Archive Rust bootstrap — El compiler is now self-hosting

2026-04-29 22:21:31 -05:00
parent 9a0747aa13
commit 4f3543b068
139 changed files with 8980 additions and 1778 deletions
@@ -0,0 +1,92 @@
+//! Diagnostic report types for el-lint.
+
+#[derive(Debug, Clone, PartialEq)]
+pub enum LintSeverity {
+    Error,
+    Warning,
+    Info,
+}
+
+#[derive(Debug, Clone)]
+pub struct LintDiagnostic {
+    pub severity: LintSeverity,
+    /// Rule code, e.g. "E001", "W002", "S001", "I001".
+    pub code: String,
+    pub message: String,
+    /// Human-readable location hint, e.g. "function foo" or "file".
+    pub location: String,
+    pub suggestion: Option<String>,
+}
+
+#[derive(Debug)]
+pub struct LintReport {
+    pub diagnostics: Vec<LintDiagnostic>,
+    pub file_path: Option<String>,
+    pub source_lines: usize,
+}
+
+impl LintReport {
+    pub fn has_errors(&self) -> bool {
+        self.diagnostics
+            .iter()
+            .any(|d| d.severity == LintSeverity::Error)
+    }
+
+    pub fn error_count(&self) -> usize {
+        self.diagnostics
+            .iter()
+            .filter(|d| d.severity == LintSeverity::Error)
+            .count()
+    }
+
+    pub fn warning_count(&self) -> usize {
+        self.diagnostics
+            .iter()
+            .filter(|d| d.severity == LintSeverity::Warning)
+            .count()
+    }
+
+    /// Format as human-readable output (similar to rustc error output).
+    pub fn display(&self) -> String {
+        let mut out = String::new();
+        for d in &self.diagnostics {
+            let prefix = match d.severity {
+                LintSeverity::Error => "error",
+                LintSeverity::Warning => "warning",
+                LintSeverity::Info => "info",
+            };
+            out.push_str(&format!("[{}] {}: {}\n", d.code, prefix, d.message));
+            out.push_str(&format!("    --> {}\n", d.location));
+            if let Some(suggestion) = &d.suggestion {
+                out.push_str(&format!("    help: {}\n", suggestion));
+            }
+            out.push('\n');
+        }
+        if self.diagnostics.is_empty() {
+            out.push_str("No issues found.\n");
+        }
+        out
+    }
+
+    /// Format as JSON for editor integration.
+    pub fn to_json(&self) -> String {
+        let items: Vec<serde_json::Value> = self
+            .diagnostics
+            .iter()
+            .map(|d| {
+                serde_json::json!({
+                    "severity": match d.severity {
+                        LintSeverity::Error => "error",
+                        LintSeverity::Warning => "warning",
+                        LintSeverity::Info => "info",
+                    },
+                    "code": d.code,
+                    "message": d.message,
+                    "location": d.location,
+                    "suggestion": d.suggestion,
+                })
+            })
+            .collect();
+        serde_json::to_string_pretty(&items).unwrap()
+    }
+}