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mbed I/F binding for mruby

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include/mruby/compile.h@0:158c61bb030f, 2015-03-25 (annotated)

Committer:
mzta
Date:
Wed Mar 25 17:36:16 2015 +0000
Revision:
0:158c61bb030f
mirb_mbed initial commit;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mzta 0:158c61bb030f 1 /*
mzta 0:158c61bb030f 2 ** mruby/compile.h - mruby parser
mzta 0:158c61bb030f 3 **
mzta 0:158c61bb030f 4 ** See Copyright Notice in mruby.h
mzta 0:158c61bb030f 5 */
mzta 0:158c61bb030f 6
mzta 0:158c61bb030f 7 #ifndef MRUBY_COMPILE_H
mzta 0:158c61bb030f 8 #define MRUBY_COMPILE_H
mzta 0:158c61bb030f 9
mzta 0:158c61bb030f 10 #if defined(__cplusplus)
mzta 0:158c61bb030f 11 extern "C" {
mzta 0:158c61bb030f 12 #endif
mzta 0:158c61bb030f 13
mzta 0:158c61bb030f 14 #include "mruby.h"
mzta 0:158c61bb030f 15
mzta 0:158c61bb030f 16 struct mrb_jmpbuf;
mzta 0:158c61bb030f 17
mzta 0:158c61bb030f 18 struct mrb_parser_state;
mzta 0:158c61bb030f 19 /* load context */
mzta 0:158c61bb030f 20 typedef struct mrbc_context {
mzta 0:158c61bb030f 21 mrb_sym *syms;
mzta 0:158c61bb030f 22 int slen;
mzta 0:158c61bb030f 23 char *filename;
mzta 0:158c61bb030f 24 short lineno;
mzta 0:158c61bb030f 25 int (*partial_hook)(struct mrb_parser_state*);
mzta 0:158c61bb030f 26 void *partial_data;
mzta 0:158c61bb030f 27 struct RClass *target_class;
mzta 0:158c61bb030f 28 mrb_bool capture_errors:1;
mzta 0:158c61bb030f 29 mrb_bool dump_result:1;
mzta 0:158c61bb030f 30 mrb_bool no_exec:1;
mzta 0:158c61bb030f 31 mrb_bool keep_lv:1;
mzta 0:158c61bb030f 32 mrb_bool no_optimize:1;
mzta 0:158c61bb030f 33 } mrbc_context;
mzta 0:158c61bb030f 34
mzta 0:158c61bb030f 35 MRB_API mrbc_context* mrbc_context_new(mrb_state *mrb);
mzta 0:158c61bb030f 36 MRB_API void mrbc_context_free(mrb_state *mrb, mrbc_context *cxt);
mzta 0:158c61bb030f 37 MRB_API const char *mrbc_filename(mrb_state *mrb, mrbc_context *c, const char *s);
mzta 0:158c61bb030f 38 MRB_API void mrbc_partial_hook(mrb_state *mrb, mrbc_context *c, int (*partial_hook)(struct mrb_parser_state*), void*data);
mzta 0:158c61bb030f 39
mzta 0:158c61bb030f 40 MRB_API mrb_value mrb_toplevel_run_keep(mrb_state*, struct RProc*, unsigned int);
mzta 0:158c61bb030f 41
mzta 0:158c61bb030f 42 /* AST node structure */
mzta 0:158c61bb030f 43 typedef struct mrb_ast_node {
mzta 0:158c61bb030f 44 struct mrb_ast_node *car, *cdr;
mzta 0:158c61bb030f 45 uint16_t lineno, filename_index;
mzta 0:158c61bb030f 46 } mrb_ast_node;
mzta 0:158c61bb030f 47
