getVariableType()

in lib/semantic.js [2561:2591]

• 24 lines of code
• 8 McCabe index (conditional complexity)

  getVariableType(id, env) {
    if (id.tag === Tag.VID) {
      const def = this.getInstanceProperty(id.lexeme);
      return this.getType(def.value);
    }

    const name = id.lexeme;
    if (env.local && env.local.hasDefined(name)) {
      // 返回作用域链上定义的值
      return env.local.get(name);
    }

    if (this.enums.has(name)) {
      return _enum(name);
    }

    if (this.models.has(name)) {
      return _basic('class');
    }

    if (this.dependencies.has(name)) {
      return _basic('class');
    }

    if (isTmpVariable(id.type)) {
      return this.getExprType(id, env);
    }

    console.log(id);
    throw new Error('Can not get the type for variable');
  }