256 lines
6.1 KiB
Plaintext
256 lines
6.1 KiB
Plaintext
================================================================================
|
|
Simple If
|
|
================================================================================
|
|
|
|
if true { "True" }
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
(root
|
|
(statement
|
|
(if_else
|
|
(if
|
|
(expression
|
|
(value
|
|
(boolean)))
|
|
(block
|
|
(statement
|
|
(expression
|
|
(value
|
|
(string)))))))))
|
|
|
|
================================================================================
|
|
Complex If
|
|
================================================================================
|
|
|
|
if 1 == 1 && 2 == 2 && 3 == 3 { "True" }
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
(root
|
|
(statement
|
|
(if_else
|
|
(if
|
|
(expression
|
|
(logic
|
|
(expression
|
|
(logic
|
|
(expression
|
|
(logic
|
|
(expression
|
|
(logic
|
|
(expression
|
|
(logic
|
|
(expression
|
|
(value
|
|
(integer)))
|
|
(logic_operator)
|
|
(expression
|
|
(value
|
|
(integer)))))
|
|
(logic_operator)
|
|
(expression
|
|
(value
|
|
(integer)))))
|
|
(logic_operator)
|
|
(expression
|
|
(value
|
|
(integer)))))
|
|
(logic_operator)
|
|
(expression
|
|
(value
|
|
(integer)))))
|
|
(logic_operator)
|
|
(expression
|
|
(value
|
|
(integer)))))
|
|
(block
|
|
(statement
|
|
(expression
|
|
(value
|
|
(string)))))))))
|
|
|
|
================================================================================
|
|
Nested If
|
|
================================================================================
|
|
|
|
if true {
|
|
if 42 == 12 {
|
|
'hiya'
|
|
} else {
|
|
'bye'
|
|
}
|
|
}
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
(root
|
|
(statement
|
|
(if_else
|
|
(if
|
|
(expression
|
|
(value
|
|
(boolean)))
|
|
(block
|
|
(statement
|
|
(if_else
|
|
(if
|
|
(expression
|
|
(logic
|
|
(expression
|
|
(value
|
|
(integer)))
|
|
(logic_operator)
|
|
(expression
|
|
(value
|
|
(integer)))))
|
|
(block
|
|
(statement
|
|
(expression
|
|
(value
|
|
(string))))))
|
|
(else
|
|
(block
|
|
(statement
|
|
(expression
|
|
(value
|
|
(string)))))))))))))
|
|
|
|
================================================================================
|
|
If Else
|
|
================================================================================
|
|
|
|
if false { "True" } else { "False" }
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
(root
|
|
(statement
|
|
(if_else
|
|
(if
|
|
(expression
|
|
(value
|
|
(boolean)))
|
|
(block
|
|
(statement
|
|
(expression
|
|
(value
|
|
(string))))))
|
|
(else
|
|
(block
|
|
(statement
|
|
(expression
|
|
(value
|
|
(string)))))))))
|
|
|
|
================================================================================
|
|
If Else If
|
|
================================================================================
|
|
|
|
if 1 == 1 {
|
|
"math is fun"
|
|
} else if 4 == 9 {
|
|
"math is broken"
|
|
}
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
(root
|
|
(statement
|
|
(if_else
|
|
(if
|
|
(expression
|
|
(logic
|
|
(expression
|
|
(value
|
|
(integer)))
|
|
(logic_operator)
|
|
(expression
|
|
(value
|
|
(integer)))))
|
|
(block
|
|
(statement
|
|
(expression
|
|
(value
|
|
(string))))))
|
|
(else_if
|
|
(expression
|
|
(logic
|
|
(expression
|
|
(value
|
|
(integer)))
|
|
(logic_operator)
|
|
(expression
|
|
(value
|
|
(integer)))))
|
|
(block
|
|
(statement
|
|
(expression
|
|
(value
|
|
(string)))))))))
|
|
|
|
================================================================================
|
|
If Else Else If Else
|
|
================================================================================
|
|
|
|
if false {
|
|
"no"
|
|
} else if false {
|
|
"no"
|
|
} else if 1 + 1 == 9 {
|
|
"not the answer"
|
|
} else {
|
|
"42"
|
|
}
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
(root
|
|
(statement
|
|
(if_else
|
|
(if
|
|
(expression
|
|
(value
|
|
(boolean)))
|
|
(block
|
|
(statement
|
|
(expression
|
|
(value
|
|
(string))))))
|
|
(else_if
|
|
(expression
|
|
(value
|
|
(boolean)))
|
|
(block
|
|
(statement
|
|
(expression
|
|
(value
|
|
(string))))))
|
|
(else_if
|
|
(expression
|
|
(logic
|
|
(expression
|
|
(math
|
|
(expression
|
|
(value
|
|
(integer)))
|
|
(math_operator)
|
|
(expression
|
|
(value
|
|
(integer)))))
|
|
(logic_operator)
|
|
(expression
|
|
(value
|
|
(integer)))))
|
|
(block
|
|
(statement
|
|
(expression
|
|
(value
|
|
(string))))))
|
|
(else
|
|
(block
|
|
(statement
|
|
(expression
|
|
(value
|
|
(string)))))))))
|