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/*
* Copyright (C) 2020-2021 Jo-Philipp Wich <jo@mein.io>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef __COMPILER_H_
#define __COMPILER_H_
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#ifdef JSONC
#include <json.h>
#else
#include <json-c/json.h>
#endif
#include "source.h"
#include "lexer.h"
#include "types.h"
#include "util.h"
typedef enum {
P_NONE,
P_COMMA, /* , */
P_ASSIGN, /* = += -= *= /= %= <<= >>= &= ^= |= */
P_TERNARY, /* ?: */
P_OR, /* || */
P_AND, /* && */
P_BOR, /* | */
P_BXOR, /* ^ */
P_BAND, /* & */
P_EQUAL, /* === !== == != */
P_COMPARE, /* < <= > >= in */
P_SHIFT, /* << >> */
P_ADD, /* + - */
P_MUL, /* * / % */
P_UNARY, /* ! ~ +… -… ++… --… */
P_INC, /* …++ …-- */
P_CALL, /* ….…, …[…], …(…) */
P_PRIMARY /* (…) */
} uc_precedence_t;
struct uc_patchlist {
struct uc_patchlist *parent;
size_t depth, count, *entries;
};
typedef struct uc_patchlist uc_patchlist;
typedef struct {
uc_value_t *name;
ssize_t depth;
size_t from;
bool captured;
bool constant;
} uc_local;
typedef struct {
uc_value_t *name;
size_t index;
bool local;
bool constant;
} uc_upval;
uc_declare_vector(uc_locals, uc_local);
uc_declare_vector(uc_upvals, uc_upval);
uc_declare_vector(uc_jmplist, size_t);
typedef struct {
uc_parse_config *config;
uc_lexer lex;
uc_token prev, curr;
bool synchronizing;
uc_stringbuf_t *error;
} uc_parser;
struct uc_compiler {
struct uc_compiler *parent;
uc_locals locals;
uc_upvals upvals;
uc_patchlist *patchlist;
uc_value_t *function;
uc_parser *parser;
size_t scope_depth, current_srcpos, last_insn;
};
typedef struct uc_compiler uc_compiler;
typedef struct {
void (*prefix)(uc_compiler *, bool);
void (*infix)(uc_compiler *, bool);
uc_precedence_t precedence;
} uc_parse_rule;
uc_function_t *uc_compile(uc_parse_config *config, uc_source *source, char **errp);
#endif /* __COMPILER_H_ */
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