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feat(compiler): implement "enableIvy" compiler option (#21427)

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The "enableIvy" compiler option is the initial implementation
of the Render3 (or Ivy) code generation. This commit enables
generation generating "Hello, World" (example in the test)
but not much else. It is currenly only useful for internal Ivy
testing as Ivy is in development.

PR Close #21427
This commit is contained in:
Chuck Jazdzewski
2017-11-20 10:21:17 -08:00
committed by Miško Hevery
parent ce8b5877e2
commit 64d16dee02
27 changed files with 1484 additions and 47 deletions
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21
packages/compiler/src/compiler_util/expression_converter.ts
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@ -6,7 +6,6 @@
* found in the LICENSE file at https://angular.io/license
*/
import * as cdAst from '../expression_parser/ast';
import {Identifiers} from '../identifiers';
import * as o from '../output/output_ast';
@ -19,13 +18,15 @@ export class ConvertActionBindingResult {
constructor(public stmts: o.Statement[], public allowDefault: o.ReadVarExpr) {}
}
export type InterpolationFunction = (args: o.Expression[]) => o.Expression;
/**
* Converts the given expression AST into an executable output AST, assuming the expression is
* used in an action binding (e.g. an event handler).
*/
export function convertActionBinding(
localResolver: LocalResolver | null, implicitReceiver: o.Expression, action: cdAst.AST,
bindingId: string): ConvertActionBindingResult {
bindingId: string, interpolationFunction?: InterpolationFunction): ConvertActionBindingResult {
if (!localResolver) {
localResolver = new DefaultLocalResolver();
}
@ -52,7 +53,8 @@ export function convertActionBinding(
},
action);
const visitor = new _AstToIrVisitor(localResolver, implicitReceiver, bindingId);
const visitor =
new _AstToIrVisitor(localResolver, implicitReceiver, bindingId, interpolationFunction);
const actionStmts: o.Statement[] = [];
flattenStatements(actionWithoutBuiltins.visit(visitor, _Mode.Statement), actionStmts);
prependTemporaryDecls(visitor.temporaryCount, bindingId, actionStmts);
@ -98,6 +100,7 @@ export enum BindingForm {
// otherise generate a general binding
TrySimple,
}
/**
* Converts the given expression AST into an executable output AST, assuming the expression
* is used in property binding. The expression has to be preprocessed via
@ -105,14 +108,15 @@ export enum BindingForm {
*/
export function convertPropertyBinding(
localResolver: LocalResolver | null, implicitReceiver: o.Expression,
expressionWithoutBuiltins: cdAst.AST, bindingId: string,
form: BindingForm): ConvertPropertyBindingResult {
expressionWithoutBuiltins: cdAst.AST, bindingId: string, form: BindingForm,
interpolationFunction?: InterpolationFunction): ConvertPropertyBindingResult {
if (!localResolver) {
localResolver = new DefaultLocalResolver();
}
const currValExpr = createCurrValueExpr(bindingId);
const stmts: o.Statement[] = [];
const visitor = new _AstToIrVisitor(localResolver, implicitReceiver, bindingId);
const visitor =
new _AstToIrVisitor(localResolver, implicitReceiver, bindingId, interpolationFunction);
const outputExpr: o.Expression = expressionWithoutBuiltins.visit(visitor, _Mode.Expression);
if (visitor.temporaryCount) {
@ -200,7 +204,7 @@ class _AstToIrVisitor implements cdAst.AstVisitor {
constructor(
private _localResolver: LocalResolver, private _implicitReceiver: o.Expression,
private bindingId: string) {}
private bindingId: string, private interpolationFunction: InterpolationFunction|undefined) {}
visitBinary(ast: cdAst.Binary, mode: _Mode): any {
let op: o.BinaryOperator;
@ -303,6 +307,9 @@ class _AstToIrVisitor implements cdAst.AstVisitor {
}
args.push(o.literal(ast.strings[ast.strings.length - 1]));
if (this.interpolationFunction) {
return this.interpolationFunction(args);
}
return ast.expressions.length <= 9 ?
o.importExpr(Identifiers.inlineInterpolate).callFn(args) :
o.importExpr(Identifiers.interpolate).callFn([args[0], o.literalArr(args.slice(1))]);