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[analyzer] Fix JSON dumps for location contexts.

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Location context ID is a property of the location context, not of an item
within it. It's useful to know the id even when there are no items
in the context, eg. for the purposes of figuring out how did contents
of the Environment for the same location context changed across states.

Differential Revision: https://reviews.llvm.org/D62754

llvm-svn: 363895
This commit is contained in:
Artem Dergachev
2019-06-19 23:33:48 +00:00
parent 3bb7b2ec7f
commit f9f6cdb1a8
5 changed files with 8 additions and 11 deletions
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5
clang/lib/Analysis/AnalysisDeclContext.cpp
View File

@@ -527,7 +527,8 @@ void LocationContext::printJson(raw_ostream &Out, const char *NL,
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 @@ void LocationContext::printJson(raw_ostream &Out, const char *NL,
if (const Stmt *S = cast<StackFrameContext>(LCtx)->getCallSite()) {
Out << '\"';
printLocation(Out, SM, S->getBeginLoc());
Out << '\"';
Out << '\"';
} else {
Out << "null";
}

3
clang/lib/StaticAnalyzer/Core/Environment.cpp
View File

@@ -261,8 +261,7 @@ void Environment::printJson(raw_ostream &Out, const ASTContext &Ctx,
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\": ";

3
clang/lib/StaticAnalyzer/Core/ExprEngine.cpp
View File

@@ -149,9 +149,6 @@ public:
if (!S)
I = getItem().getCXXCtorInitializer();
// IDs
Out << "\"lctx_id\": " << getLocationContext()->getID() << ", ";
if (S)
Out << "\"stmt_id\": " << S->getID(getASTContext());
else

4
clang/test/Analysis/dump_egraph.cpp
View File

@@ -18,9 +18,9 @@ void foo() {
new S;
}
// CHECK: \"location_context\": \"#0 Call\", \"calling\": \"foo\", \"call_line\": null, \"items\": [\l&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\{ \"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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\{ \"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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\{ \"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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\{ \"init_id\": {{[0-9]+}}, \"kind\": \"construct into member variable\", \"argument_index\": null, \"pretty\": \"s\", \"value\": \"&t-\>s\"
// CHECK: \"cluster\": \"t\", \"items\": [\l&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\{ \"kind\": \"Default\", \"offset\": 0, \"value\": \"conj_$2\{int, LC5, no stmt, #1\}\"

4
clang/test/Analysis/expr-inspection.c
View File

@@ -30,8 +30,8 @@ void foo(int x) {
// 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": [