prebindgen-c 0.5.0

Experimental C / cbindgen binding generator for prebindgen
Documentation 
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//! Structural converter-selection policy for [`CbindgenBuilder`].

use prebindgen_registry::Conversions;

use super::*;

impl CbindgenBuilder {
    /// Select the input converter for `ty`: terminal categories, then built-in
    /// C structural wrappers.
    pub(crate) fn select_input_type(
        &self,
        ty: &TypeRef,
        registry: &impl Conversions<()>,
        emit: &prebindgen_registry::Emit,
    ) -> Option<ConverterImpl<()>> {
        self.in_custom(ty, registry, emit)
            .or_else(|| self.in_opaque_handle(ty))
            .or_else(|| self.in_data_struct(ty, registry))
            .or_else(|| self.in_value_opaque(ty, registry))
            .or_else(|| self.in_enum(ty, registry))
            .or_else(|| self.in_tagged_union(ty, registry, emit))
            .or_else(|| self.in_string(ty))
            .or_else(|| self.in_str(ty))
            .or_else(|| self.in_bool(ty))
            .or_else(|| self.in_scalar(ty))
            .or_else(|| self.in_wrappers(ty, registry))
    }

    /// Select the output converter for `ty`: terminal categories, then built-in
    /// C structural wrappers.
    pub(crate) fn select_output_type(
        &self,
        ty: &TypeRef,
        registry: &impl Conversions<()>,
        emit: &prebindgen_registry::Emit,
    ) -> Option<ConverterImpl<()>> {
        self.out_custom(ty, registry, emit)
            .or_else(|| self.out_terminal(ty, registry, emit))
            .or_else(|| self.out_wrappers(ty, registry))
    }
}