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parser.rs
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use std::fmt;
use full_moon::ast::Ast;
use crate::{
ast_converter::{AstConverter, ConvertError},
nodes::*,
utils::Timer,
};
#[derive(Clone, Debug, Default, PartialEq, Eq)]
pub struct Parser {
hold_token_data: bool,
}
impl Parser {
pub fn parse(&self, code: &str) -> Result<Block, ParserError> {
let full_moon_parse_timer = Timer::now();
let parse_result = full_moon::parse(code);
log::trace!(
"full-moon parsing done in {}",
full_moon_parse_timer.duration_label()
);
parse_result.map_err(ParserError::parsing).and_then(|ast| {
log::trace!("start converting full-moon AST");
let conversion_timer = Timer::now();
let block = self.convert_ast(ast).map_err(ParserError::converting);
log::trace!(
" ⨽ completed AST conversion in {}",
conversion_timer.duration_label()
);
block
})
}
pub fn preserve_tokens(mut self) -> Self {
self.hold_token_data = true;
self
}
pub(crate) fn is_preserving_tokens(&self) -> bool {
self.hold_token_data
}
#[cfg_attr(feature = "tracing", tracing::instrument(level = "trace", skip_all))]
fn convert_ast(&self, ast: Ast) -> Result<Block, ConvertError> {
AstConverter::new(self.hold_token_data).convert(&ast)
}
}
#[derive(Clone, Debug)]
enum ParserErrorKind {
Parsing(full_moon::Error),
Converting(ConvertError),
}
#[derive(Clone, Debug)]
pub struct ParserError {
kind: Box<ParserErrorKind>,
}
impl ParserError {
fn parsing(err: full_moon::Error) -> Self {
Self {
kind: ParserErrorKind::Parsing(err).into(),
}
}
fn converting(err: ConvertError) -> Self {
Self {
kind: ParserErrorKind::Converting(err).into(),
}
}
}
impl fmt::Display for ParserError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match &*self.kind {
ParserErrorKind::Parsing(err) => write!(f, "{}", err),
ParserErrorKind::Converting(err) => write!(f, "{}", err),
}
}
}
#[cfg(test)]
mod test {
use std::str::FromStr;
use crate::nodes::ReturnStatement;
use super::*;
macro_rules! test_parse {
($($name:ident($input:literal) => $value:expr),* $(,)?) => {
$(
#[test]
fn $name() {
let parser = Parser::default();
let block = parser.parse($input)
.expect(&format!("failed to parse `{}`", $input));
let expect_block = $value.into();
pretty_assertions::assert_eq!(block, expect_block);
}
)*
};
}
test_parse!(
empty_string("") => Block::default(),
single_line_comment("-- todo") => Block::default(),
empty_do("do end") => DoStatement::default(),
empty_do_nested("do do end end") => DoStatement::new(DoStatement::default().into()),
two_nested_empty_do_in_do_statement("do do end do end end") => DoStatement::new(
Block::default().with_statement(DoStatement::default()).with_statement(DoStatement::default())
),
triple_nested_do_statements("do do end do do end end end") => DoStatement::new(
Block::default()
.with_statement(DoStatement::default())
.with_statement(DoStatement::new(DoStatement::default().into()))
),
do_return_end("do return end") => DoStatement::new(ReturnStatement::default().into()),
break_statement("break") => LastStatement::new_break(),
return_no_values("return") => ReturnStatement::default(),
return_true("return true") => ReturnStatement::one(Expression::from(true)),
return_false("return false") => ReturnStatement::one(false),
return_nil("return nil") => ReturnStatement::one(Expression::nil()),
return_variable_arguments("return ...") => ReturnStatement::one(Expression::variable_arguments()),
return_variable("return var") => ReturnStatement::one(Expression::identifier("var")),
return_parentheses_true("return (true)") => ReturnStatement::one(
Expression::from(true).in_parentheses(),
),
return_true_false("return true, false") => ReturnStatement::one(Expression::from(true))
.with_expression(false),
return_empty_single_quote_string("return ''") => ReturnStatement::one(StringExpression::new("''").unwrap()),
return_empty_double_quote_string("return \"\"") => ReturnStatement::one(StringExpression::new("\"\"").unwrap()),
return_empty_backtick_string("return ``") => ReturnStatement::one(InterpolatedStringExpression::empty()),
