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C/C++ overlay: Add overlay support for discarding functions

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idrissrio
2025-12-08 16:08:28 +01:00
parent c69bbce176
commit 4702e208b7
1 changed files with 12 additions and 6 deletions
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18
cpp/ql/lib/semmle/code/cpp/internal/Overlay.qll
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@@ -20,9 +20,13 @@ private string getLocationFilePath(@location_default loc) {
*/
overlay[local]
private string getSingleLocationFilePath(@element e) {
// @var_decl has a direct location in the var_decls relation
exists(@location_default loc | var_decls(e, _, _, _, loc) | result = getLocationFilePath(loc))
//TODO: add other kinds of elements with single locations
exists(@location_default loc |
var_decls(e, _, _, _, loc)
or
fun_decls(e, _, _, _, loc)
|
result = getLocationFilePath(loc)
)
}
/**
@@ -30,11 +34,13 @@ private string getSingleLocationFilePath(@element e) {
*/
overlay[local]
private string getMultiLocationFilePath(@element e) {
// @variable gets its location(s) from its @var_decl(s)
exists(@var_decl vd, @location_default loc | var_decls(vd, e, _, _, loc) |
exists(@location_default loc |
exists(@var_decl vd | var_decls(vd, e, _, _, loc))
or
exists(@fun_decl fd | fun_decls(fd, e, _, _, loc))
|
result = getLocationFilePath(loc)
)
//TODO: add other kinds of elements with multiple locations
}
/**