leaf

#!/usr/bin/env bash

#Compilador temporal de lenguaje de programacion leaf
#Autor: Colmenares David

function imprimir_mensaje(){

    echo "Compilador de lenguaje de programacion Leaf."
    echo "Uso:"
    echo "  leaf [programa] [OPCIONES]"
    echo ""
    echo "OPCIONES:"
    echo "  -r [-nd]    Ejecuta el programa una vez compilado"
    echo "  -o <out>    Lugar donde se guardara el programa ejecutable"
    echo "  -nd         No eliminar el programa de salida luego de ejecutar"
    echo "  -m <32|64>  Arquitectura de salida"
    echo "  -c          Ensambla y compila programa ASM"
    echo "  -h          Imprime este mensaje"
    echo ""
    echo "Autor:"
    echo " David25pcxtreme@gmail.com"

}

if [ $# = 0 ]; then
    imprimir_mensaje
    exit 1
fi

PROGRAM=$1
TMP_ASM="test/leaf.asm" 
ARCH="-m64"
ARCH_NASM="elf64"
OUTPUT="test/out/a.out"
RUN=0
ONLYNASM=0
NODELETE=0

#parse arch
u=0
x=1
for a in $@; do  
    if [ $a = "-m" ]; then 
        u=`echo $x+1|bc`
    fi 
    x=`echo $x+1|bc`
done
x=1
for a in $@; do  
    if [ $x = $u ]; then 
        ARCH="-m"$a
        ARCH_NASM="elf"$a
    fi 
    x=`echo $x+1|bc`
done
#parse arch


#parse output
u=0
x=1
for a in $@; do  
    if [ $a = "-o" ]; then 
        u=`echo $x+1|bc`
    fi 
    x=`echo $x+1|bc`
done
x=1
for a in $@; do  
    if [ $x = $u ]; then 
        OUTPUT=$a
       #echo $OUTPUT
    fi 
    x=`echo $x+1|bc`
done
#parse output


#parse if run
u=0
x=1
for a in $@; do  
    if [ $a = "-r" ]; then 
        RUN=1
    fi 
    x=`echo $x+1|bc`
done
#parse if run

#parse out help
u=0
x=1
for a in $@; do  
    if [ $a = "-h" ]; then 
        imprimir_mensaje
        exit 0
    fi 
    x=`echo $x+1|bc`
done
#parse if run

#parse no delete
u=0
x=1
for a in $@; do  
    if [ $a = "-nd" ]; then 
        NODELETE=1
    fi 
    x=`echo $x+1|bc`
done
#parse no delete

#parse compilar solo el asm
u=0
x=1
for a in $@; do  
    if [ $a = "-c" ]; then 
        ONLYNASM=1
        if [ $1 != "" ]; then
            if [ $1 != "-c"  ];then
                TMP_ASM=$1
                #echo $TMP_ASM
            fi
        fi
        
    fi 
    x=`echo $x+1|bc`
done
#parse compilar solo el asm

if [ $ONLYNASM = 0 ]; then
    ./leafc $PROGRAM 
fi

if [ 1 = 1 ]; then

    nasm -f $ARCH_NASM $TMP_ASM

    gcc -c test/lib.c -o test/out/lib.o $ARCH

    gcc test/leaf.o test/out/lib.o $ARCH -o $OUTPUT

    rm test/leaf.o

    #rm test/out/leaf.asm

    if [ $RUN = 1 ]; then
        ./$OUTPUT
        echo $?
        if [ $NODELETE = 0 ]; then
            rm $OUTPUT
        fi
    fi

fi