#include <map>
#include <msp/io/file.h>
-#include "except.h"
#include "loaderaction.h"
#include "parser.h"
#include "statement.h"
class Loader
{
private:
- struct ActionKey
- {
- std::string keyword;
- std::string signature;
-
- ActionKey(const std::string &, const std::string &);
-
- bool operator<(const ActionKey &) const;
- };
-
- typedef std::map<ActionKey, LoaderAction *> ActionMap;
+ typedef std::map<StatementKey, LoaderAction *> ActionMap;
ActionMap actions;
+ Parser *cur_parser;
+ unsigned cur_level;
const Statement *cur_st;
bool sub_loaded;
+ bool direct;
+ std::list<Loader *> aux_loaders;
protected:
- bool allow_pointer_reload;
bool check_sub_loads;
Loader();
public:
virtual ~Loader();
- bool is_pointer_reload_allowed() const { return allow_pointer_reload; }
-
/** Loads statements from a parser. */
void load(Parser &p);
/** Loads data from a statement. */
void load(const Statement &st);
+ /** Loads statemsnts from a parser, feeding them directly to actions. */
+ void load_direct(Parser &, unsigned);
+
/** Processes a single statement */
void load_statement(const Statement &st);
private:
void add(const std::string &, LoaderAction *);
- LoaderAction *find_action(const ActionKey &) const;
+protected:
+ void add_auxiliary_loader(Loader &);
+
+private:
+ bool has_action(const StatementKey &) const;
+ LoaderAction *find_action(const StatementKey &) const;
protected:
/** Returns the source of the statement being processed. This can be used
to implement relative paths in include-like statements. Note that the
source may not necessarily be a file. */
- const std::string &get_source() const
- {
- if(!cur_st)
- throw InvalidState("get_source called without current statement");
- return cur_st->source;
- }
+ const std::string &get_source() const;
+
+ /** Returns the keyword of the statement being processed. Can be used to
+ implement dynamic keywords. */
+ const std::string &get_keyword() const;
virtual void finish() { }
};