reorganize this source code $/******$ Header definitions $******/\%\{$

#include #include #include $//$ function prototypes from lex int yyerror$($char $*$s$)$; int yylex$($void$)$; $//$ addString func added$$ int addString$($char$*$ str$)$;$$ int debug$=0$; $//$ set to $1$ to turn on extra printing $/*$ Not used in this code, but this can be used in Compiler $1$to save the constant strings that need output in the$$data section of the assembly output $*/$ char$*$ savedStrings$[100]$; int lastStringIndex$=0$; void outputDataSec$()$; $\%\}/*$ token value data types $*/\%$union $\{$ int ival; char$*$ str; $\}/*$ Starting non$-$terminal $*/\%$start wholeprogram$\%$type program functions function statements statement funcall arguments argument expression $/*$ Token types $*/\%$token KWPROGRAM KWCALL ID STRING KWFUNCTION $\%$token LBRACE RBRACE SEMICOLON LPAREN RPAREN COMMA NUMBER $\%$token PLUS $\%\%/*******$ Rules $*******/$ wholeprogram: functions program $\{//$int argRegNum $=0$; $$ if $($debug$)$ fprintf$($stderr$,$"wholeprogram rule

$")$; $$ printf$("$#

# RISC$-$V assembly output

#

$")$; $$ outputDataSec$()$; $$ printf$("$#

# Program instructions

#

$\backslash$t$.$text

program:

$\%$s$",$$$2)$; $$ printf$("\backslash$tli$\backslash$ta$0,0$

$\backslash$tli$\backslash$ta$7,93$

$\backslash$tecall

$")$; $$ printf$("$#

# Functions

#

$\%$s

$",$$$1)$; $$ printf$("$#

# Library functions

#

$")$; $$ printf$("$# Print a null$-$terminated string: arg: a$0==$ string address

printStr:

$\backslash$tli$\backslash$ta$7,4$

$\backslash$tecall

$\backslash$tret

$")$; $$ printf$("$# Print a decimal integer: arg: a$0==$ value

printInt:

$\backslash$tli$\backslash$ta$7,1$

$\backslash$tecall

$\backslash$tret

$")$; $\}$ program: KWPROGRAM LBRACE statements RBRACE $\{$if $($debug$)$ printf$("$yacc: program block

$")$; $//$ $$ $=$ "program block parsed"; $$$$ $=$ strdup$($$$3)$; $\}$ functions: function functions $\{$ if $($debug$)$ printf$("$yacc: multiple functions

$")$; $$ char $*$code $=($char$*)$ malloc$($strlen$($$$1)+$ strlen$($$$2)+8)$; $$ strcpy$($code$,$ $$1)$; $$ strcat$($code$,$ $$2)$; $$ $$ $=$ code; $\}|/*$ empty $*/\{$ if $($debug$)$ printf$("$yacc: no functions

$")$; $$ $$ $=$ strdup$("")$; $\}$ function: KWFUNCTION ID LPAREN RPAREN LBRACE statements RBRACE $\{$ if $($debug$)$ printf$("$yacc: function definition

$")$; $$ char $*$code $=($char$*)$ malloc$($strlen$($$$6)+128)$; $//$ Assembly code for function $$ sprintf$($code$,"\%$s:

$\%$s$\backslash$tret

$",$ $$2,$ $$6)$; $$ $$ $=$ code; $\}$ statements: statement statements$\{$if $($debug$)$ printf$("$yacc: multiple statements

$")$; $//$ join both statements $//$ space for both statements $$char $*$code $=($char$*)$ malloc$($strlen$($$$1)+$ strlen$($$$2)+8)$; $$strcpy$($code$,$ $$1)$; $$strcat$($code$,$ $$2)$; $$$$ $=$ code; $\}|/*$empty$*/\{$if $($debug$)$ printf$("$yacc: no statements

$")$; $$$$ $=$ strdup$("")$; $\}$ statement: funcall $\{$if $($debug$)$ printf$("$yacc: function call

$")$; $$$$ $=$ $$1$; $\}$ funcall: KWCALL ID LPAREN arguments RPAREN SEMICOLON $\{//$ if $($debug$)$ printf$("$function call!

$")$; $$if $($debug$)$ fprintf$($stderr$,$ "function call rule

$")$; $$ char $*$code $=($char$*)$ malloc$($strlen$($$$4)+$strlen$($$$2)+32)$; $//$ bytes of assembly code $$ sprintf$($code$,"\%$s$\backslash$tjal$\backslash$t$\%$s

$",$$$4,$$$2)$; $//$ RISC$-$V instruction $$ $$ $=$ code; $//$argRegNum $=0$; $\}$ arguments: $/*$ empty $*/\{$ $$