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#ifndef PARSE_H
#define PARSE_H
#include "arg.h"
#include "lex.h"
#include "storage.h"
struct u
{
struct storage *storage;
};
struct s
{
struct storage *storage;
};
union c
{
unsigned long long uv;
long long v;
};
struct p
{
struct fn *fn;
};
struct t
{
const struct type *alias;
};
struct ptr
{
const struct type *t;
};
struct ary
{
unsigned long long n;
int etc;
};
struct builtin
{
const char *name;
};
struct type
{
enum ttype {U, S, C, P, T, PTR, ARY, BUILTIN} type;
const struct tk *tk;
size_t sz, align;
int sign;
struct type *child, *next;
union
{
struct u u;
struct s s;
union c c;
struct p p;
struct t t;
struct ptr ptr;
struct ary ary;
struct builtin b;
} u;
};
struct sym
{
enum symtype
{
SYM_ID,
SYM_TMP,
SYM_LIT,
SYM_CAST,
SYM_NUM,
SYM_ADDR,
SYM_SZ,
SYM_CNT,
SYM_OFF
} type;
struct sym *child, *next, *parent;
const struct tk *tk;
union
{
const struct tmp *tmp;
const struct type *t;
struct
{
int sign;
union c c;
} num;
} u;
};
struct param
{
const struct tk *tk;
const struct stentry *entry;
};
struct pr
{
const struct tk *tk, *using, *returning;
struct param *params, *ret;
size_t nparams;
int variadic;
};
struct td
{
const struct tk *tk;
struct type *types;
};
struct tmp
{
struct tk tk;
struct stentry e;
struct tmp *next;
};
struct fn
{
const struct tk *tk, *im;
const struct fn *parent;
enum linkage {EXTERNAL, STATIC} linkage;
struct storage *lk, *ws, *gl;
struct stmt *stmts;
struct sym *syms;
struct tmp *tmps;
struct im *imps;
struct pr *pr;
struct td *td;
size_t nstmts, nimps, nblocks, ntmps, *blocks;
};
struct lit
{
char *name;
const struct tk *tk;
const struct fn *fn;
struct lit *next;
};
struct ast
{
const struct args *args;
const struct type *littype;
struct fn *fns;
struct lit *lits, *lastlit;
struct type *types;
size_t nfns, litcnt;
};
struct im
{
struct lex l;
struct ast ast;
};
int parse(const struct lex *l, struct ast *ast);
int parse_im(const struct lex *l, struct ast *ast);
void ast_free(struct ast *ast);
#endif
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