Module: HDLRuby::High
- Defined in:
- lib/HDLRuby/hruby_high.rb,
lib/HDLRuby/hruby_error.rb
Overview
High-level libraries for describing digital hardware.
Defined Under Namespace
Modules: HArrow, HBlock, HExpression, HRef, HScope_missing, HStatement, HbasicType, Hinner, Hmissing, Hmux, Htype, HvectorType, SingletonExtend, Std Classes: AnyError, Behavior, Binary, Block, Case, Cast, Chunk, Code, Concat, Connection, Delay, Event, If, Namespace, NotDefinedError, RefConcat, RefIndex, RefName, RefObject, RefRange, RefThis, Scope, Select, SignalC, SignalI, SystemI, SystemT, TimeBehavior, TimeBlock, TimeRepeat, TimeWait, Transmit, Type, TypeDef, TypeFloat, TypeGen, TypeSigned, TypeStruct, TypeTuple, TypeUnsigned, TypeVector, Unary, Value, When
Constant Summary collapse
- Low =
Base = HDLRuby::Base
HDLRuby::Low
- Void =
The void type
define_type(:void)
- Bit =
The bit type.
define_type(:bit)
- Signed =
The signed bit type.
define_type(:signed)
- Unsigned =
The unsigned bit type.
define_type(:unsigned)
- Float =
The float bit type
define_type(:float)
- Universe =
The universe, i.e., the top system type.
SystemT.new(:"") {}
- NameStack =
The stack of names for creating new names without conflicts.
[ Set.new ]
- Integer =
Standard vector types.
TypeSigned.new(:integer)
- Char =
TypeSigned.new(:char,7..0)
- Natural =
TypeUnsigned.new(:natural)
- Bignum =
TypeSigned.new(:bignum,HDLRuby::Infinity..0)
- Real =
TypeFloat.new(:float)
- @@cur_behavior =
The current behavior: by default none.
nil
Class Method Summary collapse
-
.booting? ⇒ Boolean
Tells HDLRuby is currently booting.
-
.cur_behavior ⇒ Object
Gets the enclosing behavior if any.
-
.cur_block(level = 0) ⇒ Object
Gets the enclosing block if any.
-
.cur_scope(level = 0) ⇒ Object
Gets the enclosing scope if any.
-
.cur_system ⇒ Object
Gets the enclosing system type if any.
-
.define_type(name) ⇒ Object
Defines a basic type +name+.
-
.from_users(method) ⇒ Object
Gather the result of the execution of +method+ from all the users of the namespaces.
-
.in_behavior? ⇒ Boolean
Tell if we are in a behavior.
-
.in_system? ⇒ Boolean
Tells if within a system type.
-
.make_block(mode = nil, name = :"", &ruby_block) ⇒ Object
Creates a block executed in +mode+, with possible +name+, that can be timed or not depending on the enclosing object and build it by executing the enclosing +ruby_block+.
-
.make_time_block(mode = nil, name = :"", &ruby_block) ⇒ Object
Creates a specifically timed block in +mode+, with possible +name+ and build it by executing the enclosing +ruby_block+.
-
.names_add(name) ⇒ Object
Adds a +name+ to the top of the stack.
-
.names_create(base) ⇒ Object
Creates and adds the new name from +base+ that do not collides with the exisiting names.
-
.names_has?(name) ⇒ Boolean
Checks if a +name+ is present in the stack.
-
.names_pop ⇒ Object
Pops from the name stack.
-
.names_push ⇒ Object
Pushes on the name stack.
-
.space_call(name, *args, &ruby_block) ⇒ Object
Looks up and calls method +name+ from the namespace stack with arguments +args+ and block +ruby_block+.
-
.space_each(&ruby_block) ⇒ Object
Iterates over each namespace.
-
.space_include?(namespace) ⇒ Boolean
Tells if +namespace+ in included within the stack.
-
.space_index(namespace) ⇒ Object
Gets the index of a +namespace+ within the stack.
-
.space_insert(index, namespace) ⇒ Object
Inserts +namespace+ at +index+.
-
.space_pop ⇒ Object
Pops a namespace.
-
.space_push(namespace) ⇒ Object
Pushes +namespace+.
-
.space_reg(name, &ruby_block) ⇒ Object
Registers hardware referencing method +name+ to the current namespace.
-
.space_top ⇒ Object
Gets the top of the namespaces stack.
-
.space_top=(top) ⇒ Object
sets the top namespace.
-
.top_block(level = 0) ⇒ Object
Gets the top enclosing block if any.
-
.top_user ⇒ Object
Gets construct whose namespace is the top of the namespaces stack.
Instance Method Summary collapse
-
#function(name, &ruby_block) ⇒ Object
Declares a function named +name+ using +ruby_block+ as body.
-
#infinity ⇒ Object
Gets the infinity.
