⚔️ Jarlang Syntax Reference

Jarlang is a small, warrior-themed expression language and learning interpreter implemented in Java. It uses themed keywords (forge, wield, chant, summon, judge, lest, mend) and provides familiar arithmetic, control flow, functions, and a small standard library.

• Comments: # single-line comment
• Identifiers: Letters, digits, and _, must start with a letter
• Strings: "Hello"
• Numbers: 42, 3.14
• Tokens:
• Arithmetic: + - * / ^
• Comparison: == != < > <= >=
• Assignment: =
• Grouping: ( ) { }
• Delimiters: , : ;

• wield — declare a variable (wield x 10)
• forge — begin a function definition (forge add(a, b) ...)
• mend — return from a function or end a single-line judge branch
• chant — print/output expression
• summon — import another .vase file
• judge — if/conditional branch
• orjudge — else-if/chained conditional branch
• lest — while loop
• gather/disperse — parentheses (internal naming)

• Variable declaration: wield x 10
• Assignment: x = x + 1
• Print: chant "Hello"
• Blocks: { ... } for grouped statements
• If / elif / else:
• judge x > 0 mend ...
• orjudge x == 0 mend ...
• orjudge mend ...
• While loop: lest i < 5 { ... }

• Define:
forge add(a, b) { mend a + b }
• Return:
mend result
• Call:
chant add(2, 3)

Importing: summon "[filename]"

Conditional and loops: