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: / usr / share / nodejs / handlebars / lib / handlebars / compiler /

Filename : base.js

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import parser from './parser';
import WhitespaceControl from './whitespace-control';
import * as Helpers from './helpers';
import { extend } from '../utils';

export { parser };

let yy = {};
extend(yy, Helpers);

export function parseWithoutProcessing(input, options) {
  // Just return if an already-compiled AST was passed in.
  if (input.type === 'Program') {
    return input;
  }

  parser.yy = yy;

  // Altering the shared object here, but this is ok as parser is a sync operation
  yy.locInfo = function(locInfo) {
    return new yy.SourceLocation(options && options.srcName, locInfo);
  };

  let ast = parser.parse(input);

  return ast;
}

export function parse(input, options) {
  let ast = parseWithoutProcessing(input, options);
  let strip = new WhitespaceControl(options);

  return strip.accept(ast);
}