more tests/start on code instructions

src/instructions/code.rs

@@ -0,0 +1,296 @@
+use std::ops::Not;
+
+use crate::push::state::{Gene, PushState};
+
+/// Checks to see if a single gene is a block.
+fn _is_block(vals: Vec<Gene>) -> Option<bool> {
+    Some(match vals[0] {
+        Gene::Block(_) => true,
+        _ => false,
+    })
+}
+make_instruction_clone!(code, boolean, _is_block, Gene, 1);
+
+/// Checks to see if a single gene is not a block.
+fn _is_singular(vals: Vec<Gene>) -> Option<bool> {
+    Some(_is_block(vals)?.not())
+}
+make_instruction_clone!(code, boolean, _is_singular, Gene, 1);
+
+/// Returns the length of a block, else 1 if not a block
+fn _length(vals: Vec<Gene>) -> Option<i128> {
+    Some(match &vals[0] {
+        Gene::Block(x) => x.len() as i128,
+        _ => 1,
+    })
+}
+make_instruction_clone!(code, int, _length, Gene, 1);
+
+/// Returns the first item in a block if doable, else None
+fn _first(vals: Vec<Gene>) -> Option<Gene> {
+    match &vals[0] {
+        Gene::Block(x) => {
+            if x.len() > 1 {
+                Some(x[0].clone())
+            } else {
+                None
+            }
+        }
+        _ => None,
+    }
+}
+make_instruction_clone!(code, code, _first, Gene, 1);
+
+/// Returns the first item in a block if applicable, else None
+fn _last(vals: Vec<Gene>) -> Option<Gene> {
+    match &vals[0] {
+        Gene::Block(x) => {
+            if x.len() > 1 {
+                Some(x.last()?.clone())
+            } else {
+                None
+            }
+        }
+        _ => None,
+    }
+}
+make_instruction_clone!(code, code, _last, Gene, 1);
+
+/// Returns all but the first code item in a block if applicable, else None
+fn _rest(vals: Vec<Gene>) -> Option<Gene> {
+    match &vals[0] {
+        Gene::Block(x) => {
+            if x.len() > 1 {
+                Some(Gene::Block(Box::new(x[1..].to_vec())))
+            } else {
+                None
+            }
+        }
+        _ => None,
+    }
+}
+make_instruction_clone!(code, code, _rest, Gene, 1);
+
+/// Returns all but the first code item in a block if applicable, else None
+fn _but_last(vals: Vec<Gene>) -> Option<Gene> {
+    match &vals[0] {
+        Gene::Block(x) => {
+            let x_len = x.len();
+            if x_len > 1 {
+                Some(Gene::Block(Box::new(x[..x_len - 1].to_vec())))
+            } else {
+                None
+            }
+        }
+        _ => None,
+    }
+}
+make_instruction_clone!(code, code, _but_last, Gene, 1);
+
+/// Returns all of the vals wrapped in a code block
+fn _wrap_block(vals: Vec<Gene>) -> Option<Gene> {
+    Some(Gene::Block(Box::new(vals)))
+}
+make_instruction_clone!(code, code, _wrap_block, Gene, 1);
+
+/// Combines two genes into one. Accounts for blocks.
+/// If the second gene is a block and the first one isn't,
+/// appends the first gene to the second gene.
+fn _combine(vals: Vec<Gene>) -> Option<Gene> {
+    match (&vals[0], &vals[1]) {
+        (Gene::Block(x), Gene::Block(y)) => {
+            let mut x_clone = x.clone();
+            let y_clone = y.clone();
+            x_clone.extend(y_clone.into_iter());
+            Some(Gene::Block(x_clone))
+        }
+        (Gene::Block(x), y) => {
+            let mut x_clone = x.clone();
+            x_clone.push(y.clone());
+            Some(Gene::Block(x_clone))
+        }
+        (x, Gene::Block(y)) => {
+            let mut y_clone = y.clone();
+            y_clone.push(x.clone());
+            Some(Gene::Block(y_clone))
+        }
+        (x, y) => Some(Gene::Block(Box::new(vec![x.clone(), y.clone()]))),
+    }
+}
+make_instruction_clone!(code, code, _combine, Gene, 1);
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::push::state::EMPTY_STATE;
+    use rust_decimal::dec;
+
+    #[test]
+    fn is_block_test() {
+        let mut test_state = EMPTY_STATE;
+
+        test_state.code = vec![Gene::Block(Box::new(vec![]))];
+        code_is_block(&mut test_state);
+        assert_eq!(vec![true], test_state.boolean);
+        test_state.boolean.clear();
+
+        test_state.code = vec![(Gene::GeneInt(1))];
+        code_is_block(&mut test_state);
+        assert_eq!(vec![false], test_state.boolean);
+    }
+
+    #[test]
+    fn is_singular_test() {
+        let mut test_state = EMPTY_STATE;
+
+        test_state.code = vec![Gene::Block(Box::new(vec![]))];
+        code_is_singular(&mut test_state);