-
#instance(name, *includes, &ruby_block) ⇒ Object
Declares a high-level system instance named +name+, with +includes+ mixins system types and using +ruby_block+ for instantiating.
-
#struct(content) ⇒ Object
Creates an unnamed structure type from a +content+.
-
#system(name = :"", *includes, &ruby_block) ⇒ Object
Declares a high-level system type named +name+, with +includes+ mixins system types and using +ruby_block+ for instantiating.
-
#this ⇒ Object
Gives access to the this reference.
-
#typedef(name, &ruby_block) ⇒ Object
Declares a high-level generic type named +name+, and using +ruby_block+ for construction.
Class Method Details
.booting? ⇒ Boolean
Tells HDLRuby is currently booting.
17 18 19 |
# File 'lib/HDLRuby/hruby_high.rb', line 17 def self.booting? true end |
.cur_behavior ⇒ Object
Gets the enclosing behavior if any.
3709 3710 3711 |
# File 'lib/HDLRuby/hruby_high.rb', line 3709 def self.cur_behavior return @@cur_behavior end |
.cur_block(level = 0) ⇒ Object
Gets the enclosing block if any.
NOTE: +level+ allows to get an upper block of the currently enclosing block.
3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 |
# File 'lib/HDLRuby/hruby_high.rb', line 3737 def self.cur_block(level = 0) if Namespaces[-1-level].user.is_a?(Scope) then raise AnyError, "Not within a block: #{Namespaces[-1-level].user.class}" elsif Namespaces[-1-level].user.is_a?(Block) then return Namespaces[-1-level].user else return cur_block(level+1) end end |
.cur_scope(level = 0) ⇒ Object
Gets the enclosing scope if any.
NOTE: +level+ allows to get an upper scope of the currently enclosing scope.
3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 |
# File 'lib/HDLRuby/hruby_high.rb', line 3722 def self.cur_scope(level = 0) if level < 0 then raise AnyError, "Not within a scope: #{Namespaces[-1].user.class}" end if Namespaces[-1-level].user.is_a?(Scope) then return Namespaces[-1-level].user else return cur_scope(level+1) end end |
.cur_system ⇒ Object
Gets the enclosing system type if any.
3695 3696 3697 3698 3699 3700 3701 3702 3703 |
# File 'lib/HDLRuby/hruby_high.rb', line 3695 def self.cur_system if Namespaces.size <= 1 then raise AnyError, "Not within a system type." else return Namespaces.reverse_each.find do |space| space.user.is_a?(Scope) and space.user.parent.is_a?(SystemT) end.user.parent end end |
.define_type(name) ⇒ Object
Defines a basic type +name+.
1496 1497 1498 1499 1500 1501 |
# File 'lib/HDLRuby/hruby_high.rb', line 1496 def self.define_type(name) name = name.to_sym type = Type.new(name) self.send(:define_method,name) { type } return type end |
.from_users(method) ⇒ Object
Gather the result of the execution of +method+ from all the users of the namespaces.
3670 3671 3672 3673 3674 3675 3676 3677 |
# File 'lib/HDLRuby/hruby_high.rb', line 3670 def self.from_users(method) Namespaces.reverse_each.reduce([]) do |res,space| user = space.user if user.respond_to?(method) then res += [*user.send(method)] end end end |
.in_behavior? ⇒ Boolean
Tell if we are in a behavior.
3714 3715 3716 |
# File 'lib/HDLRuby/hruby_high.rb', line 3714 def self.in_behavior? top_user.is_a?(Block) end |
.in_system? ⇒ Boolean
Tells if within a system type.
3690 3691 3692 |
# File 'lib/HDLRuby/hruby_high.rb', line 3690 def self.in_system? return Namespaces.size > 1 end |
.make_block(mode = nil, name = :"", &ruby_block) ⇒ Object
Creates a block executed in +mode+, with possible +name+, that can be timed or not depending on the enclosing object and build it by executing the enclosing +ruby_block+.
NOTE: not a method to include since it can only be used with a behavior or a block. Hence set as module method.
3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 |
# File 'lib/HDLRuby/hruby_high.rb', line 3486 def self.make_block(mode = nil, name = :"", &ruby_block) unless mode then # No type of block given, get a default one. if top_user.is_a?(Block) then # There is an upper block, use its mode. mode = top_user.mode else # There is no upper block, use :par as default. mode = :par end end if top_user.is_a?(TimeBlock) then return TimeBlock.new(mode,name,&ruby_block) else return Block.new(mode,name,&ruby_block) end end |
.make_time_block(mode = nil, name = :"", &ruby_block) ⇒ Object
Creates a specifically timed block in +mode+, with possible +name+ and build it by executing the enclosing +ruby_block+.
NOTE: not a method to include since it can only be used with a behavior or a block. Hence set as module method.
