1 files changed, 38 insertions, 2 deletions
diff --git a/src/texec/libtnsl.go b/src/texec/libtnsl.go
index c77bd25..7bf4848 100644
--- a/src/texec/libtnsl.go
+++ b/src/texec/libtnsl.go
@@ -16,8 +16,44 @@
 
 package texec
 
+import "fmt"
+
 /**
-	This file represents the 'tnsl' module and a key few functions.
-	These functions should be all that is needed to use the compiler, and no more.
+	libtnsl module stub.  Contains only parts of the io sub-module.
+	Parts included:
+		- io.print
+		- io.println
+		- io.open_file
+		- io.File API for file objects
 */
 
+// tells if the stub supports a function
+func tnslResolve(callPath TPath) bool {
+	l := len(callPath.Module)
+	if l < 2 || l > 3 || callPath.Module[0] != "tnsl" || callPath.Module[1] != "io" {
+		return false
+	}
+	if l > 2 && callPath.Module[2] != "File" {
+		return false
+	}
+
+	if l > 2 {
+		if callPath.Artifact == "write" || callPath.Artifact == "read" || callPath.Artifact == "close" {
+			return true;
+		}
+	} else {
+		if callPath.Artifact == "print" || callPath.Artifact == "println" || callPath.Artifact == "open_file" {
+			return true;
+		}
+	}
+
+	return false
+}
+
+// evaluate a function call.
+// out is the variable out (if any)
+// in is the variable in (if any)
+// callPath is the function being called.
+func tnslEval(out, in *TVaraiable, callPath TPath) {
+
+}
+\ No newline at end of file