34 lines
1.3 KiB
TypeScript
34 lines
1.3 KiB
TypeScript
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import {CompileIdentifierMetadata} from '../compile_metadata';
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import {StringMapWrapper} from '../facade/collection';
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import {BaseException} from '../facade/exceptions';
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import {ValueTransformer, visitValue} from '../util';
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import * as o from './output_ast';
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export function convertValueToOutputAst(value: any, type: o.Type = null): o.Expression {
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return visitValue(value, new _ValueOutputAstTransformer(), type);
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}
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class _ValueOutputAstTransformer implements ValueTransformer {
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visitArray(arr: any[], type: o.Type): o.Expression {
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return o.literalArr(arr.map(value => visitValue(value, this, null)), type);
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}
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visitStringMap(map: {[key: string]: any}, type: o.MapType): o.Expression {
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var entries: Array<string|o.Expression>[] = [];
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StringMapWrapper.forEach(map, (value: any, key: string) => {
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entries.push([key, visitValue(value, this, null)]);
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});
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return o.literalMap(entries, type);
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}
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visitPrimitive(value: any, type: o.Type): o.Expression { return o.literal(value, type); }
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visitOther(value: any, type: o.Type): o.Expression {
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if (value instanceof CompileIdentifierMetadata) {
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return o.importExpr(value);
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} else if (value instanceof o.Expression) {
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return value;
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} else {
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throw new BaseException(`Illegal state: Don't now how to compile value ${value}`);
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}
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}
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}
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