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parse.y
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%{
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "line.h"
extern FILE * yyin;
void yyerror(char *s);
bool intreg[10];
bool floatreg[10];
int switchglobal;
FILE*fp;
FILE*fil;
int canbreakarr[10][20];
int canbreakcount[10];
struct varrecord
{
char varname[100];
char vartype[100];
char finalname[100];
bool tag;
int level;
bool IsArr;
int dimcount;
int dim[100];
int moddim[100];
};
struct funcrecord
{
char name[100];
char type[100];
struct varrecord paramtable[100];
struct varrecord vartable[100];
int paramcount;
int varcount;
};
struct funcrecord functable[1000];
bool success=true;
int actfuncindex=0;
int canbreak=0;
int callfuncindex;
int globallevel=0;
void releasetemp(int i);
int newtemp();
int InArr(struct varrecord arr[],int size,char finder[]);
bool CheckVar (struct varrecord arr[],int size,char finder[],int level);
void PrintVars(struct varrecord a);
void PrintFuncs(struct funcrecord a);
void despace(char target[], char input[], int l);
void PrintFuncTable();
int stoi(char*s);
int nextquad=1;
char vars[100][100];
char types[100][100];
int sizes[100];
int totvars=0;
%}
%start START
%token SELECT
%token PRINT
%token INT
%token FLT
%token ID
%token SC
%token SP
%token COMMA
%token COLON
%token EQ
%token OR
%token AND
%token NOT
%token LT
%token LTE
%token GT
%token GTE
%token EQEQ
%token NEQ
%token PLUS
%token MINUS
%token MULT
%token DIV
%token MOD
%token OPT
%token CPT
%token OCURLY
%token CCURLY
%token IF
%token ELSE
%token FORT
%token WHILET
%token VOID
%token RET
%token SWITCHT
%token CASET
%token BREAK
%token DEFAULT
%token CSQ
%token OSQ
%token NUM
%token DOL
%union
{
struct attributes{
char vali[1000];
char type[1000];
int arr;
int ind;
int counter;
int countor;
int countand;
bool caseallow;
bool isarray;
int bplist[1000];
int bpcount;
int tempreg;
int quad;
int begin;
int bplist2[1000];
int bpcount2;
} vp;
};
%type<vp> F START INPUT FUNC_DECL FUNC_HEAD BODY RESULT_ID OPT DECLISTE CPT RESULT INT FLT VOID DECLIST COMMA DEC TYPE OCURLY SLIST CCURLY MSLIST S VAR_DECL ASSIGN IFELSE FOR WHILE INCRLEVEL FUNC_CALL SC RETURN SWITCH RET COR PARAMLIST PLIST WHILEXP WHILET MWHILE FOREXP FORT MFOR NFOR FORASSIGN IFEXP NIF MIF ELSE L IDS ARRS ARR ID BRLIST OSQ CSQ NUM EQ CAND OR AND CNOT NOT ECOMP LT LTE GT GTE NEQ EQEQ E PLUS MINUS T MULT DIV MOD SWITCHT CASES CASELIST MCASE DEFAULTE DEFAULT COLON CASE CASET NCASE IDTEMP SWITCHET CASETEMP FORBACK1 FORBACK2 CBODY ARRFUNC LISTFUNC CMARK ARRF ARRFLIST INPUTGLOBAL GLIST MGL NGL DOL
%%
START : INPUTGLOBAL
;
INPUTGLOBAL : MGL GLIST NGL INPUT
| NGL INPUT
;
NGL : {
actfuncindex=1;
}
;
MGL : {
strcpy(functable[0].name,"global");
strcpy(functable[0].type,"int");
}
;
GLIST : GLIST DOL VAR_DECL
| DOL VAR_DECL
;
INPUT : FUNC_DECL INPUT
| FUNC_DECL
;
FUNC_DECL : FUNC_HEAD BODY {
actfuncindex++;
globallevel=0;
char printer[1000];
backpatch($2.bplist,$2.bpcount,nextquad);
snprintf(printer,999,"func end");
GenQuad(printer);
}
| error SC { yyerrok;}
;
FUNC_HEAD : RESULT_ID OPT DECLISTE CPT {
globallevel++;
}
;
RESULT_ID : RESULT ID { functable[actfuncindex].paramcount=0;
functable[actfuncindex].varcount=0;
globallevel++;
