#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "base.c"

int main() {
    typedef struct {
        char *name;
        char *serialized_operator;
    } Task;
    Task kinds[] = {
        {"EOF",                0},
        {"ERROR",              0},

        {"IDENT",              0},
        {"KEYWORD",            0},
        {"INT",                0},
        {"FLOAT",              0},
        {"CHAR",               0},
        {"STRING",             0},

        {"LPAREN",            "("},
        {"RPAREN",            ")"},
        {"LBRACKET",          "["},
        {"RBRACKET",          "]"},
        {"LBRACE",            "{"},
        {"RBRACE",            "}"},
        {"COMMA",             ","},
        {"DOT",               "."},
        {"ARROW",             "->"},
        {"ELLIPSIS",          "..."},
        {"COLON",             ":"},
        {"SEMICOLON",         ";"},
        {"QUESTION",          "?"},
        {"HASH",              "#"},
        {"HASHHASH",          "##"},

        {"PLUS",              "+"},
        {"MINUS",             "-"},
        {"STAR",              "*"},
        {"SLASH",             "/"},
        {"PERCENT",           "%"},
        {"INC",               "++"},
        {"DEC",               "--"},

        {"ASSIGN",            "="},
        {"PLUS_ASSIGN",       "+="},
        {"MINUS_ASSIGN",      "-="},
        {"MUL_ASSIGN",        "*="},
        {"DIV_ASSIGN",        "/="},
        {"MOD_ASSIGN",        "%="},
        {"LSHIFT_ASSIGN",     "<<="},
        {"RSHIFT_ASSIGN",     ">>="},
        {"AND_ASSIGN",        "&="},
        {"XOR_ASSIGN",        "^="},
        {"OR_ASSIGN",         "|="},

        {"EQ",                "=="},
        {"NEQ",               "!="},
        {"LT",                "<"},
        {"LEQ",               "<="},
        {"GT",                ">"},
        {"GEQ",               ">="},

        {"NOT",               "!"},
        {"BITNOT",            "~"},
        {"BITAND",            "&"},
        {"BITOR",             "|"},
        {"BITXOR",            "^"},
        {"AND",               "&&"},
        {"OR",                "||"},
        {"LSHIFT",            "<<"},
        {"RSHIFT",            ">>"},
    };

    printf("// auto generated by meta.c\n");

    printf("typedef enum {\n");
    for (int i = 0; i < ilen(kinds); i += 1) {
        printf("    TOK_%s,\n", kinds[i].name);
    }
    printf("} Token_Kind;\n");

    printf("char *token_to_op(Token_Kind kind) {\n");
    printf("    switch (kind) {\n");
    for (int i = 0; i < ilen(kinds); i += 1) {
        if (kinds[i].serialized_operator) {
            printf("        case TOK_%s: return \"%s\";\n", kinds[i].name, kinds[i].serialized_operator);
        }
    }
    printf("        default: return 0;\n");
    printf("    }\n");
    printf("}\n");

    printf("char *token_to_name(Token_Kind kind) {\n");
    printf("    switch (kind) {\n");
    for (int i = 0; i < ilen(kinds); i += 1) {
        if (kinds[i].name) {
            printf("        case TOK_%s: return \"%s\";\n", kinds[i].name, kinds[i].name);
        }
    }
    printf("        default: return \"<invalid-token-kind>\";\n");
    printf("    }\n");
    printf("}\n");
}