Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Introduce a frontend policy as a customization point for frontend #4406

Merged
merged 8 commits into from
Feb 13, 2024
Merged

Introduce a frontend policy as a customization point for frontend #4406

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
8 commits
Select commit Hold shift + click to select a range
5e59bef
Add constant folding policy with hook for the use case in #4402
vlstill Feb 9, 2024
e3bb1d0
Add frotend policy to make unify access to frotend customizations
vlstill Feb 9, 2024
8cee3b4
Fix instantiation of frontend in TC
vlstill Feb 9, 2024
129ac0a
Fix instatiation of frotend in tests
vlstill Feb 9, 2024
442bcb8
Fix formatting in tests
vlstill Feb 9, 2024
911c1b6
Fix format in frontend
vlstill Feb 9, 2024
b883c3d
Fix construction of cosntant folding
vlstill Feb 12, 2024
0902ee2
Add missing const on the policy interface return type
vlstill Feb 12, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Add missing const on the policy interface return type
  • Loading branch information
@vlstill
vlstill committed Feb 13, 2024
commit 0902ee25853d963877bc36ce1c131662bc1c9a9e
2 changes: 1 addition & 1 deletion frontends/common/constantFolding.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,7 @@ const IR::Expression *DoConstantFolding::getConstant(const IR::Expression *expr)
}

const IR::Node *DoConstantFolding::postorder(IR::PathExpression *e) {
if (auto *r = policy->hook(*this, e)) return r;
if (const auto *r = policy->hook(*this, e)) return r;
if (refMap == nullptr || assignmentTarget) return e;
auto decl = refMap->getDeclaration(e->path);
if (decl == nullptr) return e;
Expand Down
2 changes: 1 addition & 1 deletion frontends/common/constantFolding.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ namespace P4 {
class ConstantFoldingPolicy {
public:
/// The default hook does not modify anything.
virtual IR::Node *hook(Visitor &, IR::PathExpression *) { return nullptr; }
virtual const IR::Node *hook(Visitor &, IR::PathExpression *) { return nullptr; }
};

/** @brief statically evaluates many constant expressions.
Expand Down
Loading