+        assert_eq!(vec![false], test_state.boolean);
+        test_state.boolean.clear();
+
+        test_state.code = vec![(Gene::GeneInt(1))];
+        code_is_singular(&mut test_state);
+        assert_eq!(vec![true], test_state.boolean);
+    }
+
+    #[test]
+    fn length_test() {
+        let mut test_state = EMPTY_STATE;
+
+        test_state.code = vec![Gene::Block(Box::new(vec![
+            Gene::GeneInt(1),
+            Gene::GeneFloat(dec!(3.8)),
+        ]))];
+        code_length(&mut test_state);
+        assert_eq!(vec![2], test_state.int);
+        test_state.int.clear();
+
+        test_state.code = vec![Gene::Block(Box::new(vec![]))];
+        code_length(&mut test_state);
+        assert_eq!(vec![0], test_state.int);
+        test_state.int.clear();
+
+        test_state.code = vec![Gene::GeneInt(3)];
+        code_length(&mut test_state);
+        assert_eq!(vec![1], test_state.int);
+    }
+
+    #[test]
+    fn first_test() {
+        let mut test_state = EMPTY_STATE;
+
+        test_state.code = vec![Gene::Block(Box::new(vec![
+            Gene::GeneInt(1),
+            Gene::GeneFloat(dec!(3.8)),
+        ]))];
+        code_first(&mut test_state);
+        assert_eq!(vec![Gene::GeneInt(1)], test_state.code);
+
+        test_state.code = vec![];
+        code_first(&mut test_state);
+        let empty_vec: Vec<Gene> = vec![];
+        assert_eq!(empty_vec, test_state.code);
+        drop(empty_vec);
+
+        test_state.code = vec![Gene::GeneInt(1)];
+        code_first(&mut test_state);
+        assert_eq!(vec![Gene::GeneInt(1)], test_state.code);
+    }
+
+    #[test]
+    fn last_test() {
+        let mut test_state = EMPTY_STATE;
+
+        test_state.code = vec![Gene::Block(Box::new(vec![
+            Gene::GeneInt(1),
+            Gene::GeneFloat(dec!(3.8)),
+        ]))];
+        code_last(&mut test_state);
+        assert_eq!(vec![Gene::GeneFloat(dec!(3.8))], test_state.code);
+
+        test_state.code = vec![];
+        code_last(&mut test_state);
+        let empty_vec: Vec<Gene> = vec![];
+        assert_eq!(empty_vec, test_state.code);
+        drop(empty_vec);
+
+        test_state.code = vec![Gene::GeneInt(1)];
+        code_last(&mut test_state);
+        assert_eq!(vec![Gene::GeneInt(1)], test_state.code);
+    }
+
+    #[test]
+    fn rest_test() {
+        let mut test_state = EMPTY_STATE;
+
+        test_state.code = vec![Gene::Block(Box::new(vec![
+            Gene::GeneInt(1),
+            Gene::GeneFloat(dec!(3.8)),
+            Gene::GeneBoolean(true),
+        ]))];
+        code_rest(&mut test_state);
+        assert_eq!(
+            vec![Gene::Block(Box::new(vec![
+                Gene::GeneFloat(dec!(3.8)),
+                Gene::GeneBoolean(true)
+            ]))],
+            test_state.code
+        );
+
+        test_state.code = vec![];
+        code_rest(&mut test_state);
+        let empty_vec: Vec<Gene> = vec![];
+        assert_eq!(empty_vec, test_state.code);
+        drop(empty_vec);
+
+        test_state.code = vec![Gene::GeneInt(1)];
+        code_rest(&mut test_state);
+        assert_eq!(vec![Gene::GeneInt(1)], test_state.code);
+    }
+
+    #[test]
+    fn but_last_test() {
+        let mut test_state = EMPTY_STATE;
+
+        test_state.code = vec![Gene::Block(Box::new(vec![
+            Gene::GeneInt(1),
+            Gene::GeneFloat(dec!(3.8)),
+            Gene::GeneBoolean(true),
+        ]))];
+        code_but_last(&mut test_state);
+        assert_eq!(
+            vec![Gene::Block(Box::new(vec![
+                Gene::GeneInt(1),
+                Gene::GeneFloat(dec!(3.8)),
+            ]))],
+            test_state.code
+        );
+
+        test_state.code = vec![];
+        code_but_last(&mut test_state);
+        let empty_vec: Vec<Gene> = vec![];
+        assert_eq!(empty_vec, test_state.code);
+        drop(empty_vec);
+
+        test_state.code = vec![Gene::GeneInt(1)];
+        code_but_last(&mut test_state);
+        assert_eq!(vec![Gene::GeneInt(1)], test_state.code);
+    }
+
+    #[test]
+    fn wrap_block_test() {
+        let mut test_state = EMPTY_STATE;
+
+        test_state.code = vec![Gene::GeneInt(1)];
+        code_wrap_block(&mut test_state);
+        assert_eq!(
+            vec![Gene::Block(Box::new(vec![Gene::GeneInt(1)]))],
+            test_state.code
+        );
+    }
+
+    #[test]
+    fn combine_test() {
+        // TODO: This later
+    }
+}

