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[O] Reformat code

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Hykilpikonna
2022-11-09 23:49:19 -05:00
parent 13c408bbdd
commit 64d4d49bdb
217 changed files with 53970 additions and 46112 deletions
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src/main/java/mars/assembler/Directives.java
+183 -152
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@@ -1,6 +1,6 @@
package mars.assembler;
package mars.assembler;
import java.util.ArrayList;
import java.util.ArrayList;
/*
Copyright (c) 2003-2012, Pete Sanderson and Kenneth Vollmar
@@ -31,160 +31,191 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* Class representing MIPS assembler directives. If Java had enumerated types, these
* would probably be implemented that way. Each directive is represented by a unique object.
* The directive name is indicative of the directive it represents. For example, DATA
* represents the MIPS .data directive.
*
* Class representing MIPS assembler directives. If Java had enumerated types, these would probably be implemented that
* way. Each directive is represented by a unique object. The directive name is indicative of the directive it
* represents. For example, DATA represents the MIPS .data directive.
*
* @author Pete Sanderson
* @version August 2003
**/
public final class Directives {
private static ArrayList directiveList = new ArrayList();
public static final Directives DATA = new Directives(".data", "Subsequent items stored in Data segment at next available address");
public static final Directives TEXT = new Directives(".text", "Subsequent items (instructions) stored in Text segment at next available address");
public static final Directives WORD = new Directives(".word", "Store the listed value(s) as 32 bit words on word boundary");
public static final Directives ASCII = new Directives(".ascii", "Store the string in the Data segment but do not add null terminator");
public static final Directives ASCIIZ = new Directives(".asciiz", "Store the string in the Data segment and add null terminator");
public static final Directives BYTE = new Directives(".byte", "Store the listed value(s) as 8 bit bytes");
public static final Directives ALIGN = new Directives(".align", "Align next data item on specified byte boundary (0=byte, 1=half, 2=word, 3=double)");
public static final Directives HALF = new Directives(".half", "Store the listed value(s) as 16 bit halfwords on halfword boundary");
public static final Directives SPACE = new Directives(".space", "Reserve the next specified number of bytes in Data segment");
public static final Directives DOUBLE = new Directives(".double", "Store the listed value(s) as double precision floating point");
public static final Directives FLOAT = new Directives(".float", "Store the listed value(s) as single precision floating point");
public static final Directives EXTERN = new Directives(".extern", "Declare the listed label and byte length to be a global data field");
public static final Directives KDATA = new Directives(".kdata", "Subsequent items stored in Kernel Data segment at next available address");
public static final Directives KTEXT = new Directives(".ktext", "Subsequent items (instructions) stored in Kernel Text segment at next available address");
public static final Directives GLOBL = new Directives(".globl", "Declare the listed label(s) as global to enable referencing from other files");
public static final Directives SET = new Directives(".set", "Set assembler variables. Currently ignored but included for SPIM compatability");
/* EQV added by DPS 11 July 2012 */
public static final Directives EQV = new Directives(".eqv", "Substitute second operand for first. First operand is symbol, second operand is expression (like #define)");
/* MACRO and END_MACRO added by Mohammad Sekhavat Oct 2012 */
public static final Directives MACRO = new Directives(".macro", "Begin macro definition. See .end_macro");
public static final Directives END_MACRO = new Directives(".end_macro", "End macro definition. See .macro");
/* INCLUDE added by DPS 11 Jan 2013 */
public static final Directives INCLUDE = new Directives(".include", "Insert the contents of the specified file. Put filename in quotes.");
private String descriptor;
private String description; // help text
private Directives() {
// private ctor assures no objects can be created other than those above.
this.descriptor = "generic";
this.description = "";
directiveList.add(this);
}
private Directives(String name, String description) {
this.descriptor = name;
this.description = description;
directiveList.add(this);
}
/**
* Find Directive object, if any, which matches the given String.
*
* @param str A String containing candidate directive name (e.g. ".ascii")
* @return If match is found, returns matching Directives object, else returns <tt>null</tt>.
**/
public static Directives matchDirective(String str) {
Directives match;
for (int i=0; i<directiveList.size(); i++) {
public final class Directives
{
public static final Directives DATA = new Directives(".data", "Subsequent items stored in Data segment at next available address");
public static final Directives TEXT = new Directives(".text", "Subsequent items (instructions) stored in Text segment at next available address");
public static final Directives WORD = new Directives(".word", "Store the listed value(s) as 32 bit words on word boundary");
public static final Directives ASCII = new Directives(".ascii", "Store the string in the Data segment but do not add null terminator");
public static final Directives ASCIIZ = new Directives(".asciiz", "Store the string in the Data segment and add null terminator");
public static final Directives BYTE = new Directives(".byte", "Store the listed value(s) as 8 bit bytes");
public static final Directives ALIGN = new Directives(".align", "Align next data item on specified byte boundary (0=byte, 1=half, 2=word, 3=double)");
public static final Directives HALF = new Directives(".half", "Store the listed value(s) as 16 bit halfwords on halfword boundary");
public static final Directives SPACE = new Directives(".space", "Reserve the next specified number of bytes in Data segment");
public static final Directives DOUBLE = new Directives(".double", "Store the listed value(s) as double precision floating point");
public static final Directives FLOAT = new Directives(".float", "Store the listed value(s) as single precision floating point");
public static final Directives EXTERN = new Directives(".extern", "Declare the listed label and byte length to be a global data field");
public static final Directives KDATA = new Directives(".kdata", "Subsequent items stored in Kernel Data segment at next available address");
public static final Directives KTEXT = new Directives(".ktext", "Subsequent items (instructions) stored in Kernel Text segment at next available address");
public static final Directives GLOBL = new Directives(".globl", "Declare the listed label(s) as global to enable referencing from other files");
public static final Directives SET = new Directives(".set", "Set assembler variables. Currently ignored but included for SPIM compatability");
/* EQV added by DPS 11 July 2012 */
public static final Directives EQV = new Directives(".eqv", "Substitute second operand for first. First operand is symbol, second operand is expression (like #define)");
/* MACRO and END_MACRO added by Mohammad Sekhavat Oct 2012 */
public static final Directives MACRO = new Directives(".macro", "Begin macro definition. See .end_macro");
public static final Directives END_MACRO = new Directives(".end_macro", "End macro definition. See .macro");
/* INCLUDE added by DPS 11 Jan 2013 */
public static final Directives INCLUDE = new Directives(".include", "Insert the contents of the specified file. Put filename in quotes.");
private static final ArrayList directiveList = new ArrayList();
private final String descriptor;
private final String description; // help text
private Directives()
{
// private ctor assures no objects can be created other than those above.
