CLI-Calculator

Simple command line interface made using Flex and Bison to understand and execute some mathematics operations.

Requirements

• Linux System with BASH.

• Have "make" installed

    $ sudo apt-get install make
  

• Have "flex" installed

    $ sudo apt-get install flex
  

• Have "bison" installed

    $ sudo apt-get install bison
  

Compilation

Open a shell in the same folder that Makefile is located (probably, CLI-Calculator).

Execute:

	$ make

At this point, the executable file "p3Compiladores" will have been generated.

Execution

    $ ./p3Compiladores [entrada.m]      

Note: in this case, the input file is entrada.m

Program help

Available commands

• HELP/help: shows this help message.

• FULLHELP/fullhelp: shows all the information about the program usage.

• LOAD/load: load a file with expresions to analyze.

• WORKSPACE/workspace: prints the workspace, in other words, the variables in use in that moment.

• CONSTANTES/constantes: prints the available constants.

• FUNCIONES/funciones: prints the available functions.

• REINICIAR/reiniciar: restarts the workspace (deletes all the variables in use).

• EXIT/exit: to finish the program.