зеркало из https://github.com/github/ruby.git
134 строки
5.0 KiB
C
134 строки
5.0 KiB
C
#ifndef INTERNAL_PARSE_H /*-*-C-*-vi:se ft=c:*/
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#define INTERNAL_PARSE_H
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/**
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* @author Ruby developers <ruby-core@ruby-lang.org>
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* @copyright This file is a part of the programming language Ruby.
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* Permission is hereby granted, to either redistribute and/or
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* modify this file, provided that the conditions mentioned in the
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* file COPYING are met. Consult the file for details.
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* @brief Internal header for the parser.
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*/
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#include <limits.h>
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#include "rubyparser.h"
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#include "internal/static_assert.h"
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#ifdef UNIVERSAL_PARSER
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#define rb_encoding void
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#endif
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struct rb_iseq_struct; /* in vm_core.h */
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#define STRTERM_HEREDOC IMEMO_FL_USER0
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/* structs for managing terminator of string literal and heredocment */
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typedef struct rb_strterm_literal_struct {
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union {
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VALUE dummy;
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long nest;
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} u0;
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union {
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VALUE dummy;
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long func; /* STR_FUNC_* (e.g., STR_FUNC_ESCAPE and STR_FUNC_EXPAND) */
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} u1;
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union {
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VALUE dummy;
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long paren; /* '(' of `%q(...)` */
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} u2;
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union {
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VALUE dummy;
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long term; /* ')' of `%q(...)` */
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} u3;
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} rb_strterm_literal_t;
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#define HERETERM_LENGTH_BITS ((SIZEOF_VALUE - 1) * CHAR_BIT - 1)
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typedef struct rb_strterm_heredoc_struct {
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VALUE lastline; /* the string of line that contains `<<"END"` */
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long offset; /* the column of END in `<<"END"` */
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int sourceline; /* lineno of the line that contains `<<"END"` */
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unsigned length /* the length of END in `<<"END"` */
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#if HERETERM_LENGTH_BITS < SIZEOF_INT * CHAR_BIT
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: HERETERM_LENGTH_BITS
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# define HERETERM_LENGTH_MAX ((1U << HERETERM_LENGTH_BITS) - 1)
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#else
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# define HERETERM_LENGTH_MAX UINT_MAX
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#endif
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;
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#if HERETERM_LENGTH_BITS < SIZEOF_INT * CHAR_BIT
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unsigned quote: 1;
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unsigned func: 8;
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#else
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uint8_t quote;
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uint8_t func;
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#endif
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} rb_strterm_heredoc_t;
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STATIC_ASSERT(rb_strterm_heredoc_t, sizeof(rb_strterm_heredoc_t) <= 4 * SIZEOF_VALUE);
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typedef struct rb_strterm_struct {
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VALUE flags;
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union {
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rb_strterm_literal_t literal;
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rb_strterm_heredoc_t heredoc;
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} u;
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} rb_strterm_t;
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/* parse.y */
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void rb_ruby_parser_mark(void *ptr);
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size_t rb_ruby_parser_memsize(const void *ptr);
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void rb_ruby_parser_set_options(rb_parser_t *p, int print, int loop, int chomp, int split);
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rb_parser_t *rb_ruby_parser_set_context(rb_parser_t *p, const struct rb_iseq_struct *base, int main);
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void rb_ruby_parser_keep_script_lines(rb_parser_t *p);
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void rb_ruby_parser_error_tolerant(rb_parser_t *p);
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rb_ast_t* rb_ruby_parser_compile_file_path(rb_parser_t *p, VALUE fname, VALUE file, int start);
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void rb_ruby_parser_keep_tokens(rb_parser_t *p);
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rb_ast_t* rb_ruby_parser_compile_generic(rb_parser_t *p, VALUE (*lex_gets)(VALUE, int), VALUE fname, VALUE input, int start);
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rb_ast_t* rb_ruby_parser_compile_string_path(rb_parser_t *p, VALUE f, VALUE s, int line);
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RUBY_SYMBOL_EXPORT_BEGIN
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VALUE rb_ruby_parser_encoding(rb_parser_t *p);
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int rb_ruby_parser_end_seen_p(rb_parser_t *p);
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int rb_ruby_parser_set_yydebug(rb_parser_t *p, int flag);
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RUBY_SYMBOL_EXPORT_END
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int rb_reg_named_capture_assign_iter_impl(struct parser_params *p, const char *s, long len, rb_encoding *enc, NODE **succ_block, const rb_code_location_t *loc);
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#ifdef RIPPER
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void ripper_parser_mark(void *ptr);
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void ripper_parser_free(void *ptr);
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size_t ripper_parser_memsize(const void *ptr);
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void ripper_error(struct parser_params *p);
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VALUE ripper_value(struct parser_params *p);
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int rb_ruby_parser_get_yydebug(rb_parser_t *p);
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void rb_ruby_parser_set_value(rb_parser_t *p, VALUE value);
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int rb_ruby_parser_error_p(rb_parser_t *p);
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VALUE rb_ruby_parser_debug_output(rb_parser_t *p);
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void rb_ruby_parser_set_debug_output(rb_parser_t *p, VALUE output);
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VALUE rb_ruby_parser_parsing_thread(rb_parser_t *p);
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void rb_ruby_parser_set_parsing_thread(rb_parser_t *p, VALUE parsing_thread);
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void rb_ruby_parser_ripper_initialize(rb_parser_t *p, VALUE (*gets)(struct parser_params*,VALUE), VALUE input, VALUE sourcefile_string, const char *sourcefile, int sourceline);
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VALUE rb_ruby_parser_result(rb_parser_t *p);
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rb_encoding *rb_ruby_parser_enc(rb_parser_t *p);
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VALUE rb_ruby_parser_ruby_sourcefile_string(rb_parser_t *p);
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int rb_ruby_parser_ruby_sourceline(rb_parser_t *p);
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int rb_ruby_parser_lex_state(rb_parser_t *p);
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void rb_ruby_ripper_parse0(rb_parser_t *p);
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int rb_ruby_ripper_dedent_string(rb_parser_t *p, VALUE string, int width);
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VALUE rb_ruby_ripper_lex_get_str(rb_parser_t *p, VALUE s);
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int rb_ruby_ripper_initialized_p(rb_parser_t *p);
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void rb_ruby_ripper_parser_initialize(rb_parser_t *p);
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long rb_ruby_ripper_column(rb_parser_t *p);
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long rb_ruby_ripper_token_len(rb_parser_t *p);
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VALUE rb_ruby_ripper_lex_lastline(rb_parser_t *p);
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VALUE rb_ruby_ripper_lex_state_name(struct parser_params *p, int state);
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struct parser_params *rb_ruby_ripper_parser_allocate(void);
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#endif
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#ifdef UNIVERSAL_PARSER
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#undef rb_encoding
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#endif
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#endif /* INTERNAL_PARSE_H */
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