From eeb798f76c760c39fed31318d1193ed3e93316aa Mon Sep 17 00:00:00 2001
From: Victor <melnikukr@mail.ru>
Date: Wed, 15 Apr 2015 23:34:58 +0300
Subject: [PATCH] =?UTF-8?q?=D0=9F=D0=B0=D1=80=D1=81=D0=B8=D0=BD=D0=B3=20?=
 =?UTF-8?q?=D0=BF=D1=80=D0=B8=D1=81=D0=B2=D0=B0=D0=B8=D0=B2=D0=B0=D0=BD?=
 =?UTF-8?q?=D0=B8=D0=B9=20=D0=B7=D0=BD=D0=B0=D1=87=D0=B5=D0=BD=D0=B8=D0=B9?=
 =?UTF-8?q?=20=D0=BF=D0=B5=D1=80=D0=B5=D0=BC=D0=B5=D0=BD=D0=BD=D1=8B=D0=BC?=
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---
 src/com/annimon/everlastingsummer/Parser.java | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/com/annimon/everlastingsummer/Parser.java b/src/com/annimon/everlastingsummer/Parser.java
index f9c4c06..e8a23c4 100644
--- a/src/com/annimon/everlastingsummer/Parser.java
+++ b/src/com/annimon/everlastingsummer/Parser.java
@@ -3,6 +3,7 @@ package com.annimon.everlastingsummer;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import com.annimon.everlastingsummer.ast.*;
 import android.text.TextUtils;
 
 /**
@@ -46,6 +47,7 @@ public final class Parser {
         labels = new HashMap<String, Integer>();
         hasEndMenu = false;
         preScan();
+        Variables.init();
     }
     
     public List<Token> getTokens() {
@@ -191,6 +193,14 @@ public final class Parser {
     private boolean command() {
         final Token token = get(0);
         
+        if (match(token, TokenType.WORD)) {
+            if (match(TokenType.EQ)) {
+                // variable = expression
+                Variables.setVariable(token.getText(), expression().eval());
+                return false;
+            }
+        }
+        
         if (match(token, TokenType.RENPY_PAUSE)) {
             consume(TokenType.LPAREN);
             final double pause = consumeDouble();
@@ -353,6 +363,18 @@ public final class Parser {
         return false;
     }
     
+    private Expression expression() {
+        return primary();
+    }
+    
+    private Expression primary() {
+        final Token current = get(0);
+        if (match(current, TokenType.WORD)) {
+            return new VariableExpression(current.getText());
+        }
+        throw new RuntimeException();
+    }
+    
     private void preScan() {
         // Сканируем все метки, для быстрого перехода командой jump.
         // А также определяем параметры для оптимизации.