1 | /*
|
---|
2 | ** mruby/compile.h - mruby parser
|
---|
3 | **
|
---|
4 | ** See Copyright Notice in mruby.h
|
---|
5 | */
|
---|
6 |
|
---|
7 | #ifndef MRUBY_COMPILE_H
|
---|
8 | #define MRUBY_COMPILE_H
|
---|
9 |
|
---|
10 | #include "common.h"
|
---|
11 |
|
---|
12 | /**
|
---|
13 | * MRuby Compiler
|
---|
14 | */
|
---|
15 | MRB_BEGIN_DECL
|
---|
16 |
|
---|
17 | #include <mruby.h>
|
---|
18 |
|
---|
19 | struct mrb_jmpbuf;
|
---|
20 |
|
---|
21 | struct mrb_parser_state;
|
---|
22 | /* load context */
|
---|
23 | typedef struct mrbc_context {
|
---|
24 | mrb_sym *syms;
|
---|
25 | int slen;
|
---|
26 | char *filename;
|
---|
27 | short lineno;
|
---|
28 | int (*partial_hook)(struct mrb_parser_state*);
|
---|
29 | void *partial_data;
|
---|
30 | struct RClass *target_class;
|
---|
31 | mrb_bool capture_errors:1;
|
---|
32 | mrb_bool dump_result:1;
|
---|
33 | mrb_bool no_exec:1;
|
---|
34 | mrb_bool keep_lv:1;
|
---|
35 | mrb_bool no_optimize:1;
|
---|
36 | } mrbc_context;
|
---|
37 |
|
---|
38 | MRB_API mrbc_context* mrbc_context_new(mrb_state *mrb);
|
---|
39 | MRB_API void mrbc_context_free(mrb_state *mrb, mrbc_context *cxt);
|
---|
40 | MRB_API const char *mrbc_filename(mrb_state *mrb, mrbc_context *c, const char *s);
|
---|
41 | MRB_API void mrbc_partial_hook(mrb_state *mrb, mrbc_context *c, int (*partial_hook)(struct mrb_parser_state*), void*data);
|
---|
42 |
|
---|
43 | /* AST node structure */
|
---|
44 | typedef struct mrb_ast_node {
|
---|
45 | struct mrb_ast_node *car, *cdr;
|
---|
46 | uint16_t lineno, filename_index;
|
---|
47 | } mrb_ast_node;
|
---|
48 |
|
---|
49 | /* lexer states */
|
---|
50 | enum mrb_lex_state_enum {
|
---|
51 | EXPR_BEG, /* ignore newline, +/- is a sign. */
|
---|
52 | EXPR_END, /* newline significant, +/- is an operator. */
|
---|
53 | EXPR_ENDARG, /* ditto, and unbound braces. */
|
---|
54 | EXPR_ENDFN, /* ditto, and unbound braces. */
|
---|
55 | EXPR_ARG, /* newline significant, +/- is an operator. */
|
---|
56 | EXPR_CMDARG, /* newline significant, +/- is an operator. */
|
---|
57 | EXPR_MID, /* newline significant, +/- is an operator. */
|
---|
58 | EXPR_FNAME, /* ignore newline, no reserved words. */
|
---|
59 | EXPR_DOT, /* right after '.' or '::', no reserved words. */
|
---|
60 | EXPR_CLASS, /* immediate after 'class', no here document. */
|
---|
61 | EXPR_VALUE, /* alike EXPR_BEG but label is disallowed. */
|
---|
62 | EXPR_MAX_STATE
|
---|
63 | };
|
---|
64 |
|
---|
65 | /* saved error message */
|
---|
66 | struct mrb_parser_message {
|
---|
67 | int lineno;
|
---|
68 | int column;
|
---|
69 | char* message;
|
---|
70 | };
|
