Overview

The language syntax is a mix of Go and JavaScript. It is also highly dynamic with only basic features. Fubuki script files takes an extension of .fbs. The program can be compiled using Fubuki Compiler and can be run on Fubuki VM.

Info

• Optional things are mentioned within brackets ([]). Escaped brackets (\[\]) says that they are part of the syntax itself.

Comments

Words in a line after # are comments. Multi-line comments are not supported.

# This is a comment.

Keywords

true
false
null
if
else
while
fun
return
break
continue
obj
try
catch
throw
import
as
list
map
when
match

Identifiers

Identifiers are made up of alphabets (A-Z, a-z), dollar sign ($) and underscore (_). Numbers (0-9) can also be used but are not allowed at the start of an identifier. Keywords cannot be used as identifiers.

Fubuki does not have a standard naming convention but camel-case is preferred.

helloWorld
HelloWorld
_helloWorld
$HELLO_WORLD
hello_world
$hello123

Expressions

Expression is a piece of code that is evaluated to a value. Literals, operations using operators, identifiers come under expressions.

helloWorld
1 + 2
"Hello World!"

Info

Trailing commas are allowed in function parameters, function call, object key-value pairs and list values. For example, [1, 2, 3,] is perfectly valid and same as [1, 2, 3].

Statements

Statements is a line of code that commands a task. Each program is made up of sequence of statements. Statements must end with a semi-colon (;).