Crate paralegal_spdg

This crate defines the program dependence graph (PDG) generated by Paralegal.

The top-level type is ProgramDescription. This type references multiple types defined within the Rust compiler such as MIR locations. To avoid requiring a rustc_private dependency on paralegal_spdg clients, we provide proxies in the rustc_proxies module for all Rustc types within the PDG.

Re-exports

• pub use node_cluster::NodeCluster;

Modules

• dot
  Display SPDGs as dot graphs
• node_cluster
  Collections of nodes in a single controller
• rustc 🔒
• rustc_portable
  Exports either rustc identifiers or their proxies depending on whether the rustc feature is enabled.
• rustc_proxies
  Proxies for Rustc types used within the PDG.
• ser
  Canonical serialziation to use. This is so that paralegal-flow and paralegal-policy agree on the format to use.
• ser_defid_map 🔒
• ser_defid_seq 🔒
• ser_localdefid_map 🔒
• tiny_bitset 🔒
• tiny_bitset_pretty
  Serialization that is readable. Serializes the set as a list of integers (that are set to one).
• traverse
  Utilities for traversing an SPDG
• utils
  Utility functions and structs

Structs

• CallString
  A location within the global call-graph.
• DefInfo
  Exported information from rustc about what sort of object a DefId points to.
• DisplayNode
  A structure with a Display implementation that shows information about a node index in a given graph.
• DisplayPath
  Provides a way to format rust paths
• EdgeInfo
  Metadata for an edge in the SPDGImpl
• FunctionCallInfo
  Metadata on a function call.
• GlobalEdge
  The global version of an edge that is tied to some specific entrypoint
• GlobalLocation
  A RichLocation within a specific point in a codebase.
• GlobalNode
  A globally identified node in an SPDG
• GlobalNodeIter
  Return type of IntoIterGlobalNodes::iter_global_nodes.
• HashMap
  A hash map implemented with quadratic probing and SIMD lookup.
• HashSet
  A hash set implemented as a HashMap where the value is ().
• Identifier
  An identifier for any kind of object (functions, markers, etc.).
• InstructionInfo
  Information about an instruction represented in the PDG
• MarkerAnnotation
  A marker annotation and its refinements.
• NodeInfo
  Node metadata in the SPDGImpl
• ProgramDescription
  The annotated program dependence graph.
• SPDG
  A semantic PDG, e.g. a graph plus marker annotations
• SPDGStats
  Statistics about the code that produced an SPDG
• ShortHash
  Create a hash for this object that is no longer than six hex digits
• SourceFile
  An interned SourceFileInfo
• SourceFileInfo
  Information about a source file
• Span
  Encodes a source code location
• SpanCoord
  A “point” within a source file. Used to compose and compare spans.
• TinyBitSet
  A bit-set implemented with a u16, supporting domains up to 16 elements.
• TypeDescription
  Metadata about a type
• Types
  Holds TypeIds that were assigned to a node.

Enums

• DefKind
  Similar to DefKind in rustc but not the same!
• EdgeKind
  The type of an edge
• InstructionKind
  The type of instructions we may encounter
• RichLocation
  Extends a MIR body’s Location with Start (before the first instruction) and End (after all returns).
• SourceUse
  Additional information about the source of data.
• TargetUse
  Additional information about this mutation.

Constants

• FLOW_GRAPH_OUT_NAME
  Name of the file used for emitting the serialized ProgramDescription.

Traits

• IntoIterGlobalNodes
  This lets us be agnostic whether a primitive (such as flows_to) is called with a GlobalNode or &NodeCluster.

Functions

• hash_pls
  Calculate a hash for this object

Type Aliases

• ControllerMap
  Endpoints with their SPDGs
• Endpoint
  The types of identifiers that identify an entrypoint
• Function
  Identifiers for functions
• Node
  Local nodes in an SPDGImpl
• SPDGImpl
  The graph portion of an SPDG
• TypeId
  Identifiers for types
• TypeInfoMap
  information about each encountered type.