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#ifndef AST_HPP_INCLUDED
#define AST_HPP_INCLUDED
#include <string>
#include <vector>
#include <stdexcept>
#include "../coretypes.hpp"
#include <memory>
#include "../types.hpp"
namespace AST {
class MetaItem
{
::std::string m_name;
::std::vector<MetaItem> m_items;
::std::string m_str_val;
public:
MetaItem(::std::string name):
m_name(name)
{
}
MetaItem(::std::string name, ::std::vector<MetaItem> items):
m_name(name),
m_items(items)
{
}
};
class ExprNode;
class Pattern
{
public:
Pattern();
struct TagMaybeBind {};
Pattern(TagMaybeBind, ::std::string name);
struct TagValue {};
Pattern(TagValue, ExprNode node);
struct TagEnumVariant {};
Pattern(TagEnumVariant, Path path, ::std::vector<Pattern> sub_patterns);
};
class ExprNode
{
public:
ExprNode();
struct TagBlock {};
ExprNode(TagBlock, ::std::vector<ExprNode> nodes);
struct TagLetBinding {};
ExprNode(TagLetBinding, Pattern pat, ExprNode value);
struct TagReturn {};
ExprNode(TagReturn, ExprNode val);
struct TagAssign {};
ExprNode(TagAssign, ExprNode slot, ExprNode value) {}
struct TagCast {};
ExprNode(TagCast, ExprNode value, TypeRef dst_type);
struct TagInteger {};
ExprNode(TagInteger, uint64_t value, enum eCoreType datatype);
struct TagStructLiteral {};
ExprNode(TagStructLiteral, Path path, ExprNode base_value, ::std::vector< ::std::pair< ::std::string,ExprNode> > values );
struct TagCallPath {};
ExprNode(TagCallPath, Path path, ::std::vector<ExprNode> args);
struct TagCallObject {};
ExprNode(TagCallObject, ExprNode val, ::std::vector<ExprNode> args);
struct TagMatch {};
ExprNode(TagMatch, ExprNode val, ::std::vector< ::std::pair<Pattern,ExprNode> > arms);
struct TagIf {};
ExprNode(TagIf, ExprNode cond, ExprNode true_code, ExprNode false_code);
struct TagNamedValue {};
ExprNode(TagNamedValue, Path path);
struct TagField {};
ExprNode(TagField, ::std::string name);
enum BinOpType {
BINOP_CMPEQU,
BINOP_CMPNEQU,
BINOP_BITAND,
BINOP_BITOR,
BINOP_BITXOR,
BINOP_SHL,
BINOP_SHR,
};
struct TagBinOp {};
ExprNode(TagBinOp, BinOpType type, ExprNode left, ExprNode right);
};
class NodeVisitor
{
public:
virtual void visit(ExprNode::TagBlock, ExprNode& node) {}
virtual void visit(ExprNode::TagNamedValue, ExprNode& node) {}
};
class Expr
{
public:
Expr() {}
Expr(ExprNode node) {}
void visit_nodes(const NodeVisitor& v);
};
class Function
{
public:
enum Class
{
CLASS_UNBOUND,
CLASS_REFMETHOD,
CLASS_MUTMETHOD,
CLASS_VALMETHOD,
};
typedef ::std::vector<StructItem> Arglist;
private:
Expr m_code;
TypeRef m_rettype;
Arglist m_args;
public:
Function(::std::string name, TypeParams params, Class fcn_class, TypeRef ret_type, Arglist args, Expr code);
Expr& code() { return m_code; }
const Expr code() const { return m_code; }
const TypeRef& rettype() const { return m_rettype; }
TypeRef& rettype() { return m_rettype; }
const Arglist& args() const { return m_args; }
Arglist& args() { return m_args; }
const char* name() const { return "TODO"; }
};
class Impl
{
public:
Impl(TypeRef impl_type, TypeRef trait_type);
void add_function(bool is_public, Function fcn);
};
class Module
{
::std::vector<Function> m_functions;
public:
void add_alias(bool is_public, Path path) {}
void add_constant(bool is_public, ::std::string name, TypeRef type, Expr val);
void add_global(bool is_public, bool is_mut, ::std::string name, TypeRef type, Expr val);
void add_struct(bool is_public, ::std::string name, TypeParams params, ::std::vector<StructItem> items);
void add_function(bool is_public, Function func);
void add_impl(Impl impl);
};
class Crate
{
Module m_root_module;
public:
Crate(Module root_module):
m_root_module(root_module)
{
}
typedef void fcn_visitor_t(const AST::Crate& crate, Function& fcn);
void iterate_functions( fcn_visitor_t* visitor );
};
class CStruct
{
::std::vector<StructItem> m_fields;
public:
const char* name() const { return "TODO"; }
const char* mangled_name() const { return "TODO"; }
const ::std::vector<StructItem>& fields() const { return m_fields; }
};
class Flat
{
::std::vector<CStruct> m_structs;
::std::vector<Function> m_functions;
public:
const ::std::vector<Function>& functions() const;
const ::std::vector<CStruct>& structs() const;
};
}
#endif // AST_HPP_INCLUDED
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