strcpy(functable[actfuncindex].name,$2.vali);
char printer[1000];
snprintf(printer,999,"func begin %s",$2.vali);
GenQuad(printer);
}
;
RESULT : INT {strcpy(functable[actfuncindex].type,"int");}
| FLT {strcpy(functable[actfuncindex].type,"float");}
| VOID {strcpy(functable[actfuncindex].type,"void");}
;
DECLISTE : DECLIST
| ;
DECLIST : DECLIST COMMA DEC
| DEC
;
DEC : TYPE ID {
int finder;
finder = InArr(functable[actfuncindex].paramtable,functable[actfuncindex].paramcount,$2.vali);
if(finder!=-1)
{
char printer[1000];
snprintf(printer,999,"Parameter with name %s already declared.",$2.vali);
CallError(printer);
}
else
{
struct varrecord new_record;
strcpy(new_record.varname,$2.vali);
strcpy(new_record.vartype,$1.type);
new_record.tag=false;
new_record.level = globallevel;
new_record.IsArr = false;
new_record.dimcount = 0;
char finalname[1000];
snprintf(finalname,999,"%s_%d_%s_%d",new_record.varname,globallevel,functable[actfuncindex].name,functable[actfuncindex].paramcount);
strcpy(new_record.finalname,finalname);
functable[actfuncindex].paramtable[functable[actfuncindex].paramcount++]=new_record;
}
}
;
DEC : TYPE ARRFUNC {
int finder;
finder = InArr(functable[actfuncindex].paramtable,functable[actfuncindex].paramcount,$2.vali);
if(finder!=-1)
{
char printer[1000];
snprintf(printer,999,"Parameter with name %s already declared.",$2.vali);
CallError(printer);
}
else
{
struct varrecord new_record;
strcpy(new_record.varname,$2.vali);
strcpy(new_record.vartype,$1.type);
new_record.tag=false;
new_record.level = globallevel;
new_record.IsArr = true;
new_record.dimcount = $2.counter;
char finalname[1000];
snprintf(finalname,999,"%s_%d_%s_%d",new_record.varname,globallevel,functable[actfuncindex].name,functable[actfuncindex].paramcount);
strcpy(new_record.finalname,finalname);
functable[actfuncindex].paramtable[functable[actfuncindex].paramcount++]=new_record;
}
}
;
ARRFUNC : ID LISTFUNC {strcpy($$.vali,$1.vali);
$$.counter=$2.counter;}
;
LISTFUNC : LISTFUNC OSQ CSQ {$$.counter=$1.counter+1;}
| OSQ CSQ {$$.counter=1;}
;
BODY : OCURLY SLIST CCURLY {
int counter=0;
int i;
for(i=functable[actfuncindex].varcount-1;i>=0;i--)
{
if(functable[actfuncindex].vartable[i].level==globallevel)
counter++;
}
functable[actfuncindex].varcount -= counter;
globallevel--;
$$.bpcount=0;
for(int i=0;i<$2.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$2.bplist[i];
}
}
;
SLIST : SLIST MSLIST S {
backpatch($1.bplist,$1.bpcount,$2.quad);
$$.bpcount=0;
for(int i=0;i<$3.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$3.bplist[i];
}
}
| S {
$$.bpcount=0;
for(int i=0;i<$1.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$1.bplist[i];
}
}
;
MSLIST : { $$.quad=nextquad;};
S: error SC { yyerrok;}
| VAR_DECL {}
| ASSIGN {}
| IFELSE {
$$.bpcount=0;
int i;
for( i=0;i<$1.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$1.bplist[i];
}
}
| FOR {
$$.bpcount=0;
int i;
for(i=0;i<canbreakcount[canbreak];i++)
{
$$.bplist[$$.bpcount++]=canbreakarr[canbreak][i];
}
canbreakcount[canbreak]=0;
canbreak--;
for( i=0;i<$1.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$1.bplist[i];
}
}
| WHILE {
$$.bpcount=0;
int i;
for(i=0;i<canbreakcount[canbreak];i++)
{
$$.bplist[$$.bpcount++]=canbreakarr[canbreak][i];
