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// Copyright 2021-2025 Vector 35 Inc.
//
// 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.
//! Interfaces for creating and displaying pretty CFGs in Binary Ninja.
use binaryninjacore_sys::*;
use crate::high_level_il::HighLevelILFunction;
use crate::low_level_il::LowLevelILRegularFunction;
use crate::medium_level_il::MediumLevelILFunction;
use crate::rc::*;
use crate::render_layer::CoreRenderLayer;
pub mod edge;
pub mod node;
pub use edge::EdgeStyle;
pub use edge::FlowGraphEdge;
pub use node::FlowGraphNode;
pub type BranchType = BNBranchType;
pub type EdgePenStyle = BNEdgePenStyle;
pub type ThemeColor = BNThemeColor;
pub type FlowGraphOption = BNFlowGraphOption;
#[derive(PartialEq, Eq, Hash)]
pub struct FlowGraph {
pub(crate) handle: *mut BNFlowGraph,
}
impl FlowGraph {
pub(crate) unsafe fn from_raw(raw: *mut BNFlowGraph) -> Self {
Self { handle: raw }
}
pub(crate) unsafe fn ref_from_raw(raw: *mut BNFlowGraph) -> Ref<Self> {
Ref::new(Self { handle: raw })
}
pub fn new() -> Ref<Self> {
unsafe { FlowGraph::ref_from_raw(BNCreateFlowGraph()) }
}
pub fn nodes(&self) -> Array<FlowGraphNode> {
let mut count: usize = 0;
let nodes_ptr = unsafe { BNGetFlowGraphNodes(self.handle, &mut count as *mut usize) };
unsafe { Array::new(nodes_ptr, count, ()) }
}
pub fn low_level_il(&self) -> Result<Ref<LowLevelILRegularFunction>, ()> {
unsafe {
let llil_ptr = BNGetFlowGraphLowLevelILFunction(self.handle);
match llil_ptr.is_null() {
false => Ok(LowLevelILRegularFunction::ref_from_raw(llil_ptr)),
true => Err(()),
}
}
}
pub fn medium_level_il(&self) -> Result<Ref<MediumLevelILFunction>, ()> {
unsafe {
let mlil_ptr = BNGetFlowGraphMediumLevelILFunction(self.handle);
match mlil_ptr.is_null() {
false => Ok(MediumLevelILFunction::ref_from_raw(mlil_ptr)),
true => Err(()),
}
}
}
pub fn high_level_il(&self, full_ast: bool) -> Result<Ref<HighLevelILFunction>, ()> {
unsafe {
let hlil_ptr = BNGetFlowGraphHighLevelILFunction(self.handle);
match hlil_ptr.is_null() {
false => Ok(HighLevelILFunction::ref_from_raw(hlil_ptr, full_ast)),
true => Err(()),
}
}
}
pub fn get_node(&self, i: usize) -> Option<Ref<FlowGraphNode>> {
let node_ptr = unsafe { BNGetFlowGraphNode(self.handle, i) };
if node_ptr.is_null() {
None
} else {
Some(unsafe { FlowGraphNode::ref_from_raw(node_ptr) })
}
}
pub fn get_node_count(&self) -> usize {
unsafe { BNGetFlowGraphNodeCount(self.handle) }
}
pub fn has_nodes(&self) -> bool {
unsafe { BNFlowGraphHasNodes(self.handle) }
}
pub fn append(&self, node: &FlowGraphNode) -> usize {
unsafe { BNAddFlowGraphNode(self.handle, node.handle) }
}
pub fn replace(&self, index: usize, node: &FlowGraphNode) {
unsafe { BNReplaceFlowGraphNode(self.handle, index, node.handle) }
}
pub fn clear(&self) {
unsafe { BNClearFlowGraphNodes(self.handle) }
}
pub fn set_option(&self, option: FlowGraphOption, value: bool) {
unsafe { BNSetFlowGraphOption(self.handle, option, value) }
}
pub fn is_option_set(&self, option: FlowGraphOption) -> bool {
unsafe { BNIsFlowGraphOptionSet(self.handle, option) }
}
/// A list of the currently applied [`CoreRenderLayer`]'s
pub fn render_layers(&self) -> Array<CoreRenderLayer> {
let mut count: usize = 0;
unsafe {
let handles = BNGetFlowGraphRenderLayers(self.handle, &mut count);
Array::new(handles, count, ())
}
}
/// Add a Render Layer to be applied to this [`FlowGraph`].
///
/// NOTE: Layers will be applied in the order in which they are added.
pub fn add_render_layer(&self, layer: &CoreRenderLayer) {
unsafe { BNAddFlowGraphRenderLayer(self.handle, layer.handle.as_ptr()) };
}
/// Remove a Render Layer from being applied to this [`FlowGraph`].
pub fn remove_render_layer(&self, layer: &CoreRenderLayer) {
unsafe { BNRemoveFlowGraphRenderLayer(self.handle, layer.handle.as_ptr()) };
}
}
unsafe impl RefCountable for FlowGraph {
unsafe fn inc_ref(handle: &Self) -> Ref<Self> {
Ref::new(Self {
handle: BNNewFlowGraphReference(handle.handle),
})
}
unsafe fn dec_ref(handle: &Self) {
BNFreeFlowGraph(handle.handle);
}
}
impl ToOwned for FlowGraph {
type Owned = Ref<Self>;
fn to_owned(&self) -> Self::Owned {
unsafe { RefCountable::inc_ref(self) }
}
}
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