Class: Mirah::JVM::Types::JavaSourceMirror::JavaSourceParser
- Inherits:
-
ElementScanner6
- Object
- ElementScanner6
- Mirah::JVM::Types::JavaSourceMirror::JavaSourceParser
- Includes:
- AnnotationValueVisitor
- Defined in:
- lib/mirah/jvm/types/source_mirror.rb
Instance Method Summary collapse
- #anno_visitType(t, arg) ⇒ Object
- #classpath ⇒ Object
- #flags_from_modifiers(elem) ⇒ Object
- #get_fake_files ⇒ Object
- #get_java_file(tools) ⇒ Object
-
#initialize(file, type_factory) ⇒ JavaSourceParser
constructor
TODO support generics.
- #internal_name(element) ⇒ Object
- #internal_type_name(type) ⇒ Object
- #parse ⇒ Object
- #type_desc(type) ⇒ Object
- #visitAnnotation(elem, arg = nil) ⇒ Object
-
#visitArray(values, arg) ⇒ Object
AnnotationValueVisitor.
- #visitBoolean(val, arg) ⇒ Object (also: #visitByte, #visitChar, #visitDouble, #visitFloat, #visitInt, #visitLong, #visitShort, #visitString, #visitUnknown)
- #visitEnumConstant(c, arg) ⇒ Object
- #visitExecutable(method, arg) ⇒ Object
- #visitType(elem, arg) ⇒ Object
- #visitVariable(field, arg) ⇒ Object
- #with(elem) ⇒ Object
Constructor Details
#initialize(file, type_factory) ⇒ JavaSourceParser
TODO support generics
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 65 def initialize(file, type_factory) super() @file = file @type_factory = type_factory @mirrors = [] end |
Instance Method Details
#anno_visitType(t, arg) ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 191 def anno_visitType(t, arg) anno, name = arg anno.visit(name, BiteScript::ASM::Type.getType(type_desc(t))) end |
#classpath ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 82 def classpath [ '-classpath', $CLASSPATH.to_a.join(java.io.File.pathSeparator) ] end |
#flags_from_modifiers(elem) ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 205 def flags_from_modifiers(elem) flags = 0 elem.modifiers.each do |modifier| flags |= BiteScript::ASM::Opcodes.const_get("ACC_#{modifier.name}") end flags end |
#get_fake_files ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 94 def get_fake_files mirah_typedefs = Set.new(@type_factory.known_types.values.reject {|t| !t.kind_of?(TypeDefinition)}) files = [FakeJavaFile.new('org.mirah.infer', 'FakeClass', '@interface')] mirah_typedefs.each do |typedef| typedef.name =~ /^(?:(.+)\.)?([^.]+)$/ package, name = $1, $2 kind = if typedef.interface? 'interface' else 'class' end files << FakeJavaFile.new(package, name, kind) end files end |
#get_java_file(tools) ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 89 def get_java_file(tools) fm = tools.get_standard_file_manager(nil, nil, nil) fm.get_java_file_objects(@file).to_a[0] end |
#internal_name(element) ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 213 def internal_name(element) @element_utils.get_binary_name(element).to_s.tr('.', '/') end |
#internal_type_name(type) ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 217 def internal_type_name(type) return nil if type.kind == TypeKind::NONE return @element_utils.get_binary_name(type.as_element).to_s.tr('.', '/') end |
#parse ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 72 def parse tools = ToolProvider.system_java_compiler units = [get_java_file(tools)] + get_fake_files @javac = tools.get_task(nil, nil, nil, classpath, nil, units) @element_utils = JavacElements.instance(@javac.context) elements = @javac.enter elements.each {|elem| scan(elem)} @mirrors end |
#type_desc(type) ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 222 def type_desc(type) case type.kind.name when 'ARRAY' "[#{type_desc(type.component_type)}" when 'BOOLEAN' 'Z' when 'BYTE' 'B' when 'CHAR' 'C' when 'DECLARED' name = internal_type_name(type) "L#{name};" when 'DOUBLE' 'D' when 'FLOAT' 'F' when 'INT' 'I' when 'LONG' 'J' when 'SHORT' 'S' when 'VOID' 'V' when 'EXECUTABLE' desc = '(' type.parameter_types.each do |param| desc << type_desc(param) end desc << ')' desc << type_desc(type.return_type) else raise ArgumentError, "Unsupported type #{type.kind.name}" end end |
#visitAnnotation(elem, arg = nil) ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 149 def visitAnnotation(elem, arg=nil) desc = type_desc(elem.annotation_type) if arg.nil? anno = @current.visitAnnotation(desc, 0) else builder, name = arg anno = builder.visitAnnotation(name, desc) end elem.element_values.each do |method, value| name = method.simple_name visit(value, [anno, name]) end end |
#visitArray(values, arg) ⇒ Object
AnnotationValueVisitor
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 164 def visitArray(values, arg) anno, name = arg array = anno.visitArray(name) values.each do |value| visit(value, [array, name]) end end |
#visitBoolean(val, arg) ⇒ Object Also known as: visitByte, visitChar, visitDouble, visitFloat, visitInt, visitLong, visitShort, visitString, visitUnknown
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 172 def visitBoolean(val, arg) anno, name = arg anno.visit(name, val) end |
#visitEnumConstant(c, arg) ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 186 def visitEnumConstant(c, arg) anno, name = arg anno.visitEnum(name, type_desc(c.as_type), c.simple_name) end |
#visitExecutable(method, arg) ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 138 def visitExecutable(method, arg) # TODO varags flags = flags_from_modifiers(method) exceptions = method.thrown_types.map {|t| internal_type_name(t)} desc = type_desc(method.as_type) mbuilder = @current.visitMethod(flags, method.simple_name, desc, nil, exceptions) with mbuilder do method.annotation_mirrors.each {|anno| visitAnnotation(anno)} end end |
#visitType(elem, arg) ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 110 def visitType(elem, arg) return anno_visitType(elem, arg) if elem.kind_of?(TypeMirror) if elem.annotation_mirrors.any? {|a| a.toString == '@org.mirah.infer.FakeClass'} return end superclass = internal_type_name(elem.superclass) || 'java/lang/Object' interfaces = elem.interfaces.map {|i| internal_type_name(i)} flags = flags_from_modifiers(elem) builder = BiteScript::ASM::ClassMirror::Builder.new builder.visit(0, flags, internal_name(elem), nil, superclass, interfaces) with(builder) do elem.annotation_mirrors.each {|anno| visitAnnotation(anno)} super(elem, arg) end @mirrors << builder.mirror builder.mirror end |
#visitVariable(field, arg) ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 128 def visitVariable(field, arg) flags = flags_from_modifiers(field) type = type_desc(field.as_type) fbuilder = @current.visitField( flags, field.simple_name, type, nil, field.constant_value) with fbuilder do field.annotation_mirrors.each {|anno| visitAnnotation(anno)} end end |
#with(elem) ⇒ Object
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# File 'lib/mirah/jvm/types/source_mirror.rb', line 196 def with(elem) saved, @current = @current, elem begin yield ensure @current = saved end end |