From 66594db15d1bfcb8a02d3bad841fad1e29f03ecb Mon Sep 17 00:00:00 2001
From: randomdan <randomdan@localhost>
Date: Tue, 3 Jun 2014 16:16:41 +0000
Subject: Update tests to perform an end-to-end (albeit non-validating) slice,
 slicer, compile, link, load and run

---
 slicer/slicer/parser.cpp   | 15 ++++++++----
 slicer/slicer/parser.h     |  4 ++--
 slicer/test/Jamfile.jam    | 58 +++++++++++++++++++++++++++++++++++++++++++++-
 slicer/test/do-slicer.cpp  | 52 +++++++++++++++++++++++++++++++++++++++--
 slicer/test/helpers.cpp    | 32 +++++++++++++++++++++++++
 slicer/test/helpers.h      | 18 ++++++++++++++
 slicer/test/run-slicer.cpp | 34 +++++++++++++++++++++++++++
 slicer/test/types.ice      |  4 ----
 8 files changed, 203 insertions(+), 14 deletions(-)
 create mode 100644 slicer/test/helpers.cpp
 create mode 100644 slicer/test/helpers.h
 create mode 100644 slicer/test/run-slicer.cpp

diff --git a/slicer/slicer/parser.cpp b/slicer/slicer/parser.cpp
index a67f483..fd1d9b1 100644
--- a/slicer/slicer/parser.cpp
+++ b/slicer/slicer/parser.cpp
@@ -5,6 +5,9 @@
 #include <boost/algorithm/string/predicate.hpp>
 #include <Slice/CPlusPlusUtil.h>
 #include <boost/shared_ptr.hpp>
+#include <boost/filesystem/convenience.hpp>
+
+namespace fs = boost::filesystem;
 
 namespace Slicer {
 	Slicer::Slicer(FILE * c) :
@@ -12,16 +15,20 @@ namespace Slicer {
 	{
 	}
 
-	void
-	Slicer::leadIn()
+	bool
+	Slicer::visitUnitStart(const Slice::UnitPtr & u)
 	{
+		fs::path topLevelFile(u->topLevelFile());
+
 		fprintf(cpp, "// Begin Slicer code\n\n");
+		fprintf(cpp, "#include <%s>\n\n", fs::change_extension(topLevelFile.filename(), ".h").string().c_str());
 		fprintf(cpp, "#include <slicer/modelParts.h>\n\n");
 		fprintf(cpp, "namespace Slicer {\n");
+		return true;
 	}
 
 	void
-	Slicer::leadOut()
+	Slicer::visitUnitEnd(const Slice::UnitPtr&)
 	{
 		fprintf(cpp, "}\n\n");
 		fprintf(cpp, "// End Slicer code\n\n");
@@ -258,9 +265,7 @@ namespace Slicer {
 		}
 
 		Slicer s(cppfile.get());
-		s.leadIn();
 		u->visit(&s, false);
-		s.leadOut();
 
 		u->destroy();
 	}
diff --git a/slicer/slicer/parser.h b/slicer/slicer/parser.h
index c660cc6..90aa05a 100644
--- a/slicer/slicer/parser.h
+++ b/slicer/slicer/parser.h
@@ -14,9 +14,9 @@ namespace Slicer {
 
 			static void Apply(const boost::filesystem::path & ice, const boost::filesystem::path & cpp);
 
-			void leadIn();
+			virtual bool visitUnitStart(const Slice::UnitPtr&) override;
 
-			void leadOut();
+			virtual void visitUnitEnd(const Slice::UnitPtr&) override;
 
 			virtual bool visitModuleStart(const Slice::ModulePtr & m) override;
 
diff --git a/slicer/test/Jamfile.jam b/slicer/test/Jamfile.jam
index b4e05b3..88c981f 100644
--- a/slicer/test/Jamfile.jam
+++ b/slicer/test/Jamfile.jam
@@ -1,3 +1,59 @@
 import testing ;
 
