package net.sourceforge.phpdt.internal.compiler.ast;
+import java.util.List;
+
/**
* It will be the mother of our own ast tree for php just like the ast tree of Eclipse.
* @author Matthieu Casanova
/** Starting and ending position of the node in the sources. */
public int sourceStart, sourceEnd;
+ protected AstNode() {
+ super();
+ }
/**
- * Create a node giving starting and ending offset
+ * Create a node giving starting and ending offset.
* @param sourceStart starting offset
* @param sourceEnd ending offset
*/
- public AstNode(int sourceStart, int sourceEnd) {
+ protected AstNode(final int sourceStart, final int sourceEnd) {
this.sourceStart = sourceStart;
this.sourceEnd = sourceEnd;
}
* @param tab the number of tabulations
* @return a String containing some spaces
*/
- public static String tabString(int tab) {
- StringBuffer s = new StringBuffer();
- for (int i = tab; i > 0; i--)
+ public static String tabString(final int tab) {
+ final StringBuffer s = new StringBuffer(2 * tab);
+ for (int i = tab; i > 0; i--) {
s.append(" "); //$NON-NLS-1$
+ }
return s.toString();
}
* @return a String
*/
public abstract String toString(int tab);
+
+ /**
+ * Get the variables from outside (parameters, globals ...)
+ * @param list the list where we will put variables
+ */
+ public abstract void getOutsideVariable(List list);
+
+ /**
+ * get the modified variables.
+ * @param list the list where we will put variables
+ */
+ public abstract void getModifiedVariable(List list);
+
+ /**
+ * Get the variables used.
+ * @param list the list where we will put variables
+ */
+ public abstract void getUsedVariable(List list);
+
+ /**
+ * This method will analyze the code.
+ * by default it will do nothing
+ */
+ public void analyzeCode() {}
+
+ /**
+ * Check if the array array contains the object o.
+ * @param array an array
+ * @param o an obejct
+ * @return true if the array contained the object o
+ */
+ public final boolean arrayContains(final Object[] array, final Object o) {
+ for (int i = 0; i < array.length; i++) {
+ if (array[i].equals(o)) {
+ return true;
+ }
+ }
+ return false;
+ }
}