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-rw-r--r--.cargo_vcs_info.json2
-rw-r--r--.travis.yml18
-rw-r--r--Cargo.toml11
-rw-r--r--Cargo.toml.orig11
-rw-r--r--METADATA12
-rw-r--r--OWNERS1
-rw-r--r--README.md21
-rw-r--r--src/lib.rs22
-rw-r--r--tests/compiletest.rs6
-rw-r--r--tests/test.rs84
-rw-r--r--tests/ui/case-warning.rs13
-rw-r--r--tests/ui/case-warning.stderr16
-rw-r--r--tests/ui/no-env-var.rs5
-rw-r--r--tests/ui/no-env-var.stderr5
-rw-r--r--tests/ui/unexpected-modifier.rs5
-rw-r--r--tests/ui/unexpected-modifier.stderr5
-rw-r--r--tests/ui/unsupported-modifier.rs5
-rw-r--r--tests/ui/unsupported-modifier.stderr5
18 files changed, 237 insertions, 10 deletions
diff --git a/.cargo_vcs_info.json b/.cargo_vcs_info.json
index bcbbaac..28d7b30 100644
--- a/.cargo_vcs_info.json
+++ b/.cargo_vcs_info.json
@@ -1,5 +1,5 @@
{
"git": {
- "sha1": "1638f7a113f03e6bf10df488c2347acecb83e1d7"
+ "sha1": "5feb37605c9ec2d237651dbd669e3527566a839e"
}
}
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..da4d076
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,18 @@
+language: rust
+
+rust:
+ - 1.31.0
+ - stable
+ - beta
+ - nightly
+
+script: cargo test
+
+matrix:
+ include:
+ - rust: nightly
+ name: Minimal versions
+ before_script:
+ - cargo -Z minimal-versions generate-lockfile
+ script:
+ - cargo check --locked
diff --git a/Cargo.toml b/Cargo.toml
index ad8c6df..f9d3ead 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,16 +13,23 @@
[package]
edition = "2018"
name = "paste"
-version = "0.1.7"
+version = "0.1.10"
authors = ["David Tolnay <dtolnay@gmail.com>"]
description = "Macros for all your token pasting needs"
readme = "README.md"
license = "MIT OR Apache-2.0"
repository = "https://github.com/dtolnay/paste"
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
[dependencies.paste-impl]
-version = "=0.1.7"
+version = "=0.1.10"
[dependencies.proc-macro-hack]
version = "0.5.9"
+[dev-dependencies.rustversion]
+version = "1.0"
+
+[dev-dependencies.trybuild]
+version = "1.0"
[badges.travis-ci]
repository = "dtolnay/paste"
diff --git a/Cargo.toml.orig b/Cargo.toml.orig
index 1758544..6f0d704 100644
--- a/Cargo.toml.orig
+++ b/Cargo.toml.orig
@@ -1,6 +1,6 @@
[package]
name = "paste"
-version = "0.1.7"
+version = "0.1.10"
authors = ["David Tolnay <dtolnay@gmail.com>"]
edition = "2018"
license = "MIT OR Apache-2.0"
@@ -12,8 +12,15 @@ readme = "README.md"
travis-ci = { repository = "dtolnay/paste" }
[dependencies]
-paste-impl = { version = "=0.1.7", path = "impl" }
+paste-impl = { version = "=0.1.10", path = "impl" }
proc-macro-hack = "0.5.9"
+[dev-dependencies]
+rustversion = "1.0"
+trybuild = "1.0"
+
[workspace]
members = ["impl"]
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
diff --git a/METADATA b/METADATA
index 4cdc4e4..bf81f11 100644
--- a/METADATA
+++ b/METADATA
@@ -1,7 +1,5 @@
name: "paste"
-description:
- "Macros for all your token pasting needs"
-
+description: "Macros for all your token pasting needs"
third_party {
url {
type: HOMEPAGE
@@ -11,7 +9,11 @@ third_party {
type: GIT
value: "https://github.com/dtolnay/paste"
}
- version: "0.1.7"
- last_upgrade_date { year: 2020 month: 3 day: 17 }
+ version: "0.1.10"
license_type: NOTICE
+ last_upgrade_date {
+ year: 2020
+ month: 4
+ day: 17
+ }
}
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..46fc303
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1 @@
+include platform/prebuilts/rust:/OWNERS
diff --git a/README.md b/README.md
index b33c810..4204dbe 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,8 @@ paste = "0.1"
This approach works with any stable or nightly Rust compiler 1.30+.
