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Symbol_table.cpp
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Symbol_table.cpp
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef struct {
char name[20];
int value;
} SymbolEntry;
SymbolEntry symbolTable[100];
int symbolCount = 0;
void addToSymbolTable(char *name, int value) {
for (int i = 0; i < symbolCount; i++) {
if (strcmp(symbolTable[i].name, name) == 0) {
printf("Error: Symbol '%s' already exists in the table.\n", name);
return;
}
}
strcpy(symbolTable[symbolCount].name, name);
symbolTable[symbolCount].value = value;
symbolCount++;
printf("Added symbol '%s' with value %d to the table.\n", name, value);
}
int searchSymbol(char *name) {
for (int i = 0; i < symbolCount; i++) {
if (strcmp(symbolTable[i].name, name) == 0) {
return symbolTable[i].value;
}
}
printf("Symbol '%s' not found in the table.\n", name);
return -1;
}
int main() {
addToSymbolTable("x", 10);
addToSymbolTable("y", 20);
addToSymbolTable("x", 20);
printf("Value of symbol 'x': %d\n", searchSymbol("x"));
printf("Value of symbol 'y': %d\n", searchSymbol("y"));
printf("Value of symbol 'z': %d\n", searchSymbol("z"));
return 0;
}