3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 |
# File 'lib/HDLRuby/hruby_high.rb', line 3509 def self.make_time_block(mode = nil, name = :"", &ruby_block) unless mode then # No type of block given, get a default one. if top_user.is_a?(Block) then # There is an upper block, use its mode. mode = block.mode else # There is no upper block, use :par as default. mode = :par end end return TimeBlock.new(mode,name,&ruby_block) end |
.names_add(name) ⇒ Object
Adds a +name+ to the top of the stack.
4285 4286 4287 |
# File 'lib/HDLRuby/hruby_high.rb', line 4285 def self.names_add(name) NameStack[-1].add(name.to_s) end |
.names_create(base) ⇒ Object
Creates and adds the new name from +base+ that do not collides with the exisiting names.
4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 |
# File 'lib/HDLRuby/hruby_high.rb', line 4298 def self.names_create(base) base = base.to_s.clone # Create a non-conflicting name if self.names_has?(base) then count = 0 while (self.names_has?(base + count.to_s)) do count += 1 end base << count.to_s end # Add and return it self.names_add(base) # puts "created name: #{base}" return base.to_sym end |
.names_has?(name) ⇒ Boolean
Checks if a +name+ is present in the stack.
4290 4291 4292 4293 4294 |
# File 'lib/HDLRuby/hruby_high.rb', line 4290 def self.names_has?(name) NameStack.find do |names| names.include?(name) end end |
.names_pop ⇒ Object
Pops from the name stack.
4280 4281 4282 |
# File 'lib/HDLRuby/hruby_high.rb', line 4280 def self.names_pop NameStack.pop end |
.names_push ⇒ Object
Pushes on the name stack.
4275 4276 4277 |
# File 'lib/HDLRuby/hruby_high.rb', line 4275 def self.names_push NameStack.push(Set.new) end |
.space_call(name, *args, &ruby_block) ⇒ Object
Looks up and calls method +name+ from the namespace stack with arguments +args+ and block +ruby_block+.
3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 |
# File 'lib/HDLRuby/hruby_high.rb', line 3770 def self.space_call(name,*args,&ruby_block) # print "space_call with name=#{name}\n" # Ensures name is a symbol. name = name.to_sym # Look from the top of the namespace stack. Namespaces.reverse_each do |space| # puts "space=#{space.singleton_methods}" if space.respond_to?(name) then # print "Found is space user with class=#{space.user.class}\n" # The method is found, call it. return space.send(name,*args,&ruby_block) elsif space.user.respond_to?(name) then # The method is found in the user, call it. return space.user.send(name,*args,&ruby_block) end end # Look in the global methods. if HDLRuby::High.respond_to?(name) then # Found. return HDLRuby::High.send(name,*args,&ruby_block) end # Not found. raise NotDefinedError, "undefined HDLRuby construct, local variable or method `#{name}'." end |
.space_each(&ruby_block) ⇒ Object
Iterates over each namespace.
Returns an enumerator if no ruby block is given.
3682 3683 3684 3685 3686 3687 |
# File 'lib/HDLRuby/hruby_high.rb', line 3682 def self.space_each(&ruby_block) # No ruby block? Return an enumerator. return to_enum(:space_each) unless ruby_block # A block? Apply it on each system instance. Namespaces.each(&ruby_block) end |
.space_include?(namespace) ⇒ Boolean
Tells if +namespace+ in included within the stack.
3640 3641 3642 |
# File 'lib/HDLRuby/hruby_high.rb', line 3640 def self.space_include?(namespace) return Namespaces.include?(namespace) end |
.space_index(namespace) ⇒ Object
Gets the index of a +namespace+ within the stack.
3645 3646 3647 |
# File 'lib/HDLRuby/hruby_high.rb', line 3645 def self.space_index(namespace) return Namespaces.index(namespace) end |
.space_insert(index, namespace) ⇒ Object
Inserts +namespace+ at +index+.
3627 3628 3629 |
# File 'lib/HDLRuby/hruby_high.rb', line 3627 def self.space_insert(index,namespace) Namespaces.insert(index.to_i,namespace.to_namespace) end |
.space_pop ⇒ Object
Pops a namespace.
3632 3633 3634 3635 3636 3637 |
# File 'lib/HDLRuby/hruby_high.rb', line 3632 def self.space_pop if Namespaces.size <= 1 then raise AnyError, "Internal error: cannot pop further namespaces." end Namespaces.pop end |
.space_push(namespace) ⇒ Object
Pushes +namespace+.
3619 3620 3621 3622 3623 3624 |
# File 'lib/HDLRuby/hruby_high.rb', line 3619 def self.space_push(namespace) # Emsure namespace is really a namespace. namespace = namespace.to_namespace # Adds the namespace to the top. Namespaces.push(namespace) end |
.space_reg(name, &ruby_block) ⇒ Object
Registers hardware referencing method +name+ to the current namespace.
