109 lines
2.5 KiB
Rust
109 lines
2.5 KiB
Rust
use crate::FileId;
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use crate::ast;
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use crate::rules::deprecated_to_path::DeprecatedToPath;
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use crate::rules::empty_inherit::EmptyInherit;
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use crate::rules::empty_let_in::EmptyLetIn;
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use crate::rules::unquoted_uri::UnquotedUri;
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pub mod deprecated_to_path;
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pub mod empty_inherit;
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pub mod empty_let_in;
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pub mod unquoted_uri;
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#[derive(Debug)]
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pub struct Diagnostic {
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pub file_id: FileId,
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pub finding: Finding,
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}
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#[derive(Debug)]
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pub struct Finding {
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pub rule_id: &'static str,
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pub range: ast::SourceRange,
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pub message: &'static str,
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}
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impl std::fmt::Display for Diagnostic {
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fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(
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formatter,
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"{}: {}: {}",
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self.finding.range, self.finding.rule_id, self.finding.message,
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)
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}
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}
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pub trait NodeRule {
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type Node;
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const ID: &'static str;
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fn select(data: &ast::NodeData) -> Option<&Self::Node>;
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fn check(node: &Self::Node) -> Option<&'static str>;
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}
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pub trait TokenRule {
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type Token;
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const ID: &'static str;
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fn select(data: &ast::TokenData) -> Option<&Self::Token>;
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fn check(token: &Self::Token) -> Option<&'static str>;
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}
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pub fn run_rules(file: &ast::ParsedFile) -> Vec<Diagnostic> {
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let node_diagnostics = file.nodes.iter().flat_map(|node| {
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[
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run_node_rule::<DeprecatedToPath>(node),
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run_node_rule::<EmptyInherit>(node),
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run_node_rule::<EmptyLetIn>(node),
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]
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.into_iter()
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.flatten()
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.map(|finding| Diagnostic {
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file_id: file.file_id,
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finding,
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})
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});
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let token_diagnostics = file.tokens.iter().flat_map(|token| {
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[run_token_rule::<UnquotedUri>(token)]
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.into_iter()
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.flatten()
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.map(|finding| Diagnostic {
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file_id: file.file_id,
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finding,
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})
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});
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node_diagnostics.chain(token_diagnostics).collect()
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}
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fn run_node_rule<R>(node: &ast::Node) -> Option<Finding>
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where
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R: NodeRule,
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{
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let typed_node = R::select(&node.data)?;
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let message = R::check(typed_node)?;
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Some(Finding {
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rule_id: R::ID,
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range: node.range,
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message,
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})
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}
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fn run_token_rule<R>(token: &ast::Token) -> Option<Finding>
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where
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R: TokenRule,
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{
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let typed_token = R::select(&token.data)?;
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let message = R::check(typed_token)?;
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Some(Finding {
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rule_id: R::ID,
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range: token.range,
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message,
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})
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}
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