com.jasml.compiler
Class SourceCodeParser

java.lang.Object
  com.jasml.compiler.SourceCodeParser

All Implemented Interfaces:

Scannable

public class SourceCodeParser

extends java.lang.Object

implements Scannable

Nested Class Summary

private class	SourceCodeParser.LabeledInstructions
private static class	SourceCodeParser.OpcodeWrapper

Field Summary

(package private) ConstantPoolGenerator	cpl
(package private) JavaClass	javaClass
(package private) boolean	precompile
private Scanner	scanner

Fields inherited from interface com.jasml.compiler.Scannable

AccessFlag, Attribute, Bracket_Left, Bracket_Right, Char, Colon, Comma, Defualt, EOF, Equal, Instruction, JavaName, Number_Double, Number_Double_NaN, Number_Double_Negativ_Infinity, Number_Double_Positive_Infinity, Number_Float, Number_Float_NaN, Number_Float_Negativ_Infinity, Number_Float_Positive_Infinity, Number_Integer, Number_Long, Pointer, SBracket_Left, SBracket_Right, String, WhiteSpace

Constructor Summary

SourceCodeParser(java.io.File file)

SourceCodeParser(java.lang.String content)

Method Summary

private static void	exception(Scanner sc, java.lang.String msg)
private int	getOffset(java.lang.String label, java.util.Hashtable map, boolean countingInstructionLength)
static void	main(java.lang.String[] args)
JavaClass	parse()
private Attribute	parseAttribute()
private void	parseClass()
private void	parseClassAttributes()
private void	parseClassSignature()
private static double	parseDouble(java.lang.String s)
private Attribute_Code.ExceptionTableItem[]	parseExceptionTable(java.lang.String s, java.util.Hashtable map) like : [Exception Table: start=line73 , end=line78 , handler=line78 , catch_type=java.lang.Exception]
private Field	parseField()
private void	parseFields()
private static float	parseFloat(java.lang.String s)
private Attribute_InnerClasses	parseInnerClasses(java.lang.String s) like : [Inner Classes : access = final class , name = 0 , fullname = jce.TestClass$1 , outername = 0]
private static int	parseInteger(java.lang.String s)
private Attribute	parseLineNumbers(java.lang.String s)
private Attribute_LocalVariableTable	parseLocalVariableTable(java.lang.String s, java.util.Hashtable map) like:jce.TestClass this start=line0, end=line0, index=0
private static long	parseLong(java.lang.String s)
private void	parseMajorOrMinor()
private void	parseMaxStackOrLocals(Attribute_Code code)
private Method	parseMethod()
private void	parseMethodAttributes(Method method, java.util.ArrayList attributes, SourceCodeParser.LabeledInstructions li, Attribute_Code code, java.util.ArrayList codeAttributes) this method will parse method attribute: Deprecated, Synthetic and some of the attributes belongs to code: Max Locals, Max Stack,Local variale table, Exception table
private SourceCodeParser.LabeledInstructions	parseMethodInstructions(Method method)
private void	parseMethods()
private void	parseMethodSignature(Method method, java.util.ArrayList attributes) parse method declaration, and the throws clause , if any.
private void	preprocessConstantValues()
private void	updateLabelLinks(java.util.Hashtable labels, java.util.ArrayList toUpdate)

Methods inherited from class java.lang.Object

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

Field Detail

scanner

private Scanner scanner

javaClass

JavaClass javaClass

cpl

ConstantPoolGenerator cpl

precompile

boolean precompile

Constructor Detail

SourceCodeParser

public SourceCodeParser(java.io.File file)
                 throws ParsingException

SourceCodeParser

public SourceCodeParser(java.lang.String content)
                 throws ParsingException

Method Detail

parse

public JavaClass parse()
                throws ParsingException

Throws:

ParsingException

preprocessConstantValues

private void preprocessConstantValues()
                               throws ParsingException

Throws:

ParsingException

parseClass

private void parseClass()
                 throws ParsingException,
                        GrammerException

Throws:

ParsingException

GrammerException

parseClassSignature

private void parseClassSignature()
                          throws ParsingException

Throws:

ParsingException

parseFields

private void parseFields()
                  throws ParsingException,
                         GrammerException