}
canbreakcount[canbreak]=0;
canbreak--;
for( i=0;i<$1.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$1.bplist[i];
}
}
| INCRLEVEL BODY {
$$.bpcount=0;
int i;
for( i=0;i<$2.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$2.bplist[i];
}
}
| FUNC_CALL SC {}
| RETURN SC {
}
| SWITCH {
$$.bpcount=0;
int i;
for(i=0;i<canbreakcount[canbreak];i++)
{
$$.bplist[$$.bpcount++]=canbreakarr[canbreak][i];
}
canbreakcount[canbreak]=0;
canbreak--;
for(i=0;i<$1.bpcount;i++){
$$.bplist[$$.bpcount++]=$1.bplist[i];
}
releaseint(switchglobal);
}
| BREAK SC {
if(canbreak==0)
{
CallError("Break can only occur within switch or loops.");
}
char printer[1000];
snprintf(printer,999,"goto _____");
canbreakarr[canbreak][canbreakcount[canbreak]++]=nextquad;
GenQuad(printer);
}
| PRINT OPT COR CPT SC {
char printer[1000];
backpatch($3.bplist,$3.bpcount,nextquad);
if(!strcmp($3.type,"errortype"))
{
CallError("Some error while calling print.");
}
else if(!strcmp($3.type,"int"))
{
snprintf(printer,999,"print(t%d)",$3.tempreg);
GenQuad(printer);
releaseint($3.tempreg);
}
else if(!strcmp($3.type,"float"))
{
snprintf(printer,999,"print(f%d)",$3.tempreg);
GenQuad(printer);
releasefloat($3.tempreg);
}
}
;
INCRLEVEL : {globallevel++;}
;
RETURN : RET {
if(strcmp(functable[actfuncindex].type,"void"))
{
CallWarning("No return value in non-void function.");
}
char printer[1000];
snprintf(printer,999,"return");
GenQuad(printer);
}
| RET COR {
if(!strcmp(functable[actfuncindex].type,"void"))
{
CallWarning("Return value in a void function.");
}
backpatch($2.bplist,$2.bpcount,nextquad);
char printer[1000];
if(!strcmp(functable[actfuncindex].type,"float"))
{
int temp2=$2.tempreg;
if(!strcmp($2.type,"int"))
{
temp2=newfloat();
snprintf(printer,999,"f%d = ConvertToFloat(t%d)",temp2,$2.tempreg);
releaseint($2.tempreg);
GenQuad(printer);
}
snprintf(printer,999,"return f%d",temp2);
GenQuad(printer);
releasefloat(temp2);
}
else
{
int temp2=$2.tempreg;
if(!strcmp($2.type,"float"))
{
temp2=newint();
snprintf(printer,999,"t%d = ConvertToInt(f%d)",temp2,$2.tempreg);
releasefloat($2.tempreg);
GenQuad(printer);
}
snprintf(printer,999,"return t%d",temp2);
GenQuad(printer);
releaseint(temp2);
}
}
;
FUNC_CALL : IDTEMP OPT PARAMLIST CPT {
if(callfuncindex!=-1 && functable[callfuncindex].paramcount!=$3.counter)
{
CallError("Number of parameters not matching.");
strcpy($$.type,"errortype");
}
else if(callfuncindex==-1)
{
strcpy($$.type,"errortype");
}
else
{
strcpy($$.type,functable[callfuncindex].type);
}
char printer[1000];
snprintf(printer,999,"call %s,%d",$1.vali,$3.counter+1);
GenQuad(printer);
int gettemp;
if(callfuncindex!=-1)
{
if(!strcmp(functable[callfuncindex].type,"int"))
{
gettemp=newint();
snprintf(printer,999,"refparam t%d",gettemp);
GenQuad(printer);
}
else if(!strcmp(functable[callfuncindex].type,"float"))
{
gettemp=newfloat();
snprintf(printer,999,"refparam f%d",gettemp);
GenQuad(printer);
}
else
gettemp=-1;
$$.tempreg=gettemp;
}
}
;
IDTEMP : ID {
int get=-1;
int i=0;
for(i=0;i<actfuncindex+1;i++)
{
if(!strcmp(functable[i].name,$1.vali))
{
get=i;
break;
}
}
if(get==-1)
{
CallError("No such function exists.");
callfuncindex=-1;
}
else
{
callfuncindex = get;
}
strcpy($$.vali,$1.vali);
}
;
PARAMLIST : PLIST {
