Remove thiserror dependency

Uses derive_more instead

api/rs/build/Cargo.toml

@@ -25,5 +25,5 @@ i-slint-compiler = { workspace = true, features = ["default", "rust", "display-d
 i-slint-core-macros = { workspace = true }
 
 spin_on = { workspace = true }
-thiserror = "1"
 toml_edit = { workspace = true }
+derive_more = { workspace = true, features = ["std", "error"] }

api/rs/build/lib.rs

@@ -192,17 +192,17 @@ impl CompilerConfiguration {
 }
 
 /// Error returned by the `compile` function
-#[derive(thiserror::Error, Debug)]
+#[derive(derive_more::Error, derive_more::Display, Debug)]
 #[non_exhaustive]
 pub enum CompileError {
     /// Cannot read environment variable CARGO_MANIFEST_DIR or OUT_DIR. The build script need to be run via cargo.
-    #[error("Cannot read environment variable CARGO_MANIFEST_DIR or OUT_DIR. The build script need to be run via cargo.")]
+    #[display("Cannot read environment variable CARGO_MANIFEST_DIR or OUT_DIR. The build script need to be run via cargo.")]
     NotRunViaCargo,
     /// Parse error. The error are printed in the stderr, and also are in the vector
-    #[error("{0:?}")]
-    CompileError(Vec<String>),
+    #[display("{_0:?}")]
+    CompileError(#[error(not(source))] Vec<String>),
     /// Cannot write the generated file
-    #[error("Cannot write the generated file: {0}")]
+    #[display("Cannot write the generated file: {_0}")]
     SaveError(std::io::Error),
 }
 

internal/compiler/Cargo.toml

@@ -50,7 +50,6 @@ quote = { version = "1.0", optional = true }
 proc-macro2 = { version = "1.0.17", optional = true }
 lyon_path = { version = "1.0" }
 lyon_extra = "1.0.1"
-thiserror = "1"
 by_address = { workspace = true }
 itertools = { workspace = true }
 once_cell = "1"

internal/interpreter/Cargo.toml

@@ -125,11 +125,10 @@ i-slint-backend-selector = { workspace = true, features = ["rtti"] }
 
 vtable = { workspace = true }
 
-derive_more = { workspace = true }
+derive_more = { workspace = true, features = ["std", "error"] }
 generativity = "1"
 lyon_path = { version = "1.0" }
 once_cell = "1.5"
-thiserror = "1"
 document-features = { version = "0.2.0", optional = true }
 spin_on = { workspace = true, optional = true }
 raw-window-handle-06 = { workspace = true, optional = true }

internal/interpreter/api.rs

@@ -1580,48 +1580,48 @@ impl From<ComponentInstance>
 }
 
 /// Error returned by [`ComponentInstance::get_property`]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, thiserror::Error)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, derive_more::Error, derive_more::Display)]
 #[non_exhaustive]
 pub enum GetPropertyError {
     /// There is no property with the given name
-    #[error("no such property")]
+    #[display("no such property")]
     NoSuchProperty,
 }
 
 /// Error returned by [`ComponentInstance::set_property`]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, thiserror::Error)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, derive_more::Error, derive_more::Display)]
 #[non_exhaustive]
 pub enum SetPropertyError {
     /// There is no property with the given name.
-    #[error("no such property")]
+    #[display("no such property")]
     NoSuchProperty,
     /// The property exists but does not have a type matching the dynamic value.
     ///
     /// This happens for example when assigning a source struct value to a target
     /// struct property, where the source doesn't have all the fields the target struct
     /// requires.
-    #[error("wrong type")]
+    #[display("wrong type")]
     WrongType,
     /// Attempt to set an output property.
-    #[error("access denied")]
+    #[display("access denied")]
     AccessDenied,
 }
 
 /// Error returned by [`ComponentInstance::set_callback`]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, thiserror::Error)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, derive_more::Error, derive_more::Display)]
 #[non_exhaustive]
 pub enum SetCallbackError {
     /// There is no callback with the given name
-    #[error("no such callback")]
+    #[display("no such callback")]
     NoSuchCallback,
 }
 
 /// Error returned by [`ComponentInstance::invoke`]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, thiserror::Error)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, derive_more::Error, derive_more::Display)]
 #[non_exhaustive]
 pub enum InvokeError {
     /// There is no callback or function with the given name
-    #[error("no such callback or function")]
+    #[display("no such callback or function")]
     NoSuchCallable,
 }