[vala/wip/transform: 48/124] Deserialize hash tables
- From: Rico Tzschichholz <ricotz src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [vala/wip/transform: 48/124] Deserialize hash tables
- Date: Wed, 26 Apr 2017 20:21:57 +0000 (UTC)
commit e9939051592b036d17f2d4f49a848194d7bec5f7
Author: Luca Bruno <lucabru src gnome org>
Date: Fri Dec 30 18:18:44 2011 +0100
Deserialize hash tables
codegen/valagvarianttransformer.vala | 44 ++++++++++++++++++++++++++++++++
vala/valaobjectcreationexpression.vala | 10 ++++---
2 files changed, 50 insertions(+), 4 deletions(-)
---
diff --git a/codegen/valagvarianttransformer.vala b/codegen/valagvarianttransformer.vala
index 0961dd2..32377c1 100644
--- a/codegen/valagvarianttransformer.vala
+++ b/codegen/valagvarianttransformer.vala
@@ -344,6 +344,44 @@ public class Vala.GVariantTransformer : CodeTransformer {
return expression (result);
}
+ Expression deserialize_hash_table (DataType type, Expression expr) {
+ var variant = b.add_temp_declaration (data_type ("GLib.Variant", true), null);
+ var iterator = b.add_temp_declaration (data_type ("GLib.VariantIter", true), null);
+ b.add_assignment (expression (variant), expr);
+ b.add_assignment (expression (iterator), expression (@"$variant.iterator ()"));
+
+ var type_args = type.get_type_arguments ();
+ assert (type_args.size == 2);
+ var key_type = type_args.get (0);
+ var value_type = type_args.get (1);
+
+ var hash_table_new = new ObjectCreationExpression (null, b.source_reference);
+ hash_table_new.type_reference = type.copy ();
+ if (key_type.data_type == context.analyzer.string_type.data_type) {
+ hash_table_new.add_argument (expression ("GLib.str_hash"));
+ hash_table_new.add_argument (expression ("GLib.str_equal"));
+ } else {
+ hash_table_new.add_argument (expression ("GLib.direct_hash"));
+ hash_table_new.add_argument (expression ("GLib.direct_equal"));
+ }
+
+ var hash_table = b.add_temp_declaration (copy_type (type, true), hash_table_new);
+ var new_variant = b.add_temp_declaration (data_type ("GLib.Variant", true), null);
+
+ b.open_while (expression (@"($new_variant = $iterator.next_value ()) != null"));
+
+ Expression key = deserialize_expression (key_type, expression (@"$new_variant.get_child_value
(0)"));
+ Expression value = deserialize_expression (value_type, expression
(@"$new_variant.get_child_value (1)"));
+ var insert = (MethodCall) expression (@"$hash_table.insert ()");
+ insert.add_argument (key);
+ insert.add_argument (value);
+ b.add_expression (insert);
+
+ b.close ();
+
+ return expression (hash_table);
+ }
+
Expression? deserialize_expression (DataType type, Expression expr) {
BasicTypeInfo basic_type;
Expression result = null;
@@ -353,6 +391,12 @@ public class Vala.GVariantTransformer : CodeTransformer {
result = deserialize_array ((ArrayType) type, expr);
} else if (type.data_type is Struct) {
result = deserialize_struct ((Struct) type.data_type, expr);
+ } else if (type is ObjectType) {
+ if (type.data_type == context.analyzer.gvariant_type.data_type) {
+ result = new MethodCall (new MemberAccess (expr, "get_variant"),
b.source_reference);
+ } else if (type.data_type.get_full_name () == "GLib.HashTable") {
+ result = deserialize_hash_table ((ObjectType) type, expr);
+ }
}
return result;
}
diff --git a/vala/valaobjectcreationexpression.vala b/vala/valaobjectcreationexpression.vala
index 1d2cfc7..4d8de02 100644
--- a/vala/valaobjectcreationexpression.vala
+++ b/vala/valaobjectcreationexpression.vala
@@ -41,11 +41,13 @@ public class Vala.ObjectCreationExpression : Expression {
* The construction method to use or the data type to be created
* with the default construction method.
*/
- public MemberAccess member_name {
+ public MemberAccess? member_name {
get { return _member_name; }
set {
_member_name = value;
- _member_name.parent_node = this;
+ if (_member_name != null) {
+ _member_name.parent_node = this;
+ }
}
}
@@ -58,7 +60,7 @@ public class Vala.ObjectCreationExpression : Expression {
private List<MemberInitializer> object_initializer = new ArrayList<MemberInitializer> ();
private DataType _data_type;
- private MemberAccess _member_name;
+ private MemberAccess? _member_name;
/**
* Creates a new object creation expression.
@@ -67,7 +69,7 @@ public class Vala.ObjectCreationExpression : Expression {
* @param source_reference reference to source code
* @return newly created object creation expression
*/
- public ObjectCreationExpression (MemberAccess member_name, SourceReference source_reference) {
+ public ObjectCreationExpression (MemberAccess? member_name, SourceReference? source_reference = null)
{
this.source_reference = source_reference;
this.member_name = member_name;
}
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