#include <assert.h>
#include <string.h>
#include <stddef.h>
#include <stdint.h>
#include "types.h"
#include "token.h"

static char *tokennames[] = {
	[Tvoid] = "void",
	[Tint] = "int",
	[Treturn] = "return",
	[Tident] = "identifier",
	[Tconstant] = "constant",
	[Tlparen] = "(",
	[Trparen] = ")",
	[Tlbrace] = "{",
	[Trbrace] = "}",
	[Tsemicolon] = ";",
};

static_assert(sizeof(tokennames) / sizeof(char *) == Ntok, "token name map out of sync with tokens");

char *
tokname(enum tokentype type)
{
	return tokennames[type];
}

enum tokentype
findkeyword(char *name)
{
	enum tokentype t;

	for (t = Tvoid; t < Tident; t++) {
		if (!strcmp(name, tokennames[t]))
			return t;
	}
	return Txxx;
}