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Diffstat (limited to 'sources/scalac/atree/ATreePrinter.java')
| -rw-r--r-- | sources/scalac/atree/ATreePrinter.java | 557 |
1 files changed, 0 insertions, 557 deletions
diff --git a/sources/scalac/atree/ATreePrinter.java b/sources/scalac/atree/ATreePrinter.java deleted file mode 100644 index fb0a108a99..0000000000 --- a/sources/scalac/atree/ATreePrinter.java +++ /dev/null @@ -1,557 +0,0 @@ -/* ____ ____ ____ ____ ______ *\ -** / __// __ \/ __// __ \/ ____/ SOcos COmpiles Scala ** -** __\_ \/ /_/ / /__/ /_/ /\_ \ (c) 2002, LAMP/EPFL ** -** /_____/\____/\___/\____/____/ ** -\* */ - -// $Id$ - -package scalac.atree; - -import ch.epfl.lamp.util.CodePrinter; - -import scalac.Global; -import scalac.Phase; -import scalac.CompilationUnit; -import scalac.symtab.Type; -import scalac.symtab.Symbol; -import scalac.symtab.SymbolTablePrinter; -import scalac.util.Debug; -import scalac.util.SourceRepresentation; - -/** 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 - Printing trees - - /** Prints the units. */ - public ATreePrinter printUnits(CompilationUnit[] units) { - Phase phase = global.currentPhase; - println("[[attributed trees at "+phase+" (after "+phase.prev+")]]"); - for (int i = 0; i < units.length; i++) printUnit(units[i]); - return this; - } - - /** Prints the unit. */ - public ATreePrinter printUnit(CompilationUnit unit) { - println("// Scala source: " + unit.source); - return printRepository(unit.repository); - } - - /** Prints the repository. */ - public ATreePrinter printRepository(ARepository repository) { - AClass[] classes = repository.classes(); - for (int i = 0; i < classes.length; i++) printClass(classes[i]); - return this; - } - - /** Prints the class. */ - public ATreePrinter printClass(AClass clasz) { - printClassModifiers(clasz); - print(clasz.isInterface() ? "interface" : "class").space(); - printSymbol(clasz.symbol()); - Symbol[] tparams = clasz.tparams(); - if (tparams.length != 0) symtab.printTypeParams(tparams); - Symbol[] vparams = clasz.vparams(); - if (vparams.length != 0) symtab.printValueParams(vparams); - if (clasz.symbol().typeOfThis() != clasz.symbol().thisType()) - space().print(':').printType(clasz.symbol().typeOfThis()); - space().print("extends").space(); - symtab.printTypes(clasz.parents()," with "); - lbrace(); - printRepository(clasz); - AField[] fields = clasz.fields(); - for (int i = 0; i < fields.length; i++) printField(fields[i]); - AMethod[] methods = clasz.methods(); - for (int i = 0; i < methods.length; i++) printMethod(methods[i]); - return rbrace(); - } - - /** Prints the class modifiers. */ - public ATreePrinter printClassModifiers(AClass clasz) { - if (clasz.isDeprecated()) print("deprecated").space(); - if (clasz.isSynthetic()) print("synthetic").space(); - if (clasz.isPublic()) print("public").space(); - if (clasz.isPrivate()) print("private").space(); - if (clasz.isProtected()) print("protected").space(); - if (clasz.isFinal()) print("final").space(); - if (clasz.isAbstract()) print("abstract").space(); - return this; - } - - /** Prints the member modifiers. */ - public ATreePrinter printMemberModifiers(AMember member) { - if (member.isDeprecated()) print("deprecated").space(); - if (member.isSynthetic()) print("synthetic").space(); - if (member.isPublic()) print("public").space(); - if (member.isPrivate()) print("private").space(); - if (member.isProtected()) print("protected").space(); - if (member.isStatic()) print("static").space(); - return this; - } - - /** Prints the member code. */ - public ATreePrinter printMemberCode(AMember member) { - if (member.code() == ACode.Void) return this; - return print('=').space().printCode(member.code()); - } - - /** Prints the field. */ - public ATreePrinter printField(AField field) { - printFieldModifiers(field); - symtab.printSignature(field.symbol()).space(); - return printMemberCode(field).line(); - } - - /** Prints the field modifiers. */ - public ATreePrinter printFieldModifiers(AField field) { - printMemberModifiers(field); - if (field.isFinal()) print("final").space(); - if (field.isVolatile()) print("volatile").space(); - if (field.isTransient()) print("transient").space(); - return this; - } - - /** Prints the method. */ - public ATreePrinter printMethod(AMethod method) { - printMethodModifiers(method); - symtab.printSignature(method.symbol()).space(); - return printMemberCode(method).line(); - } - - /** Prints the method modifiers. */ - public ATreePrinter printMethodModifiers(AMethod method) { - printMemberModifiers(method); - if (method.isFinal()) print("final").space(); - if (method.isSynchronized()) print("synchronized").space(); - if (method.isNative()) print("native").space(); - if (method.isAbstract()) print("abstract").space(); - return this; - } - - /** Prints the code. */ - public ATreePrinter printCode(ACode code) { - switch (code) { - case Void: - return print("<void>"); - case This(Symbol clasz): - return printSymbol(clasz).print('.').print("this"); - case Constant(AConstant constant): - return printConstant(constant); - case Load(ALocation location): - return printLocation(location); - case Store(ALocation location, ACode value): - printLocation(location).space().print('=').space(); - return printCode(value); - case Apply(AFunction function, Type[] targs, ACode[] vargs): - printFunction(function); - if (targs.length > 0){ - print('['); - for (int i = 0; i < targs.length; i++) - (i == 0 ? this : print(',').space()).printType(targs[i]); - print(']'); - } - print('('); - for (int i = 0; i < vargs.length; i++) - (i == 0 ? this : print(',').space()).printCode(vargs[i]); - print(')'); - return this; - case IsAs(ACode value, Type type, boolean cast): - printCode(value).print('.').print(cast ? "as" : "is"); - return print('[').printType(type).print(']'); - case If(ACode test, ACode success, ACode failure): - print("if").space().print('(').printCode(test).print(')').lbrace(); - printCode(success).line(); - rbrace().space().print("else").space().lbrace(); - printCode(failure).line(); - return rbrace(); - case Switch(ACode test, int[][] tags, ACode[] bodies): - print("switch").space().print('(').printCode(test).print(')'); - lbrace(); - for (int i = 0; i < tags.length; i++) { - for (int j = 0; j < tags[i].length; j++) - print("case").space().print(tags[i][j]).print(':').line(); - indent().printCode(bodies[i]).undent().line(); - } - print("case").space().print('_').print(':').line(); - indent().printCode(bodies[tags.length]).undent(); - return rbrace(); - case Synchronized(ACode lock, ACode value): - print("synchronized").space(); - print('(').printCode(lock).print(')'); - return lbrace().printCode(value).rbrace(); - case Block(Symbol[] locals, ACode[] statements, ACode value): - lbrace(); - for (int i = 0; i < locals.length; i++) { - print("var").space().printSymbol(locals[i]); - print(":").space().printType(locals[i].type()); - println(";"); - } - for (int i = 0; i < statements.length; i++) - printCode(statements[i]).println(';'); - return printCode(value).line().rbrace(); - case Label(Symbol label, Symbol[] locals, ACode value): - print("label").space().printSymbol(label).print('('); - for (int i = 0; i < locals.length; i++) - (i == 0 ? this : print(',').space()).printSymbol(locals[i]); - print(')').space().print('=').lbrace(); - return printCode(value).rbrace(); - case Goto(Symbol label, ACode[] vargs): - print("goto").space().printSymbol(label).print('('); - for (int i = 0; i < vargs.length; i++) - (i == 0 ? this : print(',').space()).printCode(vargs[i]); - return print(')'); - case Return(Symbol function, ACode value): - print("return").symtab.printSymbolUniqueId(function).space(); - return printCode(value); - case Throw(ACode value): - return print("throw").space().printCode(value); - case Drop(ACode value, Type type): - print("drop").print('[').printType(type).print(']').space(); - return printCode(value); - default: - throw Debug.abort("unknown case", code); - } - } - - /** Prints the location. */ - public ATreePrinter printLocation(ALocation location) { - switch (location) { - case Module(Symbol module): - return printSymbol(module); - case Field(Void, Symbol field, true): - return printSymbol(field.owner()).print('.').printSymbol(field); - case