Class: HDLRuby::High::Scope
- Inherits:
-
Low::Scope
- Object
- Low::Scope
- HDLRuby::High::Scope
- Includes:
- HScope_missing, Hinner, Hmux, SingletonExtend
- Defined in:
- lib/HDLRuby/hruby_high.rb
Overview
Describes a scope for a system type
Constant Summary collapse
Constants included from Low::Low2Symbol
Low::Low2Symbol::Low2SymbolPrefix, Low::Low2Symbol::Low2SymbolTable, Low::Low2Symbol::Symbol2LowTable
Instance Attribute Summary collapse
-
#name ⇒ Object
readonly
The name of the scope if any.
-
#namespace ⇒ Object
readonly
The namespace.
-
#return_value ⇒ Object
readonly
The return value when building the scope.
Attributes included from Low::Hparent
Instance Method Summary collapse
-
#add_export(name) ⇒ Object
Adds a +name+ to export.
-
#add_groupI(name, *instances) ⇒ Object
Adds a group of system +instances+ named +name+.
-
#add_inout(signal) ⇒ Object
Adds inout +signal+ in the current system.
-
#add_input(signal) ⇒ Object
Adds input +signal+ in the current system.
-
#add_output(signal) ⇒ Object
Adds output +signal+ in the current system.
-
#as(system) ⇒ Object
Casts as an included +system+.
-
#build(&ruby_block) ⇒ Object
Build the scope by executing +ruby_block+.
-
#build_top(base, *args) ⇒ Object
Builds the scope using +base+ as model scope with possible arguments +args+.
-
#code(*content, &ruby_block) ⇒ Object
Declares a non-HDLRuby set of code chunks described by +content+ and completed from +ruby_block+ execution result.
-
#each_export(&ruby_block) ⇒ Object
Iterates over the exported constructs.
-
#each_groupI(&ruby_block) ⇒ Object
Iterates over the group of system instances.
-
#each_included(&ruby_block) ⇒ Object
Iterates over the included systems.
-
#export(*names) ⇒ Object
Sets the constructs corresponding to +names+ as exports.
-
#fill_low(scopeLow) ⇒ Object
Fills a low level scope with self's contents.
-
#get_groupI(name) ⇒ Object
Access a group of system instances by +name+.
-
#hcase(value) ⇒ Object
Creates a new case statement with a +value+ used for deciding which block to execute.
-
#helse(mode = nil, &ruby_block) ⇒ Object
Sets the block executed when the condition is not met to the block in +mode+ generated by the execution of +ruby_block+.
-
#helsif(condition, mode = nil, &ruby_block) ⇒ Object
Sets the condition check when the condition is not met to the block, with a +condition+ that when met lead to the execution of the block in +mode+ generated by the +ruby_block+.
-
#hif(condition, mode = nil, &ruby_block) ⇒ Object
Creates a new if statement with a +condition+ that when met lead to the execution of the block in +mode+ generated by the +ruby_block+.
-
#hwhen(match, mode = nil, &ruby_block) ⇒ Object
Sets the block of a case structure executed when the +match+ is met to the block in +mode+ generated by the execution of +ruby_block+.
-
#include(system, *args) ⇒ Object
Include a +system+ type with possible +args+ instanciation arguments.
-
#initialize(name = :"", systemT = nil, &ruby_block) ⇒ Scope
constructor
Creates a new scope with possible +name+.
-
#inout(*names) ⇒ Object
Declares high-level bit inout signals named +names+ in the current system.
-
#input(*names) ⇒ Object
Declares high-level bit input signals named +names+ in the current system.
-
#make_inouts(type, *names) ⇒ Object
Creates and adds a set of inouts typed +type+ from a list of +names+ in the current system.
-
#make_inputs(type, *names) ⇒ Object
Creates and adds a set of inputs typed +type+ from a list of +names+ in the current system.
-
#make_outputs(type, *names) ⇒ Object
Creates and adds a set of outputs typed +type+ from a list of +names+ in the current system.
-
#open(&ruby_block) ⇒ Object
Opens for extension.
-
#output(*names) ⇒ Object
Declares high-level bit output signals named +names+ in the current system.
