compiler file

8/17/2019 Compiler File

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//calc.yacc

%{#include int regs[26];int base;

%}%start list%token !"! $&%le't ()(%le't (*(%le't (+( (,(%le't (-( (/( (%(%le't !01 /-sulies recedence 'or unary 3inus -/%% /- beginning o' rules section -/list4 /-e3ty -/ ) list stat (5n( ) list error (5n( { yyerrok; } ;stat4 er { rint'78%d5n89:; } ) $& (=( er { regs[:] = :; } ;er4 (7( er (( { :: = :2; } ) er (-( er { :: = : - :; } ) er (/( er {

:: = : / :; } ) er (%( er { :: = : % :; } ) er (+( er


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{ :: = : + :; } ) er (,( er {

:: = : , :; } ) er (*( er { :: = : * :; } ) er ()( er { :: = : ) :; } ) (,( er %rec !01 { :: = ,:2; } ) $& { :: = regs[:]; } ) nu3ber ;nu3ber4 !"! { :: = :; base = 7:==? @ A 4 ?; } ) nu3ber !"! { :: = base - : + :2; } ;%%3ain7{ return7yyarse7;}

yyerror7schar -s;{ 'rint'7stderr9 8%s5n89s;}yyBra7{ return7;}


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//calc.le

%{ #include

#include 8y.tab.h8int c;etern int yylCal;%}%%8 8 ;[a,D] { c = yytet[?]; yylCal = c , (a(; return7$&; }[?,E] { c = yytet[?];

yylCal = c , (?(; return7!"!; }[Fa,D?,E5b] { c = yytet[?]; return7c; }

//!nost.l

%{


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#include

#include "y.tab.h"

%}

%%

[a-zA-Z] { strcpyyyl!al.syytet$

return &'

}

[()-*] { return yytet[+]}

[+-,] { return yytet[+]}

[n] { return +}

"""$" { return yytet[+]}

. {}

%%

//inots.y

%{

#include

#include

!oid yyerrorconst char )str${

0print0stderr"error1 %sn"str$

}

int yy2rap$

{

return 3

}

4ain$

{

yyparse$

}

%}

%le0t 5(5 5-5

%le0t 5)5 5*5

%nonassoc 67&869

%union {

char s[:+]

}

%to;en &' 867

%type

%%

91 {print0"%sn"=3$}

15(5 {

strcat=3=$

strcat=3"("$

strcpy===3$

}

5)5 {

strcat=3=$

strcat=3")"$


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strcpy===3$

}

5*5 { strcat=3=$

strcat=3"*"$

strcpy===3$

}

5-5 {

strcat=3=$

strcat=3"-"$

strcpy===3$

}

5-5 %prec 67&869 {

strcat=:"67&869"$

strcpy===:$

}

&' {strcpy===3$}

867 {strcpy===3$}

555$5 {strcpy===:$}

%%*)!oid 4ain$

{

yyparse$

})*

*)yyerror$ {

print0"rror."$

})*

//leanlDr.l

letter [a-zA-Z]

di/it[+-,]

%%

{di/it}("""(""-"$?{di/it}($? print0"n%stis real nu4ber"yytet$

{di/it}("."{di/it}("""(""-"$?{di/it}($? print0"n%st is 0loatin/ pt no

"yytet$

"i0""else""int""char""scan0""print0""s2itch""return""struct""do""2hi

le""!oid""0or""0loat" print0"n%st is ;ey2ords"yytet$

"a""n""b""t""t""b""a" print0"n%stis scape

se@uences"yytet$


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{letter}{letter}{di/it}$) print0"n%stis identi0ier"yytet$

"""""B""B""(""-""?"")""*""%""""" print0"n

%stoperator "yytet$

"{""}""[""]""""$""#""5""."""""""""" print0"n%st is a

special character"yytet$

"%d""%s""%c""%0""%e" print0"n%stis a 0or4at speci0ier"yytet$

%%

int yy2rap$

{

return 3

}

int 4ainint ar/cchar )ar/![]$

{

yyinB0openar/![3]"r"$

yyle$

0closeyyin$

return +

}

//sy3bolable

#include

#include

#include

struct table{

char !ar[3+]

int !alue

}

struct table tbl[:+]

int iCn

!oid create$

!oid 4odi0y$

int searchchar !ariable[]int n$


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!oid insert$

!oid display$

!oid 4ain$

{

int chresultB+

char ![3+]

do

{

print0"nter ur

choice1n3.Dreaten:.&nsertn.7odi0ynE.9earchnF.'isplaynG.it"$

scan0"%d"ch$

s2itchch$

{

case 31

create$

brea;

case :1

insert$

brea;

case 1

4odi0y$brea;

case E1

print0"nter the !ariabe to be searchedn"$

scan0"%s"!$

resultBsearch!n$

i0resultBB+$

print0"Hhe !ariable does not belon/ to the tablen"$

else

print0"Hhe location o0 !ariable is %d. Hhe !alue o0 %s is %d"

resulttbl[result].!artbl[result].!alue$

brea;

case F1

display$

brea;

case G1

eit3$

}

}

2hilechIBG$

}

!oid create$

{

print0"nter the nu4ber o0 entriesn"$

scan0"%d"n$

print0"nter the !ariable and the !alue1n"$

0oriB3iB5+5 tbl[i].!ar[+]


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chec;31

0orCB3CB:+$

print0"Dannotinsert. Hable is 0ull"$

else

{

n((print0"nter the !ariable and !aluen"$

scan0"%s%d"tbl[n].!artbl[n].!alue$

chec;1

i0tbl[i].!ar[+]>B5+5 tbl[i].!ar[+]


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print0"Hhe current !alue o0 the !ariable%s is %d nter the ne2 !ariable and

its !alue"tbl[result].!artbl[result].!alue$

scan0"%s%d"tbl[result].!artbl[result].!alue$

chec;1

i0tbl[i].!ar[+]>B5+5 tbl[i].!ar[+]


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//d'a.c

#include

#include

#include

#include

typede0 lon/ lon/ int KK

usin/ na4espace std

int 4ain$

{

KK i C n t 4 su4 B + ans B + count B + p ;

strin/ input9tr

cout


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stateB:

}

else{

stateB:

}

}

i0stateBB${

i0input9tr[i]BB5+5${

stateB

}

else{

stateB

}

}

}

i0stateBB${

cout


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Enter ur choice:1.Create2.Insert3.Modify4.Search5.Display6.Eit

1Enter the nu!"er of entries2Enter the #aria"le and the #alue:

$ 26% 42&he ta"le after creation is'aria"le #alue

$ 26% 42Enter ur choice:1.Create2.Insert3.Modify4.Search

5.Display6.Eit2Enter the #aria"le and #alueD 1(&he ta"le after insertion is'aria"le #alue

$ 26% 42D 1(Enter ur choice:1.Create2.Insert3.Modify4.Search

5.Display6.Eit3Enter the #aria"le to "e !odifiedD&he current #alue of the #aria"leD is 1() Enter the ne* #aria"le and its #alueC2(&he ta"le after !odification is'aria"le #alue

$ 26% 42C 2(Enter ur choice:1.Create2.Insert3.Modify4.Search5.Display6.Eit4Enter the #aria"e to "e searched

$ &he location of #aria"le is 1. &he #alue of $is 26Enter ur choice:


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1.Create2.Insert3.Modify4.Search5.Display6.Eit5

'aria"le #alue $ 26% 42C 2(Enter ur choice:1.Create2.Insert3.Modify4.Search5.Display6.Eit

compiler file

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