evcoelho / compilador

#Cminus Compiler

How to run

1. Install pipenv

    $ pip install pipenv
   

2. Install Antlr 4.7 on LINUX

    $ cd /usr/local/lib
   
    $ wget https://www.antlr.org/download/antlr-4.7.1-complete.jar
   
    $ export CLASSPATH=".:/usr/local/lib/antlr-4.7.1-complete.jar:$CLASSPATH"
   
    $ alias antlr4='java -jar /usr/local/lib/antlr-4.7.1-complete.jar'
   
    $ alias grun='java org.antlr.v4.gui.TestRig'
   

3. cd into the repository

4. Install the dependencies

    $ sudo pipenv install //sudo pipenv --python python3.6 install
    $ pipenv shell
   

5. Install antlr4

    $ pip install antlr4-python3-runtime
   

   or pip version 10.x

    $ sudo apt install python3-pip --reinstall
    $ python3 -m pip install antlr4-python3-runtime
   

6. Install tabulate

    $ pip install tabulate
   

   or pip version 10.x

    $ python3 -m pip install tabulate
   

7. To generate the parse

    $ antlr4 -Dlanguage=Python3 -visitor -o compilador/gen cminus.g4
   

8. To run the compiler

    $ python3 -m project --lexer --ast --symbol --intermediate  --asbly --bin --file testes/pudim.txt
   

Command Line Options

The compiler runs as a Python module, so you have to run python -m compiler to actually execute the compiler.

To make the compiler output the tokens, add the option --lexer.

To make the compiler output the AST, add the option --ast.

To make the compiler output the symbol table, add the option --symbol.

To make the compiler output intermediate code, add the option --middle.

To make the compiler output assembly code, add the option --asm.

To make the compiler output machine code, add the option --bin.

To specify which file it should compile, add the option --file .