org.jruby.compiler.impl

Class StandardASMCompiler

java.lang.Object

org.jruby.compiler.impl.StandardASMCompiler

All Implemented Interfaces:

ScriptCompiler, org.objectweb.asm.Opcodes

public class StandardASMCompiler
extends java.lang.Object
implements ScriptCompiler, org.objectweb.asm.Opcodes

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	StandardASMCompiler.BlockCallbackDescriptor
static class	StandardASMCompiler.InvokerDescriptor

Field Summary

Fields

Modifier and Type	Field and Description
static int	ARGS_INDEX
private java.util.List<StandardASMCompiler.BlockCallbackDescriptor>	blockCallback19Descriptors
private java.util.List<StandardASMCompiler.BlockCallbackDescriptor>	blockCallbackDescriptors
private CacheCompiler	cacheCompiler
private java.lang.String	classname
private org.objectweb.asm.ClassWriter	classWriter
private SkinnyMethodAdapter	clinitMethod
static int	CLOSURE_OFFSET
private int	constants
static int	DYNAMIC_SCOPE_OFFSET
private int	ensureNumber
static int	EXCEPTION_OFFSET
static int	FIRST_TEMP_OFFSET
private SkinnyMethodAdapter	initMethod
private int	innerIndex
private java.util.List<StandardASMCompiler.InvokerDescriptor>	invokerDescriptors
static java.lang.String	IRUBYOBJECT
private java.lang.Integer	javaVersion
private int	methodIndex
static int	PREVIOUS_EXCEPTION_OFFSET
private int	rescueNumber
static java.lang.String	RUBY
static int	SELF_INDEX
private java.lang.String	sourcename
static int	STARTING_DSTR_FACTOR
static int	THIS
static java.lang.String	THREADCONTEXT
static int	THREADCONTEXT_INDEX
(package private) StaticScope	topLevelScope
static int	VARS_ARRAY_OFFSET
static boolean	VERIFY_CLASSFILES

Fields inherited from interface org.objectweb.asm.Opcodes

AALOAD, AASTORE, ACC_ABSTRACT, ACC_ANNOTATION, ACC_BRIDGE, ACC_DEPRECATED, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_MANDATED, ACC_MODULE, ACC_NATIVE, ACC_OPEN, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STATIC_PHASE, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_TRANSITIVE, ACC_VARARGS, ACC_VOLATILE, ACONST_NULL, ALOAD, ANEWARRAY, ARETURN, ARRAYLENGTH, ASM4, ASM5, ASM6, ASM7_EXPERIMENTAL, ASTORE, ATHROW, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DMUL, DNEG, DOUBLE, DREM, DRETURN, DSTORE, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F_APPEND, F_CHOP, F_FULL, F_NEW, F_SAME, F_SAME1, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAT, FMUL, FNEG, FREM, FRETURN, FSTORE, FSUB, GETFIELD, GETSTATIC, GOTO, H_GETFIELD, H_GETSTATIC, H_INVOKEINTERFACE, H_INVOKESPECIAL, H_INVOKESTATIC, H_INVOKEVIRTUAL, H_NEWINVOKESPECIAL, H_PUTFIELD, H_PUTSTATIC, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, IINC, ILOAD, IMUL, INEG, INSTANCEOF, INTEGER, INVOKEDYNAMIC, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISUB, IUSHR, IXOR, JSR, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDIV, LLOAD, LMUL, LNEG, LONG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, NULL, POP, POP2, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, SWAP, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, TOP, UNINITIALIZED_THIS, V_PREVIEW_EXPERIMENTAL, V1_1, V1_2, V1_3, V1_4, V1_5, V1_6, V1_7, V1_8, V10, V11, V9

Constructor Summary

Constructors

Constructor and Description
StandardASMCompiler(java.lang.String classname, java.lang.String sourcename) Creates a new instance of StandardCompilerContext

