Initialize the Keyword::_lineno field through the constructor.

ChangeLog

@@ -1,3 +1,15 @@
+2017-04-16  Bruno Haible  <bruno@clisp.org>
+
+	Initialize the Keyword::_lineno field through the constructor.
+	* src/keyword.h (struct Keyword, struct KeywordExt): Add lineno argument
+	to constructor.
+	(Keyword_Factory::create_keyword): Add lineno argument.
+	* src/keyword.icc (struct Keyword, struct KeywordExt): Add lineno
+	argument to constructor.
+	* src/main.cc (KeywordExt_Factory::create_keyword): Pass lineno argument
+	to KeywordExt constructor.
+	* src/input.cc (Input::read_input): Pass lineno to create_keyword.
+
 2017-03-31  Bruno Haible  <bruno@clisp.org>
 
 	Fix doc build error with perl 5.22.

src/input.cc

@@ -972,8 +972,7 @@ Input::read_input ()
 
             /* Allocate Keyword and add it to the list.  */
             Keyword *new_kw = _factory->create_keyword (keyword, keyword_length,
-                                                        rest);
+                                                        rest, lineno);
-            new_kw->_lineno = lineno;
             *list_tail = new Keyword_List (new_kw);
             list_tail = &(*list_tail)->rest();
           }

src/keyword.h

@@ -2,7 +2,7 @@
 
 /* Keyword data.
 
-   Copyright (C) 1989-1998, 2000, 2002-2003 Free Software Foundation, Inc.
+   Copyright (C) 1989-1998, 2000, 2002-2003, 2017 Free Software Foundation, Inc.
    Written by Douglas C. Schmidt <schmidt@ics.uci.edu>
    and Bruno Haible <bruno@clisp.org>.
 
@@ -33,7 +33,7 @@ struct Keyword
 {
   /* Constructor.  */
                         Keyword (const char *allchars, int allchars_length,
-                                 const char *rest);
+                                 const char *rest, unsigned int lineno);
 
   /* Data members defined immediately by the input file.  */
   /* The keyword as a string, possibly containing NUL bytes.  */
@@ -51,7 +51,7 @@ struct KeywordExt : public Keyword
 {
   /* Constructor.  */
                         KeywordExt (const char *allchars, int allchars_length,
-                                    const char *rest);
+                                    const char *rest, unsigned int lineno);
 
   /* Data members depending on the keyposition list.  */
   /* The selected characters that participate for the hash function,
@@ -97,7 +97,7 @@ public:
   /* Creates a new Keyword.  */
   virtual /*abstract*/ Keyword *
                         create_keyword (const char *allchars, int allchars_length,
-                                        const char *rest) = 0;
+                                        const char *rest, unsigned int lineno) = 0;
 };
 
 /* A statically allocated empty string.  */

src/keyword.icc

@@ -1,6 +1,6 @@
 /* Inline Functions for keyword.{h,cc}.
 
-   Copyright (C) 1989-1998, 2000, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1989-1998, 2000, 2002, 2017 Free Software Foundation, Inc.
    Written by Douglas C. Schmidt <schmidt@ics.uci.edu>
    and Bruno Haible <bruno@clisp.org>.
 
@@ -23,8 +23,10 @@
 
 /* Constructor.  */
 INLINE
-Keyword::Keyword (const char *allchars, int allchars_length, const char *rest)
+Keyword::Keyword (const char *allchars, int allchars_length,
-  : _allchars (allchars), _allchars_length (allchars_length), _rest (rest)
+                  const char *rest, unsigned int lineno)
+  : _allchars (allchars), _allchars_length (allchars_length),
+    _rest (rest), _lineno (lineno)
 {
 }
 
@@ -33,8 +35,9 @@ Keyword::Keyword (const char *allchars, int allchars_length, const char *rest)
 
 /* Constructor.  */
 INLINE
-KeywordExt::KeywordExt (const char *allchars, int allchars_length, const char *rest)
+KeywordExt::KeywordExt (const char *allchars, int allchars_length,
-  : Keyword (allchars, allchars_length, rest),
+                        const char *rest, unsigned int lineno)
+  : Keyword (allchars, allchars_length, rest, lineno),
     _final_index (-1)
 {
 }

src/main.cc

@@ -1,5 +1,5 @@
 /* Driver program for the hash function generator
-   Copyright (C) 1989-1998, 2000, 2002-2003, 2009 Free Software Foundation, Inc.
+   Copyright (C) 1989-1998, 2000, 2002-2003, 2009, 2017 Free Software Foundation, Inc.
    Written by Douglas C. Schmidt <schmidt@ics.uci.edu>
    and Bruno Haible <bruno@clisp.org>.
 
@@ -34,13 +34,14 @@
 class KeywordExt_Factory : public Keyword_Factory
 {
 virtual Keyword *       create_keyword (const char *allchars, int allchars_length,
-                                        const char *rest);
+                                        const char *rest, unsigned int lineno);
 };
 
 Keyword *
-KeywordExt_Factory::create_keyword (const char *allchars, int allchars_length, const char *rest)
+KeywordExt_Factory::create_keyword (const char *allchars, int allchars_length,
+                                    const char *rest, unsigned int lineno)
 {
-  return new KeywordExt (allchars, allchars_length, rest);
+  return new KeywordExt (allchars, allchars_length, rest, lineno);
 }
 
 /* ------------------------------------------------------------------------- */