README.md

How to use the AParser scripting language

Basic Arithmetics Operations

• Supports addition, negation, multiplication, and division calculation

Examples

./AParser                                            
>>> 1 + 1
2
>>> 1 - 1
0
>>> 251252 + 17204
268456
>>> 123 * 321
39483
>>> 10 / 2
5

Variables

• Declared variable can't be redeclared, instead the value can be reassigned. Redeclaring the same value twice will throw an error! (This is intended)
• Variables can be used in arithmetic operations, variable declaration/assignment (ex. if a is declared as integer value 1, then a + 1 will return 2 as an output)

Declaring Variables

set <variable name> = <value>

Examples

./AParser
>>> set a = 1
1
>>> a
1
>>> set b = a + 12
13
>>> b
13
>>> a + b
14
>>> 

Assigning Different Value to Variables

• Recursive assignment can be done (ex. <variable name> = <variable name> = <new value to assign>)

<variable name> = <new value to assign>

Examples

./AParser
>>> set a = 2
2
>>> a
2
>>> a = 4
4
>>> a + 1
5
>>> set b = 1
1
>>> b = a = 0
0
>>> a
0
>>> b
0

Value Comparison

• Use of comparison operator (==, !=) to compare values

<value | variable> == <value | variable>
<value | variable> != <value | variable>

Examples

./AParser
>>> 1 == 1
true
>>> 1 == -1
false
>>> 1 == true
true
>>> 0 == false
true
>>> -1 == false
true
>>> set hello = false
false
>>> hello == false
true
>>>