106 lines
3.6 KiB
Python
106 lines
3.6 KiB
Python
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#!/usr/bin/env python3
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import urllib.request
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import re
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import minify_html
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zig_version = 'master'
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def fix_ul(s):
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l = s.split('<li>')
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l.insert(0, '')
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return '\n - '.join(l)
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url = f'https://raw.githubusercontent.com/ziglang/zig/{zig_version}/doc/langref.html.in'
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res = urllib.request.urlopen(url)
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page = res.read().decode('utf-8')
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print('''const Builtin = struct {
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name: []const u8,
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signature: []const u8,
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snippet: []const u8,
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documentation: []const u8,
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arguments: []const []const u8,
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};
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pub const builtins = [_]Builtin{''')
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pattern = r'{#header_open\|(@\S+?)#}(.+?){#header_close#}'
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for match in re.finditer(pattern, page, re.M | re.S):
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blk = match[2].strip(' \n')
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name = match[1]
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signature = re.search(r'<pre>{#syntax#}(.+?){#endsyntax#}</pre>', blk,
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re.M | re.S)[1].replace('\n ', '').replace('"', '\\"')
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snippet = name
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if f'{name}()' in signature:
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params = None
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snippet += '()'
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else:
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params = []
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i = signature.index('(') + 1
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level = 1
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j = i
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while i < len(signature):
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if signature[i] == '(':
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level += 1
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elif signature[i] == ')':
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level -= 1
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if signature[i] == ',' and level == 1:
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params.append(signature[j:i])
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j = i + 2
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if level == 0:
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break
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i += 1
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params.append(signature[j:i])
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snippet += '(${'
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i = 1
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for param in params:
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snippet += f'{i}:{param}}}, ${{'
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i += 1
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snippet = snippet[:-4] + ')'
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docs = re.sub(r'{#see_also\|[^#]+#}', '', blk)
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docs = re.sub(
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r' {#code_begin\|(obj|syntax|(test(\|(call|truncate))?))#}\n', ' <pre>{#syntax#}', docs)
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docs = re.sub(
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r' {#code_begin\|test_(err|safety)\|[^#]+#}\n', ' <pre>{#syntax#}', docs)
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docs = docs.replace(' {#code_release_fast#}\n', '')
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docs = docs.replace(' {#code_end#}', '{#endsyntax#}</pre>')
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docs = docs.replace('\n{#endsyntax#}</pre>', '{#endsyntax#}</pre>')
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docs = minify_html.minify(docs)
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prefix = '</pre><p>'
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docs = docs[docs.index(prefix)+len(prefix):]
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docs = docs.replace('<p>', '\n\n')
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docs = re.sub(r'{#(end)?syntax#}', '`', docs)
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# @cDefine
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docs = re.sub(r'<pre><code[^>]+>([^<]+)</code></pre>', '`\\1`', docs)
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docs = re.sub(r'</?code>', '`', docs)
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docs = docs.replace('<pre>`', '\n\n```zig\n')
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docs = docs.replace('`</pre>', '\n```')
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# @setFloatMode
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docs = docs.replace('```<', '```\n<')
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# @TypeOf
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docs = re.sub(r'</?em>', '*', docs)
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docs = re.sub(r'<a href=([^>]+)>([^<]+)</a>', '[\\2](\\1)', docs)
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docs = re.sub(r'{#link\|([^|#]+)\|([^|#]+)#}',
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lambda m: f'[{m[1]}](https://ziglang.org/documentation/{zig_version}/#{m[2].replace(" ","-")})', docs)
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docs = re.sub(
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r'{#link\|([^|#]+)#}', lambda m: f'[{m[1]}](https://ziglang.org/documentation/{zig_version}/#{m[1].replace(" ","-").replace("@","")})', docs)
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docs = re.sub(r'<ul><li>(.+?)</ul>', lambda m: fix_ul(m[1]), docs)
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print(' .{')
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print(f' .name = "{name}",')
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print(f' .signature = "{signature}",')
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print(f' .snippet = "{snippet}",')
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print(' .documentation =')
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for line in docs.splitlines():
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print(r' \\' + line)
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print(' ,')
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if params is None:
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print(' .arguments = &.{},')
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else:
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print(' .arguments = &.{')
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for param in params:
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print(f' "{param}",')
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print(' },')
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print(' },')
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print('};')
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