Method Summary

Modifier and Type	Method and Description
void	addBlockCallback19Descriptor(java.lang.String method, java.lang.String file, int line)
void	addBlockCallbackDescriptor(java.lang.String method, java.lang.String file, int line)
void	addInvokerDescriptor(java.lang.String rubyName, java.lang.String newMethodName, int methodArity, StaticScope scope, CallConfiguration callConfig, java.lang.String filename, int line)
private void	beginClassInit()
private void	beginInit()
static java.lang.String	buildStaticScopeNames(StaticScope scope)
void	dumpClass(java.io.PrintStream out)
private void	endClassInit()
private void	endInit()
void	endScript(boolean generateLoad, boolean generateMain) End compilation for the current script, closing all context and structures used for the compilation.
int	getAndIncrementEnsureNumber()
int	getAndIncrementInnerIndex()
int	getAndIncrementMethodIndex()
int	getAndIncrementRescueNumber()
CacheCompiler	getCacheCompiler()
byte[]	getClassByteArray()
SkinnyMethodAdapter	getClassInitMethod()
java.lang.String	getClassname()
org.objectweb.asm.ClassVisitor	getClassVisitor()
static java.lang.String	getClosure19Signature()
static java.lang.String	getClosureSignature()
int	getEnsureNumber()
SkinnyMethodAdapter	getInitMethod()
int	getInnerIndex()
int	getMethodIndex()
static java.lang.String	getMethodSignature(int args)
java.lang.String	getNewConstant(java.lang.String type, java.lang.String name_prefix)
java.lang.String	getNewConstant(java.lang.String type, java.lang.String name_prefix, java.lang.Object init)
java.lang.String	getNewConstantName()
java.lang.String	getNewField(java.lang.String type, java.lang.String name, java.lang.Object init)
java.lang.String	getNewStaticConstant(java.lang.String type, java.lang.String name_prefix)
int	getRescueNumber()
java.lang.String	getSourcename()
static java.lang.String	getStaticClosure19Signature(java.lang.String classdesc)
static java.lang.String	getStaticClosureSignature(java.lang.String classdesc)
static java.lang.Class[]	getStaticMethodParams(java.lang.Class target, int args)
static java.lang.String	getStaticMethodSignature(java.lang.String classname, int args)
java.lang.Class<?>	loadClass(JRubyClassLoader classLoader)
void	setJavaVersion(java.lang.Integer javaVersion)
BodyCompiler	startFileMethod(CompilerCallback args, StaticScope scope, ASTInspector inspector) Begin compilation for the root of a script named __file__.
BodyCompiler	startMethod(java.lang.String rubyName, java.lang.String javaName, CompilerCallback args, StaticScope scope, ASTInspector inspector, int scopeIndex) Begin compilation for a method that has the specified number of local variables.
void	startScript(StaticScope scope) Begin compilation for a script, preparing all necessary context and code to support this script's compiled representation.
void	writeClass(java.io.File destination)
private void	writeClass(java.lang.String classname, java.io.File destination, org.objectweb.asm.ClassWriter writer)
private void	writeClassFile(java.io.File destination, byte[] bytecode, java.lang.String classname)
void	writeInvokers(java.io.File destination)
void	writeInvokers(java.lang.String destination)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

THREADCONTEXT

public static final java.lang.String THREADCONTEXT

RUBY

public static final java.lang.String RUBY

IRUBYOBJECT

public static final java.lang.String IRUBYOBJECT

VERIFY_CLASSFILES

public static final boolean VERIFY_CLASSFILES

See Also:

Constant Field Values

THIS

public static final int THIS

See Also:

Constant Field Values

THREADCONTEXT_INDEX

public static final int THREADCONTEXT_INDEX

See Also:

Constant Field Values

SELF_INDEX

public static final int SELF_INDEX

See Also:

Constant Field Values

ARGS_INDEX

public static final int ARGS_INDEX

See Also:

Constant Field Values

CLOSURE_OFFSET

public static final int CLOSURE_OFFSET

See Also:

Constant Field Values

DYNAMIC_SCOPE_OFFSET

public static final int DYNAMIC_SCOPE_OFFSET

See Also:

Constant Field Values

VARS_ARRAY_OFFSET

public static final int VARS_ARRAY_OFFSET

See Also:

Constant Field Values

EXCEPTION_OFFSET

public static final int EXCEPTION_OFFSET

See Also:

Constant Field Values

PREVIOUS_EXCEPTION_OFFSET

public static final int PREVIOUS_EXCEPTION_OFFSET

See Also:

Constant Field Values

FIRST_TEMP_OFFSET

public static final int FIRST_TEMP_OFFSET

See Also:

Constant Field Values

STARTING_DSTR_FACTOR

public static final int STARTING_DSTR_FACTOR

See Also:

Constant Field Values

classname

private java.lang.String classname

sourcename

private java.lang.String sourcename

javaVersion

private java.lang.Integer javaVersion

classWriter

private org.objectweb.asm.ClassWriter classWriter

initMethod

private SkinnyMethodAdapter initMethod

clinitMethod

private SkinnyMethodAdapter clinitMethod

methodIndex

private int methodIndex

innerIndex

private int innerIndex

rescueNumber

private int rescueNumber

ensureNumber

private int ensureNumber

topLevelScope

StaticScope topLevelScope

cacheCompiler

private CacheCompiler cacheCompiler

invokerDescriptors

private java.util.List<StandardASMCompiler.InvokerDescriptor> invokerDescriptors

blockCallbackDescriptors

private java.util.List<StandardASMCompiler.BlockCallbackDescriptor> blockCallbackDescriptors

blockCallback19Descriptors

private java.util.List<StandardASMCompiler.BlockCallbackDescriptor> blockCallback19Descriptors

constants

private int constants

Constructor Detail

StandardASMCompiler

public StandardASMCompiler(java.lang.String classname,
                           java.lang.String sourcename)

