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Commit 84430022 authored by Maxime Perrotin's avatar Maxime Perrotin
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Refactor Ada backend (minor)

parent ffb8f0eb
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Showing with 77 additions and 96 deletions
AdaGenerator.py
View file @ 84430022
......@@ -130,10 +130,10 @@ def _process(process):
dstr = array_content(def_value, dstr, varbty)
assert not dst and not dlocal, 'DCL: Expecting a ground expression'
process_level_decl.append(
u'l_{n} : aliased asn1Scc{t}{default};'.format(
n=var_name,
t=var_type.ReferencedTypeName.replace('-', '_'),
default=u' := ' + dstr if def_value else u''))
u'l_{n} : aliased {sort}{default};'
.format(n=var_name,
sort=type_name(var_type),
default=u' := ' + dstr if def_value else u''))
# Add the process states list to the process-level variables
statelist = ', '.join(name for name in process.mapping.iterkeys()
......@@ -216,9 +216,9 @@ package {process_name} is'''.format(process_name=process_name,
param_name = signal.get('param_name') or '{}_param'.format(signal['name'])
# Add (optional) PI parameter (only one is possible in TASTE PI)
if 'type' in signal:
typename = signal['type'].ReferencedTypeName.replace('-', '_')
pi_header += '({pName}: access asn1Scc{pType})'.format(
pName=param_name, pType=typename)
typename = type_name(signal['type'])
pi_header += '({pName}: access {sort})'.format(
pName=param_name, sort=typename)
# Add declaration of the provided interface in the .ads file
ads_template.append('-- Provided interface "' + signal['name'] + '"')
......@@ -284,9 +284,9 @@ package {process_name} is'''.format(process_name=process_name,
param_name = signal.get('param_name') or 'MISSING_PARAM_NAME'
# Add (optional) RI parameter
if 'type' in signal:
typename = signal['type'].ReferencedTypeName.replace('-', '_')
ri_header += u'({pName}: access asn1Scc{pType})'.format(
pName=param_name, pType=typename)
typename = type_name(signal['type'])
ri_header += u'({pName}: access {sort})'.format(
pName=param_name, sort=typename)
ads_template.append(u'-- Required interface "' + signal['name'] + '"')
ads_template.append(ri_header + ';')
ads_template.append(u'pragma import(C, {sig}, "{proc}_RI_{sig}");'
......@@ -297,9 +297,10 @@ package {process_name} is'''.format(process_name=process_name,
ri_header = u'procedure {sig_name}'.format(sig_name=proc.inputString)
params = []
for param in proc.fpar:
typename = param['type'].ReferencedTypeName.replace('-', '_')
params.append(u'{par[name]}: access asn1Scc{partype}'.format(
par=param, partype=typename))
typename = type_name(param['type'])
params.append(u'{par[name]}: access {sort}'
.format(par=param,
sort=typename))
if params:
ri_header += u'(' + u';'.join(params) + ')'
ads_template.append(
......@@ -555,7 +556,7 @@ def _call_external_function(output):
param_type = out_sig.fpar[idx]['type']
param_direction = out_sig.fpar[idx]['direction']
typename = param_type.ReferencedTypeName.replace('-', '_')
typename = type_name(param_type)
p_code, p_id, p_local = expression(param)
code.extend(p_code)
local_decl.extend(p_local)
......@@ -566,8 +567,8 @@ def _call_external_function(output):
and p_id.startswith('l_'))
or isinstance(param, ogAST.PrimFPAR)):
tmp_id = out['tmpVars'][idx]
local_decl.append('tmp{idx} : aliased asn1Scc{oType};'
.format(idx=tmp_id, oType=typename))
local_decl.append('tmp{idx} : aliased {sort};'
.format(idx=tmp_id, sort=typename))
if isinstance(param,
(ogAST.PrimSequenceOf, ogAST.PrimStringLiteral)):
p_id = array_content(param, p_id,
......@@ -789,9 +790,7 @@ def _prim_call(prim):
exp_type = find_basic_type(exp.exprType)
# Also get the ASN.1 type name as it is
# needed to build the Ada expression
exp_typename = \
(getattr(exp.exprType, 'ReferencedTypeName',
