LS: Proc macros support

closes #6141

commit-id:7ea22adb

crates/cairo-lang-language-server/Cargo.toml

@@ -25,7 +25,9 @@ cairo-lang-starknet = { path = "../cairo-lang-starknet", version = "~2.8.4" }
 cairo-lang-syntax = { path = "../cairo-lang-syntax", version = "~2.8.4" }
 cairo-lang-test-plugin = { path = "../cairo-lang-test-plugin", version = "~2.8.4" }
 cairo-lang-utils = { path = "../cairo-lang-utils", version = "~2.8.4" }
+cairo-lang-macro = { git = "https://github.com/software-mansion/scarb", rev = "fc99b54" } # not registry version because conflict with scarb-proc-macro-server-types local version
 crossbeam = "0.8.4"
+governor = { version = "0.7.0", default-features = false, features = ["std", "quanta"]}
 indent.workspace = true
 indoc.workspace = true
 itertools.workspace = true
@@ -35,6 +37,7 @@ lsp-types = "=0.95.0"
 rustc-hash = "1.1.0"
 salsa.workspace = true
 scarb-metadata = "1.13"
+scarb-proc-macro-server-types = { git = "https://github.com/software-mansion/scarb", rev = "fc99b54" }
 serde = { workspace = true, default-features = true }
 serde_json.workspace = true
 smol_str.workspace = true

crates/cairo-lang-language-server/src/config.rs

@@ -38,6 +38,14 @@ pub struct Config {
     /// The property is set by the user under the `cairo1.traceMacroDiagnostics` key in client
     /// configuration.
     pub trace_macro_diagnostics: bool,
+    /// Whether to resolve procedural macros or ignore them.
+    ///
+    /// The property is set by the user under the `cairo1.disableProcMacros` key in client
+    /// configuration.
+    /// [`None`] means that config has not yet been loaded from client.
+    /// We want to default it to `false`, but to prevent proc-macro-server from starting
+    /// immediately even if client want to set it to `true` we uses this 3rd value.
+    pub disable_proc_macros: Option<bool>,
 }
 
 impl Config {
@@ -61,6 +69,10 @@ impl Config {
                 scope_uri: None,
                 section: Some("cairo1.traceMacroDiagnostics".to_owned()),
             },
+            ConfigurationItem {
+                scope_uri: None,
+                section: Some("cairo1.disableProcMacros".to_owned()),
+            },
         ];
         let expected_len = items.len();
 
@@ -86,6 +98,9 @@ impl Config {
                     .map(Into::into);
                 state.config.trace_macro_diagnostics =
                     response.pop_front().as_ref().and_then(Value::as_bool).unwrap_or_default();
+                state.config.disable_proc_macros = Some(
+                    response.pop_front().as_ref().and_then(Value::as_bool).unwrap_or_default(),
+                );
 
                 debug!("reloaded configuration: {:#?}", state.config);
             })