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Diffstat (limited to '')
| -rw-r--r-- | web/server/h2o/libh2o/deps/mruby/include/mruby/compile.h | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/deps/mruby/include/mruby/compile.h b/web/server/h2o/libh2o/deps/mruby/include/mruby/compile.h new file mode 100644 index 00000000..d1ff0530 --- /dev/null +++ b/web/server/h2o/libh2o/deps/mruby/include/mruby/compile.h @@ -0,0 +1,195 @@ +/* +** mruby/compile.h - mruby parser +** +** See Copyright Notice in mruby.h +*/ + +#ifndef MRUBY_COMPILE_H +#define MRUBY_COMPILE_H + +#include "common.h" + +/** + * MRuby Compiler + */ +MRB_BEGIN_DECL + +#include <mruby.h> + +struct mrb_jmpbuf; + +struct mrb_parser_state; +/* load context */ +typedef struct mrbc_context { + mrb_sym *syms; + int slen; + char *filename; + short lineno; + int (*partial_hook)(struct mrb_parser_state*); + void *partial_data; + struct RClass *target_class; + mrb_bool capture_errors:1; + mrb_bool dump_result:1; + mrb_bool no_exec:1; + mrb_bool keep_lv:1; + mrb_bool no_optimize:1; + + size_t parser_nerr; +} mrbc_context; + +MRB_API mrbc_context* mrbc_context_new(mrb_state *mrb); +MRB_API void mrbc_context_free(mrb_state *mrb, mrbc_context *cxt); +MRB_API const char *mrbc_filename(mrb_state *mrb, mrbc_context *c, const char *s); +MRB_API void mrbc_partial_hook(mrb_state *mrb, mrbc_context *c, int (*partial_hook)(struct mrb_parser_state*), void*data); + +/* AST node structure */ +typedef struct mrb_ast_node { + struct mrb_ast_node *car, *cdr; + uint16_t lineno, filename_index; +} mrb_ast_node; + +/* lexer states */ +enum mrb_lex_state_enum { + EXPR_BEG, /* ignore newline, +/- is a sign. */ + EXPR_END, /* newline significant, +/- is an operator. */ + EXPR_ENDARG, /* ditto, and unbound braces. */ + EXPR_ENDFN, /* ditto, and unbound braces. */ + EXPR_ARG, /* newline significant, +/- is an operator. */ + EXPR_CMDARG, /* newline significant, +/- is an operator. */ + EXPR_MID, /* newline significant, +/- is an operator. */ + EXPR_FNAME, /* ignore newline, no reserved words. */ + EXPR_DOT, /* right after '.' or '::', no reserved words. */ + EXPR_CLASS, /* immediate after 'class', no here document. */ + EXPR_VALUE, /* alike EXPR_BEG but label is disallowed. */ + EXPR_MAX_STATE +}; + +/* saved error message */ +struct mrb_parser_message { + int lineno; + int column; + char* message; +}; + +#define STR_FUNC_PARSING 0x01 +#define STR_FUNC_EXPAND 0x02 +#define STR_FUNC_REGEXP 0x04 +#define STR_FUNC_WORD 0x08 +#define STR_FUNC_SYMBOL 0x10 +#define STR_FUNC_ARRAY 0x20 +#define STR_FUNC_HEREDOC 0x40 +#define STR_FUNC_XQUOTE 0x80 + +enum mrb_string_type { + str_not_parsing = (0), + str_squote = (STR_FUNC_PARSING), + str_dquote = (STR_FUNC_PARSING|STR_FUNC_EXPAND), + str_regexp = (STR_FUNC_PARSING|STR_FUNC_REGEXP|STR_FUNC_EXPAND), + str_sword = (STR_FUNC_PARSING|STR_FUNC_WORD|STR_FUNC_ARRAY), + str_dword = (STR_FUNC_PARSING|STR_FUNC_WORD|STR_FUNC_ARRAY|STR_FUNC_EXPAND), + str_ssym = (STR_FUNC_PARSING|STR_FUNC_SYMBOL), + str_ssymbols = (STR_FUNC_PARSING|STR_FUNC_SYMBOL|STR_FUNC_ARRAY), + str_dsymbols = (STR_FUNC_PARSING|STR_FUNC_SYMBOL|STR_FUNC_ARRAY|STR_FUNC_EXPAND), + str_heredoc = (STR_FUNC_PARSING|STR_FUNC_HEREDOC), + str_xquote = (STR_FUNC_PARSING|STR_FUNC_XQUOTE|STR_FUNC_EXPAND), +}; + +/* heredoc structure */ +struct mrb_parser_heredoc_info { + mrb_bool allow_indent:1; + mrb_bool line_head:1; + enum mrb_string_type type; + const char *term; + int term_len; + mrb_ast_node *doc; +}; + +#define MRB_PARSER_TOKBUF_MAX 65536 +#define MRB_PARSER_TOKBUF_SIZE 256 + +/* parser structure */ +struct mrb_parser_state { + mrb_state *mrb; + struct mrb_pool *pool; + mrb_ast_node *cells; + const char *s, *send; +#ifndef MRB_DISABLE_STDIO + FILE *f; +#endif + mrbc_context *cxt; + char const *filename; + int lineno; + int column; + + enum mrb_lex_state_enum lstate; + mrb_ast_node *lex_strterm; /* (type nest_level beg . end) */ + + unsigned int cond_stack; + unsigned int cmdarg_stack; + int paren_nest; + int lpar_beg; + int in_def, in_single; + mrb_bool cmd_start:1; + mrb_ast_node *locals; + + mrb_ast_node *pb; + char *tokbuf; + char buf[MRB_PARSER_TOKBUF_SIZE]; + int tidx; + int tsiz; + + mrb_ast_node *all_heredocs; /* list of mrb_parser_heredoc_info* */ + mrb_ast_node *heredocs_from_nextline; + mrb_ast_node *parsing_heredoc; + mrb_ast_node *lex_strterm_before_heredoc; + mrb_bool heredoc_end_now:1; /* for mirb */ + + void *ylval; + + size_t nerr; + size_t nwarn; + mrb_ast_node *tree; + + mrb_bool no_optimize:1; + mrb_bool capture_errors:1; + struct mrb_parser_message error_buffer[10]; + struct mrb_parser_message warn_buffer[10]; + + mrb_sym* filename_table; + size_t filename_table_length; + int current_filename_index; + + struct mrb_jmpbuf* jmp; +}; + +MRB_API struct mrb_parser_state* mrb_parser_new(mrb_state*); +MRB_API void mrb_parser_free(struct mrb_parser_state*); +MRB_API void mrb_parser_parse(struct mrb_parser_state*,mrbc_context*); +MRB_API double mrb_float_read(const char*, char**); + +MRB_API void mrb_parser_set_filename(struct mrb_parser_state*, char const*); +MRB_API char const* mrb_parser_get_filename(struct mrb_parser_state*, uint16_t idx); + +/* utility functions */ +#ifndef MRB_DISABLE_STDIO +MRB_API struct mrb_parser_state* mrb_parse_file(mrb_state*,FILE*,mrbc_context*); +#endif +MRB_API struct mrb_parser_state* mrb_parse_string(mrb_state*,const char*,mrbc_context*); +MRB_API struct mrb_parser_state* mrb_parse_nstring(mrb_state*,const char*,size_t,mrbc_context*); +MRB_API struct RProc* mrb_generate_code(mrb_state*, struct mrb_parser_state*); +MRB_API mrb_value mrb_load_exec(mrb_state *mrb, struct mrb_parser_state *p, mrbc_context *c); + +/* program load functions */ +#ifndef MRB_DISABLE_STDIO +MRB_API mrb_value mrb_load_file(mrb_state*,FILE*); +MRB_API mrb_value mrb_load_file_cxt(mrb_state*,FILE*, mrbc_context *cxt); +#endif +MRB_API mrb_value mrb_load_string(mrb_state *mrb, const char *s); +MRB_API mrb_value mrb_load_nstring(mrb_state *mrb, const char *s, size_t len); +MRB_API mrb_value mrb_load_string_cxt(mrb_state *mrb, const char *s, mrbc_context *cxt); +MRB_API mrb_value mrb_load_nstring_cxt(mrb_state *mrb, const char *s, size_t len, mrbc_context *cxt); + +/** @} */ +MRB_END_DECL + +#endif /* MRUBY_COMPILE_H */ |