src/instructions/logical.rs

@@ -2,8 +2,9 @@
 //!
 //! This file holds instructions for the boolean stack.
 
-use super::utils::{LogicalTrait, NumericTrait};
+use super::utils::{CastingTrait, LogicalTrait};
 use crate::push::state::PushState;
+use rust_decimal::Decimal;
 
 /// Runs logical and on two values
 fn _and<T>(vals: Vec<T>) -> Option<T>
@@ -59,17 +60,40 @@ where
 }
 make_instruction!(boolean, boolean, _invert_second_then_and, bool, 2);
 
-// fn _to_int<T>(vals: Vec<T>) -> Option<T>
+fn _from_int<T>(vals: Vec<i128>) -> Option<T>
-// where
+where
-//     T: Copy + NumericTrait,
+    T: Copy + CastingTrait,
-// {
+{
-//     Some(T::from_bool(vals))
+    T::from_int(vals[0])
-// }
+}
+make_instruction_out!(int, boolean, _from_int, i128, 1);
+
+fn _from_float<T>(vals: Vec<Decimal>) -> Option<T>
+where
+    T: Copy + CastingTrait,
+{
+    T::from_float(vals[0])
+}
+make_instruction_out!(float, boolean, _from_float, Decimal, 1);
+
+pub fn boolean_instructions() -> Vec<fn(&mut PushState)> {
+    vec![
+        boolean_and,
+        boolean_or,
+        boolean_not,
+        boolean_xor,
+        boolean_invert_first_then_and,
+        boolean_invert_second_then_and,
+        boolean_from_int,
+        boolean_from_float,
+    ]
+}
 
 #[cfg(test)]
 mod tests {
     use super::*;
     use crate::push::state::EMPTY_STATE;
+    use rust_decimal::dec;
 
