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function.rs
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function.rs
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use crate::nodes::{
Block, FunctionBodyTokens, FunctionReturnType, FunctionVariadicType, GenericParameters,
TypedIdentifier,
};
#[derive(Clone, Debug, Default, PartialEq, Eq)]
pub struct FunctionExpression {
block: Block,
parameters: Vec<TypedIdentifier>,
is_variadic: bool,
variadic_type: Option<FunctionVariadicType>,
return_type: Option<FunctionReturnType>,
generic_parameters: Option<GenericParameters>,
tokens: Option<Box<FunctionBodyTokens>>,
}
impl FunctionExpression {
pub fn new(block: Block, parameters: Vec<TypedIdentifier>, is_variadic: bool) -> Self {
Self {
block,
parameters,
is_variadic,
variadic_type: None,
return_type: None,
generic_parameters: None,
tokens: None,
}
}
pub fn from_block<B: Into<Block>>(block: B) -> Self {
Self {
block: block.into(),
parameters: Vec::new(),
is_variadic: false,
variadic_type: None,
return_type: None,
generic_parameters: None,
tokens: None,
}
}
pub fn with_parameters(mut self, parameters: Vec<TypedIdentifier>) -> Self {
self.parameters = parameters;
self
}
pub fn with_parameter(mut self, parameter: impl Into<TypedIdentifier>) -> Self {
self.parameters.push(parameter.into());
self
}
pub fn with_variadic_type(mut self, r#type: impl Into<FunctionVariadicType>) -> Self {
self.is_variadic = true;
self.variadic_type = Some(r#type.into());
self
}
pub fn with_return_type(mut self, return_type: impl Into<FunctionReturnType>) -> Self {
self.return_type = Some(return_type.into());
self
}
#[inline]
pub fn set_return_type(&mut self, return_type: impl Into<FunctionReturnType>) {
self.return_type = Some(return_type.into());
}
#[inline]
pub fn get_return_type(&self) -> Option<&FunctionReturnType> {
self.return_type.as_ref()
}
#[inline]
pub fn has_return_type(&self) -> bool {
self.return_type.is_some()
}
#[inline]
pub fn mutate_return_type(&mut self) -> Option<&mut FunctionReturnType> {
self.return_type.as_mut()
}
pub fn variadic(mut self) -> Self {
self.is_variadic = true;
self
}
pub fn set_variadic(&mut self, is_variadic: bool) {
self.is_variadic = is_variadic;
if !is_variadic && self.variadic_type.is_some() {
self.variadic_type.take();
}
}
pub fn set_variadic_type(&mut self, r#type: impl Into<FunctionVariadicType>) {
self.is_variadic = true;
self.variadic_type = Some(r#type.into());
}
#[inline]
pub fn get_variadic_type(&self) -> Option<&FunctionVariadicType> {
self.variadic_type.as_ref()
}
#[inline]
pub fn has_variadic_type(&self) -> bool {
self.variadic_type.is_some()
}
#[inline]
pub fn mutate_variadic_type(&mut self) -> Option<&mut FunctionVariadicType> {
self.variadic_type.as_mut()
}
pub fn with_generic_parameters(mut self, generic_parameters: GenericParameters) -> Self {
self.generic_parameters = Some(generic_parameters);
self
}
#[inline]
pub fn set_generic_parameters(&mut self, generic_parameters: GenericParameters) {
self.generic_parameters = Some(generic_parameters);
}
#[inline]
pub fn get_generic_parameters(&self) -> Option<&GenericParameters> {
self.generic_parameters.as_ref()
}
#[inline]
pub fn is_generic(&self) -> bool {
self.generic_parameters.is_some()
}
pub fn with_tokens(mut self, tokens: FunctionBodyTokens) -> Self {
self.tokens = Some(tokens.into());
self
}
#[inline]
pub fn set_tokens(&mut self, tokens: FunctionBodyTokens) {
self.tokens = Some(tokens.into());
}
#[inline]
pub fn get_tokens(&self) -> Option<&FunctionBodyTokens> {
self.tokens.as_ref().map(|tokens| tokens.as_ref())
}
#[inline]
pub fn get_block(&self) -> &Block {
&self.block
}
#[inline]
pub fn get_parameters(&self) -> &Vec<TypedIdentifier> {
&self.parameters
}
#[inline]
pub fn iter_parameters(&self) -> impl Iterator<Item = &TypedIdentifier> {
self.parameters.iter()
}
#[inline]
pub fn iter_mut_parameters(&mut self) -> impl Iterator<Item = &mut TypedIdentifier> {
self.parameters.iter_mut()
}
#[inline]
pub fn is_variadic(&self) -> bool {
self.is_variadic
}
#[inline]
pub fn mutate_block(&mut self) -> &mut Block {
&mut self.block
}
#[inline]
pub fn mutate_parameters(&mut self) -> &mut Vec<TypedIdentifier> {
&mut self.parameters
}
#[inline]
pub fn parameters_count(&self) -> usize {
self.parameters.len()
}
#[inline]
pub fn has_parameters(&self) -> bool {
!self.parameters.is_empty()
}
pub fn clear_types(&mut self) {
self.return_type.take();
self.variadic_type.take();
self.generic_parameters.take();
for parameter in &mut self.parameters {
parameter.remove_type();
}
if let Some(tokens) = &mut self.tokens {
tokens.variable_arguments_colon.take();
}
}
pub fn clear_comments(&mut self) {
self.parameters
.iter_mut()
.for_each(TypedIdentifier::clear_comments);
if let Some(generics) = &mut self.generic_parameters {
generics.clear_comments();
}
if let Some(tokens) = &mut self.tokens {
tokens.clear_comments();
}
}
pub fn clear_whitespaces(&mut self) {
self.parameters
.iter_mut()
.for_each(TypedIdentifier::clear_whitespaces);
if let Some(generics) = &mut self.generic_parameters {
generics.clear_whitespaces();
}
if let Some(tokens) = &mut self.tokens {
tokens.clear_whitespaces();
}
}
pub(crate) fn replace_referenced_tokens(&mut self, code: &str) {
for parameter in self.parameters.iter_mut() {
parameter.replace_referenced_tokens(code);
}
if let Some(generics) = &mut self.generic_parameters {
generics.replace_referenced_tokens(code);
}
if let Some(tokens) = &mut self.tokens {
tokens.replace_referenced_tokens(code);
}
}
pub(crate) fn shift_token_line(&mut self, amount: usize) {
for parameter in self.parameters.iter_mut() {
parameter.shift_token_line(amount);
}
if let Some(generics) = &mut self.generic_parameters {
generics.shift_token_line(amount);
}
if let Some(tokens) = &mut self.tokens {
tokens.shift_token_line(amount);
}
}
}