From f682ca69b356755fe6c06bcdd8f4fab73f7d2c78 Mon Sep 17 00:00:00 2001
From: Rubens Brandao <git@rubens.io>
Date: Wed, 22 Nov 2023 18:57:28 -0300
Subject: Rust API : Add HLIL Bindings

---
 rust/src/hlil/function.rs | 107 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 rust/src/hlil/function.rs

(limited to 'rust/src/hlil/function.rs')

diff --git a/rust/src/hlil/function.rs b/rust/src/hlil/function.rs
new file mode 100644
index 00000000..40d01dfe
--- /dev/null
+++ b/rust/src/hlil/function.rs
@@ -0,0 +1,107 @@
+use std::hash::{Hash, Hasher};
+
+use binaryninjacore_sys::BNFreeHighLevelILFunction;
+use binaryninjacore_sys::BNGetHighLevelILBasicBlockList;
+use binaryninjacore_sys::BNGetHighLevelILInstructionCount;
+use binaryninjacore_sys::BNGetHighLevelILOwnerFunction;
+use binaryninjacore_sys::BNGetHighLevelILSSAForm;
+use binaryninjacore_sys::BNHighLevelILFunction;
+use binaryninjacore_sys::BNNewHighLevelILFunctionReference;
+
+use crate::basicblock::BasicBlock;
+use crate::function::Function;
+use crate::rc::{Array, Ref, RefCountable};
+
+use super::{HighLevelILBlock, HighLevelILInstruction};
+
+pub struct HighLevelILFunction {
+    pub(crate) full_ast: bool,
+    pub(crate) handle: *mut BNHighLevelILFunction,
+}
+
+unsafe impl Send for HighLevelILFunction {}
+unsafe impl Sync for HighLevelILFunction {}
+
+impl Eq for HighLevelILFunction {}
+impl PartialEq for HighLevelILFunction {
+    fn eq(&self, rhs: &Self) -> bool {
+        self.get_function().eq(&rhs.get_function())
+    }
+}
+
+impl Hash for HighLevelILFunction {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        self.get_function().hash(state)
+    }
+}
+
+impl HighLevelILFunction {
+    pub(crate) unsafe fn ref_from_raw(
+        handle: *mut BNHighLevelILFunction,
+        full_ast: bool,
+    ) -> Ref<Self> {
+        debug_assert!(!handle.is_null());
+        Self { handle, full_ast }.to_owned()
+    }
+
+    pub fn instruction_from_idx(&self, expr_idx: usize) -> HighLevelILInstruction {
+        HighLevelILInstruction::new(self, expr_idx)
+    }
+
+    pub fn instruction_count(&self) -> usize {
+        unsafe { BNGetHighLevelILInstructionCount(self.handle) }
+    }
+
+    pub fn ssa_form(&self) -> HighLevelILFunction {
+        let ssa = unsafe { BNGetHighLevelILSSAForm(self.handle) };
+        assert!(!ssa.is_null());
+        HighLevelILFunction {
+            handle: ssa,
+            full_ast: self.full_ast,
+        }
+    }
+
+    pub fn get_function(&self) -> Ref<Function> {
+        unsafe {
+            let func = BNGetHighLevelILOwnerFunction(self.handle);
+            Function::from_raw(func)
+        }
+    }
+
+    pub fn basic_blocks(&self) -> Array<BasicBlock<HighLevelILBlock>> {
+        let mut count = 0;
+        let blocks = unsafe { BNGetHighLevelILBasicBlockList(self.handle, &mut count) };
+        let context = HighLevelILBlock {
+            function: self.to_owned(),
+        };
+
+        unsafe { Array::new(blocks, count, context) }
+    }
+}
+
+impl ToOwned for HighLevelILFunction {
+    type Owned = Ref<Self>;
+
+    fn to_owned(&self) -> Self::Owned {
+        unsafe { RefCountable::inc_ref(self) }
+    }
+}
+
+unsafe impl RefCountable for HighLevelILFunction {
+    unsafe fn inc_ref(handle: &Self) -> Ref<Self> {
+        Ref::new(Self {
+            handle: BNNewHighLevelILFunctionReference(handle.handle),
+            full_ast: handle.full_ast,
+        })
+    }
+
+    unsafe fn dec_ref(handle: &Self) {
+        BNFreeHighLevelILFunction(handle.handle);
+    }
+}
+
+impl core::fmt::Debug for HighLevelILFunction {
+    fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
+        write!(f, "<hlil func handle {:p}>", self.handle)
+    }
+}
-- 
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