]> git.lizzy.rs Git - rust.git/blobdiff - clippy_lints/src/collapsible_if.rs
Use span_suggestion_with_applicability instead of span_suggestion
[rust.git] / clippy_lints / src / collapsible_if.rs
index 20a5e606dbf99faa206109aa33e2cbaac6781e0b..c139b0f0c1f15029542e8e332ae00306235b7859 100644 (file)
 //!
 //! This lint is **warn** by default
 
-use rustc::lint::*;
-use syntax::ast;
+use crate::rustc::lint::{EarlyContext, EarlyLintPass, LintArray, LintPass};
+use crate::rustc::{declare_tool_lint, lint_array};
+use if_chain::if_chain;
+use crate::syntax::ast;
 
-use utils::{in_macro, snippet_block, span_lint_and_sugg, span_lint_and_then};
-use utils::sugg::Sugg;
+use crate::utils::{in_macro, snippet_block, span_lint_and_sugg, span_lint_and_then};
+use crate::utils::sugg::Sugg;
+use crate::rustc_errors::Applicability;
 
 /// **What it does:** Checks for nested `if` statements which can be collapsed
 /// by `&&`-combining their conditions and for `else { if ... }` expressions
@@ -78,14 +81,14 @@ fn get_lints(&self) -> LintArray {
 }
 
 impl EarlyLintPass for CollapsibleIf {
-    fn check_expr(&mut self, cx: &EarlyContext, expr: &ast::Expr) {
+    fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &ast::Expr) {
         if !in_macro(expr.span) {
             check_if(cx, expr)
         }
     }
 }
 
-fn check_if(cx: &EarlyContext, expr: &ast::Expr) {
+fn check_if(cx: &EarlyContext<'_>, expr: &ast::Expr) {
     match expr.node {
         ast::ExprKind::If(ref check, ref then, ref else_) => if let Some(ref else_) = *else_ {
             check_collapsible_maybe_if_let(cx, else_);
@@ -99,9 +102,9 @@ fn check_if(cx: &EarlyContext, expr: &ast::Expr) {
     }
 }
 
-fn check_collapsible_maybe_if_let(cx: &EarlyContext, else_: &ast::Expr) {
+fn check_collapsible_maybe_if_let(cx: &EarlyContext<'_>, else_: &ast::Expr) {
     if_chain! {
-        if let ast::ExprKind::Block(ref block) = else_.node;
+        if let ast::ExprKind::Block(ref block, _) = else_.node;
         if let Some(else_) = expr_block(block);
         if !in_macro(else_.span);
         then {
@@ -120,7 +123,7 @@ fn check_collapsible_maybe_if_let(cx: &EarlyContext, else_: &ast::Expr) {
     }
 }
 
-fn check_collapsible_no_if_let(cx: &EarlyContext, expr: &ast::Expr, check: &ast::Expr, then: &ast::Block) {
+fn check_collapsible_no_if_let(cx: &EarlyContext<'_>, expr: &ast::Expr, check: &ast::Expr, then: &ast::Block) {
     if_chain! {
         if let Some(inner) = expr_block(then);
         if let ast::ExprKind::If(ref check_inner, ref content, None) = inner.node;
@@ -131,11 +134,13 @@ fn check_collapsible_no_if_let(cx: &EarlyContext, expr: &ast::Expr, check: &ast:
             span_lint_and_then(cx, COLLAPSIBLE_IF, expr.span, "this if statement can be collapsed", |db| {
                 let lhs = Sugg::ast(cx, check, "..");
                 let rhs = Sugg::ast(cx, check_inner, "..");
-                db.span_suggestion(expr.span,
+                db.span_suggestion_with_applicability(expr.span,
                                    "try",
                                    format!("if {} {}",
                                            lhs.and(&rhs),
-                                           snippet_block(cx, content.span, "..")));
+                                           snippet_block(cx, content.span, "..")),
+                                    Applicability::Unspecified,
+                                    );
             });
         }
     }