First try for AST structure. A lot of things to change

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / ast / VarAssignation.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/VarAssignation.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/VarAssignation.java
new file mode 100644 (file)
index 0000000..cd32d4b
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/VarAssignation.java
@@ -0,0 +1,83 @@
+package net.sourceforge.phpdt.internal.compiler.ast;
+
+/**
+ * @author Matthieu Casanova
+ */
+public class VarAssignation extends Expression {
+
+  public static final int EQUAL = 0;
+  public static final int PLUS_EQUAL = 1;
+  public static final int MINUS_EQUAL = 2;
+  public static final int STAR_EQUAL = 3;
+  public static final int SLASH_EQUAL = 4;
+  public static final int AND_EQUAL = 5;
+  public static final int OR_EQUAL = 6;
+  public static final int XOR_EQUAL = 7;
+  public static final int DOT_EQUAL = 8;
+  public static final int REM_EQUAL = 9;
+  public static final int TILDE_EQUAL = 10;
+  public static final int LSHIFT_EQUAL = 11;
+  public static final int RSIGNEDSHIFT_EQUAL = 12;
+
+  public char[] variable;
+  public Expression expression;
+  public int operator;
+
+
+  public VarAssignation(char[] variable,
+                        Expression expression,
+                        int operator,
+                        int sourceStart,
+                        int sourceEnd) {
+    super(sourceStart, sourceEnd);
+    this.variable = variable;
+    this.expression = expression;
+    this.operator = operator;
+  }
+
+  public String operatorToString() {
+    switch (operator) {
+      case EQUAL:
+        return "="; //$NON-NLS-1$
+      case PLUS_EQUAL:
+        return "+=";   //$NON-NLS-1$
+      case MINUS_EQUAL:
+        return "-=";   //$NON-NLS-1$
+      case STAR_EQUAL:
+        return "*="; //$NON-NLS-1$
+      case SLASH_EQUAL:
+        return "/="; //$NON-NLS-1$
+      case AND_EQUAL:
+        return "<="; //$NON-NLS-1$
+      case OR_EQUAL:
+        return "|=";//$NON-NLS-1$
+      case XOR_EQUAL:
+        return "^=";//$NON-NLS-1$
+      case DOT_EQUAL:
+        return ".="; //$NON-NLS-1$
+      case REM_EQUAL:
+        return "%="; //$NON-NLS-1$
+      case TILDE_EQUAL:
+        return " ="; //$NON-NLS-1$
+      case LSHIFT_EQUAL:
+        return "<<="; //$NON-NLS-1$
+      case RSIGNEDSHIFT_EQUAL:
+        return ">>="; //$NON-NLS-1$
+    }
+    return " unknown operator ";
+  }
+
+  /**
+   * Return the expression as String.
+   * @return the expression
+   */
+  public String toStringExpression() {
+    final StringBuffer buff = new StringBuffer();
+    buff.append(variable);
+    buff.append(' ');
+    buff.append(operatorToString());
+    buff.append(' ');
+    buff.append(expression.toStringExpression());
+    return buff.toString();
+  }
+}