mzta 0:158c61bb030f 48 /* lexer states */
mzta 0:158c61bb030f 49 enum mrb_lex_state_enum {
mzta 0:158c61bb030f 50 EXPR_BEG, /* ignore newline, +/- is a sign. */
mzta 0:158c61bb030f 51 EXPR_END, /* newline significant, +/- is an operator. */
mzta 0:158c61bb030f 52 EXPR_ENDARG, /* ditto, and unbound braces. */
mzta 0:158c61bb030f 53 EXPR_ENDFN, /* ditto, and unbound braces. */
mzta 0:158c61bb030f 54 EXPR_ARG, /* newline significant, +/- is an operator. */
mzta 0:158c61bb030f 55 EXPR_CMDARG, /* newline significant, +/- is an operator. */
mzta 0:158c61bb030f 56 EXPR_MID, /* newline significant, +/- is an operator. */
mzta 0:158c61bb030f 57 EXPR_FNAME, /* ignore newline, no reserved words. */
mzta 0:158c61bb030f 58 EXPR_DOT, /* right after `.' or `::', no reserved words. */
mzta 0:158c61bb030f 59 EXPR_CLASS, /* immediate after `class', no here document. */
mzta 0:158c61bb030f 60 EXPR_VALUE, /* alike EXPR_BEG but label is disallowed. */
mzta 0:158c61bb030f 61 EXPR_MAX_STATE
mzta 0:158c61bb030f 62 };
mzta 0:158c61bb030f 63
mzta 0:158c61bb030f 64 /* saved error message */
mzta 0:158c61bb030f 65 struct mrb_parser_message {
mzta 0:158c61bb030f 66 int lineno;
mzta 0:158c61bb030f 67 int column;
mzta 0:158c61bb030f 68 char* message;
mzta 0:158c61bb030f 69 };
mzta 0:158c61bb030f 70
mzta 0:158c61bb030f 71 #define STR_FUNC_PARSING 0x01
mzta 0:158c61bb030f 72 #define STR_FUNC_EXPAND 0x02
mzta 0:158c61bb030f 73 #define STR_FUNC_REGEXP 0x04
mzta 0:158c61bb030f 74 #define STR_FUNC_WORD 0x08
mzta 0:158c61bb030f 75 #define STR_FUNC_SYMBOL 0x10
mzta 0:158c61bb030f 76 #define STR_FUNC_ARRAY 0x20
mzta 0:158c61bb030f 77 #define STR_FUNC_HEREDOC 0x40
mzta 0:158c61bb030f 78 #define STR_FUNC_XQUOTE 0x80
mzta 0:158c61bb030f 79
mzta 0:158c61bb030f 80 enum mrb_string_type {
mzta 0:158c61bb030f 81 str_not_parsing = (0),
mzta 0:158c61bb030f 82 str_squote = (STR_FUNC_PARSING),
mzta 0:158c61bb030f 83 str_dquote = (STR_FUNC_PARSING|STR_FUNC_EXPAND),
mzta 0:158c61bb030f 84 str_regexp = (STR_FUNC_PARSING|STR_FUNC_REGEXP|STR_FUNC_EXPAND),
mzta 0:158c61bb030f 85 str_sword = (STR_FUNC_PARSING|STR_FUNC_WORD|STR_FUNC_ARRAY),
mzta 0:158c61bb030f 86 str_dword = (STR_FUNC_PARSING|STR_FUNC_WORD|STR_FUNC_ARRAY|STR_FUNC_EXPAND),
mzta 0:158c61bb030f 87 str_ssym = (STR_FUNC_PARSING|STR_FUNC_SYMBOL),
mzta 0:158c61bb030f 88 str_ssymbols = (STR_FUNC_PARSING|STR_FUNC_SYMBOL|STR_FUNC_ARRAY),
mzta 0:158c61bb030f 89 str_dsymbols = (STR_FUNC_PARSING|STR_FUNC_SYMBOL|STR_FUNC_ARRAY|STR_FUNC_EXPAND),
mzta 0:158c61bb030f 90 str_heredoc = (STR_FUNC_PARSING|STR_FUNC_HEREDOC),
