#!/usr/bin/env python
"""Like pnodes but output for python"""
from __future__ import print_function
import pnodes
import re
libname = 'libghdl'
def print_enum(name, vals):
print()
print()
print('class {0}:'.format(name))
for n, k in enumerate(vals):
if k == 'None':
k = 'PNone'
print(' {0} = {1}'.format(k, n))
def do_class_kinds():
print_enum(pnodes.prefix_name.rstrip('_'), pnodes.kinds)
print()
print()
print('class Iir_Kinds:')
for k, v in pnodes.kinds_ranges.items():
print(' {0} = ['.format(k))
first = True
for e in v:
if first:
first = False
else:
print(',')
print(' Iir_Kind.{}'.format(e), end='')
print(']')
print()
def do_iirs_subprg():
classname = 'vhdl__nodes'
print()
print('Get_Kind = {0}.{1}__get_kind'.format(libname, classname))
print('Get_Location = {0}.{1}__get_location'.format(libname, classname))
for k in pnodes.funcs:
print()
print('Get_{0} = {1}.{2}__get_{3}'.format(
k.name, libname, classname, k.name.lower()))
print()
print('Set_{0} = {1}.{2}__set_{3}'.format(
k.name, libname, classname, k.name.lower(), k.pname, k.rname))
def do_libghdl_elocations():
classname = 'vhdl__elocations'
print('from libghdl import libghdl')
print()
for k in pnodes.funcs:
print()
print('Get_{0} = {1}.{2}__get_{3}'.format(
k.name, libname, classname, k.name.lower()))
print()
print('Set_{0} = {1}.{2}__set_{3}'.format(
k.name, libname, classname, k.name.lower(), k.pname, k.rname))
def do_class_types():
print_enum('types', pnodes.get_types())
def do_types_subprg():
print()
for k in pnodes.get_types():
print()
print('Get_{0} = {1}.vhdl__nodes_meta__get_{2}'.format(
k, libname, k.lower()))
def do_has_subprg():
print()
for f in pnodes.funcs:
print()
print('Has_{0} =\\'.format(f.name))
print(' {0}.vhdl__nodes_meta__has_{1}'.format(libname, f.name.lower()))
def do_class_field_attributes():
print_enum('Attr', ['ANone' if a == 'None' else a
for a in pnodes.get_attributes()])
def do_class_fields():
print_enum('fields', [f.name for f in pnodes.funcs])
def read_enum(filename, type_name, prefix, class_name, g=lambda m:m.group(1)):
"""Read an enumeration declaration from :param filename:"""
pat_decl = re.compile(r' type {0} is$'.format(type_name))
pat_enum = re.compile(r' {0}(\w+),?( *-- .*)?$'.format(prefix))
pat_comment = re.compile(r' *-- .*$')
lr = pnodes.linereader(filename)
while not pat_decl.match(lr.get()):
pass
line = lr.get()
if line != ' (\n':
raise pnodes.ParseError(
lr, "{}:{}: missing open parenthesis".format(
filename, lr.lineno))
toks = []
while True:
line = lr.get()
if line == ' );\n':
break
m = pat_enum.match(line)
if m:
toks.append(g(m))
elif pat_comment.match(line):
pass
elif line == '\n':
pass
else:
print(line, file=sys.stderr)
raise pnodes.ParseError(
lr, "{}:{}: incorrect line in enum {}".format(
filename, lr.lineno, type_name))
print_enum(class_name, toks)
def read_spec_enum(type_name, prefix, class_name):
"""Read an enumeration declaration from iirs.ads"""
read_enum(pnodes.kind_file, type_name, prefix, class_name)
def do_libghdl_nodes():
print('from libghdl import libghdl')
print("""
Null_Iir = 0
Null_Iir_List = 0
Iir_List_All = 1
Null_Iir_Flist = 0
Iir_Flist_Others = 1
Iir_Flist_All = 2
""")
do_class_kinds()
read_spec_enum('Iir_Mode', 'Iir_', 'Iir_Mode')
read_spec_enum('Iir_Staticness', '', 'Iir_Staticness')
read_spec_enum('Iir_Constraint', '', 'Iir_Constraint')
read_spec_enum('Iir_Direction', 'Iir_', 'Iir_Direction')
read_spec_enum('Iir_Delay_Mechanism', 'Iir_', 'Iir_Delay_Mechanism')
read_spec_enum('Date_State_Type', 'Date_', 'Date_State')
read_spec_enum('Iir_Predefined_Functions',
'Iir_Predefined_', 'Iir_Predefined')
do_iirs_subprg()
def do_libghdl_meta():
print('from libghdl import libghdl')
print("""
# From nodes_meta
get_fields_first = libghdl.vhdl__nodes_meta__get_fields_first
get_fields_last = libghdl.vhdl__nodes_meta__get_fields_last
get_field_by_index = libghdl.vhdl__nodes_meta__get_field_by_index
get_field_type = libghdl.vhdl__nodes_meta__get_field_type
get_field_attribute = libghdl.vhdl__nodes_meta__get_field_attribute""")
do_class_types()
do_class_field_attributes()
do_class_fields()
do_types_subprg()
do_has_subprg()
def do_libghdl_names():
pat_name_first = re.compile(
r' Name_(\w+)\s+: constant Name_Id := (\d+);')
pat_name_def = re.compile(
r' Name_(\w+)\s+:\s+constant Name_Id :=\s+Name_(\w+)( \+ (\d+))?;')
dict = {}
lr = pnodes.linereader('../std_names.ads')
while True:
line = lr.get()
m = pat_name_first.match(line)
if m:
name_def = m.group(1)
val = int(m.group(2))
dict[name_def] = val
res = [(name_def, val)]
break
val_max = 1
while True:
line = lr.get()
if line == 'end Std_Names;\n':
break
if line.endswith(':=\n'):
line = line.rstrip() + lr.get()
m = pat_name_def.match(line)
if m:
name_def = m.group(1)
name_ref = m.group(2)
val = m.group(3)
if not val:
val = 0
val_ref = dict.get(name_ref, None)
if not val_ref:
raise pnodes.ParseError(
lr, "name {0} not found".format(name_ref))
val = val_ref + int(val)
val_max = max(val_max, val)
dict[name_def] = val
res.append((name_def, val))
print('class Name:')
for n, v in res:
# Avoid clash with Python names
if n in ['False', 'True', 'None']:
n = 'N' + n
print(' {0} = {1}'.format(n, v))
def do_libghdl_tokens():
read_enum("vhdl-tokens.ads", "Token_Type", "Tok_", "Tok")
def do_libghdl_errorout():
print('from libghdl import libghdl')
print("""
Enable_Warning = libghdl.errorout__enable_warning
""")
read_enum("../errorout.ads", "Msgid_Type", "(Msgid|Warnid)_", "Msgid",
g=lambda m: m.group(1) + '_' + m.group(2))
pnodes.actions.update({'class-kinds': do_class_kinds,
'libghdl-nodes': do_libghdl_nodes,
'libghdl-meta': do_libghdl_meta,
'libghdl-names': do_libghdl_names,
'libghdl-tokens': do_libghdl_tokens,
'libghdl-elocs': do_libghdl_elocations,
'libghdl-errorout': do_libghdl_errorout})
pnodes.main()
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