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How to use get_r method in avocado

Best Python code snippet using avocado_python

object.py

Source:object.py

1import os2import re3import sys4regs=['t1','t2','t3','t4','t5','t6','t7','t8','t9','s0','s1','s2','s3','s4','s5','s6','s7']5table={}6reg_ok={}7variables=[]89def translate(line):10    if line[1]=='=':11        if line[3] == '_':12            if line[2][0] == '#':  # ['15:', '=', '#1', '_', 'a'] liå è½½ç«å³æ°13                return '%s\n\tli %s,%s'%("Label"+line[0],Get_R(line[4]),line[2].replace('#',''))14            else:  # ['15:', '=', 't1', '_', 'a']15                return '%s\n\tmove %s,%s'%("Label"+line[0],Get_R(line[4]),Get_R(line[2]))16    if line[1] == '+': 17        if line[3][0] == '#':  # ['2:', '+', 'a', '#1', 't2']18            return '%s\n\taddi %s,%s,%s'%("Label"+line[0],Get_R(line[4]),Get_R(line[2]),line[3].replace('#',''))19        elif line[2][0] == '#':  # ['2:', '+', '#1', 'a', 't2'] 20            return '%s\n\taddi %s,%s,%s'%("Label"+line[0],Get_R(line[4]),Get_R(line[3]),line[2].replace('#',''))21        else:  # ['2:', '+', 'b', 'a', 't2']22            return '%s\n\tadd %s,%s,%s'%("Label"+line[0],Get_R(line[4]),Get_R(line[2]),Get_R(line[3]))23    if line[1] == '-': 24        if line[3][0] == '#':  # ['2:', '-', 'a', '#1', 't2'] 25            return '%s\n\taddi %s,%s,-%s'%("Label"+line[0],Get_R(line[4]),Get_R(line[2]),line[3].replace('#',''))26        elif line[2][0] == '#':  # ['2:', '-', '#1', 'a', 't2'] 27            return '%s\n\taddi %s,%s,-%s'%("Label"+line[0],Get_R(line[4]),Get_R(line[3]),line[2].replace('#',''))28        else:  # ['2:', '-', 'b', 'a', 't2']29            return '%s\n\tsub %s,%s,%s'%("Label"+line[0],Get_R(line[4]),Get_R(line[2]),Get_R(line[3]))30    if line[1] == '*':  # ['3:', '*', 't2', 'a', 't3']31        return '%s\n\tmul %s,%s,%s'%("Label"+line[0],Get_R(line[4]),Get_R(line[2]),Get_R(line[3]))32    if line[1]=='/':  # div:ä¸¤ä¸ªå®ç¹å¯åå¨çåå®¹ç¸é¤ã  ['3:', '/', 't2', 'a', 't3'] åæ°åæ¾å¨ lo, ä½æ°åæ¾å¨ hi ;ä¸è½ç´æ¥è·å hi æ loä¸çå¼; éè¦mfhi, mfloæä»¤ä¼ å¼ç»å¯åå¨33        return '%s\n\tdiv %s,%s\n\tmflo %s'%("Label"+line[0],Get_R(line[2]),Get_R(line[3]),Get_R(line[4]))34    if line[1]=='%':  # %:ä¸¤ä¸ªå®ç¹å¯åå¨çåå®¹æ±ä½ã  ['3:', '%', 't2', 'a', 't3'] åæ°åæ¾å¨ lo, ä½æ°åæ¾å¨ hi ;ä¸è½ç´æ¥è·å hi æ loä¸çå¼; éè¦mfhi, mfloæä»¤ä¼ å¼ç»å¯åå¨35        return '%s\n\tdiv %s,%s\n\tmfhi %s'%("Label"+line[0],Get_R(line[2]),Get_R(line[3]),Get_R(line[4]))36    if line[1]=='<': # slt $1,$2,$3  if($2<$3)  $1=1 else   $1=0  ['3:', '<', 'var0', 't4', 't5']37        return '%s\n\tslt %s,%s,%s'%("Label"+line[0],Get_R(line[4]),Get_R(line[2]),Get_R(line[3]))38    if line[1]=='>':39        return '%s\n\tslt %s,%s,%s'%("Label"+line[0],Get_R(line[4]),Get_R(line[3]),Get_R(line[2]))40    if line[1] == 'CALL':41        if line[4] != '_': # ['1:','CALL','fun','_',t1]42            if line[2] == 'INPUT' or line[2] == 'PRINT':  # ['1:','CALL','INPUT','_',t1]43                # $sp æ æéï¼æåæ é¡¶ -4 (æåtemp9);  sw $ra,0($sp)-> memory[$sp+0]=$ra è¿åå°å; jal INPUT/PRINT; 44                # lw $ra,0($sp) -> $ra=memory[$sp+0]; move Get_R(temp9),$v0 INPUTå°±æ¯è¯»åçæ´æ°ï¼PRINTæ¯0 ; addi $sp,$sp,445                return '%s\n\taddi $sp,$sp,-4\n\tsw $ra,0($sp)\n\tjal %s\n\tlw $ra,0($sp)\n\tmove %s,$v0\n\taddi $sp,$sp,4'%("Label"+line[0],line[2],Get_R(line[4]))46            else:  # ['1:','CALL','fun','_',t1]47                # addi $sp,$sp,-2448	            # sw $t0,0($sp) -> memory[$sp+0]=$t049	            # sw $ra,4($sp) -> memory[$sp+4]=$ra è¿åå°å50	            # sw $t1,8($sp) -> memory[$sp+8]=$t151	            # sw $t2,12($sp) -> memory[$sp+12]=$t252	            # sw $t3,16($sp) -> memory[$sp+16]=$t353	            # sw $t4,20($sp) -> memory[$sp+20]=$t454	            # jal fact -> goto line[-1]55	            # lw $a0,0($sp) -> $a0=memory[$sp+0]56	            # lw $ra,4($sp) -> $ra=memory[$sp+4]57	            # lw $t1,8($sp) -> $t1=memory[$sp+8]58	            # lw $t2,12($sp) -> $t2=memory[$sp+12]59	            # lw $t3,16($sp) -> $t3=memory[$sp+16]60	            # lw $t4,20($sp) -> $t4=memory[$sp+20]61	            # addi $sp,$sp,2462                return '%s\n\taddi $sp,$sp,-24\n\tsw $t0,0($sp)\n\tsw $ra,4($sp)\n\tsw $t1,8($sp)\n\tsw $t2,12($sp)\n\tsw $t3,16($sp)\n\tsw $t4,20($sp)\n\tjal %s\n\tlw $a0,0($sp)\n\tlw $ra,4($sp)\n\tlw $t1,8($sp)\n\tlw $t2,12($sp)\n\tlw $t3,16($sp)\n\tlw $t4,20($sp)\n\taddi $sp,$sp,24\n\tmove %s $v0'%("Label"+line[0],line[2],Get_R(line[4]))63        else:  # ['1:','CALL','fun','_','_']64            if line[2] == 'INPUT' or line[2] == 'PRINT':  # ['1:','CALL','INPUT','_','_']65                return '%s\n\taddi $sp,$sp,-4\n\tsw $ra,0($sp)\n\tjal %s\n\tlw $ra,0($sp)\n\taddi $sp,$sp,4'%("Label"+line[0],line[2])66            else:  # ['1:','CALL','fun','_','_']67                return '%s\n\taddi $sp,$sp,-24\n\tsw $t0,0($sp)\n\tsw $ra,4($sp)\n\tsw $t1,8($sp)\n\tsw $t2,12($sp)\n\tsw $t3,16($sp)\n\tsw $t4,20($sp)\n\tjal %s\n\tlw $a0,0($sp)\n\tlw $ra,4($sp)\n\tlw $t1,8($sp)\n\tlw $t2,12($sp)\n\tlw $t3,16($sp)\n\tlw $t4,20($sp)\n\taddi $sp,$sp,24\n\tmove %s $v0'%("Label"+line[0],line[2],Get_R(line[1]))68    if line[1]=='GOTO':  # ['1:','GOTO','_','_','Label'+2]69        return '%s\n\tj %s'%("Label"+line[0],'Label'+line[4])70    if line[1]=='RETURN':# ['1:','RETURN','t1','_','_'] ç¨v0åå¨è¿åå¼71        return '%s\n\tmove $v0,%s\n\tjr $ra'%("Label"+line[0],Get_R(line[2]))72    # ['1:','JEQ','t1','t2','Label'+2] -> == ; beq $1,$2,10 -> if($1==$2)  goto PC+4+4073    if line[1] == 'JEQ':74        return '%s\n\tbeq %s,%s,%s'%("Label"+line[0],Get_R(line[2]),Get_R(line[3]),"Label"+line[-1]) 75    # ['1:','JNZ','t1','t2','Label'+2] -> != ; bne $1,$2,10 -> if($1!=$2)  goto PC+4+4076    if line[1] == 'JNE':77        return '%s\n\tbne %s,%s,%s'%("Label"+line[0],Get_R(line[2]),Get_R(line[3]),"Label"+line[-1])78    # ['1:','J>','t1','t2','Label'+2]  ; bgt $1,$2,10 -> if($1>$2)  goto PC+4+4079    if line[1] == 'J>':80        return '%s\n\tbgt %s,%s,%s'%("Label"+line[0],Get_R(line[2]),Get_R(line[3]),"Label"+line[-1])81    # ['1:','J<','t1','t2','Label'+2] ; blt $1,$2,10 -> if($1<$2)  goto PC+4+4082    if line[1] == 'J<':83        return '%s\n\tblt %s,%s,%s'%("Label"+line[0],Get_R(line[2]),Get_R(line[3]),"Label"+line[-1])84    # ['1:','JGE','t1','t2','Label'+2] -> >= ; bge $1,$2,10 -> if($1>=$2)  goto PC+4+4085    if line[1] == 'JGE':86        return '%s\n\tbge %s,%s,%s'%("Label"+line[0],Get_R(line[2]),Get_R(line[3]),"Label"+line[-1])87    # ['1:','JLE','t1','t2','Label'+2] -> <= ; ble $1,$2,10 -> if($1<=$2)  goto PC+4+4088    if line[1] == 'JLE':89        return '%s\n\tble %s,%s,%s'%("Label"+line[0],Get_R(line[2]),Get_R(line[3]),"Label"+line[-1])90    # ['1:','FUNCTION','_','_','main']91    if line[1]=='FUNCTION':92        return '%s:\n%s'%(line[4],"Label"+line[0])93    # ['1:','ARG','var2','_','_'] 94    if line[1]=='ARG':95        return '%s\n\tmove $t0,$a0\n\tmove $a0,%s'%("Label"+line[0],Get_R(line[2]))96    if line[1]=='param': # ['1:','param','_','_','var2'] 97        table[line[4]]='a0'98    if line[1]=='^':  # ['1:','^','a','b','t1'] mul a,b,a  mul a,b,a  mul a,b,a mul a,b,t199        return '%s\n\tli $a0,1\n\tmove %s,%s\n%s\n\tmul %s,%s,%s\n\taddi $a0,$a0,1\n\tblt $a0,%s,%s\n\tmove %s,%s'%("Label"+line[0],Get_R(line[0]),Get_R(line[2]),'Labelmi'+line[0],Get_R(line[2]),Get_R(line[2]),Get_R(line[0]),Get_R(line[3]),'Labelmi'+line[0][0:-1],Get_R(line[2]),Get_R(line[4]))100    return ''101102def write_to_txt(Obj):103    f = sys.stdout104    template='''105.data106_prompt: .asciiz "Enter an integer:"107_ret: .asciiz "\\n"108.globl main109.text110jal main111addi $v0 $v0 10112syscall113INPUT:114    li $v0,4 # The address of the string to be PRINTed is assigned to $a0115    la $a0,_prompt116    syscall117    li $v0,5 # Assigns the INPUT integer to $v0118    syscall119    jr $ra # jr -> goto # $ra  the returned address120121PRINT:122    li $v0,1 # The integer to be PRINTed is assigned to $a0123    syscall124    li $v0,4 # The address of the string to be PRINTed is assigned to $a0125    la $a0,_ret # LA(Load Address) An instruction is used to store an address or label into a register126    syscall127    move $v0,$0128    jr $ra129'''130    f.write(template)131    for line in Obj:132        f.write(line+'\n')133    f.close()134def Load_Var(Inter):135    global variables136    temp_re = '(temphh\d+)'137    for line in Inter:138        temps=re.findall(temp_re,' '.join(line))139        variables+=temps140141def Load_Inter(filename):142    lines=[]143    for line in open(filename,'r',encoding='utf-8'):144        line=line.replace('\r','').replace('\n','')145        if line =='':146            continue147        lines.append(line.split('\t'))148    return lines149150def Get_R(string):151    try:152        variables.remove(string)153    except:154        pass155    if string in table:156        return '$'+table[string]  #å¦æå·²ç»åå¨å¯åå¨åéï¼é£ä¹ç´æ¥è¿åå¯åå¨157    else:158        keys=[]159        for key in table:         #å·²ç»åéå¯åå¨çåékey160            keys.append(key)161        for key in keys:          #å½éå°æªåéå¯åå¨çåéæ¶ï¼æ¸ç©ºä¹åææåéçä¸´æ¶åéçæ å°å³ç³»ï¼ï¼ï¼162            if 'temphh' in  key and key not in variables: #163                reg_ok[table[key]]=1164                del table[key]165        for reg in regs:          #å¯¹äºææå¯åå¨166            if reg_ok[reg]==1:    #å¦æå¯åå¨å¯ç¨167                table[string]=reg #å°å¯ç¨å¯åå¨åéç»è¯¥åéï¼æ å°å³ç³»åå°tableä¸168                reg_ok[reg]=0     #å¯åå¨regè®¾ç½®ä¸ºå·²ç¨169                return '$'+reg170def parser():171    for reg in regs:172        reg_ok[reg]=1  #åå§åï¼ææå¯åå¨é½å¯ç¨173    Inter=Load_Inter(sys.argv[1])  #è¯»åä¸é´ä»£ç 174    Load_Var(Inter)    #ç¬¬ä¸éæ«æï¼è®°å½ææåé175    Obj=[]176    for line in Inter:177        obj_line=translate(line) #ç¿»è¯ä¸é´ä»£ç æMIPSæ±ç¼178        if obj_line=='':179            continue180        Obj.append(obj_line)181    write_to_txt(Obj)182183if __name__ == "__main__":
...

changecodes.py

Source:changecodes.py