-run do-slicer.cpp ../slicer//slicer : : types.ice ;
+lib dl ;
+lib pthread ;
+lib Ice ;
+lib IceUtil ;
+lib boost_system ;
+lib boost_filesystem ;
+lib slicer-test : : <name>slicertypes <search>bin/slicer ;
+
+lib types :
+	types.ice
+	:
+	<library>pthread
+	<library>Ice
+	<library>IceUtil
+	;
+
+lib common :
+	helpers.cpp
+	../../libmisc/misc.cpp
+	:
+	<library>dl
+	<library>boost_system
+	<library>boost_filesystem
+	: :
+	<library>boost_filesystem
+	<library>boost_system
+	;
+
+unit-test do-slicer :
+	types
+	common
+	do-slicer.cpp
+	:
+	<library>dl
+	<include>..
+	<library>pthread
+	<library>Ice
+	<library>IceUtil
+	<library>../slicer//slicer
+	<implicit-dependency>types
+	;
+
+unit-test run-slicer :
+	run-slicer.cpp
+	types
+	common
+	:
+	<implicit-dependency>types
+	<dependency>do-slicer
+	<library>slicer-test
+	<include>..
+	<library>pthread
+	<library>Ice
+	<library>IceUtil
+	<library>../slicer//slicer
+	<library>../xml//slicer-xml
+;
diff --git a/slicer/test/do-slicer.cpp b/slicer/test/do-slicer.cpp
index 8b03a7d..30c5cfb 100644
--- a/slicer/test/do-slicer.cpp
+++ b/slicer/test/do-slicer.cpp
@@ -1,12 +1,60 @@
 #include <slicer/parser.h>
 #include <boost/filesystem/convenience.hpp>
 #include <boost/filesystem/operations.hpp>
+#include <boost/format.hpp>
+#include <boost/function.hpp>
+#include "../../libmisc/misc.h"
+#include <types.h>
+#include "helpers.h"
+
+namespace fs = boost::filesystem;
 
 int
 main(int, char ** argv)
 {
-	const boost::filesystem::path slice = argv[1];
-	Slicer::Slicer::Apply(slice, "/dev/null");
+	const fs::path me = argv[0];
+	const fs::path base = "types";
+	const fs::path bjamout = me.parent_path();
+	const fs::path root = me.parent_path().parent_path().parent_path().parent_path();
+	fprintf(stderr, "root -- %s\n", root.string().c_str());
+	const fs::path slice = fs::change_extension(root / base, ".ice");
+	fprintf(stderr, "slice - %s\n", slice.string().c_str());
+
+	// Tmp
+	const fs::path tmp = root / "bin" / "slicer";
+	fprintf(stderr, "tmp --- %s\n", tmp.string().c_str());
+	fs::create_directory(tmp);
+
+	// Slicer
+	const fs::path cpp = fs::change_extension(tmp / base, ".cpp");
+	fprintf(stderr, "cpp --- %s\n", cpp.string().c_str());
+	fs::remove(cpp);
+	Slicer::Slicer::Apply(slice, cpp);
+
+	// Compile
+	const fs::path obj = fs::change_extension(tmp / base, ".o");
+	fprintf(stderr, "obj --- %s\n", obj.string().c_str());
+	system(stringbf(
+					"g++ -Os -fPIC -c -std=c++0x -I tmp -I /usr/include/Ice -I /usr/include/IceUtil -I %s -I %s %s -o %s",
+					bjamout,
+					root / "..",
+					cpp, obj));
+
+	// Link
+	const fs::path so = fs::change_extension(tmp / ("libslicer" + slice.filename().string()), ".so");
+	fprintf(stderr, "so ---- %s\n", so.string().c_str());
+	system(stringbf(
+					"g++ -shared -lIce -lIceUtil %s/lib%s.so %s -o %s",
+					bjamout, base,
+					obj, so));
+
+	// Load
+	fprintf(stderr, "load -- %s\n", so.string().c_str());
+	auto handle = loadlib(so);
+
+	// Unload
+	fprintf(stderr, "unload  %p\n", handle);
+	closelib(handle);
 
