X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=tools%2Fglslcompiler.cpp;fp=tools%2Fglslcompiler.cpp;h=4a166ba6d640d0fad01eb8b51c6eff19b2e12a57;hp=b7b8097e88768a3d77ca12723fe83ef3e1fd069d;hb=8c4d64c71df5c4dcab1838d81412d7a7244ada58;hpb=22d5405729048ee2677a1e45e309e6328de64a26

diff --git a/tools/glslcompiler.cpp b/tools/glslcompiler.cpp
index b7b8097e..4a166ba6 100644
--- a/tools/glslcompiler.cpp
+++ b/tools/glslcompiler.cpp
@@ -36,12 +36,19 @@ GlslCompiler::GlslCompiler(int argc, char **argv):
 	GetOpt getopt;
 	getopt.add_option('c', "combined", combined, GetOpt::NO_ARG).set_help("Output combined GLSL");
 	getopt.add_option('a', "dump-ast", dump_ast, GetOpt::NO_ARG).set_help("Dump AST for debugging");
-	getopt.add_option('p', "parse_only", parse_only, GetOpt::NO_ARG).set_help("Only parse the loaded source, don't compile");
+	getopt.add_option('p', "parse_only", parse_only, GetOpt::NO_ARG).set_help("Only parse the loaded source (implies -a)");
 	getopt.add_option('e', "specialize", spec_values_in, GetOpt::REQUIRED_ARG).set_help("Set specialization constant", "NAME:VALUE");
 	getopt.add_option('s', "stage", stage_str, GetOpt::REQUIRED_ARG).set_help("Output GLSL for STAGE", "STAGE");
 	getopt.add_argument("source", source_fn, GetOpt::REQUIRED_ARG).set_help("GLSL file to compile");
 	getopt(argc, argv);
 
+	if(parse_only)
+	{
+		if(!stage_str.empty())
+			throw usage_error("-s can't be used with -p");
+		dump_ast = true;
+	}
+
 	if(stage_str=="vertex")
 		stage = GL::SL::Stage::VERTEX;
 	else if(stage_str=="geometry")