Big overhaul:

- Clean up environment code using type strings instead of manually
  defining types
- Add Commands module
- Move Shell lang into an example module that uses Commands module
- Fix some bugs with chained library dependencies

1 files changed, 35 insertions, 0 deletions

diff --git a/examples/shell/shell.tm b/examples/shell/shell.tm
new file mode 100644
index 00000000..cf5fcd2e
--- /dev/null
+++ b/examples/shell/shell.tm
@@ -0,0 +1,35 @@
+use commands
+
+lang Shell:
+    convert(text:Text -> Shell):
+        return Shell.from_text("'" ++ text:replace($/'/, `'"'"'`) ++ "'")
+
+    convert(texts:[Text] -> Shell):
+        return Shell.from_text(" ":join([Shell(t).text for t in texts]))
+
+    convert(path:Path -> Shell):
+        return Shell(Text(path:expand_home()))
+
+    convert(paths:[Path] -> Shell):
+        return Shell.from_text(" ":join([Shell(Text(p)).text for p in paths]))
+
+    convert(n:Int -> Shell): return Shell.from_text(Text(n))
+    convert(n:Int64 -> Shell): return Shell.from_text(Text(n))
+    convert(n:Int32 -> Shell): return Shell.from_text(Text(n))
+    convert(n:Int16 -> Shell): return Shell.from_text(Text(n))
+    convert(n:Int8 -> Shell): return Shell.from_text(Text(n))
+    convert(n:Num -> Shell): return Shell.from_text(Text(n))
+    convert(n:Num32 -> Shell): return Shell.from_text(Text(n))
+
+    func command(shell:Shell -> Command):
+        return Command("sh", ["-c", shell.text])
+
+    func run(shell:Shell, input="", input_bytes=[:Byte] -> ProgramResult):
+        return shell:command():run(input=input, input_bytes=input_bytes)
+
+    func get_output(shell:Shell, input="", trim_newline=yes -> Text?):
+        return shell:command():get_output(input=input, trim_newline=trim_newline)
+
+    func get_output_bytes(shell:Shell, input="", input_bytes=[:Byte] -> [Byte]?):
+        return shell:command():get_output_bytes(input=input, input_bytes=input_bytes)
+