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<table cellspacing="0" cellpadding="0" border="0" rules="cols">
<tr class="head"><td colspan="5">Commit in <b><tt>metaas/trunk/src/main/java/uk/co/badgersinfoil/metaas</tt></b></td></tr>
<tr><td><tt><a href="#file1">ActionScriptFactory.java</a></tt> </td><td></td><td align="right" id="added">+86</td><td align="right" id="removed">-1</td><td nowrap="nowrap" align="center">576 -> 577</td></tr>
<tr class="alt"><td><tt>dom/<a href="#file2"><span id="added">ASAssignmentExpression.java</span></a></tt> </td><td></td><td align="right" id="added">+46</td><td></td><td nowrap="nowrap" align="right">added 577</td></tr>
<tr><td><tt>impl/<a href="#file3"><span id="added">ASTASAssignmentExpression.java</span></a></tt> </td><td></td><td align="right" id="added">+45</td><td></td><td nowrap="nowrap" align="right">added 577</td></tr>
<tr class="alt"><td><tt> /<a href="#file4">ASTBuilder.java</a></tt> </td><td></td><td align="right" id="added">+25</td><td align="right" id="removed">-1</td><td nowrap="nowrap" align="center">576 -> 577</td></tr>
<tr><td><tt> /<a href="#file5"><span id="added">AssignmentOperatorMap.java</span></a></tt> </td><td></td><td align="right" id="added">+51</td><td></td><td nowrap="nowrap" align="right">added 577</td></tr>
<tr class="alt"><td><tt> /<a href="#file6">ExpressionBuilder.java</a></tt> </td><td></td><td align="right" id="added">+13</td><td></td><td nowrap="nowrap" align="center">576 -> 577</td></tr>
<tr><td><tt> /<a href="#file7">TokenBuilder.java</a></tt> </td><td></td><td align="right" id="added">+49</td><td align="right" id="removed">-1</td><td nowrap="nowrap" align="center">576 -> 577</td></tr>
<tr><td></td><td></td><td align="right" id="added">+315</td><td align="right" id="removed">-3</td><td></td></tr>
</table>
<small id="info">3 added + 4 modified, total 7 files</small><br />
<div class="tasklist"><ul>
<li><a href="#task1">TODO: handle operator precedence issues</a></li>
</ul></div>
<pre class="comment">
Support for assignment-expressions, mostly contributed by Matthew J Tretter
</pre>
<hr /><a name="file1" /><div class="file">
<span class="pathname">metaas/trunk/src/main/java/uk/co/badgersinfoil/metaas</span><br />
<div class="fileheader"><big><b>ActionScriptFactory.java</b></big> <small id="info">576 -> 577</small></div>
<pre class="diff"><small id="info">--- trunk/src/main/java/uk/co/badgersinfoil/metaas/ActionScriptFactory.java 2008-01-07 21:39:14 UTC (rev 576)
+++ trunk/src/main/java/uk/co/badgersinfoil/metaas/ActionScriptFactory.java 2008-01-07 22:57:52 UTC (rev 577)
@@ -9,6 +9,7 @@
</small></pre><pre class="diff" id="context"> import java.util.List;
import org.asdt.core.internal.antlr.AS3Parser;
import uk.co.badgersinfoil.metaas.dom.ASArrayAccessExpression;
</pre><pre class="diff" id="added">+import uk.co.badgersinfoil.metaas.dom.ASAssignmentExpression;
</pre><pre class="diff" id="context"> import uk.co.badgersinfoil.metaas.dom.ASBinaryExpression;
import uk.co.badgersinfoil.metaas.dom.ASBlock;
import uk.co.badgersinfoil.metaas.dom.ASBooleanLiteral;
</pre><pre class="diff"><small id="info">@@ -330,4 +331,88 @@
