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authorPovilas Kanapickas <povilas@radix.lt>2021-07-30 22:58:46 +0300
committerPovilas Kanapickas <povilas@radix.lt>2021-07-30 22:58:46 +0300
commitbdc3f21a5205293852bbaa173f43389cbf66f52b (patch)
tree7abc88ffb602f76e1d364be28830f518bec598d6 /src
parent068af21cb376eb824fa1dee29a6539feadb93587 (diff)
c_client: Extract _c_get_field_mapping_for_expr()
Diffstat (limited to 'src')
-rw-r--r--src/c_client.py26
1 files changed, 19 insertions, 7 deletions
diff --git a/src/c_client.py b/src/c_client.py
index 26e2ff7..6b7e32c 100644
--- a/src/c_client.py
+++ b/src/c_client.py
@@ -966,18 +966,15 @@ def _c_get_additional_type_params(type):
param_fields, wire_fields, params = get_serialize_params('sizeof', type)
return params[1:]
-def _c_serialize_helper_list_field(context, self, field,
- code_lines, temp_vars,
- space, prefix):
+
+def _c_get_field_mapping_for_expr(self, expr, prefix):
"""
- helper function to cope with lists of variable length
+ helper function to get field mapping of a particular expression.
"""
- expr = field.type.expr
- prefix_str = _c_helper_fieldaccess_expr(prefix)
param_fields, wire_fields, params = get_serialize_params('sizeof', self)
param_names = [p[2] for p in params]
- expr_fields_names = get_expr_field_names(field.type.expr)
+ expr_fields_names = get_expr_field_names(expr)
resolved = [x for x in expr_fields_names if x in param_names]
unresolved = [x for x in expr_fields_names if x not in param_names]
@@ -996,6 +993,21 @@ def _c_serialize_helper_list_field(context, self, field,
unresolved = [x for x in unresolved if x not in field_mapping]
if len(unresolved)>0:
raise Exception('could not resolve the length fields required for list %s' % field.c_field_name)
+
+ return field_mapping
+
+
+def _c_serialize_helper_list_field(context, self, field,
+ code_lines, temp_vars,
+ space, prefix):
+ """
+ helper function to cope with lists of variable length
+ """
+ expr = field.type.expr
+ prefix_str = _c_helper_fieldaccess_expr(prefix)
+
+ field_mapping = _c_get_field_mapping_for_expr(self, field.type.expr, prefix)
+
if expr.op == 'calculate_len':
list_length = field.type.expr.lenfield_name
else: