def create_range_conn(s, chan, i_elem, group):
diff2 = group[0]
elem0 = group[1][0][0]
offset = target_loc(chan, elem0, scope)
# Form the location expression
if elem0.indices_value > 0:
location = ast.ElemGroup(
ast.ExprBinop(
'-', i_elem,
ast.ExprSingle(ast.ElemNumber(elem0.indices_value))))
else:
location = i_elem
location = ast.ExprBinop('*', ast.ElemNumber(diff2 + 1),
ast.ExprSingle(location))
location = ast.ExprBinop('+', ast.ElemGroup(location),
ast.ExprSingle(ast.ElemNumber(offset)))
chanend = ast.ElemId(chan.chanend)
chanend.symbol = Symbol(chan.chanend,
self.chanend_type(chan),
None,
scope=T_SCOPE_PROC)
connid = tab.lookup_connid(chan.name, elem0.index, scope)
chanid = ast.ExprSingle(ast.ElemNumber(connid))
begin = elem0.indices_value
end = group[1][-1][0].indices_value
cond = ast.ExprBinop(
'>=', i_elem, ast.ExprSingle(ast.ElemNumber(min(begin, end))))
master = tab.lookup_is_master(chan, elem0, scope)
conn = ast.StmtConnect(chanend, chanid, location,
self.connect_type(chan, master))
return ast.StmtIf(cond, conn, s) if s else conn
def create_tree_conn(tab, scope, chan, phase, group_size,
base_indices_value, loc_base, loc_diff,
connid_min, connid_offset, connid_diff, i_elem):
location = ast.ExprBinop(
'-', i_elem,
ast.ExprSingle(ast.ElemNumber(base_indices_value)))
location = ast.ExprBinop(
'/', ast.ElemGroup(location),
ast.ExprSingle(ast.ElemNumber(group_size)))
location = ast.ExprBinop('*', ast.ElemNumber(loc_diff),
ast.ExprSingle(ast.ElemGroup(location)))
location = ast.ExprBinop('+', ast.ElemNumber(loc_base),
ast.ExprSingle(ast.ElemGroup(location)))
chanend = ast.ElemId(chan.chanend)
chanend.symbol = Symbol(chan.chanend,
self.chanend_type(chan),
None,
scope=T_SCOPE_PROC)
elem0 = chan.elems[phase]
#connid = ast.ExprBinop('+', i_elem,
# ast.ExprSingle(ast.ElemNumber(connid_offset)))
connid = ast.ExprBinop('-', i_elem,
ast.ExprSingle(ast.ElemNumber(phase)))
connid = ast.ExprBinop('rem', ast.ElemGroup(connid),
ast.ExprSingle(ast.ElemNumber(group_size)))
connid = ast.ExprBinop('*', ast.ElemGroup(connid),
ast.ExprSingle(ast.ElemNumber(connid_diff)))
connid = ast.ExprBinop('+', ast.ElemGroup(connid),
ast.ExprSingle(ast.ElemNumber(connid_min)))
master = tab.lookup_is_master(chan, elem0, scope)
return ast.StmtConnect(chanend, connid, location,
self.connect_type(chan, master))
def create_single_conn(s, chan, scope, i_elem, elem):
debug(self.debug, 'New connection for index {}'.format(elem.index))
master = tab.lookup_is_master(chan, elem, scope)
if master:
location = ast.ExprSingle(
ast.ElemNumber(
tab.lookup_slave_location(chan.name, elem.index,
scope)))
else:
location = ast.ExprSingle(
ast.ElemNumber(
tab.lookup_master_location(chan.name, elem.index,
scope)))
chanend = ast.ElemId(chan.chanend)
chanend.symbol = Symbol(chan.chanend,
self.chanend_type(chan),
None,
scope=T_SCOPE_PROC)
connid = tab.lookup_connid(chan.name, elem.index, scope)
chanid = ast.ExprSingle(ast.ElemNumber(connid))
cond = ast.ExprBinop(
'=', i_elem,
ast.ExprSingle(ast.ElemNumber(elem.indices_value)))
conn = ast.StmtConnect(chanend, chanid, location,
self.connect_type(chan, master))
return ast.StmtIf(cond, conn, s) if s != None else conn
def gen_single_conn(self, tab, scope, chan):
"""
Generate a connection for a single channel declaration. 'chan' is a
ChanElemSet with one element.
"""
elem = chan.elems[0]
chanend = ast.ElemId(chan.chanend)
chanend.symbol = Symbol(chan.chanend,
self.chanend_type(chan),
None,
scope=T_SCOPE_PROC)
connid = tab.lookup_connid(chan.name, elem.index, scope)
chanid = ast.ExprSingle(ast.ElemNumber(connid))
# Server-end connections don't need targets
if chan.symbol.scope == T_SCOPE_SERVER:
return ast.StmtConnect(chanend, chanid,
ast.ExprSingle(ast.ElemNumber(0)),
self.connect_type(chan, False))
# All other connections do
else:
master = tab.lookup_is_master(chan, elem, scope)
if master:
location = ast.ExprSingle(
ast.ElemNumber(
tab.lookup_slave_location(chan.name, elem.index,
scope)))
else:
location = ast.ExprSingle(
ast.ElemNumber(
tab.lookup_master_location(chan.name, elem.index,
scope)))
chanend = ast.ElemId(chan.chanend)
chanend.symbol = Symbol(chan.chanend,
self.chanend_type(chan),
None,
scope=T_SCOPE_PROC)
return ast.StmtConnect(chanend, chanid, location,
self.connect_type(chan, master))
def p_stmt_connect_server(self, p): 'stmt : CONNECT left COLON expr TO CLIENT' p[0] = ast.StmtConnect(p[2], p[4], None, CONNECT_SERVER, self.coord(p))
def p_stmt_connect_client(self, p): 'stmt : CONNECT left COLON expr TO SERVER expr' p[0] = ast.StmtConnect(p[2], p[4], p[7], CONNECT_CLIENT, self.coord(p))
def p_stmt_connect_slave(self, p): 'stmt : CONNECT left COLON expr TO MASTER expr' p[0] = ast.StmtConnect(p[2], p[4], p[7], CONNECT_SLAVE, self.coord(p))
def p_stmt_connect_master(self, p): 'stmt : CONNECT left COLON expr TO SLAVE expr' p[0] = ast.StmtConnect(p[2], p[4], p[7], CONNECT_MASTER, self.coord(p))
