Method traceFunctionAST

src/backend/function-node.js:214–258

(ast)

  }

  traceFunctionAST(ast) {
    const { contexts, declarations, functions, identifiers, functionCalls } = new FunctionTracer(ast);
    this.contexts = contexts;
    this.identifiers = identifiers;
    this.functionCalls = functionCalls;
    this.functions = functions;
    for (let i = 0; i < declarations.length; i++) {
      const declaration = declarations[i];
      const { ast, inForLoopInit, inForLoopTest } = declaration;
      const { init } = ast;
      const dependencies = this.getDependencies(init);
      let valueType = null;

      if (inForLoopInit && inForLoopTest) {
        valueType = 'Integer';
      } else {
        if (init) {
          const realType = this.getType(init);
          switch (realType) {
            case 'Integer':
            case 'Float':
            case 'Number':
              if (init.type === 'MemberExpression') {
                valueType = realType;
              } else {
                valueType = 'Number';
              }
              break;
            case 'LiteralInteger':
              valueType = 'Number';
              break;
            default:
              valueType = realType;
          }
        }
      }
      declaration.valueType = valueType;
      declaration.dependencies = dependencies;
      declaration.isSafe = this.isSafeDependencies(dependencies);
    }

    for (let i = 0; i < functions.length; i++) {
      this.onNestedFunction(functions[i], this.source);
    }
  }

  getDeclaration(ast) {
    for (let i = 0; i < this.identifiers.length; i++) {