Language Syntax

Language Syntax

CupidScript uses a C-like surface syntax.

Comments

Supported comment forms:

// line comment

/* block comment */

Comments are skipped by the lexer alongside whitespace.

Tokens

Identifiers

• Start: letter or _
• Continue: letters, digits, _

Integers

Decimal-only integers:

0
12345

Strings

Double-quoted strings:

"hello"
"with \n escapes"
"quote: \""
"backslash: \\"

Escape handling (in runtime unescape):

• \n, \t, \r, \", \\
• Any unknown escape \x becomes literal x

Operators & Punctuation

Punctuation

( ) [ ] { } , ; .

Operators

Assignment:

• =

Arithmetic:

• + - * / %

Unary:

• ! -

Comparison:

• == != < <= > >=

Boolean:

• && ||

Precedence (high to low)

1. Primary: literals, identifiers, parenthesized (expr)
2. Postfix: calls f(...), indexing a[b]
3. Unary: !expr, -expr
4. Multiplicative: * / %
5. Additive: + -
6. Comparison: < <= > >=
7. Equality: == !=
8. AND: &&
9. OR: ||