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C++: Add getTemplateClass to DeductionGuide #17118

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Aug 2, 2024
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C++: Add getTemplateClass to DeductionGuide #17118

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4dcf679
C++: Add `getTemplateClass` to `DeductionGuide`
jketema Aug 1, 2024
972d9ca
C++: Add more deduction guide tests
jketema Aug 2, 2024
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2,305 changes: 2,305 additions & 0 deletions cpp/downgrades/e197626a6ebccd052d5c891975fccf8aebcc9803/old.dbscheme
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2,300 changes: 2,300 additions & 0 deletions cpp/downgrades/e197626a6ebccd052d5c891975fccf8aebcc9803/semmlecode.cpp.dbscheme
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3 changes: 3 additions & 0 deletions cpp/downgrades/e197626a6ebccd052d5c891975fccf8aebcc9803/upgrade.properties
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
description: Add relation between deduction guides and class templates
compatibility: full
deduction_guide_for_class.rel: delete
0 ...2024-07-23-using-enum-declaration copy.md → ...nge-notes/2024-07-23-destroying-delete.md
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4 changes: 4 additions & 0 deletions cpp/ql/lib/change-notes/2024-08-01-deduction-guide.md
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@@ -0,0 +1,4 @@
---
category: feature
---
* A `getTemplateClass` predicate was added to the `DeductionGuide` class to get the class template for which the deduction guide is a guide.
7 changes: 7 additions & 0 deletions cpp/ql/lib/semmle/code/cpp/Function.qll
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Original file line number Diff line number Diff line change
Expand Up @@ -898,4 +898,11 @@ class UserDefinedLiteral extends Function {
*/
class DeductionGuide extends Function {
DeductionGuide() { functions(underlyingElement(this), _, 8) }

/**
* Gets the class template for which this is a deduction guide.
*/
TemplateClass getTemplateClass() {
deduction_guide_for_class(underlyingElement(this), unresolveElement(result))
}
}
5 changes: 5 additions & 0 deletions cpp/ql/lib/semmlecode.cpp.dbscheme
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Expand Up @@ -409,6 +409,11 @@ function_defaulted(unique int id: @function ref);

function_prototyped(unique int id: @function ref)

deduction_guide_for_class(
int id: @function ref,
int class_template: @usertype ref
)

member_function_this_type(
unique int id: @function ref,
int this_type: @type ref
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