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C++: Add a predicate for getting the 0'th child of a 'ConditionDeclExpr' without casting it to a 'VariableAccess' and use it in IR generation.

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This commit is contained in:
Mathias Vorreiter Pedersen
2024-02-07 11:45:13 +00:00
parent d0b0440427
commit edc7903c69
2 changed files with 9 additions and 3 deletions
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10
cpp/ql/lib/semmle/code/cpp/exprs/Assignment.qll
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@@ -244,9 +244,15 @@ class ConditionDeclExpr extends Expr, @condition_decl {
/**
* Gets the compiler-generated variable access that conceptually occurs after
* the initialization of the declared variable.
* the initialization of the declared variable, if any.
*/
VariableAccess getVariableAccess() { result = this.getChild(0) }
VariableAccess getVariableAccess() { result = this.getExpr() }
/**
* Gets the expression that is evaluated after the initialization of the declared
* variable.
*/
Expr getExpr() { result = this.getChild(0) }
/**
* Gets the expression that initializes the declared variable. This predicate

2
cpp/ql/lib/semmle/code/cpp/ir/implementation/raw/internal/TranslatedExpr.qll
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@@ -3173,7 +3173,7 @@ class TranslatedConditionDeclExpr extends TranslatedNonConstantExpr {
private TranslatedConditionDecl getDecl() { result = getTranslatedConditionDecl(expr) }
private TranslatedExpr getConditionExpr() {
result = getTranslatedExpr(expr.getVariableAccess().getFullyConverted())
result = getTranslatedExpr(expr.getExpr().getFullyConverted())
}
}