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#include "token.h"
#include <stdio.h>
#include <stdlib.h>

extern Token* tokenize(const char* expr, int* tokenCount);

int main() {
    const char* expression = "3 + 4.5 * 2 - (1 / 2)";
    int tokenCount = 0;
    Token* tokens = tokenize(expression, &tokenCount);

    if (tokens == NULL) {
        printf("Error tokenizing expression.\n");
        return 1;
    }

    printf("Tokenized Expression:\n");
    for (int i = 0; i < tokenCount; ++i) {
        if (tokens[i].type == TOKEN_NUMBER) {
            printf("Number: %f\n", tokens[i].value);
        } else if (tokens[i].type == TOKEN_OPERATOR) {
            printf("Operator: %c\n", tokens[i].op);
        } else if (tokens[i].type == TOKEN_LPAREN) {
            printf("Left Parenthesis\n");
        } else if (tokens[i].type == TOKEN_RPAREN) {
            printf("Right Parenthesis\n");
        }
    }

    free(tokens);
    return 0;
}