61 lines
2.3 KiB
C
61 lines
2.3 KiB
C
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#pragma once
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#include <map>
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#include <string>
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#include <vector>
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#include "argtype_registry.h"
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#include "katom.h"
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#include "option_set.h"
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class Option_set_registry
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{
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public:
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// Parse and register an "@@name.o <parameters> : <description> @@"
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// declaration. The name is passed in because the caller has already
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// split it from its ".o" target suffix in order to route here.
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void add(const Argtype_registry& argtypes, const std::string& name,
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katom_iter begin, katom_iter end, katom_list& katoms);
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bool has(const std::string& name) const;
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const Option_set& get(const std::string& name, const Locator& loc) const;
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void add_user(const std::string& set_name, const std::string& klammer_name);
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std::string describe(int margin = 2) const;
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// "a, b, c" -- the sets that exist, for a diagnostic about one that does not.
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std::string available() const;
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std::map<std::string, Option_set> m_option_sets {};
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std::vector<std::string> m_names {};
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};
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// What one parameter inherited from an option set: which set it came from,
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// and whether its default was overridden where the set was used. Default
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// resolution has three levels -- argument type, option set, use site -- and
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// kdesc says which one a klammer's effective default came from, so the level
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// has to be recorded rather than inferred from the value.
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struct Option_set_use
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{
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std::string m_set {};
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bool m_overridden {};
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};
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// parameter name -> where it came from
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using option_set_uses_t = std::map<std::string, Option_set_use>;
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// Replace every option-set use in a parameter list with the parameters it
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// stands for. Any other klammer application in a parameter list is an
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// error: an option set is the only construct that may put parameters there,
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// and only in a ".k" declaration.
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//
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// `parameters` is modified in place. Sets are recorded as used by
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// `klammer_name`, so `option_sets` is not const.
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option_set_uses_t expand_option_sets(
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katom_list& parameters, const std::string& klammer_name,
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const std::string& target_name, Option_set_registry& option_sets);
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// Record on each parameter that came from a set which set it came from and
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// whether its default was overridden. Called after the expanded parameter
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// list has been parsed.
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void stamp_option_set_uses(Parameter_set& parameters, const option_set_uses_t& uses);
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