// objective_j.rl written by Francisco tolmasky. francisco<att>280north<dott>com.
// Modified from file by Mitchell Foral. mitchell<att>caladbolg<dott>net.
/************************* Required for every parser *************************/
#ifndef OHCOUNT_OBJECTIVE_J_PARSER_H
#define OHCOUNT_OBJECTIVE_J_PARSER_H
#include "../parser_macros.h"
// the name of the language
const char *OBJJ_LANG = LANG_OBJECTIVE_J;
// the languages entities
const char *objj_entities[] = {
"space", "comment", "string", "any"
};
// constants associated with the entities
enum {
OBJJ_SPACE = 0, OBJJ_COMMENT, OBJJ_STRING, OBJJ_ANY,
};
/*****************************************************************************/
%%{
machine objective_j;
write data;
include common "common.rl";
# Line counting machine
action objj_ccallback {
switch(entity) {
case OBJJ_SPACE:
ls
break;
case OBJJ_ANY:
code
break;
case INTERNAL_NL:
std_internal_newline(OBJJ_LANG)
break;
case NEWLINE:
std_newline(OBJJ_LANG)
}
}
objj_line_comment =
'//' @comment (
escaped_newline %{ entity = INTERNAL_NL; } %objj_ccallback
|
ws
|
(nonnewline - ws) @comment
)*;
objj_block_comment =
'/*' @comment (
newline %{ entity = INTERNAL_NL; } %objj_ccallback
|
ws
|
(nonnewline - ws) @comment
)* :>> '*/';
objj_comment = objj_line_comment | objj_block_comment;
objj_sq_str = '\'' @code ([^\r\n\f'\\] | '\\' nonnewline)* '\'';
objj_dq_str = '"' @code ([^\r\n\f"\\] | '\\' nonnewline)* '"';
objj_string = objj_sq_str | objj_dq_str;
objj_line := |*
spaces ${ entity = OBJJ_SPACE; } => objj_ccallback;
objj_comment;
objj_string;
newline ${ entity = NEWLINE; } => objj_ccallback;
^space ${ entity = OBJJ_ANY; } => objj_ccallback;
*|;
# Entity machine
action objj_ecallback {
callback(OBJJ_LANG, objj_entities[entity], cint(ts), cint(te), userdata);
}
objj_line_comment_entity = '//' (escaped_newline | nonnewline)*;
objj_block_comment_entity = '/*' any* :>> '*/';
objj_comment_entity = objj_line_comment_entity | objj_block_comment_entity;
objj_entity := |*
space+ ${ entity = OBJJ_SPACE; } => objj_ecallback;
objj_comment_entity ${ entity = OBJJ_COMMENT; } => objj_ecallback;
# TODO:
^space;
*|;
}%%
/************************* Required for every parser *************************/
/* Parses a string buffer with Objective C code.
*
* @param *buffer The string to parse.
* @param length The length of the string to parse.
* @param count Integer flag specifying whether or not to count lines. If yes,
* uses the Ragel machine optimized for counting. Otherwise uses the Ragel
* machine optimized for returning entity positions.
* @param *callback Callback function. If count is set, callback is called for
* every line of code, comment, or blank with 'lcode', 'lcomment', and
* 'lblank' respectively. Otherwise callback is called for each entity found.
*/
void parse_objective_j(char *buffer, int length, int count,
void (*callback) (const char *lang, const char *entity,
int s, int e, void *udata),
void *userdata
) {
init
%% write init;
cs = (count) ? objective_j_en_objj_line : objective_j_en_objj_entity;
%% write exec;
// if no newline at EOF; callback contents of last line
if (count) { process_last_line(OBJJ_LANG) }
}
#endif
/*****************************************************************************/