     #[test]
     fn and_test() {
@@ -147,4 +171,28 @@ mod tests {
         boolean_invert_second_then_and(&mut test_state);
         assert_eq!(vec![true], test_state.boolean);
     }
+
+    #[test]
+    fn cast_test() {
+        let mut test_state = EMPTY_STATE;
+
+        test_state.int = vec![1];
+        boolean_from_int(&mut test_state);
+        assert_eq!(vec![true], test_state.boolean);
+        test_state.boolean.clear();
+
+        test_state.int = vec![0];
+        boolean_from_int(&mut test_state);
+        assert_eq!(vec![false], test_state.boolean);
+        test_state.boolean.clear();
+
+        test_state.float = vec![dec!(2.0)];
+        boolean_from_float(&mut test_state);
+        assert_eq!(vec![true], test_state.boolean);
+        test_state.boolean.clear();
+
+        test_state.float = vec![dec!(0.0)];
+        boolean_from_float(&mut test_state);
+        assert_eq!(vec![false], test_state.boolean);
+    }
 }

src/instructions/mod.rs

@@ -43,8 +43,66 @@ pub mod macros {
             }
         };
     }
+
+    /// The same as make_instruction above but prepends the output
+    /// stack to the function name rather than the input stack.
+    #[macro_export]
+    macro_rules! make_instruction_out {
+        ($in_stack:ident, $out_stack:ident, $fn_name:ident, $fn_type:ty, $fn_arity:stmt) => {
+            paste::item! {
+                /// Runs the $fn_name function on the top $fn_arity items from
+                /// the $in_stack and places the calculated value on the $out_stack.
+                pub fn [< $out_stack $fn_name >] (state: &mut PushState) {
+                    let in_stack_len = state.$in_stack.len();
+                    if in_stack_len < $fn_arity {
+                        return;
+                    }
+                    let mut inputs: Vec<$fn_type> = Vec::with_capacity($fn_arity);
+                    for n in 1..=$fn_arity {
+                        inputs.push(state.$in_stack[in_stack_len - n]);
+                    }
+                    if let Some(result) = $fn_name(inputs) {
+                        for _ in 0..$fn_arity {
+                            state.$in_stack.pop();
+                        }
+                        state.$out_stack.push(result);
+                    }
+                }
+            }
+        };
+    }
+
+    /// The same as make_instruction but uses clone() to fill the arguments
+    /// to each function rather than a reference. Is slower, but will be okay
+    /// for the time being.
+    #[macro_export]
+    macro_rules! make_instruction_clone {
+        ($in_stack:ident, $out_stack:ident, $fn_name:ident, $fn_type:ty, $fn_arity:stmt) => {
+            paste::item! {
+                /// Runs the $fn_name function on the top $fn_arity items from
+                /// the $in_stack and places the calculated value on the $out_stack.
+                pub fn [< $in_stack $fn_name >] (state: &mut PushState) {
+                    let in_stack_len = state.$in_stack.len();
+                    if in_stack_len < $fn_arity {
+                        return;
+                    }
+                    let mut inputs: Vec<$fn_type> = Vec::with_capacity($fn_arity);
+                    for n in 1..=$fn_arity {
+                        inputs.push(state.$in_stack[in_stack_len - n].clone());
+                    }
+                    if let Some(result) = $fn_name(inputs) {
+                        for _ in 0..$fn_arity {
+                            state.$in_stack.pop();
+                        }
+                        state.$out_stack.push(result);
+                    }
+                }
+            }
+        };
+    }
 }
 
+pub mod code;
 pub mod logical;
 pub mod numeric;
 pub mod utils;

src/instructions/numeric.rs

@@ -11,7 +11,7 @@ use rust_decimal::prelude::{FromPrimitive, ToPrimitive};
 use std::cmp::{max, min};
 use std::ops::{Add, Div, Mul, Sub};
 
-use super::utils::NumericTrait;
+use super::utils::{CastingTrait, NumericTrait};
 
 /// Adds two addable values together.
 fn _add<T>(vals: Vec<T>) -> Option<T>
@@ -203,27 +203,33 @@ where
 make_instruction!(int, int, _arctan, i128, 1);
 make_instruction!(float, float, _arctan, Decimal, 1);
 
