型安全にbashを書けるAmberを試す

$ curl -s "https://raw.githubusercontent.com/Ph0enixKM/AmberNative/master/setup/install.sh" | bash

$ amber --help
Amber's compiler
Version 1.0.0

USAGE:				EXAMPLE:
For evaluation:
	amber [INPUT]		amber foo.ab
	amber -e [EXPR]		amber -e "\$echo Hello World\$"
For compiling:
	amber [INPUT] [OUTPUT]	amber foo.ab bar.sh

let fruits = ["Apple", "Banana", "Orange"]

loop fruit in fruits {
    echo "Fruit: {fruit}"
}

$ amber ./sample.ab sample.sh

__AMBER_ARRAY_0=("Apple" "Banana" "Orange");
__0_fruits=("${__AMBER_ARRAY_0[@]}");
for fruit in "${__0_fruits[@]}"
do
    echo "Fruit: ${fruit}"
done

let fruits = ["Apple", "Banana", "Orange"]

loop fruit in fruits {
    let x = fruit * 10
    echo "Fruit: {fruit}"
}

$ amber ./sample.ab sample.sh
 ERROR 
Multiply operation can only multiply numbers
at ./sample.ab:4:19


3| loop fruit in fruits {
4|     let x = fruit * 10
5|     echo "Fruit: {fruit}"

$mv ./a ./b$ failed {
  echo "It seems that the file.txt does not exist"
}

mv ./a ./b
__AMBER_STATUS=$?;
if [ $__AMBER_STATUS != 0 ]; then
    echo "It seems that the file.txt does not exist"
fi

fun add(arg1: Num, arg2: Num): Num {
    return arg1 + arg2
}

echo "1 + 2 = {add(1, 2)}"

➜ amber ./sample.ab sample.sh
 ERROR 
Expected expression
at ./sample.ab:5:20


4| 
5| echo "1 + 2 = {add('hello', 2)}"
6|

fun add(arg1: Num, arg2: Num): Num {
    return arg1 + arg2
}

if __name__ == '__main__':
    echo "1 + 2 = {add(1, 2)}"

$set -euxo pipefail$ failed {
    echo "Failed to set"
}

$mv ./test.txt ./test2.txt$ failed {
    echo "Failed to move"
}

$ amber ./sample.ab
+ __AMBER_STATUS=0
+ '[' 0 '!=' 0 ']'
+ mv ./test.txt ./test2.txt
mv: cannot stat './test.txt': No such file or directory

unsafe $set -euxo pipefail$
unsafe $mv ./test.txt ./test2.txt$
echo "next line"

$mv ./test.txt ./test2.txt$ failed {
    echo "Failed to move"
    unsafe $exit 1$
}

echo "next line"