diff options
Diffstat (limited to 'xsde/cxx/hybrid/parser-header.cxx')
| -rw-r--r-- | xsde/cxx/hybrid/parser-header.cxx | 219 |
1 files changed, 190 insertions, 29 deletions
diff --git a/xsde/cxx/hybrid/parser-header.cxx b/xsde/cxx/hybrid/parser-header.cxx index c174df4..d8948d7 100644 --- a/xsde/cxx/hybrid/parser-header.cxx +++ b/xsde/cxx/hybrid/parser-header.cxx @@ -14,6 +14,194 @@ namespace CXX { namespace { + // + // + struct PostOverride: Traversal::Complex, Context + { + PostOverride (Context& c) + : Context (c) + { + } + + virtual Void + traverse (SemanticGraph::Complex& c) + { + if (c.inherits_p ()) + { + SemanticGraph::Type& b (c.inherits ().base ()); + + if (polymorphic (b)) + { + if (tiein) + dispatch (b); + + os << "virtual " << pret_type (b) << endl + << post_name (b) << " ();" + << endl; + } + } + } + }; + + // + // + struct Enumeration: Traversal::Enumeration, Context + { + Enumeration (Context& c, Traversal::Complex& complex) + : Context (c), complex_ (complex), post_override_ (c) + { + } + + virtual Void + traverse (Type& e) + { + // First see if we should delegate this one to the Complex + // generator. + // + Type* base_enum (0); + + if (!enum_ || !enum_mapping (e, &base_enum)) + { + complex_.traverse (e); + return; + } + + String const& name (epimpl_custom (e)); + + // We may not need to generate the class if this parser is + // being customized. + // + if (name) + { + Boolean fl (fixed_length (e)); + SemanticGraph::Type& b (e.inherits ().base ()); + + os << "class " << name << ": public " << + (mixin ? "virtual " : "") << epskel (e); + + // Derive from base pimpl even if base_enum == 0. This is done + // so that we have implementations for all the (otherwise pure + // virtual) post_*() functions. + // + if (mixin) + os << "," << endl + << " public " << fq_name (b, "p:impl"); + + os << "{" + << "public:" << endl; + + // c-tor + // + if (!fl || tiein) + os << name << " (" << (fl ? "" : "bool = false") << ");" + << endl; + + if (!fl) + { + // d-tor + // + os << "~" << name << " ();" + << endl; + + // reset + // + if (reset) + os << "virtual void" << endl + << "_reset ();" + << endl; + } + + // pre + // + os << "virtual void" << endl + << "pre ();" + << endl; + + // _characters + // + if (!base_enum) + os << "virtual void" << endl + << "_characters (const " << string_type << "&);" + << endl; + + // post + // + String const& ret (pret_type (e)); + + if (polymorphic (e)) + post_override_.dispatch (e); + + os << "virtual " << ret << endl + << post_name (e) << " ();" + << endl; + + String const& type (fq_name (e)); + + // pre_impl + // + if (!fl) + os << (tiein ? "public:" : "protected:") << endl + << "void" << endl + << pre_impl_name (e) << " (" << type << "*);" + << endl; + + // Base implementation. + // + if (tiein && base_enum) + os << (tiein ? "public:" : "protected:") << endl + << fq_name (b, "p:impl") << " base_impl_;" + << endl; + + // State. + // + if (!fl || !base_enum) + { + String const& state_type (epstate_type (e)); + + os << (tiein ? "public:" : "protected:") << endl + << "struct " << state_type + << "{"; + + if (!fl) + os << type << "* " << "x_;"; + + if (!base_enum) + { + if (stl) + os << "::std::string str_;"; + else + os << "::xsde::cxx::string str_;"; + } + + os << "};" + << state_type << " " << epstate (e) << ";"; + } + + if (!fl) + os << "bool " << epstate_base (e) << ";"; + + os << "};"; + } + + // Generate include for custom parser. + // + if (e.context ().count ("p:impl-include")) + { + close_ns (); + + os << "#include " << process_include_path ( + e.context ().get<String> ("p:impl-include")) << endl + << endl; + + open_ns (); + } + } + + private: + Traversal::Complex& complex_; + PostOverride post_override_; + }; + struct List: Traversal::List, Context { List (Context& c) @@ -352,35 +540,6 @@ namespace CXX // // - struct PostOverride: Traversal::Complex, Context - { - PostOverride (Context& c) - : Context (c) - { - } - - virtual Void - traverse (SemanticGraph::Complex& c) - { - if (c.inherits_p ()) - { - SemanticGraph::Type& b (c.inherits ().base ()); - - if (polymorphic (b)) - { - if (tiein) - dispatch (b); - - os << "virtual " << pret_type (b) << endl - << post_name (b) << " ();" - << endl; - } - } - } - }; - - // - // struct Complex : Traversal::Complex, Context { Complex (Context& c) @@ -624,10 +783,12 @@ namespace CXX List list (ctx); Union union_ (ctx); Complex complex (ctx); + Enumeration enumeration (ctx, complex); names >> list; names >> union_; names >> complex; + names >> enumeration; schema.dispatch (ctx.schema_root); } |