lib/parser/ruby23.y in parser-2.4.0.0 vs lib/parser/ruby23.y in parser-2.4.0.1

@@ -5,11 +5,11 @@
       kREDO kRETRY kIN kDO kDO_COND kDO_BLOCK kDO_LAMBDA kRETURN kYIELD kSUPER
       kSELF kNIL kTRUE kFALSE kAND kOR kNOT kIF_MOD kUNLESS_MOD kWHILE_MOD
       kUNTIL_MOD kRESCUE_MOD kALIAS kDEFINED klBEGIN klEND k__LINE__
       k__FILE__ k__ENCODING__ tIDENTIFIER tFID tGVAR tIVAR tCONSTANT
       tLABEL tCVAR tNTH_REF tBACK_REF tSTRING_CONTENT tINTEGER tFLOAT
-      tUPLUS tUMINUS tUMINUS_NUM tPOW tCMP tEQ tEQQ tNEQ
+      tUPLUS tUMINUS tUNARY_NUM tPOW tCMP tEQ tEQQ tNEQ
       tGEQ tLEQ tANDOP tOROP tMATCH tNMATCH tDOT tDOT2 tDOT3 tAREF
       tASET tLSHFT tRSHFT tCOLON2 tCOLON3 tOP_ASGN tASSOC tLPAREN
       tLPAREN2 tRPAREN tLPAREN_ARG tLBRACK tLBRACK2 tRBRACK tLBRACE
       tLBRACE_ARG tSTAR tSTAR2 tAMPER tAMPER2 tTILDE tPERCENT tDIVIDE
       tDSTAR tPLUS tMINUS tLT tGT tPIPE tBANG tCARET tLCURLY tRCURLY
@@ -20,11 +20,11 @@
       tRATIONAL tIMAGINARY tLABEL_END tANDDOT
 
 prechigh
   right    tBANG tTILDE tUPLUS
   right    tPOW
-  right    tUMINUS_NUM tUMINUS
+  right    tUNARY_NUM tUMINUS
   left     tSTAR2 tDIVIDE tPERCENT
   left     tPLUS tMINUS
   left     tLSHFT tRSHFT
   left     tAMPER2
   left     tPIPE tCARET
@@ -687,11 +687,11 @@
                     }
                 | arg tPOW arg
                     {
                       result = @builder.binary_op(val[0], val[1], val[2])
                     }
-                | tUMINUS_NUM simple_numeric tPOW arg
+                | tUNARY_NUM simple_numeric tPOW arg
                     {
                       result = @builder.unary_op(val[0],
                                   @builder.binary_op(
                                     val[1], val[2], val[3]))
                     }
@@ -1845,12 +1845,17 @@
 
          numeric: simple_numeric
                     {
                       result = val[0]
                     }
-                | tUMINUS_NUM simple_numeric =tLOWEST
+                | tUNARY_NUM simple_numeric =tLOWEST
                     {
-                      result = @builder.negate(val[0], val[1])
+                      if @builder.respond_to? :negate
+                        # AST builder interface compatibility
+                        result = @builder.negate(val[0], val[1])
+                      else
+                        result = @builder.unary_num(val[0], val[1])
+                      end
                     }
 
   simple_numeric: tINTEGER
                     {
                       result = @builder.integer(val[0])