-
#par(*events, &ruby_block) ⇒ Object
Declares a high-level parallel behavior activated on a list of +events+, and built by executing +ruby_block+.
-
#seq(*events, &ruby_block) ⇒ Object
Declares a high-level sequential behavior activated on a list of +events+, and built by executing +ruby_block+.
-
#sub(name = :"", &ruby_block) ⇒ Object
Declares a sub scope with possible +name+ and built from +ruby_block+.
-
#timed(&ruby_block) ⇒ Object
Declares a high-level timed behavior built by executing +ruby_block+.
-
#to_low ⇒ Object
Converts the scope to HDLRuby::Low.
-
#to_ref ⇒ Object
Converts to a new reference.
-
#to_user ⇒ Object
Converts to a namespace user.
Methods included from Hmux
Methods included from HScope_missing
Methods included from Hmissing
Methods included from SingletonExtend
Methods included from Hinner
Methods inherited from Low::Scope
#add_behavior, #add_code, #add_connection, #add_inner, #add_scope, #add_systemI, #add_systemT, #add_type, #blocks2seq!, #boolean_in_assign2select!, #break_concat_assigns!, #break_types!, #c_code_allocate, #cleanup!, #delete_behavior!, #delete_connection!, #delete_inner!, #delete_scope!, #delete_systemI!, #delete_systemT!, #delete_type!, #delete_unless!, #each_behavior, #each_behavior_deep, #each_block_deep, #each_code, #each_connection, #each_connection_deep, #each_inner, #each_node_deep, #each_scope, #each_scope_deep, #each_signal, #each_signal_deep, #each_statement_deep, #each_systemI, #each_systemT, #each_type, #eql?, #explicit_types!, #extract_behaviors!, #extract_connections!, #extract_declares!, #extract_port_assign!, #get_all_inners, #get_by_name, #get_code, #get_inner, #get_signal, #get_systemI, #get_systemT, #get_type, #has_behavior?, #has_code?, #has_connection?, #has_inner?, #has_scope?, #has_signal?, #has_systemI?, #has_systemT?, #has_type?, #hash, #instance_port?, #last_behavior, #make_portw, #map_behaviors!, #map_connections!, #map_inners!, #map_scopes!, #map_systemIs!, #map_systemTs!, #map_types!, #mixblocks2seq!, #port_assign?, #portw2ref, #portw_name2sym, #replace_names!, #replace_names_subs!, #reverse_each_behavior, #select2case!, #sym2portw_name, #to_c, #to_ch, #to_high, #to_upper_space!, #to_vhdl, #top_scope, #with_port!
Methods included from Low::ForceName
Methods included from Low::Low2Symbol
Constructor Details
#initialize(name = :"", systemT = nil, &ruby_block) ⇒ Scope
Creates a new scope with possible +name+. If the scope is a top scope of a system, this systemT is given by +systemT+.
The proc +ruby_block+ is executed for building the scope. If no block is provided, the scope is the top of a system and is filled by the instantiation procedure of the system.
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# File 'lib/HDLRuby/hruby_high.rb', line 734 def initialize(name = :"", systemT = nil, &ruby_block) # Initialize the scope structure super(name) # Initialize the set of grouped system instances. @groupIs = {} # Creates the namespace. @namespace = Namespace.new(self) # Register the scope if it is not the top scope of a system # (in which case the system has already be registered with # the same name). unless name.empty? or systemT then # Named scope, set the hdl-like access to the scope. obj = self # For using the right self within the proc High.space_reg(name) { obj } end # Initialize the set of exported inner signals and instances @exports = {} # Initialize the set of included systems. @includes = {} # Builds the scope if a ruby block is provided # (which means the scope is not the top of a system). self.build(&ruby_block) if block_given? end |
Dynamic Method Handling
This class handles dynamic methods through the method_missing method in the class HDLRuby::High::HScope_missing
Instance Attribute Details
#name ⇒ Object (readonly)
The name of the scope if any.
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# File 'lib/HDLRuby/hruby_high.rb', line 718 def name @name end |
#namespace ⇒ Object (readonly)
The namespace
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# File 'lib/HDLRuby/hruby_high.rb', line 721 def namespace @namespace end |
#return_value ⇒ Object (readonly)
The return value when building the scope.
