1 // ebuild.rl written by Mitchell Foral. mitchell<att>caladbolg<dott>net
3 /************************* Required for every parser *************************/
4 #ifndef OHCOUNT_EBUILD_PARSER_H
5 #define OHCOUNT_EBUILD_PARSER_H
7 #include "../parser_macros.h"
9 // the name of the language
10 const char *EBUILD_LANG = 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),
68 ebuild_comment_entity = '#' nonnewline*;
71 space+ ${ entity = EBUILD_SPACE; } => ebuild_ecallback;
72 ebuild_comment_entity ${ entity = EBUILD_COMMENT; } => ebuild_ecallback;
78 /************************* Required for every parser *************************/
80 /* Parses a string buffer with ebuild code.
82 * @param *buffer The string to parse.
83 * @param length The length of the string to parse.
84 * @param count Integer flag specifying whether or not to count lines. If yes,
85 * uses the Ragel machine optimized for counting. Otherwise uses the Ragel
86 * machine optimized for returning entity positions.
87 * @param *callback Callback function. If count is set, callback is called for
88 * every line of code, comment, or blank with 'lcode', 'lcomment', and
89 * 'lblank' respectively. Otherwise callback is called for each entity found.
91 void parse_ebuild(char *buffer, int length, int count,
92 void (*callback) (const char *lang, const char *entity, int s,
99 cs = (count) ? ebuild_en_ebuild_line : ebuild_en_ebuild_entity;
102 // if no newline at EOF; callback contents of last line
103 if (count) { process_last_line(EBUILD_LANG) }
108 /*****************************************************************************/