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Alex Bethel 2022-07-30 20:56:44 -06:00
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.gitignore vendored Normal file
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*/target/
*~

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axc/Cargo.toml Normal file
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//! AlexScript compiler.
//!
//! AlexScript is a based programming language, for based people.
/// A concrete syntax tree. This represents the full content of an AlexScript program, including all
/// whitespace, comments, and tokens: the source code of the original program can be recovered
/// completely using the syntax tree.
pub struct SyntaxTree {}
/// Expressions.
pub enum Expr {
/// Unary operators, e.g., "-5".
UnaryOp { kind: UnaryOpKind, val: Box<Expr> },
/// Binary operators, e.g., "5 + 5".
BinaryOp {
kind: BinaryOpKind,
left: Box<Expr>,
right: Box<Expr>,
},
/// Function application, e.g., "sin x".
Application {
func: Box<Expr>,
argument: Box<Expr>,
},
/// Matching of multiple cases, e.g., "match x { 5 => 'a', 6 => 'b' }".
Match {
matcher: Box<Expr>,
cases: Vec<(Pattern, Expr)>,
},
/// Struct initialization, e.g., "Vector { pointer: xyz, length: 12 }".
StructInit {
name: String,
elements: Vec<(String, Expr)>,
},
/// Anonymous functions.
Lambda {
arguments: Vec<Pattern>,
result: Box<Expr>,
},
/// Variable references, possibly namespaced, e.g., "foo::bar::baz".
VariableReference(Vec<String>),
/// Dot subscripts, e.g., "foo.bar".
DotSubscript { value: Box<Expr>, subscript: String },
/// Bracket subscripts, e.g., "foo[bar]".
BracketSubscript {
value: Box<Expr>,
subscript: Box<Expr>,
},
/// Literal tokens, e.g., strings and numbers.
Literal(Literal),
}
/// Kinds of unary operators, that are placed before an expression.
pub enum UnaryOpKind {
/// +x, equivalent to absolute value.
Plus,
/// -x, multiplication by -1.
Minus,
}
/// Kinds of binary operations, that are placed between two expressions.
///
/// As a convention, all binary operations should be one character.
pub enum BinaryOpKind {
/// a + b
Add,
/// a - b
Sub,
/// a * b
Mul,
/// a / b
Div,
/// a % b
Modulo,
/// a ^ b
Exponent,
/// a & b
And,
/// a | b
Or,
}
///
pub enum Pattern {}
pub enum Literal {}
pub enum Token {}

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fn main() {
println!("Hello, world!");
}

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def main() =
print "Hello World";
def add(x: I32, y: I32) : I32 =
x + y;