nobu	2015-11-12 14:16:03 +0900 (Thu, 12 Nov 2015)

  New Revision: 52547

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=52547

  Log:
    parse.y: simplify
    
    * parse.y (parser_yylex): reduce RIPPER ifdefs.

  Modified files:
    trunk/parse.y
Index: parse.y
===================================================================
--- parse.y	(revision 52546)
+++ parse.y	(revision 52547)
@@ -5232,6 +5232,8 @@ ripper_yylval_id(ID x) https://github.com/ruby/ruby/blob/trunk/parse.y#L5232
 
 #ifndef RIPPER
 #define ripper_flush(p) (void)(p)
+#define dispatch_scan_event(t) ((void)0)
+#define dispatch_delayed_token(t) ((void)0)
 #else
 #define ripper_flush(p) ((p)->tokp = (p)->lex.pcur)
 
@@ -5274,6 +5276,7 @@ ripper_dispatch_ignored_scan_event(struc https://github.com/ruby/ruby/blob/trunk/parse.y#L5276
     if (!ripper_has_scan_event(parser)) return;
     (void)ripper_scan_event_val(parser, t);
 }
+#define dispatch_scan_event(t) ripper_dispatch_ignored_scan_event(parser, t)
 
 static void
 ripper_dispatch_delayed_token(struct parser_params *parser, int t)
@@ -5288,6 +5291,7 @@ ripper_dispatch_delayed_token(struct par https://github.com/ruby/ruby/blob/trunk/parse.y#L5291
     ruby_sourceline = saved_line;
     parser->tokp = saved_tokp;
 }
+#define dispatch_delayed_token(t) ripper_dispatch_delayed_token(parser, t)
 #endif /* RIPPER */
 
 #include "ruby/regex.h"
@@ -8031,15 +8035,10 @@ parser_yylex(struct parser_params *parse https://github.com/ruby/ruby/blob/trunk/parse.y#L8035
 		space_seen = 1;
 		break;
 	      case '.': {
-#ifdef RIPPER
-		ripper_dispatch_delayed_token(parser, tIGNORED_NL);
-#endif
-		if ((c = nextc()) != '.') {
+		dispatch_delayed_token(tIGNORED_NL);
+		if (!peek('.')) {
 		    pushback(c);
-		    pushback('.');
-#ifdef RIPPER
-		    ripper_dispatch_scan_event(parser, tSP);
-#endif
+		    dispatch_scan_event(tSP);
 		    goto retry;
 		}
 	      }
@@ -8127,35 +8126,29 @@ parser_yylex(struct parser_params *parse https://github.com/ruby/ruby/blob/trunk/parse.y#L8126
 	if (was_bol()) {
 	    /* skip embedded rd document */
 	    if (strncmp(lex_p, "begin", 5) == 0 && ISSPACE(lex_p[5])) {
-#ifdef RIPPER
-                int first_p = TRUE;
+		int first_p = TRUE;
 
-                lex_goto_eol(parser);
-                ripper_dispatch_scan_event(parser, tEMBDOC_BEG);
-#endif
+		lex_goto_eol(parser);
+		dispatch_scan_event(tEMBDOC_BEG);
 		for (;;) {
 		    lex_goto_eol(parser);
-#ifdef RIPPER
-                    if (!first_p) {
-                        ripper_dispatch_scan_event(parser, tEMBDOC);
-                    }
-                    first_p = FALSE;
-#endif
+		    if (!first_p) {
+			dispatch_scan_event(tEMBDOC);
+		    }
+		    first_p = FALSE;
 		    c = nextc();
 		    if (c == -1) {
 			compile_error(PARSER_ARG "embedded document meets end of file");
 			return 0;
 		    }
 		    if (c != '=') continue;
-		    if (strncmp(lex_p, "end", 3) == 0 &&
+		    if (c == '=' && strncmp(lex_p, "end", 3) == 0 &&
 			(lex_p + 3 == lex_pend || ISSPACE(lex_p[3]))) {
 			break;
 		    }
 		}
 		lex_goto_eol(parser);
-#ifdef RIPPER
-                ripper_dispatch_scan_event(parser, tEMBDOC_END);
-#endif
+		dispatch_scan_event(tEMBDOC_END);
 		goto retry;
 	    }
 	}
@@ -8559,9 +8552,7 @@ parser_yylex(struct parser_params *parse https://github.com/ruby/ruby/blob/trunk/parse.y#L8552
 	c = nextc();
 	if (c == '\n') {
 	    space_seen = 1;
-#ifdef RIPPER
-	    ripper_dispatch_scan_event(parser, tSP);
-#endif
+	    dispatch_scan_event(tSP);
 	    goto retry; /* skip \\n */
 	}
 	pushback(c);

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