def typeDecl2Chapel(decl, varname=None, isArray=False, isPtr=False):
if not isinstance(decl, c_ast.TypeDecl):
decl.show()
raise c_parser.ParseError("Unable to parse type declaration at %s" %
decl.coord)
tmp = decl.type
if varname is None:
varname = decl.declname
if not isinstance(tmp, c_ast.IdentifierType):
decl.show()
raise c_parser.ParseError("Unable to parse type declaration at %s" %
decl.coord)
name = tmp.names[0]
if name.startswith("MPI_"):
chapeltype = name
else:
if name not in c2chapel.keys():
raise c_parser.ParseError("Unknown type % at %s" %
(name, decl.coord))
chapeltype = c2chapel[name]
if isArray:
chapeltype = "[]" + chapeltype
if chapeltype is not None:
varname += ": " + chapeltype
if isPtr:
varname = "ref " + varname
return varname
def typeDecl2Chapel(decl, varname=None, isArray=False, isPtr=False):
if not isinstance(decl, c_ast.TypeDecl):
decl.show()
raise c_parser.ParseError("Unable to parse type declaration at %s" %
decl.coord)
tmp = decl.type
if varname is None:
varname = decl.declname
##if len(decl.quals) > 0 :
## quals1 = ' '.join([quals[q1] for q1 in decl.quals])
## varname = quals1+' '+varname
# Cases
if isinstance(tmp, c_ast.IdentifierType):
name = tmp.names[0]
if name not in c2chapel.keys():
raise c_parser.ParseError("Unknown type % at %s" %
(name, decl.coord))
chapeltype = c2chapel[name]
elif isinstance(tmp, c_ast.Enum):
chapeltype = None
else:
decl.show()
print type(tmp)
raise c_parser.ParseError("Unable to parse type declaration at %s" %
decl.coord)
if isArray:
chapeltype = "[]" + chapeltype
if chapeltype is not None:
varname += ": " + chapeltype
if isPtr:
varname = "ref " + varname
return varname
def toChapelType(ty):
if isPointerTo(ty, "char"):
return "c_string"
elif isPointerTo(ty, "void"):
return "c_void_ptr"
elif type(ty) == c_ast.ArrayDecl:
return "c_ptr(" + toChapelType(ty.type) + ")"
elif type(ty) == c_ast.PtrDecl:
if type(ty.type) == c_ast.FuncDecl:
return "c_fn_ptr"
else:
return "c_ptr(" + toChapelType(ty.type) + ")"
elif type(ty) == c_ast.TypeDecl:
inner = ty.type
name = ""
try:
name = getDeclName(ty)
except Exception as e:
raise Exception("toChapelType: " + str(e))
if name in c2chapel:
return c2chapel[name]
return name
elif type(ty) == c_ast.FuncDecl:
return "c_fn_ptr"
else:
ty.show()
raise c_parser.ParseError("Unable to translate to Chapel type")
def getFunctionName(ty):
if type(ty) == c_ast.PtrDecl:
return getFunctionName(ty.type)
elif type(ty) == c_ast.FuncDecl:
return getFunctionName(ty.type)
else:
if type(ty) != c_ast.TypeDecl:
ty.show()
raise c_parser.ParseError("Expecting TypeDecl...")
return ty.declname
def computeArgName(decl):
if type(decl) == c_ast.Typename:
return ""
elif type(decl) == c_ast.Decl:
if decl.name in chapelKeywords:
return decl.name + "_arg"
else:
return decl.name
else:
decl.show()
raise c_parser.ParseError("Unhandled Node type")
