Class: HDLRuby::Low::SystemI

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Includes:
Hparent, Low2Symbol
Defined in:
lib/HDLRuby/hruby_low.rb,
lib/HDLRuby/hruby_low2c.rb,
lib/HDLRuby/hruby_low2hdr.rb,
lib/HDLRuby/hruby_low2sym.rb,
lib/HDLRuby/hruby_low2vhd.rb,
lib/HDLRuby/hruby_low2high.rb,
lib/HDLRuby/hruby_low_mutable.rb,
lib/HDLRuby/hruby_low_resolve.rb,
lib/HDLRuby/hruby_low_skeleton.rb,
lib/HDLRuby/hruby_low_with_var.rb,
lib/HDLRuby/hruby_low_with_port.rb,
lib/HDLRuby/hruby_low_without_namespace.rb

Overview

Describes a system instance.

NOTE: an instance can actually represented muliple layers of systems, the first one being the one actually instantiated in the final RTL code. This layering can be used for describing software or partial (re)configuration.

Direct Known Subclasses

High::SystemI

Constant Summary

Constants included from Low2Symbol

Low2Symbol::Low2SymbolPrefix, Low2Symbol::Low2SymbolTable, Low2Symbol::Symbol2LowTable

Instance Attribute Summary collapse

Attributes included from Hparent

#parent

Instance Method Summary collapse

Methods included from Low2Symbol

#to_sym

Methods included from Hparent

#absolute_ref, #hierarchy, #no_parent!, #scope

Constructor Details

#initialize(name, systemT) ⇒ SystemI

Creates a new system instance of system type +systemT+ named +name+.



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# File 'lib/HDLRuby/hruby_low.rb', line 2817

def initialize(name, systemT)
    # Set the name as a symbol.
    @name = name.to_sym
    # Check and set the systemT.
    if !systemT.is_a?(SystemT) then
        raise AnyError, "Invalid class for a system type: #{systemT.class}"
    end
    # Sets the instantiated system.
    @systemT = systemT

    # Initialize the list of system layers, the first one
    # being the instantiated system.
    @systemTs = [ @systemT ]
end

Instance Attribute Details

#name ⇒ Object

The name of the instance if any.



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# File 'lib/HDLRuby/hruby_low.rb', line 2811

def name
  @name
end

#systemT ⇒ Object (readonly)

The instantiated system.



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# File 'lib/HDLRuby/hruby_low.rb', line 2814

def systemT
  @systemT
end

Instance Method Details

#add_systemT(systemT) ⇒ Object

Adds a system configuration.



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# File 'lib/HDLRuby/hruby_low.rb', line 2869

def add_systemT(systemT)
    # puts "add_systemT #{systemT.name} to systemI #{self.name}"
    # Check and add the systemT.
    if !systemT.is_a?(SystemT) then
        raise AnyError, "Invalid class for a system type: #{systemT.class}"
    end
    # Set the base configuration of the added system.
    systemT.wrapper = self.systemT
    # Add it.
    @systemTs << systemT
end

#each_arrow_deep ⇒ Object

See Also:

  • SystemT#each_arrow_deep


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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_behavior ⇒ Object

See Also:

  • SystemT#each_behavior


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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_behavior_deep ⇒ Object

See Also:

  • SystemT#each_behavior_deep


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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_block_deep ⇒ Object

See Also:

  • SystemT#each_block_deep


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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_connection ⇒ Object

See Also:

  • SystemT#each_connection


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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_connection_deep ⇒ Object

See Also:

  • SystemT#each_connection_deep


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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_deep(&ruby_block) ⇒ Object

Iterates over each object deeply.

Returns an enumerator if no ruby block is given.