...20        if line == '':21            continue22        lines.append(line.split(' '))23    return lines24def get_r(string):25    print(variables)26    print(table)27    if string[0] == '*':28        string = string[1:]29    try:30        variables.remove(string)31    except Exception as e:32        print(string, "is not in variables!")33    if string in table:34        return '$' + table[string]35    else:36        keys = []37        for key in table:38            keys.append(key)39        for key in keys:40            if 'temp' in key and key not in variables:41                reg_ok[table[key]] = 142                del table[key]43        for reg in regs:44            if reg_ok[reg] == 1:45                table[string] = reg46                reg_ok[reg] = 047                return '$' + reg48def translate(line):49    if line[0] == 'LABEL':50        return line[1] + ':'51    if line[1] == ':=':52        if len(line) == 3:53            if line[-1][0] == '#':54                return '\tli %s,%s' % (get_r(line[0]), line[-1].replace(55                    '#', ''))56            elif line[0][0] == '*':57                return '\tsw %s,0(%s)' % (get_r(line[2]), get_r(line[0][1:]))58            elif line[2][0] == '*':59                return '\tlw %s,0(%s)' % (get_r(line[0]), get_r(line[2][1:]))60            else:61                get_r(line[0])62                get_r(line[2])63                return '\tmove %s,%s' % (get_r(line[0]), get_r(line[2]))64        if len(line) == 5:65            if line[2][0] == '&' and line[2][1] == 'a':66                return '\tla %s,%s\n\taddu %s,%s,%s' % (get_r(67                    line[2]), line[2][1:], get_r(line[0]), get_r(line[4]),68                                                        get_r(line[2]))69            tmp_array = []70            if line[2][0] == '*':71                t1 = get_r(line[2][1:])72                variables.append(line[2][1:])73                t2 = get_r(line[2][1:])74                variables.append(line[2][1:])75                tmp_array.append('\tlw %s,0(%s)' % (t1, t2))76            if line[4][0] == '*':77                t1 = get_r(line[4][1:])78                variables.append(line[4][1:])79                t2 = get_r(line[4][1:])80                variables.append(line[4][1:])81                tmp_array.append('\tlw %s,0(%s)' % (t1, t2))82            if line[3] == '+':83                if line[-1][0] == '#':84                    return '\taddi %s,%s,%s' % (get_r(line[0]), get_r(line[2]),85                                                line[-1].replace('#', ''))86                else:87                    tmp_array.append('\tadd %s,%s,%s' % (get_r(88                        line[0]), get_r(line[2]), get_r(line[-1])))89                    return '\n'.join(tmp_array)90            elif line[3] == '-':91                if line[-1][0] == '#':92                    return '\taddi %s,%s,-%s' % (get_r(line[0]), get_r(93                        line[2]), line[-1].replace('#', ''))94                else:95                    tmp_array.append('\tsub %s,%s,%s' % (get_r(96                        line[0]), get_r(line[2]), get_r(line[-1])))97                    return '\n'.join(tmp_array)98            elif line[3] == '*':99                tmp_array.append('\tmul %s,%s,%s' % (get_r(100                    line[0]), get_r(line[2]), get_r(line[4])))101                return '\n'.join(tmp_array)102            elif line[3] == '/':103                tmp_array.append('\tdiv %s,%s\n\tmflo %s' % (get_r(104                    line[2]), get_r(line[-1]), get_r(line[0])))105                return '\n'.join(tmp_array)106            