From e7aaa59c64aa33889203949296207082f755df34 Mon Sep 17 00:00:00 2001
From: Victor <melnikukr@mail.ru>
Date: Wed, 15 Apr 2015 23:36:59 +0300
Subject: [PATCH] =?UTF-8?q?=D0=9F=D0=B0=D1=80=D1=81=D0=B8=D0=BD=D0=B3=20?=
 =?UTF-8?q?=D1=87=D0=B8=D1=81=D0=BB=D0=BE=D0=B2=D1=8B=D1=85=20=D0=B7=D0=BD?=
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---
 src/com/annimon/everlastingsummer/Parser.java  |  3 +++
 .../everlastingsummer/ast/ValueExpression.java | 18 ++++++++++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 src/com/annimon/everlastingsummer/ast/ValueExpression.java

diff --git a/src/com/annimon/everlastingsummer/Parser.java b/src/com/annimon/everlastingsummer/Parser.java
index e8a23c4..81a8de4 100644
--- a/src/com/annimon/everlastingsummer/Parser.java
+++ b/src/com/annimon/everlastingsummer/Parser.java
@@ -369,6 +369,9 @@ public final class Parser {
     
     private Expression primary() {
         final Token current = get(0);
+        if (match(current, TokenType.NUMBER)) {
+            return new ValueExpression( Double.parseDouble(current.getText()) );
+        }
         if (match(current, TokenType.WORD)) {
             return new VariableExpression(current.getText());
         }
diff --git a/src/com/annimon/everlastingsummer/ast/ValueExpression.java b/src/com/annimon/everlastingsummer/ast/ValueExpression.java
new file mode 100644
index 0000000..02dd8f4
--- /dev/null
+++ b/src/com/annimon/everlastingsummer/ast/ValueExpression.java
@@ -0,0 +1,18 @@
+package com.annimon.everlastingsummer.ast;
+
+/**
+ * @author aNNiMON
+ */
+public class ValueExpression implements Expression {
+
+    private final double value;
+    
+    public ValueExpression(double value) {
+        this.value = value;
+    }
+
+    @Override
+    public double eval() {
+        return value;
+    }
+}