From 28ab9c8ba094d86dbcb9abb853dddd83dca028cc Mon Sep 17 00:00:00 2001
From: nic-gaffney <gaffney_nic@protonmail.com>
Date: Sun, 25 Jun 2023 19:41:03 -0500
Subject: Standard library updated and llvm-sys added to cargo.toml

---
 Cargo.lock               |  1 +
 examples/mergesort.sloth |  4 ++++
 sloth/Cargo.toml         |  1 +
 std/stdlib.c             |  8 ++++++++
 std/stdlib.sloth         |  2 ++
 std/stdmath.c            | 11 +++++++++++
 std/stdmath.sloth        |  2 +-
 7 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 examples/mergesort.sloth
 create mode 100644 std/stdmath.c

diff --git a/Cargo.lock b/Cargo.lock
index 1d886a8..8652bed 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -254,6 +254,7 @@ version = "0.1.0"
 dependencies = [
  "inkwell",
  "itertools",
+ "llvm-sys",
  "rand",
  "thiserror",
 ]
diff --git a/examples/mergesort.sloth b/examples/mergesort.sloth
new file mode 100644
index 0000000..f1e5901
--- /dev/null
+++ b/examples/mergesort.sloth
@@ -0,0 +1,4 @@
+fn merge_sort(list: List<Int>) {
+    print(list);
+    
+}
diff --git a/sloth/Cargo.toml b/sloth/Cargo.toml
index 1146e8e..f58f40e 100644
--- a/sloth/Cargo.toml
+++ b/sloth/Cargo.toml
@@ -6,6 +6,7 @@ version.workspace = true
 edition.workspace = true
 
 [dependencies]
+llvm-sys = "150"
 inkwell = { version = "0.2.0", features = ["llvm15-0"] }
 itertools = "0.10.5"
 rand = "0.8.5"
diff --git a/std/stdlib.c b/std/stdlib.c
index b50c0c5..f8df9e8 100644
--- a/std/stdlib.c
+++ b/std/stdlib.c
@@ -3,3 +3,11 @@
 void wait(long long x) {
     sleep(x);
 }
+
+int len(char *str) {
+    return strlen(str);
+}
+
+char charAt(char *str, int) {
+    return str[int];
+}
diff --git a/std/stdlib.sloth b/std/stdlib.sloth
index 7b6e2f9..36f3879 100644
--- a/std/stdlib.sloth
+++ b/std/stdlib.sloth
@@ -1,5 +1,7 @@
 foreign fn wait(x: Int) Void;
 foreign fn print(str: String) Void;
+foreign fn len(str: String) Int;
+foreign fn charAt(str: String) Char;
 
 fn termpos(x: int, y: int) Void {
     print("\x1b[");
diff --git a/std/stdmath.c b/std/stdmath.c
new file mode 100644
index 0000000..c9a91c3
--- /dev/null
+++ b/std/stdmath.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+int randGen(int min, int max) {
+   time_t t;
+   
+   srand((unsigned) time(&t));
+   
+   return rand() % (max - min + 1) + min;
+}
diff --git a/std/stdmath.sloth b/std/stdmath.sloth
index ebf9a7c..0f967eb 100644
--- a/std/stdmath.sloth
+++ b/std/stdmath.sloth
@@ -1,4 +1,4 @@
-foreign fn rand() Int;
+foreign fn randGen(min: Int, max: Int) Int;
 
 fn abs(x: Int) Int {
     if x < 0 {
-- 
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