move diagnostics to ide_api

1 files changed, 0 insertions, 246 deletions

diff --git a/crates/ra_ide_api_light/src/diagnostics.rs b/crates/ra_ide_api_light/src/diagnostics.rs
deleted file mode 100644
index 7c383ca2a..000000000
--- a/crates/ra_ide_api_light/src/diagnostics.rs
+++ /dev/null
@@ -1,246 +0,0 @@
-use itertools::Itertools;
-
-use ra_syntax::{
-    Location, SourceFile, SyntaxKind, TextRange, SyntaxNode,
-    ast::{self, AstNode},
-
-};
-use ra_text_edit::{TextEdit, TextEditBuilder};
-
-use crate::{Diagnostic, LocalEdit, Severity};
-
-pub fn diagnostics(file: &SourceFile) -> Vec<Diagnostic> {
-    fn location_to_range(location: Location) -> TextRange {
-        match location {
-            Location::Offset(offset) => TextRange::offset_len(offset, 1.into()),
-            Location::Range(range) => range,
-        }
-    }
-
-    let mut errors: Vec<Diagnostic> = file
-        .errors()
-        .into_iter()
-        .map(|err| Diagnostic {
-            range: location_to_range(err.location()),
-            msg: format!("Syntax Error: {}", err),
-            severity: Severity::Error,
-            fix: None,
-        })
-        .collect();
-
-    for node in file.syntax().descendants() {
-        check_unnecessary_braces_in_use_statement(&mut errors, node);
-        check_struct_shorthand_initialization(&mut errors, node);
-    }
-
-    errors
-}
-
-fn check_unnecessary_braces_in_use_statement(
-    acc: &mut Vec<Diagnostic>,
-    node: &SyntaxNode,
-) -> Option<()> {
-    let use_tree_list = ast::UseTreeList::cast(node)?;
-    if let Some((single_use_tree,)) = use_tree_list.use_trees().collect_tuple() {
-        let range = use_tree_list.syntax().range();
-        let edit =
-            text_edit_for_remove_unnecessary_braces_with_self_in_use_statement(single_use_tree)
-                .unwrap_or_else(|| {
-                    let to_replace = single_use_tree.syntax().text().to_string();
-                    let mut edit_builder = TextEditBuilder::default();
-                    edit_builder.delete(range);
-                    edit_builder.insert(range.start(), to_replace);
-                    edit_builder.finish()
-                });
-
-        acc.push(Diagnostic {
-            range,
-            msg: format!("Unnecessary braces in use statement"),
-            severity: Severity::WeakWarning,
-            fix: Some(LocalEdit {
-                label: "Remove unnecessary braces".to_string(),
-                edit,
-                cursor_position: None,
-            }),
-        });
-    }
-
-    Some(())
-}
-
-fn text_edit_for_remove_unnecessary_braces_with_self_in_use_statement(
-    single_use_tree: &ast::UseTree,
-) -> Option<TextEdit> {
-    let use_tree_list_node = single_use_tree.syntax().parent()?;
-    if single_use_tree.path()?.segment()?.syntax().first_child()?.kind() == SyntaxKind::SELF_KW {
-        let start = use_tree_list_node.prev_sibling()?.range().start();
-        let end = use_tree_list_node.range().end();
-        let range = TextRange::from_to(start, end);
-        let mut edit_builder = TextEditBuilder::default();
-        edit_builder.delete(range);
-        return Some(edit_builder.finish());
-    }
-    None
-}
-
-fn check_struct_shorthand_initialization(
-    acc: &mut Vec<Diagnostic>,
-    node: &SyntaxNode,
-) -> Option<()> {
-    let struct_lit = ast::StructLit::cast(node)?;
-    let named_field_list = struct_lit.named_field_list()?;
-    for named_field in named_field_list.fields() {
-        if let (Some(name_ref), Some(expr)) = (named_field.name_ref(), named_field.expr()) {
-            let field_name = name_ref.syntax().text().to_string();
-            let field_expr = expr.syntax().text().to_string();
