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Support parsing of class expressions, see #161

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This commit is contained in:
dcodeIO
2018-07-10 03:03:59 +02:00
parent 27dbbd1d75
commit c4199673ef
8 changed files with 162 additions and 44 deletions
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27
src/extra/ast.ts
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@ -76,7 +76,8 @@ import {
ParameterNode,
ParameterKind,
ExportMember,
SwitchCase
SwitchCase,
ClassExpression
} from "../ast";
import {
@ -147,6 +148,10 @@ export class ASTBuilder {
this.visitCallExpression(<CallExpression>node);
break;
}
case NodeKind.CLASS: {
this.visitClassExpression(<ClassExpression>node);
break;
}
case NodeKind.COMMA: {
this.visitCommaExpression(<CommaExpression>node);
break;
@ -477,6 +482,11 @@ export class ASTBuilder {
sb.push(")");
}
visitClassExpression(node: ClassExpression): void {
var declaration = node.declaration;
this.visitClassDeclaration(declaration);
}
visitCommaExpression(node: CommaExpression): void {
var expressions = node.expressions;
var numExpressions = assert(expressions.length);
@ -719,9 +729,10 @@ export class ASTBuilder {
sb.push(";\n");
} else {
let last = sb[sb.length - 1];
if (last.length && (
last.charCodeAt(last.length - 1) == CharCode.CLOSEBRACE ||
last.charCodeAt(last.length - 1) == CharCode.SEMICOLON)
let lastCharPos = last.length - 1;
if (lastCharPos >= 0 && (
last.charCodeAt(lastCharPos) == CharCode.CLOSEBRACE ||
last.charCodeAt(lastCharPos) == CharCode.SEMICOLON)
) {
sb.push("\n");
} else {
@ -778,8 +789,12 @@ export class ASTBuilder {
this.serializeExternalModifiers(node);
var sb = this.sb;
if (node.is(CommonFlags.ABSTRACT)) sb.push("abstract ");
sb.push("class ");
this.visitIdentifierExpression(node.name);
if (node.name.text.length) {
sb.push("class ");
this.visitIdentifierExpression(node.name);
} else {
sb.push("class");
}
var typeParameters = node.typeParameters;
var numTypeParameters = typeParameters.length;
if (numTypeParameters) {