__init__.py
1.68 KB
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import subprocess, os.path, os, inspect
import zinc
from zinc.compil import BaseDeclare, CompilationError
from zinc.compil.go.rename import rename
from . import codegen
DESCRIPTION = "Golang backend (http://golang.org)"
OPTIONS = {}
NONETYPE = False
BOOL = "bool"
EXT = ".go"
INMEM = False
def and_ (left, *others) :
seen = set([left])
done = [left]
for right in others :
if right not in seen :
done.append(right)
seen.add(right)
return " && ".join("(%s)" % d for d in done)
def union (left, *other) :
types = set((left,) + other)
if len(types) == 1 :
return next(iter(types))
else :
return "interface{}"
class Declare (BaseDeclare) :
_levels = ["import", "decl"]
_default = "decl"
def update_gopath () :
# TODO: fix this wrt installation path
path = os.path.join(os.path.dirname(os.path.dirname(inspect.getfile(zinc))),
"libs", "go")
if "GOPATH" not in os.environ :
os.environ["GOPATH"] = path
elif path not in os.environ["GOPATH"].split(":") :
os.environ["GOPATH"] = ":".join([path, os.environ["GOPATH"]])
def build (ast, src, name, **options) :
update_gopath()
try :
subprocess.check_output(["go", "build", src], stderr=subprocess.STDOUT)
except Exception as err :
out = err.output.decode()
for line in out.splitlines() :
try :
path, lineno, message = line.split(":", 2)
if path.endswith(src) :
raise CompilationError(ast, name, message.strip(), int(lineno), out)
except ValueError :
continue
raise CompilationError(ast, name, out)