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# File 'lib/HDLRuby/hruby_high.rb', line 724 def return_value @return_value end |
Instance Method Details
#add_export(name) ⇒ Object
Adds a +name+ to export.
NOTE: if the name do not corresponds to any inner signal nor instance, raise an exception.
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# File 'lib/HDLRuby/hruby_high.rb', line 805 def add_export(name) # Check the name. name = name.to_sym # Look for construct to make public. # Maybe it is an inner signals. inner = self.get_inner(name) if inner then # Yes set it as export. @exports[name] = inner return end # No, maybe it is an instance. instance = self.get_systemI(name) if instance then # Yes, set it as export. @exports[name] = instance return end # No, error. raise AnyError, "Invalid name for export: #{name}" end |
#add_groupI(name, *instances) ⇒ Object
Adds a group of system +instances+ named +name+.
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# File 'lib/HDLRuby/hruby_high.rb', line 770 def add_groupI(name, *instances) # Ensure name is a symbol and is not already used for another # group. name = name.to_sym if @groupIs.key?(name) raise AnyError, "Group of system instances named #{name} already exist." end # Add the group. @groupIs[name.to_sym] = instances # Sets the parent of the instances. instances.each { |instance| instance.parent = self } end |
#add_inout(signal) ⇒ Object
Adds inout +signal+ in the current system.
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# File 'lib/HDLRuby/hruby_high.rb', line 909 def add_inout(signal) self.parent.add_inout(signal) end |
#add_input(signal) ⇒ Object
Adds input +signal+ in the current system.
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# File 'lib/HDLRuby/hruby_high.rb', line 899 def add_input(signal) self.parent.add_input(signal) end |
#add_output(signal) ⇒ Object
Adds output +signal+ in the current system.
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# File 'lib/HDLRuby/hruby_high.rb', line 904 def add_output(signal) self.parent.add_output(signal) end |
#as(system) ⇒ Object
Casts as an included +system+.
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# File 'lib/HDLRuby/hruby_high.rb', line 1157 def as(system) # puts "as with name: #{system.name}" system = system.name if system.respond_to?(:name) # puts "includes are: #{@includes.keys}" return @includes[system].namespace end |
#build(&ruby_block) ⇒ Object
Build the scope by executing +ruby_block+.
NOTE: used when the scope is not the top of a system.
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# File 'lib/HDLRuby/hruby_high.rb', line 866 def build(&ruby_block) # Set the namespace for buidling the scope. High.space_push(@namespace) # Build the scope. @return_value = High.top_user.instance_eval(&ruby_block) High.space_pop @return_value end |
#build_top(base, *args) ⇒ Object
Builds the scope using +base+ as model scope with possible arguments +args+.
NOTE: Used by the instantiation procedure of a system.
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# File 'lib/HDLRuby/hruby_high.rb', line 880 def build_top(base,*args) # Fills its namespace with the content of the base scope # (this latter may already contains access points if it has been # opended for extension previously). @namespace.concat_namespace(base.namespace) High.space_push(@namespace) # Execute the instantiation block # instance_proc = base.parent.instance_proc if base.parent.respond_to?(:instance_proc) # @return_value = High.top_user.instance_exec(*args,&instance_proc) if instance_proc base.parent.each_instance_proc do |instance_proc| @return_value = High.top_user.instance_exec(*args,&instance_proc) end High.space_pop end |
#code(*content, &ruby_block) ⇒ Object
Declares a non-HDLRuby set of code chunks described by +content+ and completed from +ruby_block+ execution result. NOTE: content includes the events to activate the code on and a description of the code as a hash assotiating names to code text.
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# File 'lib/HDLRuby/hruby_high.rb', line 970 def code(*content, &ruby_block) # Process the content. # Separate events from code chunks descriptions. events, chunks = content.partition {|elem| elem.is_a?(Event) } # Generates a large hash from the code. chunks = chunks.reduce(:merge) # Adds the result of the ruby block if any. if ruby_block then chunks.merge(HDLRuby::High.top_user.instance_eval(&ruby_block)) end # Create the chunk objects. chunks = chunks.each.map do |name,content| content = [*content] # Process the lumps content.map! do |lump| lump.respond_to?(:to_expr) ? lump.to_expr : lump end Chunk.new(name,*content) end # Create the code object. res = Code.new # Adds the events. events.each(&res.method(:add_event)) # Adds the chunks. chunks.each(&res.method(:add_chunk)) # Adds the resulting code to the current scope. HDLRuby::High.top_user.add_code(res) # Return the resulting code return res end |
#each_export(&ruby_block) ⇒ Object
Iterates over the exported constructs.
