vendor sqlite3-parser (lemon-rs)

vendored/sqlite3-parser/examples/sql_check.rs

@@ -0,0 +1,55 @@
+use fallible_iterator::FallibleIterator;
+use std::env;
+use std::fs::read;
+use std::panic;
+
+use sqlite3_parser::lexer::sql::Parser;
+
+/// Parse specified files and check all commands.
+fn main() {
+    env_logger::init();
+    let args = env::args();
+    for arg in args.skip(1) {
+        println!("{arg}");
+        let result = panic::catch_unwind(|| {
+            let input = read(arg.clone()).unwrap();
+            let mut parser = Parser::new(&input);
+            loop {
+                match parser.next() {
+                    Ok(None) => break,
+                    Err(err) => {
+                        eprintln!("Err: {err} in {arg}");
+                        break;
+                    }
+                    Ok(Some(cmd)) => {
+                        let input = cmd.to_string();
+                        let mut checker = Parser::new(input.as_bytes());
+                        match checker.next() {
+                            Err(err) => {
+                                eprintln!(
+                                    "Check Err in {}:{}, {} in\n{}\n{:?}",
+                                    arg,
+                                    parser.line(),
+                                    err,
+                                    input,
+                                    cmd
+                                );
+                            }
+                            Ok(None) => {
+                                eprintln!("Check Err in {}:{}, {:?}", arg, parser.line(), cmd);
+                            }
+                            Ok(Some(check)) => {
+                                if cmd != check {
+                                    eprintln!("{cmd:?}\n<>\n{check:?}");
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        });
+        if let Err(e) = result {
+            eprintln!("Panic: {e:?} in {arg}");
+        }
+    }
+}