1 files changed, 102 insertions, 0 deletions
diff --git a/contrib/restricted/wavm/Lib/IR/Module.cpp b/contrib/restricted/wavm/Lib/IR/Module.cpp
new file mode 100644
index 00000000000..4c74489002d
--- /dev/null
+++ b/contrib/restricted/wavm/Lib/IR/Module.cpp
@@ -0,0 +1,102 @@
+#include "WAVM/IR/Module.h"
+#include "WAVM/IR/IR.h"
+
+using namespace WAVM;
+using namespace WAVM::IR;
+
+const char* IR::asString(OrderedSectionID id)
+{
+	switch(id)
+	{
+	case OrderedSectionID::moduleBeginning: return "module beginning";
+	case OrderedSectionID::type: return "type";
+	case OrderedSectionID::import: return "import";
+	case OrderedSectionID::function: return "func";
+	case OrderedSectionID::table: return "table";
+	case OrderedSectionID::memory: return "memory";
+	case OrderedSectionID::global: return "global";
+	case OrderedSectionID::exceptionType: return "exception_type";
+	case OrderedSectionID::export_: return "export";
+	case OrderedSectionID::start: return "start";
+	case OrderedSectionID::elem: return "elem";
+	case OrderedSectionID::dataCount: return "data_count";
+	case OrderedSectionID::code: return "code";
+	case OrderedSectionID::data: return "data";
+
+	default: WAVM_UNREACHABLE();
+	};
+}
+
+bool IR::findCustomSection(const Module& module,
+						   const char* customSectionName,
+						   Uptr& outCustomSectionIndex)
+{
+	for(Uptr sectionIndex = 0; sectionIndex < module.customSections.size(); ++sectionIndex)
+	{
+		if(module.customSections[sectionIndex].name == customSectionName)
+		{
+			outCustomSectionIndex = sectionIndex;
+			return true;
+		}
+	}
+	return false;
+}
+
+void IR::insertCustomSection(Module& module, CustomSection&& customSection)
+{
+	auto it = module.customSections.begin();
+	for(; it != module.customSections.end(); ++it)
+	{
+		if(it->afterSection > customSection.afterSection) { break; }
+	}
+	module.customSections.insert(it, std::move(customSection));
+}
+
+OrderedSectionID IR::getMaxPresentSection(const Module& module, OrderedSectionID maxSection)
+{
+	switch(maxSection)
+	{
+	case OrderedSectionID::data:
+		if(hasDataSection(module)) { return OrderedSectionID::data; }
+		// fall through
+	case OrderedSectionID::code:
+		if(hasCodeSection(module)) { return OrderedSectionID::code; }
+		// fall through
+	case OrderedSectionID::dataCount:
+		if(hasDataCountSection(module)) { return OrderedSectionID::dataCount; }
+		// fall through
+	case OrderedSectionID::elem:
+		if(hasElemSection(module)) { return OrderedSectionID::elem; }
+		// fall through
+	case OrderedSectionID::start:
+		if(hasStartSection(module)) { return OrderedSectionID::start; }
+		// fall through
+	case OrderedSectionID::export_:
+		if(hasExportSection(module)) { return OrderedSectionID::export_; }
+		// fall through
+	case OrderedSectionID::exceptionType:
+		if(hasExceptionTypeSection(module)) { return OrderedSectionID::exceptionType; }
+		// fall through
+	case OrderedSectionID::global:
+		if(hasGlobalSection(module)) { return OrderedSectionID::global; }
+		// fall through
+	case OrderedSectionID::memory:
+		if(hasMemorySection(module)) { return OrderedSectionID::memory; }
+		// fall through
+	case OrderedSectionID::table:
+		if(hasTableSection(module)) { return OrderedSectionID::table; }
+		// fall through
+	case OrderedSectionID::function:
+		if(hasFunctionSection(module)) { return OrderedSectionID::function; }
+		// fall through
+	case OrderedSectionID::import:
+		if(hasImportSection(module)) { return OrderedSectionID::import; }
+		// fall through
+	case OrderedSectionID::type:
+		if(hasTypeSection(module)) { return OrderedSectionID::type; }
+		// fall through
+	case OrderedSectionID::moduleBeginning: return OrderedSectionID::moduleBeginning;
+
+	default: WAVM_UNREACHABLE();
+	};
+}