Returns an enumerator if no ruby block is given.
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# File 'lib/HDLRuby/hruby_high.rb', line 830 def each_export(&ruby_block) # No ruby block? Return an enumerator. return to_enum(:each_export) unless ruby_block # A block? Apply it on each input signal instance. @exports.each_value(&ruby_block) # And apply on the sub scopes if any. @scopes.each {|scope| scope.each_export(&ruby_block) } end |
#each_groupI(&ruby_block) ⇒ Object
Iterates over the group of system instances.
Returns an enumerator if no ruby block is given.
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# File 'lib/HDLRuby/hruby_high.rb', line 794 def each_groupI(&ruby_block) # No ruby block? Return an enumerator. return to_enum(:each_groupI) unless ruby_block # A block? Apply it on each input signal instance. @groupIs.each(&ruby_block) end |
#each_included(&ruby_block) ⇒ Object
Iterates over the included systems.
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# File 'lib/HDLRuby/hruby_high.rb', line 840 def each_included(&ruby_block) # No ruby block? Return an enumerator. return to_enum(:each_included) unless ruby_block # A block? Apply it on each included system. @includes.each_value(&ruby_block) # And apply on the sub scopes if any. @scopes.each {|scope| scope.each_included(&ruby_block) } end |
#export(*names) ⇒ Object
Sets the constructs corresponding to +names+ as exports.
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# File 'lib/HDLRuby/hruby_high.rb', line 1117 def export(*names) names.each {|name| self.add_export(name) } end |
#fill_low(scopeLow) ⇒ Object
Fills a low level scope with self's contents.
NOTE: name conflicts are treated in the current NameStack state.
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# File 'lib/HDLRuby/hruby_high.rb', line 1169 def fill_low(scopeLow) # Adds the content of its included systems. @includes.each_value {|system| system.scope.fill_low(scopeLow) } # Adds the declared local system types. # NOTE: in the current version of HDLRuby::High, there should not # be any of them (only eigen systems are real system types). self.each_systemT { |systemT| scopeLow.add_systemT(systemT.to_low) } # Adds the local types. self.each_type { |type| scopeLow.add_type(type.to_low) } # Adds the inner scopes. self.each_scope { |scope| scopeLow.add_scope(scope.to_low) } # Adds the inner signals. self.each_inner { |inner| scopeLow.add_inner(inner.to_low) } # Adds the instances. # Single ones. self.each_systemI do |systemI| # puts "Filling with systemI=#{systemI.name}" systemI_low = scopeLow.add_systemI(systemI.to_low) # Also add the eigen system to the list of local systems. scopeLow.add_systemT(systemI_low.systemT) end # Grouped ones. self.each_groupI do |name,systemIs| systemIs.each.with_index { |systemI,i| # Sets the name of the system instance # (required for conversion of further accesses). # puts "systemI.respond_to?=#{systemI.respond_to?(:name=)}" systemI.name = name.to_s + "[#{i}]" # And convert it to low systemI_low = scopeLow.add_systemI(systemI.to_low()) # Also add the eigen system to the list of local systems. scopeLow.add_systemT(systemI_low.systemT) } end # Adds the code chunks. self.each_code { |code| scopeLow.add_code(code.to_low) } # Adds the connections. self.each_connection { |connection| # puts "connection=#{connection}" scopeLow.add_connection(connection.to_low) } # Adds the behaviors. self.each_behavior { |behavior| scopeLow.add_behavior(behavior.to_low) } end |
#get_groupI(name) ⇒ Object
Access a group of system instances by +name+.
NOTE: the result is a copy of the group for avoiding side effects.
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# File 'lib/HDLRuby/hruby_high.rb', line 787 def get_groupI(name) return @groupIs[name.to_sym].clone end |
#hcase(value) ⇒ Object
Creates a new case statement with a +value+ used for deciding which block to execute.
