debug_param_fn.rs - source

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nom

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grid.rs kuhn_munkres.rs lib.rs matrix.rs utils.rs

pennereq

petgraph

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png

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polygon2

ppv_lite86

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proc_macro2

detection.rs fallback.rs lib.rs marker.rs parse.rs wrapper.rs

proc_macro_crate

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error.rs iter.rs lib.rs parse.rs quote.rs

proc_macro_nested

quote

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rand

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join

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counters.rs mod.rs

spawn

thread_pool

job.rs latch.rs lib.rs log.rs private.rs registry.rs unwind.rs util.rs

rect_packer

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regex

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actions.rs animation_system.rs components.rs lib.rs scene_data.rs textures.rs

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rin_math

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rin_scene

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events

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physics

mod.rs rigidbody.rs

postprocessing

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rinecs

rinecs_derive

changes.rs component.rs debug.rs debug_param_fn.rs filter.rs hierarchical.rs hierarchical_oneton.rs lib.rs oneton.rs onetoone.rs

rinecs_derive_utils

lib.rs system.rs

ringui_derive

rustc_demangle

legacy.rs lib.rs v0.rs

rusty_pool

ryu

buffer

pretty

exponent.rs mantissa.rs mod.rs

common.rs d2s.rs d2s_full_table.rs d2s_intrinsics.rs digit_table.rs f2s.rs f2s_intrinsics.rs lib.rs

scopeguard

seitan

seitan_derive

semver

lib.rs version.rs version_req.rs

semver_parser

common.rs lib.rs range.rs recognize.rs version.rs

serde

de

ignored_any.rs impls.rs mod.rs seed.rs utf8.rs value.rs

private

de.rs doc.rs mod.rs ser.rs size_hint.rs

ser

fmt.rs impls.rs impossible.rs mod.rs

integer128.rs lib.rs macros.rs

serde_derive

internals

ast.rs attr.rs case.rs check.rs ctxt.rs mod.rs receiver.rs respan.rs symbol.rs

bound.rs de.rs dummy.rs fragment.rs lib.rs pretend.rs ser.rs try.rs

serde_json

features_check

io

value

de.rs from.rs index.rs mod.rs partial_eq.rs ser.rs

de.rs error.rs iter.rs lib.rs macros.rs map.rs number.rs read.rs ser.rs

shaderdata_derive

simba

scalar

complex.rs field.rs mod.rs real.rs subset.rs

simd

auto_simd_impl.rs mod.rs simd_bool.rs simd_complex.rs simd_option.rs simd_partial_ord.rs simd_real.rs simd_signed.rs simd_value.rs

slab

slice_of_array

slotmap

dense.rs hop.rs lib.rs normal.rs secondary.rs sparse_secondary.rs

smallvec

std140_data

streaming_iterator

lib.rs sources.rs

strsim

syn

synstructure

lib.rs macros.rs

thiserror

aserror.rs display.rs lib.rs

thiserror_impl

ast.rs attr.rs expand.rs fmt.rs lib.rs prop.rs valid.rs

thread_local

cached.rs lib.rs thread_id.rs unreachable.rs

tiff

decoder

ifd.rs mod.rs stream.rs

encoder

colortype.rs mod.rs writer.rs

bytecast.rs error.rs lib.rs tags.rs

time

display.rs duration.rs lib.rs parse.rs sys.rs

toml

datetime.rs de.rs lib.rs macros.rs map.rs ser.rs spanned.rs tokens.rs value.rs

typenum

array.rs bit.rs int.rs lib.rs marker_traits.rs operator_aliases.rs private.rs type_operators.rs uint.rs

unchecked_unwrap

unicode_xid

lib.rs tables.rs

vec2

cross.rs extract.rs inv.rs len.rs lerp.rs lib.rs min_max.rs new.rs norm.rs ops.rs set.rs transform.rs

vec3

cross.rs extract.rs inv.rs len.rs lerp.rs lib.rs min_max.rs new.rs norm.rs ops.rs set.rs transform.rs

weezl

decode.rs encode.rs error.rs lib.rs

x11

dpms.rs glx.rs internal.rs keysym.rs lib.rs link.rs xcursor.rs xf86vmode.rs xfixes.rs xft.rs xinerama.rs xinput.rs xinput2.rs xlib.rs xlib_xcb.rs xmd.rs xmu.rs xrandr.rs xrecord.rs xrender.rs xss.rs xt.rs xtest.rs

zlib_sys

use proc_macro::TokenStream;

#[cfg(not(feature="debug_parameters"))]
pub fn impl_debug_param_fn(_: TokenStream, input: TokenStream) -> TokenStream {
    input
}

#[cfg(feature="debug_parameters")]
pub fn impl_debug_param_fn(_: TokenStream, input: TokenStream) -> TokenStream {
    if let Ok(item_fn) = syn::parse::<syn::ItemFn>(input.clone()){
        let fn_vis = item_fn.vis;
        let fn_name = item_fn.sig.ident;
        let fn_inputs = &item_fn.sig.inputs;
        let fn_output = &item_fn.sig.output;
        let fn_block = item_fn.block;
        let fn_attrs = item_fn.attrs;
        let mut generics = item_fn.sig.generics.clone();
        generics.params.push(parse_quote!('w));
        let (impl_generics, _, where_clause) = generics.split_for_impl();

        let where_clause = if let Some(mut where_clause) = where_clause.cloned() {
            let debug_param_preducate = parse_quote!{
                <<C as ::Component>::Storage as ::Storage<'w, C>>::Get: ::DebugParameter
            };
            where_clause.predicates.push(debug_param_preducate);
            where_clause
        }else{
            parse_quote!{
                where <<C as ::Component>::Storage as ::Storage<'w, C>>::Get: ::DebugParameter
            }
        };

        let fn_impl = quote!{
            #( #fn_attrs )*
            #fn_vis fn #fn_name #impl_generics ( #fn_inputs ) #fn_output #where_clause
                #fn_block
        };

        TokenStream::from(fn_impl)
    }else if let Ok(item_fn) = syn::parse::<syn::TraitItemMethod>(input){
        let fn_name = &item_fn.sig.ident;
        let fn_inputs = &item_fn.sig.inputs;
        let fn_output = &item_fn.sig.output;
        let fn_attrs = item_fn.attrs;
        let mut generics = item_fn.sig.generics.clone();
        generics.params.push(parse_quote!('w));
        let (impl_generics, _, where_clause) = generics.split_for_impl();


        let where_clause = if let Some(mut where_clause) = where_clause.cloned() {
            let debug_param_preducate = parse_quote!{
                <<C as ::Component>::Storage as ::Storage<'w, C>>::Get: ::DebugParameter
            };
            where_clause.predicates.push(debug_param_preducate);
            where_clause
        }else{
            parse_quote!{
                where <<C as ::Component>::Storage as ::Storage<'w, C>>::Get: ::DebugParameter
            }
        };

        let fn_block = if let Some(block) = item_fn.default {
            quote!(#block)
        }else{
            quote!(;)
        };

        let fn_impl = quote!{
            #( #fn_attrs )*
            fn #fn_name #impl_generics ( #fn_inputs ) #fn_output #where_clause
                #fn_block
        };

        TokenStream::from(fn_impl)
    }else{
        panic!("debug_param_fn only available for functions or trait method declarations")
    }
}