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printSymTable.c
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printSymTable.c
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// Group Number: 31
// MADHUR PANWAR 2016B4A70933P
// TUSSANK GUPTA 2016B3A70528P
// SALMAAN SHAHID 2016B4A70580P
// APURV BAJAJ 2016B3A70549P
// HASAN NAQVI 2016B5A70452P
#include <stdio.h>
#include <stdlib.h>
#include "symbolHash.h"
#include "symbolTableDef.h"
#include "symbolTable.h"
#include "util.h"
#include <string.h>
extern char *inverseMappingTable[];
int sno;
void printVarEntry(symTableNode *stNode, char *funcName, ASTNode *startNode, bool onlyArrayInfo, int level, FILE *fp) {
if(!onlyArrayInfo) {
fprintf(fp, "%-6d%-20s%-25s", sno, stNode->lexeme, funcName);
char scl[30];
sprintf(scl, "[%d,%d]", startNode->start_line_no, startNode->end_line_no);
// earlier width was printed only for VARIABLE and STAT_ARR, now we print for all
fprintf(fp, "%-15s%-8d", scl, stNode->info.var.vtype.width);
char *va, *sd, *ty;
if (stNode->info.var.vtype.vaType == VARIABLE) {
va = "No";
sd = "---";
} else {
va = "Yes";
if (stNode->info.var.vtype.vaType == STAT_ARR)
sd = "Static";
else
sd = "Dynamic";
}
fprintf(fp, "%-10s%-18s", va, sd);
ty = inverseMappingTable[stNode->info.var.vtype.baseType];
varType vt = stNode->info.var.vtype;
char rng[63];
switch (stNode->info.var.vtype.vaType) {
case VARIABLE:
sprintf(rng, "%s", "---");
break;
case STAT_ARR:
sprintf(rng, "[%d,%d]", vt.si.vt_num, vt.ei.vt_num);
break;
case DYN_L_ARR:
if (vt.si.vt_id != NULL)
sprintf(rng, "[%s,%d]", vt.si.vt_id->lexeme, vt.ei.vt_num);
else if(stNode->info.var.isIOlistVar)
sprintf(rng, "[%s,%d]", "---", vt.ei.vt_num);
else
sprintf(rng, "[%s,%d]", "NULL", vt.ei.vt_num);
break;
case DYN_R_ARR:
if (vt.ei.vt_id != NULL)
sprintf(rng, "[%d,%s]", vt.si.vt_num, vt.ei.vt_id->lexeme);
else if(stNode->info.var.isIOlistVar)
sprintf(rng, "[%d,%s]", vt.si.vt_num, "---");
else
sprintf(rng, "[%d,%s]", vt.si.vt_num, "NULL");
break;
case DYN_ARR:
if (vt.si.vt_id != NULL)
sprintf(rng, "[%s,", vt.si.vt_id->lexeme);
else if(stNode->info.var.isIOlistVar)
sprintf(rng, "[%s,", "---");
else
sprintf(rng, "[%s,", "NULL");
if (vt.ei.vt_id != NULL)
sprintf(rng + strlen(rng), "%s]", vt.ei.vt_id->lexeme);
else if(stNode->info.var.isIOlistVar)
sprintf(rng + strlen(rng), "%s]", "---");
else
sprintf(rng + strlen(rng), "%s]", "NULL");
break;
}
// earlier offset was printed only for VARIABLE and STAT_ARR, now we print for all
fprintf(fp, "%-20s%-10s%-7d%-7d\n", rng, ty, stNode->info.var.offset, level);
}
else{
if(stNode->info.var.vtype.vaType == VARIABLE){
return;
}
char scl[30];
sprintf(scl, "[%d,%d]", startNode->start_line_no, startNode->end_line_no);
fprintf(fp, "%-25s%-15s%-20s",funcName, scl,stNode->lexeme);
char *sd, *ty;
if (stNode->info.var.vtype.vaType == STAT_ARR)
sd = "Static";
else
sd = "Dynamic";
ty = inverseMappingTable[stNode->info.var.vtype.baseType];
varType vt = stNode->info.var.vtype;
char rng[50];
switch (stNode->info.var.vtype.vaType) {
case VARIABLE:
sprintf(rng, "%s", "---");
break;
case STAT_ARR:
sprintf(rng, "[%d,%d]", vt.si.vt_num, vt.ei.vt_num);
break;
case DYN_L_ARR:
if (vt.si.vt_id != NULL)
sprintf(rng, "[%s,%d]", vt.si.vt_id->lexeme, vt.ei.vt_num);
else if(stNode->info.var.isIOlistVar)
sprintf(rng, "[%s,%d]", "---", vt.ei.vt_num);
else
sprintf(rng, "[%s,%d]", "NULL", vt.ei.vt_num);
break;
case DYN_R_ARR:
if (vt.ei.vt_id != NULL)
sprintf(rng, "[%d,%s]", vt.si.vt_num, vt.ei.vt_id->lexeme);
else if(stNode->info.var.isIOlistVar)
sprintf(rng, "[%d,%s]", vt.si.vt_num, "---");
else
sprintf(rng, "[%d,%s]", vt.si.vt_num, "NULL");
break;
case DYN_ARR:
if (vt.si.vt_id != NULL)
sprintf(rng, "[%s,", vt.si.vt_id->lexeme);
else if(stNode->info.var.isIOlistVar)
sprintf(rng, "[%s,", "---");
else
sprintf(rng, "[%s,", "NULL");
if (vt.ei.vt_id != NULL)
sprintf(rng + strlen(rng), "%s]", vt.ei.vt_id->lexeme);
