69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
#ifndef _PARSE_PARSE_H_
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#define _PARSE_PARSE_H_
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#include <ivy/asm/lex.h>
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#include <blue/core/queue.h>
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#define __TOK_PARSER_INDEX(x) ((x)-__IVY_ASM_TOK_INDEX_BASE)
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#define __SYM_PARSER_INDEX(x) ((x)-__IVY_ASM_SYM_INDEX_BASE)
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#define __KW_PARSER_INDEX(x) ((x)-__IVY_ASM_KW_INDEX_BASE)
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#define __TOK_PARSER_FALLBACK_INDEX IVY_ASM_TOK_NONE
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#define __SYM_PARSER_FALLBACK_INDEX IVY_ASM_SYM_NONE
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#define __KW_PARSER_FALLBACK_INDEX IVY_ASM_KW_NONE
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#define TOK_PARSER(id, func) [__TOK_PARSER_INDEX(IVY_ASM_TOK_##id)] = func
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#define SYM_PARSER(id, func) [__SYM_PARSER_INDEX(IVY_ASM_SYM_##id)] = func
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#define KW_PARSER(id, func) [__KW_PARSER_INDEX(IVY_ASM_KW_##id)] = func
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#define TOK_PARSER_FALLBACK(func) [__TOK_PARSER_FALLBACK_INDEX] = func
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#define SYM_PARSER_FALLBACK(func) [__SYM_PARSER_FALLBACK_INDEX] = func
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#define KW_PARSER_FALLBACK(func) [__KW_PARSER_FALLBACK_INDEX] = func
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struct ivy_asm_parser;
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enum parser_state_type_id {
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ASM_PARSER_NONE = 0,
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ASM_PARSER_UNIT,
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ASM_PARSER_CLASS,
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ASM_PARSER_CONSTPOOL,
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ASM_PARSER_IMPORT,
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ASM_PARSER_BLOCK,
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ASM_PARSER_SELECTOR,
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ASM_PARSER_IDENT,
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ASM_PARSER_ATOM,
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};
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typedef enum ivy_status (*token_parse_function)(
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struct ivy_asm_parser *, struct ivy_asm_token *);
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struct parser_state_type {
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size_t n_state_size;
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void (*n_init_state)(struct ivy_asm_parser *, struct parser_state *);
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void (*n_finish_state)(struct ivy_asm_parser *, struct parser_state *);
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enum ivy_status (*n_add_child)(
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struct parser_state *, struct ivy_ast_node *);
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token_parse_function n_token_parsers[__TOK_PARSER_INDEX(__IVY_ASM_TOK_INDEX_LIMIT)];
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token_parse_function n_keyword_parsers[__KW_PARSER_INDEX(__IVY_ASM_KW_INDEX_LIMIT)];
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token_parse_function n_symbol_parsers[__SYM_PARSER_INDEX(__IVY_ASM_SYM_INDEX_LIMIT)];
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};
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struct parser_state {
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b_queue_entry s_entry;
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const struct parser_state_type *s_type;
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void *s_previous_value;
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};
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struct ivy_asm_parser {
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struct ivy_assembler *p_assembler;
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b_queue p_state;
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};
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extern struct parser_state *asm_parser_push_state(struct ivy_asm_parser *parser, enum parser_state_type_id type);
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extern void asm_parser_pop_state(struct ivy_asm_parser *parser, void *ret);
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extern struct parser_state *asm_parser_get_state(struct ivy_asm_parser *parser);
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#endif
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