X-Git-Url: http://nitlanguage.org

diff --git a/src/frontend/glsl_validation.nit b/src/frontend/glsl_validation.nit
index 5dd6b79..2d61ce0 100644
--- a/src/frontend/glsl_validation.nit
+++ b/src/frontend/glsl_validation.nit
@@ -52,7 +52,7 @@ private class GLSLValidationPhase
 		# Only applicable on strings
 		if not nstring isa AStringFormExpr then
 			toolcontext.error(nstring.location,
-				"Syntax error: only a string literal can be annotated as \"{annot_name}\".")
+				"Syntax Error: only a string literal can be annotated as `{annot_name}`.")
 			return
 		end
 
@@ -62,7 +62,7 @@ private class GLSLValidationPhase
 			if not in_path then return
 		else
 			# Is _glslangValidator_ installed?
-			var proc_which = new IProcess("which", "glslangValidator")
+			var proc_which = new ProcessReader("which", "glslangValidator")
 			proc_which.wait
 			proc_which.close
 			var status = proc_which.status
@@ -70,14 +70,13 @@ private class GLSLValidationPhase
 			tool_is_in_path = in_path
 			if not in_path then
 				toolcontext.warning(nat.location, "glslvalidator",
-					"Warning: program \"glslangValidator\" not in PATH, cannot validate this shader.")
+					"Warning: program `glslangValidator` not in PATH, cannot validate this shader.")
 				return
 			end
 		end
 
 		# Get the shader source
 		var shader = nstring.value
-		assert shader != null
 
 		# Copy the shader to a file
 		# TODO make it more portable
@@ -91,7 +90,7 @@ private class GLSLValidationPhase
 		shader.write_to_file path
 
 		# Execute the validator
-		var proc_validator = new IProcess("glslangValidator", path)
+		var proc_validator = new ProcessReader("glslangValidator", path)
 		proc_validator.wait
 		var lines = proc_validator.read_all.split('\n')
 		proc_validator.close