Horrific fix for global and ivar characters which are not interpolato…

…rs fix. Cleanup next fix
jruby · Oct 29, 2014 · c11cb6e · c11cb6e
1 parent ce10121
commit c11cb6e
Showing 2 changed files with 67 additions and 6 deletions.
diff --git a/core/src/main/java/org/jruby/lexer/yacc/RubyLexer.java b/core/src/main/java/org/jruby/lexer/yacc/RubyLexer.java
@@ -1637,7 +1637,20 @@ private int dollar() throws IOException {
             return identifierToken(Tokens.tGVAR, tokenBuffer.toString().intern());
         }
     }
-
+
+    // FIXME: I added number gvars here and they did not.
+    public boolean isGlobalCharPunct(int c) {
+        switch (c) {
+            case '_': case '~': case '*': case '$': case '?': case '!': case '@':
+            case '/': case '\\': case ';': case ',': case '.': case '=': case ':':
+            case '<': case '>': case '\"': case '-': case '&': case '`': case '\'':
+            case '+': case '1': case '2': case '3': case '4': case '5': case '6':
+            case '7': case '8': case '9': case '0':
+                return true;
+        }
+        return isIdentifierChar(c);
+    }
+
     private int dot() throws IOException {
         int c;
 

diff --git a/core/src/main/java/org/jruby/lexer/yacc/StringTerm.java b/core/src/main/java/org/jruby/lexer/yacc/StringTerm.java
@@ -109,11 +109,59 @@ public int parseString(RubyLexer lexer, LexerSource src) throws IOException {
         if ((flags & RubyLexer.STR_FUNC_EXPAND) != 0 && c == '#') {
             c = src.read();
             switch (c) {
-            case '$':
-            case '@':
-                src.unread(c);
-                lexer.setValue("#" + c);
-                return Tokens.tSTRING_DVAR;
+            case '$': {
+                int c2 = src.read();
+
+                if (c2 == '-') {
+                    int c3 = src.read();
+
+                    if (c3 == RubyLexer.EOF) return RubyLexer.EOF;
+
+                    if (Character.isAlphabetic(c3) || c3 == '_') {
+                        src.unread(c3);
+                        src.unread(c2);
+                        src.unread(c);
+                        lexer.setValue("#" + c2);
+                        return Tokens.tSTRING_DVAR;
+                    }
+                } else if (lexer.isGlobalCharPunct(c2)) {
+                    lexer.setValue("#" + c2);
+                    src.unread(c2);
+                    src.unread(c);
+                    return Tokens.tSTRING_DVAR;
+                } if (Character.isAlphabetic(c2) || c2 == '_') {
+                    src.unread(c2);
+                    src.unread(c);
+                    lexer.setValue("#" + c2);
+                    return Tokens.tSTRING_DVAR;
+                }
+                break;
+            }
+            case '@': {
+                int c2 = src.read();
+
+                if (c2 == '@') {
+                    int c3 = src.read();
+
+                    if (c3 == RubyLexer.EOF) return RubyLexer.EOF;
+
+                    lexer.setValue("#" + c2);
+                    src.unread(c3);
+                    src.unread(c2);
+                    src.unread(c);
+
+                    return Tokens.tSTRING_DVAR;
+                }
+
+                if (Character.isAlphabetic(c2) || c2 == '_') {
+                    src.unread(c2);
+                    src.unread(c);
+                    lexer.setValue("#" + c2);
+                    return Tokens.tSTRING_DVAR;
+                }
+                break;
+
+            }
             case '{':
                 lexer.setValue("#" + c);
                 return Tokens.tSTRING_DBEG;