o.CommentStmt(BUILD_OPTIMIZER_COLOCATE),
classReference.prop(definitionField).set(definitionFunction).toStmt());
}
}