Fix octal numbers with leading 0 lexing

elia · elia · commit d3c5dc06624e · 2014-09-06T01:47:33.000+02:00
fixes #581
diff --git a/lib/opal/parser/lexer.rb b/lib/opal/parser/lexer.rb
@@ -176,10 +176,10 @@ def new_op_asgn(value)
     def process_numeric
       @lex_state = :expr_end
 
-      if scan(/0b?(0|1|_)+/)
+      if scan(/0[bB](0|1|_)+/)
         self.yylval = scanner.matched.to_i(2)
         return :tINTEGER
-      elsif scan(/0o?([0-7]|_)+/)
+      elsif scan(/0[oO]?([0-7]|_)+/)
         self.yylval = scanner.matched.to_i(8)
         return :tINTEGER
       elsif scan(/[\d_]+\.[\d_]+\b|[\d_]+(\.[\d_]+)?[eE][-+]?[\d_]+\b/)
@@ -188,7 +188,7 @@ def process_numeric
       elsif scan(/[\d_]+\b/)
         self.yylval = scanner.matched.gsub(/_/, '').to_i
         return :tINTEGER
-      elsif scan(/0(x|X)(\d|[a-f]|[A-F]|_)+/)
+      elsif scan(/0[xX](\d|[a-f]|[A-F]|_)+/)
         self.yylval = scanner.matched.to_i(16)
         return :tINTEGER
       else
diff --git a/spec/opal/core/language/numbers_spec.rb b/spec/opal/core/language/numbers_spec.rb
diff --git a/spec/rubyspecs b/spec/rubyspecs
@@ -228,7 +228,7 @@ corelib/language/metaclass_spec
 corelib/language/module_spec
 # corelib/language/next_spec - can't parse break expr with block
 corelib/language/not_spec
-# corelib/language/numbers_spec - can't parse numbers using control characters
+corelib/language/numbers_spec
 corelib/language/or_spec
 corelib/language/order_spec
 corelib/language/precedence_spec
