[PATCH] D62754: [analyzer] Fix JSON dumps for location contexts.

Artem Dergachev via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Fri May 31 15:20:19 PDT 2019


NoQ created this revision.
NoQ added a reviewer: Charusso.
Herald added subscribers: cfe-commits, dkrupp, donat.nagy, Szelethus, mikhail.ramalho, a.sidorin, szepet, baloghadamsoftware, xazax.hun.
Herald added a project: clang.

`lctx_id` is a property of a location context, not of an item within it. It's useful to know the id even when there are no items in the context.


Repository:
  rC Clang

https://reviews.llvm.org/D62754

Files:
  clang/lib/Analysis/AnalysisDeclContext.cpp
  clang/lib/StaticAnalyzer/Core/Environment.cpp
  clang/lib/StaticAnalyzer/Core/ExprEngine.cpp
  clang/test/Analysis/dump_egraph.cpp
  clang/test/Analysis/expr-inspection.c


Index: clang/test/Analysis/expr-inspection.c
===================================================================
--- clang/test/Analysis/expr-inspection.c
+++ clang/test/Analysis/expr-inspection.c
@@ -30,8 +30,8 @@
 // CHECK-NEXT:     ]}
 // CHECK-NEXT:   ],
 // CHECK-NEXT:   "environment": [
-// CHECK-NEXT:     { "location_context": "#0 Call", "calling": "foo", "call_line": null, "items": [
-// CHECK-NEXT:       { "lctx_id": 1, "stmt_id": {{[0-9]+}}, "pretty": "clang_analyzer_printState", "value": "&code{clang_analyzer_printState}" }
+// CHECK-NEXT:     { "lctx_id": 1, "location_context": "#0 Call", "calling": "foo", "call_line": null, "items": [
+// CHECK-NEXT:       { "stmt_id": {{[0-9]+}}, "pretty": "clang_analyzer_printState", "value": "&code{clang_analyzer_printState}" }
 // CHECK-NEXT:     ]}
 // CHECK-NEXT:   ],
 // CHECK-NEXT:   "constraints": [
Index: clang/test/Analysis/dump_egraph.cpp
===================================================================
--- clang/test/Analysis/dump_egraph.cpp
+++ clang/test/Analysis/dump_egraph.cpp
@@ -18,9 +18,9 @@
   new S;
 }
 
-// CHECK: \"location_context\": \"#0 Call\", \"calling\": \"foo\", \"call_line\": null, \"items\": [\l        \{ \"lctx_id\": 1, \"stmt_id\": {{[0-9]+}}, \"kind\": \"construct into local variable\", \"argument_index\": null, \"pretty\": \"T t;\", \"value\": \"&t\"
+// CHECK: \"location_context\": \"#0 Call\", \"calling\": \"foo\", \"call_line\": null, \"items\": [\l        \{ \"stmt_id\": {{[0-9]+}}, \"kind\": \"construct into local variable\", \"argument_index\": null, \"pretty\": \"T t;\", \"value\": \"&t\"
 
-// CHECK: \"location_context\": \"#0 Call\", \"calling\": \"T::T\", \"call_line\": \"16\", \"items\": [\l        \{ \"lctx_id\": 2, \"init_id\": {{[0-9]+}}, \"kind\": \"construct into member variable\", \"argument_index\": null, \"pretty\": \"s\", \"value\": \"&t-\>s\"
+// CHECK: \"location_context\": \"#0 Call\", \"calling\": \"T::T\", \"call_line\": \"16\", \"items\": [\l        \{ \"init_id\": {{[0-9]+}}, \"kind\": \"construct into member variable\", \"argument_index\": null, \"pretty\": \"s\", \"value\": \"&t-\>s\"
 
 // CHECK: \"cluster\": \"t\", \"items\": [\l        \{ \"kind\": \"Default\", \"offset\": 0, \"value\": \"conj_$2\{int, LC5, no stmt, #1\}\"
 
Index: clang/lib/StaticAnalyzer/Core/ExprEngine.cpp
===================================================================
--- clang/lib/StaticAnalyzer/Core/ExprEngine.cpp
+++ clang/lib/StaticAnalyzer/Core/ExprEngine.cpp
@@ -149,9 +149,6 @@
     if (!S)
       I = getItem().getCXXCtorInitializer();
 
-    // IDs
-    Out << "\"lctx_id\": " << getLocationContext()->getID() << ", ";
-
     if (S)
       Out << "\"stmt_id\": " << S->getID(getASTContext());
     else
Index: clang/lib/StaticAnalyzer/Core/Environment.cpp
===================================================================
--- clang/lib/StaticAnalyzer/Core/Environment.cpp
+++ clang/lib/StaticAnalyzer/Core/Environment.cpp
@@ -261,8 +261,7 @@
 
       const Stmt *S = I->first.getStmt();
       Indent(Out, InnerSpace, IsDot)
-          << "{ \"lctx_id\": " << LC->getID()
-          << ", \"stmt_id\": " << S->getID(Ctx) << ", \"pretty\": ";
+          << "{ \"stmt_id\": " << S->getID(Ctx) << ", \"pretty\": ";
       S->printJson(Out, nullptr, PP, /*AddQuotes=*/true);
 
       Out << ", \"value\": ";
Index: clang/lib/Analysis/AnalysisDeclContext.cpp
===================================================================
--- clang/lib/Analysis/AnalysisDeclContext.cpp
+++ clang/lib/Analysis/AnalysisDeclContext.cpp
@@ -527,7 +527,8 @@
 
   unsigned Frame = 0;
   for (const LocationContext *LCtx = this; LCtx; LCtx = LCtx->getParent()) {
-    Indent(Out, Space, IsDot) << "{ \"location_context\": \"";
+    Indent(Out, Space, IsDot)
+        << "{ \"lctx_id\": " << LCtx->getID() << ", \"location_context\": \"";
     switch (LCtx->getKind()) {
     case StackFrame:
       Out << '#' << Frame << " Call\", \"calling\": \"";
@@ -541,7 +542,7 @@
       if (const Stmt *S = cast<StackFrameContext>(LCtx)->getCallSite()) {
         Out << '\"';
         printLocation(Out, SM, S->getBeginLoc());
-	Out << '\"';
+        Out << '\"';
       } else {
         Out << "null";
       }


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