organize things. add readme

naringas · May 7, 2023 · bf4507b · bf4507b
1 parent 89bb18a
commit bf4507b
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diff --git a/README.md b/README.md
@@ -0,0 +1,10 @@
+README
+
+...tumbleweed...
+
+
+runs on python
+
+```sh
+python plox/plox.py
+```
diff --git a/exp.lox b/exp.lox
@@ -1,4 +1,6 @@
 (13 > (5 * 3 + 9));
-123 != 12312 + (2.3 == 123) * 9.12
+123 != 12312 + (2.3 == 123) * 9.12;
 // asf asf
-1+2-3*4/5  //  saywha
+print 1+2-3*4/5  ;//  saywha
+var X = 1 == 2 ? "help" : "we cool, no help";
+print (10 + (true ? 5 : -  5));
diff --git a/expressions.py → plox/expressions.py b/expressions.py → plox/expressions.py
diff --git a/interpreter.py → plox/interpreter.py b/interpreter.py → plox/interpreter.py
@@ -89,6 +89,17 @@ def visitBinary(self, expr):
 				return l == r
 		#unreachable "return None"
 
+	def visitTernary(self, expr):
+		# assert isinstance(expr.comparison, ??? and somehow assert it's boolean
+		assert isinstance(expr.left, Expr)
+		assert isinstance(expr.right, Expr)
+
+		if self.evaluate(expr.comparison):
+			return self.evaluate(expr.left)
+		else:
+			return self.evaluate(expr.right)
+		# this feels a bit silly
+
 
 	def visit(self, expr):
 		print(f"\t!!Guessing what to do with {expr.__class__.__name__}")

diff --git a/parser.py → plox/parser.py b/parser.py → plox/parser.py
diff --git a/plox.py → plox/plox.py b/plox.py → plox/plox.py
diff --git a/scanner.py → plox/scanner.py b/scanner.py → plox/scanner.py
diff --git a/statements.py → plox/statements.py b/statements.py → plox/statements.py
diff --git a/util.py → plox/util.py b/util.py → plox/util.py
diff --git a/src.lox b/src.lox
@@ -4,5 +4,6 @@ var test =
 
 
 "strings";
-123;
+print 123;
 123.1233; // sample, should write a real program.
+print 123+123;