+<br>
+
## Pasting identifiers
There are two entry points, `paste::expr!` for macros in expression position and
@@ -45,6 +47,8 @@ fn main() {
}
```
+<br>
+
## More elaborate examples
This program demonstrates how you may want to bundle a paste invocation inside
@@ -116,6 +120,23 @@ fn call_some_getters(s: &S) -> bool {
<br>
+## Case conversion
+
+Use `$var:lower` or `$var:upper` in the segment list to convert an interpolated
+segment to lower- or uppercase as part of the paste. For example, `[<ld_
+$reg:lower _expr>]` would paste to `ld_bc_expr` if invoked with $reg=`Bc`.
+
+Use `$var:snake` to convert CamelCase input to snake\_case. These compose, so
+for example `$var:snake:upper` would give you SCREAMING\_CASE.
+
+The precise Unicode conversions are as defined by [`str::to_lowercase`] and
+[`str::to_uppercase`].
+
+[`str::to_lowercase`]: https://doc.rust-lang.org/std/primitive.str.html#method.to_lowercase
+[`str::to_uppercase`]: https://doc.rust-lang.org/std/primitive.str.html#method.to_uppercase
+
+<br>
+
#### License
<sup>
diff --git a/src/lib.rs b/src/lib.rs
index 34663c5..8125222 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -9,6 +9,8 @@
//!
//! This approach works with any stable or nightly Rust compiler 1.30+.
//!
+//! <br>
+//!
//! # Pasting identifiers
//!
//! There are two entry points, `paste::expr!` for macros in expression position and
@@ -33,6 +35,8 @@
//! }
//! ```
//!
+//! <br><br>
+//!
//! # More elaborate examples
//!
//! This program demonstrates how you may want to bundle a paste invocation inside
@@ -103,6 +107,24 @@
//! #
//! # fn main() {}
//! ```
+//!
+//! <br><br>
+//!
+//! # Case conversion
+//!
+//! Use `$var:lower` or `$var:upper` in the segment list to convert an
+//! interpolated segment to lower- or uppercase as part of the paste. For
+//! example, `[<ld_ $reg:lower _expr>]` would paste to `ld_bc_expr` if invoked
+//! with $reg=`Bc`.
+//!
+//! Use `$var:snake` to convert CamelCase input to snake\_case. These compose,
+//! so for example `$var:snake:upper` would give you SCREAMING\_CASE.
+//!
+//! The precise Unicode conversions are as defined by [`str::to_lowercase`] and
+//! [`str::to_uppercase`].
+//!
+//! [`str::to_lowercase`]: https://doc.rust-lang.org/std/primitive.str.html#method.to_lowercase
+//! [`str::to_uppercase`]: https://doc.rust-lang.org/std/primitive.str.html#method.to_uppercase
#![no_std]
diff --git a/tests/compiletest.rs b/tests/compiletest.rs
new file mode 100644
index 0000000..f9aea23
--- /dev/null
+++ b/tests/compiletest.rs
@@ -0,0 +1,6 @@
+#[rustversion::attr(not(nightly), ignore)]
+#[test]
+fn ui() {
+ let t = trybuild::TestCases::new();
+ t.compile_fail("tests/ui/*.rs");
+}
diff --git a/tests/test.rs b/tests/test.rs
index e96a2d2..435eb71 100644
--- a/tests/test.rs
+++ b/tests/test.rs
@@ -171,3 +171,87 @@ mod test_none_delimited_single_ident {
assert_eq!(f(), "i32x4");
}
}
+
+mod test_to_lower {
+ macro_rules! m {
+ ($id:ident) => {
+ paste::item! {
+ fn [<my_ $id:lower _here>](_arg: u8) -> &'static str {
+ stringify!([<$id:lower>])
+ }
+ }
+ };
+ }
+
+ m!(Test);
+
+ #[test]
+ fn test_to_lower() {
+ assert_eq!(my_test_here(0), "test");
+ }
+}
+
+#[test]
+fn test_env_to_lower() {
+ paste::expr! {
+ struct [<Lib env!("CARGO_PKG_NAME"):lower>];
+
+ let _ = Libpaste;
+ }
+}
+
+mod test_to_upper {
+ macro_rules! m {
+ ($id:ident) => {
+ paste::item! {
+ const [<MY_ $id:upper _HERE>]: &str = stringify!([<$id:upper>]);
+ }
+ };
+ }
+
+ m!(Test);
+
+ #[test]
+ fn test_to_upper() {
+ assert_eq!(MY_TEST_HERE, "TEST");