None) or exp.exprType.kind).replace('-', '_')
exp_typename = type_name(exp.exprType)
if exp_type.kind != 'ChoiceType':
error = '{} is not a CHOICE'.format(exp.inputString)
LOG.error(error)
......@@ -799,39 +798,37 @@ def _prim_call(prim):
param_stmts, param_str, local_var = expression(exp)
stmts.extend(param_stmts)
local_decl.extend(local_var)
ada_string += ('asn1Scc{t}_Kind({e})'.format(
t=exp_typename, e=param_str))
ada_string += ('{sort}_Kind({e})'
.format(sort=exp_typename,
e=param_str))
elif ident == 'num':
# User wants to get an enumerated corresponding integer value
exp = params[0]
# Get the ASN.1 type name as it is needed to build the Ada expression
exp_typename = \
(getattr(exp.exprType, 'ReferencedTypeName', None)
or exp.exprType.kind).replace('-', '_')
exp_typename = type_name(exp.exprType)
param_stmts, param_str, local_var = expression(exp)
local_decl.append('function num_{t} is new Ada.Unchecked_Conversion'
'(asn1scc{t}, Asn1Int);'.format(t=exp_typename))
local_decl.append('function num_{sort} is new Ada.Unchecked_Conversion'
'({sort}, Asn1Int);'.format(sort=exp_typename))
stmts.extend(param_stmts)
local_decl.extend(local_var)
ada_string += ('num_{t}({p})'.format(t=exp_typename, p=param_str))
ada_string += ('num_{sort}({p})'
.format(sort=exp_typename,
p=param_str))
elif ident == 'floor':
# Get the ASN.1 type name as it is needed to build the Ada expression
exp = params[0]
exp_typename = (getattr(exp.exprType, 'ReferencedTypeName', None)
or 'Long_Float').replace('-', '_')
exp_typename = type_name(exp.exprType)
param_stmts, param_str, local_var = expression(exp)
stmts.extend(param_stmts)
local_decl.extend(local_var)
ada_string += "{t}'Floor({p})".format(t=exp_typename, p=param_str)
ada_string += "{sort}'Floor({p})".format(sort=exp_typename,
p=param_str)
elif ident == 'ceil':
# Get the ASN.1 type name as it is needed to build the Ada expression
exp = params[0]
exp_typename = (getattr(exp.exprType, 'ReferencedTypeName', None)
or 'Long_Float').replace('-', '_')
exp_typename = type_name(exp.exprType)
param_stmts, param_str, local_var = expression(exp)
stmts.extend(param_stmts)
local_decl.extend(local_var)
ada_string += "{t}'Ceiling({p})".format(t=exp_typename, p=param_str)
ada_string += "{sort}'Ceiling({p})".format(sort=exp_typename,
p=param_str)
elif ident == 'cos':
exp = params[0]
param_stmts, param_str, local_var = expression(exp)
......@@ -839,17 +836,16 @@ def _prim_call(prim):
local_decl.extend(local_var)
local_decl.append('package Math is new '
'Ada.Numerics.Generic_Elementary_Functions'
'(Long_Float);')
'(Asn1Real);')
ada_string += "Math.Cos({})".format(param_str)
elif ident == 'round':
exp = params[0]
# Get the ASN.1 type name as it is needed to build the Ada expression
exp_typename = (getattr(exp.exprType, 'ReferencedTypeName', None)
or 'Long_Float').replace('-', '_')
exp_typename = type_name(exp.exprType)
param_stmts, param_str, local_var = expression(exp)
stmts.extend(param_stmts)
local_decl.extend(local_var)
ada_string += "{t}'Rounding({p})".format(t=exp_typename, p=param_str)
ada_string += "{sort}'Rounding({p})".format(sort=exp_typename,
p=param_str)
elif ident == 'sin':
exp = params[0]
param_stmts, param_str, local_var = expression(exp)
......@@ -857,7 +853,7 @@ def _prim_call(prim):
local_decl.extend(local_var)
local_decl.append('package Math is new '
'Ada.Numerics.Generic_Elementary_Functions'
'(Long_Float);')
'(Asn1Real);')
ada_string += "Math.Sin({})".format(param_str)
elif ident == 'sqrt':
exp = params[0]
......@@ -866,17 +862,16 @@ def _prim_call(prim):
local_decl.extend(local_var)
local_decl.append('package Math is new '
'Ada.Numerics.Generic_Elementary_Functions'
'(Long_Float);')
'(Asn1Real);')
ada_string += "Math.Sqrt({})".format(param_str)
elif ident == 'trunc':
exp = params[0]
