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nand2tetris/projects/10/ExpressionLessSquare/SquareGame.jack.xml

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<class>
<keyword> class </keyword>
<identifier> SquareGame </identifier>
<symbol> { </symbol>
<classVarDec>
<keyword> field </keyword>
<identifier> Square </identifier>
<identifier> square </identifier>
<symbol> ; </symbol>
</classVarDec>
<classVarDec>
<keyword> field </keyword>
<keyword> int </keyword>
<identifier> direction </identifier>
<symbol> ; </symbol>
</classVarDec>
<subroutineDec>
<keyword> constructor </keyword>
<identifier> SquareGame </identifier>
<identifier> new </identifier>
<symbol> ( </symbol>
<parameterList>
</parameterList>
<symbol> ) </symbol>
<subroutineBody>
<symbol> { </symbol>
<statements>
<letStatement>
<keyword> let </keyword>
<identifier> square </identifier>
<symbol> = </symbol>
<expression>
<term>
<identifier> square </identifier>
</term>
</expression>
<symbol> ; </symbol>
</letStatement>
<letStatement>
<keyword> let </keyword>
<identifier> direction </identifier>
<symbol> = </symbol>
<expression>
<term>
<identifier> direction </identifier>
</term>
</expression>
<symbol> ; </symbol>
</letStatement>
<returnStatement>
<keyword> return </keyword>
<expression>
<term>
<identifier> square </identifier>
</term>
</expression>
<symbol> ; </symbol>
</returnStatement>
</statements>
<symbol> } </symbol>
</subroutineBody>
</subroutineDec>
<subroutineDec>
<keyword> method </keyword>
<keyword> void </keyword>
<identifier> dispose </identifier>
<symbol> ( </symbol>
<parameterList>
</parameterList>
<symbol> ) </symbol>
<subroutineBody>
<symbol> { </symbol>
<statements>
<doStatement>
<keyword> do </keyword>
<identifier> square </identifier>
<symbol> . </symbol>
<identifier> dispose </identifier>
<symbol> ( </symbol>
<expressionList>
</expressionList>
<symbol> ) </symbol>
<symbol> ; </symbol>
</doStatement>
<doStatement>
<keyword> do </keyword>
<identifier> Memory </identifier>
<symbol> . </symbol>
<identifier> deAlloc </identifier>
<symbol> ( </symbol>
<expressionList>
<expression>
<term>
<identifier> square </identifier>
</term>
</expression>
</expressionList>
<symbol> ) </symbol>
<symbol> ; </symbol>
</doStatement>
<returnStatement>
<keyword> return </keyword>
<symbol> ; </symbol>
</returnStatement>
</statements>
<symbol> } </symbol>
</subroutineBody>
</subroutineDec>
<subroutineDec>
<keyword> method </keyword>
<keyword> void </keyword>
<identifier> moveSquare </identifier>
<symbol> ( </symbol>
<parameterList>
</parameterList>
<symbol> ) </symbol>
<subroutineBody>
<symbol> { </symbol>
<statements>
<ifStatement>
<keyword> if </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> direction </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<doStatement>
<keyword> do </keyword>
<identifier> square </identifier>
<symbol> . </symbol>
<identifier> moveUp </identifier>
<symbol> ( </symbol>
<expressionList>
</expressionList>
<symbol> ) </symbol>
<symbol> ; </symbol>
</doStatement>
</statements>
<symbol> } </symbol>
</ifStatement>
<ifStatement>
<keyword> if </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> direction </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<doStatement>
<keyword> do </keyword>
<identifier> square </identifier>
<symbol> . </symbol>
<identifier> moveDown </identifier>
<symbol> ( </symbol>
<expressionList>
</expressionList>
<symbol> ) </symbol>
<symbol> ; </symbol>
</doStatement>
</statements>
<symbol> } </symbol>
</ifStatement>
<ifStatement>
<keyword> if </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> direction </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<doStatement>
<keyword> do </keyword>
<identifier> square </identifier>
<symbol> . </symbol>
<identifier> moveLeft </identifier>
<symbol> ( </symbol>
<expressionList>
</expressionList>
<symbol> ) </symbol>
<symbol> ; </symbol>
</doStatement>
</statements>
<symbol> } </symbol>
</ifStatement>
<ifStatement>
<keyword> if </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> direction </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<doStatement>
<keyword> do </keyword>
<identifier> square </identifier>
<symbol> . </symbol>
<identifier> moveRight </identifier>
<symbol> ( </symbol>
<expressionList>
</expressionList>
<symbol> ) </symbol>
<symbol> ; </symbol>
</doStatement>
</statements>
<symbol> } </symbol>
</ifStatement>
<doStatement>
<keyword> do </keyword>
<identifier> Sys </identifier>
<symbol> . </symbol>
<identifier> wait </identifier>
<symbol> ( </symbol>
<expressionList>
<expression>
<term>
<identifier> direction </identifier>
</term>
</expression>
</expressionList>
<symbol> ) </symbol>
<symbol> ; </symbol>
</doStatement>
<returnStatement>
<keyword> return </keyword>
<symbol> ; </symbol>
</returnStatement>
</statements>
<symbol> } </symbol>
</subroutineBody>
</subroutineDec>
<subroutineDec>
<keyword> method </keyword>
<keyword> void </keyword>
<identifier> run </identifier>
<symbol> ( </symbol>
<parameterList>
</parameterList>
<symbol> ) </symbol>
