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use serde::ser::Serializer;
use serde::Serialize;
use std::fmt;
use crate::checker::Checker;
use crate::*;
#[derive(Debug, Clone)]
pub struct Stats {
n_args: usize,
}
impl Default for Stats {
fn default() -> Self {
Self { n_args: 0 }
}
}
impl Serialize for Stats {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
serializer.serialize_f64(self.n_args())
}
}
impl fmt::Display for Stats {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", self.n_args)
}
}
impl Stats {
#[doc(hidden)]
pub fn merge(&mut self, _other: &Stats) {}
pub fn n_args(&self) -> f64 {
self.n_args as f64
}
}
#[doc(hidden)]
pub trait NArgs
where
Self: Checker,
{
fn compute(node: &Node, stats: &mut Stats) {
if !Self::is_func(node) {
return;
}
if let Some(params) = node.object().child_by_field_name("parameters") {
let node_params = Node::new(params);
node_params.act_on_child(&mut |n| {
if !Self::is_non_arg(n) {
stats.n_args += 1;
}
});
}
}
}
impl NArgs for CppCode {
fn compute(node: &Node, stats: &mut Stats) {
if !Self::is_func(node) {
return;
}
if let Some(declarator) = node.object().child_by_field_name("declarator") {
if let Some(params) = declarator.child_by_field_name("parameters") {
let node_params = Node::new(params);
node_params.act_on_child(&mut |n| {
if !Self::is_non_arg(n) {
stats.n_args += 1;
}
});
}
}
}
}
impl NArgs for PythonCode {}
impl NArgs for MozjsCode {}
impl NArgs for JavascriptCode {}
impl NArgs for TypescriptCode {}
impl NArgs for TsxCode {}
impl NArgs for RustCode {}
impl NArgs for PreprocCode {}
impl NArgs for CcommentCode {}
impl NArgs for CSharpCode {}
impl NArgs for JavaCode {}
impl NArgs for GoCode {}
impl NArgs for CssCode {}
impl NArgs for HtmlCode {}