diff --git a/src/parser/ast.yaml b/src/parser/ast.yaml
index 3a954a8..4ce0f2a 100644
--- a/src/parser/ast.yaml
+++ b/src/parser/ast.yaml
@@ -607,3 +607,112 @@ ClosureParameter:
     - identifier
     - type_use:
         optional: true
+
+# Literals
+Literal:
+  rules:
+    - NumberLiteral
+    - StringLiteral
+    - BooleanLiteral
+NumberLiteral:
+  rules:
+    - DoubleLiteral
+    - LongLiteral
+    - IntLiteral
+IntLiteral:
+  children:
+    - number_base
+LongLiteral:
+  children:
+    - number_base
+DoubleLiteral:
+  children:
+    - double_whole
+    - double_fractional
+DoubleWhole:
+  children:
+    - decimal_base
+DoubleFractional:
+  children:
+    - decimal_base
+NumberBase:
+  rules:
+    - BinaryBase
+    - HexadecimalBase
+    - DecimalBase
+DecimalBase:
+  children:
+    - literal:
+        build: 
+          type: string
+          from: whole_pair
+BinaryBase:
+  children:
+    - binary_digits
+BinaryDigits:
+  children:
+    - literal:
+        build:
+          type: string
+          from: whole_pair
+HexadecimalBase:
+  children:
+    - hexadecimal_digits
+HexadecimalDigits:
+  children:
+    - literal:
+        build: 
+          type: string
+          from: whole_pair
+StringLiteral:
+  rules:
+    - SingleQuoteString
+    - DoubleQuoteString
+    - BacktickString
+SingleQuoteString:
+  children:
+    - string_inner:
+        optional: true
+DoubleQuoteString:
+  children:
+    - inners:
+        rule: DStringInner
+        vec: true
+    - expressions:
+        rule: DStringExpression
+        vec: true
+StringInner:
+  children:
+    - literal:
+        build:
+          type: string
+          from: whole_pair
+DStringInner:
+  children:
+    - literal:
+        build: 
+          type: string
+          from: whole_pair
+DStringExpression:
+  children:
+    - expression
+BacktickString:
+  children:
+    - inners:
+        rule: BacktickInner
+        vec: true
+    - expressions:
+        rule: DStringExpression
+        vec: true
+BacktickInner:
+  children:
+    - literal:
+        build: 
+          type: string
+          from: whole_pair
+BooleanLiteral:
+  children:
+    - literal:
+        build: 
+          type: boolean
+          from: parse_whole_pair
\ No newline at end of file
diff --git a/src/parser/deimos.pest b/src/parser/deimos.pest
index aefb7b6..8601eb6 100644
--- a/src/parser/deimos.pest
+++ b/src/parser/deimos.pest
@@ -823,7 +823,11 @@ IntLiteral = { NumberBase }
 
 LongLiteral = ${ NumberBase ~ "L" }
 
-DoubleLiteral = ${ DecimalBase ~ "." ~ Digit+ }
+DoubleLiteral = ${ DoubleWhole ~ "." ~ DoubleFractional }
+
+DoubleWhole = { DecimalBase }
+
+DoubleFractional = { DecimalBase }
 
 NumberBase = {
       BinaryBase
@@ -831,18 +835,17 @@ NumberBase = {
     | DecimalBase
 }
 
-DecimalBase = @{
-      "0"
-    | DecimalStartDigit ~ Digit*
-}
+DecimalBase = @{ '0'..'9'+ }
 
-BinaryBase = @{ "0b" ~ Digit+ }
+BinaryBase = { "0b" ~ BinaryDigits }
 
-DecimalStartDigit = { '1'..'9' }
+BinaryDigits = @{ BinaryDigit+ }
 
-Digit = @{ '0'..'9'+ }
+BinaryDigit = { "0" | "1" }
 
-HexadecimalBase = @{ "0x" ~ HexadecimalDigit+ }
+HexadecimalBase = { "0x" ~ HexadecimalDigits }
+
+HexadecimalDigits = @{ HexadecimalDigit+ }
 
 HexadecimalDigit = { '0'..'9' | 'a'..'f' }