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Merge pull request #18362 from github/jketema/template-parameters-4

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C++: Support concept templates
This commit is contained in:
Jeroen Ketema
2025-01-07 16:42:56 +01:00
committed by GitHub
parent b18230af23 0f5b70a802
commit 0258ce70a4
11 changed files with 10157 additions and 246 deletions
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29
cpp/ql/lib/semmle/code/cpp/Concept.qll
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@@ -159,3 +159,32 @@ class ConceptIdExpr extends RequirementExpr, @concept_id {
override string getAPrimaryQlClass() { result = "ConceptIdExpr" }
}
/**
* A C++ concept.
*
* For example:
* ```cpp
* template<class T>
* concept C = std::is_same<T, int>::value;
* ```
*/
class Concept extends Declaration, @concept_template {
override string getAPrimaryQlClass() { result = "Concept" }
override Location getLocation() { concept_templates(underlyingElement(this), _, result) }
override string getName() { concept_templates(underlyingElement(this), result, _) }
/**
* Gets the constraint expression of the concept.
*
* For example, in
* ```cpp
* template<class T>
* concept C = std::is_same<T, int>::value;
* ```
* the constraint expression is `std::is_same<T, int>::value`.
*/
Expr getExpr() { result.getParent() = this }
}

4
cpp/ql/lib/semmle/code/cpp/Declaration.qll
View File

@@ -279,6 +279,8 @@ class Declaration extends Locatable, @declaration {
variable_template_argument(underlyingElement(this), index, unresolveElement(result))
or
template_template_argument(underlyingElement(this), index, unresolveElement(result))
or
concept_template_argument(underlyingElement(this), index, unresolveElement(result))
}
private Expr getTemplateArgumentValue(int index) {
@@ -289,6 +291,8 @@ class Declaration extends Locatable, @declaration {
variable_template_argument_value(underlyingElement(this), index, unresolveElement(result))
or
template_template_argument_value(underlyingElement(this), index, unresolveElement(result))
or
concept_template_argument_value(underlyingElement(this), index, unresolveElement(result))
}
}