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commit
a0c820b41f
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.gitignore
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.gitignore
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*/target/
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*~
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329
axc/Cargo.lock
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axc/Cargo.lock
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# This file is automatically @generated by Cargo.
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||||||
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10
axc/Cargo.toml
Normal file
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axc/Cargo.toml
Normal file
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||||||
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[package]
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||||||
|
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
chumsky = "0.8.0"
|
||||||
|
clap = { version = "3.2.16", features = ["derive"] }
|
||||||
105
axc/src/lib.rs
Normal file
105
axc/src/lib.rs
Normal file
|
|
@ -0,0 +1,105 @@
|
||||||
|
//! 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 {}
|
||||||
3
axc/src/main.rs
Normal file
3
axc/src/main.rs
Normal file
|
|
@ -0,0 +1,3 @@
|
||||||
|
fn main() {
|
||||||
|
println!("Hello, world!");
|
||||||
|
}
|
||||||
5
examples/hello.axs
Normal file
5
examples/hello.axs
Normal file
|
|
@ -0,0 +1,5 @@
|
||||||
|
def main() =
|
||||||
|
print "Hello World";
|
||||||
|
|
||||||
|
def add(x: I32, y: I32) : I32 =
|
||||||
|
x + y;
|
||||||
Loading…
Reference in a new issue