support double quote as quoted_name; add 60 layouts example

Author: Arcelyth

layouts/60.tvkl

@@ -0,0 +1,5 @@
+:| Esc [$4] | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | '-' | '=' | Back [$8] |-
+:| Tab [$6] | Q | W | E | R | T | Y | U | I | O | P | '[' | ']' | '\' [$6] |-
+:| Caps [$7] | A | S | D | F | G | H | J | K | L | ';' | "'" | Enter [$9] |-
+:| LShift [$9] | Z | X | C | V | B | N | M | ',' | '.' | '/' | RShift [$11] |-
+:| LCtrl [$5] | Win [$5] | LAlt [$5] | Space [$25] | RAlt [$5] | Win [$5] | App [$5] | RCtrl [$5] |-

src/lexer.rs

@@ -68,8 +68,8 @@ impl<'a> Lexer<'a> {
                 self.src.next();
                 Some(Token { token_type: TokenType::RBrace, value: "}".to_string() })
             }
-            '\'' => {
-                Some(self.collect_quoted_name())
+            '\'' | '\"' => {
+                Some(self.collect_quoted_name(c))
             }
             _ => {
                 Some(self.collect_plain_name())
@@ -87,12 +87,12 @@ impl<'a> Lexer<'a> {
         }
     }
 
-    fn collect_quoted_name(&mut self) -> Token {
+    fn collect_quoted_name(&mut self, quote: char) -> Token {
         self.src.next(); 
         let mut value = String::new();
 
         while let Some(&c) = self.src.peek() {
-            if c == '\'' {
+            if c == quote {
                 self.src.next(); 
                 break;
             }

src/parser.rs

@@ -22,7 +22,7 @@ impl Parser {
         if self.current < self.tokens.len() {
             Ok(&self.tokens[self.current])
         } else {
-            Err(ParserError::Err("a".to_string()))
+            Err(ParserError::Err("EOF".to_string()))
         }
     }
 
@@ -31,7 +31,7 @@ impl Parser {
             self.current += 1;
             Ok(&self.tokens[self.current - 1])
         } else {
-            Err(ParserError::Err("a".to_string()))
+            Err(ParserError::Err("EOF".to_string()))
         }
     }