1 # Script for extracting compilable fragments from markdown
2 # documentation. See prep.js for a description of the format
3 # recognized by this tool. Expects a directory fragements/ to exist
4 # under the current directory, and writes the fragments in there as
5 # individual .rs files.
10 print("Please provide an input filename")
13 filename = sys.argv[1]
24 while cur < len(lines):
27 chap = re.match("# (.*)", line);
29 chapter = re.sub(r"\W", "_", chap.group(1)).lower()
31 elif re.match("~~~", line):
32 # Parse the tags that open a code block in the pandoc format:
34 tags = re.findall("\.([\w-]*)", line)
36 ignore = "notrust" in tags or "ignore" in tags
37 xfail = "xfail-test" in tags
38 while cur < len(lines):
41 if re.match("~~~", line):
44 block += re.sub("^# ", "", line)
46 if not re.search(r"\bfn main\b", block):
48 r"(^|\n) *(native|use|mod|import|export)\b", block):
49 block += "\nfn main() {}\n"
51 block = "fn main() {\n" + block + "\n}\n"
52 if not re.search(r"\buse std\b", block):
53 block = "use std;\n" + block;
55 block = "// xfail-test\n" + block
56 filename = (dest + "/" + str(chapter)
57 + "_" + str(chapter_n) + ".rs")
59 f = open(filename, 'w')