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# File 'lib/HDLRuby/hruby_low.rb', line 2838

def each_deep(&ruby_block)
    # No ruby block? Return an enumerator.
    return to_enum(:each_deep) unless ruby_block
    # A ruby block? First apply it to current.
    ruby_block.call(self)
    
    # Do not recurse on the systemTs since necesarily processed
    # before!
end

#each_inner ⇒ Object

See Also:

  • SystemT#each_inner


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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_inout ⇒ Object

See Also:



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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_input ⇒ Object

See Also:



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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_output ⇒ Object

See Also:



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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_sensitive_deep ⇒ Object

See Also:

  • SystemT#each_sensitive_deep


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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_signal ⇒ Object

See Also:



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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_signal_deep ⇒ Object

See Also:



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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_statement_deep ⇒ Object

See Also:

  • SystemT#each_statement_deep


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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_systemI ⇒ Object

See Also:

  • SystemT#each_systemI


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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#each_systemT(&ruby_block) ⇒ Object

Iterates over the system layers.



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# File 'lib/HDLRuby/hruby_low.rb', line 2882

def each_systemT(&ruby_block)
    # No ruby block? Return an enumerator.
    return to_enum(:each_systemT) unless ruby_block
    # A ruby block? Apply it on the system layers.
    @systemTs.each(&ruby_block)
end

#eql?(obj) ⇒ Boolean

Comparison for hash: structural comparison.

Returns:

  • (Boolean) 


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# File 'lib/HDLRuby/hruby_low.rb', line 2849

def eql?(obj)
    return false unless obj.is_a?(SystemI)
    return false unless @name.eql?(obj.name)
    return false unless @systemT.eql?(obj.systemT)
    return true
end

#get_by_name(name) ⇒ Object

Find an inner object by +name+. NOTE: return nil if not found.



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# File 'lib/HDLRuby/hruby_low_resolve.rb', line 80

def get_by_name(name)
    # Look into the eigen system.
    return self.systemT.get_by_name(name)
end

#get_inner ⇒ Object

See Also:

  • SystemT#get_inner


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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#get_inout ⇒ Object

See Also:



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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#get_input ⇒ Object

See Also:



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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#get_output ⇒ Object

See Also:



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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#get_signal ⇒ Object

See Also:



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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#get_systemI ⇒ Object

See Also:

  • SystemT#get_systemI


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# File 'lib/HDLRuby/hruby_low.rb', line 2936

def_delegators :@systemT,
:each_input, :each_output, :each_inout, :each_inner,
:each_signal, :each_signal_deep,
:get_input, :get_output, :get_inout, :get_inner,
:get_signal, :get_interface,
:each_systemI, :get_systemI,
:each_connection, :each_connection_deep,
:each_statement_deep, :each_arrow_deep,
:each_behavior, :each_behavior_deep, :each_block_deep,
:each_sensitive_deep

#hash ⇒ Object

Hash function.



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# File 'lib/HDLRuby/hruby_low.rb', line 2857

def hash
    return [@name,@systemT].hash
end

#replace_names!(former, nname) ⇒ Object

Replaces recursively +former+ name by +nname+ until it is redeclared.



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# File 'lib/HDLRuby/hruby_low_without_namespace.rb', line 437

def replace_names!(former,nname)
    # Replace owns name if required.
    if self.name == former then
        self.set_name!(nname)
    end
    # Not needed since treated through scope and systemT.
    # # Recurse on the system type.
    # self.systemT.replace_names!(former,nname)
end

#set_name!(name) ⇒ Object

Sets the name.



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# File 'lib/HDLRuby/hruby_low_mutable.rb', line 502

def set_name!(name)
    # Set the name as a symbol.
    @name = name.to_sym
end

#set_systemT(systemT) ⇒ Object

Sets the systemT.