-/// Converts the top int to a float.
+/// Converts a single value from a float to an arbitrary type.
-fn _to_int(vals: Vec<Decimal>) -> Option<i128> {
+fn _from_int<T>(vals: Vec<i128>) -> Option<T>
-    vals[0].to_i128()
-}
-make_instruction!(float, int, _to_int, Decimal, 1);
-
-/// Converts the top float to an int.
-fn _to_float(vals: Vec<i128>) -> Option<Decimal> {
-    Decimal::from_i128(vals[0])
-}
-make_instruction!(int, float, _to_float, i128, 1);
-
-/// Converts a single number to a bool.
-fn _from_bool<T>(vals: Vec<bool>) -> Option<T>
 where
-    T: Copy + NumericTrait,
+    T: Copy + CastingTrait,
 {
-    Some(T::from_bool(vals[0]))
+    T::from_int(vals[0])
 }
-make_instruction!(int, boolean, _from_bool, bool, 1);
+make_instruction_out!(int, float, _from_int, i128, 1);
-make_instruction!(float, boolean, _from_bool, bool, 1);
+
+/// Converts a single value from a float to an arbitrary type.
+fn _from_float<T>(vals: Vec<Decimal>) -> Option<T>
+where
+    T: Copy + CastingTrait,
+{
+    T::from_float(vals[0])
+}
+make_instruction_out!(float, int, _from_float, Decimal, 1);
+
+/// Converts a bool to a to a new type.
+fn _from_boolean<T>(vals: Vec<bool>) -> Option<T>
+where
+    T: Copy + CastingTrait,
+{
+    T::from_bool(vals[0])
+}
+make_instruction_out!(boolean, int, _from_boolean, bool, 1);
+make_instruction_out!(boolean, float, _from_boolean, bool, 1);
 
 /// Takes the log base 10 of a single Decimal. Acts as a
 /// NoOp if the value is 0. If the value is negative, takes
@@ -321,8 +327,8 @@ pub fn int_instructions() -> Vec<fn(&mut PushState)> {
         int_arccos,
         int_tan,
         int_arctan,
-        int_to_float,
+        int_from_float,
-        int_to_bool,
+        int_from_boolean,
         int_log,
         int_exp,
         int_sqrt,
@@ -355,8 +361,8 @@ pub fn float_instructions() -> Vec<fn(&mut PushState)> {
         float_arccos,
         float_tan,
         float_arctan,
-        float_to_int,
+        float_from_int,
-        float_to_bool,
+        float_from_boolean,
         float_log,
         float_exp,
         float_sqrt,
@@ -542,17 +548,6 @@ mod tests {
         assert_eq!(Some(dec!(1.0000000043184676055890307049)), _arctan(vals));
     }
 
-    /// Tests the functions that cast from one numeric type
-    /// to another
-    #[test]
-    fn cast_tests() {
-        let vals = vec![dec!(1.2)];
-        assert_eq!(Some(1), _to_int(vals));
-
-        let vals: Vec<i128> = vec![2];
-        assert_eq!(Some(dec!(2.0)), _to_float(vals));
-    }
-
     /// Tests that the various addition functions.
     #[test]
     fn state_add() {
@@ -793,32 +788,13 @@ mod tests {
         let mut test_state = EMPTY_STATE;
 
         test_state.int = vec![0, 1];
-        int_to_float(&mut test_state);
+        float_from_int(&mut test_state);
         assert_eq!(vec![dec!(1.0)], test_state.float);
-
         test_state.int.clear();
+
         test_state.float = vec![dec!(2.1)];
-        float_to_int(&mut test_state);
+        int_from_float(&mut test_state);
         assert_eq!(vec![2], test_state.int);
-
-        test_state.int = vec![1];
-        int_to_bool(&mut test_state);
-        assert_eq!(vec![true], test_state.boolean);
-        test_state.boolean.clear();
-
-        test_state.int = vec![0];
-        int_to_bool(&mut test_state);
-        assert_eq!(vec![false], test_state.boolean);
-        test_state.boolean.clear();
-
-        test_state.float = vec![dec!(2.0)];
-        float_to_bool(&mut test_state);
-        assert_eq!(vec![true], test_state.boolean);
-        test_state.boolean.clear();
-
-        test_state.float = vec![dec!(0.0)];
-        float_to_bool(&mut test_state);
-        assert_eq!(vec![false], test_state.boolean);
     }
 
