Class: LibFST::Writer::Variable

Inherits:
Object
  • Object
show all
Defined in:
ext/libfst_rb.c

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#alias_of ⇒ Variable? (readonly)

Returns:

#direction ⇒ Symbol (readonly)

Returns either :implicit, :input, :output, :inout, :buffer or :linkage.

Returns:

  • (Symbol) —

    either :implicit, :input, :output, :inout, :buffer or :linkage

#handle ⇒ Integer (readonly)

Returns:

  • (Integer)

#length ⇒ Integer (readonly)

Returns:

  • (Integer)

#name ⇒ String (readonly)

Returns:

  • (String)

#sup_data_type ⇒ Symbol? (readonly)

Returns supplemental data type, either :none, :vhdl_boolean, :vhdl_bit, :vhdl_bit_vector, :vhdl_std_ulogic, :vhdl_std_ulogic_vector, :vhdl_std_logic, :vhdl_std_logic_vector, :vhdl_unsigned, :vhdl_signed, :vhdl_integer, :vhdl_real, :vhdl_natural, :vhdl_positive, :vhdl_time, :vhdl_character or :vhdl_string.

Returns:

  • (Symbol, nil) —

    supplemental data type, either :none, :vhdl_boolean, :vhdl_bit, :vhdl_bit_vector, :vhdl_std_ulogic, :vhdl_std_ulogic_vector, :vhdl_std_logic, :vhdl_std_logic_vector, :vhdl_unsigned, :vhdl_signed, :vhdl_integer, :vhdl_real, :vhdl_natural, :vhdl_positive, :vhdl_time, :vhdl_character or :vhdl_string

#sup_type_str ⇒ String? (readonly)

Returns supplemental type string.

Returns:

  • (String, nil) —

    supplemental type string

#sup_var_type ⇒ Symbol? (readonly)

Returns supplemental variable type, either :none, :vhdl_signal, :vhdl_variable, :vhdl_constant, :vhdl_file or :vhdl_memory.

Returns:

  • (Symbol, nil) —

    supplemental variable type, either :none, :vhdl_signal, :vhdl_variable, :vhdl_constant, :vhdl_file or :vhdl_memory

#type ⇒ Symbol (readonly)

Returns either :vcd_event, :vcd_integer, :vcd_parameter, :vcd_real, :vcd_real_parameter, :vcd_reg, :vcd_supply0, :vcd_supply1, :vcd_time, :vcd_tri, :vcd_triand, :vcd_trior, :vcd_trireg, :vcd_tri0, :vcd_tri1, :vcd_wand, :vcd_wire, :vcd_wor, :vcd_port, :vcd_sparray, :vcd_realtime, :gen_string, :sv_bit, :sv_logic, :sv_int, :sv_shortint, :sv_longint, :sv_byte, :sv_enum or :sv_shortreal.

Returns:

  • (Symbol) —

    either :vcd_event, :vcd_integer, :vcd_parameter, :vcd_real, :vcd_real_parameter, :vcd_reg, :vcd_supply0, :vcd_supply1, :vcd_time, :vcd_tri, :vcd_triand, :vcd_trior, :vcd_trireg, :vcd_tri0, :vcd_tri1, :vcd_wand, :vcd_wire, :vcd_wor, :vcd_port, :vcd_sparray, :vcd_realtime, :gen_string, :sv_bit, :sv_logic, :sv_int, :sv_shortint, :sv_longint, :sv_byte, :sv_enum or :sv_shortreal

#writer ⇒ Writer (readonly)

Returns:

Instance Method Details

#value ⇒ Object

Return the last set value.

Returns:

  • (Object) 


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# File 'ext/libfst_rb.c', line 2242

static VALUE libfst_writervariable_get_value(VALUE self)
{
  return rb_ivar_get(self, id_at_value);
}

#value=(value) ⇒ Object

Emit the given value.

Parameters:

  • value (String, Integer, Float, nil)

Returns:

  • (Object) —

    value



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# File 'ext/libfst_rb.c', line 2178

static VALUE libfst_writervariable_emit_value(VALUE self, VALUE value)
{
  VALUE rbtype = rb_ivar_get(self, id_at_type);
  enum fstVarType type = symbol_to_fstVarType(rbtype);
  switch (type) {
    case FST_VT_VCD_REG:
    case FST_VT_VCD_SUPPLY0:
    case FST_VT_VCD_SUPPLY1:
    case FST_VT_VCD_TRI:
    case FST_VT_VCD_TRIAND:
    case FST_VT_VCD_TRIOR:
    case FST_VT_VCD_TRIREG:
    case FST_VT_VCD_TRI0:
    case FST_VT_VCD_TRI1:
    case FST_VT_VCD_WAND:
    case FST_VT_VCD_WIRE:
    case FST_VT_VCD_WOR:
    case FST_VT_VCD_PORT:
    case FST_VT_VCD_SPARRAY:
    case FST_VT_SV_BIT:
    case FST_VT_SV_LOGIC:
      libfst_writer_emit_logic(self, value);
      break;

    case FST_VT_VCD_REAL:
    case FST_VT_VCD_REAL_PARAMETER:
    case FST_VT_VCD_REALTIME:
    case FST_VT_SV_SHORTREAL:
      libfst_writer_emit_float(self, value);
      break;

    case FST_VT_VCD_INTEGER:
    case FST_VT_VCD_PARAMETER:
    case FST_VT_SV_INT:
    case FST_VT_SV_SHORTINT:
    case FST_VT_SV_LONGINT:
    case FST_VT_SV_BYTE:
    case FST_VT_VCD_TIME:
      libfst_writer_emit_integer(self, value);
      break;

    case FST_VT_GEN_STRING:
      libfst_writer_emit_string(self, value);
      break;

    case FST_VT_VCD_EVENT:
      libfst_writer_emit_event(self);
      break;

    case FST_VT_SV_ENUM:
      rb_raise(rb_eRuntimeError, "Sorry, I dont know how to handle enums =(");
      break;

    default:
      rb_raise(rb_eRuntimeError, "%s has invalid @type (%"PRIsVALUE")", rb_obj_classname(self), rbtype);
  }
  rb_ivar_set(self, id_at_value, value);
  return value;
}