Package com.webcodepro.applecommander.compiler

Class ApplesoftCompiler

java.lang.Object

com.webcodepro.applecommander.compiler.ApplesoftCompiler

All Implemented Interfaces:

ApplesoftTokens

public class ApplesoftCompiler
extends java.lang.Object
implements ApplesoftTokens

Compile the given Applesoft file. The result will be an assembly program (ultimately assembled). This is not intended to be anything sophisticated.

Date created: Nov 2, 2002 10:04:10 PM

Field Summary

Fields inherited from interface com.webcodepro.applecommander.util.ApplesoftTokens

ABS, AMPERSAND, AND, ASC, AT, ATN, CALL, CHR$, CLEAR, COLOR, CONT, COS, DATA, DEF, DEL, DIM, DIVIDE, DRAW, END, EQUALS, EXP, FLASH, FN, FOR, FRE, GET, GOSUB, GOTO, GR, GREATERTHAN, HCOLOR, HGR, HGR2, HIMEM, HLIN, HOME, HPLOT, HTAB, IF, INnbr, INPUT, INT, INVERSE, LEFT$, LEN, LESSTHAN, LET, LIST, LOAD, LOG, LOMEM, MID$, MINUS, MULTIPLY, NEW, NEXT, NORMAL, NOT, NOTRACE, ON, ONERR, OR, PDL, PEEK, PLOT, PLUS, POKE, POP, POS, POWER, PRINT, PRnbr, READ, RECALL, REM, RESTORE, RESUME, RETURN, RIGHT$, RND, ROT, RUN, SAVE, SCALE, SCRN, SGN, SHLOAD, SIN, SPC, SPEED, SQR, STEP, STOP, STORE, STR$, TAB, TAN, TEXT, THEN, TO, TRACE, USR, VAL, VLIN, VTAB, WAIT, XDRAW

Constructor Summary

Constructors

Constructor	Description
ApplesoftCompiler(FileEntry fileEntry)	Constructor for ApplesoftCompiler.

Method Summary

Modifier and Type	Method	Description
protected void	addAssembly(java.lang.String label, java.lang.String mnemonic, java.lang.String parameter)
protected void	addCopyFac(Variable variable)
protected void	addLoadAddress(Variable variable, char registerHi, char registerLo)
protected void	addLoadByteValue(Variable variable, char register)
protected void	addLoadFac(Variable variable)
protected void	addLoadWordValue(Variable variable, char registerHi, char registerLo)
protected java.lang.StringBuffer	buildUsedAddresses()	Build a list of ROM and Zero-page addresses that are used within this specific program.
protected java.lang.StringBuffer	buildVariableSection()	Build the variable section that is placed at the end of the assembly listing.
protected void	checkSyntax(byte tokenValue, java.lang.String expectedToken)
protected void	checkSyntax(java.lang.String stringValue, java.lang.String expectedToken)
byte[]	compile()	Compile the given FileEntry and return the assembly code.
protected void	evaluateCommand()
void	evaluateEND()
protected Variable	evaluateExpression()
void	evaluateFLASH()
void	evaluateFOR()
void	evaluateGOTO()
void	evaluateGR()
void	evaluateHCOLOR()
void	evaluateHGR()
void	evaluateHGR2()
void	evaluateHOME()
void	evaluateHPLOT()
void	evaluateHTAB()
void	evaluateINVERSE()
void	evaluateNEXT()
void	evaluateNORMAL()
protected Variable	evaluateNumber()
void	evaluatePRINT()
void	evaluateRETURN()
void	evaluateTEXT()
void	evaluateVTAB()
protected java.lang.String	getLineNumberLabel()	Answer with the line number label.
protected java.lang.reflect.Method	getMethod(ApplesoftToken token)
protected boolean	hasMoreTokens()	Answers true if there are more tokens to process.
protected void	initializeKnownAddresses()	Load known memory addresses from AppleMemoryAddresses.properties.
protected boolean	isIntegerNumber(java.lang.String value)	Indicates if this string is a number.
boolean	isIntegerOnlyMath()	Indicates integer math only.
protected ApplesoftToken	nextToken()	Get the next token.
protected ApplesoftToken	peekToken()	Take a peek at the next token.
void	setIntegerOnlyMath(boolean integerOnlyMath)	Sets integer only math.