return_backtick_string_hello("return `hello`") => ReturnStatement::one(InterpolatedStringExpression::new(
vec![StringSegment::from_value("hello").into()]
)),
return_backtick_string_with_single_value("return `{true}`") => ReturnStatement::one(InterpolatedStringExpression::new(
vec![ValueSegment::new(true).into()]
)),
return_backtick_string_with_prefixed_single_value("return `value = {true}`") => ReturnStatement::one(InterpolatedStringExpression::new(
vec![
StringSegment::from_value("value = ").into(),
ValueSegment::new(true).into(),
]
)),
return_backtick_string_with_suffixed_single_value("return `{false} -> condition`") => ReturnStatement::one(InterpolatedStringExpression::new(
vec![
ValueSegment::new(false).into(),
StringSegment::from_value(" -> condition").into(),
]
)),
return_backtick_string_with_prefix_and_suffixed_single_value("return `-> {value} (value)`") => ReturnStatement::one(InterpolatedStringExpression::new(
vec![
StringSegment::from_value("-> ").into(),
ValueSegment::new(Expression::identifier("value")).into(),
StringSegment::from_value(" (value)").into(),
]
)),
return_backtick_string_escape_braces("return `Hello \\{}`") => ReturnStatement::one(InterpolatedStringExpression::new(
vec![StringSegment::from_value("Hello {}").into()]
)),
return_backtick_string_escape_backtick("return `Delimiter: \\``") => ReturnStatement::one(InterpolatedStringExpression::new(
vec![StringSegment::from_value("Delimiter: `").into()]
)),
return_backtick_string_escape_backslash("return `\\\\`") => ReturnStatement::one(InterpolatedStringExpression::new(
vec![StringSegment::from_value("\\").into()]
)),
return_backtick_string_with_table_value("return `{ {} }`") => ReturnStatement::one(InterpolatedStringExpression::new(
vec![ValueSegment::new(TableExpression::default()).into()]
)),
return_backtick_string_with_backtrick_string_value("return `{`a`}`") => ReturnStatement::one(InterpolatedStringExpression::new(
vec![ValueSegment::new(
InterpolatedStringExpression::new(vec![StringSegment::from_value("a").into()])
).into()]
)),
empty_while_true_do("while true do end") => WhileStatement::new(Block::default(), true),
while_false_do_break("while false do break end") => WhileStatement::new(
LastStatement::new_break(),
false,
),
empty_repeat("repeat until true") => RepeatStatement::new(Block::default(), true),
repeat_break("repeat break until true") => RepeatStatement::new(
LastStatement::new_break(),
true,
),
repeat_continue("repeat continue until true") => RepeatStatement::new(
LastStatement::new_continue(),
true,
),
local_assignment_with_no_values("local var") => LocalAssignStatement::from_variable("var"),
multiple_local_assignment_with_no_values("local foo, bar") => LocalAssignStatement::from_variable("foo")
.with_variable("bar"),
local_assignment_with_one_value("local var = true") => LocalAssignStatement::from_variable("var")
.with_value(true),
multiple_local_assignment_with_two_values("local foo, bar = true, false") => LocalAssignStatement::from_variable("foo")
.with_variable("bar")
.with_value(true)
.with_value(false),
return_binary_and("return true and false") => ReturnStatement::one(
BinaryExpression::new(BinaryOperator::And, true, false),
),
return_binary_floor_division("return 10 // 3") => ReturnStatement::one(
BinaryExpression::new(BinaryOperator::DoubleSlash, 10, 3),
),
return_zero("return 0") => ReturnStatement::one(
NumberExpression::from_str("0").unwrap(),
),
return_one("return 1") => ReturnStatement::one(
NumberExpression::from_str("1").unwrap(),
),
return_float("return 1.5") => ReturnStatement::one(
NumberExpression::from_str("1.5").unwrap(),
),
return_zero_point_five("return .5") => ReturnStatement::one(
NumberExpression::from_str(".5").unwrap(),
),
return_not_true("return not true") => ReturnStatement::one(
UnaryExpression::new(UnaryOperator::Not, true),
),
return_variable_length("return #array") => ReturnStatement::one(
UnaryExpression::new(
UnaryOperator::Length,
Expression::identifier("array"),
),
),
