Improve docs, make functions internal

Author: JulianGCalderon

vm/src/vm/runners/cairo_runner.rs

@@ -407,15 +407,15 @@ impl CairoRunnerBuilder {
         Ok(())
     }
 
-    /// Predecodes the program's instructions.
+    /// Loads decoded program instructions.
     ///
     /// # Safety
     ///
     /// The decoded instructions must belong the the associated program. To
     /// obtain them, call [VirtualMachine::take_instruction_cache] at the end of
     /// the execution.
     ///
-    /// [VirtualMachine::take_instruction_cache]: crate::vm::vm_core::VirtualMachine::take_instruction_cache
+    /// [VirtualMachine::take_instruction_cache]: VirtualMachine::take_instruction_cache
     pub fn load_cached_instructions(
         &mut self,
         instructions: Vec<Option<Instruction>>,

vm/src/vm/vm_core.rs

@@ -541,7 +541,7 @@ impl VirtualMachine {
     ///
     /// [CairoRunner::run_until_pc_v2]: crate::vm::runners::cairo_runner::CairoRunner::run_until_pc_v2
     #[cfg(not(feature = "extensive_hints"))]
-    pub fn step_hint_v2(
+    pub(crate) fn step_hint_v2(
         &mut self,
         hint_processor: &mut dyn HintProcessor,
         exec_scopes: &mut ExecutionScopes,
@@ -594,7 +594,7 @@ impl VirtualMachine {
     ///
     /// [CairoRunner::run_until_pc_v2]: crate::vm::runners::cairo_runner::CairoRunner::run_until_pc_v2
     #[cfg(feature = "extensive_hints")]
-    pub fn step_hint_v2(
+    pub(crate) fn step_hint_v2(
         &mut self,
         hint_processor: &mut dyn HintProcessor,
         exec_scopes: &mut ExecutionScopes,
@@ -699,7 +699,7 @@ impl VirtualMachine {
     /// `test_utils` features, as doing so would imply breaking the hook API.
     ///
     /// [CairoRunner::run_until_pc_v2]: crate::vm::runners::cairo_runner::CairoRunner::run_until_pc_v2
-    pub fn step_v2(
+    pub(crate) fn step_v2(
         &mut self,
         hint_processor: &mut dyn HintProcessor,
         exec_scopes: &mut ExecutionScopes,