Implement function calls

1 files changed, 19 insertions, 0 deletions

diff --git a/expression.go b/expression.go
index 6cc6539..c62918c 100644
--- a/expression.go
+++ b/expression.go
@@ -257,3 +257,22 @@ func (g *groupingExpr) markExprExpr() {}
 func (g *groupingExpr) markPrimaryExpr() {}
 
 func (g *groupingExpr) line() int { return g.ln }
+
+type callExpr struct {
+	funcName string
+	args     *argument
+	ln       int
+}
+
+func (c *callExpr) markExpr() {}
+
+func (c *callExpr) markExprExpr() {}
+
+func (c *callExpr) markPrimaryExpr() {}
+
+func (c *callExpr) line() int { return c.ln }
+
+type argument struct {
+	value exprExpr
+	next  *argument
+}