elif line[3] == '<':107                tmp_array.append('\tslt %s,%s,%s' % (get_r(108                    line[0]), get_r(line[2]), get_r(line[-1])))109                return '\n'.join(tmp_array)110            elif line[3] == '>':111                tmp_array.append('\tslt %s,%s,%s' % (get_r(112                    line[0]), get_r(line[-1]), get_r(line[2])))113                return '\n'.join(tmp_array)114        if line[2] == 'CALL':115            if line[3] == 'read' or line[3] == 'print':116                return '\taddi $sp,$sp,-4\n\tsw $ra,0($sp)\n\tjal %s\n\tlw $ra,0($sp)\n\tmove %s,$v0\n\taddi $sp,$sp,4' % (117                    line[-1], get_r(line[0]))118            else:119                return '\taddi $sp,$sp,-24\n\tsw $t0,0($sp)\n\tsw $ra,4($sp)\n\tsw $t1,8($sp)\n\tsw $t2,12($sp)\n\tsw $t3,16($sp)\n\tsw $t4,20($sp)\n\tjal %s\n\tlw $a0,0($sp)\n\tlw $ra,4($sp)\n\tlw $t1,8($sp)\n\tlw $t2,12($sp)\n\tlw $t3,16($sp)\n\tlw $t4,20($sp)\n\taddi $sp,$sp,24\n\tmove %s $v0' % (120                    line[-1], get_r(line[0]))121    if line[0] == 'DEC':122        data.append('%s: .space 1024' % (line[1]))123    if line[0] == 'GOTO':124        return '\tj %s' % line[1]125    if line[0] == 'RETURN':126        return '\tmove $v0,%s\n\tjr $ra' % get_r(line[1])127    if line[0] == 'IF':128        if line[2] == '==':129            return '\tbeq %s,%s,%s' % (get_r(line[1]), get_r(line[3]),130                                       line[-1])131        if line[2] == '!=':132            return '\tbne %s,%s,%s' % (get_r(line[1]), get_r(line[3]),133                                       line[-1])134        if line[2] == '>':135            return '\tbgt %s,%s,%s' % (get_r(line[1]), get_r(line[3]),136                                       line[-1])137        if line[2] == '<':138            return '\tblt %s,%s,%s' % (get_r(line[1]), get_r(line[3]),139                                       line[-1])140        if line[2] == '>=':141            return '\tbge %s,%s,%s' % (get_r(line[1]), get_r(line[3]),142                                       line[-1])143        if line[2] == '<=':144            return '\tble %s,%s,%s' % (get_r(line[1]), get_r(line[3]),145                                       line[-1])146    if line[0] == 'FUNCTION':147        return '%s:' % line[1]148    if line[0] == 'CALL':149        if line[-1] == 'read' or line[-1] == 'print':150            return '\taddi $sp,$sp,-4\n\tsw $ra,0($sp)\n\tjal %s\n\tlw $ra,0($sp)\n\taddi $sp,$sp,4' % (151                line[-1])152        else:153            return '\taddi $sp,$sp,-24\n\tsw $t0,0($sp)\n\tsw $ra,4($sp)\n\tsw $t1,8($sp)\n\tsw $t2,12($sp)\n\tsw $t3,16($sp)\n\tsw $t4,20($sp)\n\tjal %s\n\tlw $a0,0($sp)\n\tlw $ra,4($sp)\n\tlw $t1,8($sp)\n\tlw $t2,12($sp)\n\tlw $t3,16($sp)\n\tlw $t4,20($sp)\n\taddi $sp,$sp,24\n\tmove %s $v0' % (154                line[-1], get_r(line[0]))155    if line[0] == 'ARG':156        if line[1][0] == '*':157            return '\tlw %s,0(%s)\n\tmove $t0,$a0\n\tmove $a0,%s' % (get_r(158                line[1][1:]), get_r(line[1][1:]), get_r(line[1][1:]))159        return '\tmove $t0,$a0\n\tmove $a0,%s' % get_r(line[-1])160    if line[0] == 'PARAM':161        table[line[-1]] = 'a0'162    return ''163def write_to_txt(obj):164    f = open('result.asm', 'w')165    template1 = '''166read:167    li $v0,4168    la $a0,_prompt169    syscall170    li $v0,5171    syscall172    jr $ra173print:...

