def Variable(self, parent_section, scope, obj):
"""Generates the code for a Variable definition.
This function will generate the member/global variable declaration, as well
as the setter/getter functions if specified in the attributes.
Args:
parent_section: the main section of the parent scope.
scope: the parent scope.
obj: the Variable definition.
Returns:
a list of (boolean, Definition) pairs, of all the types that need
to be declared (boolean is False) or defined (boolean is True) before
this definition.
"""
if obj.parent.defn_type == 'Class':
if 'field_access' in obj.attributes:
member_section = parent_section.GetSection(
obj.attributes['field_access'] + ':')
else:
member_section = parent_section.GetSection('private:')
else:
member_section = parent_section
getter_section = self.GetSectionFromAttributes(parent_section, obj)
bm = obj.type_defn.binding_model
type_string, need_defn = bm.CppMemberString(scope, obj.type_defn)
check_types = [(need_defn, obj.type_defn)]
if 'static' in obj.attributes:
static = 'static '
else:
static = ''
field_name = naming.Normalize(obj.name, naming.Java)
self.Documentation(member_section, scope, obj)
member_section.EmitCode('%s%s %s;' % (static, type_string, field_name))
if 'getter' in obj.attributes:
return_type, need_defn = bm.CppReturnValueString(
scope, obj.type_defn)
check_types += [(need_defn, obj.type_defn)]
getter_name = cpp_utils.GetGetterName(obj)
self.FieldFunctionDocumentation(getter_section, 'Accessor',
type_string, field_name)
getter_section.EmitCode(
'%s%s %s() const { return %s; }' %
(static, return_type, getter_name, field_name))
if 'setter' in obj.attributes:
param_type, need_defn = bm.CppParameterString(scope, obj.type_defn)
check_types += [(need_defn, obj.type_defn)]
setter_name = cpp_utils.GetSetterName(obj)
self.FieldFunctionDocumentation(getter_section, 'Mutator',
type_string, field_name)
getter_section.EmitCode('%svoid %s(%s %s) { %s = %s; }' %
(static, setter_name, param_type, obj.name,
field_name, obj.name))
return check_types
def Variable(self, context, obj):
"""Generates the code for a Variable definition.
This function will generate the member/global variable declaration, as well
as the setter/getter functions if specified in the attributes.
Args:
parent_section: the main section of the parent scope.
obj: the Variable definition.
"""
bm = obj.type.binding_model
type_string, need_defn = bm.CppMemberString(context.header_scope, obj.type)
context.CheckType(need_defn, obj.type)
need_glue = self.NeedsGlue(obj) or (obj.parent.is_type and
self.NeedsGlue(obj.parent));
getter_attributes = {}
if 'static' in obj.attributes:
getter_attributes['static'] = obj.attributes['static']
static = 'static '
else:
static = ''
for attr in ['public', 'protected', 'private']:
if attr in obj.attributes:
getter_attributes[attr] = obj.attributes[attr]
if not need_glue:
if obj.parent.defn_type == 'Class':
if 'field_access' in obj.attributes:
member_section = context.header_section.GetSection(
obj.attributes['field_access'] + ':')
else:
member_section = context.header_section.GetSection('private:')
else:
member_section = context.header_section
field_name = naming.Normalize(obj.name, naming.LowerTrailing)
member_section.EmitCode('%s%s %s;' % (static, type_string, field_name))
if 'getter' in obj.attributes:
func = obj.MakeGetter(getter_attributes, cpp_utils.GetGetterName(obj))
if need_glue:
self.FunctionGlue(context, func)
impl = None
else:
impl = ' { return %s; }' % field_name
self.FunctionDecl(context, func, impl)
if 'setter' in obj.attributes:
func = obj.MakeSetter(getter_attributes, cpp_utils.GetSetterName(obj))
if need_glue:
self.FunctionGlue(context, func)
impl = None
else:
impl = ' { %s = %s; }' % (field_name, obj.name)
self.FunctionDecl(context, func, impl)
def CppSetStatic(scope, type_defn, field, param_expr):
"""Gets the representation of an expression setting a static field.
Args:
scope: a Definition for the scope in which the expression will be written.
type_defn: a Definition, representing the type of the object containing the
field being set.
field: a string, the name of the field to be set.
param_expr: a strings, being the expression for the value to be set.
Returns:
a string, which is the expression for setting the field.
"""
return '%s::%s(%s)' % (cpp_utils.GetScopedName(
scope, type_defn), cpp_utils.GetSetterName(field), param_expr)
def CppSetField(scope, type_defn, object_expr, field, param_expr):
"""Gets the representation of an expression setting a field in an object.
Args:
scope: a Definition for the scope in which the expression will be written.
type_defn: a Definition, representing the type of the object containing the
field being set.
object_expr: a string, which is the expression for the object containing
the field being set.
field: a string, the name of the field to be set.
param_expr: a strings, being the expression for the value to be set.
Returns:
a string, which is the expression for setting the field.
"""
(scope, type_defn) = (scope, type_defn) # silence gpylint.
return '%s->%s(%s)' % (object_expr, cpp_utils.GetSetterName(field),
param_expr)