-            if field_name == field_expr {
-                let mut edit_builder = TextEditBuilder::default();
-                edit_builder.delete(named_field.syntax().range());
-                edit_builder.insert(named_field.syntax().range().start(), field_name);
-                let edit = edit_builder.finish();
-
-                acc.push(Diagnostic {
-                    range: named_field.syntax().range(),
-                    msg: format!("Shorthand struct initialization"),
-                    severity: Severity::WeakWarning,
-                    fix: Some(LocalEdit {
-                        label: "use struct shorthand initialization".to_string(),
-                        edit,
-                        cursor_position: None,
-                    }),
-                });
-            }
-        }
-    }
-    Some(())
-}
-
-#[cfg(test)]
-mod tests {
-    use crate::test_utils::assert_eq_text;
-
-    use super::*;
-
-    type DiagnosticChecker = fn(&mut Vec<Diagnostic>, &SyntaxNode) -> Option<()>;
-
-    fn check_not_applicable(code: &str, func: DiagnosticChecker) {
-        let file = SourceFile::parse(code);
-        let mut diagnostics = Vec::new();
-        for node in file.syntax().descendants() {
-            func(&mut diagnostics, node);
-        }
-        assert!(diagnostics.is_empty());
-    }
-
-    fn check_apply(before: &str, after: &str, func: DiagnosticChecker) {
-        let file = SourceFile::parse(before);
-        let mut diagnostics = Vec::new();
-        for node in file.syntax().descendants() {
-            func(&mut diagnostics, node);
-        }
-        let diagnostic =
-            diagnostics.pop().unwrap_or_else(|| panic!("no diagnostics for:\n{}\n", before));
-        let fix = diagnostic.fix.unwrap();
-        let actual = fix.edit.apply(&before);
-        assert_eq_text!(after, &actual);
-    }
-
-    #[test]
-    fn test_check_unnecessary_braces_in_use_statement() {
-        check_not_applicable(
-            "
-            use a;
-            use a::{c, d::e};
-        ",
-            check_unnecessary_braces_in_use_statement,
-        );
-        check_apply("use {b};", "use b;", check_unnecessary_braces_in_use_statement);
-        check_apply("use a::{c};", "use a::c;", check_unnecessary_braces_in_use_statement);
-        check_apply("use a::{self};", "use a;", check_unnecessary_braces_in_use_statement);
-        check_apply(
-            "use a::{c, d::{e}};",
-            "use a::{c, d::e};",
-            check_unnecessary_braces_in_use_statement,
-        );
-    }
-
-    #[test]
-    fn test_check_struct_shorthand_initialization() {
-        check_not_applicable(
-            r#"
-            struct A {
-                a: &'static str
-            }
-
-            fn main() {
-                A {
-                    a: "hello"
-                }
-            }
-        "#,
-            check_struct_shorthand_initialization,
-        );
-
-        check_apply(
-            r#"
-struct A {
-    a: &'static str
-}
-
-fn main() {
-    let a = "haha";
-    A {
-        a: a
-    }
-}
-        "#,
-            r#"
-struct A {
-    a: &'static str
-}
-
-fn main() {
-    let a = "haha";
-    A {
-        a
-    }
-}
-        "#,
-            check_struct_shorthand_initialization,
-        );
-
-        check_apply(
-            r#"
-struct A {
-    a: &'static str,
-    b: &'static str
-}
-
-fn main() {
-    let a = "haha";
-    let b = "bb";
-    A {
-        a: a,
-        b
-    }
-}
-        "#,
-            r#"
-struct A {
-    a: &'static str,
-    b: &'static str
-}
-
-fn main() {
-    let a = "haha";
-    let b = "bb";
-    A {
-        a,
-        b
-    }
-}
-        "#,
-            check_struct_shorthand_initialization,
-        );
-    }
-}