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-rw-r--r--proc-macro-error/test-crate/Cargo.toml20
-rw-r--r--proc-macro-error/test-crate/src/lib.rs123
-rw-r--r--proc-macro-error/test-crate/tests/macro-errors.rs6
-rw-r--r--proc-macro-error/test-crate/tests/ok.rs9
-rw-r--r--proc-macro-error/test-crate/tests/ui/abort.rs6
-rw-r--r--proc-macro-error/test-crate/tests/ui/abort.stderr8
-rw-r--r--proc-macro-error/test-crate/tests/ui/call_site.rs6
-rw-r--r--proc-macro-error/test-crate/tests/ui/call_site.stderr8
-rw-r--r--proc-macro-error/test-crate/tests/ui/direct_abort.rs6
-rw-r--r--proc-macro-error/test-crate/tests/ui/direct_abort.stderr5
-rw-r--r--proc-macro-error/test-crate/tests/ui/dummy.rs16
-rw-r--r--proc-macro-error/test-crate/tests/ui/dummy.stderr5
-rw-r--r--proc-macro-error/test-crate/tests/ui/multi-error.rs6
-rw-r--r--proc-macro-error/test-crate/tests/ui/multi-error.stderr32
-rw-r--r--proc-macro-error/test-crate/tests/ui/not_proc_macro.rs4
-rw-r--r--proc-macro-error/test-crate/tests/ui/not_proc_macro.stderr8
-rw-r--r--proc-macro-error/test-crate/tests/ui/option_expect.rs6
-rw-r--r--proc-macro-error/test-crate/tests/ui/option_expect.stderr5
-rw-r--r--proc-macro-error/test-crate/tests/ui/result_expect.rs6
-rw-r--r--proc-macro-error/test-crate/tests/ui/result_expect.stderr5
-rw-r--r--proc-macro-error/test-crate/tests/ui/result_unwrap.rs6
-rw-r--r--proc-macro-error/test-crate/tests/ui/result_unwrap.stderr5
-rw-r--r--proc-macro-error/test-crate/tests/ui/unknown_setting.rs4
-rw-r--r--proc-macro-error/test-crate/tests/ui/unknown_setting.stderr5
-rw-r--r--proc-macro-error/test-crate/tests/ui/unrelated_panic.rs6
-rw-r--r--proc-macro-error/test-crate/tests/ui/unrelated_panic.stderr7
26 files changed, 323 insertions, 0 deletions
diff --git a/proc-macro-error/test-crate/Cargo.toml b/proc-macro-error/test-crate/Cargo.toml
new file mode 100644
index 0000000..96dadc3
--- /dev/null
+++ b/proc-macro-error/test-crate/Cargo.toml
@@ -0,0 +1,20 @@
+[package]
+name = "test-crate"
+version = "0.0.0"
+authors = ["CreepySkeleton <creepy-skeleton@yandex.ru>"]
+edition = "2018"
+publish = false
+
+[lib]
+proc-macro = true
+
+[dependencies]
+proc-macro-error = { path = "../proc-macro-error"}
+quote = "1"
+proc-macro2 = "1"
+syn = {version = "1", default-features = false }
+
+[dev-dependencies]
+trybuild = "1.0"
+rustversion = "1.0"
+toml = "=0.5.2" # DO NOT BUMP
diff --git a/proc-macro-error/test-crate/src/lib.rs b/proc-macro-error/test-crate/src/lib.rs
new file mode 100644
index 0000000..2ea9175
--- /dev/null
+++ b/proc-macro-error/test-crate/src/lib.rs
@@ -0,0 +1,123 @@
+#[macro_use]
+extern crate proc_macro_error;
+#[macro_use]
+extern crate syn;
+extern crate proc_macro;
+
+use proc_macro2::Span;
+use proc_macro_error::{set_dummy, Level, OptionExt, ResultExt};
+use syn::{
+ parse::{Parse, ParseStream},
+ punctuated::Punctuated,
+ spanned::Spanned,
+ Ident,
+};
+
+struct IdentOrUnderscore {
+ span: Span,
+ part: String,
+}
+
+impl IdentOrUnderscore {
+ fn new(span: Span, part: String) -> Self {
+ IdentOrUnderscore { span, part }
+ }
+}
+
+impl Parse for IdentOrUnderscore {
+ fn parse(input: ParseStream) -> syn::Result<Self> {
+ let la = input.lookahead1();
+
+ if la.peek(Ident) {
+ let t = input.parse::<Ident>().unwrap();
+ Ok(IdentOrUnderscore::new(t.span(), t.to_string()))
+ } else if la.peek(Token![_]) {
+ let t = input.parse::<Token![_]>().unwrap();