</small></pre><pre class="diff" id="context"> ASTASArrayAccessExpression result = new ASTASArrayAccessExpression(ast);
return result;
}
</pre><pre class="diff" id="removed">-}
</pre><pre class="diff"><small id="info">\ No newline at end of file
</small></pre><pre class="diff" id="added">+
+ public ASAssignmentExpression newAssignExpression(ASExpression left,
+ ASExpression right)
+ {
+ return ASTBuilder.newAssignExpression(TokenBuilder.newAssign(),
+ left, right);
+ }
+
+ public ASAssignmentExpression newAddAssignExpression(ASExpression left,
+ ASExpression right)
+ {
+ return ASTBuilder.newAssignExpression(TokenBuilder.newAddAssign(),
+ left, right);
+ }
+
+ public ASAssignmentExpression newBitAndAssignExpression(ASExpression left,
+ ASExpression right)
+ {
+ return ASTBuilder.newAssignExpression(TokenBuilder.newBitAndAssign(),
+ left, right);
+ }
+
+ public ASAssignmentExpression newBitOrAssignExpression(ASExpression left,
+ ASExpression right)
+ {
+ return ASTBuilder.newAssignExpression(TokenBuilder.newBitOrAssign(),
+ left, right);
+ }
+
+ public ASAssignmentExpression newBitXorAssignExpression(ASExpression left,
+ ASExpression right)
+ {
+ return ASTBuilder.newAssignExpression(TokenBuilder.newBitXorAssign(),
+ left, right);
+ }
+
+ public ASAssignmentExpression newDivideAssignExpression(ASExpression left,
+ ASExpression right)
+ {
+ return ASTBuilder.newAssignExpression(TokenBuilder.newDivAssign(),
+ left, right);
+ }
+
+ public ASAssignmentExpression newModuloAssignExpression(ASExpression left,
+ ASExpression right)
+ {
+ return ASTBuilder.newAssignExpression(TokenBuilder.newModAssign(),
+ left, right);
+ }
+
+ public ASAssignmentExpression newMultiplyAssignExpression(ASExpression left,
+ ASExpression right)
+ {
+ return ASTBuilder.newAssignExpression(TokenBuilder.newMulAssign(),
+ left, right);
+ }
+
+ public ASAssignmentExpression newShiftLeftAssignExpression(ASExpression left,
+ ASExpression right)
+ {
+ return ASTBuilder.newAssignExpression(TokenBuilder.newSLAssign(),
+ left, right);
+ }
+
+ public ASAssignmentExpression newShiftRightAssignExpression(ASExpression left,
+ ASExpression right)
+ {
+ return ASTBuilder.newAssignExpression(TokenBuilder.newSRAssign(),
+ left, right);
+ }
+
+ public ASAssignmentExpression newShiftRightUnsignedAssignExpression(ASExpression left,
+ ASExpression right)
+ {
+ return ASTBuilder.newAssignExpression(TokenBuilder.newSRUAssign(),
+ left, right);
+ }
+
+ public ASAssignmentExpression newSubtractAssignExpression(ASExpression left,
+ ASExpression right)
+ {
+ return ASTBuilder.newAssignExpression(TokenBuilder.newSubAssign(),
+ left, right);
+ }
+}
</pre></div>
<hr /><a name="file2" /><div class="file">
<span class="pathname" id="added">metaas/trunk/src/main/java/uk/co/badgersinfoil/metaas/dom</span><br />
<div class="fileheader" id="added"><big><b>ASAssignmentExpression.java</b></big> <small id="info">added at 577</small></div>
<pre class="diff"><small id="info">--- trunk/src/main/java/uk/co/badgersinfoil/metaas/dom/ASAssignmentExpression.java (rev 0)
