Evaluate casts in programmemory (#3359)

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Paul Fultz II 2021-07-26 15:22:23 -05:00 committed by GitHub
parent 14802b932e
commit 0d3afbb954
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2 changed files with 32 additions and 0 deletions

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@ -725,6 +725,12 @@ void execute(const Token* expr,
*result = 0;
else
*error = true;
}
else if (expr->str() == "(" && expr->isCast()) {
if (Token::simpleMatch(expr->previous(), ">") && expr->previous()->link())
execute(expr->astOperand2(), programMemory, result, error);
else
execute(expr->astOperand1(), programMemory, result, error);
} else
*error = true;
}

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@ -563,6 +563,32 @@ private:
" return false;\n"
"}\n");
ASSERT_EQUALS("test.cpp:8:style:Consider using std::any_of algorithm instead of a raw loop.\n", errout.str());
checkNormal("bool g();\n"
"int f(int x) {\n"
" std::vector<int> v;\n"
" if (g())\n"
" v.emplace_back(x);\n"
" const auto n = (int)v.size();\n"
" for (int i = 0; i < n; ++i)\n"
" if (v[i] > 0)\n"
" return i;\n"
" return 0;\n"
"}\n");
ASSERT_EQUALS("", errout.str());
checkNormal("bool g();\n"
"int f(int x) {\n"
" std::vector<int> v;\n"
" if (g())\n"
" v.emplace_back(x);\n"
" const auto n = static_cast<int>(v.size());\n"
" for (int i = 0; i < n; ++i)\n"
" if (v[i] > 0)\n"
" return i;\n"
" return 0;\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}
void outOfBoundsIndexExpression() {