Methods inherited from class java.lang.Object

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

Constructor Detail

ApplesoftCompiler

public ApplesoftCompiler(FileEntry fileEntry)

Constructor for ApplesoftCompiler.

Method Detail

initializeKnownAddresses

protected void initializeKnownAddresses()

Load known memory addresses from AppleMemoryAddresses.properties.

hasMoreTokens

protected boolean hasMoreTokens()

Answers true if there are more tokens to process.

nextToken

protected ApplesoftToken nextToken()

Get the next token.

peekToken

protected ApplesoftToken peekToken()

Take a peek at the next token.

compile

public byte[] compile()
               throws CompileException

Compile the given FileEntry and return the assembly code.

Throws:

CompileException

buildUsedAddresses

protected java.lang.StringBuffer buildUsedAddresses()

Build a list of ROM and Zero-page addresses that are used within this specific program.

buildVariableSection

protected java.lang.StringBuffer buildVariableSection()

Build the variable section that is placed at the end of the assembly listing.

Warning: This method re-uses the global sourceAssembly variables since the addAssembly method is used to format the code.

evaluateCommand

protected void evaluateCommand()

getMethod

protected java.lang.reflect.Method getMethod(ApplesoftToken token)

addAssembly

protected void addAssembly(java.lang.String label,
                           java.lang.String mnemonic,
                           java.lang.String parameter)

evaluateHOME

public void evaluateHOME()

evaluateTEXT

public void evaluateTEXT()

evaluateRETURN

public void evaluateRETURN()

evaluateEND

public void evaluateEND()

evaluateHGR

public void evaluateHGR()

evaluateHGR2

public void evaluateHGR2()

evaluateGR

public void evaluateGR()

evaluateINVERSE

public void evaluateINVERSE()

evaluateNORMAL

public void evaluateNORMAL()

evaluateFLASH

public void evaluateFLASH()

evaluateExpression

protected Variable evaluateExpression()
                               throws CompileException

Throws:

CompileException

evaluateNumber

protected Variable evaluateNumber()
                           throws CompileException

Throws:

CompileException

getLineNumberLabel

protected java.lang.String getLineNumberLabel()
                                       throws CompileException

Answer with the line number label. Used by GOTO and ON expr GOTO statements.

Throws:

CompileException

addLoadByteValue

protected void addLoadByteValue(Variable variable,
                                char register)
                         throws CompileException

Throws:

CompileException

addLoadWordValue

protected void addLoadWordValue(Variable variable,
                                char registerHi,
                                char registerLo)
                         throws CompileException

Throws:

CompileException

addLoadAddress

protected void addLoadAddress(Variable variable,
                              char registerHi,
                              char registerLo)

addLoadFac

protected void addLoadFac(Variable variable)
                   throws CompileException

Throws:

CompileException

addCopyFac

protected void addCopyFac(Variable variable)
                   throws CompileException

Throws:

CompileException

evaluateHTAB

public void evaluateHTAB()
                  throws CompileException

Throws:

CompileException

evaluateVTAB

public void evaluateVTAB()
                  throws CompileException

Throws:

CompileException

evaluateHCOLOR

public void evaluateHCOLOR()
                    throws CompileException

Throws:

CompileException

evaluatePRINT

public void evaluatePRINT()
                   throws CompileException

Throws:

CompileException

evaluateGOTO

public void evaluateGOTO()
                  throws CompileException

Throws:

CompileException

checkSyntax

protected void checkSyntax(byte tokenValue,
                           java.lang.String expectedToken)
                    throws CompileException

Throws:

CompileException

checkSyntax

protected void checkSyntax(java.lang.String stringValue,
                           java.lang.String expectedToken)
                    throws CompileException

Throws:

CompileException

evaluateFOR

public void evaluateFOR()
                 throws CompileException

Throws:

CompileException

evaluateHPLOT

public void evaluateHPLOT()
                   throws CompileException

Throws:

CompileException

evaluateNEXT

public void evaluateNEXT()
                  throws CompileException

Throws:

CompileException

isIntegerNumber

protected boolean isIntegerNumber(java.lang.String value)

Indicates if this string is a number.

isIntegerOnlyMath

public boolean isIntegerOnlyMath()

Indicates integer math only.

setIntegerOnlyMath

public void setIntegerOnlyMath(boolean integerOnlyMath)

Sets integer only math.