// cmake.rl written by James Webber, bunkerprivate@googlemail.com, based on
// shell.rl written by Mitchell Foral. mitchell<att>caladbolg<dott>net
//
// From shell, I remove single quote strings and added an @code to the end
// of a double quote string in case the terminating double string is on a line
// of its own.
/************************* Required for every parser *************************/
#ifndef RAGEL_CMAKE_PARSER
#define RAGEL_CMAKE_PARSER
#include "../parser_macros.h"
// the name of the language
const char *CMAKE_LANG = "cmake";
// the languages entities
const char *cmake_entities[] = {
"space", "comment", "string", "any"
};
// constants associated with the entities
enum {
CMAKE_SPACE = 0, CMAKE_COMMENT, CMAKE_STRING, CMAKE_ANY
};
/*****************************************************************************/
%%{
machine cmake;
write data;
include common "common.rl";
# Line counting machine
action cmake_ccallback {
switch(entity) {
case CMAKE_SPACE:
ls
break;
case CMAKE_ANY:
code
break;
case INTERNAL_NL:
std_internal_newline(CMAKE_LANG)
break;
case NEWLINE:
std_newline(CMAKE_LANG)
}
}
action es {
printf("endstring\n");
}
cmake_comment = '#' @comment nonnewline*;
cmake_dq_str =
'"' @enqueue @code (
newline %{ entity = INTERNAL_NL; } %cmake_ccallback
|
ws
|
[^\r\n\f\t "\\] @code
|
'\\' nonnewline @code
)* '"' @code @commit ;
cmake_string = cmake_dq_str;
cmake_line := |*
spaces ${ entity = CMAKE_SPACE; } => cmake_ccallback;
cmake_comment;
cmake_string;
newline ${ entity = NEWLINE; } => cmake_ccallback;
^space ${ entity = CMAKE_ANY; } => cmake_ccallback;
*|;
# Entity machine
action cmake_ecallback {
callback(CMAKE_LANG, cmake_entities[entity], cint(ts), cint(te), userdata);
}
cmake_comment_entity = '#' nonnewline*;
cmake_entity := |*
space+ ${ entity = CMAKE_SPACE; } => cmake_ecallback;
cmake_comment_entity ${ entity = CMAKE_COMMENT; } => cmake_ecallback;
# TODO: see shell.rl - (what is the todo for?!)
^space;
*|;
}%%
/************************* Required for every parser *************************/
/* Parses a string buffer with cmake script 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_cmake(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) ? cmake_en_cmake_line : cmake_en_cmake_entity;
%% write exec;
// if no newline at EOF; callback contents of last line
if (count) { process_last_line(CMAKE_LANG) }
}
#endif
/*****************************************************************************/