rust/tests/ui-fulldeps/fluent-messages/test.rs

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macros: introduce `fluent_messages` macro Adds a new `fluent_messages` macro which performs compile-time validation of the compiler's Fluent resources (i.e. that the resources parse and don't multiply define the same messages) and generates constants that make using those messages in diagnostics more ergonomic. For example, given the following invocation of the macro.. ```ignore (rust) fluent_messages! { typeck => "./typeck.ftl", } ``` ..where `typeck.ftl` has the following contents.. ```fluent typeck-field-multiply-specified-in-initializer = field `{$ident}` specified more than once .label = used more than once .label-previous-use = first use of `{$ident}` ``` ...then the macro parse the Fluent resource, emitting a diagnostic if it fails to do so, and will generate the following code: ```ignore (rust) pub static DEFAULT_LOCALE_RESOURCES: &'static [&'static str] = &[ include_str!("./typeck.ftl"), ]; mod fluent_generated { mod typeck { pub const field_multiply_specified_in_initializer: DiagnosticMessage = DiagnosticMessage::fluent("typeck-field-multiply-specified-in-initializer"); pub const field_multiply_specified_in_initializer_label_previous_use: DiagnosticMessage = DiagnosticMessage::fluent_attr( "typeck-field-multiply-specified-in-initializer", "previous-use-label" ); } } ``` When emitting a diagnostic, the generated constants can be used as follows: ```ignore (rust) let mut err = sess.struct_span_err( span, fluent::typeck::field_multiply_specified_in_initializer ); err.span_default_label(span); err.span_label( previous_use_span, fluent::typeck::field_multiply_specified_in_initializer_label_previous_use ); err.emit(); ``` Signed-off-by: David Wood <david.wood@huawei.com>
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// normalize-stderr-test "note.*" -> "note: os-specific message"
#![feature(rustc_private)]
#![crate_type = "lib"]
extern crate rustc_macros;
use rustc_macros::fluent_messages;
/// Copy of the relevant `DiagnosticMessage` variant constructed by `fluent_messages` as it
/// expects `crate::DiagnosticMessage` to exist.
pub enum DiagnosticMessage {
FluentIdentifier(std::borrow::Cow<'static, str>, Option<std::borrow::Cow<'static, str>>),
}
/// Copy of the relevant `SubdiagnosticMessage` variant constructed by `fluent_messages` as it
/// expects `crate::SubdiagnosticMessage` to exist.
pub enum SubdiagnosticMessage {
FluentAttr(std::borrow::Cow<'static, str>),
}
macros: introduce `fluent_messages` macro Adds a new `fluent_messages` macro which performs compile-time validation of the compiler's Fluent resources (i.e. that the resources parse and don't multiply define the same messages) and generates constants that make using those messages in diagnostics more ergonomic. For example, given the following invocation of the macro.. ```ignore (rust) fluent_messages! { typeck => "./typeck.ftl", } ``` ..where `typeck.ftl` has the following contents.. ```fluent typeck-field-multiply-specified-in-initializer = field `{$ident}` specified more than once .label = used more than once .label-previous-use = first use of `{$ident}` ``` ...then the macro parse the Fluent resource, emitting a diagnostic if it fails to do so, and will generate the following code: ```ignore (rust) pub static DEFAULT_LOCALE_RESOURCES: &'static [&'static str] = &[ include_str!("./typeck.ftl"), ]; mod fluent_generated { mod typeck { pub const field_multiply_specified_in_initializer: DiagnosticMessage = DiagnosticMessage::fluent("typeck-field-multiply-specified-in-initializer"); pub const field_multiply_specified_in_initializer_label_previous_use: DiagnosticMessage = DiagnosticMessage::fluent_attr( "typeck-field-multiply-specified-in-initializer", "previous-use-label" ); } } ``` When emitting a diagnostic, the generated constants can be used as follows: ```ignore (rust) let mut err = sess.struct_span_err( span, fluent::typeck::field_multiply_specified_in_initializer ); err.span_default_label(span); err.span_label( previous_use_span, fluent::typeck::field_multiply_specified_in_initializer_label_previous_use ); err.emit(); ``` Signed-off-by: David Wood <david.wood@huawei.com>
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mod missing_absolute {
use super::fluent_messages;
fluent_messages! {
missing_absolute => "/definitely_does_not_exist.ftl",
//~^ ERROR could not open Fluent resource
