Changeset 0a2168f for src/Parser/lex.ll

Timestamp:

Mar 4, 2018, 10:32:08 AM (5 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

aaron-thesis, arm-eh, cleanup-dtors, deferred_resn, demangler, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, with_gc

Children:

ea46db7

Parents:

82c367d

Message:

add gcc binary constants

File:

• src/Parser/lex.ll (modified) (4 diffs)

src/Parser/lex.ll

@@ -10 +10 @@
  * Created On       : Sat Sep 22 08:58:10 2001
  * Last Modified By : Peter A. Buhr
- * Last Modified On : Thu Feb 22 18:11:27 2018
- * Update Count     : 637
+ * Last Modified On : Sat Mar  3 18:38:16 2018
+ * Update Count     : 640
  */
 
@@ -77 +77 @@
 %}
 
+binary [0-1]
 octal [0-7]
 nonzero [1-9]
@@ -103 +104 @@
 nonzero_digits ({nonzero})|({nonzero}({decimal}|"_")*{decimal})
 decimal_constant {nonzero_digits}{integer_suffix_opt}
+
+binary_digits ({binary})|({binary}({binary}|"_")*{binary})
+binary_prefix "0"[bB]"_"?
+binary_constant {binary_prefix}{binary_digits}{integer_suffix_opt}
 
 hex_digits ({hex})|({hex}({hex}|"_")*{hex})
@@ -315 +320 @@
 
                                 /* numeric constants */
+{binary_constant} { NUMERIC_RETURN(INTEGERconstant); }
+{octal_constant} { NUMERIC_RETURN(INTEGERconstant); }
 {decimal_constant} { NUMERIC_RETURN(INTEGERconstant); }
-{octal_constant} { NUMERIC_RETURN(INTEGERconstant); }
 {hex_constant}  { NUMERIC_RETURN(INTEGERconstant); }
 {floating_decimal}      { NUMERIC_RETURN(FLOATING_DECIMALconstant); } // must appear before floating_constant