// modelica.rl written by Martin Sjölund. martin.sjolund<att>liu<dott>se
/************************* Required for every parser *************************/
#ifndef OHCOUNT_MODELICA_PARSER_H
#define OHCOUNT_MODELICA_PARSER_H
#include "../parser_macros.h"
// the name of the language
const char *MODELICA_LANG = LANG_MODELICA;
// the languages entities
const char *modelica_entities[] = {
"space", "comment", "string", "any"
};
// constants associated with the entities
enum {
MODELICA_SPACE = 0, MODELICA_COMMENT, MODELICA_STRING, MODELICA_ANY
};
/*****************************************************************************/
%%{
machine modelica;
write data;
include common "common.rl";
# Line counting machine
action modelica_ccallback {
switch(entity) {
case MODELICA_SPACE:
ls
break;
case MODELICA_ANY:
code
break;
case INTERNAL_NL:
std_internal_newline(MODELICA_LANG)
break;
case NEWLINE:
std_newline(MODELICA_LANG)
}
}
modelica_line_comment = '//' @comment nonnewline*;
modelica_block_comment =
'/*' @comment (
newline %{ entity = INTERNAL_NL; } %modelica_ccallback
|
ws
|
(nonnewline - ws) @comment
)* :>> '*/';
modelica_comment = modelica_line_comment | modelica_block_comment;
identifier = '\'' (([^'] - ws + ' ')*|'\\\'') '\'' @code;
string = '\"' @code
(newline %{ entity = INTERNAL_NL; } %modelica_ccallback
|ws
|[^ \t\n"\\] @code
|'\\\"' @code
)* '\"' @code;
modelica_line := |*
spaces ${ entity = MODELICA_SPACE; } => modelica_ccallback;
modelica_comment;
newline ${ entity = NEWLINE; } => modelica_ccallback;
identifier ${ entity = MODELICA_ANY; } => modelica_ccallback;
string ${ entity = MODELICA_ANY; } => modelica_ccallback;
^space ${ entity = MODELICA_ANY; } => modelica_ccallback;
*|;
# Entity machine
action modelica_ecallback {
callback(MODELICA_LANG, modelica_entities[entity], cint(ts), cint(te), userdata);
}
modelica_eline_comment = '//' @comment nonnewline*;
modelica_eblock_comment =
'/*' @comment (
newline %{ entity = INTERNAL_NL; } %modelica_ccallback
|
ws
|
(nonnewline - ws) @comment
)* :>> '*/';
modelica_ecomment = modelica_line_comment | modelica_block_comment;
modelica_entity := |*
space+ ${ entity = MODELICA_SPACE; } => modelica_ecallback;
modelica_ecomment ${ entity = MODELICA_COMMENT; } => modelica_ecallback;
identifier ${ entity = MODELICA_ANY; } => modelica_ecallback;
string ${ entity = MODELICA_ANY; } => modelica_ecallback;
^space;
*|;
}%%
/************************* Required for every parser *************************/
/* Parses a string buffer with Modelica 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_modelica(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) ? modelica_en_modelica_line : modelica_en_modelica_entity;
%% write exec;
// if no newline at EOF; callback contents of last line
if (count) { process_last_line(MODELICA_LANG) }
}
#endif
/*****************************************************************************/