From 55f2117ceb78ac9ceb2ff272da48c0a520745012 Mon Sep 17 00:00:00 2001
From: Sven Verdoolaege <skimo@kotnet.org>
Date: Fri, 11 Nov 2011 12:22:49 +0100
Subject: [PATCH] pet: use isl for argument parsing

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
---
 Makefile.am       |  2 +-
 main.cc => main.c | 33 +++++++++++++++++----------------
 2 files changed, 18 insertions(+), 17 deletions(-)
 rename main.cc => main.c (75%)

diff --git a/Makefile.am b/Makefile.am
index c77394c..0f5f675 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -49,7 +49,7 @@ pet_LDFLAGS = $(AM_LDFLAGS) @LIBYAML_LDFLAGS@
 pet_SOURCES = \
 	emit.c \
 	scop_yaml.h \
-	main.cc
+	main.c
 pet_LDADD = libpet.la \
 	-lclangFrontend -lclangParse -lclangSema -lclangAnalysis \
 	-lclangAST -lclangLex -lclangBasic -lclangDriver -lclangSerialization \
diff --git a/main.cc b/main.c
similarity index 75%
rename from main.cc
rename to main.c
index 8064835..f411d48 100644
--- a/main.cc
+++ b/main.c
@@ -31,35 +31,36 @@
  * Leiden University.
  */ 
 
-#include <string>
-#include <llvm/Support/CommandLine.h>
-
+#include <isl/arg.h>
 #include <isl/ctx.h>
 
 #include "options.h"
 #include "scop.h"
 #include "scop_yaml.h"
 
-using namespace std;
+struct options {
+	struct pet_options	*pet;
+	char			*input;
+};
+
+ISL_ARGS_START(struct options, options_args)
+ISL_ARG_CHILD(struct options, pet, NULL, &pet_options_args, NULL)
+ISL_ARG_ARG(struct options, input, "input", NULL)
+ISL_ARGS_END
 
-static llvm::cl::opt<string> InputFilename(llvm::cl::Positional,
-			llvm::cl::Required, llvm::cl::desc("<input file>"));
-static llvm::cl::opt<bool> AutoDetect("autodetect",
-			llvm::cl::desc("Autodetect scops"));
+ISL_ARG_DEF(options, struct options, options_args)
 
 int main(int argc, char *argv[])
 {
 	isl_ctx *ctx;
-	pet_scop *scop;
-	pet_options *options;
-
-	options = pet_options_new_with_defaults();
-	ctx = isl_ctx_alloc_with_options(&pet_options_args, options);
+	struct pet_scop *scop;
+	struct options *options;
 
-	llvm::cl::ParseCommandLineOptions(argc, argv);
+	options = options_new_with_defaults();
+	ctx = isl_ctx_alloc_with_options(&options_args, options);
+	argc = options_parse(options, argc, argv, ISL_ARG_ALL);
 
-	options->autodetect = AutoDetect;
-	scop = pet_scop_extract_from_C_source(ctx, InputFilename.c_str(), NULL);
+	scop = pet_scop_extract_from_C_source(ctx, options->input, NULL);
 
 	if (scop)
 		pet_scop_emit(stdout, scop);
-- 
2.11.4.GIT