3763 3764 3765 3766 |
# File 'lib/HDLRuby/hruby_high.rb', line 3763 def self.space_reg(name,&ruby_block) # print "registering #{name} in #{Namespaces[-1]}\n" Namespaces[-1].add_method(name,&ruby_block) end |
.space_top ⇒ Object
Gets the top of the namespaces stack.
3650 3651 3652 |
# File 'lib/HDLRuby/hruby_high.rb', line 3650 def self.space_top Namespaces[-1] end |
.space_top=(top) ⇒ Object
sets the top namespace.
3655 3656 3657 3658 3659 3660 |
# File 'lib/HDLRuby/hruby_high.rb', line 3655 def self.space_top=(top) unless top.is_a?(Namespace) then raise "Invalid class for a Namspace: #{top.class}" end Namespaces[-1] = top end |
.top_block(level = 0) ⇒ Object
Gets the top enclosing block if any.
3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 |
# File 'lib/HDLRuby/hruby_high.rb', line 3749 def self.top_block(level = 0) blk = cur_block(level) unless blk.is_a?(Block) raise AnyError, "Not within a block: #{blk.user.class}" end if Namespaces[-1-level-1].user.is_a?(Scope) then return blk else return top_block(level+1) end end |
.top_user ⇒ Object
Gets construct whose namespace is the top of the namespaces stack.
3664 3665 3666 |
# File 'lib/HDLRuby/hruby_high.rb', line 3664 def self.top_user self.space_top.user end |
Instance Method Details
#function(name, &ruby_block) ⇒ Object
Declares a function named +name+ using +ruby_block+ as body.
NOTE: a function is a short-cut for a method that creates a scope.
1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 |
# File 'lib/HDLRuby/hruby_high.rb', line 1836 def function(name, &ruby_block) if HDLRuby::High.in_system? then define_singleton_method(name.to_sym) do |*args| sub do HDLRuby::High.top_user.instance_exec(*args,&ruby_block) # ruby_block.call(*args) end end else define_method(name.to_sym) do |*args| sub do HDLRuby::High.top_user.instance_exec(*args,&ruby_block) end end end end |
#infinity ⇒ Object
Gets the infinity.
25 26 27 |
# File 'lib/HDLRuby/hruby_high.rb', line 25 def infinity return HDLRuby::Infinity end |
#instance(name, *includes, &ruby_block) ⇒ Object
Declares a high-level system instance named +name+, with +includes+ mixins system types and using +ruby_block+ for instantiating.
NOTE: this is for generating directly an instance without declaring it system type.
1824 1825 1826 1827 1828 1829 |
# File 'lib/HDLRuby/hruby_high.rb', line 1824 def instance(name, *includes, &ruby_block) # Creates the system type. systemT = system(:"",*includes,&ruby_block) # Instantiate it with +name+. return systemT.instantiate(name) end |
#struct(content) ⇒ Object
Creates an unnamed structure type from a +content+.
1770 1771 1772 |
# File 'lib/HDLRuby/hruby_high.rb', line 1770 def struct(content) return TypeStruct.new(:"",:little,content) end |
#system(name = :"", *includes, &ruby_block) ⇒ Object
Declares a high-level system type named +name+, with +includes+ mixins system types and using +ruby_block+ for instantiating.
1813 1814 1815 1816 1817 |
# File 'lib/HDLRuby/hruby_high.rb', line 1813 def system(name = :"", *includes, &ruby_block) # print "system ruby_block=#{ruby_block}\n" # Creates the resulting system. return SystemT.new(name,*includes,&ruby_block) end |
#this ⇒ Object
Gives access to the this reference.
2891 2892 2893 |
# File 'lib/HDLRuby/hruby_high.rb', line 2891 def this RefThis.new end |
#typedef(name, &ruby_block) ⇒ Object
Declares a high-level generic type named +name+, and using +ruby_block+ for construction.
1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 |
# File 'lib/HDLRuby/hruby_high.rb', line 1778 def typedef(name, &ruby_block) type = TypeGen.new(name,&ruby_block) if HDLRuby::High.in_system? then # Must be inside a scope. unless HDLRuby::High.top_user.is_a?(Scope) then raise AnyError, "A local type cannot be declared within a #{HDLRuby::High.top_user.class}." end define_singleton_method(name.to_sym) do |*args| if (args.size < ruby_block.arity) then # Not enough arguments get generic type as is. type else # There are arguments, specialize the type. gtype = type.generate(*args) # And add it as a local type of the system. HDLRuby::High.top_user.add_type(gtype) end end else define_method(name.to_sym) do |*args| if (args.size < ruby_block.arity) then # Not enough arguments, get generic type as is. type else # There are arguments, specialize the type. type.generate(*args) end end end end |