[vala] valac: Add --disable-warnings command-line option

[Jürg Billeter <juergbi src gnome org>]

commit ffe25d65b4ac1ee955807fa1c1f395796feb34a9
Author: Jürg Billeter <j bitron ch>
Date:   Sat Sep 26 14:32:50 2009 +0200

    valac: Add --disable-warnings command-line option

 compiler/valacompiler.vala |    3 +++
 vala/valareport.vala       |    6 ++++++
 2 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/compiler/valacompiler.vala b/compiler/valacompiler.vala
index 3d71084..2b32f9d 100644
--- a/compiler/valacompiler.vala
+++ b/compiler/valacompiler.vala
@@ -56,6 +56,7 @@ class Vala.Compiler {
 	static bool experimental;
 	static bool non_null_experimental;
 	static bool disable_dbus_transformation;
+	static bool disable_warnings;
 	static string cc_command;
 	[CCode (array_length = false, array_null_terminated = true)]
 	[NoArrayLength]
@@ -97,6 +98,7 @@ class Vala.Compiler {
 		{ "enable-checking", 0, 0, OptionArg.NONE, ref enable_checking, "Enable additional run-time checks", null },
 		{ "enable-deprecated", 0, 0, OptionArg.NONE, ref deprecated, "Enable deprecated features", null },
 		{ "enable-experimental", 0, 0, OptionArg.NONE, ref experimental, "Enable experimental features", null },
+		{ "disable-warnings", 0, 0, OptionArg.NONE, ref disable_warnings, "Disable warnings", null },
 		{ "enable-non-null-experimental", 0, 0, OptionArg.NONE, ref non_null_experimental, "Enable experimental enhancements for non-null types", null },
 		{ "disable-dbus-transformation", 0, 0, OptionArg.NONE, ref disable_dbus_transformation, "Disable transformation of D-Bus member names", null },
 		{ "cc", 0, 0, OptionArg.STRING, ref cc_command, "Use COMMAND as C compiler command", "COMMAND" },
@@ -186,6 +188,7 @@ class Vala.Compiler {
 		context.experimental = experimental;
 		context.non_null_experimental = non_null_experimental;
 		context.dbus_transformation = !disable_dbus_transformation;
+		context.report.enable_warnings = !disable_warnings;
 		context.report.set_verbose_errors (!quiet_mode);
 		context.verbose_mode = verbose_mode;
 
diff --git a/vala/valareport.vala b/vala/valareport.vala
index 0e839a3..22d689d 100644
--- a/vala/valareport.vala
+++ b/vala/valareport.vala
@@ -31,6 +31,8 @@ public class Vala.Report : Object {
 
 	bool verbose_errors;
 
+	public bool enable_warnings { get; set; default = true; }
+
 	/**
 	 * Set the error verbosity.
 	 */
@@ -97,6 +99,10 @@ public class Vala.Report : Object {
 	 * @param message warning message
 	 */
 	public virtual void warn (SourceReference? source, string message) {
+		if (!enable_warnings) {
+			return;
+		}
+
 		warnings++;
 		if (source == null) {
 			stderr.printf ("warning: %s\n", message);