return_minus_variable("return -num") => ReturnStatement::one(
UnaryExpression::new(
UnaryOperator::Minus,
Expression::identifier("num"),
),
),
call_function("call()") => FunctionCall::from_name("call"),
call_indexed_table("foo.bar()") => FunctionCall::from_prefix(
FieldExpression::new(Prefix::from_name("foo"), "bar")
),
call_method("foo:bar()") => FunctionCall::from_name("foo").with_method("bar"),
call_method_with_one_argument("foo:bar(true)") => FunctionCall::from_name("foo")
.with_method("bar")
.with_argument(true),
call_function_with_one_argument("call(true)") => FunctionCall::from_name("call")
.with_argument(true),
call_function_with_two_arguments("call(true, false)") => FunctionCall::from_name("call")
.with_argument(true)
.with_argument(false),
call_chain_empty("call()()") => FunctionCall::from_prefix(
FunctionCall::from_name("call")
),
call_chain_with_args("call(true)(false)") => FunctionCall::from_prefix(
FunctionCall::from_name("call").with_argument(true)
).with_argument(false),
call_method_chain_empty("call():method()") => FunctionCall::from_prefix(
FunctionCall::from_name("call")
).with_method("method"),
call_method_chain_with_arguments("call(true):method(false)") => FunctionCall::from_prefix(
FunctionCall::from_name("call").with_argument(true)
).with_method("method").with_argument(false),
call_index_chain_empty("call().method()") => FunctionCall::from_prefix(
FieldExpression::new(FunctionCall::from_name("call"), "method")
),
call_with_empty_table_argument("call{}") => FunctionCall::from_name("call")
.with_arguments(TableExpression::default()),
call_with_empty_string_argument("call''") => FunctionCall::from_name("call")
.with_arguments(StringExpression::empty()),
return_call_function("return call()") => ReturnStatement::one(
FunctionCall::from_name("call"),
),
return_call_indexed_table("return foo.bar()") => ReturnStatement::one(
FunctionCall::from_prefix(FieldExpression::new(Prefix::from_name("foo"), "bar")),
),
return_call_method("return foo:bar()") => ReturnStatement::one(
FunctionCall::from_name("foo").with_method("bar"),
),
return_call_method_with_one_argument("return foo:bar(true)") => ReturnStatement::one(
FunctionCall::from_name("foo").with_method("bar").with_argument(true),
),
return_call_function_with_one_argument("return call(true)") => ReturnStatement::one(
FunctionCall::from_name("call").with_argument(true),
),
return_call_function_with_two_arguments("return call(true, false)") => ReturnStatement::one(
FunctionCall::from_name("call")
.with_argument(true)
.with_argument(false),
),
return_call_chain_empty("return call()()") => ReturnStatement::one(
FunctionCall::from_prefix(FunctionCall::from_name("call")),
),
return_call_chain_with_args("return call(true)(false)") => ReturnStatement::one(
FunctionCall::from_prefix(
FunctionCall::from_name("call").with_argument(true)
).with_argument(false),
),
return_call_method_chain_empty("return call():method()") => ReturnStatement::one(
FunctionCall::from_prefix(FunctionCall::from_name("call")).with_method("method"),
),
return_call_method_chain_with_arguments("return call(true):method(false)")
=> ReturnStatement::one(
FunctionCall::from_prefix(FunctionCall::from_name("call").with_argument(true))
.with_method("method")
.with_argument(false),
),
return_call_index_chain_empty("return call().method()") => ReturnStatement::one(
FunctionCall::from_prefix(FieldExpression::new(FunctionCall::from_name("call"), "method")),
),
return_call_new_empty_function("return (function() end)()") => ReturnStatement::one(
FunctionCall::from_prefix(
ParentheseExpression::new(FunctionExpression::default())
),
),
return_call_variable_argument("return (...)()") => ReturnStatement::one(
FunctionCall::from_prefix(ParentheseExpression::new(Expression::variable_arguments())),
),
return_call_variable_in_parentheses("return (var)()") => ReturnStatement::one(
FunctionCall::from_prefix(ParentheseExpression::new(Expression::identifier("var"))),
),
return_call_variable_in_double_parentheses("return ((var))()") => ReturnStatement::one(
