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Allow annotations on functions #4452

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merged 1 commit into from
Mar 13, 2024
Merged

Allow annotations on functions #4452

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6 changes: 5 additions & 1 deletion frontends/parsers/p4/p4parser.ypp
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Original file line number Diff line number Diff line change
Expand Up @@ -1413,7 +1413,11 @@ initializer
/**************** Expressions ****************/

functionDeclaration
: functionPrototype blockStatement {
: annotations functionPrototype blockStatement {
auto ann = new IR::Annotations(@1, *$1);
driver.structure->pop();
$$ = new IR::Function($2->srcInfo, $2->name, ann, $2->type, $3); }
| functionPrototype blockStatement {
driver.structure->pop();
$$ = new IR::Function($1->srcInfo, $1->name, $1->type, $2); }
;
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4 changes: 3 additions & 1 deletion ir/ir.def
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Expand Up @@ -500,7 +500,8 @@ class SwitchStatement : Statement {
split.run_visit(); }
}

class Function : Declaration, IFunctional, ISimpleNamespace, INestedNamespace {
class Function : Declaration, IFunctional, IAnnotated, ISimpleNamespace, INestedNamespace {
optional Annotations annotations = Annotations::empty;
Type_Method type;
BlockStatement body;
ParameterList getParameters() const override {
Expand All @@ -512,6 +513,7 @@ class Function : Declaration, IFunctional, ISimpleNamespace, INestedNamespace {
return type->parameters->getDeclByName(name); }
std::vector<INamespace> getNestedNamespaces() const override {
return { type->typeParameters }; }
Annotations getAnnotations() const override { return annotations; }
}

/////////////////////////////////////////////////////////////
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