Implemented abool

- Tidied up code

Cargo.lock

@@ -8,6 +8,7 @@ version = "0.1.0"
 dependencies = [
  "clap",
  "logos",
+ "rand",
 ]
 
 [[package]]
@@ -42,6 +43,12 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
 [[package]]
 name = "clap"
 version = "2.33.3"
@@ -63,6 +70,17 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "getrandom"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
 [[package]]
 name = "hermit-abi"
 version = "0.1.18"
@@ -102,6 +120,12 @@ dependencies = [
  "utf8-ranges",
 ]
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.26"
@@ -120,6 +144,46 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+ "rand_hc",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7"
+dependencies = [
+ "getrandom",
+]
+
+[[package]]
+name = "rand_hc"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
+dependencies = [
+ "rand_core",
+]
+
 [[package]]
 name = "regex-syntax"
 version = "0.6.23"
@@ -176,6 +240,12 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
 
+[[package]]
+name = "wasi"
+version = "0.10.2+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"

Cargo.toml

@@ -8,4 +8,5 @@ edition = "2018"
 
 [dependencies]
 clap="*"
-logos = "0.12"
+logos = "0.12"
+rand = "*"

src/parser/mod.rs

@@ -3,21 +3,11 @@ mod utils;
 
 use item::Expr;
 
-use crate::variables::Value;
-use crate::{
-    error::{Error, ErrorKind},
-    tokens::Token,
-};
+use crate::error::{Error, ErrorKind};
+use crate::tokens::Token;
 
 use logos::Logos;
 
-#[derive(Debug)]
-pub enum ParseError {
-    UnexpectedToken,
-    LexError,
-    UnexpectedEOF,
-}
-
 /// Parser structure / state machine
 pub struct Parser<'a> {
     lexer: logos::Lexer<'a, Token>,

src/parser/utils.rs

@@ -1,9 +1,8 @@
-use crate::{
-    error::{Error, ErrorKind},
-    tokens::{Abool, Token},
-};
+use crate::error::{Error, ErrorKind};
+use crate::tokens::Token;
+use crate::variables::Abool;
 
-use super::{ParseError, Parser};
+use super::Parser;
 
 pub fn abool2num(abool: Abool) -> i32 {
     match abool {

src/tokens.rs

@@ -103,10 +103,3 @@ pub enum Token {
     #[error]
     Error,
 }
-
-#[derive(Debug, PartialEq)]
-pub enum Abool {
-    Never = -1,
-    Sometimes = 0,
-    Always = 1,
-}

src/variables.rs

@@ -1,11 +1,29 @@
+use rand::Rng;
 use std::collections::HashMap;
 
+#[derive(Debug, Clone, PartialEq)]
+pub enum Abool {
+    Never = -1,
+    Sometimes = 0,
+    Always = 1,
+}
+
+impl Into<bool> for Abool {
+    fn into(self) -> bool {
+        match self {
+            Abool::Never => false,
+            Abool::Always => true,
+            Abool::Sometimes => rand::thread_rng().gen(),
+        }
+    }
+}
+
 #[derive(Debug, Clone)]
 pub enum Value {
     Str(String),
     Int(i32),
     Bool(bool),
-    //TODO(Able): Add abool and other variable types
+    Abool(Abool),
 }
 
 #[derive(Debug)]