xazax.hun updated this revision to Diff 231078.
xazax.hun added a comment.
Herald added subscribers: Charusso, gamesh411.

- Use matcher.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D46027/new/

https://reviews.llvm.org/D46027

Files:
  clang-tools-extra/clang-tidy/bugprone/SuspiciousSemicolonCheck.cpp
  clang-tools-extra/test/clang-tidy/bugprone-suspicious-semicolon-constexpr.cpp


Index: 
clang-tools-extra/test/clang-tidy/bugprone-suspicious-semicolon-constexpr.cpp
===================================================================
--- /dev/null
+++ 
clang-tools-extra/test/clang-tidy/bugprone-suspicious-semicolon-constexpr.cpp
@@ -0,0 +1,21 @@
+// RUN: %check_clang_tidy %s bugprone-suspicious-semicolon %t -- -- -std=c++17
+
+void fail()
+{
+  int x = 0;
+  if(x > 5); (void)x;
+  // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: potentially unintended 
semicolon [bugprone-suspicious-semicolon]
+  // CHECK-FIXES: if(x > 5) (void)x;
+}
+
+template <int X>
+int foo(int a) {
+    if constexpr(X > 0) {
+        return a;
+    }
+    return a + 1;
+}
+
+int main(void) {
+    return foo<0>(1);
+}
Index: clang-tools-extra/clang-tidy/bugprone/SuspiciousSemicolonCheck.cpp
===================================================================
--- clang-tools-extra/clang-tidy/bugprone/SuspiciousSemicolonCheck.cpp
+++ clang-tools-extra/clang-tidy/bugprone/SuspiciousSemicolonCheck.cpp
@@ -20,7 +20,8 @@
 void SuspiciousSemicolonCheck::registerMatchers(MatchFinder *Finder) {
   Finder->addMatcher(
       stmt(anyOf(ifStmt(hasThen(nullStmt().bind("semi")),
-                        unless(hasElse(stmt()))),
+                        unless(hasElse(stmt())),
+                        unless(isConstexpr())),
                  forStmt(hasBody(nullStmt().bind("semi"))),
                  cxxForRangeStmt(hasBody(nullStmt().bind("semi"))),
                  whileStmt(hasBody(nullStmt().bind("semi")))))


Index: clang-tools-extra/test/clang-tidy/bugprone-suspicious-semicolon-constexpr.cpp
===================================================================
--- /dev/null
+++ clang-tools-extra/test/clang-tidy/bugprone-suspicious-semicolon-constexpr.cpp
@@ -0,0 +1,21 @@
+// RUN: %check_clang_tidy %s bugprone-suspicious-semicolon %t -- -- -std=c++17
+
+void fail()
+{
+  int x = 0;
+  if(x > 5); (void)x;
+  // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: potentially unintended semicolon [bugprone-suspicious-semicolon]
+  // CHECK-FIXES: if(x > 5) (void)x;
+}
+
+template <int X>
+int foo(int a) {
+    if constexpr(X > 0) {
+        return a;
+    }
+    return a + 1;
+}
+
+int main(void) {
+    return foo<0>(1);
+}
Index: clang-tools-extra/clang-tidy/bugprone/SuspiciousSemicolonCheck.cpp
===================================================================
--- clang-tools-extra/clang-tidy/bugprone/SuspiciousSemicolonCheck.cpp
+++ clang-tools-extra/clang-tidy/bugprone/SuspiciousSemicolonCheck.cpp
@@ -20,7 +20,8 @@
 void SuspiciousSemicolonCheck::registerMatchers(MatchFinder *Finder) {
   Finder->addMatcher(
       stmt(anyOf(ifStmt(hasThen(nullStmt().bind("semi")),
-                        unless(hasElse(stmt()))),
+                        unless(hasElse(stmt())),
+                        unless(isConstexpr())),
                  forStmt(hasBody(nullStmt().bind("semi"))),
                  cxxForRangeStmt(hasBody(nullStmt().bind("semi"))),
                  whileStmt(hasBody(nullStmt().bind("semi")))))
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