diff options
Diffstat (limited to 'src/mem/slicc')
-rw-r--r-- | src/mem/slicc/ast/EnumDeclAST.py | 2 | ||||
-rw-r--r-- | src/mem/slicc/ast/FormalParamAST.py | 22 | ||||
-rw-r--r-- | src/mem/slicc/ast/FuncDeclAST.py | 17 | ||||
-rw-r--r-- | src/mem/slicc/ast/InPortDeclAST.py | 4 | ||||
-rw-r--r-- | src/mem/slicc/ast/StateDeclAST.py | 4 | ||||
-rw-r--r-- | src/mem/slicc/symbols/Func.py | 22 |
6 files changed, 50 insertions, 21 deletions
diff --git a/src/mem/slicc/ast/EnumDeclAST.py b/src/mem/slicc/ast/EnumDeclAST.py index d97c13483..bc0c1c224 100644 --- a/src/mem/slicc/ast/EnumDeclAST.py +++ b/src/mem/slicc/ast/EnumDeclAST.py @@ -67,6 +67,6 @@ class EnumDeclAST(DeclAST): pairs = { "external" : "yes" } func = Func(self.symtab, func_id + "_" + t.c_ident, func_id, self.location, - self.symtab.find("std::string", Type), [ t ], [], "", + self.symtab.find("std::string", Type), [ t ], [], [], "", pairs) self.symtab.newSymbol(func) diff --git a/src/mem/slicc/ast/FormalParamAST.py b/src/mem/slicc/ast/FormalParamAST.py index ce73304f1..ef39b40f0 100644 --- a/src/mem/slicc/ast/FormalParamAST.py +++ b/src/mem/slicc/ast/FormalParamAST.py @@ -46,6 +46,9 @@ class FormalParamAST(AST): def generate(self): type = self.type_ast.type param = "param_%s" % self.ident + proto = "" + body = "" + default = False # Add to symbol table v = Var(self.symtab, self.ident, self.location, type, param, @@ -56,6 +59,21 @@ class FormalParamAST(AST): "interface" in type and ( type["interface"] == "AbstractCacheEntry" or type["interface"] == "AbstractEntry")): - return type, "%s* %s" % (type.c_ident, param) + proto = "%s* %s" % (type.c_ident, param) + body = proto + elif self.default != None: + value = "" + if self.default == True: + value = "true" + elif self.default == False: + value = "false" + else: + value = "%s" % self.default + proto = "const %s& %s = %s" % (type.c_ident, param, value) + body = "const %s& %s" % (type.c_ident, param) + default = True else: - return type, "const %s& %s" % (type.c_ident, param) + proto = "const %s& %s" % (type.c_ident, param) + body = proto + + return type, proto, body, default diff --git a/src/mem/slicc/ast/FuncDeclAST.py b/src/mem/slicc/ast/FuncDeclAST.py index 47ae7076e..4e64c0ba5 100644 --- a/src/mem/slicc/ast/FuncDeclAST.py +++ b/src/mem/slicc/ast/FuncDeclAST.py @@ -45,7 +45,9 @@ class FuncDeclAST(DeclAST): def generate(self, parent = None): types = [] - params = [] + proto_params = [] + body_params = [] + default_count = 0 void_type = self.symtab.find("void", Type) # Generate definition code @@ -58,13 +60,17 @@ class FuncDeclAST(DeclAST): for formal in self.formals: # Lookup parameter types try: - type, ident = formal.generate() + type, proto, body, default = formal.generate() types.append(type) - params.append(ident) + proto_params.append(proto) + body_params.append(body) + if default: + default_count += 1 except AttributeError: types.append(formal.type) - params.append(None) + proto_params.append(None) + body_params.append(None) body = self.slicc.codeFormatter() if self.statements is None: @@ -87,7 +93,8 @@ class FuncDeclAST(DeclAST): machine = self.state_machine func = Func(self.symtab, func_name_args, self.ident, self.location, - return_type, types, params, str(body), self.pairs) + return_type, types, proto_params, + body_params, str(body), self.pairs, default_count) if parent is not None: if not parent.addFunc(func): diff --git