+ Ok(IdentOrUnderscore::new(t.span(), "_".to_string()))
+ } else {
+ Err(la.error())
+ }
+ }
+}
+
+struct Args(Vec<IdentOrUnderscore>);
+
+impl Parse for Args {
+ fn parse(input: ParseStream) -> syn::Result<Self> {
+ let args = Punctuated::<_, Token![,]>::parse_terminated(input)?;
+ Ok(Args(args.into_iter().collect()))
+ }
+}
+
+#[proc_macro]
+#[proc_macro_error]
+pub fn make_fn(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
+ let mut name = String::new();
+ let input = parse_macro_input!(input as Args);
+
+ for arg in input.0 {
+ match &*arg.part {
+ "abort" => abort!(
+ arg.span,
+ "abort! 3{} args {}", "+", "test";
+ hint = "help {} test", "message"
+ ),
+
+ "abort_call_site" => abort_call_site!(
+ "abort_call_site! 2{} args {}", "+", "test";
+ help = "help {} test", "message"
+ ),
+
+ "direct_abort" => {
+ diagnostic!(arg.span, Level::Error, "direct MacroError::abort() test").abort()
+ }
+
+ "result_expect" => {
+ let e = syn::Error::new(arg.span, "error");
+ Err(e).expect_or_abort("Result::expect_or_abort() test")
+ }
+
+ "result_unwrap" => {
+ let e = syn::Error::new(arg.span, "Result::unwrap_or_abort() test");
+ Err(e).unwrap_or_abort()
+ }
+
+ "option_expect" => None.expect_or_abort("Option::expect_or_abort() test"),
+
+ "need_default" => {
+ set_dummy(quote! {
+ impl Default for NeedDefault {
+ fn default() -> Self {
+ NeedDefault::A
+ }
+ }
+ });
+
+ abort!(arg.span, "set_dummy test")
+ }
+
+ part if part.starts_with("multi") => {
+ let no_help: Option<String> = Option::None;
+ let help = Some("Option help test");
+ emit_error!(
+ arg.span,
+ "multiple error part: {}", part;
+ note = "help {} test", "message";
+ hint =? help;
+ wow = "I see what you did here...";
+ help =? no_help
+ )
+ }
+
+ _ => name.push_str(&arg.part),
+ }
+ }
+
+ // test that unrelated panics are not affected
+ if name.is_empty() {
+ panic!("unrelated panic test")
+ }
+
+ let name = Ident::new(&name, Span::call_site());
+ quote!( fn #name() {} ).into()
+}
diff --git a/proc-macro-error/test-crate/tests/macro-errors.rs b/proc-macro-error/test-crate/tests/macro-errors.rs
new file mode 100644
index 0000000..8c672eb
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/macro-errors.rs
@@ -0,0 +1,6 @@
+#[rustversion::attr(any(not(stable), before(1.39)), ignore)]
+#[test]
+fn ui() {
+ let t = trybuild::TestCases::new();
+ t.compile_fail("tests/ui/*.rs");
+}
diff --git a/proc-macro-error/test-crate/tests/ok.rs b/proc-macro-error/test-crate/tests/ok.rs
new file mode 100644
index 0000000..9b6a3d1
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ok.rs
@@ -0,0 +1,9 @@
+extern crate test_crate;
+
+use test_crate::make_fn;
+
+make_fn!(it, _, works);
+
+fn main() {
+ it_works();
+}
diff --git a/proc-macro-error/test-crate/tests/ui/abort.rs b/proc-macro-error/test-crate/tests/ui/abort.rs
new file mode 100644
index 0000000..717d772
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/abort.rs
@@ -0,0 +1,6 @@
+extern crate test_crate;
+use test_crate::make_fn;
+
+make_fn!(abort);
+
+fn main() {}
diff --git a/proc-macro-error/test-crate/tests/ui/abort.stderr b/proc-macro-error/test-crate/tests/ui/abort.stderr
new file mode 100644
index 0000000..7c4e6a0
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/abort.stderr
@@ -0,0 +1,8 @@
+error: abort! 3+ args test
+
+ = help: help message test
+
+ --> $DIR/abort.rs:4:10
+ |
+4 | make_fn!(abort);
+ | ^^^^^
