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[O] Reformat code

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This commit is contained in:
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/mips/instructions/syscalls/SyscallReadString.java
+56 -48
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@@ -1,7 +1,11 @@
package mars.mips.instructions.syscalls;
import mars.util.*;
import mars.mips.hardware.*;
import mars.*;
package mars.mips.instructions.syscalls;
import mars.Globals;
import mars.ProcessingException;
import mars.ProgramStatement;
import mars.mips.hardware.AddressErrorException;
import mars.mips.hardware.RegisterFile;
import mars.util.SystemIO;
/*
Copyright (c) 2003-2006, Pete Sanderson and Kenneth Vollmar
@@ -32,56 +36,60 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* Service to read console input string into buffer starting at address in $a0.
/**
* Service to read console input string into buffer starting at address in $a0.
*/
public class SyscallReadString extends AbstractSyscall {
/**
* Build an instance of the Read String syscall. Default service number
* is 8 and name is "ReadString".
*/
public SyscallReadString() {
super(8, "ReadString");
}
/**
* Performs syscall function to read console input string into buffer starting at address in $a0.
* Follows semantics of UNIX 'fgets'. For specified length n,
* string can be no longer than n-1. If less than that, add
* newline to end. In either case, then pad with null byte.
*/
public void simulate(ProgramStatement statement) throws ProcessingException {
String inputString = "";
int buf = RegisterFile.getValue(4); // buf addr in $a0
int maxLength = RegisterFile.getValue(5) - 1; // $a1
boolean addNullByte = true;
// Guard against negative maxLength. DPS 13-July-2011
if (maxLength < 0)
{
public class SyscallReadString extends AbstractSyscall
{
/**
* Build an instance of the Read String syscall. Default service number is 8 and name is "ReadString".
*/
public SyscallReadString()
{
super(8, "ReadString");
}
/**
* Performs syscall function to read console input string into buffer starting at address in $a0. Follows semantics
* of UNIX 'fgets'. For specified length n, string can be no longer than n-1. If less than that, add newline to
* end. In either case, then pad with null byte.
*/
public void simulate(ProgramStatement statement) throws ProcessingException
{
String inputString = "";
int buf = RegisterFile.getValue(4); // buf addr in $a0
int maxLength = RegisterFile.getValue(5) - 1; // $a1
boolean addNullByte = true;
// Guard against negative maxLength. DPS 13-July-2011
if (maxLength < 0)
{
maxLength = 0;
addNullByte = false;
}
inputString = SystemIO.readString(this.getNumber(), maxLength);
int stringLength = Math.min(maxLength, inputString.length());
try
{
addNullByte = false;
}
inputString = SystemIO.readString(this.getNumber(), maxLength);
int stringLength = Math.min(maxLength, inputString.length());
try
{
for (int index = 0; index < stringLength; index++)
{
Globals.memory.setByte(buf + index,
inputString.charAt(index));
}
Globals.memory.setByte(buf + index,
inputString.charAt(index));
}
if (stringLength < maxLength)
{
Globals.memory.setByte(buf + stringLength, '\n');
stringLength++;
Globals.memory.setByte(buf + stringLength, '\n');
stringLength++;
}
if (addNullByte) Globals.memory.setByte(buf + stringLength, 0);
}
catch (AddressErrorException e)
if (addNullByte)
{
throw new ProcessingException(statement, e);
Globals.memory.setByte(buf + stringLength, 0);
}
}
}
}
catch (AddressErrorException e)
{
throw new ProcessingException(statement, e);
}
}
}