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MacroPool
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mars.assembler</FONT>
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Class MacroPool</H2>
<PRE>
<A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>mars.assembler.MacroPool</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>MacroPool</B><DT>extends <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL>
</PRE>
<P>
Stores information of macros defined by now. <br>
Will be used in first pass of assembling MIPS source code. When reached
<code>.macro</code> directive, parser calls
<CODE>MacroPool#BeginMacro(String, int)</CODE> and skips source code lines until
reaches <code>.end_macro</code> directive. then calls
<CODE>MacroPool#CommitMacro(int)</CODE> and the macro information stored in a
<A HREF="../../mars/assembler/Macro.html" title="class in mars.assembler"><CODE>Macro</CODE></A> instance will be added to <A HREF="../../mars/assembler/MacroPool.html#macroList"><CODE>macroList</CODE></A>. <br>
Each <A HREF="../../mars/MIPSprogram.html" title="class in mars"><CODE>MIPSprogram</CODE></A> will have one <A HREF="../../mars/assembler/MacroPool.html" title="class in mars.assembler"><CODE>MacroPool</CODE></A><br>
NOTE: Forward referencing macros (macro expansion before its definition in
source code) and Nested macro definition (defining a macro inside other macro
definition) are not supported.
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>M.H.Sekhavat <sekhavat17@gmail.com></DD>
</DL>
<HR>
<P>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../mars/assembler/MacroPool.html#MacroPool(mars.MIPSprogram)">MacroPool</A></B>(<A HREF="../../mars/MIPSprogram.html" title="class in mars">MIPSprogram</A>&nbsp;mipsProgram)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create an empty MacroPool for given program</TD>
</TR>
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&nbsp;
<!-- ========== METHOD SUMMARY =========== -->
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<B>Method Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../mars/assembler/MacroPool.html#beginMacro(mars.assembler.Token)">beginMacro</A></B>(<A HREF="../../mars/assembler/Token.html" title="class in mars.assembler">Token</A>&nbsp;nameToken)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This method will be called by parser when reached <code>.macro</code>
directive.<br>
Instantiates a new <A HREF="../../mars/assembler/Macro.html" title="class in mars.assembler"><CODE>Macro</CODE></A> object and stores it in <A HREF="../../mars/assembler/MacroPool.html#current"><CODE>current</CODE></A>
.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../mars/assembler/MacroPool.html#commitMacro(mars.assembler.Token)">commitMacro</A></B>(<A HREF="../../mars/assembler/Token.html" title="class in mars.assembler">Token</A>&nbsp;endToken)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This method will be called by parser when reached <code>.end_macro</code>
directive.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A>&lt;<A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</A>&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../mars/assembler/MacroPool.html#getCallStack()">getCallStack</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../mars/assembler/Macro.html" title="class in mars.assembler">Macro</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../mars/assembler/MacroPool.html#getCurrent()">getCurrent</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../mars/assembler/MacroPool.html#getExpansionHistory()">getExpansionHistory</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../mars/assembler/Macro.html" title="class in mars.assembler">Macro</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../mars/assembler/MacroPool.html#getMatchingMacro(mars.assembler.TokenList, int)">getMatchingMacro</A></B>(<A HREF="../../mars/assembler/TokenList.html" title="class in mars.assembler">TokenList</A>&nbsp;tokens,
int&nbsp;callerLine)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Will be called by parser when reaches a macro expansion call</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../mars/assembler/MacroPool.html#getNextCounter()">getNextCounter</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<A HREF="../../mars/assembler/MacroPool.html#counter"><CODE>counter</CODE></A> will be set to 0 on construction of this class and will
be incremented by each call.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../mars/assembler/MacroPool.html#matchesAnyMacroName(java.lang.String)">matchesAnyMacroName</A></B>(<A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;value)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../mars/assembler/MacroPool.html#popFromCallStack()">popFromCallStack</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../mars/assembler/MacroPool.html#pushOnCallStack(mars.assembler.Token)">pushOnCallStack</A></B>(<A HREF="../../mars/assembler/Token.html" title="class in mars.assembler">Token</A>&nbsp;token)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../mars/assembler/MacroPool.html#setCurrent(mars.assembler.Macro)">setCurrent</A></B>(<A HREF="../../mars/assembler/Macro.html" title="class in mars.assembler">Macro</A>&nbsp;current)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
