feat: Implement first version of m_invoke matcher

Author: AmrDeveloper

docs/InstructionMatcher.md

@@ -131,4 +131,5 @@ Instructions Matchers are functions that build a instruction matcher to match ag
 
 |   Function   | Parameters |   Return    |                     Description                      |
 | :----------: | :--------: | :---------: | :--------------------------------------------------: |
+|   m_invoke   |     ()     | InstMatcher |   Build Inst Matcher that match invoke Instruction   |
 | m_landingpad |     ()     | InstMatcher | Build Inst Matcher that match landingpad Instruction |

src/functions/matchers/exception.rs

@@ -2,6 +2,7 @@ use std::collections::HashMap;
 
 use crate::ir::types::InstMatcherType;
 use crate::ir::values::InstMatcherValue;
+use crate::matchers::exception::InvokeInstMatcher;
 use crate::matchers::exception::LandingPadInstMatcher;
 
 use gitql_core::signature::Function;
@@ -10,13 +11,22 @@ use gitql_core::values::base::Value;
 
 #[inline(always)]
 pub fn register_exception_inst_matchers_functions(map: &mut HashMap<&'static str, Function>) {
+    map.insert("m_invoke", match_invoke_inst);
     map.insert("m_landingpad", match_landingpad_inst);
 }
 
 #[inline(always)]
 pub fn register_exception_inst_matchers_function_signatures(
     map: &mut HashMap<&'static str, Signature>,
 ) {
+    map.insert(
+        "m_invoke",
+        Signature {
+            parameters: vec![],
+            return_type: Box::new(InstMatcherType),
+        },
+    );
+
     map.insert(
         "m_landingpad",
         Signature {
@@ -26,8 +36,12 @@ pub fn register_exception_inst_matchers_function_signatures(
     );
 }
 
+fn match_invoke_inst(_values: &[Box<dyn Value>]) -> Box<dyn Value> {
+    let matcher = Box::new(InvokeInstMatcher);
+    Box::new(InstMatcherValue { matcher })
+}
+
 fn match_landingpad_inst(_values: &[Box<dyn Value>]) -> Box<dyn Value> {
-    Box::new(InstMatcherValue {
-        matcher: Box::new(LandingPadInstMatcher),
-    })
+    let matcher = Box::new(LandingPadInstMatcher);
+    Box::new(InstMatcherValue { matcher })
 }

src/matchers/exception.rs

@@ -13,3 +13,13 @@ impl InstMatcher for LandingPadInstMatcher {
         unsafe { LLVMOpcode::LLVMLandingPad == LLVMGetInstructionOpcode(instruction) }
     }
 }
+
+#[derive(Clone)]
+pub struct InvokeInstMatcher;
+
+impl InstMatcher for InvokeInstMatcher {
+    #[allow(clippy::not_unsafe_ptr_arg_deref)]
+    fn is_match(&self, instruction: LLVMValueRef) -> bool {
+        unsafe { LLVMOpcode::LLVMInvoke == LLVMGetInstructionOpcode(instruction) }
+    }
+}