Symbol Tables - language feature

# https://eli.thegreenplace.net/2010/09/18/python-internals-symbol-tables-part-1

Example from C, C++, Objective-C, Tick C:

// Declare an external function
extern double bar(double x);

// Define a public function
double foo(int count)
{
    double  sum = 0.0;

    // Sum all the values bar(1) to bar(count)
    for (int i = 1;  i <= count;  i++)
        sum += bar((double) i);
    return sum;
}
// Symbol Table:
// Symbol name|Type|Scope
// bar|function, double|extern
// x|double|function parameter
// foo|function, double|global
// count|int|function parameter
// sum|double|block local
// i|int|for-loop statement

Example from Racket:

;; Some programming languages allow the symbol table to be manipulated at run-time, so that symbols can be added at any time.

Languages with Symbol Tables include Python, C, C++, Objective-C, Racket, Cython, Speedie, Tick C

This question asks: Does the compiler use symbol tables internally?

Read more about Symbol Tables on the web: 1.

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