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use crate::{Parse, ParseResult, ParseToEnd, Parser, ParserConsumed};
use sway_ast::{attribute::Annotated, Module, ModuleKind};
use sway_error::parser_error::ParseErrorKind;
impl Parse for ModuleKind {
fn parse(parser: &mut Parser) -> ParseResult<Self> {
if let Some(script_token) = parser.take() {
Ok(Self::Script { script_token })
} else if let Some(contract_token) = parser.take() {
Ok(Self::Contract { contract_token })
} else if let Some(predicate_token) = parser.take() {
Ok(Self::Predicate { predicate_token })
} else if let Some(library_token) = parser.take() {
Ok(Self::Library { library_token })
} else {
Err(parser.emit_error(ParseErrorKind::ExpectedModuleKind))
}
}
}
impl ParseToEnd for Annotated<Module> {
fn parse_to_end<'a, 'e>(mut parser: Parser<'a, '_>) -> ParseResult<(Self, ParserConsumed<'a>)> {
let attributes = parser.parse()?;
let (kind, semicolon_token) = parser.parse()?;
let (items, consumed) = parser.parse_to_end()?;
let module = Annotated {
attributes,
value: Module {
kind,
semicolon_token,
items,
},
};
Ok((module, consumed))
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::test_utils::parse_to_end;
use insta::*;
#[test]
fn parse_noop_script_module() {
assert_ron_snapshot!(parse_to_end::<Annotated<Module>>(r#"
script;
fn main() {
()
}
"#,), @r#"
Annotated(
attributes: [],
value: Module(
kind: Script(
script_token: ScriptToken(
span: Span(
src: "\n script;\n \n fn main() {\n ()\n }\n ",
start: 13,
end: 19,
source_id: None,
),
),
),
semicolon_token: SemicolonToken(
span: Span(
src: "\n script;\n \n fn main() {\n ()\n }\n ",
start: 19,
end: 20,
source_id: None,
),
),
items: [
Annotated(
attributes: [],
value: Fn(ItemFn(
fn_signature: FnSignature(
visibility: None,
fn_token: FnToken(
span: Span(
src: "\n script;\n \n fn main() {\n ()\n }\n ",
start: 42,
end: 44,
source_id: None,
),
),
name: BaseIdent(
name_override_opt: None,
span: Span(
src: "\n script;\n \n fn main() {\n ()\n }\n ",
start: 45,
end: 49,
source_id: None,
),
is_raw_ident: false,
),
generics: None,
arguments: Parens(
inner: Static(Punctuated(
value_separator_pairs: [],
final_value_opt: None,
)),
span: Span(
src: "\n script;\n \n fn main() {\n ()\n }\n ",
start: 49,
end: 51,
source_id: None,
),
),
return_type_opt: None,
where_clause_opt: None,
),
body: Braces(
inner: CodeBlockContents(
statements: [],
final_expr_opt: Some(Tuple(Parens(
inner: Nil,
span: Span(
src: "\n script;\n \n fn main() {\n ()\n }\n ",
start: 70,
end: 72,
source_id: None,
),
))),
span: Span(
src: "\n script;\n \n fn main() {\n ()\n }\n ",
start: 53,
end: 85,
source_id: None,
),
),
span: Span(
src: "\n script;\n \n fn main() {\n ()\n }\n ",
start: 52,
end: 86,
source_id: None,
),
),
)),
),
],
),
)
"#);
}
}