mzta 0:158c61bb030f 91 str_xquote = (STR_FUNC_PARSING|STR_FUNC_XQUOTE|STR_FUNC_EXPAND),
mzta 0:158c61bb030f 92 };
mzta 0:158c61bb030f 93
mzta 0:158c61bb030f 94 /* heredoc structure */
mzta 0:158c61bb030f 95 struct mrb_parser_heredoc_info {
mzta 0:158c61bb030f 96 mrb_bool allow_indent:1;
mzta 0:158c61bb030f 97 mrb_bool line_head:1;
mzta 0:158c61bb030f 98 enum mrb_string_type type;
mzta 0:158c61bb030f 99 const char *term;
mzta 0:158c61bb030f 100 int term_len;
mzta 0:158c61bb030f 101 mrb_ast_node *doc;
mzta 0:158c61bb030f 102 };
mzta 0:158c61bb030f 103
mzta 0:158c61bb030f 104 #define MRB_PARSER_BUF_SIZE 1024
mzta 0:158c61bb030f 105
mzta 0:158c61bb030f 106 /* parser structure */
mzta 0:158c61bb030f 107 struct mrb_parser_state {
mzta 0:158c61bb030f 108 mrb_state *mrb;
mzta 0:158c61bb030f 109 struct mrb_pool *pool;
mzta 0:158c61bb030f 110 mrb_ast_node *cells;
mzta 0:158c61bb030f 111 const char *s, *send;
mzta 0:158c61bb030f 112 #ifdef ENABLE_STDIO
mzta 0:158c61bb030f 113 FILE *f;
mzta 0:158c61bb030f 114 #endif
mzta 0:158c61bb030f 115 mrbc_context *cxt;
mzta 0:158c61bb030f 116 char const *filename;
mzta 0:158c61bb030f 117 int lineno;
mzta 0:158c61bb030f 118 int column;
mzta 0:158c61bb030f 119
mzta 0:158c61bb030f 120 enum mrb_lex_state_enum lstate;
mzta 0:158c61bb030f 121 mrb_ast_node *lex_strterm; /* (type nest_level beg . end) */
mzta 0:158c61bb030f 122
mzta 0:158c61bb030f 123 unsigned int cond_stack;
mzta 0:158c61bb030f 124 unsigned int cmdarg_stack;
mzta 0:158c61bb030f 125 int paren_nest;
mzta 0:158c61bb030f 126 int lpar_beg;
mzta 0:158c61bb030f 127 int in_def, in_single;
mzta 0:158c61bb030f 128 mrb_bool cmd_start:1;
mzta 0:158c61bb030f 129 mrb_ast_node *locals;
mzta 0:158c61bb030f 130
mzta 0:158c61bb030f 131 mrb_ast_node *pb;
mzta 0:158c61bb030f 132 char buf[MRB_PARSER_BUF_SIZE];
mzta 0:158c61bb030f 133 int bidx;
mzta 0:158c61bb030f 134
mzta 0:158c61bb030f 135 mrb_ast_node *all_heredocs; /* list of mrb_parser_heredoc_info* */
mzta 0:158c61bb030f 136 mrb_ast_node *heredocs_from_nextline;
mzta 0:158c61bb030f 137 mrb_ast_node *parsing_heredoc;
mzta 0:158c61bb030f 138 mrb_ast_node *lex_strterm_before_heredoc;
mzta 0:158c61bb030f 139 mrb_bool heredoc_end_now:1; /* for mirb */
mzta 0:158c61bb030f 140
mzta 0:158c61bb030f 141 void *ylval;
mzta 0:158c61bb030f 142
mzta 0:158c61bb030f 143 size_t nerr;
mzta 0:158c61bb030f 144 size_t nwarn;
mzta 0:158c61bb030f 145 mrb_ast_node *tree;
mzta 0:158c61bb030f 146
mzta 0:158c61bb030f 147 mrb_bool no_optimize:1;
mzta 0:158c61bb030f 148 mrb_bool capture_errors:1;
mzta 0:158c61bb030f 149 struct mrb_parser_message error_buffer[10];
