use crate::config::ConfigOption;
use crate::linter::{check_regex, SyntaxRule, SyntaxRuleResult};
use regex::Regex;
use sv_parser::{unwrap_node, NodeEvent, RefNode, SyntaxTree};
#[derive(Default)]
pub struct ReRequiredAssert {
re: Option<Regex>,
under_statement: Option<SyntaxRuleResult>,
}
impl SyntaxRule for ReRequiredAssert {
fn check(
&mut self,
syntax_tree: &SyntaxTree,
event: &NodeEvent,
option: &ConfigOption,
) -> SyntaxRuleResult {
if self.re.is_none() {
self.re = Some(Regex::new(&option.re_required_assert).unwrap());
}
let node = match event {
NodeEvent::Enter(x) => {
match x {
RefNode::Statement(x) => {
self.under_statement =
if let (Some(_id), _, _) = &x.nodes {
Some(check_regex(true, unwrap_node!(*x, BlockIdentifier),
&syntax_tree, &self.re.as_ref().unwrap()))
} else {
None };
}
_ => ()
}
x
}
NodeEvent::Leave(x) => {
match x {
RefNode::Statement(_) => {
self.under_statement = None;
}
_ => ()
}
return SyntaxRuleResult::Pass;
}
};
match node {
RefNode::DeferredImmediateAssertionItem(x) => {
if let (Some(_id), _) = &x.nodes {
check_regex(true, unwrap_node!(*x, BlockIdentifier),
&syntax_tree, &self.re.as_ref().unwrap())
} else {
SyntaxRuleResult::Pass }
}
RefNode::SimpleImmediateAssertStatement(_) |
RefNode::DeferredImmediateAssertStatement(_) => {
match self.under_statement {
Some(r) => r,
None => SyntaxRuleResult::Pass,
}
}
_ => SyntaxRuleResult::Pass,
}
}
fn name(&self) -> String {
String::from("re_required_assert")
}
fn hint(&self, option: &ConfigOption) -> String {
String::from(format!(
"Use an immediate assertion identifier matching regex `{}`.",
&option.re_required_assert
))
}
fn reason(&self) -> String {
String::from("Identifiers must conform to the naming scheme.")
}
}