compilepass.h
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Sun, Sep 13, 2:40 PM

compilepass.h

#ifndef COMPILEPASS_H
#define COMPILEPASS_H
#include <compilation/latecontextcompiler2.h>
#include "abstractpass.h"
#include "llvm/IR/Function.h"
namespace xreate {
class AdhocScheme;
class ClaspLayer;
class ContextQuery;
class CallStatement;
}
namespace xreate {
class CompilePass;
namespace compilation {
class CodeScopeUnit;
class FunctionUnit;
class TargetInterpretation;
struct Context{
CodeScopeUnit* scope;
FunctionUnit* function;
CompilePass* pass;
};
class CodeScopeUnit {
public:
CodeScopeUnit(CodeScope* codeScope, FunctionUnit* f, CompilePass* compilePass);
void bindArg(llvm::Value* value, std::string&& alias);
void overrideDeclaration(const Symbol binding, Expression&& declaration);
std::map<VID,llvm::Value*> __rawVars;
void reset(){raw = nullptr;}
llvm::Value* compile(const std::string& hintBlockDecl="");
llvm::Value* compileSymbol(const Symbol& s, std::string hintRetVar="");
llvm::Value* process(const Expression& expr, const std::string& hintVarDecl="");
llvm::Value* processLowlevel(const Expression& expr, const std::string& hintVarDecl="");
CodeScope* scope;
private:
CompilePass* pass;
llvm::Value* raw = nullptr;
FunctionUnit* function;
std::unordered_map<VID, Expression> __declarationsOverriden;
CallStatement* findFunction(const std::string& callee);
};
class IFunctionDecorator {
protected:
virtual std::string prepareName() = 0;
virtual std::vector<llvm::Type*> prepareArguments() = 0;
virtual llvm::Type* prepareResult() = 0;
virtual void prepareBindings() = 0;
virtual ~IFunctionDecorator(){}
};
class FunctionUnit: public IFunctionDecorator{
public:
FunctionUnit(ManagedFnPtr f, CompilePass* p)
: function(f), pass(p) {}
llvm::Function* compile();
CodeScopeUnit* getEntry();
CodeScopeUnit* getScopeUnit(CodeScope* scope);
CodeScopeUnit* getScopeUnit(ManagedScpPtr scope);
ManagedFnPtr function;
llvm::Function* raw = nullptr;
protected:
std::string prepareName();
std::vector<llvm::Type*> prepareArguments();
llvm::Type* prepareResult();
private:
CompilePass* pass;
std::map<CodeScope*, std::unique_ptr<CodeScopeUnit>> scopes;
};
class Transformations;
} // end of namespace `xreate::compilation`
class CompilePass : public AbstractPass<void> {
friend class LateContextCompiler;
friend class LateContextCompiler2;
friend class compilation::CodeScopeUnit;
friend class compilation::FunctionUnit;
public:
compilation::Transformations* transformations;
CompilePass(PassManager* manager): AbstractPass<void>(manager) {}
compilation::FunctionUnit* getFunctionUnit(const ManagedFnPtr& function);
void run() override;
llvm::Function* getEntryFunction();
static void prepareQueries(ClaspLayer* clasp);
private:
std::map<unsigned int, compilation::FunctionUnit> functions;
llvm::Function* entry = 0;
ContextQuery* queryContext;
compilation::TargetInterpretation* targetInterpretation;
};
}
#endif // COMPILEPASS_H

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