objectcode.py

Source:objectcode.py

1import os2import re3regs=['t1','t2','t3','t4','t5','t6','t7','t8','t9','s0','s1','s2','s3','s4','s5','s6','s7']4table={}5reg_ok={}6variables=[]7def Load_Var(Inter):8    global variables9    temp_re='(temp\d+)'10    for line in Inter:11        temps=re.findall(temp_re,' '.join(line))12        variables+=temps13def Load_Inter(filename):14    lines=[]15    for line in open(filename,'r',encoding='utf-8'):16        line=line.replace('\r','').replace('\n','')17        if line =='':18            continue19        lines.append(line.split(' '))20    return lines21def Get_R(string):22    try:23        variables.remove(string)24    except:25        pass26    if string in table:27        return '$'+table[string]  #å¦æå·²ç»åå¨å¯åå¨åéï¼é£ä¹ç´æ¥è¿åå¯åå¨28    else:29        keys=[]30        for key in table:         #å·²ç»åéå¯åå¨çåékey31            keys.append(key)32        for key in keys:          #å½éå°æªåéå¯åå¨çåéæ¶ï¼æ¸ç©ºä¹åææåéçä¸´æ¶åéçæ å°å³ç³»ï¼ï¼ï¼33            if 'temp' in  key and key not in variables: #34                reg_ok[table[key]]=135                del table[key]36        for reg in regs:          #å¯¹äºææå¯åå¨37            if reg_ok[reg]==1:    #å¦æå¯åå¨å¯ç¨38                table[string]=reg #å°å¯ç¨å¯åå¨åéç»è¯¥åéï¼æ å°å³ç³»åå°tableä¸39                reg_ok[reg]=0     #å¯åå¨regè®¾ç½®ä¸ºå·²ç¨40                return '$'+reg41def translate(line):42    if line[0]=='LABEL':43        return line[1]+':'44    if line[1]==':=':45        if len(line)==3:46            if line[-1][0]=='#':47                return '\tli %s,%s'%(Get_R(line[0]),line[-1].replace('#',''))48            else:49                return '\tmove %s,%s'%(Get_R(line[0]),Get_R(line[2]))50        if len(line)==5:51            if line[3]=='+':52                if line[-1][0]=='#':53                    return '\taddi %s,%s,%s'%(Get_R(line[0]),Get_R(line[2]),line[-1].replace('#',''))54                else:55                    return '\tadd %s,%s,%s'%(Get_R(line[0]),Get_R(line[2]),Get_R(line[-1]))56            elif line[3]=='-':57                if line[-1][0]=='#':58                    return '\taddi %s,%s,-%s'%(Get_R(line[0]),Get_R(line[2]),line[-1].replace('#',''))59                else:60                    return '\tsub %s,%s,%s'%(Get_R(line[0]),Get_R(line[2]),Get_R(line[-1]))61            elif line[3]=='*':62                return '\tmul %s,%s,%s'%(Get_R(line[0]),Get_R(line[2]),Get_R(line[-1]))63            elif line[3]=='/':64                return '\tdiv %s,%s\n\tmflo %s'%(Get_R(line[2]),Get_R(line[-1]),Get_R(line[0]))65            elif line[3]=='<':66                return '\tslt %s,%s,%s'%(Get_R(line[0]),Get_R(line[2]),Get_R(line[-1]))67            elif line[3]=='>':68                return '\tslt %s,%s,%s'%(Get_R(line[0]),Get_R(line[-1]),Get_R(line[2]))    69        if line[2]=='CALL':70            if line[3]=='read' or line[3]=='print':71                return '\taddi $sp,$sp,-4\n\tsw $ra,0($sp)\n\tjal %s\n\tlw $ra,0($sp)\n\tmove %s,$v0\n\taddi $sp,$sp,4'%(line[-1],Get_R(line[0]))72            else:73                return '\taddi $sp,$sp,-24\n\tsw $t0,0($sp)\n\tsw $ra,4($sp)\n\tsw $t1,8($sp)\n\tsw $t2,12($sp)\n\tsw $t3,16($sp)\n\tsw $t4,20($sp)\n\tjal %s\n\tlw $a0,0($sp)\n\tlw $ra,4($sp)\n\tlw $t1,8($sp)\n\tlw $t2,12($sp)\n\tlw $t3,16($sp)\n\tlw $t4,20($sp)\n\taddi $sp,$sp,24\n\tmove %s $v0'%(line[-1],Get_R(line[0]))74    if line[0]=='GOTO':75        return '\tj %s'%line[1]76    if line[0]=='RETURN':77            return '\tmove $v0,%s\n\tjr $ra'%Get_R(line[1])78    if line[0]=='IF':79        if line[2]=='==':80            return '\tbeq %s,%s,%s'%(Get_R(line[1]),Get_R(line[3]),line[-1])81        if line[2]=='!=':82            return '\tbne %s,%s,%s'%(Get_R(line[1]),Get_R(line[3]),line[-1])83        if line[2]=='>':84            return '\tbgt %s,%s,%s'%(Get_R(line[1]),Get_R(line[3]),line[-1])85        if line[2]=='<':86            return '\tblt %s,%s,%s'%(Get_R(line[1]),Get_R(line[3]),line[-1])87        if line[2]=='>=':88            return '\tbge %s,%s,%s'%(Get_R(line[1]),Get_R(line[3]),line[-1])89        if line[2]=='<=':90            return '\tble %s,%s,%s'%(Get_R(line[1]),Get_R(line[3]),line[-1])91    if line[0]=='FUNCTION':92        return '%s:'%line[1]93    if line[0]=='CALL':94        if line[-1]=='read' or line[-1]=='print':95            return '\taddi $sp,$sp,-4\n\tsw $ra,0($sp)\n\tjal %s\n\tlw $ra,0($sp)\n\taddi $sp,$sp,4'%(line[-1])96        else:97            return '\taddi $sp,$sp,-24\n\tsw $t0,0($sp)\n\tsw $ra,4($sp)\n\tsw $t1,8($sp)\n\tsw $t2,12($sp)\n\tsw $t3,16($sp)\n\tsw $t4,20($sp)\n\tjal %s\n\tlw $a0,0($sp)\n\tlw $ra,4($sp)\n\tlw $t1,8($sp)\n\tlw $t2,12($sp)\n\tlw $t3,16($sp)\n\tlw $t4,20($sp)\n\taddi $sp,$sp,24\n\tmove %s $v0'%(line[-1],Get_R(line[0]))98    if line[0]=='ARG':99        return '\tmove $t0,$a0\n\tmove $a0,%s'%Get_R(line[-1])100    if line[0]=='PARAM':101        table[line[-1]]='a0'102    return ''103def write_to_txt(Obj):104    f=open('result.asm','w')105    template='''106.data107_prompt: .asciiz "Enter an integer:"108_ret: .asciiz "\\n"109.globl main110.text111read:112    li $v0,4113    la $a0,_prompt114    syscall115    li $v0,5116    syscall117    jr $ra118print:119    li $v0,1120    syscall121    li $v0,4122    la $a0,_ret123    syscall124    move $v0,$0125    jr $ra126'''127    f.write(template)128    for line in Obj:129        f.write(line+'\n')130    f.close()131def parser():132    for reg in regs:133        reg_ok[reg]=1  #åå§åï¼ææå¯åå¨é½å¯ç¨134    Inter=Load_Inter('innerCode.txt')  #è¯»åä¸é´ä»£ç 135    Load_Var(Inter)    #ç¬¬ä¸éæ«æï¼è®°å½ææåé136    Obj=[]137    for line in Inter:138        obj_line=translate(line) #ç¿»è¯ä¸é´ä»£ç æMIPSæ±ç¼139        if obj_line=='':140            continue141        Obj.append(obj_line)142    write_to_txt(Obj)...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.