Fixed table indexing and construction, declarations and some instructions. Builds and passes indexing test.

src/table.rs

@@ -25,16 +25,19 @@ Notes:
 
 type Displacement = u8;
 
-#[cfg(feature="bighash")]
+#[cfg(feature = "bighash")]
 pub type Hashed = u64;
-#[cfg(not(feature="bighash"))]
+#[cfg(not(feature = "bighash"))]
 pub type Hashed = u32;
 
 pub trait Equivalent<T>: Sized {
     fn matches(&self, other: &T) -> bool;
 }
 
-impl<T> Equivalent<T> for T where T: PartialEq {
+impl<T> Equivalent<T> for T
+where
+    T: PartialEq,
+{
     fn matches(&self, other: &T) -> bool {
         self == other
     }
@@ -75,7 +78,13 @@ impl TableEntry for KeyValue {
         }
     }
     fn is_vacant(&self) -> bool {
-        matches!(self,KeyValue { index: Value::Nil, .. })
+        matches!(
+            self,
+            KeyValue {
+                index: Value::Nil,
+                ..
+            }
+        )
     }
 }
 
@@ -87,7 +96,8 @@ struct Entry<E> {
 }
 
 #[derive(Clone, Debug)]
-pub struct Map<E: TableEntry + Clone> { // default representing vacancy!
+pub struct Map<E: TableEntry + Clone> {
+    // default representing vacancy!
     map: Vec<Entry<E>>,
     map_bounds: std::ops::Range<usize>,
     map_count: usize, // number of elements in table
@@ -95,14 +105,19 @@ pub struct Map<E: TableEntry + Clone> { // default representing vacancy!
 
 impl<E: TableEntry + Clone> Map<E> {
     pub(crate) fn string_cache() { // todo: this isn't a clean way, maybe make a generic Map and use a specific one for the cache and the rest of the language
-
     }
     fn exchange_table(&mut self, len: usize) {
-        let old = std::mem::replace(&mut self.map, vec![Entry {
-            entry: E::new_vacant(),
-            home: 0,
-            displacement: 0,
-        }; len]);
+        let old = std::mem::replace(
+            &mut self.map,
+            vec![
+                Entry {
+                    entry: E::new_vacant(),
+                    home: 0,
+                    displacement: 0,
+                };
+                len
+            ],
+        );
         for Entry { entry, .. } in old {
             if entry.is_vacant() {
                 self.set_table(entry)
@@ -202,7 +217,11 @@ impl<E: TableEntry + Clone> Map<E> {
             self.set_table(entry);
         }
     }
-    pub(crate) fn rem_table<K>(&mut self, index: K) where E: Equivalent<K>, K: Hashes {
+    pub(crate) fn rem_table<K>(&mut self, index: K)
+    where
+        E: Equivalent<K>,
+        K: Hashes,
+    {
         if self.map.len() == 0 {
             return;
         }
@@ -256,9 +275,12 @@ impl<E: TableEntry + Clone> Map<E> {
         }
     }
     pub(crate) fn get_table<K>(&mut self, index: K) -> Option<&E>
-    where E: Equivalent<K>, K: Hashes {
+    where
+        E: Equivalent<K>,
+        K: Hashes,
+    {
         if self.map.len() == 0 {
-            return None
+            return None;
         }
         let location = index.hashed() as usize % self.map.len();
         let home = &self.map[location];
@@ -377,7 +399,7 @@ impl Table {
                         } else {
                             self.table.set_table(KeyValue {
                                 index: Value::Integer(index),
-                                value: item
+                                value: item,
                             })
                         }
                     }
@@ -387,25 +409,28 @@ impl Table {
             Value::Nil => Err(RunError(
                 "Attempt to set new index of table with key: nil".to_string(),
             )),
-            index => Ok(self.table.set_table(KeyValue {
-                index,
-                value
-            })),
+            index => Ok(self.table.set_table(KeyValue { index, value })),
         }
     }
     pub fn get(&mut self, index: Value) -> Result<Value, RunError> {
         match index {
             Value::Integer(index) => Ok(self
                 .array
-                .get(index as usize)
+                .get(index as usize - 1)
                 .unwrap_or(&Value::Nil)
                 .clone()),
             Value::Nil => Err(RunError("Attempt to index table with key: nil".to_string())),
-            index => { // todo: move this into the Map
-                Ok(self.table.get_table(index).unwrap_or(&KeyValue {
-                    index: Value::Nil,
-                    value: Value::Nil,
-                }).value.clone())
+            index => {
+                // todo: move this into the Map
+                Ok(self
+                    .table
+                    .get_table(index)
+                    .unwrap_or(&KeyValue {
+                        index: Value::Nil,
+                        value: Value::Nil,
+                    })
+                    .value
+                    .clone())
             }
         }
     }
@@ -419,4 +444,4 @@ impl Table {
             meta: None,
         }
     }
-}
+}

src/tests/script.lua

@@ -1 +1,2 @@
-local table = {}
+local table = { "hello", "friend" }
+print(table[1], table[2])