picrin/etc/libemb.py

75 lines
1.6 KiB
Python

import re
import os
from collections import OrderedDict
outfn = 'src/load_piclib.c'
libs = [
'piclib/built-in.scm',
'piclib/srfi/1.scm',
'piclib/srfi/26.scm',
'piclib/srfi/95.scm',
]
if os.path.exists(outfn):
os.remove(outfn)
piclibs = OrderedDict()
for lib in libs:
vname = lib[:-4]
vname = re.sub(r'/', r'_', vname)
vname = re.sub(r'-', r'_', vname)
piclibs[lib] = vname
def escape_scm(infn, outfn, vname):
with open(outfn, 'a') as output:
output.write('const char *{} =\n'.format(vname))
with open(infn, 'r') as input:
for line in input:
output.write('"')
line = line.strip('\n')
line = re.sub(r'\\', r'\\\\', line)
line = re.sub(r'"', r'\"', line)
output.write(line)
output.write('\\n"\n')
output.write(';\n\n')
piclib_load_head = """
#include "picrin.h"
#include "picrin/error.h"
"""
piclib_load_tail = """
void
pic_load_piclib(pic_state *pic)
{{
pic_try {{
{}
}}
pic_catch {{
/* error! */
fputs("fatal error: failure in loading built-in.scm\\n", stderr);
fputs(pic_errmsg(pic), stderr);
abort();
}}
#if DEBUG
puts("successfully loaded stdlib");
#endif
}}
"""
def gen_piclib_load_c(outfn):
with open(outfn, 'a') as f:
f.write(piclib_load_head)
loads = ""
for infn,vname in piclibs.items():
escape_scm(infn, outfn, vname)
loads += "pic_load_cstr(pic, {});\n ".format(vname)
with open(outfn, 'a') as f:
f.write('\n\n')
f.write(piclib_load_tail.format(loads))
gen_piclib_load_c(outfn)