+++ trunk/src/main/java/uk/co/badgersinfoil/metaas/dom/ASAssignmentExpression.java 2008-01-07 22:57:52 UTC (rev 577)
@@ -0,0 +1,46 @@
</small></pre><pre class="diff" id="added">+package uk.co.badgersinfoil.metaas.dom;
+
+public interface ASAssignmentExpression extends ASExpression {
+ public Op getOperator();
+ public void setOperator(Op operator);
+ public ASExpression getLeftSubexpression();
+ public void setLeftSubexpression(ASExpression left);
+ public ASExpression getRightSubexpression();
+ public void setRightSubexpression(ASExpression right);
+
+ public static class Op {
+ private String name;
+ private Op(String name) {
+ this.name = name;
+ }
+
+ /** '+=' */
+ public static final Op ADD_ASSIGN = new Op("ADD_ASSIGN");
+ /** Assignment '=' */
+ public static final Op ASSIGN = new Op("ASSIGN");
+ /** '&=' */
+ public static final Op BITAND_ASSIGN = new Op("BITAND_ASSIGN");
+ /** '|=' */
+ public static final Op BITOR_ASSIGN = new Op("BITOR_ASSIGN");
+ /** '^=' */
+ public static final Op BITXOR_ASSIGN = new Op("BITXOR_ASSIGN");
+ /** '/=' */
+ public static final Op DIV_ASSIGN = new Op("DIV_ASSIGN");
+ /** '%=' */
+ public static final Op MOD_ASSIGN = new Op("MOD_ASSIGN");
+ /** '*=' */
+ public static final Op MUL_ASSIGN = new Op("MUL_ASSIGN");
+ /** Left Shift Assigment '<<=' */
+ public static final Op SL_ASSIGN = new Op("SL_ASSIGN");
+ /** Right Shift Assigment '>>=' */
+ public static final Op SR_ASSIGN = new Op("SR_ASSIGN");
+ /** Unsigned Right Shift Assigment '>>>=' */
+ public static final Op SRU_ASSIGN = new Op("SRU_ASSIGN");
+ /** '-=' */
+ public static final Op SUB_ASSIGN = new Op("SUB_ASSIGN");
+
+ public String toString() {
+ return name;
+ }
+ }
+}
</pre><pre class="diff"><small id="info">\ No newline at end of file
</small></pre></div>
<hr /><a name="file3" /><div class="file">
<span class="pathname" id="added">metaas/trunk/src/main/java/uk/co/badgersinfoil/metaas/impl</span><br />
<div class="fileheader" id="added"><big><b>ASTASAssignmentExpression.java</b></big> <small id="info">added at 577</small></div>
<pre class="diff"><small id="info">--- trunk/src/main/java/uk/co/badgersinfoil/metaas/impl/ASTASAssignmentExpression.java (rev 0)
+++ trunk/src/main/java/uk/co/badgersinfoil/metaas/impl/ASTASAssignmentExpression.java 2008-01-07 22:57:52 UTC (rev 577)
@@ -0,0 +1,45 @@
</small></pre><pre class="diff" id="added">+package uk.co.badgersinfoil.metaas.impl;
+
+import uk.co.badgersinfoil.metaas.dom.ASAssignmentExpression;
+import uk.co.badgersinfoil.metaas.dom.ASExpression;
+import uk.co.badgersinfoil.metaas.impl.antlr.LinkedListTree;
+
+public class ASTASAssignmentExpression extends ASTASExpression
+ implements ASAssignmentExpression
+{
+ public ASTASAssignmentExpression(LinkedListTree ast) {
+ super(ast);
+ }
+
+ public ASExpression getLeftSubexpression() {
+ return ExpressionBuilder.build(ast.getFirstChild());
+ }
+
+ public Op getOperator() {
+ return AssignmentOperatorMap.opFromType(ast.getType());
+ }
+
+ public ASExpression getRightSubexpression() {
+ return ExpressionBuilder.build(ast.getLastChild());
+ }
+
+ public void setLeftSubexpression(ASExpression left) {
+ setSubexpression(0, left);
+ }
+
