P4C
The P4 Compiler
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TableMutex Class Reference

#include <table_mutex.h>

Inheritance diagram for TableMutex:
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Classes

struct  Shared
 

Public Member Functions

bool operator() (const IR::Declaration *, const IR::Declaration *)
 
bool operator() (const IR::P4Action *, const IR::P4Action *)
 
bool operator() (const IR::P4Table *, const IR::P4Table *)
 
- Public Member Functions inherited from P4::ResolutionContext
const IR::IDeclarationgetDeclaration (const IR::Path *path, bool notNull=false) const
 
const IR::IDeclarationgetDeclaration (const IR::This *, bool notNull=false) const
 
auto getDeclarations (const IR::INamespace *ns) const
 Returns the set of decls that exist in the given namespace.
 
auto getDeclsByName (const IR::INamespace *ns, cstring name) const
 Returns the set of decls with the given name that exist in the given namespace.
 
std::vector< const IR::IDeclaration * > resolve (const IR::ID &name, ResolutionType type) const
 Resolve references for name, restricted to type declarations.
 
virtual const IR::IDeclarationresolvePath (const IR::Path *path, bool isType) const
 
const IR::Type * resolveType (const IR::Type *type) const
 Resolve a refrence to a type type.
 
const IR::IDeclarationresolveUnique (const IR::ID &name, ResolutionType type, const IR::INamespace *=nullptr) const
 Resolve reference for name, restricted to type declarations, and expect one result.
 
- Public Member Functions inherited from P4::Visitor
virtual const IR::Nodeapply_visitor (const IR::Node *n, const char *name=0)=0
 
virtual bool check_clone (const Visitor *a)
 
virtual bool check_global (cstring)
 
virtual void clear_globals ()
 
virtual ControlFlowVisitorcontrolFlowVisitor ()
 
virtual void end_apply (const IR::Node *root)
 
virtual void erase_global (cstring)
 
template<class T >
const T * findContext () const
 
template<class T >
const T * findContext (const Context *&c) const
 
template<class T >
const T * findOrigCtxt () const
 
template<class T >
const T * findOrigCtxt (const Context *&c) const
 
virtual Visitorflow_clone ()
 
virtual void flow_merge (Visitor &)
 
virtual bool flow_merge_closure (Visitor &)
 
virtual void flow_merge_global_from (cstring)
 
virtual void flow_merge_global_to (cstring)
 
const ContextgetChildContext () const
 
int getChildrenVisited () const
 
const ContextgetContext () const
 
int getContextDepth () const
 
const IR::NodegetCurrentNode () const
 
template<class T >
const T * getCurrentNode () const
 
const IR::NodegetOriginal () const
 
template<class T >
const T * getOriginal () const
 
template<class T >
const T * getParent () const
 
virtual bool has_flow_joins () const
 
virtual profile_t init_apply (const IR::Node *root)
 
profile_t init_apply (const IR::Node *root, const Context *parent_context)
 
bool isInContext (const IR::Node *n) const
 
virtual const char * name () const
 
template<class T >
void parallel_visit (const IR::Vector< T > &v, const char *name, int cidx)
 
template<class T >
void parallel_visit (const IR::Vector< T > &v, const char *name=0)
 
template<class T >
void parallel_visit (IR::Vector< T > &v, const char *name, int cidx)
 
template<class T >
void parallel_visit (IR::Vector< T > &v, const char *name=0)
 
void print_context () const
 
const VisitorsetCalledBy (const Visitor *visitor)
 
void setName (const char *name)
 
void visit (const IR::Node &n, const char *name, int cidx)
 
void visit (const IR::Node &n, const char *name=0)
 
void visit (const IR::Node *&n, const char *name, int cidx)
 
void visit (const IR::Node *&n, const char *name=0)
 
void visit (const IR::Node *const &n, const char *name, int cidx)
 
void visit (const IR::Node *const &n, const char *name=0)
 
void visit (IR::Node &n, const char *name, int cidx)
 
void visit (IR::Node &n, const char *name=0)
 
void visit (IR::Node *&, const char *=0, int=0)
 
template<class T , typename = std::enable_if_t<Util::has_SourceInfo_v<T> && !std::is_pointer_v<T>>, class... Args>
void warn (const int kind, const char *format, const T &node, Args &&...args)
 The const ref variant of the above.
 
template<class T , typename = std::enable_if_t<Util::has_SourceInfo_v<T>>, class... Args>
void warn (const int kind, const char *format, const T *node, Args &&...args)
 
bool warning_enabled (int warning_kind) const
 
- Public Member Functions inherited from P4::DeclarationLookup

Friends

std::ostream & operator<< (std::ostream &out, const TableMutex &mutex)
 

Additional Inherited Members

- Public Types inherited from P4::Visitor
typedef Visitor_Context Context
 
- Static Public Member Functions inherited from P4::Visitor
static cstring demangle (const char *)
 
static bool warning_enabled (const Visitor *visitor, int warning_kind)
 
- Public Attributes inherited from P4::Visitor
const Visitorcalled_by = nullptr
 
cstring internalName
 
SplitFlowVisit_base *& split_link
 
SplitFlowVisit_basesplit_link_mem = nullptr
 
- Protected Member Functions inherited from P4::ResolutionContext
 ResolutionContext (bool ao)
 
std::vector< const IR::IDeclaration * > lookup (const IR::INamespace *ns, const IR::ID &name, ResolutionType type) const
 
std::vector< const IR::IDeclaration * > lookupMatchKind (const IR::ID &name) const
 
const IR::Vector< IR::Argument > * methodArguments (cstring name) const
 We are resolving a method call. Find the arguments from the context.
 
- Protected Member Functions inherited from P4::Visitor
virtual void init_join_flows (const IR::Node *)
 
virtual bool join_flows (const IR::Node *)
 
virtual void post_join_flows (const IR::Node *, const IR::Node *)
 
void visit_children (const IR::Node *, std::function< void()> fn)
 
virtual void visitAgain () const
 
virtual void visitOnce () const
 
- Protected Attributes inherited from P4::ResolutionContext
bool anyOrder = false
 
- Protected Attributes inherited from P4::Visitor
bool dontForwardChildrenBeforePreorder = false
 
bool joinFlows = false
 
bool visitDagOnce = true
 

Detailed Description

Copyright (C) 2024 Intel Corporation

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

SPDX-License-Identifier: Apache-2.0 Inspector to determine which tables in the midend are mutually exclusive after running this pass, the operator() method can be used to query iff two tables arte mutalluy exclusive


Class Documentation

◆ TableMutex::Shared

struct TableMutex::Shared

Copyright (C) 2024 Intel Corporation

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

SPDX-License-Identifier: Apache-2.0

Class Members
SymBitMatrix mutex
SymBitMatrix not_mutex
bitvec seen_in_control
vector< cstring > tableById
map< cstring, int > tableByName
map< cstring, ordered_set< int > > tablesForAction