1 files changed, 73 insertions, 0 deletions
diff --git a/third_party/rust/uniffi_bindgen/src/bindings/ruby/templates/macros.rb b/third_party/rust/uniffi_bindgen/src/bindings/ruby/templates/macros.rb
new file mode 100644
index 0000000000..8dc3e5e613
--- /dev/null
+++ b/third_party/rust/uniffi_bindgen/src/bindings/ruby/templates/macros.rb
@@ -0,0 +1,73 @@
+{#
+// Template to call into rust. Used in several places.
+// Variable names in `arg_list_decl` should match up with arg lists
+// passed to rust via `_arg_list_ffi_call` (we use  `var_name_rb` in `lower_rb`)
+#}
+
+{%- macro to_ffi_call(func) -%}
+    {%- match func.throws_name() -%}
+    {%- when Some with (e) -%}
+      {{ ci.namespace()|class_name_rb }}.rust_call_with_error({{ e|class_name_rb }},
+    {%- else -%}
+      {{ ci.namespace()|class_name_rb }}.rust_call(
+    {%- endmatch -%}
+    :{{ func.ffi_func().name() }},
+    {%- call _arg_list_ffi_call(func) -%}
+)
+{%- endmacro -%}
+
+{%- macro to_ffi_call_with_prefix(prefix, func) -%}
+    {%- match func.throws_name() -%}
+    {%- when Some with (e) -%}
+      {{ ci.namespace()|class_name_rb }}.rust_call_with_error({{ e|class_name_rb }},
+    {%- else -%}
+      {{ ci.namespace()|class_name_rb }}.rust_call(
+    {%- endmatch -%}
+    :{{ func.ffi_func().name() }},
+    {{- prefix }},
+    {%- call _arg_list_ffi_call(func) -%}
+)
+{%- endmacro -%}
+
+{%- macro _arg_list_ffi_call(func) %}
+    {%- for arg in func.arguments() %}
+        {{- arg.name()|lower_rb(arg.as_type().borrow()) }}
+        {%- if !loop.last %},{% endif %}
+    {%- endfor %}
+{%- endmacro -%}
+
+{#-
+// Arglist as used in Ruby declarations of methods, functions and constructors.
+// Note the var_name_rb and type_rb filters.
+-#}
+
+{% macro arg_list_decl(func) %}
+    {%- for arg in func.arguments() -%}
+        {{ arg.name()|var_name_rb }}
+        {%- match arg.default_value() %}
+        {%- when Some with(literal) %} = {{ literal|literal_rb }}
+        {%- else %}
+        {%- endmatch %}
+        {%- if !loop.last %}, {% endif -%}
+    {%- endfor %}
+{%- endmacro %}
+
+{#-
+// Arglist as used in the UniFFILib function declarations.
+// Note unfiltered name but type_ffi filters.
+-#}
+{%- macro arg_list_ffi_decl(func) %}
+    [{%- for arg in func.arguments() -%}{{ arg.type_().borrow()|type_ffi }}, {% endfor -%} RustCallStatus.by_ref]
+{%- endmacro -%}
+
+{%- macro coerce_args(func) %}
+    {%- for arg in func.arguments() %}
+    {{ arg.name() }} = {{ arg.name()|coerce_rb(ci.namespace()|class_name_rb, arg.as_type().borrow()) -}}
+    {% endfor -%}
+{%- endmacro -%}
+
+{%- macro coerce_args_extra_indent(func) %}
+        {%- for arg in func.arguments() %}
+        {{ arg.name() }} = {{ arg.name()|coerce_rb(ci.namespace()|class_name_rb, arg.as_type().borrow()) }}
+        {%- endfor %}
+{%- endmacro -%}