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When operator new is used on a class with no constructor it generates an AGGR_INIT_EXPR, not a CALL_EXPR... with testcase. NPODB, static-checking only.

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This commit is contained in:
Benjamin Smedberg 2008-12-03 11:49:54 -05:00
parent 6925784a52
commit cfb7d3a3c4
3 changed files with 19 additions and 3 deletions
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3
xpcom/analysis/stack.js
View File

@ -167,11 +167,12 @@ function process_cp_pre_genericize(fndecl)
break;
case CALL_EXPR:
case AGGR_INIT_EXPR:
assign = stack[i + 1];
break;
default:
error("Unrecognized assignment from operator new: " + TREE_CODE(assign), getLocation());
error("Unrecognized assignment from operator new: %s. Tree code stack: %s".format(TREE_CODE(assign), [TREE_CODE(s) for each (s in stack)].join(",")), getLocation());
return;
}

7
xpcom/tests/static-checker/Makefile.in
View File

@ -57,6 +57,7 @@ STACK_FAILURE_TESTCASES = \
StackNoConstructor.cpp \
StackVector.cpp \
StackConditional.cpp \
StackAggrInit.cpp \
$(NULL)
STACK_PASS_TESTCASES = \
@ -121,6 +122,8 @@ STATIC_PASS_TESTCASES = \
$(FLOW_PASS_TESTCASES) \
$(NULL)
REQUIRES = xpcom
include $(topsrcdir)/config/rules.mk
# We want to compile each file and invert the result to ensure that
@ -142,13 +145,13 @@ check:: \
%.s-warn: %.cpp $(GLOBAL_DEPS) $(DEHYDRA_SCRIPTS)
@printf "Compiling $(<F) to check that the static-analysis script is checking properly..."
@if $(CCC) -Werror $(OUTOPTION)/dev/null -S $(COMPILE_CXXFLAGS) $(_VPATH_SRCS) >$(*F).errlog 2>&1; then \
printf "fail:\nerror: compilation of $(<F) succeeded with -Werror. It shouldn't have!\n" \
printf "fail:\nerror: compilation of $(<F) succeeded with -Werror. It shouldn't have!\n"; \
exit 1; \
fi
@if $(CCC) $(OUTOPTION)/dev/null -S $(COMPILE_CXXFLAGS) $(_VPATH_SRCS) >$(*F).werrlog 2>&1; then \
printf "ok.\n"; \
else \
printf "fail:\nerror: compilation of $(<F) without -Werror failed. A warning should have been issued.\n" \
printf "fail:\nerror: compilation of $(<F) without -Werror failed. A warning should have been issued.\n"; \
exit 1; \
fi

12
xpcom/tests/static-checker/StackAggrInit.cpp Normal file
View File

@ -0,0 +1,12 @@
#include "nscore.h"
#include "nsAutoPtr.h"
class NS_STACK_CLASS A
{
int i;
};
void Foo()
{
nsAutoPtr<A> a(new A);
}