package?decaf;

import?java.io.IOException;
import?java.util.ArrayList;
import?java.util.Collections;
import?java.util.Comparator;
import?java.util.List;

import?decaf.tree.Tree;
import?decaf.error.DecafError;
import?decaf.frontend.Lexer;
import?decaf.frontend.Parser;
import?decaf.utils.IndentPrintWriter;

public?final?class?Driver?{

	private?static?Driver?driver;

	private?Option?option;

	private?List?errors;

	private?Lexer?lexer;

	private?Parser?parser;

	public?static?Driver?getDriver（）?{
		return?driver;
	}

	public?void?issueError（DecafError?error）?{
		errors.add（error）;
	}

	public?void?checkPoint（）?{
		if?（errors.size（）?>?0）?{
			Collections.sort（errors?new?Comparator（）?{

				@Override
				public?int?compare（DecafError?o1?DecafError?o2）?{
					return?o1.getLocation（）.compareTo（o2.getLocation（））;
				}

			}）;
			for?（DecafError?error?:?errors）?{
				option.getErr（）.println（error）;
			}
			System.exit（0）;
		}
	}

	public?void?init（）?{
		lexer?=?new?Lexer（option.getInput（））;
		parser?=?new?Parser（）;
		lexer.setParser（parser）;
		parser.setLexer（lexer）;
		errors?=?new?ArrayList（）;
	}

	public?void?compile（）?{

		Tree.TopLevel?tree?=?parser.parseFile（）;
		checkPoint（）;
		if?（option.getLevel（）?==?Option.Level.LEVEL0）?{
			IndentPrintWriter?pw?=?new?IndentPrintWriter（option.getOutput（）?4）;
			tree.printTo（pw）;
			pw.close（）;
			return;
		}
	}

	public?static?void?main（String[]?args）?throws?IOException?{
		driver?=?new?Driver（）;
		driver.option?=?new?Option（args）;
		driver.init（）;
		driver.compile（）;
	}

	public?Option?getOption（）?{
		return?option;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????268748??2010-09-30?16:57??Decaf實驗總述.pdf

?????文件?????335841??2010-09-30?17:02??Decaf語言規范.pdf

?????文件?????564752??2010-09-30?15:43??編譯原理Decaf實驗介紹.pdf

?????文件???????2959??2010-09-30?08:44??framework\decaf_PA1\build.xml

?????文件???????1624??2010-09-24?22:12??framework\decaf_PA1\src\decaf\Driver.java

?????文件????????581??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\BadArgCountError.java

?????文件????????623??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\BadArgTypeError.java

?????文件????????343??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\BadArrElementError.java

?????文件????????360??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\BadInheritanceError.java

?????文件????????436??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\BadLengthArgError.java

?????文件????????334??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\BadLengthError.java

?????文件????????334??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\BadNewArrayLength.java

?????文件????????606??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\BadOverrideError.java

?????文件????????573??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\BadPrintArgError.java

?????文件????????504??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\BadReturnTypeError.java

?????文件????????322??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\BadTestExpr.java

?????文件????????415??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\BadVarTypeError.java

?????文件????????342??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\BreakOutOfLoopError.java

?????文件????????373??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\ClassNotFoundError.java

?????文件????????692??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\DecafError.java

?????文件????????550??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\DeclConflictError.java

?????文件????????491??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\FieldNotAccessError.java

?????文件????????467??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\FieldNotFoundError.java

?????文件????????521??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\IncompatBinOpError.java

?????文件????????437??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\IncompatUnOpError.java

?????文件????????401??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\IntTooLargeError.java

?????文件????????312??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\MsgError.java

?????文件????????406??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\NewlineInStrError.java

?????文件????????403??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\NoMainClassError.java

?????文件????????320??2009-10-24?02:02??framework\decaf_PA1\src\decaf\error\NotArrayError.java

............此處省略77個文件信息