# Get the ASN.1 type name as it is needed to build the Ada expression
exp_typename = (getattr(exp.exprType, 'ReferencedTypeName', None)
or 'Long_Float').replace('-', '_')
exp_typename = type_name(exp.exprType)
param_stmts, param_str, local_var = expression(exp)
stmts.extend(param_stmts)
local_decl.extend(local_var)
ada_string += "{t}'Truncation({p})".format(t=exp_typename, p=param_str)
ada_string += "{sort}'Truncation({p})".format(sort=exp_typename,
p=param_str)
else:
ada_string += '('
# Take all params and join them with commas
......@@ -966,11 +961,10 @@ def _prim_selector(prim):
local_decl.extend(receiver_decl)
receiver_bty = find_basic_type(receiver.exprType)
receiver_ty_name = receiver.exprType.ReferencedTypeName.replace('-', '_')
if receiver_bty.kind == 'ChoiceType':
ada_string = ('asn1Scc{typename}_{field_name}_get({ada_string})'
.format(typename=receiver_ty_name,
ada_string = ('{sort}_{field_name}_get({ada_string})'
.format(sort=type_name(receiver.exprType),
field_name=field_name,
ada_string=ada_string))
else:
......@@ -1010,10 +1004,8 @@ def _equality(expr):
right_stmts, right_str, right_local = expression(expr.right)
code.extend(right_stmts)
local_decl.extend(right_local)
asn1_type = getattr(expr.left.exprType,
'ReferencedTypeName',
None) or expr.left.exprType.kind
actual_type = asn1_type.replace('-', '_')
asn1_type = getattr(expr.left.exprType, 'ReferencedTypeName', None)
actual_type = type_name(expr.left.exprType)
lbty = find_basic_type(expr.left.exprType)
basic = lbty.kind in ('IntegerType', 'Integer32Type', 'BooleanType',
'RealType', 'EnumeratedType', 'ChoiceEnumeratedType')
......@@ -1025,8 +1017,8 @@ def _equality(expr):
if isinstance(expr.right,
(ogAST.PrimSequenceOf, ogAST.PrimStringLiteral)):
right_str = array_content(expr.right, right_str, lbty)
ada_string = u'asn1Scc{asn1}_Equal({left}, {right})'.format(
asn1=actual_type, left=left_str, right=right_str)
ada_string = u'{sort}_Equal({left}, {right})'.format(
sort=actual_type, left=left_str, right=right_str)
else:
# Raw types on both left and right.... use simple operator
ada_string = u"({left}) {op} ({right})".format(left=left_str,
......@@ -1353,21 +1345,14 @@ def _conditional(cond):
def _sequence(seq):
''' Return Ada string for an ASN.1 SEQUENCE '''
stmts, local_decl = [], []
seqType = seq.exprType
LOG.debug('PrimSequence: ' + str(seq) + str(seqType))
ada_string = u"asn1Scc{seqType}'(".format(
seqType=seqType.ReferencedTypeName.replace('-', '_'))
ada_string = u"{}'(".format(type_name(seq.exprType))
sep = ''
for elem, value in seq.value.viewitems():
# Set the type of the field - easy thanks to ASN.1 flattened AST
delem = elem.replace('_', '-')
elem_specty = find_basic_type(seqType).Children[delem].type
#value.exprType = find_basic_type(seqType).Children[delem].type
elem_specty = find_basic_type(seq.exprType).Children[delem].type
value_stmts, value_str, local_var = expression(value)
if isinstance(value, (ogAST.PrimSequenceOf, ogAST.PrimStringLiteral)):
# Raw SEQOF element need additional parentheses
#value_str = '(Data => ({}))'.format(value_str)
value_str = array_content(value, value_str,
find_basic_type(elem_specty))
ada_string += "{} {} => {}".format(sep, elem, value_str)
......@@ -1382,23 +1367,21 @@ def _sequence(seq):
def _sequence_of(seqof):
''' Return Ada string for an ASN.1 SEQUENCE OF '''
stmts, local_decl = [], []
seqofType = seqof.exprType
seqof_ty = seqof.exprType
try:
typename = seqofType.ReferencedTypeName
LOG.debug('SequenceOf Typename:' + str(typename))
asn_type = TYPES[typename].type
asn_type = TYPES[seqof_ty.ReferencedTypeName].type
min_size = asn_type.Min
max_size = asn_type.Max
except AttributeError:
min_size, max_size = seqofType.Min, seqofType.Max
min_size, max_size = seqof_ty.Min, seqof_ty.Max
tab = []