}
}
mod missing_relative {
use super::fluent_messages;
fluent_messages! {
missing_relative => "../definitely_does_not_exist.ftl",
//~^ ERROR could not open Fluent resource
}
}
mod missing_message {
use super::fluent_messages;
fluent_messages! {
missing_message => "./missing-message.ftl",
//~^ ERROR could not parse Fluent resource
}
}
mod duplicate {
use super::fluent_messages;
fluent_messages! {
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//~^ ERROR the name `a_b_key` is defined multiple times
macros: introduce `fluent_messages` macro Adds a new `fluent_messages` macro which performs compile-time validation of the compiler's Fluent resources (i.e. that the resources parse and don't multiply define the same messages) and generates constants that make using those messages in diagnostics more ergonomic. For example, given the following invocation of the macro.. ```ignore (rust) fluent_messages! { typeck => "./typeck.ftl", } ``` ..where `typeck.ftl` has the following contents.. ```fluent typeck-field-multiply-specified-in-initializer = field `{$ident}` specified more than once .label = used more than once .label-previous-use = first use of `{$ident}` ``` ...then the macro parse the Fluent resource, emitting a diagnostic if it fails to do so, and will generate the following code: ```ignore (rust) pub static DEFAULT_LOCALE_RESOURCES: &'static [&'static str] = &[ include_str!("./typeck.ftl"), ]; mod fluent_generated { mod typeck { pub const field_multiply_specified_in_initializer: DiagnosticMessage = DiagnosticMessage::fluent("typeck-field-multiply-specified-in-initializer"); pub const field_multiply_specified_in_initializer_label_previous_use: DiagnosticMessage = DiagnosticMessage::fluent_attr( "typeck-field-multiply-specified-in-initializer", "previous-use-label" ); } } ``` When emitting a diagnostic, the generated constants can be used as follows: ```ignore (rust) let mut err = sess.struct_span_err( span, fluent::typeck::field_multiply_specified_in_initializer ); err.span_default_label(span); err.span_label( previous_use_span, fluent::typeck::field_multiply_specified_in_initializer_label_previous_use ); err.emit(); ``` Signed-off-by: David Wood <david.wood@huawei.com>
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a => "./duplicate-a.ftl",
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a_b => "./duplicate-a-b.ftl",
//~^ ERROR overrides existing message: `a_b_key`
macros: introduce `fluent_messages` macro Adds a new `fluent_messages` macro which performs compile-time validation of the compiler's Fluent resources (i.e. that the resources parse and don't multiply define the same messages) and generates constants that make using those messages in diagnostics more ergonomic. For example, given the following invocation of the macro.. ```ignore (rust) fluent_messages! { typeck => "./typeck.ftl", } ``` ..where `typeck.ftl` has the following contents.. ```fluent typeck-field-multiply-specified-in-initializer = field `{$ident}` specified more than once .label = used more than once .label-previous-use = first use of `{$ident}` ``` ...then the macro parse the Fluent resource, emitting a diagnostic if it fails to do so, and will generate the following code: ```ignore (rust) pub static DEFAULT_LOCALE_RESOURCES: &'static [&'static str] = &[ include_str!("./typeck.ftl"), ]; mod fluent_generated { mod typeck { pub const field_multiply_specified_in_initializer: DiagnosticMessage = DiagnosticMessage::fluent("typeck-field-multiply-specified-in-initializer"); pub const field_multiply_specified_in_initializer_label_previous_use: DiagnosticMessage = DiagnosticMessage::fluent_attr( "typeck-field-multiply-specified-in-initializer", "previous-use-label" ); } } ``` When emitting a diagnostic, the generated constants can be used as follows: ```ignore (rust) let mut err = sess.struct_span_err( span, fluent::typeck::field_multiply_specified_in_initializer ); err.span_default_label(span); err.span_label( previous_use_span, fluent::typeck::field_multiply_specified_in_initializer_label_previous_use ); err.emit(); ``` Signed-off-by: David Wood <david.wood@huawei.com>
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}
}
mod slug_with_hyphens {
use super::fluent_messages;
fluent_messages! {
slug_with_hyphens => "./slug-with-hyphens.ftl",
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//~^ ERROR name `slug_with_hyphens_this-slug-has-hyphens` contains a '-' character
