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

void
printEnumHeader(FILE *out)
{
    fprintf(out, "enum TokenKind\n");
    fprintf(out, "{\n");
}

void
printEnumFooter(FILE *out)
{
    fprintf(out, "};\n");
}

void
usage(const char *prg)
{
    fprintf(stderr, "usage: %s input output\n", prg);
    exit(1);
}

int
main(int argc, char *argv[])
{
    if (argc != 3) {
        usage(argv[0]);
    }

    FILE *in = fopen(argv[1], "r");
    FILE *outEnum = fopen(argv[2], "w");

    if (!in) {
        fprintf(stderr, "can not open input file '%s'\n", argv[1]);
    }
    if (!outEnum) {
        fprintf(stderr, "can not open output file '%s'\n", argv[2]);
    }

    printEnumHeader(outEnum);

    char *line = 0;
    size_t capacity = 0;
    ssize_t len;
    while ((len = getline(&line, &capacity, in)) > 0) {
        line[len - 1] = 0;
        fprintf(outEnum, "%*s%s,\n", 4, "", line);

    }
    free(line);

    printEnumFooter(outEnum);

    fclose(in);
    fclose(outEnum);
}