tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression so WFL are…

tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression so WFL are expanded correctly when...

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	* tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
 	so WFL are expanded correctly when contained in a COMPOUND_EXPR.
	* tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
 	lang_flag_0. Added documentation in the flag table.

From-SVN: r21338

gcc/ChangeLog

+Wed Jul 22 12:37:14 1998  Alexandre Petit-Bianco <apbianco@cygnus.com>
+
+	* tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
+ 	so WFL are expanded correctly when contained in a COMPOUND_EXPR.
+	* tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
+ 	lang_flag_0. Added documentation in the flag table.
+
 Tue Jul 21 23:28:35 1998  Klaus Kaempf <kkaempf@rmi.de>
 
 	* cccp.c (do_include): Fix vax c style include handling.

gcc/tree.def

@@ -743,11 +743,12 @@ DEFTREECODE (EXIT_EXPR, "exit_expr", 's', 1)
    The type should be void and the value should be ignored.  */
 DEFTREECODE (LOOP_EXPR, "loop_expr", 's', 1)
 
-/* Used to represent a tree node, such as IDENTIFIER_NODE or an EXPR
-   node, adding several location information: a file name, a line
-   number and column number. It is expanded as the node it refers to
-   and can be considered a no-op "conversion" with an annotation.  */
-DEFTREECODE (EXPR_WITH_FILE_LOCATION, "expr_with_file_location", '1', 2)
+/* Annotates a tree node (usually an expression) with source location
+   information: a file name (EXPR_WFL_FILENAME);  a line number
+   (EXPR_WFL_LINENO); and column number (EXPR_WFL_COLNO).  It is
+   expanded as the contained node (EXPR_WFL_NODE);  a line note should
+   be emitted first if EXPR_WFL_EMIT_LINE_NOTE. */
+DEFTREECODE (EXPR_WITH_FILE_LOCATION, "expr_with_file_location", 'e', 2)
 /*
 Local variables:
 mode:c