FunctionCall::from_prefix(
ParentheseExpression::new(Expression::identifier("var").in_parentheses())
),
),
return_field_expression("return math.huge") => ReturnStatement::one(
FieldExpression::new(Prefix::from_name("math"), "huge")
),
index_field_function_call("return call().result") => ReturnStatement::one(
FieldExpression::new(FunctionCall::from_name("call"), "result"),
),
return_index_expression("return value[true]") => ReturnStatement::one(
IndexExpression::new(Prefix::from_name("value"), true)
),
return_empty_table("return {}") => ReturnStatement::one(TableExpression::default()),
return_array_with_one_element("return {true}") => ReturnStatement::one(
TableExpression::default().append_array_value(true)
),
return_array_with_two_elements("return {true, false}") => ReturnStatement::one(
TableExpression::default()
.append_array_value(true)
.append_array_value(false)
),
return_array_with_one_field("return { field = true }") => ReturnStatement::one(
TableExpression::default().append_field("field", true)
),
return_array_with_one_key_expression("return { [false] = true }") => ReturnStatement::one(
TableExpression::default().append_index(false, true)
),
assign_variable("var = true") => AssignStatement::from_variable(
Variable::new("var"),
true,
),
assign_two_variables("var, var2 = true, false") => AssignStatement::from_variable(
Variable::new("var"),
true,
).append_assignment(Variable::new("var2"), false),
assign_one_variable_with_two_values("var = 0b1010, ...") => AssignStatement::new(
vec![Variable::new("var")],
vec!["0b1010".parse::<NumberExpression>().unwrap().into(), Expression::variable_arguments()],
),
assign_field("var.field = true") => AssignStatement::from_variable(
FieldExpression::new(Prefix::from_name("var"), "field"),
true,
),
assign_field_and_variable("var.field, other = true, 1 + value") =>
AssignStatement::from_variable(
FieldExpression::new(Prefix::from_name("var"), "field"),
true,
).append_assignment(
Variable::new("other"),
BinaryExpression::new(BinaryOperator::Plus, 1.0, Expression::identifier("value"))
),
assign_index("var[false] = true") => AssignStatement::from_variable(
IndexExpression::new(Prefix::from_name("var"), false),
true,
),
return_empty_function("return function() end") => ReturnStatement::one(
FunctionExpression::default(),
),
return_empty_function_with_one_param("return function(a) end") => ReturnStatement::one(
FunctionExpression::default().with_parameter("a"),
),
return_empty_function_with_two_params("return function(a, b) end") => ReturnStatement::one(
FunctionExpression::default().with_parameter("a").with_parameter("b"),
),
return_empty_variadic_function("return function(...) end") => ReturnStatement::one(
FunctionExpression::default().variadic(),
),
return_empty_variadic_function_with_one_param("return function(a, ...) end")
=> ReturnStatement::one(
FunctionExpression::default().with_parameter("a").variadic(),
),
return_function_that_returns("return function() return true end")
=> ReturnStatement::one(
FunctionExpression::from_block(ReturnStatement::one(Expression::from(true)))
),
empty_if_statement("if true then end") => IfStatement::create(true, Block::default()),
if_statement_returns("if true then return end") => IfStatement::create(
Expression::from(true),
ReturnStatement::default(),
),
empty_if_statement_with_empty_else("if true then else end")
=> IfStatement::create(true, Block::default())
.with_else_block(Block::default()),
empty_if_statement_with_empty_elseif("if true then elseif false then end")
=> IfStatement::create(true, Block::default())
.with_new_branch(false, Block::default()),
empty_if_statement_with_empty_elseif_and_empty_else("if true then elseif false then else end")
=> IfStatement::create(true, Block::default())
.with_new_branch(false, Block::default())
.with_else_block(Block::default()),
empty_if_statement_with_returning_else("if true then else return end")
=> IfStatement::create(true, Block::default())
.with_else_block(ReturnStatement::default()),
empty_local_function("local function name() end")