Creates a new instance of StandardCompilerContext

Method Detail

getStaticMethodSignature

public static java.lang.String getStaticMethodSignature(java.lang.String classname,
                                                        int args)

getStaticMethodParams

public static java.lang.Class[] getStaticMethodParams(java.lang.Class target,
                                                      int args)

getMethodSignature

public static java.lang.String getMethodSignature(int args)

getStaticClosureSignature

public static java.lang.String getStaticClosureSignature(java.lang.String classdesc)

getStaticClosure19Signature

public static java.lang.String getStaticClosure19Signature(java.lang.String classdesc)

getClosureSignature

public static java.lang.String getClosureSignature()

getClosure19Signature

public static java.lang.String getClosure19Signature()

setJavaVersion

public void setJavaVersion(java.lang.Integer javaVersion)

getClassByteArray

public byte[] getClassByteArray()

loadClass

public java.lang.Class<?> loadClass(JRubyClassLoader classLoader)
                             throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException

dumpClass

public void dumpClass(java.io.PrintStream out)

writeClass

public void writeClass(java.io.File destination)
                throws java.io.IOException

Throws:

java.io.IOException

writeInvokers

public void writeInvokers(java.lang.String destination)
                   throws java.io.IOException

Throws:

java.io.IOException

writeInvokers

public void writeInvokers(java.io.File destination)
                   throws java.io.IOException

Throws:

java.io.IOException

writeClass

private void writeClass(java.lang.String classname,
                        java.io.File destination,
                        org.objectweb.asm.ClassWriter writer)
                 throws java.io.IOException

Throws:

java.io.IOException

writeClassFile

private void writeClassFile(java.io.File destination,
                            byte[] bytecode,
                            java.lang.String classname)
                     throws java.io.IOException

Throws:

java.io.IOException

addInvokerDescriptor

public void addInvokerDescriptor(java.lang.String rubyName,
                                 java.lang.String newMethodName,
                                 int methodArity,
                                 StaticScope scope,
                                 CallConfiguration callConfig,
                                 java.lang.String filename,
                                 int line)

addBlockCallbackDescriptor

public void addBlockCallbackDescriptor(java.lang.String method,
                                       java.lang.String file,
                                       int line)

addBlockCallback19Descriptor

public void addBlockCallback19Descriptor(java.lang.String method,
                                         java.lang.String file,
                                         int line)

getClassname

public java.lang.String getClassname()

getSourcename

public java.lang.String getSourcename()

getClassVisitor

public org.objectweb.asm.ClassVisitor getClassVisitor()

startScript

public void startScript(StaticScope scope)

Description copied from interface: ScriptCompiler

Begin compilation for a script, preparing all necessary context and code to support this script's compiled representation.

Specified by:

startScript in interface ScriptCompiler

endScript

public void endScript(boolean generateLoad,
                      boolean generateMain)

Description copied from interface: ScriptCompiler

End compilation for the current script, closing all context and structures used for the compilation.

Specified by:

endScript in interface ScriptCompiler

buildStaticScopeNames

public static java.lang.String buildStaticScopeNames(StaticScope scope)

beginInit

private void beginInit()

endInit

private void endInit()

beginClassInit

private void beginClassInit()

endClassInit

private void endClassInit()

getInitMethod

public SkinnyMethodAdapter getInitMethod()

getClassInitMethod

public SkinnyMethodAdapter getClassInitMethod()

getCacheCompiler

public CacheCompiler getCacheCompiler()

startMethod

public BodyCompiler startMethod(java.lang.String rubyName,
                                java.lang.String javaName,
                                CompilerCallback args,
                                StaticScope scope,
                                ASTInspector inspector,
                                int scopeIndex)

Description copied from interface: ScriptCompiler

Begin compilation for a method that has the specified number of local variables. The returned value is a token that can be used to end the method later.

Specified by:

startMethod in interface ScriptCompiler

Returns:

startFileMethod

public BodyCompiler startFileMethod(CompilerCallback args,
                                    StaticScope scope,
                                    ASTInspector inspector)

Description copied from interface: ScriptCompiler

Begin compilation for the root of a script named __file__.

Specified by:

startFileMethod in interface ScriptCompiler

Parameters:

args - Arguments to the script, as passed via jitted wrappers

scope - The StaticScope for the script

inspector - The ASTInspector for the nodes for the script

Returns:

A new BodyCompiler for the body of the script

getMethodIndex

public int getMethodIndex()

getAndIncrementMethodIndex

public int getAndIncrementMethodIndex()

getInnerIndex

public int getInnerIndex()

getAndIncrementInnerIndex

public int getAndIncrementInnerIndex()

getRescueNumber

public int getRescueNumber()

getAndIncrementRescueNumber

public int getAndIncrementRescueNumber()

getEnsureNumber

public int getEnsureNumber()

getAndIncrementEnsureNumber

public int getAndIncrementEnsureNumber()

getNewConstant

public java.lang.String getNewConstant(java.lang.String type,
                                       java.lang.String name_prefix)

getNewConstantName

public java.lang.String getNewConstantName()

getNewConstant

public java.lang.String getNewConstant(java.lang.String type,
                                       java.lang.String name_prefix,
                                       java.lang.Object init)

getNewField

public java.lang.String getNewField(java.lang.String type,
                                    java.lang.String name,
                                    java.lang.Object init)

getNewStaticConstant

public java.lang.String getNewStaticConstant(java.lang.String type,
                                             java.lang.String name_prefix)