+ public void setOperator(Op operator) {
+ AssignmentOperatorMap.initialiseFromOp(operator, ast.getToken());
+ }
+
+ public void setRightSubexpression(ASExpression right) {
+ setSubexpression(1, right);
+ }
+
+ private void setSubexpression(int index, ASExpression subexpression) {
+ ASTASExpression sub = (ASTASExpression)subexpression;
+ LinkedListTree subExpr = sub.getAST();
+ ASTBuilder.assertNoParent("expression", subExpr);
<a name="task1" />+ // <span class="task">TODO</span>: handle operator precedence issues
+ ast.setChildWithTokens(index, subExpr);
+ }
+}
</pre><pre class="diff"><small id="info">\ No newline at end of file
</small></pre></div>
<hr /><a name="file4" /><div class="file">
<span class="pathname">metaas/trunk/src/main/java/uk/co/badgersinfoil/metaas/impl</span><br />
<div class="fileheader"><big><b>ASTBuilder.java</b></big> <small id="info">576 -> 577</small></div>
<pre class="diff"><small id="info">--- trunk/src/main/java/uk/co/badgersinfoil/metaas/impl/ASTBuilder.java 2008-01-07 21:39:14 UTC (rev 576)
+++ trunk/src/main/java/uk/co/badgersinfoil/metaas/impl/ASTBuilder.java 2008-01-07 22:57:52 UTC (rev 577)
@@ -9,6 +9,7 @@
</small></pre><pre class="diff" id="context"> import java.util.List;
import org.asdt.core.internal.antlr.AS3Parser;
import uk.co.badgersinfoil.metaas.SyntaxException;
</pre><pre class="diff" id="added">+import uk.co.badgersinfoil.metaas.dom.ASAssignmentExpression;
</pre><pre class="diff" id="context"> import uk.co.badgersinfoil.metaas.dom.ASBinaryExpression;
import uk.co.badgersinfoil.metaas.dom.ASCompilationUnit;
import uk.co.badgersinfoil.metaas.dom.ASExpression;
</pre><pre class="diff"><small id="info">@@ -411,6 +412,29 @@
</small></pre><pre class="diff" id="context"> return new ASTASBinaryExpression(ast);
}
</pre><pre class="diff" id="added">+ public static ASAssignmentExpression newAssignExpression(LinkedListToken op, ASExpression left, ASExpression right) {
+ LinkedListTree ast = ASTUtils.newAST(op);
+ LinkedListTree leftExpr = ((ASTASExpression)left).getAST();
+ assertNoParent("left-hand expression", leftExpr);
+ LinkedListTree rightExpr = ((ASTASExpression)right).getAST();
+ if (precidence(ast) < precidence(leftExpr)) {
+ leftExpr = parenthise(leftExpr);
+ }
+ if (precidence(ast) < precidence(rightExpr)) {
+ rightExpr = parenthise(rightExpr);
+ }
+ // don't use addChildWithTokens(); special handling below,
+ ast.addChild(leftExpr);
+ ast.addChild(rightExpr);
+ leftExpr.getStopToken().setNext(op);
+ rightExpr.getStartToken().setPrev(op);
+ ast.setStartToken(leftExpr.getStartToken());
+ ast.setStopToken(rightExpr.getStopToken());
+ op.beforeInsert(TokenBuilder.newSpace());
+ op.afterInsert(TokenBuilder.newSpace());
+ return new ASTASAssignmentExpression(ast);
+ }
+
</pre><pre class="diff" id="context"> public static void assertNoParent(String astDescription, LinkedListTree ast)
{
if (ast.getParent() != null) {
</pre><pre class="diff"><small id="info">@@ -482,4 +506,4 @@
</small></pre><pre class="diff" id="context"> return 1;
}
}
</pre><pre class="diff" id="removed">-}
</pre><pre class="diff"><small id="info">\ No newline at end of file