=> LocalFunctionStatement::from_name("name", Block::default()),
empty_local_function_variadic("local function name(...) end")
=> LocalFunctionStatement::from_name("name", Block::default()).variadic(),
empty_local_function_variadic_with_one_parameter("local function name(a, ...) end")
=> LocalFunctionStatement::from_name("name", Block::default())
.with_parameter("a")
.variadic(),
local_function_return("local function name() return end")
=> LocalFunctionStatement::from_name("name", ReturnStatement::default()),
empty_function_statement("function name() end")
=> FunctionStatement::from_name("name", Block::default()),
empty_function_statement_variadic("function name(...) end")
=> FunctionStatement::from_name("name", Block::default()).variadic(),
empty_function_statement_variadic_with_one_parameter("function name(a, ...) end")
=> FunctionStatement::from_name("name", Block::default())
.with_parameter("a")
.variadic(),
function_statement_return("function name() return end")
=> FunctionStatement::from_name("name", ReturnStatement::default()),
empty_generic_for("for key in pairs(t) do end") => GenericForStatement::new(
vec!["key".into()],
vec![
FunctionCall::from_name("pairs")
.with_argument(Expression::identifier("t"))
.into(),
],
Block::default(),
),
empty_generic_for_with_typed_key("for key: string in t do end") => GenericForStatement::new(
vec![Identifier::new("key").with_type(TypeName::new("string"))],
vec![
Expression::identifier("t"),
],
Block::default(),
),
empty_generic_for_multiple_variables("for key, value in pairs(t) do end") => GenericForStatement::new(
vec!["key".into(), "value".into()],
vec![
FunctionCall::from_name("pairs")
.with_argument(Expression::identifier("t"))
.into(),
],
Block::default(),
),
empty_generic_for_multiple_values("for key in next, t do end") => GenericForStatement::new(
vec!["key".into()],
vec![Expression::identifier("next"), Expression::identifier("t")],
Block::default(),
),
generic_for_break("for key in pairs(t) do break end") => GenericForStatement::new(
vec!["key".into()],
vec![
FunctionCall::from_name("pairs")
.with_argument(Expression::identifier("t"))
.into(),
],
LastStatement::new_break(),
),
empty_numeric_for("for i=start, bound do end") => NumericForStatement::new(
"i",
Expression::identifier("start"),
Expression::identifier("bound"),
None,
Block::default(),
),
empty_numeric_for_with_step("for i=start, bound, step do end") => NumericForStatement::new(
"i",
Expression::identifier("start"),
Expression::identifier("bound"),
Some(Expression::identifier("step")),
Block::default(),
),
numeric_for_that_breaks("for i=start, bound do break end") => NumericForStatement::new(
"i",
Expression::identifier("start"),
Expression::identifier("bound"),
None,
LastStatement::new_break(),
),
compound_increment("var += amount") => CompoundAssignStatement::new(
CompoundOperator::Plus,
Variable::new("var"),
Expression::identifier("amount"),
),
// todo: once full-moon fixes this issue and the change is in a new release
// https://github.com/Kampfkarren/full-moon/issues/292
// compound_floor_division("var //= divider") => CompoundAssignStatement::new(
// CompoundOperator::Plus,
// Variable::new("var"),
// Expression::identifier("divider"),
// ),
);
mod parse_with_tokens {
use super::*;
macro_rules! test_parse_block_with_tokens {
($($name:ident($input:literal) => $value:expr),* $(,)?) => {
$(
#[test]
fn $name() {
let parser = Parser::default().preserve_tokens();
let block = match parser.parse($input) {
Ok(block) => block,
Err(err) => {
panic!(
"failed to parse `{}`: {}\nfull-moon result:\n{:#?}",
$input,
err,
full_moon::parse($input)
);
}
};
let expect_block = $value;
pretty_assertions::assert_eq!(block, expect_block);
}
)*
};
}
macro_rules! test_parse_statement_with_tokens {
($($name:ident($input:literal) => $value:expr),* $(,)?) => {
test_parse_block_with_tokens!(
$(
$name($input) => Block::from($value).with_tokens(BlockTokens {
semicolons: vec![None],
last_semicolon: None,
final_token: None,
}),
)*
);
};
}
macro_rules!
