Removed Group A, Code A1 since it's been merged in main branch.

Codes/Group A/Assignment-A1/Code-A1.py

@@ -1,109 +0,0 @@
-# Assignment-A1
-
-try:
-    source = open('source.txt','r')
-    data = source.read()
-    print('File read successfully\n\n')
-    source.seek(0)
-except FileNotFoundError: #A little bit of exception handling
-    print('\n\n\nFile Not found. Create a source.txt first.\n\n\n ')
-except IOError:
-    print('There was an IO error')
-LT_index = 0 #index of LT table
-ST_index = 0 #index of ST table
-add = 0 # address in source code
-MOT = {'STOP': '00','ADD': '01','SUB': '02','MULT': '03','MOVER': '04','MOVEM': '05','COMP': '06','BC': '07','DIV': '08','READ': '09','PRINT': '10','START': '01','END': '02','ORIGIN': '03','LTORG': '05','DS': '01','DC': '02','AREG,': '01','BREG,': '02','EQ':'01'}
-ST = []
-code=[]
-LT=[]
-MC = []
-# LT, ST are lists of lists. code= intermediate code table
-
-
-def classy(text):
-    '''This function will return the class of the word to be inputted in the Intermediate table'''
-    text = text.upper()
-    if text in ['STOP','ADD','SUB', 'MULT','MOVER','MOVEM','COMP','BC','DIV','READ', 'PRINT']:
-        return 'IS'
-    elif text in ['START','END','ORIGIN','LTORG']:
-        return 'AD'
-    elif text in ['DS','DC']:
-        return 'DL'
-    elif text in ['AREG,','BREG,']: return 'RG'
-    elif text in ['EQ']: return 'CC'
-    else: return 'None'
-
-def handle_start():
-    '''This function gives you the starting address of the code'''
-    line= source.readline()
-    words=line.split()
-    if words[0].upper()=='START':
-        return int(words[1])
-    else: 
-        print("No Start Statement! Abort!\n")
-        return 0
-
-def pass1():
-    add=handle_start()
-    if not add:
-        print("Ending Pass 1 due to Above error.")
-        return
-    global ST_index, LT_index  # to modify global variables, use global keyword
-    while True:
-        line=source.readline()# handlestart function reads line 1 and we start from the second line.
-        if not line:
-            break
-        words= line.split()
-        for w in words:
-            w=w.upper()
-            if w[0]=='=':
-                entry=[LT_index,w, add]
-                LT.append(entry)
-                LT_index +=1 
-            elif classy(w)== 'None':
-                for term in ST:
-                    if w== term[1]: break # I check if the label is already present in ST.
-                else:
-                    entry=[ST_index,w, add]
-                    ST.append(entry)
-                    ST_index +=1
-        add+=1
-    print('LT:')
-    for a in LT:
-        print(a)
-    print('\n\n\nST:')
-    for a in ST:
-        print(a)
-        
-def intermediate():
-    source.seek(0)
-    while True:
-        entry=[]
-        ind = 0
-        line=source.readline()
-        if not line:
-            break
-        words=line.split()
-        for w in words:
-            w=w.upper()
-            if classy(w)!='None': #it is a directive
-                entry.append((classy(w),MOT[w]))
-            elif w[0]== '=': #it is a literal.
-                for a in LT:
-                    if a[1]==w:
-                        ind = a[0]
-                        break
-                entry.append(('L',ind))
-            else: #it is a symbol
-                for a in ST:
-                    if a[1]==w:
-                        ind = a[0]
-                        break
-                entry.append(('S',ind))
-        code.append(entry)
-    print("\nThe Intermediate code is:")
-    for entry in code:
-        print(entry)
-
-pass1()
-intermediate()

Codes/Group A/Assignment-A1/source.txt

@@ -1,4 +0,0 @@
-Start 100
-Label MOVER AREG, =5
-add areg, =999
-sub breg, x