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Diffstat (limited to 'cpp/rubygen/0-10/specification.rb')
-rwxr-xr-x | cpp/rubygen/0-10/specification.rb | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/cpp/rubygen/0-10/specification.rb b/cpp/rubygen/0-10/specification.rb new file mode 100755 index 0000000000..026b49e1a9 --- /dev/null +++ b/cpp/rubygen/0-10/specification.rb @@ -0,0 +1,177 @@ +#!/usr/bin/env ruby +$: << ".." # Include .. in load path +require 'cppgen' + +class Specification < CppGen + def initialize(outdir, amqp) + super(outdir, amqp) + @ns="qpid::amqp_#{@amqp.version.bars}" + @dir="qpid/amqp_#{@amqp.version.bars}" + end + + # domains + + def domain_h(d) + genl + typename=d.name.typename + if d.enum + scope("enum #{typename} {", "};") { + genl d.enum.choices.map { |c| + "#{c.name.constname} = #{c.value}" }.join(",\n") + } + elsif (d.type_ == "array") + genl "typedef Array<#{ArrayTypes[d.name].amqp2cpp}> #{typename};" + else + genl "typedef #{d.type_.amqp2cpp} #{typename};" + end + end + + # class constants + + def class_h(c) + genl "const uint8_t CODE=#{c.code};" + genl "extern const char* NAME;" + end + + def class_cpp(c) + genl "const char* NAME=\"#{c.fqname}\";" + end + + # Used by structs, commands and controls. + def action_struct_h(x, base, consts, &block) + genl + struct(x.classname, "public #{base}") { + x.fields.each { |f| genl "#{f.type_.amqp2cpp} #{f.cppname};" } + genl + genl "static const char* NAME;" + consts.each { |c| genl "static const uint8_t #{c.upcase}=#{x.send c or 0};"} + genl "static const uint8_t CLASS_CODE=#{x.containing_class.nsname}::CODE;" + genl + genl "#{x.classname}();" + scope("#{x.classname}(",");") { genl x.parameters } unless x.fields.empty? + genl + genl "void accept(Visitor&) const;" + genl + yield if block + } + end + + def action_struct_cpp(x) + genl + genl "const char* #{x.classname}::NAME=\"#{x.fqname}\";" + genl + genl "#{x.classname}::#{x.classname}() {}"; + genl + if not x.fields.empty? + scope("#{x.classname}::#{x.classname}(",") :") { genl x.parameters } + indent() { genl x.initializers } + genl "{}" + genl + end + scope("void #{x.classname}::accept(Visitor&) const {","}") { + genl "// FIXME aconway 2008-02-27: todo" + } + end + + # structs + + def struct_h(s) action_struct_h(s, "Struct", ["size","pack","code"]); end + def struct_cpp(s) action_struct_cpp(s) end + + # command and control + + def action_h(a) + action_struct_h(a, a.base, ["code"]) { + scope("template <class T> void invoke(T& target) {","}") { + scope("target.#{a.funcname}(", ");") { genl a.values } + } + genl + scope("template <class S> void serialize(S& s) {","}") { + gen "s" + a.fields.each { |f| gen "(#{f.cppname})"} + genl ";" + } unless a.fields.empty? + } + end + + def action_cpp(a) action_struct_cpp(a); end + + # Types that must be generated early because they are used by other types. + def pregenerate?(x) not @amqp.used_by[x.fqname].empty?; end + + # Generate the log + def gen_specification() + h_file("#{@dir}/specification") { + include "#{@dir}/built_in_types" + include "#{@dir}/helpers" + include "<boost/call_traits.hpp>" + genl "using boost::call_traits;" + namespace(@ns) { + # Top level + @amqp.domains.each { |d| + # segment-type and track are are built in + domain_h d unless ["track","segment-type"].include?(d.name) + } + puts @amqp.used_by.inspect + + # Domains and structs that must be generated early because + # they are used by other definitions: + each_class_ns { |c| + class_h c + c.domains.each { |d| domain_h d if pregenerate? d } + c.structs.each { |s| struct_h s if pregenerate? s } + } + # Now dependent domains/structs and actions + each_class_ns { |c| + c.domains.each { |d| domain_h d if not pregenerate? d } + c.structs.each { |s| struct_h s if not pregenerate? s } + c.actions.each { |a| action_h a } + } + } + } + + cpp_file("#{@dir}/specification") { + include "#{@dir}/specification" + namespace(@ns) { + each_class_ns { |c| + class_cpp c + c.actions.each { |a| action_cpp a} + c.structs.each { |s| struct_cpp s } + } + } + } + end + + def gen_proxy() + h_file("#{@dir}/Proxy.h") { + include "#{@dir}/specification" + namespace(@ns) { + genl "template <class F, class R=F::result_type>" + cpp_class("ProxyTemplate") { + public + genl "ProxyTemplate(F f) : functor(f) {}" + @amqp.classes.each { |c| + c.actions.each { |a| + scope("R #{a.funcname}(", ")") { genl a.parameters } + scope() { + var=a.name.funcname + scope("#{a.classname} #{var}(",");") { genl a.arguments } + genl "return functor(#{var});" + } + } + } + private + genl "F functor;" + } + } + } + end + + def generate + gen_specification + gen_proxy + end +end + +Specification.new($outdir, $amqp).generate(); + |