</small></pre><pre class="diff" id="added">+}
</pre></div>
<hr /><a name="file5" /><div class="file">
<span class="pathname" id="added">metaas/trunk/src/main/java/uk/co/badgersinfoil/metaas/impl</span><br />
<div class="fileheader" id="added"><big><b>AssignmentOperatorMap.java</b></big> <small id="info">added at 577</small></div>
<pre class="diff"><small id="info">--- trunk/src/main/java/uk/co/badgersinfoil/metaas/impl/AssignmentOperatorMap.java (rev 0)
+++ trunk/src/main/java/uk/co/badgersinfoil/metaas/impl/AssignmentOperatorMap.java 2008-01-07 22:57:52 UTC (rev 577)
@@ -0,0 +1,51 @@
</small></pre><pre class="diff" id="added">+package uk.co.badgersinfoil.metaas.impl;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.antlr.runtime.Token;
+import org.asdt.core.internal.antlr.AS3Parser;
+import uk.co.badgersinfoil.metaas.dom.ASAssignmentExpression;
+import uk.co.badgersinfoil.metaas.impl.antlr.LinkedListToken;
+
+public class AssignmentOperatorMap {
+
+ private static final Map OPERATORS_BY_TYPE = new HashMap();
+ private static final Map TYPES_BY_OPERATOR = new HashMap();
+
+ private static void mapOp(int type, String text, ASAssignmentExpression.Op operator) {
+ OPERATORS_BY_TYPE.put(new Integer(type), operator);
+ TYPES_BY_OPERATOR.put(operator, new LinkedListToken(type, text));
+ }
+
+ static {
+ mapOp(AS3Parser.PLUS_ASSIGN, "+=", ASAssignmentExpression.Op.ADD_ASSIGN);
+ mapOp(AS3Parser.ASSIGN, "=", ASAssignmentExpression.Op.ASSIGN);
+ mapOp(AS3Parser.BAND_ASSIGN, "&=", ASAssignmentExpression.Op.BITAND_ASSIGN);
+ mapOp(AS3Parser.BOR_ASSIGN, "|=", ASAssignmentExpression.Op.BITOR_ASSIGN);
+ mapOp(AS3Parser.BXOR_ASSIGN, "^=", ASAssignmentExpression.Op.BITXOR_ASSIGN);
+ mapOp(AS3Parser.DIV_ASSIGN, "/=", ASAssignmentExpression.Op.DIV_ASSIGN);
+ mapOp(AS3Parser.MOD_ASSIGN, "%=", ASAssignmentExpression.Op.MOD_ASSIGN);
+ mapOp(AS3Parser.STAR_ASSIGN, "*=", ASAssignmentExpression.Op.MUL_ASSIGN);
+ mapOp(AS3Parser.SL_ASSIGN, "<<=", ASAssignmentExpression.Op.SL_ASSIGN);
+ mapOp(AS3Parser.SR_ASSIGN, ">>=", ASAssignmentExpression.Op.SR_ASSIGN);
+ mapOp(AS3Parser.BSR_ASSIGN, ">>=", ASAssignmentExpression.Op.SRU_ASSIGN);
+ mapOp(AS3Parser.MINUS_ASSIGN, "-=", ASAssignmentExpression.Op.SUB_ASSIGN);
+ }
+
+ public static ASAssignmentExpression.Op opFromType(int type) {
+ ASAssignmentExpression.Op op = (ASAssignmentExpression.Op)OPERATORS_BY_TYPE.get(new Integer(type));
+ if (op == null) {
+ throw new IllegalArgumentException("No operator for token-type "+ASTUtils.tokenName(type));
+ }
+ return op;
+ }
+
+ public static void initialiseFromOp(ASAssignmentExpression.Op operator, Token tok) {
+ LinkedListToken type = (LinkedListToken)TYPES_BY_OPERATOR.get(operator);
+ if (type == null) {
+ throw new IllegalArgumentException("No operator for Op "+operator);
+ }
+ tok.setType(type.getType());
+ tok.setText(type.getText());
+ }
+}
</pre><pre class="diff"><small id="info">\ No newline at end of file
</small></pre></div>
<hr /><a name="file6" /><div class="file">
<span class="pathname">metaas/trunk/src/main/java/uk/co/badgersinfoil/metaas/impl</span><br />