mzta 0:158c61bb030f 150 struct mrb_parser_message warn_buffer[10];
mzta 0:158c61bb030f 151
mzta 0:158c61bb030f 152 mrb_sym* filename_table;
mzta 0:158c61bb030f 153 size_t filename_table_length;
mzta 0:158c61bb030f 154 int current_filename_index;
mzta 0:158c61bb030f 155
mzta 0:158c61bb030f 156 struct mrb_jmpbuf* jmp;
mzta 0:158c61bb030f 157 };
mzta 0:158c61bb030f 158
mzta 0:158c61bb030f 159 MRB_API struct mrb_parser_state* mrb_parser_new(mrb_state*);
mzta 0:158c61bb030f 160 MRB_API void mrb_parser_free(struct mrb_parser_state*);
mzta 0:158c61bb030f 161 MRB_API void mrb_parser_parse(struct mrb_parser_state*,mrbc_context*);
mzta 0:158c61bb030f 162
mzta 0:158c61bb030f 163 MRB_API void mrb_parser_set_filename(struct mrb_parser_state*, char const*);
mzta 0:158c61bb030f 164 MRB_API char const* mrb_parser_get_filename(struct mrb_parser_state*, uint16_t idx);
mzta 0:158c61bb030f 165
mzta 0:158c61bb030f 166 /* utility functions */
mzta 0:158c61bb030f 167 #ifdef ENABLE_STDIO
mzta 0:158c61bb030f 168 MRB_API struct mrb_parser_state* mrb_parse_file(mrb_state*,FILE*,mrbc_context*);
mzta 0:158c61bb030f 169 #endif
mzta 0:158c61bb030f 170 MRB_API struct mrb_parser_state* mrb_parse_string(mrb_state*,const char*,mrbc_context*);
mzta 0:158c61bb030f 171 MRB_API struct mrb_parser_state* mrb_parse_nstring(mrb_state*,const char*,int,mrbc_context*);
mzta 0:158c61bb030f 172 MRB_API struct RProc* mrb_generate_code(mrb_state*, struct mrb_parser_state*);
mzta 0:158c61bb030f 173
mzta 0:158c61bb030f 174 /* program load functions */
mzta 0:158c61bb030f 175 #ifdef ENABLE_STDIO
mzta 0:158c61bb030f 176 MRB_API mrb_value mrb_load_file(mrb_state*,FILE*);
mzta 0:158c61bb030f 177 #endif
mzta 0:158c61bb030f 178 MRB_API mrb_value mrb_load_string(mrb_state *mrb, const char *s);
mzta 0:158c61bb030f 179 MRB_API mrb_value mrb_load_nstring(mrb_state *mrb, const char *s, int len);
mzta 0:158c61bb030f 180 #ifdef ENABLE_STDIO
mzta 0:158c61bb030f 181 MRB_API mrb_value mrb_load_file_cxt(mrb_state*,FILE*, mrbc_context *cxt);
mzta 0:158c61bb030f 182 #endif
mzta 0:158c61bb030f 183 MRB_API mrb_value mrb_load_string_cxt(mrb_state *mrb, const char *s, mrbc_context *cxt);
mzta 0:158c61bb030f 184 MRB_API mrb_value mrb_load_nstring_cxt(mrb_state *mrb, const char *s, int len, mrbc_context *cxt);
mzta 0:158c61bb030f 185
mzta 0:158c61bb030f 186 #if defined(__cplusplus)
mzta 0:158c61bb030f 187 } /* extern "C" { */
mzta 0:158c61bb030f 188 #endif
mzta 0:158c61bb030f 189
mzta 0:158c61bb030f 190 #endif /* MRUBY_COMPILE_H */
mzta 0:158c61bb030f 191