- Added atree/ATreePrinter.java

1 files changed, 246 insertions, 0 deletions

diff --git a/sources/scalac/atree/ATreePrinter.java b/sources/scalac/atree/ATreePrinter.java
new file mode 100644
index 0000000000..a938bcf014
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+++ b/sources/scalac/atree/ATreePrinter.java
@@ -0,0 +1,246 @@
+/*     ____ ____  ____ ____  ______                                     *\
+**    / __// __ \/ __// __ \/ ____/    SOcos COmpiles Scala             **
+**  __\_ \/ /_/ / /__/ /_/ /\_ \       (c) 2002, LAMP/EPFL              **
+** /_____/\____/\___/\____/____/                                        **
+\*                                                                      */
+
+// $Id$
+
+package scalac.atree;
+
+import ch.epfl.lamp.util.CodePrinter;
+
+import scalac.Unit;
+import scalac.Global;
+import scalac.symtab.Type;
+import scalac.symtab.Symbol;
+import scalac.symtab.SymbolTablePrinter;
+import scalac.util.Debug;
+
+/** This class provides methods to print attributed trees. */
+public class ATreePrinter {
+
+    //########################################################################
+    // Private Fields
+
+    /** The global environment */
+    private final Global global;
+
+    /** The underlying code printer */
+    private final CodePrinter printer;
+
+    /** The underlying symbol table printer */
+    private final SymbolTablePrinter symtab;
+
+    //########################################################################
+    // Public Constructors
+
+    /** Initalizes this instance */
+    public ATreePrinter() {
+        this(new CodePrinter());
+    }
+
+    /** Initalizes this instance */
+    public ATreePrinter(String step) {
+        this(Global.instance, new CodePrinter(step));
+    }
+
+    /** Initalizes this instance */
+    public ATreePrinter(CodePrinter printer) {
+        this(Global.instance, printer);
+    }
+
+    /** Initalizes this instance */
+    public ATreePrinter(Global global, CodePrinter printer) {
+        this.global = global;
+        this.printer = printer;
+        this.symtab = new SymbolTablePrinter(global, printer);
+    }
+
+    //########################################################################
+    // Public Methods - Getting & Setting
+
+    /** Returns the underlying code printer. */
+    public CodePrinter getCodePrinter() {
+        return printer;
+    }
+
+    //########################################################################
+    // Public Methods - Formatting
+
+    /** Increases the indentation level by one. */
+    public ATreePrinter indent() {
+        printer.indent();
+        return this;
+    }
+
+    /** Decreases the indentation level by one. */
+    public ATreePrinter undent() {
+        printer.undent();
+        return this;
+    }
+
+    /** Inserts a new line. */
+    public ATreePrinter line() {
+        printer.line();
+        return this;
+    }
+
+    /** Inserts a white space. */
+    public ATreePrinter space() {
+        printer.space();
+        return this;
+    }
+
+    /** Prints an opening brace followed by a new line. */
+    public ATreePrinter lbrace() {
+        return space().println('{').indent();
+    }
+
+    /** Prints a closing brace followed by a new line. */
+    public ATreePrinter rbrace() {
+        return undent().space().println('}');
+    }
+
+    //########################################################################
+    // Public Methods - Printing simple values
+
+    /** Prints a new line. */
+    public ATreePrinter println() {
+        printer.println();
+        return this;
+    }
+
+    /** Prints the boolean value followed by a new line. */
+    public ATreePrinter println(boolean value) {
+        printer.println(value);
+        return this;
+    }
+
+    /** Prints the byte value followed by a new line. */
+    public ATreePrinter println(byte value) {
+        printer.println(value);
+        return this;
+    }
+
+    /** Prints the short value followed by a new line. */
+    public ATreePrinter println(short value) {
+        printer.println(value);
+        return this;
+    }
+
+    /** Prints the char value followed by a new line. */
+    public ATreePrinter println(char value) {
+        printer.println(value);
+        return this;
+    }
+
+    /** Prints the int value followed by a new line. */
+    public ATreePrinter println(int value) {
+        printer.println(value);
+        return this;
+    }
+
+    /** Prints the long value followed by a new line. */
+    public ATreePrinter println(long value) {
+        printer.println(value);
+        return this;
+    }
+
+    /** Prints the float value followed by a new line. */
+    public ATreePrinter println(float value) {
+        printer.println(value);
+        return this;
+    }
+
+    /** Prints the double value followed by a new line. */
+    public ATreePrinter println(double value) {
+        printer.println(value);
+        return this;
+    }
+
+    /** Prints the string followed by a new line. */
+    public ATreePrinter println(String value) {
+        printer.println(value);
+        return this;
+    }
+
+    /** Prints the boolean value. */
+    public ATreePrinter print(boolean value) {
+        printer.print(value);
+        return this;
+    }
+
+    /** Prints the byte value. */
+    public ATreePrinter print(byte value) {
+        printer.print(value);
+        return this;
+    }
+
+    /** Prints the short value. */
+    public ATreePrinter print(short value) {
+        printer.print(value);
+        return this;
+    }
+
+    /** Prints the char value. */
+    public ATreePrinter print(char value) {
+        printer.print(value);
+        return this;
+    }
+
+    /** Prints the int value. */
+    public ATreePrinter print(int value) {
+        printer.print(value);
+        return this;
+    }
+
+    /** Prints the long value. */
+    public ATreePrinter print(long value) {
+        printer.print(value);
+        return this;
+    }
+
+    /** Prints the float value. */
+    public ATreePrinter print(float value) {
+        printer.print(value);
+        return this;
+    }
+
+    /** Prints the long value. */
+    public ATreePrinter print(double value) {
+        printer.print(value);
+        return this;
+    }
+
+    /** Prints the string. */
+    public ATreePrinter print(String value) {
+        printer.print(value);
+        return this;
+    }
+
+    //########################################################################
+    // Public Methods - Printing types and symbols
+
+    /** Prints the symbol. */
+    public ATreePrinter printSymbol(Symbol symbol) {
+        symtab.printSymbolName(symbol);
+        return this;
+    }
+
+    /** Prints the type. */
+    public ATreePrinter printType(Type type) {
+        symtab.printType(type);
+        return this;
+    }
+
+    //########################################################################
+    // Public Methods - Converting
+
+    /** Returns the string representation of this printer. */
+    public String toString() {
+        return printer.toString();
+    }
+
+    //########################################################################
+}