Class: Mirah::JVM::Types::Number
- Inherits:
-
PrimitiveType
- Object
- Type
- PrimitiveType
- Mirah::JVM::Types::Number
- Defined in:
- lib/mirah/jvm/types/number.rb
Direct Known Subclasses
Constant Summary collapse
- TYPE_ORDERING =
['byte', 'short', 'int', 'long', 'float', 'double']
Constants inherited from PrimitiveType
PrimitiveType::WIDENING_CONVERSIONS
Constants included from Logging::Logged
Instance Attribute Summary
Attributes inherited from Type
#inner_class, #name, #type_system
Instance Method Summary collapse
- #add_delegates(name, return_type = nil) ⇒ Object
- #add_intrinsics ⇒ Object
- #boolean_operator(name, op) ⇒ Object
- #box(builder) ⇒ Object
- #compile_boolean_operator(compiler, op, negated, call, label) ⇒ Object
-
#delegate_intrinsic(name, type, return_type) ⇒ Object
Adds an intrinsic that delegates to an intrinsic in another primitive type.
- #invert_op(op) ⇒ Object
-
#jump_if(builder, op, label) ⇒ Object
if_cmpxx for non-ints.
- #math_operator(name, op) ⇒ Object
-
#math_type ⇒ Object
The type returned by arithmetic operations with this type.
- #suffix ⇒ Object
- #unary_operator(name, op) ⇒ Object
Methods inherited from PrimitiveType
#convertible_to?, #initialize, #interfaces, #newarray, #primitive?, #primitive_type, #superclass
Methods inherited from Type
#abstract?, #add_compiled_macro, #add_enumerable_macros, #add_method, #add_method_listener, #aload, #ancestors_and_interfaces, #array?, #array_type, #assignableFrom, #assignable_from?, #astore, #basic_type, #compatible?, #component_type, #constructor, #declared_class_methods, #declared_constructors, #declared_instance_methods, #declared_intrinsics, #declared_macros, #dynamic?, #error?, #expand_each, #field_getter, #field_setter, #find_callable_macros, #find_callable_macros2, #find_callable_methods, #find_callable_methods2, #full_name, #generic, #generic?, #get_method, #include, #init_value, #initialize, #inner_class?, #inner_class_getter, #inspect, #interface?, #interfaces, #intrinsics, #isArray, #isBlock, #isError, #isGeneric, #isMeta, #is_parent, #iterable?, #java_method, #jvm_type, #load, #load_extensions, #macro, #macros, #matchesAnything, #meta, #meta?, #method_listeners, #method_updated, #newarray, #pop, #prefix, #primitive?, #read_macrodef_annotation, #return, #store, #superclass, #to_s, #type_parameters, #ungeneric, #unmeta, #void?, #wide?, #widen
Methods included from Logging::Logged
#error, #info, #log, #logger, #logger_name, #logging?, #vlog, #warning
Methods included from MethodLookup
#each_is_exact, #each_is_exact_or_subtype_or_convertible, #field_lookup, #find_jls, #find_jls2, #find_method, #find_method2, #inner_class, #is_more_specific?, #phase1, #phase2, #phase3, #primitive_convertible?
Constructor Details
This class inherits a constructor from Mirah::JVM::Types::PrimitiveType
Instance Method Details
#add_delegates(name, return_type = nil) ⇒ Object
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# File 'lib/mirah/jvm/types/number.rb', line 68 def add_delegates(name, return_type = nil) index = TYPE_ORDERING.index(math_type.name) larger_types = TYPE_ORDERING[index + 1, TYPE_ORDERING.size] larger_types.each do |type| type = @type_system.type(nil, type) delegate_intrinsic(name, type, return_type || type) end end |
#add_intrinsics ⇒ Object
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# File 'lib/mirah/jvm/types/number.rb', line 141 def add_intrinsics boolean_operator('<', :lt) boolean_operator('<=', :le) boolean_operator('==', :eq) boolean_operator('!=', :ne) boolean_operator('>=', :ge) boolean_operator('>', :gt) math_operator('+', :add) math_operator('-', :sub) math_operator('*', :mul) math_operator('/', :div) math_operator('%', :rem) unary_operator('-@', :neg) unary_operator('+@', nil) end |
#boolean_operator(name, op) ⇒ Object
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# File 'lib/mirah/jvm/types/number.rb', line 83 def boolean_operator(name, op) args = [math_type] add_method(name, args, ComparisonIntrinsic.new(self, name, op, args)) add_delegates(name, @type_system.type(nil, 'boolean')) end |
#box(builder) ⇒ Object
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# File 'lib/mirah/jvm/types/number.rb', line 157 def box(builder) builder.invokestatic box_type, "valueOf", [box_type, math_type] end |
#compile_boolean_operator(compiler, op, negated, call, label) ⇒ Object
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# File 'lib/mirah/jvm/types/number.rb', line 102 def compile_boolean_operator(compiler, op, negated, call, label) # Promote the target or the argument if necessary convert_args(compiler, [call.target, *call.parameters], [math_type, math_type]) if negated op = invert_op(op) end if label jump_if(compiler.method, op, label) else compiler.method.op_to_bool do |label| jump_if(compiler.method, op, label) end end end |
#delegate_intrinsic(name, type, return_type) ⇒ Object
Adds an intrinsic that delegates to an intrinsic in another primitive type. That type must support promoting the “this” argument.
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# File 'lib/mirah/jvm/types/number.rb', line 54 def delegate_intrinsic(name, type, return_type) args = [type] delegate = type.intrinsics[name][args] if delegate.kind_of?(ComparisonIntrinsic) add_method(name, args, ComparisonIntrinsic.new(type, name, delegate.op, args)) else add_method(name, args, return_type) do |compiler, call, expression| if expression delegate.call(compiler, call, expression) end end end end |
#invert_op(op) ⇒ Object
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# File 'lib/mirah/jvm/types/number.rb', line 89 def invert_op(op) inverted = { :lt => :ge, :le => :gt, :eq => :ne, :ne => :eq, :gt => :le, :ge => :lt }[op] raise "Can't invert #{op}." unless inverted inverted end |
#jump_if(builder, op, label) ⇒ Object
if_cmpxx for non-ints
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# File 'lib/mirah/jvm/types/number.rb', line 78 def jump_if(builder, op, label) builder.send "#{prefix}cmp#{suffix}" builder.send "if#{op}", label end |
#math_operator(name, op) ⇒ Object
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# File 'lib/mirah/jvm/types/number.rb', line 119 def math_operator(name, op) add_method(name, [math_type], math_type) do |compiler, call, expression| if expression # Promote the target or the argument if necessary convert_args(compiler, [call.target, *call.parameters], [math_type, math_type]) compiler.method.send "#{prefix}#{op}" end end add_delegates(name) end |
#math_type ⇒ Object
The type returned by arithmetic operations with this type.
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# File 'lib/mirah/jvm/types/number.rb', line 44 def math_type self end |
#suffix ⇒ Object
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# File 'lib/mirah/jvm/types/number.rb', line 48 def suffix '' end |
#unary_operator(name, op) ⇒ Object
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# File 'lib/mirah/jvm/types/number.rb', line 132 def unary_operator(name, op) add_method(name, [], math_type) do |compiler, call, expression| if expression call.target.compile(compiler, true) compiler.method.send("#{prefix}#{op}") if op end end end |