for i in xrange(len(seqof.value)):
item_stmts, item_str, local_var = expression(seqof.value[i])
stmts.extend(item_stmts)
local_decl.extend(local_var)
tab.append('{i} => {value}'.format(i=i + 1, value=item_str))
ada_string = ', '.join(tab)
tab.append(u'{i} => {value}'.format(i=i + 1, value=item_str))
ada_string = u', '.join(tab)
return stmts, unicode(ada_string), local_decl
......@@ -1406,14 +1389,10 @@ def _sequence_of(seqof):
def _choiceitem(choice):
''' Return the Ada code for a CHOICE expression '''
stmts, choice_str, local_decl = expression(choice.value['value'])
choiceType = choice.exprType
actual_type = getattr(
choiceType, 'ReferencedTypeName', None) or choiceType.kind
actual_type = actual_type.replace('-', '_')
ada_string = 'asn1Scc{cType}_{opt}_set({expr})'.format(
cType=actual_type,
opt=choice.value['choice'],
expr=choice_str)
ada_string = u'{cType}_{opt}_set({expr})'.format(
cType=type_name(choice.exprType),
opt=choice.value['choice'],
expr=choice_str)
return stmts, unicode(ada_string), local_decl
......@@ -1632,8 +1611,8 @@ def _inner_procedure(proc):
pi_header += '('
params = []
for fpar in proc.fpar:
typename = fpar['type'].ReferencedTypeName.replace('-', '_')
params.append(u'l_{name}: in{out} asn1Scc{ptype}'.format(
typename = type_name(fpar['type'])
params.append(u'l_{name}: in{out} {ptype}'.format(
name=fpar.get('name'),
out=' out' if fpar.get('direction') == 'out' else '',
ptype=typename))
......@@ -1643,7 +1622,7 @@ def _inner_procedure(proc):
local_decl.append(pi_header + ';')
if proc.external:
local_decl.append('pragma import(C, {});'.format(proc.inputString))
local_decl.append(u'pragma import(C, {});'.format(proc.inputString))
else:
# Generate the code for the procedure itself
# local variables and code of the START transition
......@@ -1652,9 +1631,9 @@ def _inner_procedure(proc):
inner_code, inner_local = generate(inner_proc)
local_decl.extend(inner_local)
code.extend(inner_code)
code.append(pi_header + ' is')
code.append(pi_header + u' is')
for var_name, (var_type, def_value) in proc.variables.viewitems():
typename = var_type.ReferencedTypeName.replace('-', '_')
typename = type_name(var_type)
if def_value:
# Expression must be a ground expression, i.e. must not
# require temporary variable to store computed result
......@@ -1663,10 +1642,10 @@ def _inner_procedure(proc):
if varbty.kind in ('SequenceOfType', 'OctetStringType'):
dstr = array_content(def_value, dstr, varbty)
assert not dst and not dlocal, 'Ground expression error'
code.append('l_{name} : asn1Scc{sort}{default};'.format(
name=var_name,
sort=typename,
default=' := ' + dstr if def_value else ''))
code.append(u'l_{name} : {sort}{default};'
.format(name=var_name,
sort=typename,
default=' := ' + dstr if def_value else ''))
# Look for labels in the diagram and transform them in floating labels
Helper.inner_labels_to_floating(proc)
......@@ -1771,17 +1750,19 @@ def find_basic_type(a_type):
def type_name(a_type):
''' Check the type kind and return an Ada usable type name '''
if a_type.kind == 'ReferenceType':
return 'asn1Scc{}'.format(a_type.ReferencedTypeName.replace('-', '_'))
return u'asn1Scc{}'.format(a_type.ReferencedTypeName.replace('-', '_'))
elif a_type.kind == 'BooleanType':
return 'Boolean'
return u'Boolean'
elif a_type.kind.startswith('Integer'):
return 'Asn1Int'
return u'Asn1Int'
elif a_type.kind == 'RealType':
return 'Asn1Real' # 'Long_Float'
elif a_type.kind == 'StringType':
return 'String'
return u'Asn1Real'
elif a_type.kind.endswith('StringType'):
return u'String'
elif a_type.kind == 'ChoiceEnumeratedType':
return u'Asn1Int'
else:
raise NotImplmentedError('Type name for {}'.format(a_type.kind))
raise NotImplementedError('Type name for {}'.format(a_type.kind))
def find_var(var):
......
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