University-Basics-of-Programming-Languages/Exercise 2/C/TestLexer.c

#include <stdio.h>
#include "Lexer.h"

int start(char* sourcecode) {
    // if (sourcecode != NULL) {
    //     return _GET_NEXT_CHARACTER_;
    // } else {
    //     return _STOP_;
    // }

    return _STOP_; // placeholder
}

int getNextCharacter() {
    return _STOP_; // placeholder
}

int readIdentifier() {
    return _STOP_; // placeholder
}

int readNumLit() {
    return _STOP_; // placeholder
}

int readOperator() {
    return _STOP_; // placeholder
}

int readPunctuation() {
    return _STOP_; // placeholder
}

int main() {
    char* sourcecode = "Hello World the second - I coded this before. So yeah, FOXES ARE SUPERIOR.\nBut the professor wants us to write the following: \"index = 2 * count + 42;\"\n\n";
    printf(sourcecode);

    int lexer_state = _START_;
    do {
        switch (lexer_state) {
            case _START_:
                lexer_state = start(sourcecode);
                break;
            case _GET_NEXT_CHARACTER_:
                lexer_state = getNextCharacter();
                break;
            case _READ_IDENTIFIER_:
                lexer_state = readIdentifier();
                break;
            case _READ_NUM_LIT_:
                lexer_state = readNumLit();
                break;
            case _READ_OPERATOR_:
                lexer_state = readOperator();
                break;
            case _READ_PUNCTUATION_:
                lexer_state = readPunctuation();
                break;
            default: lexer_state = _ERROR_;
        }
    } while (lexer_state != _STOP_);

    printf("Lexer exited with code ");
    // printf(lexer_state);

    return 0;
}