[gtksourceview] Drop gtksourcelanguage-parser-1.c

[Sébastien Wilmet <swilmet src gnome org>]

commit c9cd8aa9c45cf2a6faf07fcdddd2e9ee0728a829
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Nov 5 17:17:45 2016 +0100

    Drop gtksourcelanguage-parser-1.c
    
    The version 2 exists since a long time.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=767566

 gtksourceview/Makefile.am                  |    1 -
 gtksourceview/gtksourcelanguage-parser-1.c |  794 ----------------------------
 gtksourceview/gtksourcelanguage-private.h  |    4 -
 gtksourceview/gtksourcelanguage.c          |    5 +-
 4 files changed, 4 insertions(+), 800 deletions(-)
---
diff --git a/gtksourceview/Makefile.am b/gtksourceview/Makefile.am
index 8c4740b..886c94d 100644
--- a/gtksourceview/Makefile.am
+++ b/gtksourceview/Makefile.am
@@ -135,7 +135,6 @@ libgtksourceview_private_c_files =  \
        gtksourcegutterrendererlines.c  \
        gtksourcegutterrenderermarks.c  \
        gtksourceiter.c                 \
-       gtksourcelanguage-parser-1.c    \
        gtksourcelanguage-parser-2.c    \
        gtksourcemarkssequence.c        \
        gtksourcepixbufhelper.c         \
diff --git a/gtksourceview/gtksourcelanguage-private.h b/gtksourceview/gtksourcelanguage-private.h
index d013eb4..f5e55cb 100644
--- a/gtksourceview/gtksourcelanguage-private.h
+++ b/gtksourceview/gtksourcelanguage-private.h
@@ -81,10 +81,6 @@ G_GNUC_INTERNAL
 void                     _gtk_source_language_define_language_styles   (GtkSourceLanguage        *language);
 
 G_GNUC_INTERNAL
-gboolean                 _gtk_source_language_file_parse_version1      (GtkSourceLanguage        *language,
-                                                                        GtkSourceContextData     *ctx_data);
-
-G_GNUC_INTERNAL
 gboolean                 _gtk_source_language_file_parse_version2      (GtkSourceLanguage        *language,
                                                                         GtkSourceContextData     *ctx_data);
 
diff --git a/gtksourceview/gtksourcelanguage.c b/gtksourceview/gtksourcelanguage.c
index 2497910..18609ad 100644
--- a/gtksourceview/gtksourcelanguage.c
+++ b/gtksourceview/gtksourcelanguage.c
@@ -720,7 +720,10 @@ gtk_source_language_parse_file (GtkSourceLanguage *language)
                        switch (language->priv->version)
                        {
                                case GTK_SOURCE_LANGUAGE_VERSION_1_0:
-                                       success = _gtk_source_language_file_parse_version1 (language, 
ctx_data);
+                                       g_warning ("The language definition format version 1 "
+                                                  "(for syntax highlighting) is no longer "
+                                                  "supported by GtkSourceView >= 4.0. "
+                                                  "Please use version 2.");
                                        break;
 
                                case GTK_SOURCE_LANGUAGE_VERSION_2_0: