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added sys lib

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This commit is contained in:
Colin Sherratt
2015-06-13 16:13:19 -04:00
parent 85e024ad17
commit 93d8975a88
3 changed files with 659 additions and 23 deletions
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56
scripts/gen.py
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@ -16,6 +16,9 @@ type_mapping = {
'double': 'f64',
'float': 'f32',
'_Bool': 'bool',
'unsigned short': 'u16',
'const char': 'u8',
'void': '()',
# I'm lazy
'unsigned char *': '*const u8',
@ -40,13 +43,23 @@ def parse_type(s):
if s.startswith("struct"):
return parse_type(s.split()[1])
elif s.startswith("vr::"):
return s[4:]
return parse_type(s[4:])
elif s.startswith('enum'):
return parse_type(s.split()[1])
elif s.startswith("const "):
return parse_type(s[6:])
elif s in type_mapping:
return type_mapping[s]
elif s[-2:] == ' *':
return "*mut " + parse_type(s[:-2])
return s
def parse_class(s):
if s.startswith("vr::"):
return 'VR_' + s[4:]
return s
def shorten_enum(parent, name):
split = name.split('_')
if len(split) == 2:
@ -55,32 +68,57 @@ def shorten_enum(parent, name):
return '_'.join(split[1:])
return name
print """
#![allow(non_camel_case_types)]
#![allow(non_snake_case)]
#[link(name = "openvr_api")]
extern {}
"""
for d in data['typedefs']:
if parse_type(d['typedef']) == parse_type(d['type']):
continue
print "// %s" % d
print "type %s = %s;" % (parse_type(d['typedef']), parse_type(d['type']))
print "pub type %s = %s;" % (parse_type(d['typedef']), parse_type(d['type']))
for d in data['enums']:
found = set()
print "pub enum %s {" % parse_type(d['enumname'])
print "#[repr(C)]\npub enum %s {" % parse_type(d['enumname'])
for v in d['values']:
if v['value'] in found:
continue
found.add(v['value'])
print "\t%s = %s," % (shorten_enum(d['enumname'], v['name']), v['value'])
print "}"
print "}\n"
for s in data['structs']:
if s['struct'] == "vr::(anonymous)":
continue
print "// %s" % s
print "struct %s {" % parse_type(s['struct'])
print "#[repr(C)]\npub struct %s {" % parse_type(s['struct'])
for f in s['fields']:
print "// %s" % (f)
print "\t%s: %s," % (f['fieldname'], parse_type(f['fieldtype']))
print "}"
print "fn main() {}"
print "extern \"C\" {"
for m in data['methods']:
print '\tpub fn ' + parse_class(m['classname']) + '_' + m['methodname'] + "(",
s = []
for p in m.get('params', []):
if p['paramname'] == 'type':
p['paramname'] = '_type'
s += ["%s: %s" % (p['paramname'], parse_type(p['paramtype']))]
print "%s)" % (', '.join(s)),
if 'returntype' in m and m['returntype'] == 'void':
print ";"
elif 'returntype' in m:
print "-> %s;" % parse_type(m['returntype'])
else:
print ";"
print "}"