test_parse_last_statement_with_tokens {
($($name:ident($input:literal) => $value:expr),* $(,)?) => {
test_parse_block_with_tokens!(
$(
$name($input) => Block::from($value).with_tokens(BlockTokens {
semicolons: Vec::new(),
last_semicolon: None,
final_token: None,
}),
)*
);
};
}
fn create_true(start: usize, whitespace_length: usize) -> Expression {
let end = start + 4;
let token = Token::new_with_line(start, end, 1);
Expression::True(Some(if whitespace_length == 0 {
token
} else {
token.with_trailing_trivia(TriviaKind::Whitespace.at(
end,
end + whitespace_length,
1,
))
}))
}
fn create_identifier(
identifier: &str,
start: usize,
whitespace_length: usize,
) -> Identifier {
create_identifier_at_line(identifier, start, whitespace_length, 1)
}
fn create_identifier_at_line(
identifier: &str,
start: usize,
whitespace_length: usize,
line: usize,
) -> Identifier {
let end = start + identifier.len();
Identifier::new(identifier).with_token({
let token = Token::new_with_line(start, end, line);
if whitespace_length != 0 {
token.with_trailing_trivia(TriviaKind::Whitespace.at(
end,
end + whitespace_length,
line,
))
} else {
token
}
})
}
fn spaced_token(start: usize, end: usize) -> Token {
spaced_token_at_line(start, end, 1)
}
fn spaced_token_at_line(start: usize, end: usize, line: usize) -> Token {
Token::new_with_line(start, end, line).with_trailing_trivia(TriviaKind::Whitespace.at(
end,
end + 1,
line,
))
}
fn default_block() -> Block {
Block::default().with_tokens(BlockTokens {
semicolons: Vec::new(),
last_semicolon: None,
final_token: None,
})
}
fn token_at_first_line(start: usize, end: usize) -> Token {
Token::new_with_line(start, end, 1)
}
test_parse_last_statement_with_tokens!(
return_with_comment("return -- comment") => ReturnStatement::default()
.with_tokens(ReturnTokens {
r#return: token_at_first_line(0, 6)
.with_trailing_trivia(TriviaKind::Whitespace.at(6, 7, 1))
.with_trailing_trivia(TriviaKind::Comment.at(7, 17, 1)),
commas: Vec::new(),
}),
return_true("return true") => ReturnStatement::one(create_true(7, 0))
.with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_false("return false") => ReturnStatement::one(
Expression::False(Some(token_at_first_line(7, 12)))
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_nil("return nil") => ReturnStatement::one(
Expression::Nil(Some(token_at_first_line(7, 10)))
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_variable_arguments("return ...") => ReturnStatement::one(
Expression::VariableArguments(Some(token_at_first_line(7, 10)))
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_empty_single_quote_string("return ''") => ReturnStatement::one(
StringExpression::empty().with_token(token_at_first_line(7, 9))
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_empty_double_quote_string("return \"\"") => ReturnStatement::one(
StringExpression::empty().with_token(token_at_first_line(7, 9))
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_double_quote_string("return \"abc\"") => ReturnStatement::one(
StringExpression::from_value("abc").with_token(token_at_first_line(7, 12))
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_empty_backtick_string("return ``") => ReturnStatement::one(
InterpolatedStringExpression::empty().with_tokens(
InterpolatedStringTokens {
opening_tick: token_at_first_line(7, 8),
closing_tick: token_at_first_line(8, 9),
}
)
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_backtick_string_with_escaped_backtick("return `\\``") => ReturnStatement::one(
InterpolatedStringExpression::empty()
.with_segment(
StringSegment::from_value('`').with_token(token_at_first_line(8, 10))
)
.with_tokens(
InterpolatedStringTokens {
opening_tick: token_at_first_line(7, 8),
closing_tick: token_at_first_line(10, 11),
}
)
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_backtick_string_hello("return `hello`") => ReturnStatement::one(
InterpolatedStringExpression::new(vec![
StringSegment::from_value("hello")
.with_token(token_at_first_line(8, 13))
.into()
])