$$.counter = $1.counter;
}
| {
$$.counter = 0;
}
;
PLIST : PLIST COMMA COR {
$$.counter++;
backpatch($3.bplist,$3.bpcount,nextquad);
char checktype[100];
if(callfuncindex!=-1)
strcpy(checktype,functable[callfuncindex].paramtable[$$.counter-1].vartype);
else{
strcpy(checktype,"errortype");
}
char printer[1000];
if(!strcmp($3.type,"int"))
{
if(!strcmp(checktype,"float"))
{
int gettemp = newfloat();
snprintf(printer,999,"f%d = ConvertToFloat(t%d)",gettemp,$3.tempreg);
GenQuad(printer);
releaseint($3.tempreg);
snprintf(printer,999,"param f%d",gettemp);
releasefloat(gettemp);
}
else
{
snprintf(printer,999,"param t%d",$3.tempreg);
releaseint($3.tempreg);
}
}
if(!strcmp($3.type,"float"))
{
if(!strcmp(checktype,"int"))
{
int gettemp = newint();
snprintf(printer,999,"t%d = ConvertToInt(f%d)",gettemp,$3.tempreg);
GenQuad(printer);
releasefloat($3.tempreg);
snprintf(printer,999,"param t%d",gettemp);
releaseint(gettemp);
}
else
{
snprintf(printer,999,"param f%d",$3.tempreg);
releasefloat($3.tempreg);
}
}
GenQuad(printer);
}
| COR {
$$.counter=1;
backpatch($1.bplist,$1.bpcount,nextquad);
char checktype[100];
if(callfuncindex!=-1)
strcpy(checktype,functable[callfuncindex].paramtable[$$.counter-1].vartype);
else
strcpy(checktype,"errortype");
char printer[1000];
if(!strcmp($1.type,"int"))
{
if(!strcmp(checktype,"float"))
{
int gettemp = newfloat();
snprintf(printer,999,"f%d = ConvertToFloat(t%d)",gettemp,$1.tempreg);
GenQuad(printer);
releaseint($1.tempreg);
snprintf(printer,999,"param f%d",gettemp);
releasefloat(gettemp);
}
else
{
snprintf(printer,999,"param t%d",$1.tempreg);
releaseint($1.tempreg);
}
}
if(!strcmp($1.type,"float"))
{
if(!strcmp(checktype,"int"))
{
int gettemp = newint();
snprintf(printer,999,"t%d = ConvertToInt(f%d)",gettemp,$1.tempreg);
GenQuad(printer);
releasefloat($1.tempreg);
snprintf(printer,999,"param t%d",gettemp);
releaseint(gettemp);
}
else
{
snprintf(printer,999,"param f%d",$1.tempreg);
releasefloat($1.tempreg);
}
}
GenQuad(printer);
}
;
WHILE : WHILEXP BODY {
char printer[1000];
snprintf(printer,999,"goto %d",$1.begin);
GenQuad(printer);
backpatch($2.bplist,$2.bpcount,$1.begin);
$$.bpcount=0;
int i;
for(i=0;i<$1.bpcount;i++)
$$.bplist[$$.bpcount++]=$1.bplist[i];
}
;
WHILEXP : WHILET MWHILE OPT COR CPT {
backpatch($4.bplist,$4.bpcount,nextquad);
int temp2=$4.tempreg;
char printer[1000];
if(!strcmp($4.type,"float"))
{
temp2=newint();
snprintf(printer,999,"t%d = ConvertToInt(f%d)",temp2,$4.tempreg);
releasefloat($4.tempreg);
GenQuad(printer);
}
snprintf(printer,999,"if(t%d == 0) goto _____",temp2);
$$.bpcount=0;
$$.bplist[$$.bpcount++]=nextquad;
GenQuad(printer);
releaseint(temp2);
$$.begin=$2.quad;
globallevel++; canbreak++;
}
;
MWHILE : { $$.quad=nextquad;}
;
FOR : FOREXP BODY {
char printer[1000];
snprintf(printer,999,"goto _____");
$2.bplist[$2.bpcount++]=nextquad;
GenQuad(printer);
backpatch($2.bplist,$2.bpcount,$1.quad);
$$.bpcount=0;
int i;
for(i=0;i<$1.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$1.bplist[i];
}
}
;
FOREXP : FORBACK1 FORBACK2 {globallevel++;canbreak++;
$$.quad=$2.quad;
char printer[1000];
snprintf(printer,999,"goto %d",$1.quad);
GenQuad(printer);
backpatch($1.bplist2,$1.bpcount2,nextquad);
$$.bpcount=0;
int i;