<subroutineBody>
<symbol> { </symbol>
<varDec>
<keyword> var </keyword>
<keyword> char </keyword>
<identifier> key </identifier>
<symbol> ; </symbol>
</varDec>
<varDec>
<keyword> var </keyword>
<keyword> boolean </keyword>
<identifier> exit </identifier>
<symbol> ; </symbol>
</varDec>
<statements>
<letStatement>
<keyword> let </keyword>
<identifier> exit </identifier>
<symbol> = </symbol>
<expression>
<term>
<identifier> key </identifier>
</term>
</expression>
<symbol> ; </symbol>
</letStatement>
<whileStatement>
<keyword> while </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> exit </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<whileStatement>
<keyword> while </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> key </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<letStatement>
<keyword> let </keyword>
<identifier> key </identifier>
<symbol> = </symbol>
<expression>
<term>
<identifier> key </identifier>
</term>
</expression>
<symbol> ; </symbol>
</letStatement>
<doStatement>
<keyword> do </keyword>
<identifier> moveSquare </identifier>
<symbol> ( </symbol>
<expressionList>
</expressionList>
<symbol> ) </symbol>
<symbol> ; </symbol>
</doStatement>
</statements>
<symbol> } </symbol>
</whileStatement>
<ifStatement>
<keyword> if </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> key </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<letStatement>
<keyword> let </keyword>
<identifier> exit </identifier>
<symbol> = </symbol>
<expression>
<term>
<identifier> exit </identifier>
</term>
</expression>
<symbol> ; </symbol>
</letStatement>
</statements>
<symbol> } </symbol>
</ifStatement>
<ifStatement>
<keyword> if </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> key </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<doStatement>
<keyword> do </keyword>
<identifier> square </identifier>
<symbol> . </symbol>
<identifier> decSize </identifier>
<symbol> ( </symbol>
<expressionList>
</expressionList>
<symbol> ) </symbol>
<symbol> ; </symbol>
</doStatement>
</statements>
<symbol> } </symbol>
</ifStatement>
<ifStatement>
<keyword> if </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> key </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<doStatement>
<keyword> do </keyword>
<identifier> square </identifier>
<symbol> . </symbol>
<identifier> incSize </identifier>
<symbol> ( </symbol>
<expressionList>
</expressionList>
<symbol> ) </symbol>
<symbol> ; </symbol>
</doStatement>
</statements>
<symbol> } </symbol>
</ifStatement>
<ifStatement>
<keyword> if </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> key </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<letStatement>
<keyword> let </keyword>
<identifier> direction </identifier>
<symbol> = </symbol>
<expression>
<term>
<identifier> exit </identifier>
</term>
</expression>
<symbol> ; </symbol>
</letStatement>
</statements>
<symbol> } </symbol>
</ifStatement>
<ifStatement>
<keyword> if </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> key </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<letStatement>
<keyword> let </keyword>
<identifier> direction </identifier>
<symbol> = </symbol>
<expression>
<term>
<identifier> key </identifier>
</term>
</expression>
<symbol> ; </symbol>
</letStatement>
</statements>
<symbol> } </symbol>
</ifStatement>
<ifStatement>
<keyword> if </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> key </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<letStatement>
<keyword> let </keyword>
<identifier> direction </identifier>
<symbol> = </symbol>
<expression>
<term>
<identifier> square </identifier>
</term>
</expression>
<symbol> ; </symbol>
</letStatement>
</statements>
<symbol> } </symbol>
</ifStatement>
<ifStatement>
<keyword> if </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> key </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<letStatement>
<keyword> let </keyword>
<identifier> direction </identifier>
<symbol> = </symbol>
<expression>
<term>
<identifier> direction </identifier>
</term>
</expression>
<symbol> ; </symbol>
</letStatement>
</statements>
<symbol> } </symbol>
</ifStatement>
<whileStatement>
<keyword> while </keyword>
<symbol> ( </symbol>
<expression>
<term>
<identifier> key </identifier>
</term>
</expression>
<symbol> ) </symbol>
<symbol> { </symbol>
<statements>
<letStatement>
<keyword> let </keyword>
<identifier> key </identifier>
<symbol> = </symbol>
<expression>
<term>
<identifier> key </identifier>
</term>
</expression>
<symbol> ; </symbol>
</letStatement>
<doStatement>
<keyword> do </keyword>
<identifier> moveSquare </identifier>
<symbol> ( </symbol>
<expressionList>
</expressionList>
<symbol> ) </symbol>
<symbol> ; </symbol>
</doStatement>
</statements>
<symbol> } </symbol>
</whileStatement>
</statements>
<symbol> } </symbol>
</whileStatement>
<returnStatement>
<keyword> return </keyword>
<symbol> ; </symbol>
</returnStatement>
</statements>
<symbol> } </symbol>
</subroutineBody>
</subroutineDec>
<symbol> } </symbol>
</class>
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