diff --git a/proc-macro-error/test-crate/tests/ui/call_site.rs b/proc-macro-error/test-crate/tests/ui/call_site.rs
new file mode 100644
index 0000000..7184cc4
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/call_site.rs
@@ -0,0 +1,6 @@
+extern crate test_crate;
+use test_crate::make_fn;
+
+make_fn!(abort_call_site);
+
+fn main() {}
diff --git a/proc-macro-error/test-crate/tests/ui/call_site.stderr b/proc-macro-error/test-crate/tests/ui/call_site.stderr
new file mode 100644
index 0000000..d630a3a
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/call_site.stderr
@@ -0,0 +1,8 @@
+error: abort_call_site! 2+ args test
+
+ = help: help message test
+
+ --> $DIR/call_site.rs:4:1
+ |
+4 | make_fn!(abort_call_site);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
diff --git a/proc-macro-error/test-crate/tests/ui/direct_abort.rs b/proc-macro-error/test-crate/tests/ui/direct_abort.rs
new file mode 100644
index 0000000..b5a4c97
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/direct_abort.rs
@@ -0,0 +1,6 @@
+extern crate test_crate;
+use test_crate::make_fn;
+
+make_fn!(direct_abort);
+
+fn main() {}
diff --git a/proc-macro-error/test-crate/tests/ui/direct_abort.stderr b/proc-macro-error/test-crate/tests/ui/direct_abort.stderr
new file mode 100644
index 0000000..7cfbae8
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/direct_abort.stderr
@@ -0,0 +1,5 @@
+error: direct MacroError::abort() test
+ --> $DIR/direct_abort.rs:4:10
+ |
+4 | make_fn!(direct_abort);
+ | ^^^^^^^^^^^^
diff --git a/proc-macro-error/test-crate/tests/ui/dummy.rs b/proc-macro-error/test-crate/tests/ui/dummy.rs
new file mode 100644
index 0000000..7514fe0
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/dummy.rs
@@ -0,0 +1,16 @@
+extern crate test_crate;
+use test_crate::make_fn;
+
+enum NeedDefault {
+ A,
+ B
+}
+
+make_fn!(need_default);
+
+fn main() {
+ let _ = NeedDefault::default();
+}
+
+
+
diff --git a/proc-macro-error/test-crate/tests/ui/dummy.stderr b/proc-macro-error/test-crate/tests/ui/dummy.stderr
new file mode 100644
index 0000000..fd531be
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/dummy.stderr
@@ -0,0 +1,5 @@
+error: set_dummy test
+ --> $DIR/dummy.rs:9:10
+ |
+9 | make_fn!(need_default);
+ | ^^^^^^^^^^^^
diff --git a/proc-macro-error/test-crate/tests/ui/multi-error.rs b/proc-macro-error/test-crate/tests/ui/multi-error.rs
new file mode 100644
index 0000000..07fbb03
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/multi-error.rs
@@ -0,0 +1,6 @@
+extern crate test_crate;
+use test_crate::make_fn;
+
+make_fn!(multi1, multi2, _, multi3);
+
+fn main() {}
diff --git a/proc-macro-error/test-crate/tests/ui/multi-error.stderr b/proc-macro-error/test-crate/tests/ui/multi-error.stderr
new file mode 100644
index 0000000..25174d5
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/multi-error.stderr
@@ -0,0 +1,32 @@
+error: multiple error part: multi1
+
+ = note: help message test
+ = help: Option help test
+ = note: I see what you did here...
+
+ --> $DIR/multi-error.rs:4:10
+ |
+4 | make_fn!(multi1, multi2, _, multi3);
+ | ^^^^^^
+
+error: multiple error part: multi2
+
+ = note: help message test
+ = help: Option help test
+ = note: I see what you did here...
+
+ --> $DIR/multi-error.rs:4:18
+ |
+4 | make_fn!(multi1, multi2, _, multi3);
+ | ^^^^^^
+
+error: multiple error part: multi3
+
+ = note: help message test
+ = help: Option help test
+ = note: I see what you did here...