}
}
mod label_with_hyphens {
use super::fluent_messages;
fluent_messages! {
label_with_hyphens => "./label-with-hyphens.ftl",
//~^ ERROR attribute `label-has-hyphens` contains a '-' character
}
}
macros: introduce `fluent_messages` macro Adds a new `fluent_messages` macro which performs compile-time validation of the compiler's Fluent resources (i.e. that the resources parse and don't multiply define the same messages) and generates constants that make using those messages in diagnostics more ergonomic. For example, given the following invocation of the macro.. ```ignore (rust) fluent_messages! { typeck => "./typeck.ftl", } ``` ..where `typeck.ftl` has the following contents.. ```fluent typeck-field-multiply-specified-in-initializer = field `{$ident}` specified more than once .label = used more than once .label-previous-use = first use of `{$ident}` ``` ...then the macro parse the Fluent resource, emitting a diagnostic if it fails to do so, and will generate the following code: ```ignore (rust) pub static DEFAULT_LOCALE_RESOURCES: &'static [&'static str] = &[ include_str!("./typeck.ftl"), ]; mod fluent_generated { mod typeck { pub const field_multiply_specified_in_initializer: DiagnosticMessage = DiagnosticMessage::fluent("typeck-field-multiply-specified-in-initializer"); pub const field_multiply_specified_in_initializer_label_previous_use: DiagnosticMessage = DiagnosticMessage::fluent_attr( "typeck-field-multiply-specified-in-initializer", "previous-use-label" ); } } ``` When emitting a diagnostic, the generated constants can be used as follows: ```ignore (rust) let mut err = sess.struct_span_err( span, fluent::typeck::field_multiply_specified_in_initializer ); err.span_default_label(span); err.span_label( previous_use_span, fluent::typeck::field_multiply_specified_in_initializer_label_previous_use ); err.emit(); ``` Signed-off-by: David Wood <david.wood@huawei.com>
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mod valid {
use super::fluent_messages;
fluent_messages! {
valid => "./valid.ftl",
}
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use self::fluent_generated::{DEFAULT_LOCALE_RESOURCES, valid_key};
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}
mod missing_crate_name {
use super::fluent_messages;
fluent_messages! {
test_crate => "./missing-crate-name.ftl",
//~^ ERROR name `test-crate_foo` contains a '-' character
//~| ERROR name `with-hyphens` contains a '-' character
//~| ERROR name `with-hyphens` does not start with the crate name
}
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use self::fluent_generated::{DEFAULT_LOCALE_RESOURCES, test_crate_foo, with_hyphens};
macros: introduce `fluent_messages` macro Adds a new `fluent_messages` macro which performs compile-time validation of the compiler's Fluent resources (i.e. that the resources parse and don't multiply define the same messages) and generates constants that make using those messages in diagnostics more ergonomic. For example, given the following invocation of the macro.. ```ignore (rust) fluent_messages! { typeck => "./typeck.ftl", } ``` ..where `typeck.ftl` has the following contents.. ```fluent typeck-field-multiply-specified-in-initializer = field `{$ident}` specified more than once .label = used more than once .label-previous-use = first use of `{$ident}` ``` ...then the macro parse the Fluent resource, emitting a diagnostic if it fails to do so, and will generate the following code: ```ignore (rust) pub static DEFAULT_LOCALE_RESOURCES: &'static [&'static str] = &[ include_str!("./typeck.ftl"), ]; mod fluent_generated { mod typeck { pub const field_multiply_specified_in_initializer: DiagnosticMessage = DiagnosticMessage::fluent("typeck-field-multiply-specified-in-initializer"); pub const field_multiply_specified_in_initializer_label_previous_use: DiagnosticMessage = DiagnosticMessage::fluent_attr( "typeck-field-multiply-specified-in-initializer", "previous-use-label" ); } } ``` When emitting a diagnostic, the generated constants can be used as follows: ```ignore (rust) let mut err = sess.struct_span_err( span, fluent::typeck::field_multiply_specified_in_initializer ); err.span_default_label(span); err.span_label( previous_use_span, fluent::typeck::field_multiply_specified_in_initializer_label_previous_use ); err.emit(); ``` Signed-off-by: David Wood <david.wood@huawei.com>
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}