---|
71 |
|
---|
72 | #define STR_FUNC_PARSING 0x01
|
---|
73 | #define STR_FUNC_EXPAND 0x02
|
---|
74 | #define STR_FUNC_REGEXP 0x04
|
---|
75 | #define STR_FUNC_WORD 0x08
|
---|
76 | #define STR_FUNC_SYMBOL 0x10
|
---|
77 | #define STR_FUNC_ARRAY 0x20
|
---|
78 | #define STR_FUNC_HEREDOC 0x40
|
---|
79 | #define STR_FUNC_XQUOTE 0x80
|
---|
80 |
|
---|
81 | enum mrb_string_type {
|
---|
82 | str_not_parsing = (0),
|
---|
83 | str_squote = (STR_FUNC_PARSING),
|
---|
84 | str_dquote = (STR_FUNC_PARSING|STR_FUNC_EXPAND),
|
---|
85 | str_regexp = (STR_FUNC_PARSING|STR_FUNC_REGEXP|STR_FUNC_EXPAND),
|
---|
86 | str_sword = (STR_FUNC_PARSING|STR_FUNC_WORD|STR_FUNC_ARRAY),
|
---|
87 | str_dword = (STR_FUNC_PARSING|STR_FUNC_WORD|STR_FUNC_ARRAY|STR_FUNC_EXPAND),
|
---|
88 | str_ssym = (STR_FUNC_PARSING|STR_FUNC_SYMBOL),
|
---|
89 | str_ssymbols = (STR_FUNC_PARSING|STR_FUNC_SYMBOL|STR_FUNC_ARRAY),
|
---|
90 | str_dsymbols = (STR_FUNC_PARSING|STR_FUNC_SYMBOL|STR_FUNC_ARRAY|STR_FUNC_EXPAND),
|
---|
91 | str_heredoc = (STR_FUNC_PARSING|STR_FUNC_HEREDOC),
|
---|
92 | str_xquote = (STR_FUNC_PARSING|STR_FUNC_XQUOTE|STR_FUNC_EXPAND),
|
---|
93 | };
|
---|
94 |
|
---|
95 | /* heredoc structure */
|
---|
96 | struct mrb_parser_heredoc_info {
|
---|
97 | mrb_bool allow_indent:1;
|
---|
98 | mrb_bool line_head:1;
|
---|
99 | enum mrb_string_type type;
|
---|
100 | const char *term;
|
---|
101 | int term_len;
|
---|
102 | mrb_ast_node *doc;
|
---|
103 | };
|
---|
104 |
|
---|
105 | #define MRB_PARSER_TOKBUF_MAX 65536
|
---|
106 | #define MRB_PARSER_TOKBUF_SIZE 256
|
---|
107 |
|
---|
108 | /* parser structure */
|
---|
109 | struct mrb_parser_state {
|
---|
110 | mrb_state *mrb;
|
---|
111 | struct mrb_pool *pool;
|
---|
112 | mrb_ast_node *cells;
|
---|
113 | const char *s, *send;
|
---|
114 | #ifndef MRB_DISABLE_STDIO
|
---|
115 | FILE *f;
|
---|
116 | #endif
|
---|
117 | mrbc_context *cxt;
|
---|
118 | char const *filename;
|
---|
119 | int lineno;
|
---|
120 | int column;
|
---|
121 |
|
---|
122 | enum mrb_lex_state_enum lstate;
|
---|
123 | mrb_ast_node *lex_strterm; /* (type nest_level beg . end) */
|
---|
124 |
|
---|
125 | unsigned int cond_stack;
|
---|
126 | unsigned int cmdarg_stack;
|
---|
127 | int paren_nest;
|
---|
128 | int lpar_beg;
|
---|
129 | int in_def, in_single;
|
---|
130 | mrb_bool cmd_start:1;
|
---|
131 | mrb_ast_node *locals;
|
---|
132 |
|
---|
133 | mrb_ast_node *pb;
|
---|
134 | char *tokbuf;
|
---|
135 | char buf[MRB_PARSER_TOKBUF_SIZE];
|
---|
136 | int tidx;
|
---|
137 | int tsiz;
|
---|
138 |
|
---|
139 | mrb_ast_node *all_heredocs; /* list of mrb_parser_heredoc_info* */
|