+ }
+}
+
+#[test]
+fn test_env_to_upper() {
+ paste::expr! {
+ const [<LIB env!("CARGO_PKG_NAME"):upper>]: &str = "libpaste";
+
+ let _ = LIBPASTE;
+ }
+}
+
+mod test_to_snake {
+ macro_rules! m {
+ ($id:ident) => {
+ paste::item! {
+ const DEFAULT_SNAKE: &str = stringify!([<$id:snake>]);
+ const LOWER_SNAKE: &str = stringify!([<$id:snake:lower>]);
+ const UPPER_SNAKE: &str = stringify!([<$id:snake:upper>]);
+ }
+ };
+ }
+
+ m!(ThisIsButATest);
+
+ #[test]
+ fn test_to_snake() {
+ assert_eq!(DEFAULT_SNAKE, "this_is_but_a_test");
+ assert_eq!(LOWER_SNAKE, "this_is_but_a_test");
+ assert_eq!(UPPER_SNAKE, "THIS_IS_BUT_A_TEST");
+ }
+}
+
+#[test]
+fn test_env_to_snake() {
+ paste::expr! {
+ const [<LIB env!("CARGO_PKG_NAME"):snake:upper>]: &str = "libpaste";
+
+ let _ = LIBPASTE;
+ }
+}
diff --git a/tests/ui/case-warning.rs b/tests/ui/case-warning.rs
new file mode 100644
index 0000000..4b41ab6
--- /dev/null
+++ b/tests/ui/case-warning.rs
@@ -0,0 +1,13 @@
+#![deny(warnings)]
+
+macro_rules! m {
+ ($i:ident) => {
+ paste::item! {
+ pub fn [<foo $i>]() {}
+ }
+ };
+}
+
+m!(Bar);
+
+fn main() {}
diff --git a/tests/ui/case-warning.stderr b/tests/ui/case-warning.stderr
new file mode 100644
index 0000000..5bf37a0
--- /dev/null
+++ b/tests/ui/case-warning.stderr
@@ -0,0 +1,16 @@
+error: function `fooBar` should have a snake case name
+ --> $DIR/case-warning.rs:6:20
+ |
+6 | pub fn [<foo $i>]() {}
+ | ^^^^^^^^^^ help: convert the identifier to snake case: `foo_bar`
+...
+11 | m!(Bar);
+ | -------- in this macro invocation
+ |
+note: the lint level is defined here
+ --> $DIR/case-warning.rs:1:9
+ |
+1 | #![deny(warnings)]
+ | ^^^^^^^^
+ = note: `#[deny(non_snake_case)]` implied by `#[deny(warnings)]`
+ = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
diff --git a/tests/ui/no-env-var.rs b/tests/ui/no-env-var.rs
new file mode 100644
index 0000000..87aad35
--- /dev/null
+++ b/tests/ui/no-env-var.rs
@@ -0,0 +1,5 @@
+paste::item! {
+ fn [<a env!("PASTE_UNKNOWN") b>]() {}
+}
+
+fn main() {}
diff --git a/tests/ui/no-env-var.stderr b/tests/ui/no-env-var.stderr
new file mode 100644
index 0000000..2ec206d
--- /dev/null
+++ b/tests/ui/no-env-var.stderr
@@ -0,0 +1,5 @@
+error: no such env var
+ --> $DIR/no-env-var.rs:2:17
+ |
+2 | fn [<a env!("PASTE_UNKNOWN") b>]() {}
+ | ^^^^^^^^^^^^^^^
diff --git a/tests/ui/unexpected-modifier.rs b/tests/ui/unexpected-modifier.rs
new file mode 100644
index 0000000..00a1e99
--- /dev/null
+++ b/tests/ui/unexpected-modifier.rs
@@ -0,0 +1,5 @@
+paste::item! {
+ fn [<:lower x>]() {}
+}
+
+fn main() {}
diff --git a/tests/ui/unexpected-modifier.stderr b/tests/ui/unexpected-modifier.stderr
new file mode 100644
index 0000000..4a518b8
--- /dev/null
+++ b/tests/ui/unexpected-modifier.stderr
@@ -0,0 +1,5 @@
+error: unexpected modifier
+ --> $DIR/unexpected-modifier.rs:2:10
+ |
+2 | fn [<:lower x>]() {}
+ | ^^^^^^
diff --git a/tests/ui/unsupported-modifier.rs b/tests/ui/unsupported-modifier.rs
new file mode 100644
index 0000000..5ab049f
--- /dev/null
+++ b/tests/ui/unsupported-modifier.rs
@@ -0,0 +1,5 @@
+paste::item! {
+ fn [<a:pillow>]() {}
+}
+
+fn main() {}
diff --git a/tests/ui/unsupported-modifier.stderr b/tests/ui/unsupported-modifier.stderr
new file mode 100644
index 0000000..ffbc742
--- /dev/null
+++ b/tests/ui/unsupported-modifier.stderr
@@ -0,0 +1,5 @@
+error: unsupported modifier
+ --> $DIR/unsupported-modifier.rs:2:11
+ |
+2 | fn [<a:pillow>]() {}
+ | ^^^^^^^
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 05:50:30 +0000