.with_tokens(InterpolatedStringTokens {
opening_tick: token_at_first_line(7, 8),
closing_tick: token_at_first_line(13, 14),
})
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_backtick_string_with_single_value("return `{true}`") => ReturnStatement::one(
InterpolatedStringExpression::new(vec![
ValueSegment::new(create_true(9, 0)).with_tokens(ValueSegmentTokens {
opening_brace: token_at_first_line(8, 9),
closing_brace: token_at_first_line(13, 14),
}).into()
])
.with_tokens(InterpolatedStringTokens {
opening_tick: token_at_first_line(7, 8),
closing_tick: token_at_first_line(14, 15),
})
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_backtick_string_with_prefixed_single_value("return `value = {true}`") => ReturnStatement::one(
InterpolatedStringExpression::new(
vec![
StringSegment::from_value("value = ")
.with_token(token_at_first_line(8, 16))
.into(),
ValueSegment::new(create_true(17, 0))
.with_tokens(ValueSegmentTokens {
opening_brace: token_at_first_line(16, 17),
closing_brace: token_at_first_line(21, 22),
}).into(),
]
)
.with_tokens(InterpolatedStringTokens {
opening_tick: token_at_first_line(7, 8),
closing_tick: token_at_first_line(22, 23),
})
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_backtick_string_with_suffixed_single_value("return `{true} -> condition`") => ReturnStatement::one(
InterpolatedStringExpression::new(
vec![
ValueSegment::new(create_true(9, 0))
.with_tokens(ValueSegmentTokens {
opening_brace: token_at_first_line(8, 9),
closing_brace: token_at_first_line(13, 14),
}).into(),
StringSegment::from_value(" -> condition")
.with_token(token_at_first_line(14, 27))
.into(),
]
)
.with_tokens(InterpolatedStringTokens {
opening_tick: token_at_first_line(7, 8),
closing_tick: token_at_first_line(27, 28),
})
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_backtick_string_with_prefix_and_suffixed_single_value("return `-> {value} (value)`") => ReturnStatement::one(
InterpolatedStringExpression::new(
vec![
StringSegment::from_value("-> ")
.with_token(token_at_first_line(8, 11))
.into(),
ValueSegment::new(create_identifier("value", 12, 0))
.with_tokens(ValueSegmentTokens {
opening_brace: token_at_first_line(11, 12),
closing_brace: token_at_first_line(17, 18),
}).into(),
StringSegment::from_value(" (value)")
.with_token(token_at_first_line(18, 26))
.into(),
]
)
.with_tokens(InterpolatedStringTokens {
opening_tick: token_at_first_line(7, 8),
closing_tick: token_at_first_line(26, 27),
})
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_integer_number("return 123") => ReturnStatement::one(
DecimalNumber::new(123.0).with_token(token_at_first_line(7, 10))
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_float("return 12.34 -- value") => ReturnStatement::one(
DecimalNumber::new(12.34).with_token(
spaced_token(7, 12).with_trailing_trivia(TriviaKind::Comment.at(13, 21, 1))
)
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_binary_number("return 0b1010") => ReturnStatement::one(
BinaryNumber::new(0b1010, false).with_token(token_at_first_line(7, 13))
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_hexadecimal_number("return 0x12EF") => ReturnStatement::one(
HexNumber::new(0x12EF, false).with_token(token_at_first_line(7, 13))
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_empty_table("return {--[[ inside ]]}") => ReturnStatement::one(
TableExpression::default().with_tokens(TableTokens {
opening_brace: token_at_first_line(7, 8)
.with_trailing_trivia(TriviaKind::Comment.at(8, 22, 1)),
closing_brace: token_at_first_line(22, 23),
separators: Vec::new(),
})
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_array_with_one_element("return { true} ") => ReturnStatement::one(
TableExpression::default()
.append_array_value(create_true(9, 0))
.with_tokens(TableTokens {
opening_brace: spaced_token(7, 8),
closing_brace: spaced_token(13, 14),
separators: Vec::new(),
})
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_array_with_two_elements("return {true, true}") => ReturnStatement::one(