+
+ --> $DIR/multi-error.rs:4:29
+ |
+4 | make_fn!(multi1, multi2, _, multi3);
+ | ^^^^^^
diff --git a/proc-macro-error/test-crate/tests/ui/not_proc_macro.rs b/proc-macro-error/test-crate/tests/ui/not_proc_macro.rs
new file mode 100644
index 0000000..e241c5c
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/not_proc_macro.rs
@@ -0,0 +1,4 @@
+use proc_macro_error::proc_macro_error;
+
+#[proc_macro_error]
+fn main() {}
diff --git a/proc-macro-error/test-crate/tests/ui/not_proc_macro.stderr b/proc-macro-error/test-crate/tests/ui/not_proc_macro.stderr
new file mode 100644
index 0000000..52d6a09
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/not_proc_macro.stderr
@@ -0,0 +1,8 @@
+error: #[proc_macro_error] attribute can be used only with a proc-macro
+
+ hint: if you are really sure that #[proc_macro_error] should be applied to this exact function use #[proc_macro_error(allow_not_macro)]
+
+ --> $DIR/not_proc_macro.rs:3:1
+ |
+3 | #[proc_macro_error]
+ | ^^^^^^^^^^^^^^^^^^^
diff --git a/proc-macro-error/test-crate/tests/ui/option_expect.rs b/proc-macro-error/test-crate/tests/ui/option_expect.rs
new file mode 100644
index 0000000..20288ca
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/option_expect.rs
@@ -0,0 +1,6 @@
+extern crate test_crate;
+use test_crate::make_fn;
+
+make_fn!(option_expect);
+
+fn main() {}
diff --git a/proc-macro-error/test-crate/tests/ui/option_expect.stderr b/proc-macro-error/test-crate/tests/ui/option_expect.stderr
new file mode 100644
index 0000000..dd9ecd8
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/option_expect.stderr
@@ -0,0 +1,5 @@
+error: Option::expect_or_abort() test
+ --> $DIR/option_expect.rs:4:1
+ |
+4 | make_fn!(option_expect);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^ in this macro invocation
diff --git a/proc-macro-error/test-crate/tests/ui/result_expect.rs b/proc-macro-error/test-crate/tests/ui/result_expect.rs
new file mode 100644
index 0000000..a42740b
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/result_expect.rs
@@ -0,0 +1,6 @@
+extern crate test_crate;
+use test_crate::make_fn;
+
+make_fn!(result_expect);
+
+fn main() {}
diff --git a/proc-macro-error/test-crate/tests/ui/result_expect.stderr b/proc-macro-error/test-crate/tests/ui/result_expect.stderr
new file mode 100644
index 0000000..c2dd81c
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/result_expect.stderr
@@ -0,0 +1,5 @@
+error: Result::expect_or_abort() test: error
+ --> $DIR/result_expect.rs:4:10
+ |
+4 | make_fn!(result_expect);
+ | ^^^^^^^^^^^^^
diff --git a/proc-macro-error/test-crate/tests/ui/result_unwrap.rs b/proc-macro-error/test-crate/tests/ui/result_unwrap.rs
new file mode 100644
index 0000000..9b7fb1c
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/result_unwrap.rs
@@ -0,0 +1,6 @@
+extern crate test_crate;
+use test_crate::make_fn;
+
+make_fn!(result_unwrap);
+
+fn main() {}
diff --git a/proc-macro-error/test-crate/tests/ui/result_unwrap.stderr b/proc-macro-error/test-crate/tests/ui/result_unwrap.stderr
new file mode 100644
index 0000000..2e614bd
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/result_unwrap.stderr
@@ -0,0 +1,5 @@
+error: Result::unwrap_or_abort() test
+ --> $DIR/result_unwrap.rs:4:10
+ |
+4 | make_fn!(result_unwrap);
+ | ^^^^^^^^^^^^^
diff --git a/proc-macro-error/test-crate/tests/ui/unknown_setting.rs b/proc-macro-error/test-crate/tests/ui/unknown_setting.rs
new file mode 100644
index 0000000..d8e58ea
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/unknown_setting.rs
@@ -0,0 +1,4 @@
+use proc_macro_error::proc_macro_error;
+
+#[proc_macro_error(allow_not_macro, assert_unwind_safe, trololo)]
+fn main() {}
diff --git a/proc-macro-error/test-crate/tests/ui/unknown_setting.stderr b/proc-macro-error/test-crate/tests/ui/unknown_setting.stderr
new file mode 100644
index 0000000..a55de0b
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/unknown_setting.stderr
@@ -0,0 +1,5 @@
+error: unknown setting `trololo`, expected one of `assert_unwind_safe`, `allow_not_macro`, `proc_macro_hack`
+ --> $DIR/unknown_setting.rs:3:57
+ |
+3 | #[proc_macro_error(allow_not_macro, assert_unwind_safe, trololo)]
+ | ^^^^^^^
diff --git a/proc-macro-error/test-crate/tests/ui/unrelated_panic.rs b/proc-macro-error/test-crate/tests/ui/unrelated_panic.rs
new file mode 100644
index 0000000..4863e5b
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/unrelated_panic.rs
@@ -0,0 +1,6 @@
+extern crate test_crate;
+use test_crate::make_fn;
+
+make_fn!();
+
+fn main() {}
diff --git a/proc-macro-error/test-crate/tests/ui/unrelated_panic.stderr b/proc-macro-error/test-crate/tests/ui/unrelated_panic.stderr
new file mode 100644
index 0000000..b852cfd
--- /dev/null
+++ b/proc-macro-error/test-crate/tests/ui/unrelated_panic.stderr
@@ -0,0 +1,7 @@
+error: proc macro panicked
+ --> $DIR/unrelated_panic.rs:4:1
+ |
+4 | make_fn!();
+ | ^^^^^^^^^^^
+ |
+ = help: message: unrelated panic test