| {#--- |
| Macro for enum definition, and the declaration of associated functions. |
| `is_static` is relevant if this enum declaration is defined within a class, in |
| which case associated functions need to be static. |
| ---#} |
| {%- macro enum_decl(enum, is_static=false) %} |
| enum {{enum.name}} : int32_t { |
| {%- for field in enum.fields %} |
| {%- if field.value %} |
| {{enum.name|to_all_caps}}_{{field.name}} = {{field.value|expression_to_text}}, |
| {%- else %} |
| {{enum.name|to_all_caps}}_{{field.name}}, |
| {%- endif %} |
| {%- endfor %} |
| }; |
| {{is_valid_enum_decl(enum, is_static)}} |
| {%- endmacro %} |
| |
| {#--- macros for the declaration & definitions of enum-associated functions. |
| Namely: |
| * {enum_name}_IsValidValue: returns true if the given enum has a valid value |
| for this generated version of enum. |
| ---#} |
| |
| {%- macro is_valid_enum_decl(enum, is_static=false) %} |
| {% if is_static %}static {% endif -%} |
| bool {{enum.name}}_IsValidValue({{enum.name}} value); |
| {%- endmacro %} |
| |
| {%- macro is_valid_enum_def(enum, class_name = '') %} |
| {% if class_name != '' -%} |
| // static |
| bool {{class_name}}:: |
| {%- else -%} |
| {{"bool "}} |
| {%- endif -%} |
| {{enum.name}}_IsValidValue({{enum.name}} value) { |
| switch (static_cast<int32_t>(value)) { |
| {%- for enum_field in enum.fields|groupby('numeric_value') %} |
| case {{enum_field[0]}}: |
| {%- endfor %} |
| return true; |
| } |
| return false; |
| } |
| {%- endmacro %} |