NOTE:
- the when part is defined through the hwhen method.
- a new behavior is created to enclose the hcase.
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# File 'lib/HDLRuby/hruby_high.rb', line 1094 def hcase(value) self.par do hcase(value) end end |
#helse(mode = nil, &ruby_block) ⇒ Object
Sets the block executed when the condition is not met to the block in +mode+ generated by the execution of +ruby_block+.
Can only be used once.
NOTE: added to the hif of the last behavior.
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# File 'lib/HDLRuby/hruby_high.rb', line 1063 def helse(mode = nil, &ruby_block) # There is a ruby_block: the helse is assumed to be with # the last statement of the last behavior. statement = self.last_behavior.last_statement # Completes the hif or the hcase statement. unless statement.is_a?(If) or statement.is_a?(Case) then raise AnyError, "Error: helse statement without hif nor hcase (#{statement.class})." end statement.helse(mode, &ruby_block) end |
#helsif(condition, mode = nil, &ruby_block) ⇒ Object
Sets the condition check when the condition is not met to the block, with a +condition+ that when met lead to the execution of the block in +mode+ generated by the +ruby_block+.
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# File 'lib/HDLRuby/hruby_high.rb', line 1077 def helsif(condition, mode = nil, &ruby_block) # There is a ruby_block: the helse is assumed to be with # the last statement of the last behavior. statement = self.last_behavior.last_statement # Completes the hif statement. unless statement.is_a?(If) then raise AnyError, "Error: helsif statement without hif (#{statement.class})." end statement.helsif(condition, mode, &ruby_block) end |
#hif(condition, mode = nil, &ruby_block) ⇒ Object
Creates a new if statement with a +condition+ that when met lead to the execution of the block in +mode+ generated by the +ruby_block+.
NOTE:
- the else part is defined through the helse method.
- a behavior is created to enclose the hif.
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# File 'lib/HDLRuby/hruby_high.rb', line 1051 def hif(condition, mode = nil, &ruby_block) self.par do hif(condition,mode,&ruby_block) end end |
#hwhen(match, mode = nil, &ruby_block) ⇒ Object
Sets the block of a case structure executed when the +match+ is met to the block in +mode+ generated by the execution of +ruby_block+.
Can only be used once.
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# File 'lib/HDLRuby/hruby_high.rb', line 1104 def hwhen(match, mode = nil, &ruby_block) # There is a ruby_block: the helse is assumed to be with # the last statement of the last behavior. statement = @behaviors.last.last_statement # Completes the hcase statement. unless statement.is_a?(Case) then raise AnyError, "Error: hwhen statement without hcase (#{statement.class})." end statement.hwhen(match, mode, &ruby_block) end |
#include(system, *args) ⇒ Object
Include a +system+ type with possible +args+ instanciation arguments.
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# File 'lib/HDLRuby/hruby_high.rb', line 1123 def include(system,*args) if @includes.key?(system.name) then raise AnyError, "Cannot include twice the same system." end # puts "Include system=#{system.name}" # Save the name of the included system, it will serve as key # for looking for the included expanded version. include_name = system.name # Expand the system to include system = system.(:"",*args) # Add the included system interface to the current one. if self.parent.is_a?(SystemT) then space = self.namespace # Interface signals # puts "i_name=#{i_name} @to_includes=#{@to_includes.size}" system.each_signal_with_included do |signal| # puts "signal=#{signal.name}" space.send(:define_singleton_method,signal.name) do signal end end # Exported objects system.each_export do |export| # puts "export=#{export.name}" space.send(:define_singleton_method,export.name) do export end end end # Adds it the list of includeds @includes[include_name] = system end |
#inout(*names) ⇒ Object
Declares high-level bit inout signals named +names+ in the current system.
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# File 'lib/HDLRuby/hruby_high.rb', line 961 def inout(*names) self.parent.inout(*names) end |
#input(*names) ⇒ Object
Declares high-level bit input signals named +names+ in the current system.
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# File 'lib/HDLRuby/hruby_high.rb', line 949 def input(*names) self.parent.input(*names) end |
#make_inouts(type, *names) ⇒ Object
Creates and adds a set of inouts typed +type+ from a list of +names+ in the current system.
