// haxe.rl patched by Niel Drummond from actionscript version written by Mitchell Foral. mitchell<att>caladbolg<dott>net.
/************************* Required for every parser *************************/
#ifndef OHCOUNT_HAXE_PARSER_H
#define OHCOUNT_HAXE_PARSER_H
#include "../parser_macros.h"
// the name of the language
const char *HX_LANG = LANG_HAXE;
// the languages entities
const char *hx_entities[] = {
"space", "comment", "string", "any",
};
// constants associated with the entities
enum {
HX_SPACE = 0, HX_COMMENT, HX_STRING, HX_ANY
};
/*****************************************************************************/
%%{
machine haxe;
write data;
include common "common.rl";
# Line counting machine
action hx_ccallback {
switch(entity) {
case HX_SPACE:
ls
break;
case HX_ANY:
code
break;
case INTERNAL_NL:
std_internal_newline(HX_LANG)
break;
case NEWLINE:
std_newline(HX_LANG)
}
}
hx_line_comment =
'//' @comment (
escaped_newline %{ entity = INTERNAL_NL; } %hx_ccallback
|
ws
|
(nonnewline - ws) @comment
)*;
hx_block_comment =
'/*' @comment (
newline %{ entity = INTERNAL_NL; } %hx_ccallback
|
ws
|
(nonnewline - ws) @comment
)* :>> '*/';
hx_comment = hx_line_comment | hx_block_comment;
hx_sq_str = '\'' @code ([^\r\n\f'\\] | '\\' nonnewline)* '\'';
hx_dq_str = '"' @code ([^\r\n\f"\\] | '\\' nonnewline)* '"';
hx_string = hx_sq_str | hx_dq_str;
hx_line := |*
spaces ${ entity = HX_SPACE; } => hx_ccallback;
hx_comment;
hx_string;
newline ${ entity = NEWLINE; } => hx_ccallback;
^space ${ entity = HX_ANY; } => hx_ccallback;
*|;
# Entity machine
action hx_ecallback {
callback(HX_LANG, hx_entities[entity], cint(ts), cint(te), userdata);
}
hx_line_comment_entity = '//' nonnewline*;
hx_block_comment_entity = '/*' any* :>> '*/';
hx_comment_entity = hx_line_comment_entity | hx_block_comment_entity;
hx_entity := |*
space+ ${ entity = HX_SPACE; } => hx_ecallback;
hx_comment_entity ${ entity = HX_COMMENT; } => hx_ecallback;
# TODO:
^space;
*|;
}%%
/************************* Required for every parser *************************/
/* Parses a string buffer with Haxe 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_haxe(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) ? haxe_en_hx_line : haxe_en_hx_entity;
%% write exec;
// if no newline at EOF; callback contents of last line
if (count) { process_last_line(HX_LANG) }
}
#endif
/*****************************************************************************/