[vala/wip/printer: 3/3] WIP AstPrinter

[Rico Tzschichholz <ricotz src gnome org>]

commit 59b27f723462fe3987112e7880cff69900888716
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Apr 9 18:15:58 2020 +0200

    WIP AstPrinter

 configure.ac                |  1 +
 vala/Makefile.am            |  4 +++
 vala/tests/Makefile.am      | 51 ++++++++++++++++++++++++++++++++++
 vala/tests/testprinter.vala | 67 +++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 123 insertions(+)
---
diff --git a/configure.ac b/configure.ac
index d9f6eb06e..6a6e3edc7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -220,6 +220,7 @@ AC_CONFIG_FILES([Makefile
            gee/Makefile
            ccode/Makefile
            vala/Makefile
+           vala/tests/Makefile
            codegen/Makefile
            compiler/Makefile
            vapi/Makefile
diff --git a/vala/Makefile.am b/vala/Makefile.am
index 78e4c9390..27d313b14 100644
--- a/vala/Makefile.am
+++ b/vala/Makefile.am
@@ -2,6 +2,10 @@ include $(top_srcdir)/Makefile.common
 
 NULL =
 
+SUBDIRS = \
+       tests \
+       $(NULL)
+
 AM_CPPFLAGS = \
        -DG_LOG_DOMAIN=\"vala\" \
        $(COVERAGE_CFLAGS) \
diff --git a/vala/tests/Makefile.am b/vala/tests/Makefile.am
new file mode 100644
index 000000000..efb498ecd
--- /dev/null
+++ b/vala/tests/Makefile.am
@@ -0,0 +1,51 @@
+include $(top_srcdir)/Makefile.common
+
+NULL =
+
+AM_CPPFLAGS = \
+       -DG_LOG_DOMAIN=\"printer\" \
+       $(COVERAGE_CFLAGS) \
+       -I$(top_srcdir)/gee \
+       -I$(top_srcdir)/vala \
+       $(GLIB_CFLAGS) \
+       -DPACKAGE_DATADIR=\"$(pkgdatadir)\" \
+       $(NULL)
+
+BUILT_SOURCES = printer.vala.stamp
+
+noinst_PROGRAMS = \
+       printer \
+       $(NULL)
+
+printer_VALASOURCES = \
+       testprinter.vala \
+       $(NULL)
+
+printer_SOURCES = \
+       printer.vala.stamp \
+       $(printer_VALASOURCES:.vala=.c) \
+       $(NULL)
+
+printer.vala.stamp: $(printer_VALASOURCES)
+       $(VALA_V)$(VALAC) \
+               $(COVERAGE_VALAFLAGS) \
+               $(VALAFLAGS) \
+               -C \
+               --vapidir $(top_srcdir)/vapi --pkg gobject-2.0 \
+               --vapidir $(top_srcdir)/gee --pkg gee \
+               --vapidir $(top_srcdir)/vala --pkg vala \
+               --pkg config \
+               $^
+       @touch $@
+
+printer_LDADD = \
+       $(COVERAGE_LIBS) \
+       $(GLIB_LIBS) \
+       $(top_builddir)/vala/libvala@PACKAGE_SUFFIX@.la \
+       $(NULL)
+
+EXTRA_DIST = $(printer_VALASOURCES) printer.vala.stamp
+
+MAINTAINERCLEANFILES = \
+       $(printer_VALASOURCES:.vala=.c) \
+       $(NULL)
diff --git a/vala/tests/testprinter.vala b/vala/tests/testprinter.vala
new file mode 100644
index 000000000..3823a140c
--- /dev/null
+++ b/vala/tests/testprinter.vala
@@ -0,0 +1,67 @@
+/* testprinter.vala
+ *
+ * Copyright (C) 2020  Rico Tzschichholz
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ *
+ * Author:
+ *  Rico Tzschichholz <ricotz ubuntu com>
+ */
+
+[CCode (array_length = false, array_null_terminated = true)]
+static string[] filenames;
+
+const OptionEntry[] options = {
+       { OPTION_REMAINING, 0, 0, OptionArg.FILENAME_ARRAY, ref filenames, "Input source file", "FILE" },
+       { null }
+};
+
+int main (string[] args) {
+       try {
+               var opt_context = new OptionContext ();
+               opt_context.add_main_entries (options, null);
+               opt_context.parse (ref args);
+       } catch (OptionError e) {
+               return 1;
+       }
+
+       if (filenames.length != 1) {
+               return 1;
+       }
+
+       string filename = filenames[0];
+
+       var context = new Vala.CodeContext ();
+       context.set_target_profile (Vala.Profile.GOBJECT);
+       context.keep_going = true;
+
+       Vala.CodeContext.push (context);
+
+       context.add_source_filename (filename);
+
+       var vala_parser = new Vala.Parser ();
+       vala_parser.parse (context);
+       //context.check ();
+
+       unowned Vala.SourceReference src = context.get_source_file (filename).first;
+       while (src != null) {
+               stdout.printf ("%s | %s | %s\n", src.begin.to_string (), src.end.to_string (), 
src.node.type_name);
+               src = src.next;
+       }
+
+       Vala.CodeContext.pop ();
+
+       return 0;
+}