for(i=0;i<$1.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$1.bplist[i];
}
}
;
FORBACK1 : FORT OPT ASSIGN MFOR COR SC {
backpatch($5.bplist,$5.bpcount,nextquad);
int temp2=$5.tempreg;
char printer[1000];
if(!strcmp($5.type,"float"))
{
temp2=newint();
snprintf(printer,999,"t%d = ConvertToInt(f%d)",temp2,$5.tempreg);
releasefloat($5.tempreg);
GenQuad(printer);
}
snprintf(printer,999,"if(t%d == 0) goto _____",temp2);
$$.bpcount=0;
$$.bplist[$$.bpcount++]=nextquad;
GenQuad(printer);
releaseint(temp2);
$$.bpcount2=0;
$$.bplist2[$$.bpcount2++]=nextquad;
snprintf(printer,999,"goto _____");
GenQuad(printer);
$$.quad=$4.quad;
}
;
FORBACK2: NFOR FORASSIGN CPT { $$.quad=$1.quad;}
;
MFOR : { $$.quad=nextquad;}
;
NFOR : {$$.quad=nextquad;}
;
IFELSE : IFEXP BODY {
int i;
$$.bpcount=0;
for(i=0;i<$1.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$1.bplist[i];
}
for(i=0;i<$2.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$2.bplist[i];
}
}
| IFEXP BODY NIF ELSE MIF BODY {
backpatch($1.bplist,$1.bpcount,$5.quad);
$$.bpcount=0;
int i;
for(i=0;i<$2.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$2.bplist[i];
}
for(i=0;i<$3.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$3.bplist[i];
}
for(i=0;i<$6.bpcount;i++)
{
$$.bplist[$$.bpcount++]=$6.bplist[i];
}
}
;
NIF : {
char printer[1000];
snprintf(printer,999,"goto _____");
$$.bpcount=0;
$$.bplist[$$.bpcount++]=nextquad;
GenQuad(printer);
}
;
MIF : {$$.quad=nextquad;globallevel++;}
;
IFEXP : IF OPT COR CPT {
backpatch($3.bplist,$3.bpcount,nextquad);
char printer[1000];
globallevel ++;
int temp2=$3.tempreg;
if(!strcmp($3.type,"float"))
{
temp2=newint();
snprintf(printer,999,"t%d = ConvertToInt(f%d)",temp2,$3.tempreg);
releasefloat($3.tempreg);
GenQuad(printer);
}
snprintf(printer,999,"if(t%d == 0) goto _____",temp2);
$$.bpcount=0;
$$.bplist[$$.bpcount++]=nextquad;
GenQuad(printer);
releaseint(temp2);
}
;
VAR_DECL : TYPE L SC {
int i;
int ct = 1;
for(i=0;i<functable[actfuncindex].varcount;i++)
{
if(!strcmp(functable[actfuncindex].vartable[i].vartype,"-1"))
{
strcpy(functable[actfuncindex].vartable[i].vartype,$1.type);
strcpy(types[totvars-ct],$1.type);
ct--;
}
}
}
;
TYPE : INT {strcpy($$.type,"int");}
| FLT {strcpy($$.type,"float");}
;
L : L COMMA IDS
| IDS
| L COMMA ARRS
| ARRS
;
ARRS : ARR
;
ARR : ID BRLIST {
int finder;
int checker;
finder = InArr(functable[actfuncindex].paramtable,functable[actfuncindex].paramcount,$1.vali);
checker = InArr(functable[actfuncindex].vartable,functable[actfuncindex].varcount,$1.vali);
if(finder!=-1 && globallevel==2)
{
char printer[1000];
snprintf(printer,999,"Parameter with name %s already exists",$1.vali);
CallError(printer);
}
else if(checker!=-1 && functable[actfuncindex].vartable[checker].level==globallevel)
{
char printer[1000];
snprintf(printer,999,"Variable with name %s already exists in the current scope.",$1.vali);
CallError(printer);
}
else
{
strcpy(functable[actfuncindex].vartable[functable[actfuncindex].varcount].varname,$1.vali);
strcpy(functable[actfuncindex].vartable[functable[actfuncindex].varcount].vartype,"-1");
functable[actfuncindex].vartable[functable[actfuncindex].varcount].tag=true;
functable[actfuncindex].vartable[functable[actfuncindex].varcount].level=globallevel;
