1 // ebuild.rl written by Mitchell Foral. mitchell<att>caladbolg<dott>net
3 /************************* Required for every parser *************************/
4 #ifndef RAGEL_EBUILD_PARSER
5 #define RAGEL_EBUILD_PARSER
7 #include "ragel_parser_macros.h"
9 // the name of the language
10 const char *EBUILD_LANG = "ebuild";
12 // the languages entities
13 const char *ebuild_entities[] = {
14 "space", "comment", "string", "any"
17 // constants associated with the entities
19 EBUILD_SPACE = 0, EBUILD_COMMENT, EBUILD_STRING, EBUILD_ANY
22 /*****************************************************************************/
27 include common "common.rl";
29 # Line counting machine
31 action ebuild_ccallback {
40 std_internal_newline(EBUILD_LANG)
43 std_newline(EBUILD_LANG)
47 ebuild_comment = '#' @comment nonnewline*;
49 ebuild_sq_str = '\'' @code ([^\r\n\f'\\] | '\\' nonnewline)* '\'';
50 ebuild_dq_str = '"' @code ([^\r\n\f"\\] | '\\' nonnewline)* '"';
51 ebuild_string = ebuild_sq_str | ebuild_dq_str;
54 spaces ${ entity = EBUILD_SPACE; } => ebuild_ccallback;
57 newline ${ entity = NEWLINE; } => ebuild_ccallback;
58 ^space ${ entity = EBUILD_ANY; } => ebuild_ccallback;
63 action ebuild_ecallback {
64 callback(EBUILD_LANG, ebuild_entities[entity], cint(ts), cint(te));
67 ebuild_entity := 'TODO:';
70 /************************* Required for every parser *************************/
72 /* Parses a string buffer with ebuild code.
74 * @param *buffer The string to parse.
75 * @param length The length of the string to parse.
76 * @param count Integer flag specifying whether or not to count lines. If yes,
77 * uses the Ragel machine optimized for counting. Otherwise uses the Ragel
78 * machine optimized for returning entity positions.
79 * @param *callback Callback function. If count is set, callback is called for
80 * every line of code, comment, or blank with 'lcode', 'lcomment', and
81 * 'lblank' respectively. Otherwise callback is called for each entity found.
83 void parse_ebuild(char *buffer, int length, int count,
84 void (*callback) (const char *lang, const char *entity, int start, int end)
89 cs = (count) ? ebuild_en_ebuild_line : ebuild_en_ebuild_entity;
92 // if no newline at EOF; callback contents of last line
93 if (count) { process_last_line(EBUILD_LANG) }
98 /*****************************************************************************/