<div class="fileheader"><big><b>ExpressionBuilder.java</b></big> <small id="info">576 -> 577</small></div>
<pre class="diff"><small id="info">--- trunk/src/main/java/uk/co/badgersinfoil/metaas/impl/ExpressionBuilder.java 2008-01-07 21:39:14 UTC (rev 576)
+++ trunk/src/main/java/uk/co/badgersinfoil/metaas/impl/ExpressionBuilder.java 2008-01-07 22:57:52 UTC (rev 577)
@@ -18,6 +18,19 @@
</small></pre><pre class="diff" id="context"> case AS3Parser.TRUE:
case AS3Parser.FALSE:
return new ASTASBooleanLiteral(ast);
</pre><pre class="diff" id="added">+ case AS3Parser.PLUS_ASSIGN:
+ case AS3Parser.ASSIGN:
+ case AS3Parser.BAND_ASSIGN:
+ case AS3Parser.BOR_ASSIGN:
+ case AS3Parser.BXOR_ASSIGN:
+ case AS3Parser.DIV_ASSIGN:
+ case AS3Parser.MOD_ASSIGN:
+ case AS3Parser.STAR_ASSIGN:
+ case AS3Parser.SL_ASSIGN:
+ case AS3Parser.SR_ASSIGN:
+ case AS3Parser.BSR_ASSIGN:
+ case AS3Parser.MINUS_ASSIGN:
+ return new ASTASAssignmentExpression(ast);
</pre><pre class="diff" id="context"> case AS3Parser.PLUS:
case AS3Parser.LAND:
case AS3Parser.BAND:
</pre></div>
<hr /><a name="file7" /><div class="file">
<span class="pathname">metaas/trunk/src/main/java/uk/co/badgersinfoil/metaas/impl</span><br />
<div class="fileheader"><big><b>TokenBuilder.java</b></big> <small id="info">576 -> 577</small></div>
<pre class="diff"><small id="info">--- trunk/src/main/java/uk/co/badgersinfoil/metaas/impl/TokenBuilder.java 2008-01-07 21:39:14 UTC (rev 576)
+++ trunk/src/main/java/uk/co/badgersinfoil/metaas/impl/TokenBuilder.java 2008-01-07 22:57:52 UTC (rev 577)
@@ -205,4 +205,52 @@
</small></pre><pre class="diff" id="context"> public static LinkedListToken newRBrack() {
return newToken(AS3Parser.RBRACK, "]");
}
</pre><pre class="diff" id="removed">-}
</pre><pre class="diff"><small id="info">\ No newline at end of file
</small></pre><pre class="diff" id="added">+
+ public static LinkedListToken newAssign() {
+ return newToken(AS3Parser.ASSIGN, "=");
+ }
+
+ public static LinkedListToken newAddAssign() {
+ return newToken(AS3Parser.PLUS_ASSIGN, "+=");
+ }
+
+ public static LinkedListToken newBitAndAssign() {
+ return newToken(AS3Parser.BAND_ASSIGN, "&=");
+ }
+
+ public static LinkedListToken newBitOrAssign() {
+ return newToken(AS3Parser.BOR_ASSIGN, "|=");
+ }
+
+ public static LinkedListToken newBitXorAssign() {
+ return newToken(AS3Parser.BXOR_ASSIGN, "^=");
+ }
+
+ public static LinkedListToken newDivAssign() {
+ return newToken(AS3Parser.DIV_ASSIGN, "/=");
+ }
+
+ public static LinkedListToken newModAssign() {
+ return newToken(AS3Parser.MOD_ASSIGN, "%=");
+ }
+
+ public static LinkedListToken newMulAssign() {
+ return newToken(AS3Parser.STAR_ASSIGN, "*=");
+ }
+
+ public static LinkedListToken newSLAssign() {
+ return newToken(AS3Parser.SL_ASSIGN, "<<=");
+ }
+
+ public static LinkedListToken newSRAssign() {
+ return newToken(AS3Parser.SR_ASSIGN, ">>=");
+ }
+
+ public static LinkedListToken newSRUAssign() {
+ return newToken(AS3Parser.BSR_ASSIGN, ">>>=");
+ }
+
+ public static LinkedListToken newSubAssign() {
+ return newToken(AS3Parser.MINUS_ASSIGN, "-=");
+ }
+}
</pre></div>
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