private Error processWordDirective(String str, String sourceLineNo) {
Error err = new Error();
str = MyLibrary.removeBeginningAndEndingSpace(str);
Memory var10000;
String[] A;
int noOfWords;
int i;
if (str.indexOf(58) != -1) {
A = str.split("[ ]*:[ ]*");
if (A.length != 2) {
err = new Error("Syntax Error @ line " + sourceLineNo, 1);
return err;
}
if (!MyLibrary.isValidNumber(A[0]) || !MyLibrary.isValidNumber(A[0])) {
err = new Error("Invalid Numaric Constant in Line : " + sourceLineNo, 1);
return err;
}
noOfWords = MyLibrary.fromStringToInt(A[0]);
i = MyLibrary.fromStringToInt(A[1]);
if (i * 4 > Memory.currentStackAddress - Memory.currentDynamicDataAddress) {
err = new Error("Segmentation Fault ! Unable To Allocate " + i + " Words !", 1);
return err;
}
for (int i1 = 0; i1 < i; ++i1) {
var10000 = this.Mem;
Memory.addWordInDynamicMemory(noOfWords);
}
} else if (str.indexOf(44) != -1) {
A = str.split("[ ]*,[ ]*");
noOfWords = A.length;
if (noOfWords * 4 > Memory.currentStackAddress - Memory.currentDynamicDataAddress) {
err = new Error("Segmentation Fault ! Unable To Allocate " + noOfWords + " Words !", 1);
return err;
}
for (i = 0; i < A.length; ++i) {
if (!MyLibrary.isValidNumber(A[i])) {
err = new Error("Invalid Numaric Constant in Line : " + sourceLineNo, 1);
return err;
}
var10000 = this.Mem;
Memory.addWordInDynamicMemory(MyLibrary.fromStringToInt(A[i]));
}
} else {
if (!MyLibrary.isValidNumber(str)) {
err = new Error("Invalid Numaric Constant in Line : " + sourceLineNo, 1);
return err;
}
var10000 = this.Mem;
Memory.addWordInDynamicMemory(MyLibrary.fromStringToInt(str));
}
return err;
}
private Error storeAllChars(String str) {
Error err = new Error();
int len = str.length();
for (int i = 1; i < len - 1; ++i) {
if (str.charAt(i) == 92) {
++i;
if (str.charAt(i) == 98) {
Memory.addByteInDynamicMemory(8);
} else if (str.charAt(i) == 116) {
Memory.addByteInDynamicMemory(9);
} else if (str.charAt(i) == 110) {
Memory.addByteInDynamicMemory(10);
} else if (str.charAt(i) == 102) {
Memory.addByteInDynamicMemory(12);
} else if (str.charAt(i) == 114) {
Memory.addByteInDynamicMemory(13);
} else if (str.charAt(i) == 34) {
Memory.addByteInDynamicMemory(34);
} else if (str.charAt(i) == 39) {
Memory.addByteInDynamicMemory(39);
} else if (str.charAt(i) == 92) {
Memory.addByteInDynamicMemory(92);
}
} else {
Memory.addByteInDynamicMemory(str.charAt(i));
}
}
return err;
}
private Error processAsciizDirective(String str, String sourceLineNo) {
new Error();
str = MyLibrary.removeBeginningAndEndingSpace(str);
Error err;
if (!this.isValidString(str)) {
err = new Error("Invalid String Constant in line no " + sourceLineNo + " !", 1);
return err;
} else {
err = this.storeAllChars(str);
Memory.addByteInDynamicMemory(10);
return err;
}
}
private Error processSpaceDirective(String str, String sourceLineNo) {
Error err = new Error();
str = MyLibrary.removeBeginningAndEndingSpace(str);
if (!MyLibrary.isValidNumber(str)) {
err = new Error("Invalid Numaric Constant in Line : " + sourceLineNo, 1);
return err;
} else {
int numBytes = MyLibrary.fromStringToInt(str);
if (numBytes > Memory.currentStackAddress - Memory.currentDynamicDataAddress) {
err = new Error("Segmentation Fault ! Unable To Allocate " + numBytes + " Bytes !", 1);
return err;
} else {
for (int i = 0; i < numBytes; ++i) {
Memory var10000 = this.Mem;
Memory.addByteInDynamicMemory(0);
}
return err;
}
}
}
private Error processDataSection() {
Error err = new Error();
for (int i = 0; i < this.sourceOfDataSection.size(); ++i) {
String str = (String) this.sourceOfDataSection.get(i);
if (this.doesStartWithLevel(str)) {
String levelName = this.getLevelName(str);
Memory var10000 = this.Mem;
Memory.setBeginingAddressOfWord(levelName);
err = this.processDirectives(str.substring(levelName.length() + 1), "\n\t" + str);
} else {
err = this.processDirectives(str, "\n\t" + str);
}
if (!err.isOk()) {
break;
}
}
return err;
}