Field(ACode object, Symbol field, boolean isStatic): - printCode(object).print('.'); - if (isStatic) print("<static>").space(); - return printSymbol(field); - case Local(Symbol local, _): - return printSymbol(local); - case ArrayItem(ACode array, ACode index): - return printCode(array).print('(').printCode(index).print(')'); - default: - throw Debug.abort("unknown case", location); - } - } - - /** Prints the function. */ - public ATreePrinter printFunction(AFunction function) { - switch (function) { - case Method(Void, Symbol method, AInvokeStyle.New): - return print("new").space().printSymbol(method); - case Method(Void, Symbol method, AInvokeStyle.Static(false)): - return printSymbol(method.owner()).print('.').printSymbol(method); - case Method(This(Symbol c), Symbol method, AInvokeStyle.Static(true)): - printSymbol(c).print('.').print("super").print('.'); - return printSymbol(method); - case Method(ACode object, Symbol method, AInvokeStyle style): - printCode(object).print('.'); - if (style != AInvokeStyle.Dynamic) print("<" +style+ ">").space(); - return printSymbol(method); - case Primitive(APrimitive primitive): - return printPrimitive(primitive); - case NewArray(Type element): - return print("new").space().printType(element).print("[]"); - default: - throw Debug.abort("unknown case", function); - } - } - - /** Prints the primitive. */ - public ATreePrinter printPrimitive(APrimitive primitive) { - switch (primitive) { - case Negation(ATypeKind kind): - return printPrimitiveOp("NEG", kind); - case Test(ATestOp op, ATypeKind kind, boolean zero): - return printPrimitiveOp(op.toString() + (zero ? "Z" : ""), kind); - case Comparison(AComparisonOp op, ATypeKind kind): - return printPrimitiveOp(op.toString(), kind); - case Arithmetic(AArithmeticOp op, ATypeKind kind): - return printPrimitiveOp(op.toString(), kind); - case Logical(ALogicalOp op, ATypeKind kind): - return printPrimitiveOp(op.toString(), kind); - case Shift(AShiftOp op, ATypeKind kind): - return printPrimitiveOp(op.toString(), kind); - case Conversion(ATypeKind src, ATypeKind dst): - return printPrimitiveOp("CONV", src, dst); - case ArrayLength(ATypeKind kind): - return printPrimitiveOp("LENGTH", kind); - case StringConcat(ATypeKind lf, ATypeKind rg): - return printPrimitiveOp("CONCAT", lf, rg); - default: - throw Debug.abort("unknown case", primitive); - } - } - - /** Prints the primitive operation of given type kind. */ - public ATreePrinter printPrimitiveOp(String op, ATypeKind kind) { - return printPrimitiveOp(op, kind, null); - } - - /** Prints the primitive operation of given types. */ - public ATreePrinter printPrimitiveOp(String op, ATypeKind k1,ATypeKind k2){ - print('<').print(op).print('>'); - if (k1 != null && global.uniqid) print('#').print(k1.toString()); - if (k2 != null && global.uniqid) print(',').print(k2.toString()); - return this; - } - - /** Prints the constant. */ - public ATreePrinter printConstant(AConstant constant) { - switch (constant) { - case UNIT: - return print("()"); - case BOOLEAN(boolean value): - return print(value); - case BYTE(byte value): - return print(value); - case SHORT(short value): - return print(value); - case CHAR(char value): - return print('\'').print(value).print('\''); - case INT(int value): - return print(value); - case LONG(long value): - return print(value); - case FLOAT(float value): - return print(value); - case DOUBLE(double value): - return print(value); - case STRING(String value): - return print('\"').print(SourceRepresentation.escape(value)).print('\"'); - case SYMBOL_NAME(Symbol value): - return print('\"').print(SourceRepresentation.escape(value.name.toString())).print('\"'); - case NULL: - return print("null"); - case ZERO: - return print("<zero>"); - default: - throw Debug.abort("unknown case", constant); - } - } - - //######################################################################## - // Public Methods - Converting - - /** Returns the string representation of this printer. */ - public String toString() { - return printer.toString(); - } - - //######################################################################## -} |