NOTE: a name can also be a signal, is which case it is duplicated.
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# File 'lib/HDLRuby/hruby_high.rb', line 933 def make_inouts(type, *names) self.parent.make_inouts(type,*names) end |
#make_inputs(type, *names) ⇒ Object
Creates and adds a set of inputs typed +type+ from a list of +names+ in the current system.
NOTE: a name can also be a signal, is which case it is duplicated.
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# File 'lib/HDLRuby/hruby_high.rb', line 917 def make_inputs(type, *names) self.parent.make_inputs(type,*names) end |
#make_outputs(type, *names) ⇒ Object
Creates and adds a set of outputs typed +type+ from a list of +names+ in the current system.
NOTE: a name can also be a signal, is which case it is duplicated.
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# File 'lib/HDLRuby/hruby_high.rb', line 925 def make_outputs(type, *names) self.parent.make_outputs(type,*names) end |
#open(&ruby_block) ⇒ Object
Opens for extension.
NOTE: actually executes +ruby_block+ in the context.
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# File 'lib/HDLRuby/hruby_high.rb', line 853 def open(&ruby_block) High.space_push(@namespace) res = High.top_user.instance_eval(&ruby_block) High.space_pop # Return the result of the execution so that it can be used # as an expression res end |
#output(*names) ⇒ Object
Declares high-level bit output signals named +names+ in the current system.
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# File 'lib/HDLRuby/hruby_high.rb', line 955 def output(*names) self.parent.output(*names) end |
#par(*events, &ruby_block) ⇒ Object
Declares a high-level parallel behavior activated on a list of +events+, and built by executing +ruby_block+.
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# File 'lib/HDLRuby/hruby_high.rb', line 1027 def par(*events, &ruby_block) # Preprocess the events. events.map! do |event| event.respond_to?(:to_event) ? event.to_event : event end # Create and add the resulting behavior. self.add_behavior(Behavior.new(:par,*events,&ruby_block)) end |
#seq(*events, &ruby_block) ⇒ Object
Declares a high-level sequential behavior activated on a list of +events+, and built by executing +ruby_block+.
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# File 'lib/HDLRuby/hruby_high.rb', line 1016 def seq(*events, &ruby_block) # Preprocess the events. events.map! do |event| event.respond_to?(:to_event) ? event.to_event : event end # Create and add the resulting behavior. self.add_behavior(Behavior.new(:seq,*events,&ruby_block)) end |
#sub(name = :"", &ruby_block) ⇒ Object
Declares a sub scope with possible +name+ and built from +ruby_block+.
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# File 'lib/HDLRuby/hruby_high.rb', line 1002 def sub(name = :"", &ruby_block) # Creates the new scope. scope = Scope.new(name,&ruby_block) # puts "new scope=#{scope}" # Add it self.add_scope(scope) # puts "self=#{self}" # puts "self scopes=#{self.each_scope.to_a.join(",")}" # Use its return value return scope.return_value end |
#timed(&ruby_block) ⇒ Object
Declares a high-level timed behavior built by executing +ruby_block+. By default, timed behavior are sequential.
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# File 'lib/HDLRuby/hruby_high.rb', line 1038 def timed(&ruby_block) # Create and add the resulting behavior. self.add_behavior(TimeBehavior.new(:seq,&ruby_block)) end |
#to_low ⇒ Object
Converts the scope to HDLRuby::Low.
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# File 'lib/HDLRuby/hruby_high.rb', line 1217 def to_low() # Create the resulting low scope. scopeLow = HDLRuby::Low::Scope.new() # Push the private namespace for the low generation. High.space_push(@namespace) # Pushes on the name stack for converting the internals of # the system. High.names_push # Adds the content of the actual system. self.fill_low(scopeLow) # Restores the name stack. High.names_pop # Restores the namespace stack. High.space_pop # Return theresulting system. return scopeLow end |
#to_ref ⇒ Object
Converts to a new reference.
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# File 'lib/HDLRuby/hruby_high.rb', line 938 def to_ref return RefObject.new(this,self) end |
#to_user ⇒ Object
Converts to a namespace user.
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# File 'lib/HDLRuby/hruby_high.rb', line 764 def to_user # Already a user. return self end |