A simple programming language written in Golang
Stack based with simple instructions, result will always be on top of stack you can use dump(.) command to display the result to stdout
100 => pushes the given int to stack
+ => add given number to whatever is at top of stack and push result to stack e.g 100 + 50 pushes 150 to stack(orignal 100 will be replaced)
- => sub two numbers and push result to stack e.g 100 - 50 pushes result to stack
. => prints the current top of stack to stdout
== => compares a number with top of stack e.g == 100 will return 0 if current number is not equal to top of stack 1 otherwise
Please note for all +, == , - operations only one operand is required i.e the right hand side of the operator but there should be a valid value on stack for this
15
+ 10 .
will result in 15 , however
+ 10 . will result in undefined behaviour
For an input file:
64 + 56 .
65 + 100 .
200 - 100 .
65 == 100 .
100 - 200 .
100 - 200 == -100 .
Output will be:
120
165
100
0
-100
1
There is a sample example/program.hollow to check otherwise you can use ur own file with any name with syntax as shown in the file or above examples:
go run main.go -o myprogram example/program.hollow
./myprogram
For help
go run main.go -h
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