Method setMessage

lib/css-syntax-error.js:41–48

()

  }

  setMessage() {
    this.message = this.plugin ? this.plugin + ': ' : ''
    this.message += this.file ? this.file : '<css input>'
    if (typeof this.line !== 'undefined') {
      this.message += ':' + this.line + ':' + this.column
    }
    this.message += ': ' + this.reason
  }

  showSourceCode(color) {
    if (!this.source) return ''