implement print statement

1 files changed, 12 insertions, 0 deletions

diff --git a/src/front/ast.py b/src/front/ast.py
index 77aab95..f272ca2 100644
--- a/src/front/ast.py
+++ b/src/front/ast.py
@@ -149,6 +149,18 @@ class ReturnStatement(Statement):
     def __repr__(self):
         return "<ReturnStatement at line %d>" % self.lineno
 
+class PrintStatement(Statement):
+    def __init__(self, expression, lineno = -1):
+        self.expression = expression
+        self.lineno = lineno
+
+    def generate(self, before, after, last):
+        self.debug("PrintStatement.generate(before = %d, after = %d): %s" % (before, after, repr(self)))
+        self.emit(Op.PRINT, self.expression.reduce(), last)
+
+    def __repr__(self):
+        return "<PrintStatement at line %d>" % self.lineno
+
 class AssignStatement(Statement):
     def __init__(self, ident, expression, lineno = -1):
         self.ident = ident