changeset a86f453a7caa in /z/repo/gem5 details: http://repo.gem5.org/gem5?cmd=changeset;node=a86f453a7caa description: slicc: enable overloading in functions not in classes
For many years the slicc symbol table has supported overloaded functions in external classes. This patch extends that support to functions that are not part of classes (a.k.a. no parent). For example, this support allows slicc to understand that mapAddressToRange is overloaded and the NodeID is an optional parameter. diffstat: src/mem/protocol/RubySlicc_ComponentMapping.sm | 2 ++ src/mem/slicc/ast/EnumDeclAST.py | 3 ++- src/mem/slicc/ast/FuncCallExprAST.py | 12 +++++++++--- src/mem/slicc/ast/FuncDeclAST.py | 15 +++++++++++++-- src/mem/slicc/ast/InPortDeclAST.py | 11 +++++++---- src/mem/slicc/ast/StateDeclAST.py | 6 ++++-- src/mem/slicc/symbols/Func.py | 7 ++++--- src/mem/slicc/symbols/Transition.py | 2 +- 8 files changed, 42 insertions(+), 16 deletions(-) diffs (182 lines): diff -r 6036e4555eda -r a86f453a7caa src/mem/protocol/RubySlicc_ComponentMapping.sm --- a/src/mem/protocol/RubySlicc_ComponentMapping.sm Mon Jul 20 09:15:18 2015 -0500 +++ b/src/mem/protocol/RubySlicc_ComponentMapping.sm Mon Jul 20 09:15:18 2015 -0500 @@ -31,6 +31,8 @@ int machineCount(MachineType machType); MachineID mapAddressToRange(Address addr, MachineType type, + int low, int high); +MachineID mapAddressToRange(Address addr, MachineType type, int low, int high, NodeID n); NetDest broadcast(MachineType type); MachineID map_Address_to_DMA(Address addr); diff -r 6036e4555eda -r a86f453a7caa src/mem/slicc/ast/EnumDeclAST.py --- a/src/mem/slicc/ast/EnumDeclAST.py Mon Jul 20 09:15:18 2015 -0500 +++ b/src/mem/slicc/ast/EnumDeclAST.py Mon Jul 20 09:15:18 2015 -0500 @@ -65,7 +65,8 @@ func_id = "%s_to_string" % t.c_ident pairs = { "external" : "yes" } - func = Func(self.symtab, func_id, self.location, + func = Func(self.symtab, func_id + "_" + t.c_ident, + func_id, self.location, self.symtab.find("std::string", Type), [ t ], [], "", pairs) self.symtab.newSymbol(func) diff -r 6036e4555eda -r a86f453a7caa src/mem/slicc/ast/FuncCallExprAST.py --- a/src/mem/slicc/ast/FuncCallExprAST.py Mon Jul 20 09:15:18 2015 -0500 +++ b/src/mem/slicc/ast/FuncCallExprAST.py Mon Jul 20 09:15:18 2015 -0500 @@ -80,12 +80,18 @@ code("APPEND_TRANSITION_COMMENT($0)", self.exprs[0].inline()) return self.symtab.find("void", Type) + func_name_args = self.proc_name + + for expr in self.exprs: + actual_type,param_code = expr.inline(True) + func_name_args += "_" + str(actual_type.ident) + # Look up the function in the symbol table - func = self.symtab.find(self.proc_name, Func) + func = self.symtab.find(func_name_args, Func) # Check the types and get the code for the parameters if func is None: - self.error("Unrecognized function name: '%s'", self.proc_name) + self.error("Unrecognized function name: '%s'", func_name_args) if len(self.exprs) != len(func.param_types): self.error("Wrong number of arguments passed to function : '%s'" +\ @@ -193,7 +199,7 @@ params += str(param_code); fix = code.nofix() - code('(${{func.c_ident}}($params))') + code('(${{func.c_name}}($params))') code.fix(fix) return func.return_type diff -r 6036e4555eda -r a86f453a7caa src/mem/slicc/ast/FuncDeclAST.py --- a/src/mem/slicc/ast/FuncDeclAST.py Mon Jul 20 09:15:18 2015 -0500 +++ b/src/mem/slicc/ast/FuncDeclAST.py Mon Jul 20 09:15:18 2015 -0500 @@ -74,9 +74,20 @@ self.symtab.popFrame() + func_name_args = self.ident + + if parent is None: + for arg in self.formals: + from slicc.ast import FormalParamAST + if isinstance(arg, FormalParamAST): + arg_name = arg.type_ast.ident + else: + arg_name = arg + func_name_args += "_" + str(arg_name) + machine = self.state_machine - func = Func(self.symtab, self.ident, self.location, return_type, - types, params, str(body), self.pairs) + func = Func(self.symtab, func_name_args, self.ident, self.location, + return_type, types, params, str(body), self.pairs) if parent is not None: if not parent.addFunc(func): diff -r 6036e4555eda -r a86f453a7caa src/mem/slicc/ast/InPortDeclAST.py --- a/src/mem/slicc/ast/InPortDeclAST.py Mon Jul 20 09:15:18 2015 -0500 +++ b/src/mem/slicc/ast/InPortDeclAST.py Mon Jul 20 09:15:18 2015 -0500 @@ -85,14 +85,17 @@ # Add the trigger method - FIXME, this is a bit dirty pairs = { "external" : "yes" } - func = Func(self.symtab, "trigger", self.location, void_type, - param_types, [], "", pairs) + trigger_func_name = "trigger" + for param in param_types: + trigger_func_name += "_" + param.ident + func = Func(self.symtab, trigger_func_name, "trigger", self.location, + void_type, param_types, [], "", pairs) symtab.newSymbol(func) # Add the stallPort method - this hacks reschedules the controller # for stalled messages that don't trigger events - func = Func(self.symtab, "stallPort", self.location, void_type, [], - [], "", pairs) + func = Func(self.symtab, "stallPort", "stallPort", self.location, + void_type, [], [], "", pairs) symtab.newSymbol(func) param_types = [] diff -r 6036e4555eda -r a86f453a7caa src/mem/slicc/ast/StateDeclAST.py --- a/src/mem/slicc/ast/StateDeclAST.py Mon Jul 20 09:15:18 2015 -0500 +++ b/src/mem/slicc/ast/StateDeclAST.py Mon Jul 20 09:15:18 2015 -0500 @@ -64,7 +64,8 @@ func_id = "%s_to_string" % t.c_ident pairs = { "external" : "yes" } - func = Func(self.symtab, func_id, self.location, + func = Func(self.symtab, func_id + "_" + + t.ident, func_id, self.location, self.symtab.find("std::string", Type), [ t ], [], "", pairs) self.symtab.newSymbol(func) @@ -73,7 +74,8 @@ func_id = "%s_to_permission" % t.c_ident pairs = { "external" : "yes" } - func = Func(self.symtab, func_id, self.location, + func = Func(self.symtab, func_id + "_" + + t.ident, func_id, self.location, self.symtab.find("AccessPermission", Type), [ t ], [], "", pairs) self.symtab.newSymbol(func) diff -r 6036e4555eda -r a86f453a7caa src/mem/slicc/symbols/Func.py --- a/src/mem/slicc/symbols/Func.py Mon Jul 20 09:15:18 2015 -0500 +++ b/src/mem/slicc/symbols/Func.py Mon Jul 20 09:15:18 2015 -0500 @@ -29,7 +29,7 @@ from slicc.symbols.Type import Type class Func(Symbol): - def __init__(self, table, ident, location, return_type, param_types, + def __init__(self, table, ident, name, location, return_type, param_types, param_strings, body, pairs): super(Func, self).__init__(table, ident, location, pairs) self.return_type = return_type @@ -38,6 +38,7 @@ self.body = body self.isInternalMachineFunc = False self.c_ident = ident + self.c_name = name self.class_name = "" def __repr__(self): @@ -55,7 +56,7 @@ elif "return_by_pointer" in self and self.return_type != void_type: return_type += "*" - return "%s %s(%s);" % (return_type, self.c_ident, + return "%s %s(%s);" % (return_type, self.c_name, ", ".join(self.param_strings)) def writeCodeFiles(self, path, includes): @@ -80,7 +81,7 @@ code(''' $return_type -${{self.class_name}}::${{self.c_ident}}($params) +${{self.class_name}}::${{self.c_name}}($params) { ${{self.body}} } diff -r 6036e4555eda -r a86f453a7caa src/mem/slicc/symbols/Transition.py --- a/src/mem/slicc/symbols/Transition.py Mon Jul 20 09:15:18 2015 -0500 +++ b/src/mem/slicc/symbols/Transition.py Mon Jul 20 09:15:18 2015 -0500 @@ -40,7 +40,7 @@ # check to make sure there is a getNextState function declared found = False for func in machine.functions: - if func.c_ident == 'getNextState': + if func.c_ident == 'getNextState_Address': found = True break if found == False: _______________________________________________ gem5-dev mailing list gem5-dev@gem5.org http://m5sim.org/mailman/listinfo/gem5-dev