functions.hpp

#pragma once
 
#include <gyoji-misc/pointers.hpp>
#include <gyoji-mir/types.hpp>
#include <gyoji-mir/operations.hpp>
 
#include <string>
#include <map>
#include <vector>
 
namespace Gyoji::mir {
    class Function;
    class SimpleStatement;
    class BasicBlock;
 
    class Functions {
    public:
    Functions();
 
    ~Functions();
 
    void add_function(Gyoji::owned<Function> _function);
 
    const std::vector<Gyoji::owned<Function>> & get_functions() const;
 
    void dump(FILE *out) const;
    
    private:
    std::vector<Gyoji::owned<Function>> functions;
    };
    
    class BasicBlock {
    public:
    BasicBlock();
    ~BasicBlock();
 
    void add_operation(Gyoji::owned<Operation> operation);
 
    size_t size() const;
 
    void insert_operation(size_t position, Gyoji::owned<Operation> operation);
    
    const std::vector<Gyoji::owned<Operation>> & get_operations() const;
 
    void dump(FILE *out) const;
 
    bool contains_terminator() const;
    private:
    std::vector<Gyoji::owned<Operation>> operations;
    };
 
    class FunctionArgument {
    public:
    FunctionArgument(
        std::string & _name,
        const Type *_type,
        const Gyoji::context::SourceReference & _name_source_ref,
        const Gyoji::context::SourceReference & _type_source_ref
        );
    FunctionArgument(const FunctionArgument & _other);
    ~FunctionArgument();
 
    const std::string & get_name() const;
    
    const Type * get_type() const;
 
    const Gyoji::context::SourceReference & get_type_source_ref() const;
    const Gyoji::context::SourceReference & get_name_source_ref() const;
    
    private:
    std::string name;
    const Type * type;
    const Gyoji::context::SourceReference & name_source_ref;
    const Gyoji::context::SourceReference & type_source_ref;
    };
 
    class Function {
    public:
    Function(
        std::string _name,
        const Type *_return_type,
        const std::vector<FunctionArgument> & _arguments,
        const Gyoji::context::SourceReference & _source_ref
        );
    ~Function();
 
    const std::string & get_name() const;
 
    const Type *get_return_type() const;
    
    const std::vector<FunctionArgument> & get_arguments() const;
 
    const BasicBlock & get_basic_block(size_t blockid) const;
    BasicBlock & get_basic_block(size_t blockid);
 
    size_t add_block();
 
    const std::map<size_t, Gyoji::owned<BasicBlock>> & get_blocks() const;
 
    void dump(FILE *out) const;
 
    const Gyoji::context::SourceReference & get_source_ref() const;
 
    const Type *tmpvar_get(size_t tmpvar_id) const;
    size_t tmpvar_define(const Type *tmpvar_type);
 
    size_t tmpvar_duplicate(size_t tmpvar_id);
    
    private:
    const std::string name;
    const Type *return_type;
    std::vector<FunctionArgument> arguments;
    
    const Gyoji::context::SourceReference & source_ref;
    
    // Holds the max blockid
    // as we build them.
    size_t blockid;
    std::map<size_t, Gyoji::owned<BasicBlock>> blocks;
    std::vector<const Type*> tmpvars;
    };
};