feat: scaffold Memory component (#99)

Author: zmalatrax

crates/brainfuck_prover/src/components/memory/component.rs

@@ -1,4 +1,46 @@
-use stwo_prover::core::{channel::Channel, fields::qm31::SecureField};
+use super::table::MemoryElements;
+use crate::components::MemoryClaim;
+use stwo_prover::{
+    constraint_framework::{EvalAtRow, FrameworkComponent, FrameworkEval},
+    core::{channel::Channel, fields::qm31::SecureField},
+};
+
+pub type MemoryComponent = FrameworkComponent<MemoryEval>;
+
+#[allow(dead_code)]
+pub struct MemoryEval {
+    log_size: u32,
+    memory_lookup_elements: MemoryElements,
+    claimed_sum: SecureField,
+}
+
+impl MemoryEval {
+    pub const fn new(
+        claim: &MemoryClaim,
+        memory_lookup_elements: MemoryElements,
+        interaction_claim: &InteractionClaim,
+    ) -> Self {
+        Self {
+            log_size: claim.log_size,
+            memory_lookup_elements,
+            claimed_sum: interaction_claim.claimed_sum,
+        }
+    }
+}
+
+impl FrameworkEval for MemoryEval {
+    fn log_size(&self) -> u32 {
+        self.log_size
+    }
+
+    fn max_constraint_log_degree_bound(&self) -> u32 {
+        self.log_size + 1
+    }
+
+    fn evaluate<E: EvalAtRow>(&self, mut _eval: E) -> E {
+        todo!()
+    }
+}
 
 /// The claim of the interaction phase 2 (with the logUp protocol).
 ///