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#include "type.h"
#include "parse.h"
#include <string.h>

const struct type *type_find(const struct fn *fn, const char *s)
{
    static const struct type builtins[] =
    {
        {.type = BUILTIN, .u.b.name = "void"},
        {.type = BUILTIN, .u.b.name = "byte", .sz = 1, .sign = 1},
        {.type = BUILTIN, .u.b.name = "halfword", .sz = 2, .sign = 1},
        {.type = BUILTIN, .u.b.name = "word", .sz = 4, .sign = 1},
        {.type = BUILTIN, .u.b.name = "long", .sz = 8, .sign = 1},
        {.type = BUILTIN, .u.b.name = "ubyte", .sz = 1},
        {.type = BUILTIN, .u.b.name = "uhalfword", .sz = 2},
        {.type = BUILTIN, .u.b.name = "uword", .sz = 4},
        {.type = BUILTIN, .u.b.name = "ulong", .sz = 8}
    };

    const struct td *td = fn->td;

    for (size_t i = 0; i < sizeof builtins / sizeof *builtins; i++)
    {
        const struct type *t = &builtins[i];

        if (!strcmp(t->u.b.name, s))
            return t;
    }

    if (td)
        for (size_t i = 0; i < td->ntypes; i++)
        {
            const struct type *t = &td->types[i];

            if (!strcmp(t->tk->s, s))
                return t;
        }

    return NULL;
}