TableExpression::default()
.append_array_value(create_true(8, 0))
.append_array_value(create_true(14, 0))
.with_tokens(TableTokens {
opening_brace: token_at_first_line(7, 8),
closing_brace: token_at_first_line(18, 19),
separators: vec![spaced_token(12, 13)],
})
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_array_with_one_field("return { field = true; }") => ReturnStatement::one(
TableExpression::default()
.append_entry(
TableFieldEntry::new(
create_identifier("field", 9, 1),
create_true(17, 0),
).with_token(spaced_token(15, 16))
)
.with_tokens(TableTokens {
opening_brace: spaced_token(7, 8),
closing_brace: token_at_first_line(23, 24),
separators: vec![spaced_token(21, 22)],
})
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_array_with_one_key_expression("return { [var] = true }") => ReturnStatement::one(
TableExpression::default()
.append_entry(
TableIndexEntry::new(
create_identifier("var", 10, 0),
create_true(17, 1),
).with_tokens(TableIndexEntryTokens {
opening_bracket: token_at_first_line(9, 10),
closing_bracket: spaced_token(13, 14),
equal: spaced_token(15, 16),
})
)
.with_tokens(TableTokens {
opening_brace: spaced_token(7, 8),
closing_brace: token_at_first_line(22, 23),
separators: Vec::new(),
})
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_field_expression("return math.huge") => ReturnStatement::one(
FieldExpression::new(
Prefix::from_name(create_identifier("math", 7, 0)),
create_identifier("huge", 12, 0)
).with_token(token_at_first_line(11, 12))
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_double_field_expression("return table.ok .result") => ReturnStatement::one(
FieldExpression::new(
FieldExpression::new(
Prefix::from_name(create_identifier("table", 7, 0)),
create_identifier("ok", 13, 1)
).with_token(token_at_first_line(12, 13)),
create_identifier("result", 17, 0)
).with_token(token_at_first_line(16, 17))
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_index_expression("return value [ true ] ") => ReturnStatement::one(
IndexExpression::new(
create_identifier("value", 7, 1),
create_true(15, 1)
).with_tokens(IndexExpressionTokens {
opening_bracket: spaced_token(13, 14),
closing_bracket: spaced_token(20, 21),
})
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_true_and_true("return true and true") => ReturnStatement::default()
.with_expression(
BinaryExpression::new(
BinaryOperator::And,
create_true(7, 1),
create_true(16, 0),
).with_token(spaced_token(12, 15))
)
.with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_not_true("return not true") => ReturnStatement::default()
.with_expression(
UnaryExpression::new(
UnaryOperator::Not,
create_true(11, 0),
).with_token(spaced_token(7, 10))
)
.with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_parenthese_expression("return ( true )") => ReturnStatement::default()
.with_expression(
ParentheseExpression::new(create_true(9, 1))
.with_tokens(
ParentheseTokens {
left_parenthese: spaced_token(7, 8),
right_parenthese: token_at_first_line(14, 15),
}
)
)
.with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_type_cast("return var :: T") => ReturnStatement::one(
TypeCastExpression::new(
create_identifier("var", 7, 1),
TypeName::new(create_identifier("T", 14, 0))
).with_token(spaced_token(11, 13))
).with_tokens(ReturnTokens {
r#return: spaced_token(0, 6),
commas: Vec::new(),
}),
return_type_cast_to_intersection_with_right_type_in_parenthese("return var :: nil&(''|true)") => ReturnStatement::one(
TypeCastExpression::new(
create_identifier("var", 7, 1),
IntersectionType::new(
Type::Nil(Some(token_at_first_line(14, 17))),
ParentheseType::new(
UnionType::new(
StringType::from_value("").with_token(token_at_first_line(19, 21)),
Type::True(Some(token_at_first_line(22, 26)))
).with_token(token_at_first_line(21, 22))
)
.with_tokens(ParentheseTypeTokens {
left_parenthese: token_at_first_line(18, 19),
right_parenthese: token_at_first_line(26, 27),
})
).with_token(token_at_first_line(17, 18))
).with_token(spaced_token(11, 13))