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{% macro render_full_allocs(allocations, err_name="err") -%}
{%- for alloc in allocations %}
bn_t {{ alloc }};
{%- endfor %}
{{ err_name }} = bn_init_multi(&{{ allocations | join(", &") }}, NULL);
{%- endmacro %}
{% macro render_static_allocs(allocations) -%}
{%- for alloc in allocations %}
static bn_t {{ alloc }};
{%- endfor %}
{%- endmacro %}
{% macro render_init_allocs(allocations, err_name="err") -%}
{{err_name}} = bn_init_multi(&{{ allocations | join(", &") }}, NULL);
{%- endmacro %}
{% macro render_initializations(initializations) -%}
{%- for init, (value, encode) in initializations.items() %}
bn_from_int({{ value }}, &{{ init }});
{%- if encode %}
bn_red_encode(&{{ init }}, &curve->p, &curve->p_red);
{%- endif %}
{%- endfor %}
{%- endmacro %}
{% macro render_ops(operations) -%}
{%- for op, result, left, right in operations %}
{{ render_op(op, result, left, right, "curve->p", "curve->p_red")}}
{%- endfor %}
{%- endmacro %}
{% macro render_returns(returns) -%}
{%- for src, dst in returns.items() %}
bn_copy(&{{ src }}, &{{ dst }});
{%- endfor %}
{%- endmacro %}
{% macro render_frees(frees) -%}
{% if frees %}
bn_clear_multi(&{{ frees | join(", &") }}, NULL);
{%- endif %}
{%- endmacro %}
{% macro render_static_init(allocations, name) -%}
{{ render_static_allocs(allocations) }}
bool point_{{ name }}_init(void) {
bn_err err;
{{ render_init_allocs(allocations, "err") }}
if (err != BN_OKAY) {
return false;
}
return true;
}
{%- endmacro %}
{% macro render_static_zero(allocations, name) -%}
void point_{{ name }}_zero(void) {
{%- for alloc in allocations -%}
bn_from_int(0, &{{alloc}});
{%- endfor -%}
}
{%- endmacro %}
{% macro render_static_clear(frees, name) -%}
void point_{{ name }}_clear(void) {
{{ render_frees(frees) }}
}
{%- endmacro %}
{% macro render_all(allocations, initializations, operations, returns, frees, err_name="err") -%}
bn_err {{err_name}};
{{ render_full_allocs(allocations, err_name) }}
{{ render_initializations(initializations) }}
{{ render_ops(operations) }}
{{ render_returns(returns) }}
{{ render_frees(frees) }}
{%- endmacro %}
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