def build_constants(self):
template = textwrap.dedent("""\
type self_t_const is record
{DATA}
end record;""")
data = [
x._pyha_definition() for x in self.data.elems if const_filter(x)
]
if not data:
data = ['DUMMY: integer;']
return template.format(DATA=formatter(data))
def build_data_structs(self):
template = textwrap.dedent("""\
type self_t is record
{DATA}
end record;""")
data = [
x._pyha_definition() for x in self.data.elems
if not is_constant(x._name)
]
if not data:
data = ['dummy: integer;']
return template.format(DATA=formatter(data))
def build_constructor(self, prototype_only=False):
template = textwrap.dedent("""\
function {NAME}{ARGS} return self_t is
-- constructor
variable self: self_t;
begin
{DATA}
return self;
end function;""")
data = [x._pyha_constructor() for x in self.data.elems]
args = '; '.join([
x._pyha_constructor_arg() for x in self.data.elems
if x._pyha_constructor_arg() != ''
])
if args != '':
args = f'({args[:-2]})' if args[-2:] == '; ' else f'({args})'
ret = template.format(NAME=escape_reserved_vhdl(self.name),
ARGS=args,
DATA=formatter(data))
if prototype_only:
return ret.splitlines()[0][:-3] + ';'
return ret
def build_imports(self):
template = textwrap.dedent("""\
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
use ieee.fixed_float_types.all;
use ieee.fixed_pkg.all;
use ieee.math_real.all;
library work;
use work.complex_pkg.all;
use work.PyhaUtil.all;
use work.Typedefs.all;
use work.all;
{IMPORTS}""")
# add all converted classes to imports
# look: https://github.com/tgingold/ghdl/issues/209
from pyha.conversion.conversion import RecursiveConverter
imports = [
f'use work.{x}.all;'
for x in RecursiveConverter.converted_modules.keys()
]
return template.format(IMPORTS=formatter(imports))
def make_ram_edge(self, rams):
data = [f'\tself.{name}.data(self_next.{name}.write_address) <= self_next.{name}.write_value;\n' \
f'\tself.{name}.read_reg <= self.{name}.data(self_next.{name}.read_address);\n\n' for name in rams]
return formatter(data)
def make_ram_resets(self, rams):
data = [f'self.{x} <= self.{x};' for x in rams]
return formatter(data)
def make_constants(self):
data = [
x._pyha_reset(filter_func=const_filter)
for x in self.simulated_object_vhdl.elems
]
return formatter(data)
def make_reset(self):
data = [
x._pyha_reset(filter_func=lambda x: not is_constant(x._name))
for x in self.simulated_object_vhdl.elems
]
return formatter(data)