Changelog and no_std

Author: m-kus

CHANGELOG.md

@@ -21,6 +21,8 @@
   * Fix prover input.
   * Fix version reading when no version is supplied.
 
+* feat: Add support for ByteArray in DebugPrint: [#1853](https://github.com/lambdaclass/cairo-vm/pull/1853)
+  * Debug print handler is swapped with the implementation from cairo-lang-runner 
 
 * chore: bump `cairo-lang-` dependencies to 2.7.1 [#1823](https://github.com/lambdaclass/cairo-vm/pull/1823)
 

vm/src/hint_processor/cairo_1_hint_processor/hint_processor.rs

@@ -1,7 +1,6 @@
 use super::dict_manager::DictManagerExecScope;
 use super::hint_processor_utils::*;
 use crate::any_box;
-use crate::hint_processor::cairo_1_hint_processor::debug_print::format_for_debug;
 use crate::hint_processor::cairo_1_hint_processor::dict_manager::DictSquashExecScope;
 use crate::hint_processor::hint_processor_definition::HintReference;
 use crate::stdlib::{boxed::Box, collections::HashMap, prelude::*};
@@ -108,11 +107,17 @@ impl Cairo1HintProcessor {
                 quotient,
                 remainder,
             })) => self.div_mod(vm, lhs, rhs, quotient, remainder),
+
+            #[allow(unused_variables)]
             Hint::Core(CoreHintBase::Core(CoreHint::DebugPrint { start, end })) => {
-                print!(
-                    "{}",
-                    format_for_debug(read_felts(vm, start, end)?.into_iter())
-                );
+                #[cfg(feature = "std")]
+                {
+                    use crate::hint_processor::cairo_1_hint_processor::debug_print::format_for_debug;
+                    print!(
+                        "{}",
+                        format_for_debug(read_felts(vm, start, end)?.into_iter())
+                    );
+                }
                 Ok(())
             }
             Hint::Core(CoreHintBase::Core(CoreHint::Uint256SquareRoot {

vm/src/hint_processor/cairo_1_hint_processor/hint_processor_utils.rs

@@ -134,6 +134,7 @@ pub(crate) fn res_operand_get_val(
 }
 
 /// Reads a range of `Felt252`s from the VM.
+#[cfg(feature = "std")]
 pub(crate) fn read_felts(
     vm: &mut VirtualMachine,
     start: &ResOperand,

vm/src/hint_processor/cairo_1_hint_processor/mod.rs

@@ -1,3 +1,4 @@
+#[cfg(feature = "std")]
 pub mod debug_print;
 pub mod dict_manager;
 pub mod hint_processor;