Doar-Language

1) You must compile file source code main.cpp.

2) By default the file source code selected is code.doa

- You can modify this file for testing or
- You can change the following line in `main.cpp`:
    - `string fileName = "code.doa";`
    Example: `string fileName = "otherCode.doa"`;

3) We recommend to compile with: g++ -std=c++11 main.cpp -o main

4) And for lauch: ./main

5) Currently, we can only know the output of process of the lexical analysis, syntactic
analysis and semantic analysis.