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# File 'lib/HDLRuby/hruby_low_mutable.rb', line 508

def set_systemT(systemT)
    # Check and set the systemT.
    if !systemT.is_a?(SystemT) then
        raise AnyError, "Invalid class for a system type: #{systemT.class}"
    end
    @systemT = systemT
end

#to_c(res, level = 0) ⇒ Object

Generates the C text of the equivalent HDLRuby code. +level+ is the hierachical level of the object. def to_c(level = 0)



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# File 'lib/HDLRuby/hruby_low2c.rb', line 1098

def to_c(res,level = 0)
    # The resulting string.
    # res = ""

    # Declare the global variable holding the signal.
    res << "SystemI " << Low2C.obj_name(self) << ";\n\n"

    # The header of the signal generation.
    res << " " * level*3
    res << "SystemI " << Low2C.make_name(self) << "() {\n"
    res << " " * (level+1)*3
    res << "SystemI systemI = malloc(sizeof(SystemIS));\n"
    res << " " * (level+1)*3
    res << "systemI->kind = SYSTEMI;\n";

    # Sets the global variable of the system instance.
    res << "\n"
    res << " " * (level+1)*3
    res << Low2C.obj_name(self) << " = systemI;\n"

    # Set the owner if any.
    if self.parent then
        res << " " * (level+1)*3
        res << "systemI->owner = (Object)"
        res << Low2C.obj_name(self.parent) << ";\n"
    else
        res << "systemI->owner = NULL;\n"
    end

    # Set the name
    res << " " * (level+1)*3
    res << "systemI->name = \"#{self.name}\";\n"
    # # Set the type.
    # res << " " * (level+1)*3
    # res << "systemI->system = " << Low2C.obj_name(self.systemT) << ";\n"
    # Set the systems.
    num_sys = self.each_systemT.to_a.size
    res << " " * (level+1)*3
    res << "systemI->num_systems = #{num_sys};\n"
    res << " " * (level+1)*3
    res << "systemI->systems = calloc(sizeof(SystemT), #{num_sys});\n"
    self.each_systemT.with_index do |sysT,i|
        res << " " * (level+1)*3
        res << "systemI->systems[#{i}] = #{Low2C.obj_name(sysT)};\n"
    end

    # Configure the instance to current systemT.
    res << (" " * (level*3)) << "configure(systemI,0);\n"

    # Generate the return of the signal.
    res << "\n"
    res << " " * (level+1)*3
    res << "return systemI;\n"

    # Close the signal.
    res << " " * level*3
    res << "};\n\n"
    return res
end

#to_ch(res) ⇒ Object

Generates the content of the h file. def to_ch



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# File 'lib/HDLRuby/hruby_low2c.rb', line 1160

def to_ch(res)
    # res = ""
    # Declare the global variable holding the signal.
    res << "extern SystemI " << Low2C.obj_name(self) << ";\n\n"

    # Generate the access to the function making the systemT. */
    res << "extern SystemI " << Low2C.make_name(self) << "();\n\n"

    return res
end

#to_hdr(level = 0) ⇒ Object

Generates the text of the equivalent hdr text. +level+ is the hierachical level of the object.



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# File 'lib/HDLRuby/hruby_low2hdr.rb', line 320

def to_hdr(level = 0)
    return Low2HDR.hdr_call_name(self.systemT.name,
           ":" + Low2HDR.hdr_decl_name(self.name))
end

#to_high ⇒ Object

Creates a new high system instance.



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# File 'lib/HDLRuby/hruby_low2high.rb', line 214

def to_high
    return HDLRuby::High::SystemI.new(self.name,self.systemT.to_high)
end

#to_vhdl(level = 0) ⇒ Object

Generates the text of the equivalent HDLRuby::High code. +level+ is the hierachical level of the object.

Raises:



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# File 'lib/HDLRuby/hruby_low2vhd.rb', line 888

def to_vhdl(level = 0)
    # Should never be here.
    raise AnyError, "Internal error: to_vhdl should be implemented in class :#{self.class}"
end

#with_port! ⇒ Object

Extends SystemT with generation of port wires.



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# File 'lib/HDLRuby/hruby_low_with_port.rb', line 176

def with_port!
    self.systemT.with_port!
    return self
end

#with_var! ⇒ Object

Converts to a variable-compatible system.

NOTE: the result is the same systemT.



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# File 'lib/HDLRuby/hruby_low_with_var.rb', line 39

def with_var!
    self.systemT.with_var!
    return self
end