[gnome-builder] libide: add ide-list-build-flags tool

[Christian Hergert <chergert src gnome org>]

commit 26a700edf173c371fcefa772ee0345e78682e3b4
Author: Christian Hergert <christian hergert me>
Date:   Fri Feb 27 18:51:54 2015 -0800

    libide: add ide-list-build-flags tool
    
    Simple tool for testing the build system abstraction for getting
    compiler flags.

 .gitignore                   |    1 +
 tools/Makefile.am            |    5 ++
 tools/ide-list-build-flags.c |  145 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 151 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 6312945..fdcf05a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,6 +26,7 @@ config.status
 configure
 gnome-builder
 ide-build
+ide-list-build-flags
 ide-list-devices
 ide-list-diagnostics
 ide-list-file-settings
diff --git a/tools/Makefile.am b/tools/Makefile.am
index ead210a..88641bc 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -4,6 +4,11 @@ ide_build_SOURCES = tools/ide-build.c
 ide_build_CFLAGS = $(libide_1_0_la_CFLAGS)
 ide_build_LDADD = libide-1.0.la $(LIBIDE_LIBS)
 
+noinst_PROGRAMS += ide-list-build-flags
+ide_list_build_flags_SOURCES = tools/ide-list-build-flags.c
+ide_list_build_flags_CFLAGS = $(libide_1_0_la_CFLAGS)
+ide_list_build_flags_LDADD = libide-1.0.la $(LIBIDE_LIBS)
+
 noinst_PROGRAMS += ide-list-file-settings
 ide_list_file_settings_SOURCES = tools/ide-list-file-settings.c
 ide_list_file_settings_CFLAGS = $(libide_1_0_la_CFLAGS)
diff --git a/tools/ide-list-build-flags.c b/tools/ide-list-build-flags.c
new file mode 100644
index 0000000..0eb9486
--- /dev/null
+++ b/tools/ide-list-build-flags.c
@@ -0,0 +1,145 @@
+/* ide-list-build-flags.c
+ *
+ * Copyright (C) 2015 Christian Hergert <christian hergert me>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <ide.h>
+#include <stdlib.h>
+
+static GMainLoop *gMainLoop;
+static gint gExitCode = EXIT_SUCCESS;
+static IdeContext *gContext;
+static const gchar *gPath;
+
+static void
+quit (gint exit_code)
+{
+  gExitCode = exit_code;
+  g_clear_object (&gContext);
+  g_main_loop_quit (gMainLoop);
+}
+
+static void
+get_flags_cb (GObject      *object,
+              GAsyncResult *result,
+              gpointer      user_data)
+{
+  IdeBuildSystem *build_system = (IdeBuildSystem *)object;
+  gchar **flags = NULL;
+  g_autoptr(GError) error = NULL;
+  gsize i;
+
+  g_assert (IDE_IS_BUILD_SYSTEM (build_system));
+
+  flags = ide_build_system_get_build_flags_finish (build_system, result, &error);
+
+  if (error)
+    g_printerr ("%s\n", error->message);
+
+  if (flags && flags [0])
+    {
+      g_print ("%s", flags [0]);
+      for (i = 1; flags [i]; i++)
+        g_print ("  %s", flags [i]);
+      g_print ("\n");
+    }
+
+  g_strfreev (flags);
+  quit (EXIT_SUCCESS);
+}
+
+static void
+context_cb (GObject      *object,
+            GAsyncResult *result,
+            gpointer      user_data)
+{
+  g_autoptr(IdeContext) context = NULL;
+  g_autoptr(GError) error = NULL;
+  IdeBuildSystem *build_system;
+  IdeProject *project;
+  g_autoptr(IdeFile) file = NULL;
+
+  context = ide_context_new_finish (result, &error);
+
+  if (!context)
+    {
+      g_printerr ("%s\n", error->message);
+      quit (EXIT_FAILURE);
+      return;
+    }
+
+  gContext = g_object_ref (context);
+
+  build_system = ide_context_get_build_system (context);
+  project = ide_context_get_project (context);
+  file = ide_project_get_file_for_path (project, gPath);
+
+  ide_build_system_get_build_flags_async (build_system, file, NULL, get_flags_cb, NULL);
+}
+
+int
+main (gint   argc,
+      gchar *argv[])
+{
+  g_autoptr(GOptionContext) context = NULL;
+  g_autoptr(GError) error = NULL;
+  g_autoptr(GFile) project_file = NULL;
+  const gchar *project_path = ".";
+
+  ide_set_program_name ("gnome-builder");
+  g_set_prgname ("ide-build");
+
+  context = g_option_context_new (_("- Get build flags for a project file"));
+
+  if (!g_option_context_parse (context, &argc, &argv, &error))
+    {
+      g_printerr ("%s\n", error->message);
+      return EXIT_FAILURE;
+    }
+
+  gMainLoop = g_main_loop_new (NULL, FALSE);
+
+  if (argc > 2)
+    {
+      project_path = argv [1];
+      gPath = argv [2];
+    }
+  else if (argc > 1)
+    {
+      project_path = ".";
+      gPath = argv [1];
+    }
+  else
+    {
+      g_printerr ("usage: %s [configure.ac|PROJECT_FILE] FILE\n", argv [0]);
+      return EXIT_FAILURE;
+    }
+
+  project_file = g_file_new_for_path (project_path);
+
+  ide_context_new_async (project_file, NULL, context_cb, NULL);
+
+  g_main_loop_run (gMainLoop);
+  g_clear_pointer (&gMainLoop, g_main_loop_unref);
+
+  return gExitCode;
+}