org.jikesrvm.adaptive.util

Class CompilerAdviceInfoReader

java.lang.Object

org.jikesrvm.adaptive.util.CompilerAdviceInfoReader

class CompilerAdviceInfoReader
extends Object

Utility to read compiler advice annotations from file in ascii format. Takes a single argument: the name of the file containing the ascii annotations. Each line of the file corresponds to an annotation for one method and has the following format:

 <class> <method> <signature> <advice> <optLevel>
 

Where the types and meanings of the fields is as follows:

• <class> string The name of the class
• <method> string The name of the method
• <signature> string The method signature
• <advice> int The compiler type to be used -- an integer value corresponding to the compiler enumeration in CompiledMethod
• <optLevel> int (Optional) The opt level to use if compiler is optimizing compiler

See Also:

CompilerAdvice, CompilerAdviceAttribute

Constructor Summary

Constructors

Constructor and Description
CompilerAdviceInfoReader()

Method Summary

Modifier and Type	Method and Description
static List<CompilerAdviceAttribute>	readCompilerAdviceFile(String file) Read annotations from a specified file.
private static CompilerAdviceAttribute	readOneAttribute(StringTokenizer st) Actual reading is done here.

Methods inherited from class java.lang.Object

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

Constructor Detail

CompilerAdviceInfoReader

CompilerAdviceInfoReader()

Method Detail

readCompilerAdviceFile

public static List<CompilerAdviceAttribute> readCompilerAdviceFile(String file)

Read annotations from a specified file. Reads all annotations at once and returns a collection of compiler advice attributes.

Parameters:

file - The annotation file to be read

Returns:

A list of compiler advice attributes

readOneAttribute

private static CompilerAdviceAttribute readOneAttribute(StringTokenizer st)

Actual reading is done here. This method reads one attribute from a single line of an input stream. There are six elements per line corresponding to each call site. First three are strings, class name, method name, method signature, followed by one number, compiler advice.

Parameters:

st - an input stream

Returns:

an compileration advice atribute