this.descriptor = "generic";
this.description = "";
directiveList.add(this);
}
private Directives(String name, String description)
{
this.descriptor = name;
this.description = description;
directiveList.add(this);
}
/**
* Find Directive object, if any, which matches the given String.
*
* @param str A String containing candidate directive name (e.g. ".ascii")
* @return If match is found, returns matching Directives object, else returns <tt>null</tt>.
**/
public static Directives matchDirective(String str)
{
Directives match;
for (int i = 0; i < directiveList.size(); i++)
{
match = (Directives) directiveList.get(i);
if (str.equalsIgnoreCase(match.descriptor)) {
return match;
if (str.equalsIgnoreCase(match.descriptor))
{
return match;
}
}
return null;
}
/**
* Find Directive object, if any, which contains the given string as a prefix. For example,
* ".a" will match ".ascii", ".asciiz" and ".align"
*
* @param str A String
* @return If match is found, returns ArrayList of matching Directives objects, else returns <tt>null</tt>.
**/
public static ArrayList prefixMatchDirectives(String str) {
ArrayList matches = null;
for (int i=0; i<directiveList.size(); i++) {
if (((Directives) directiveList.get(i)).descriptor.toLowerCase().startsWith(str.toLowerCase())) {
if (matches == null) {
matches = new ArrayList();
}
matches.add(directiveList.get(i));
}
return null;
}
/**
* Find Directive object, if any, which contains the given string as a prefix. For example, ".a" will match
* ".ascii", ".asciiz" and ".align"
*
* @param str A String
* @return If match is found, returns ArrayList of matching Directives objects, else returns <tt>null</tt>.
**/
public static ArrayList prefixMatchDirectives(String str)
{
ArrayList matches = null;
for (int i = 0; i < directiveList.size(); i++)
{
if (((Directives) directiveList.get(i)).descriptor.toLowerCase().startsWith(str.toLowerCase()))
{
if (matches == null)
{
matches = new ArrayList();
}
matches.add(directiveList.get(i));
}
}
return matches;
}
/**
* Produces String-ified version of Directive object
*
* @return String representing Directive: its MIPS name
**/
public String toString() {
return this.descriptor;
}
/**
* Get name of this Directives object
*
* @return name of this MIPS directive as a String
**/
public String getName() {
return this.descriptor;
}
/**
* Get description of this Directives object
*
* @return description of this MIPS directive (for help purposes)
**/
public String getDescription() {
return this.description;
}
/**
* Produces List of Directive objects
*
* @return MIPS Directive
**/
public static ArrayList getDirectiveList() {
return directiveList;
}
/**
* Lets you know whether given directive is for integer (WORD,HALF,BYTE).
*
* @param direct a MIPS directive
* @return true if given directive is FLOAT or DOUBLE, false otherwise
**/
public static boolean isIntegerDirective(Directives direct) {
return direct == Directives.WORD || direct == Directives.HALF || direct == Directives.BYTE;
}
/**
* Lets you know whether given directive is for floating number (FLOAT,DOUBLE).
*
* @param direct a MIPS directive
* @return true if given directive is FLOAT or DOUBLE, false otherwise.
**/
public static boolean isFloatingDirective(Directives direct) {
return direct == Directives.FLOAT || direct == Directives.DOUBLE;
}
}
}
return matches;
}
/**
* Produces List of Directive objects
*
* @return MIPS Directive
**/
public static ArrayList getDirectiveList()
{
return directiveList;
}
/**
* Lets you know whether given directive is for integer (WORD,HALF,BYTE).
*
* @param direct a MIPS directive
* @return true if given directive is FLOAT or DOUBLE, false otherwise
**/
public static boolean isIntegerDirective(Directives direct)
{
return direct == Directives.WORD || direct == Directives.HALF || direct == Directives.BYTE;
}
/**
* Lets you know whether given directive is for floating number (FLOAT,DOUBLE).
*
* @param direct a MIPS directive
* @return true if given directive is FLOAT or DOUBLE, false otherwise.
**/
public static boolean isFloatingDirective(Directives direct)
{
return direct == Directives.FLOAT || direct == Directives.DOUBLE;
}
/**
* Produces String-ified version of Directive object
*
* @return String representing Directive: its MIPS name
**/
public String toString()
{
return this.descriptor;
}
/**
* Get name of this Directives object
*
* @return name of this MIPS directive as a String
**/
public String getName()
{
return this.descriptor;
}
/**
* Get description of this Directives object
*
* @return description of this MIPS directive (for help purposes)
**/
public String getDescription()
{
return this.description;
}
}