---|
140 | mrb_ast_node *heredocs_from_nextline;
|
---|
141 | mrb_ast_node *parsing_heredoc;
|
---|
142 | mrb_ast_node *lex_strterm_before_heredoc;
|
---|
143 | mrb_bool heredoc_end_now:1; /* for mirb */
|
---|
144 |
|
---|
145 | void *ylval;
|
---|
146 |
|
---|
147 | size_t nerr;
|
---|
148 | size_t nwarn;
|
---|
149 | mrb_ast_node *tree;
|
---|
150 |
|
---|
151 | mrb_bool no_optimize:1;
|
---|
152 | mrb_bool capture_errors:1;
|
---|
153 | struct mrb_parser_message error_buffer[10];
|
---|
154 | struct mrb_parser_message warn_buffer[10];
|
---|
155 |
|
---|
156 | mrb_sym* filename_table;
|
---|
157 | size_t filename_table_length;
|
---|
158 | int current_filename_index;
|
---|
159 |
|
---|
160 | struct mrb_jmpbuf* jmp;
|
---|
161 | };
|
---|
162 |
|
---|
163 | MRB_API struct mrb_parser_state* mrb_parser_new(mrb_state*);
|
---|
164 | MRB_API void mrb_parser_free(struct mrb_parser_state*);
|
---|
165 | MRB_API void mrb_parser_parse(struct mrb_parser_state*,mrbc_context*);
|
---|
166 | MRB_API double mrb_float_read(const char*, char**);
|
---|
167 |
|
---|
168 | MRB_API void mrb_parser_set_filename(struct mrb_parser_state*, char const*);
|
---|
169 | MRB_API char const* mrb_parser_get_filename(struct mrb_parser_state*, uint16_t idx);
|
---|
170 |
|
---|
171 | /* utility functions */
|
---|
172 | #ifndef MRB_DISABLE_STDIO
|
---|
173 | MRB_API struct mrb_parser_state* mrb_parse_file(mrb_state*,FILE*,mrbc_context*);
|
---|
174 | #endif
|
---|
175 | MRB_API struct mrb_parser_state* mrb_parse_string(mrb_state*,const char*,mrbc_context*);
|
---|
176 | MRB_API struct mrb_parser_state* mrb_parse_nstring(mrb_state*,const char*,int,mrbc_context*);
|
---|
177 | MRB_API struct RProc* mrb_generate_code(mrb_state*, struct mrb_parser_state*);
|
---|
178 | MRB_API mrb_value mrb_load_exec(mrb_state *mrb, struct mrb_parser_state *p, mrbc_context *c);
|
---|
179 |
|
---|
180 | /* program load functions */
|
---|
181 | #ifndef MRB_DISABLE_STDIO
|
---|
182 | MRB_API mrb_value mrb_load_file(mrb_state*,FILE*);
|
---|
183 | MRB_API mrb_value mrb_load_file_cxt(mrb_state*,FILE*, mrbc_context *cxt);
|
---|
184 | #endif
|
---|
185 | MRB_API mrb_value mrb_load_string(mrb_state *mrb, const char *s);
|
---|
186 | MRB_API mrb_value mrb_load_nstring(mrb_state *mrb, const char *s, int len);
|
---|
187 | MRB_API mrb_value mrb_load_string_cxt(mrb_state *mrb, const char *s, mrbc_context *cxt);
|
---|
188 | MRB_API mrb_value mrb_load_nstring_cxt(mrb_state *mrb, const char *s, int len, mrbc_context *cxt);
|
---|
189 |
|
---|
190 | /** @} */
|
---|
191 | MRB_END_DECL
|
---|
192 |
|
---|
193 | #endif /* MRUBY_COMPILE_H */
|
---|