Throws:

ParsingException

GrammerException

parseField

private Field parseField()
                  throws ParsingException,
                         GrammerException

Throws:

ParsingException

GrammerException

parseMethods

private void parseMethods()
                   throws ParsingException,
                          GrammerException

Throws:

ParsingException

GrammerException

parseMethod

private Method parseMethod()
                    throws ParsingException,
                           GrammerException

Throws:

ParsingException

GrammerException

parseMethodAttributes

private void parseMethodAttributes(Method method,
                                   java.util.ArrayList attributes,
                                   SourceCodeParser.LabeledInstructions li,
                                   Attribute_Code code,
                                   java.util.ArrayList codeAttributes)
                            throws GrammerException,
                                   ParsingException

this method will parse method attribute: Deprecated, Synthetic and some of the attributes belongs to code: Max Locals, Max Stack,Local variale table, Exception table

Parameters:

method -

attributes -

Throws:

GrammerException

ParsingException

parseLineNumbers

private Attribute parseLineNumbers(java.lang.String s)

parseMethodInstructions

private SourceCodeParser.LabeledInstructions parseMethodInstructions(Method method)
                                                              throws ParsingException,
                                                                     GrammerException

Throws:

ParsingException

GrammerException

updateLabelLinks

private void updateLabelLinks(java.util.Hashtable labels,
                              java.util.ArrayList toUpdate)
                       throws GrammerException

Throws:

GrammerException

parseMethodSignature

private void parseMethodSignature(Method method,
                                  java.util.ArrayList attributes)
                           throws ParsingException,
                                  GrammerException

parse method declaration, and the throws clause , if any.

Parameters:

method -

Throws:

ParsingException

GrammerException

parseLocalVariableTable

private Attribute_LocalVariableTable parseLocalVariableTable(java.lang.String s,
                                                             java.util.Hashtable map)
                                                      throws ParsingException,
                                                             GrammerException

like:jce.TestClass this start=line0, end=line0, index=0

Parameters:

s -

map -

Throws:

ParsingException

GrammerException

parseExceptionTable

private Attribute_Code.ExceptionTableItem[] parseExceptionTable(java.lang.String s,
                                                                java.util.Hashtable map)
                                                         throws ParsingException,
                                                                GrammerException

like : [Exception Table: start=line73 , end=line78 , handler=line78 , catch_type=java.lang.Exception]

Parameters:

s -

map -

Returns:

Throws:

ParsingException

GrammerException - TODO: error reporting missing labels

getOffset

private int getOffset(java.lang.String label,
                      java.util.Hashtable map,
                      boolean countingInstructionLength)
               throws GrammerException

Parameters:

label -

map -

countingInstructionLength - if false, will return the starting offset of this insctruction. else will return the end offset of this instruction

Returns:

Throws:

GrammerException

parseAttribute

private Attribute parseAttribute()
                          throws GrammerException,
                                 ParsingException

Throws:

GrammerException

ParsingException

parseInnerClasses

private Attribute_InnerClasses parseInnerClasses(java.lang.String s)
                                          throws ParsingException,
                                                 GrammerException

like : [Inner Classes : access = final class , name = 0 , fullname = jce.TestClass$1 , outername = 0]

Parameters:

s -

Returns:

Throws:

ParsingException

GrammerException

parseClassAttributes

private void parseClassAttributes()
                           throws GrammerException,
                                  ParsingException

Throws:

GrammerException

ParsingException

parseMaxStackOrLocals

private void parseMaxStackOrLocals(Attribute_Code code)
                            throws ParsingException

Throws:

ParsingException

parseMajorOrMinor

private void parseMajorOrMinor()
                        throws GrammerException,
                               ParsingException

Throws:

GrammerException

ParsingException

parseInteger

private static int parseInteger(java.lang.String s)

parseLong

private static long parseLong(java.lang.String s)

parseFloat

private static float parseFloat(java.lang.String s)

parseDouble

private static double parseDouble(java.lang.String s)

exception

private static void exception(Scanner sc,
                              java.lang.String msg)
                       throws ParsingException

Throws:

ParsingException

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:

java.lang.Exception