 	return 0;
 }
diff --git a/slicer/test/helpers.cpp b/slicer/test/helpers.cpp
new file mode 100644
index 0000000..5527f5a
--- /dev/null
+++ b/slicer/test/helpers.cpp
@@ -0,0 +1,32 @@
+#include "helpers.h"
+#include <stdexcept>
+#include <stdlib.h>
+#include <dlfcn.h>
+
+void
+system(const std::string & cmd)
+{
+	if (system(cmd.c_str())) {
+		fprintf(stderr, "Failed to execute:\n\t%s\n", cmd.c_str());
+		throw std::runtime_error(cmd);
+	}
+}
+
+void *
+loadlib(const boost::filesystem::path & so)
+{
+	auto handle = dlopen(so.string().c_str(), RTLD_NOW | RTLD_GLOBAL);
+	if (!handle) {
+		throw std::runtime_error(dlerror());
+	}
+	return handle;
+}
+
+void
+closelib(void * handle)
+{
+	if (dlclose(handle)) {
+		throw std::runtime_error(dlerror());
+	}
+}
+
diff --git a/slicer/test/helpers.h b/slicer/test/helpers.h
new file mode 100644
index 0000000..f8f7a7d
--- /dev/null
+++ b/slicer/test/helpers.h
@@ -0,0 +1,18 @@
+#ifndef SLICER_TEST_HELPERS_H
+#define SLICER_TEST_HELPERS_H
+
+#include <string>
+#include <boost/filesystem/path.hpp>
+
+// These are just thin wrappers that throw exceptions
+void
+system(const std::string &);
+
+void *
+loadlib(const boost::filesystem::path &);
+
+void
+closelib(void *);
+
+#endif
+
diff --git a/slicer/test/run-slicer.cpp b/slicer/test/run-slicer.cpp
new file mode 100644
index 0000000..6a73736
--- /dev/null
+++ b/slicer/test/run-slicer.cpp
@@ -0,0 +1,34 @@
+#include <slicer/parser.h>
+#include <slicer/slicer.h>
+#include <xml/serializer.h>
+#include <boost/filesystem/convenience.hpp>
+#include <boost/filesystem/operations.hpp>
+#include <boost/format.hpp>
+#include <boost/function.hpp>
+#include <types.h>
+
+namespace fs = boost::filesystem;
+
+int
+main(int, char ** argv)
+{
+	const fs::path me = argv[0];
+	const fs::path base = "types";
+	const fs::path bjamout = me.parent_path();
+	const fs::path root = me.parent_path().parent_path().parent_path().parent_path();
+	fprintf(stderr, "root -- %s\n", root.string().c_str());
+	const fs::path slice = fs::change_extension(root / base, ".ice");
+	fprintf(stderr, "slice - %s\n", slice.string().c_str());
+
+	// Tmp
+	const fs::path tmp = root / "bin" / "slicer";
+	fprintf(stderr, "tmp --- %s\n", tmp.string().c_str());
+	fs::create_directory(tmp);
+
+	// Execute
+	TestModule::BuiltInsPtr p(new TestModule::BuiltIns());
+	Slicer::Serialize<Slicer::Xml>(p, tmp / "out.xml");
+
+	return 0;
+}
+
diff --git a/slicer/test/types.ice b/slicer/test/types.ice
index fdacb2d..0fef708 100644
--- a/slicer/test/types.ice
+++ b/slicer/test/types.ice
@@ -17,10 +17,6 @@ module TestModule {
 		int a;
 		int b;
 	};
-	class Optionals {
-		optional(1) int simple;
-		optional(2) StructType str;
-	};
 	sequence<ClassType> Classes;
 	sequence<StructType> Structs;
 	dictionary<int, ClassType> ClassMap;
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