Fix upper logic to respect PS escape characters

Author: vors

tests/py/syntax_def/test_token_gen.py

@@ -25,9 +25,19 @@ def testGetLowerTokens(self):
         self.writeTokensToFile(self.getTokens(), "test-file.ps1.lower.tokens")
 
     def testGetUpperTokens(self):
+        
+        def escaped_upper(i, line):
+            should = not (i > 0 and line[i-1] == '`')
+            if (should):
+                return line[i].upper()
+            else:
+                return line[i]
+
         with open(self.test_path) as f:
             content = f.readlines()
             for line in content:
-                self.append(line.upper())
+                # escaped chars (like `n) are case-sensitive, don't upper them
+                line_up = ''.join([escaped_upper(i, line) for i in range(len(line))])
+                self.append(line_up)
         self.writeTokensToFile(self.getTokens(), "test-file.ps1.upper.tokens")
 

tests/samples/test-file.ps1

@@ -98,7 +98,7 @@ string.'
 'This is a string.'
 
 # Escaped characters should be highlighted
-"Escaped chars: `", `n, `$, `b, `""
+"Escaped chars: `", `n, `$, `b, `t, `""
 
 # Including '' in a 'single quoted string'
 'But here they''re not escape chars: `", `n, `$, `b, `"'