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#include <string.h>
#include <stdio.h>
#include <dirent.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <mrbconf.h>
static int
one (const struct dirent *unused)
{
return 1;
}
/*
* Does a directory exist?
* yes => TRUE
* no => FALSE
* fs error => FALSE
*
*/
static int
directory_exists(char path[4096]) {
DIR* dir = opendir(path);
if (dir)
return TRUE;
else
return FALSE;
}
/*
* Template generator for each GEM
*
* Arguments:
* before:
* String before each GEM template
* after:
* String after each GEM template
* start:
* String at the start of the template
* end:
* String at the end of the template
* skip_if_src_not_exist:
* TRUE => skip template for GEMs with SRC directory
* FALSE => template for all GEMs
*
*/
void
for_each_gem (char before[1024], char after[1024],
char start[1024], char end[1024],
char dir_to_skip[1024])
{
struct dirent **eps;
int n;
char gemname[1024] = "";
char gemname_path[4096] = "";
char complete_line[4096] = "";
char src_path[4096] = "";
struct stat attribut;
strcat(complete_line, start);
n = scandir("./g", &eps, one, alphasort);
if (n >= 0) {
int cnt;
for (cnt = 0; cnt < n; ++cnt) {
strcpy(gemname, eps[cnt]->d_name);
strcpy(gemname_path, "./g/");
strcat(gemname_path, gemname);
strcpy(src_path, gemname_path);
strcat(src_path, "/src");
if (strcmp(gemname, ".") == 0)
continue;
if (strcmp(gemname, "..") == 0)
continue;
stat(gemname_path, &attribut);
if (S_ISDIR(attribut.st_mode) == 0) {
continue;
}
if (strcmp(dir_to_skip, "") != 0) {
strcpy(src_path, gemname_path);
strcat(src_path, "/");
strcat(src_path, dir_to_skip);
if (directory_exists(src_path) != TRUE)
continue;
}
strcat(complete_line, before);
strcat(complete_line, gemname);
strcat(complete_line, after);
}
}
else {
perror("Error while scanning the directory.");
}
strcat(complete_line, end);
puts(complete_line);
}
void
make_gem_makefile()
{
puts("CFLAGS := -I. -I../../include -I../../src");
puts("");
puts("ifeq ($(OS),Windows_NT)");
puts("MAKE_FLAGS = --no-print-directory CC=$(CC) LL=$(LL) ALL_CFLAGS='$(ALL_CFLAGS)'");
puts("else");
puts("MAKE_FLAGS = --no-print-directory CC='$(CC)' LL='$(LL)' ALL_CFLAGS='$(ALL_CFLAGS)'");
puts("endif");
puts("");
puts(".PHONY : all");
puts("all : all_gems mrblib_gem.o");
puts("\t$(AR) rs ../../lib/libmruby.a mrblib_gem.o");
puts("");
puts("all_gems :");
for_each_gem("\t@$(MAKE) -C ", " $(MAKE_FLAGS)\n", "", "", "");
puts("");
puts("mrblib_gem.o : mrblib_gem.c");
puts("");
puts("mrblib_gem.c : mrblib_gem.ctmp");
puts("\tcat $< > $@");
puts("");
puts("mrblib_gem.ctmp : mrblib_gem.rbtmp");
puts("\t../../bin/mrbc -Bmrblib_gem_irep -o$@ $<");
puts("");
puts("mrblib_gem.rbtmp :");
for_each_gem(" ", "/mrblib/*.rb", "\tcat", "> mrblib_gem.rbtmp", "mrblib");
puts("");
puts(".PHONY : prepare-test");
puts("prepare-test : mrbgemtest.ctmp");
puts("");
puts("mrbgemtest.ctmp : mrbgemtest.rbtmp");
puts("\t../../bin/mrbc -Bmrbgemtest_irep -omrbgemtest.ctmp mrbgemtest.rbtmp");
puts("");
puts("mrbgemtest.rbtmp :");
for_each_gem(" ", "/test/*.rb ", "\tcat", " > mrbgemtest.rbtmp", "");
puts("");
puts(".PHONY : clean");
puts("clean :");
puts("\t$(RM) *.c *.d *.rbtmp *.ctmp *.o mrbtest");
for_each_gem("\t@$(MAKE) clean -C ", " $(MAKE_FLAGS)\n", "", "", "");
}
void
make_init_gems()
{
puts("/*");
puts(" * This file contains a list of all");
puts(" * initializing methods which are");
puts(" * necessary to bootstrap all gems.");
puts(" *");
puts(" * IMPORTANT:");
puts(" * This file was generated!");
puts(" * All manual changes will get lost.");
puts(" */");
puts("");
puts("#include \"mruby.h\"");
puts("#include \"mruby/irep.h\"");
puts("#include \"mruby/dump.h\"");
puts("#include \"mruby/string.h\"");
puts("#include \"mruby/proc.h\"");
puts("");
for_each_gem("void mrb_", "_gem_init(mrb_state*);\n", "", "", "src");
puts("extern const char mrblib_gem_irep[];");
puts("");
puts("void");
puts("mrb_init_mrbgems(mrb_state *mrb) {");
for_each_gem(" mrb_", "_gem_init(mrb);\n", "", "", "src");
puts(" int n = mrb_read_irep(mrb, mrblib_gem_irep);");
puts(" mrb_run(mrb, mrb_proc_new(mrb, mrb->irep[n]), mrb_top_self(mrb));");
puts(" if (mrb->exc) {");
puts(" mrb_p(mrb, mrb_obj_value(mrb->exc));");
puts(" exit(0);");
puts(" }");
puts("}");
}
int
main (int argc, char *argv[])
{
if (argc == 2) {
if (strcmp(argv[1], "makefile") == 0)
make_gem_makefile();
else if (strcmp(argv[1], "init_gems") == 0)
make_init_gems();
else
return 1;
}
else {
puts("Argument missing! Options: 'makefile', 'init_gems'");
return 1;
}
return 0;
}
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