functable[actfuncindex].vartable[functable[actfuncindex].varcount].IsArr=true;
char finalname[1000];
snprintf(finalname,999,"%s_%d_%s",$1.vali,globallevel,functable[actfuncindex].name);
strcpy(vars[totvars],finalname);
strcpy(types[totvars],functable[actfuncindex].vartable[functable[actfuncindex].varcount].vartype);
int store = functable[actfuncindex].vartable[functable[actfuncindex].varcount].dimcount;
functable[actfuncindex].vartable[functable[actfuncindex].varcount].moddim[store-1]=1;
for(int j=store-2;j>=0;j--)
{
functable[actfuncindex].vartable[functable[actfuncindex].varcount].moddim[j] = functable[actfuncindex].vartable[functable[actfuncindex].varcount].moddim[j+1] * functable[actfuncindex].vartable[functable[actfuncindex].varcount].dim[j+1];
}
int prod=1;
int i=0;
for(i=0;i<functable[actfuncindex].vartable[functable[actfuncindex].varcount].dimcount;i++)
{
prod *= functable[actfuncindex].vartable[functable[actfuncindex].varcount].dim[i];
}
sizes[totvars]=prod;
totvars++;
strcpy(functable[actfuncindex].vartable[functable[actfuncindex].varcount].finalname,finalname);
functable[actfuncindex].varcount++;
}
}
;
BRLIST : BRLIST OSQ NUM CSQ {
int t = strlen($3.vali);
int i=0;
bool isf=false;
for(i=0;i<t;i++)
{
if($3.vali[i]=='.')
{
isf=true;
break;
}
}
bool isn = ($3.vali[0]=='-');
if(isf)
{
CallError("Array dimensions should be an integer");
}
if(isn)
{
CallError("Array dimensions should be an positive integer");
}
functable[actfuncindex].vartable[functable[actfuncindex].varcount].dim[functable[actfuncindex].vartable[functable[actfuncindex].varcount].dimcount++]=stoi($3.vali);
}
| OSQ NUM CSQ {
int t = strlen($2.vali);
int i=0;
bool isf=false;
for(i=0;i<t;i++)
{
if($2.vali[i]=='.')
{
isf=true;
break;
}
}
bool isn = ($2.vali[0]=='-');
if(isf)
{
CallError("Array dimensions should be an integer");
}
if(isn)
{
CallError("Array dimensions should be an positive integer");
}
functable[actfuncindex].vartable[functable[actfuncindex].varcount].dimcount=1;
functable[actfuncindex].vartable[functable[actfuncindex].varcount].dim[0]=stoi($2.vali);
}
;
IDS : ID {
int finder;
int checker;
finder = InArr(functable[actfuncindex].paramtable,functable[actfuncindex].paramcount,$1.vali);
checker = InArr(functable[actfuncindex].vartable,functable[actfuncindex].varcount,$1.vali);
if(finder!=-1 && globallevel==2)
{
char printer[1000];
snprintf(printer,999,"Parameter with name %s already exists",$1.vali);
CallError(printer);
}
else if(checker!=-1 && functable[actfuncindex].vartable[checker].level==globallevel)
{
char printer[1000];
snprintf(printer,999,"Variable with name %s already exists in the current scope.",$1.vali);
CallError(printer);
}
else
{
struct varrecord new_record;
strcpy(new_record.varname,$1.vali);
strcpy(new_record.vartype,"-1");
new_record.tag=true;
new_record.level = globallevel;
new_record.IsArr = false;
new_record.dimcount = 0;
char finalname[1000];
snprintf(finalname,999,"%s_%d_%s",new_record.varname,globallevel,functable[actfuncindex].name);
strcpy(vars[totvars],finalname);
strcpy(types[totvars],new_record.vartype);
sizes[totvars]=0;
totvars++;
strcpy(new_record.finalname,finalname);
functable[actfuncindex].vartable[functable[actfuncindex].varcount++]=new_record;
}
}
;