97 lines
2.1 KiB
Rust
97 lines
2.1 KiB
Rust
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub struct Span {
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pub left: usize,
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pub right: usize
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub struct Spanned<T> {
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pub span: Span,
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pub value: T,
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub struct TypeUsage {
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pub name: Spanned<Identifier>
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//TODO: Generics go here
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub enum Operator {
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Mul,
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Div,
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Plus,
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Minus,
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub struct LiteralInt {
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pub value: i64,
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub struct Identifier {
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pub name: String,
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub struct FunctionCall {
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pub name: Spanned<Identifier>,
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pub arguments: Vec<Spanned<Box<Expression>>>,
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub struct Operation {
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pub left: Spanned<Box<Expression>>,
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pub op: Operator,
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pub right: Spanned<Box<Expression>>,
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub enum Expression {
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LiteralInt(Spanned<LiteralInt>),
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FunctionCall(Spanned<FunctionCall>),
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Identifier(Spanned<Identifier>),
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Op(Operation),
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub struct Assignment {
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pub name: Spanned<Identifier>,
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pub type_usage: Option<Spanned<TypeUsage>>,
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// mut, weak here
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pub expression: Spanned<Box<Expression>>,
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub enum Statement {
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Assignment(Spanned<Assignment>),
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Expression(Spanned<Box<Expression>>),
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub struct Block {
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pub statements: Vec<Spanned<Statement>>,
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub struct VariableDeclaration {
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pub name: Spanned<Identifier>,
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pub type_usage: Spanned<TypeUsage>,
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub struct Function {
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pub name: Spanned<Identifier>,
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pub arguments: Vec<VariableDeclaration>,
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pub return_type: Spanned<TypeUsage>,
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pub block: Block,
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}
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub struct Module {
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pub functions: Vec<Function>,
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}
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