package net.sourceforge.phpdt.internal.compiler.ast;
+import java.util.List;
+import java.util.ArrayList;
+
/**
- * A Block is
+ * A Block.
* {
* statements
* }.
* @param sourceStart starting offset
* @param sourceEnd ending offset
*/
- public Block(Statement[] statements,int sourceStart, int sourceEnd) {
+ public Block(final Statement[] statements,
+ final int sourceStart,
+ final int sourceEnd) {
super(sourceStart, sourceEnd);
this.statements = statements;
}
+ /**
+ * tell if the block is empty.
+ * @return the block is empty if there are no statements in it
+ */
public boolean isEmptyBlock() {
return statements == null;
}
/**
* Return the block as String.
- * @param tab how many tabs
+ * @param tab how many tabs
* @return the string representation of the block
*/
- public String toString(int tab) {
+ public String toString(final int tab) {
final String s = AstNode.tabString(tab);
final StringBuffer buff = new StringBuffer(s);
buff.append("{\n"); //$NON-NLS-1$
- if (this.statements == null) {
+ if (this.statements != null) {
for (int i = 0; i < statements.length; i++) {
- buff.append(statements[i].toString(tab+1)).append(";\n");//$NON-NLS-1$
- buff.append(statements[i].getClass().getName()).append(";\n");//$NON-NLS-1$
+ buff.append(statements[i].toString(tab + 1)).append(";\n");//$NON-NLS-1$
}
}
buff.append("}\n"); //$NON-NLS-1$
return buff.toString();
}
+
+ /**
+ * Get the variables from outside (parameters, globals ...)
+ * @return the variables from outside
+ */
+ public List getOutsideVariable() {
+ final ArrayList list = new ArrayList();
+ for (int i = 0; i < statements.length; i++) {
+ list.addAll(statements[i].getOutsideVariable());
+ }
+ return list;
+ }
+
+ /**
+ * get the modified variables.
+ * @return the variables from we change value
+ */
+ public List getModifiedVariable() {
+ final ArrayList list = new ArrayList();
+ for (int i = 0; i < statements.length; i++) {
+ list.addAll(statements[i].getModifiedVariable());
+ }
+ return list;
+ }
+
+ /**
+ * Get the variables used.
+ * @return the variables used
+ */
+ public List getUsedVariable() {
+ final ArrayList list = new ArrayList();
+ for (int i = 0; i < statements.length; i++) {
+ list.addAll(statements[i].getUsedVariable());
+ }
+ return list;
+ }
}