a/src/mem/slicc/ast/InPortDeclAST.py b/src/mem/slicc/ast/InPortDeclAST.py index 7a019a0e0..2ef043151 100644 --- a/src/mem/slicc/ast/InPortDeclAST.py +++ b/src/mem/slicc/ast/InPortDeclAST.py @@ -89,13 +89,13 @@ class InPortDeclAST(DeclAST): 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) + 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", "stallPort", self.location, - void_type, [], [], "", pairs) + void_type, [], [], [], "", pairs) symtab.newSymbol(func) param_types = [] diff --git a/src/mem/slicc/ast/StateDeclAST.py b/src/mem/slicc/ast/StateDeclAST.py index f0a0b97d3..a33ea9245 100644 --- a/src/mem/slicc/ast/StateDeclAST.py +++ b/src/mem/slicc/ast/StateDeclAST.py @@ -66,7 +66,7 @@ class StateDeclAST(DeclAST): pairs = { "external" : "yes" } func = Func(self.symtab, func_id + "_" + t.ident, func_id, self.location, - self.symtab.find("std::string", Type), [ t ], [], "", + self.symtab.find("std::string", Type), [ t ], [], [], "", pairs) self.symtab.newSymbol(func) @@ -76,6 +76,6 @@ class StateDeclAST(DeclAST): pairs = { "external" : "yes" } func = Func(self.symtab, func_id + "_" + t.ident, func_id, self.location, - self.symtab.find("AccessPermission", Type), [ t ], [], "", + self.symtab.find("AccessPermission", Type), [ t ], [], [], "", pairs) self.symtab.newSymbol(func) diff --git a/src/mem/slicc/symbols/Func.py b/src/mem/slicc/symbols/Func.py index 6da74002a..695450b9c 100644 --- a/src/mem/slicc/symbols/Func.py +++ b/src/mem/slicc/symbols/Func.py @@ -30,16 +30,19 @@ from slicc.symbols.Type import Type class Func(Symbol): def __init__(self, table, ident, name, location, return_type, param_types, - param_strings, body, pairs): + proto_param_strings, body_param_strings, body, + pairs, default_count = 0): super(Func, self).__init__(table, ident, location, pairs) self.return_type = return_type self.param_types = param_types - self.param_strings = param_strings + self.proto_param_strings = proto_param_strings + self.body_param_strings = body_param_strings self.body = body self.isInternalMachineFunc = False self.c_ident = ident self.c_name = name self.class_name = "" + self.default_count = default_count def __repr__(self): return "" @@ -57,16 +60,17 @@ class Func(Symbol): return_type += "*" return "%s %s(%s);" % (return_type, self.c_name, - ", ".join(self.param_strings)) + ", ".join(self.proto_param_strings)) def writeCodeFiles(self, path, includes): return def checkArguments(self, args): - if len(args) != len(self.param_types): - self.error("Wrong number of arguments passed to function : '%s'" +\ - " Expected %d, got %d", self.c_ident, - len(self.param_types), len(args)) + if len(args) + self.default_count < len(self.param_types) or \ + len(args) > len(self.param_types): + self.error("Wrong number of arguments passed to function: '%s'" + \ + " Expected at least: %d, got: %d", self.c_ident, + len(self.param_types) - self.default_count, len(args)) cvec = [] type_vec = [] @@ -91,14 +95,14 @@ class Func(Symbol): code = self.symtab.codeFormatter() # Generate function header - void_type = self.symtab.find("void", Type) return_type = self.return_type.c_ident + void_type = self.symtab.find("void", Type) if "return_by_ref" in self and self.return_type != void_type: return_type += "&" if "return_by_pointer" in self and self.return_type != void_type: return_type += "*" - params = ', '.join(self.param_strings) + params = ', '.join(self.body_param_strings) code(''' $return_type |