114 lines
3.3 KiB
Rust
114 lines
3.3 KiB
Rust
use rust_decimal::Decimal;
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use crate::push::state::{Gene, PushState};
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/// Acts as a NoOp, does nothing with the vals list.
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fn _noop<T>(_: Vec<T>) -> Option<T> {
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None
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}
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make_instruction_clone!(code, code, _noop, Gene, 0);
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make_instruction_clone!(exec, exec, _noop, Gene, 0);
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/// Pops the top value from the stack
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fn _pop<T>(vals: Vec<T>) -> Option<T>
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where
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T: Clone,
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{
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// This is suboptimal, how to re-write?
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// Calls for a complete overhaul later down the line.
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Some(vals[0].clone())
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}
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make_instruction_no_out!(int, _pop, i128, 1);
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make_instruction_no_out!(float, _pop, Decimal, 1);
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make_instruction_no_out!(string, _pop, Vec<char>, 1);
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make_instruction_no_out!(boolean, _pop, bool, 1);
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make_instruction_no_out!(char, _pop, char, 1);
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make_instruction_no_out!(vector_int, _pop, Vec<i128>, 1);
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make_instruction_no_out!(vector_float, _pop, Vec<Decimal>, 1);
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make_instruction_no_out!(vector_string, _pop, Vec<Vec<char>>, 1);
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make_instruction_no_out!(vector_boolean, _pop, Vec<bool>, 1);
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make_instruction_no_out!(vector_char, _pop, Vec<char>, 1);
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make_instruction_no_out!(code, _pop, Gene, 1);
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make_instruction_no_out!(exec, _pop, Gene, 1);
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/// Wraps a type in its respective Gene
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macro_rules! make_code {
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($in_stack:ident, $gene:ident) => {
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paste::item! {
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pub fn [< code_from_ $in_stack >] (state: &mut PushState) {
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if let Some(val) = state.$in_stack.pop() {
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state.code.push(Gene::$gene(val));
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}
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}
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}
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};
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}
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make_code!(int, GeneInt);
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make_code!(float, GeneFloat);
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make_code!(string, GeneString);
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make_code!(boolean, GeneBoolean);
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make_code!(char, GeneChar);
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make_code!(vector_int, GeneVectorInt);
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make_code!(vector_float, GeneVectorFloat);
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make_code!(vector_string, GeneVectorString);
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make_code!(vector_boolean, GeneVectorBoolean);
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make_code!(vector_char, GeneVectorChar);
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pub fn code_from_exec(state: &mut PushState) {
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if let Some(gene) = state.exec.pop() {
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state.code.push(gene);
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::push::state::EMPTY_STATE;
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#[test]
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fn noop_test() {
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let mut test_state = EMPTY_STATE;
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test_state.int = vec![1, 2];
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let test_state_copy = test_state.clone();
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code_noop(&mut test_state);
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assert_eq!(test_state, test_state_copy);
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test_state.int = vec![1, 2];
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let test_state_copy = test_state.clone();
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exec_noop(&mut test_state);
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assert_eq!(test_state, test_state_copy);
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}
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#[test]
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fn pop_test() {
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let mut test_state = EMPTY_STATE;
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test_state.int = vec![1, 2];
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int_pop(&mut test_state);
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assert_eq!(vec![1], test_state.int);
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test_state.int.clear();
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test_state.code = vec![Gene::GeneInt(4)];
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code_pop(&mut test_state);
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let empty_vec: Vec<Gene> = vec![];
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assert_eq!(empty_vec, test_state.code);
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}
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#[test]
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fn from_test() {
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let mut test_state = EMPTY_STATE;
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test_state.int = vec![1, 2];
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code_from_int(&mut test_state);
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assert_eq!(vec![Gene::GeneInt(2)], test_state.code);
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assert_eq!(vec![1], test_state.int);
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test_state.int.clear();
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test_state.code.clear();
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test_state.exec.push(Gene::GeneInt(5));
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code_from_exec(&mut test_state);
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assert_eq!(vec![Gene::GeneInt(5)], test_state.code);
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}
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}
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