8000 em compilation fails, traits not implemented, and some missing imports? · Issue #49 · calebwin/emu · GitHub
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em compilation fails, traits not implemented, and some missing imports? #49
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@twirrim

Description

@twirrim

rustc 1.53.0 (53cb7b09b 2021-06-17)
cargo 1.53.0 (4369396ce 2021-04-27)

Same happens under Windows and Linux (given the errors, I doubted it was an OS level issue)

Steps to recreate:

cargo new emdemo
cd emdemo
echo 'em = "0.3.0"' >> Cargo.toml
cargo build

There's a few errors being reported,
Errors messages follow. The first 4 are similar, all in accelerating.rs:

error[E0433]: failed to resolve: could not find `__rt` in `quote`
   --> /home/paul/.cargo/registry/src/github.com-1ecc6299db9ec823/emu_macro-0.1.0/src/accelerating.rs:123:72
    |
123 | ...                   .is_ident(&Ident::new("load", quote::__rt::Span::call_site()))
    |                                                                  ^^^^ not found in `quote::__rt`
    |
help: consider importing one of these items
    |
3   | use crate::Span;
    |
3   | use crate::__private::Span;
    |
3   | use proc_macro2::Span;
    |
3   | use proc_macro::Span;
    |
      and 3 other candidates
error[E0433]: failed to resolve: could not find `__rt` in `quote`
   --> /home/paul/.cargo/registry/src/github.com-1ecc6299db9ec823/emu_macro-0.1.0/src/accelerating.rs:169:72
    |
169 | ...                   .is_ident(&Ident::new("read", quote::__rt::Span::call_site()))
    |                                                                  ^^^^ not found in `quote::__rt`
    |
help: consider importing one of these items
    |
3   | use crate::Span;
    |
3   | use crate::__private::Span;
    |
3   | use proc_macro2::Span;
    |
3   | use proc_macro::Span;
    |
      and 3 other candidates
error[E0433]: failed to resolve: could not find `__rt` in `quote`
   --> /home/paul/.cargo/registry/src/github.com-1ecc6299db9ec823/emu_macro-0.1.0/src/accelerating.rs:193:74
    |
193 | ...                   .is_ident(&Ident::new("launch", quote::__rt::Span::call_site()))
    |                                                                    ^^^^ not found in `quote::__rt`
    |
help: consider importing one of these items
    |
3   | use crate::Span;
    |
3   | use crate::__private::Span;
    |
3   | use proc_macro2::Span;
    |
3   | use proc_macro::Span;
    |
      and 3 other candidates
error[E0433]: failed to resolve: could not find `__rt` in `quote`
   --> /home/paul/.cargo/registry/src/github.com-1ecc6299db9ec823/emu_macro-0.1.0/src/accelerating.rs:259:70
    |
259 |                     let ident = Ident::new(&param.name, quote::__rt::Span::call_site());
    |                                                                      ^^^^ not found in `quote::__rt`
    |
help: consider importing one of these items
    |
3   | use crate::Span;
    |
3   | use crate::__private::Span;
    |
3   | use proc_macro2::Span;
    |
3   | use proc_macro::Span;
    |
      and 3 other candidates

   Compiling num-bigint v0.1.44

Then the 5th is quite different:

error[E0277]: the trait bound `syn::Expr: From<TokenStream2>` is not satisfied
   --> /home/paul/.cargo/registry/src/github.com-1ecc6299db9ec823/emu_macro-0.1.0/src/passing.rs:337:50
    |
337 |                     let gpu_ident = quote! {gpu}.into();
    |                                                  ^^^^ the trait `From<TokenStream2>` is not implemented for `syn::Expr`
    |
    = help: the following implementations were found:
              <syn::Expr as From<ExprArray>>
              <syn::Expr as From<ExprAssign>>
              <syn::Expr as From<ExprAssignOp>>
              <syn::Expr as From<ExprAsync>>
            and 35 others
    = note: required because of the requirements on the impl of `Into<syn::Expr>` for `TokenStream2`

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