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 ReRequiredAssertProperty {
re: Option<Regex>,
under_statement: Option<SyntaxRuleResult>,
under_concurrent_assertion_item_statement: Option<SyntaxRuleResult>,
}
impl SyntaxRule for ReRequiredAssertProperty {
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_property).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 };
}
RefNode::ConcurrentAssertionItemStatement(x) => {
self.under_concurrent_assertion_item_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;
}
RefNode::ConcurrentAssertionItemStatement(_) => {
self.under_concurrent_assertion_item_statement = None;
}
_ => ()
}
return SyntaxRuleResult::Pass;
}
};
match node {
RefNode::AssertPropertyStatement(_) => {
match (self.under_statement, self.under_concurrent_assertion_item_statement) {
(Some(r), None) => r,
(None, Some(r)) => r,
_ => SyntaxRuleResult::Pass,
}
}
_ => SyntaxRuleResult::Pass,
}
}
fn name(&self) -> String {
String::from("re_required_assert_property")
}
fn hint(&self, option: &ConfigOption) -> String {
String::from(format!(
"Use a concurrent assertion identifier matching regex `{}`.",
&option.re_required_assert_property
))
}
fn reason(&self) -> String {
String::from("Identifiers must conform to the naming scheme.")
}
}