else if(stNode->info.var.isIOlistVar)
sprintf(rng + strlen(rng), "%s]", "---");
else
sprintf(rng + strlen(rng), "%s]", "NULL");
break;
}
fprintf(fp, "%-18s%-20s%-10s%-8d\n", sd, rng, ty, stNode->info.var.vtype.width);
}
}
void printSymbolTable(symbolTable* st, bool onlyArrayInfo, char *fname){
if(st == NULL)
return;
FILE *fp;
fname == NULL ? fp = stdout : (fp = fopen(fname,"w"));
if(fp == NULL) {
fprintf(stderr,"ERROR: Failed to open %s", fname);
return;
}
symTableNode *currSTN = NULL;
if(!onlyArrayInfo) {
fprintf(fp,
"\n\n####################################################################### SYMBOL TABLE "
"#######################################################################\n\n");
fprintf(fp, "%-6s%-20s%-25s%-15s%-8s%-10s%-18s%-20s%-10s%-7s%-7s\n", "S.NO.", "VARIABLE-NAME",
"SCOPE: MODULE-NAME", "SCOPE: LINES", "WIDTH", "IS ARRAY?", "STATIC/DYNAMIC", "RANGE", "TYPE", "OFFSET",
"LEVEL");
}
else {
fprintf(fp,
"\n\n######################################################################## ARRAY INFO "
"########################################################################\n\n");
fprintf(fp, "%-25s%-15s%-20s%-18s%-20s%-10s%-8s\n", "SCOPE: MODULE-NAME", "SCOPE: LINES", "ARRAY-NAME",
"STATIC/DYNAMIC", "RANGE", "TYPE", "WIDTH");
}
for(int i=0; i<SYMBOL_TABLE_SIZE; i++){
currSTN = (st->tb)[i];
while(currSTN != NULL){
sno = 1;
symTableNode *iohead = currSTN->info.func.inpPListHead;
while (iohead != NULL) {
printVarEntry(iohead, currSTN->lexeme, currSTN->info.func.st->startNode, onlyArrayInfo,0, fp);
sno++;
iohead = iohead->next;
}
iohead = currSTN->info.func.outPListHead;
while (iohead != NULL) {
printVarEntry(iohead, currSTN->lexeme, currSTN->info.func.st->startNode, onlyArrayInfo,0, fp);
sno++;
iohead = iohead->next;
}
printCurrSymTable(currSTN->info.func.st, onlyArrayInfo, 1, fp);
currSTN = currSTN->next;
if(!onlyArrayInfo)
fprintf(fp, "\n");
}
}
if(onlyArrayInfo)
fprintf(fp, "\n");
fprintf(fp,"########################################################################## ~ ** ~ ##########################################################################\n\n");
fprintf(fp,"NOTE: The variables which are undeclared and used as array ranges are stated as NULL under RANGE header.\n"
"\t The dynamic ranges of arrays in input list are printed as '---' because they are placeholders and not associated with any variable.\n");
fcloseSafe(fp);
}
void printCurrSymTable(symbolTable *st, bool onlyArrayInfo, int level, FILE *fp){
if(st == NULL)
return;
for(int i=0; i<SYMBOL_TABLE_SIZE; i++){
symTableNode *currSTN = (st->tb)[i];
while(currSTN != NULL){
printVarEntry(currSTN, st->funcName, st->startNode,onlyArrayInfo, level, fp);
currSTN = currSTN->next;
sno++;
}
}
symbolTable *childst = st->headChild;
while(childst != NULL){
printCurrSymTable(childst,onlyArrayInfo,level + 1,fp);
childst = childst->next;
}
}
/*
* ----------------------------------------- Helper functions for driver ------------------------------------------------
*/
void printARSizes(symbolTable *funcTable, char *fname){
if(funcTable == NULL)
return;
FILE *fp;
fname == NULL ? fp = stdout : (fp = fopen(fname,"w"));
if(fp == NULL) {
fprintf(stderr,"ERROR: Failed to open %s", fname);
return;
}
fprintf(fp,"\n%-30s %-12s\n", "FUNCTION NAME", "AR SIZE");
for(int i = 0; i < SYMBOL_TABLE_SIZE; i++){
symTableNode *currSTN = (funcTable->tb)[i];
while(currSTN != NULL) {
if (!currSTN->info.func.st) // function only declared and not defined
fprintf(fp, "%-30s %-12s\n", currSTN->lexeme, "NOT DEFINED");
else
fprintf(fp, "%-30s %-4d\n", currSTN->lexeme, currSTN->info.func.st->scopeSize);
currSTN = currSTN->next; // explore all functions hashed to current slot i
}
}
fprintf(fp, "\nNOTE: The Activation Record (AR) size does not include width of input and output parameters of each function."
"\n Only the variables defined in local scope constitute the AR.\n");
fcloseSafe(fp);
}