Validate string literals

crates/ra_syntax/src/validation/mod.rs

@@ -0,0 +1,20 @@
+use crate::{
+    algo::visit::{visitor_ctx, VisitorCtx},
+    ast,
+    SourceFileNode,
+    yellow::SyntaxError,
+};
+
+mod char;
+mod string;
+
+pub(crate) fn validate(file: &SourceFileNode) -> Vec<SyntaxError> {
+    let mut errors = Vec::new();
+    for node in file.syntax().descendants() {
+        let _ = visitor_ctx(&mut errors)
+            .visit::<ast::Char, _>(self::char::validate_char_node)
+            .visit::<ast::String, _>(self::string::validate_string_node)
+            .accept(node);
+    }
+    errors
+}