     /// Tests the log function

src/instructions/utils.rs

@@ -21,10 +21,8 @@ pub trait NumericTrait: Sized + Div<Output = Self> {
     fn absolute(self) -> Self;
     fn safe_log10(self) -> Option<Self>;
     fn safe_sqrt(self) -> Option<Self>;
-    fn to_bool(self) -> bool;
     fn sign_reverse(self) -> Self;
     fn square(self) -> Self;
-    fn from_bool(v: bool) -> Self;
 }
 
 impl NumericTrait for Decimal {
@@ -64,18 +62,12 @@ impl NumericTrait for Decimal {
     fn safe_sqrt(self) -> Option<Self> {
         self.absolute().sqrt()
     }
-    fn to_bool(self) -> bool {
-        if self == dec!(0.0) { false } else { true }
-    }
     fn sign_reverse(self) -> Self {
         self * dec!(-1)
     }
     fn square(self) -> Self {
         self * self
     }
-    fn from_bool(v: bool) -> Self {
-        if v { dec!(1.0) } else { dec!(0.0) }
-    }
 }
 
 impl NumericTrait for i128 {
@@ -120,20 +112,16 @@ impl NumericTrait for i128 {
     fn safe_sqrt(self) -> Option<Self> {
         Decimal::from_i128(self)?.absolute().sqrt()?.to_i128()
     }
-    fn to_bool(self) -> bool {
-        if self == 0 { false } else { true }
-    }
     fn sign_reverse(self) -> Self {
         -1 * self
     }
     fn square(self) -> Self {
         self * self
     }
-    fn from_bool(v: bool) -> Self {
-        if v { 1 } else { 0 }
-    }
 }
 
+/// A trait for types to implement logical functions that work
+/// for push types.
 pub trait LogicalTrait {
     fn logical_and(self, v: Self) -> Self;
     fn logical_or(self, v: Self) -> Self;
@@ -158,3 +146,46 @@ impl LogicalTrait for bool {
         }
     }
 }
+
+/// A trait for uniform conversions between types.
+pub trait CastingTrait: Sized {
+    fn from_bool(v: bool) -> Option<Self>;
+    fn from_int(v: i128) -> Option<Self>;
+    fn from_float(v: Decimal) -> Option<Self>;
+}
+
+impl CastingTrait for i128 {
+    fn from_bool(v: bool) -> Option<Self> {
+        Some(if v { 1 } else { 0 })
+    }
+    fn from_int(v: i128) -> Option<Self> {
+        Some(v)
+    }
+    fn from_float(v: Decimal) -> Option<Self> {
+        v.to_i128()
+    }
+}
+
+impl CastingTrait for Decimal {
+    fn from_bool(v: bool) -> Option<Self> {
+        Some(if v { dec!(1.0) } else { dec!(0.0) })
+    }
+    fn from_int(v: i128) -> Option<Self> {
+        Decimal::from_i128(v)
+    }
+    fn from_float(v: Decimal) -> Option<Self> {
+        Some(v)
+    }
+}
+
+impl CastingTrait for bool {
+    fn from_bool(v: bool) -> Option<Self> {
+        Some(v)
+    }
+    fn from_int(v: i128) -> Option<Self> {
+        Some(if v != 0 { true } else { false })
+    }
+    fn from_float(v: Decimal) -> Option<Self> {
+        Some(if v != dec!(0.0) { true } else { false })
+    }
+}

src/main.rs

@@ -20,13 +20,17 @@ fn main() {
     // let result = dec!(1.0) / Decimal::QUARTER_PI.tan();
     // let result = dec!(1.0) / Decimal::QUARTER_PI.cos();
     // let result = dec!(1.2).checked_exp();
-    let result = dec!(2).log10();
+    // let result = dec!(2).log10();
+    let result = vec![0, 1, 2];
+    let r_len = result.len();
+    let fin_result = &result[..r_len - 1];
+    println!("{fin_result:?}");
 
-    println!("{result:?}");
+    // println!("{result:?}");
     // println!("{sixth_pi}");
 
     // casting a function call to a usize is a way to
     // test for function equality.
-    let test_func_result = test_func as usize == test_func as usize;
+    // let test_func_result = test_func as usize == test_func as usize;
-    println!("{test_func_result}");
+    // println!("{test_func_result}");
 }