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C++: Handle values with no valuetext

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This commit is contained in:
Ian Lynagh
2019-08-28 14:27:08 +01:00
parent 754612d257
commit 95794f9227
1 changed files with 7 additions and 1 deletions
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8
cpp/ql/src/semmle/code/cpp/exprs/Expr.qll
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@@ -88,7 +88,13 @@ class Expr extends StmtParent, @expr {
string getValue() { exists(@value v | values(v,result) and valuebind(v,underlyingElement(this))) }
/** Gets the source text for the value of this expression, if it is a constant. */
string getValueText() { exists(@value v | valuetext(v,result) and valuebind(v,underlyingElement(this))) }
string getValueText() {
exists(@value v |
valuebind(v,underlyingElement(this)) and
if valuetext(v, _)
then valuetext(v, result)
else values(v, result))
}
/** Holds if this expression has a value that can be determined at compile time. */
cached