abstract_compiler: add some flags to teach clang to be more silent

[nit.git] / src / toolcontext.nit

diff --git a/src/toolcontext.nit b/src/toolcontext.nit
index b2ae21a..5b9d020 100644 (file)
--- a/src/toolcontext.nit
+++ b/src/toolcontext.nit
@@ -134,6 +134,33 @@ class ToolContext
                end
        end
 
+       # Executes a program while checking if it's available and if the execution ended correctly
+       #
+       # Stops execution and prints errors if the program isn't available or didn't end correctly
+       fun exec_and_check(args: Array[String], error: String)
+        do
+                var prog = args.first
+                args.remove_at 0
+
+                # Is the wanted program available?
+                var proc_which = new IProcess.from_a("which", [prog])
+                proc_which.wait
+                var res = proc_which.status
+                if res != 0 then
+                        print "{error}: executable \"{prog}\" not found"
+                        exit 1
+                end
+
+                # Execute the wanted program
+                var proc = new Process.from_a(prog, args)
+                proc.wait
+                res = proc.status
+                if res != 0 then
+                        print "{error}: execution of \"{prog} {args.join(" ")}\" failed"
+                        exit 1
+                end
+        end
+
        # Global OptionContext
        var option_context: OptionContext = new OptionContext