package net.sourceforge.phpdt.internal.compiler.ast;
+import java.util.List;
+
/**
- * A Block is
+ * A Block.
* {
* statements
* }.
* @author Matthieu Casanova
*/
public class Block extends Statement {
+
+ /** An array of statements inside the block. */
public Statement[] statements;
+ /**
+ * Create a block.
+ * @param statements the statements
+ * @param sourceStart starting offset
+ * @param sourceEnd ending offset
+ */
+ 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;
}
- public String toString(int tab) {
- final String s = tabString(tab);
+ /**
+ * Return the block as String.
+ * @param tab how many tabs
+ * @return the string representation of the block
+ */
+ public String toString(final int tab) {
+ final String s = AstNode.tabString(tab);
final StringBuffer buff = new StringBuffer(s);
- if (this.statements == null) {
- buff.append("{\n"); //$NON-NLS-1$
- buff.append(s);
- buff.append("}"); //$NON-NLS-1$
- return s;
- }
buff.append("{\n"); //$NON-NLS-1$
- buff.append(this.toStringStatements(tab));
- buff.append(s);
- buff.append("}"); //$NON-NLS-1$
- return s;
+ 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("}\n"); //$NON-NLS-1$
+ return buff.toString();
}
- public String toStringStatements(int tab) {
- if (this.statements == null)
- return ""; //$NON-NLS-1$
- StringBuffer buffer = new StringBuffer();
+ /**
+ * Get the variables from outside (parameters, globals ...)
+ */
+ public void getOutsideVariable(final List list) {
for (int i = 0; i < statements.length; i++) {
- buffer.append(statements[i].toString(tab + 1));
- if (statements[i] instanceof Block) {
- buffer.append("\n"); //$NON-NLS-1$
- } else {
- buffer.append(";\n"); //$NON-NLS-1$
- }
+ statements[i].getOutsideVariable(list);
+ }
+ }
+
+ /**
+ * get the modified variables.
+ */
+ public void getModifiedVariable(final List list) {
+ for (int i = 0; i < statements.length; i++) {
+ statements[i].getModifiedVariable(list);
+ }
+ }
+
+ /**
+ * Get the variables used.
+ */
+ public void getUsedVariable(final List list) {
+ for (int i = 0; i < statements.length; i++) {
+ statements[i].getUsedVariable(list);
}
- return buffer.toString();
}
}