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&nbsp;
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<B>Constructor Detail</B></FONT></TH>
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<A NAME="MacroPool(mars.MIPSprogram)"><!-- --></A><H3>
MacroPool</H3>
<PRE>
public <B>MacroPool</B>(<A HREF="../../mars/MIPSprogram.html" title="class in mars">MIPSprogram</A>&nbsp;mipsProgram)</PRE>
<DL>
<DD>Create an empty MacroPool for given program
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>mipsProgram</CODE> - associated MIPS program</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
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<A NAME="beginMacro(mars.assembler.Token)"><!-- --></A><H3>
beginMacro</H3>
<PRE>
public void <B>beginMacro</B>(<A HREF="../../mars/assembler/Token.html" title="class in mars.assembler">Token</A>&nbsp;nameToken)</PRE>
<DL>
<DD>This method will be called by parser when reached <code>.macro</code>
directive.<br>
Instantiates a new <A HREF="../../mars/assembler/Macro.html" title="class in mars.assembler"><CODE>Macro</CODE></A> object and stores it in <A HREF="../../mars/assembler/MacroPool.html#current"><CODE>current</CODE></A>
. <A HREF="../../mars/assembler/MacroPool.html#current"><CODE>current</CODE></A> will be added to <A HREF="../../mars/assembler/MacroPool.html#macroList"><CODE>macroList</CODE></A> by
<CODE>#CommitMacro(int)</CODE>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>nameToken</CODE> - Token containing name of macro after <code>.macro</code> directive</DL>
</DD>
</DL>
<HR>
<A NAME="commitMacro(mars.assembler.Token)"><!-- --></A><H3>
commitMacro</H3>
<PRE>
public void <B>commitMacro</B>(<A HREF="../../mars/assembler/Token.html" title="class in mars.assembler">Token</A>&nbsp;endToken)</PRE>
<DL>
<DD>This method will be called by parser when reached <code>.end_macro</code>
directive. <br>
Adds/Replaces <A HREF="../../mars/assembler/MacroPool.html#current"><CODE>current</CODE></A> macro into the <A HREF="../../mars/assembler/MacroPool.html#macroList"><CODE>macroList</CODE></A>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>endToken</CODE> - Token containing <code>.end_macro</code> directive in source code</DL>
</DD>
</DL>
<HR>
<A NAME="getMatchingMacro(mars.assembler.TokenList, int)"><!-- --></A><H3>
getMatchingMacro</H3>
<PRE>
public <A HREF="../../mars/assembler/Macro.html" title="class in mars.assembler">Macro</A> <B>getMatchingMacro</B>(<A HREF="../../mars/assembler/TokenList.html" title="class in mars.assembler">TokenList</A>&nbsp;tokens,
int&nbsp;callerLine)</PRE>
<DL>
<DD>Will be called by parser when reaches a macro expansion call
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>tokens</CODE> - tokens passed to macro expansion call
<DT><B>Returns:</B><DD><A HREF="../../mars/assembler/Macro.html" title="class in mars.assembler"><CODE>Macro</CODE></A> object matching the name and argument count of
tokens passed</DL>
</DD>
</DL>
<HR>
<A NAME="matchesAnyMacroName(java.lang.String)"><!-- --></A><H3>
matchesAnyMacroName</H3>
<PRE>
public boolean <B>matchesAnyMacroName</B>(<A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;value)</PRE>
<DL>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> -
<DT><B>Returns:</B><DD>true if any macros have been defined with name <code>value</code>
by now, not concerning arguments count.</DL>
</DD>
</DL>
<HR>
<A NAME="getCurrent()"><!-- --></A><H3>
getCurrent</H3>
<PRE>
public <A HREF="../../mars/assembler/Macro.html" title="class in mars.assembler">Macro</A> <B>getCurrent</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setCurrent(mars.assembler.Macro)"><!-- --></A><H3>
setCurrent</H3>
<PRE>
public void <B>setCurrent</B>(<A HREF="../../mars/assembler/Macro.html" title="class in mars.assembler">Macro</A>&nbsp;current)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getNextCounter()"><!-- --></A><H3>
getNextCounter</H3>
<PRE>
public int <B>getNextCounter</B>()</PRE>
<DL>
<DD><A HREF="../../mars/assembler/MacroPool.html#counter"><CODE>counter</CODE></A> will be set to 0 on construction of this class and will
be incremented by each call. parser calls this method once for every
expansions. it will be a unique id for each expansion of macro in a file
<P>
<DD><DL>
<DT><B>Returns:</B><DD>counter value</DL>
</DD>
</DL>
<HR>
<A NAME="getCallStack()"><!-- --></A><H3>
getCallStack</H3>
<PRE>
public <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</A>&lt;<A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</A>&gt; <B>getCallStack</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="pushOnCallStack(mars.assembler.Token)"><!-- --></A><H3>
pushOnCallStack</H3>
<PRE>
public boolean <B>pushOnCallStack</B>(<A HREF="../../mars/assembler/Token.html" title="class in mars.assembler">Token</A>&nbsp;token)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="popFromCallStack()"><!-- --></A><H3>
popFromCallStack</H3>
<PRE>
public void <B>popFromCallStack</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getExpansionHistory()"><!-- --></A><H3>
getExpansionHistory</H3>
<PRE>
public <A HREF="http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getExpansionHistory</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
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