visitExpr()

in lib/generator.js [1253:1345]

• 92 lines of code
• 35 McCabe index (conditional complexity)

  visitExpr(ast, level) {
    if (ast.type === 'boolean') {
      this.emit(`${ast.value}`);
    } else if (ast.type === 'property_access') {
      this.visitPropertyAccess(ast, level);
    } else if (ast.type === 'string') {
      this.emit(`"${ast.value.string.replace(new RegExp('"', 'g'), '\\"')}"`);
    } else if (ast.type === 'null') {
      this.emit('null');
    } else if (ast.type === 'number') {
      this.emitNumber(ast);
    } else if (ast.type === 'object') {
      this.visitObject(ast, level);
    } else if (ast.type === 'variable') {
      var id = _name(ast.id);
      if (id === '__response') {
        this.emit(RESPONSE);
      } else if (id === '__request') {
        this.emit(REQUEST);
      } else if (ast.inferred && ast.inferred.name === 'class') {
        this.emit(avoidReserveName(id) + '.class');
      } else {
        this.emit(avoidReserveName(id));
      }
    } else if (ast.type === 'virtualVariable') {
      const vid = `_${_lowerFirst(_name(ast.vid).substr(1))}`;
      this.emit(`${vid}`);
    } else if (ast.type === 'template_string') {
      for (let i = 0; i < ast.elements.length; i++) {
        var item = ast.elements[i];
        if (item.type === 'element') {
          this.emit('"');
          this.emit(item.value.string);
          this.emit('"');
        } else if (item.type === 'expr') {
          if (item.expr.type === 'property_access' && _name(item.expr.id) === '__module') {
            var value = this.__module;
            for (let i = 0; i < item.expr.propertyPath.length; i++) {
              value = value[_name(item.expr.propertyPath[i])];
            }
            this.emit('"');
            this.emit(value);
            this.emit('"');
          } else {
            this.visitExpr(item.expr, level);
          }
        } else {
          throw new Error('unimpelemented');
        }

        if (i < ast.elements.length - 1) {
          this.emit(' + ');
        }
      }
    } else if (ast.type === 'call') {
      this.visitCall(ast, level);
    } else if (ast.type === 'construct') {
      this.visitConstruct(ast, level);
    } else if (ast.type === 'array') {
      this.visitArray(ast, level);
    } else if (ast.type === 'and') {
      this.visitExpr(ast.left, level);
      this.emit(' && ');
      this.visitExpr(ast.right, level);
    } else if (ast.type === 'or') {
      this.visitExpr(ast.left, level);
      this.emit(' || ');
      this.visitExpr(ast.right, level);
    } else if (ast.type === 'null') {
      this.emit('null');
    } else if (ast.type === 'not') {
      this.emit('!');
      this.visitExpr(ast.expr, level);
    } else if (ast.type === 'construct_model') {
      this.visitConstructModel(ast, level);
    } else if (ast.type === 'super') {
      this.emit('super(');
      if (ast.args) {
        for (let i = 0; i < ast.args.length; i++) {
          if (i > 0) {
            this.emit(', ');
          }
          this.visitExpr(ast.args[i], level);
        }
      }
      this.emit(')');
    } else if (ast.type === 'map_access') {
      this.visitMapAccess(ast, true);
    } else if (ast.type === 'array_access') {
      this.visitArrayAccess(ast, true);
    } else {
      throw new Error('unimpelemented');
    }