glayzzle#36 fix to be compliant with PHP lexer

Author: ichiriac

src/lexer/strings.js

@@ -103,15 +103,19 @@ module.exports = {
     if (ch == '"') {
       return this.tok.T_CONSTANT_ENCAPSED_STRING;
     } else {
+      var prefix = 1;
+      if (this.yytext[0] === 'b' || this.yytext[0] === 'B') {
+        prefix = 2;
+      }
       if (this.yytext.length > 2) {
         this.appendToken(
           this.tok.T_ENCAPSED_AND_WHITESPACE,
-          this.yytext.length - 1
+          this.yytext.length - prefix
         );
       }
-      this.unput(this.yytext.length - 1);
+      this.unput(this.yytext.length - prefix);
       this.begin("ST_DOUBLE_QUOTES");
-      return '"';
+      return this.yytext;
     }
   },
 

src/lexer/tokens.js

@@ -17,6 +17,16 @@ module.exports = {
         }
       } else {
         id = this.tok.T_STRING;
+        if (token === 'b' || token === 'B') {
+          var ch = this.input(1);
+          if (ch === '"') {
+            return this.ST_DOUBLE_QUOTES();
+          } else if (ch === '\'') {
+            return this.T_CONSTANT_ENCAPSED_STRING();
+          } else {
+            this.unput(1);
+          }
+        }
       }
     }
     return id;