100 lines
2.7 KiB
Rust
100 lines
2.7 KiB
Rust
use crate::ast::*;
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use crate::parser::*;
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use nom::branch::*;
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use nom::multi::*;
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use nom::IResult;
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// -----------------------------------------------------------------------------
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#[derive(Debug, Node)]
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pub enum BlockItemDeclaration<'a> {
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Data(BlockItemDeclarationData<'a>),
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LocalParameter(BlockItemDeclarationLocalParameter<'a>),
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Parameter(BlockItemDeclarationParameter<'a>),
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Let(BlockItemDeclarationLet<'a>),
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}
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#[derive(Debug, Node)]
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pub struct BlockItemDeclarationData<'a> {
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pub nodes: (Vec<AttributeInstance<'a>>, DataDeclaration<'a>),
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}
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#[derive(Debug, Node)]
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pub struct BlockItemDeclarationLocalParameter<'a> {
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pub nodes: (
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Vec<AttributeInstance<'a>>,
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LocalParameterDeclaration<'a>,
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Symbol<'a>,
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),
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}
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#[derive(Debug, Node)]
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pub struct BlockItemDeclarationParameter<'a> {
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pub nodes: (
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Vec<AttributeInstance<'a>>,
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ParameterDeclaration<'a>,
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Symbol<'a>,
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),
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}
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#[derive(Debug, Node)]
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pub struct BlockItemDeclarationLet<'a> {
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pub nodes: (Vec<AttributeInstance<'a>>, LetDeclaration<'a>),
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}
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// -----------------------------------------------------------------------------
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#[parser]
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pub fn block_item_declaration(s: Span) -> IResult<Span, BlockItemDeclaration> {
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alt((
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block_item_declaration_data,
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block_item_declaration_local_parameter,
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block_item_declaration_parameter,
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block_item_declaration_let,
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))(s)
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}
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#[parser]
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pub fn block_item_declaration_data(s: Span) -> IResult<Span, BlockItemDeclaration> {
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let (s, a) = many0(attribute_instance)(s)?;
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let (s, b) = data_declaration(s)?;
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Ok((
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s,
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BlockItemDeclaration::Data(BlockItemDeclarationData { nodes: (a, b) }),
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))
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}
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#[parser]
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pub fn block_item_declaration_local_parameter(s: Span) -> IResult<Span, BlockItemDeclaration> {
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let (s, a) = many0(attribute_instance)(s)?;
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let (s, b) = local_parameter_declaration(s)?;
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let (s, c) = symbol(";")(s)?;
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Ok((
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s,
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BlockItemDeclaration::LocalParameter(BlockItemDeclarationLocalParameter {
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nodes: (a, b, c),
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}),
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))
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}
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#[parser]
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pub fn block_item_declaration_parameter(s: Span) -> IResult<Span, BlockItemDeclaration> {
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let (s, a) = many0(attribute_instance)(s)?;
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let (s, b) = parameter_declaration(s)?;
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let (s, c) = symbol(";")(s)?;
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Ok((
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s,
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BlockItemDeclaration::Parameter(BlockItemDeclarationParameter { nodes: (a, b, c) }),
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))
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}
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#[parser]
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pub fn block_item_declaration_let(s: Span) -> IResult<Span, BlockItemDeclaration> {
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let (s, a) = many0(attribute_instance)(s)?;
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let (s, b) = let_declaration(s)?;
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Ok((
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s,
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BlockItemDeclaration::Let(BlockItemDeclarationLet { nodes: (a, b) }),
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))
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}
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