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Diffstat (limited to 'src/mem/slicc/symbols/SymbolTable.py')
| -rw-r--r-- | src/mem/slicc/symbols/SymbolTable.py | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/src/mem/slicc/symbols/SymbolTable.py b/src/mem/slicc/symbols/SymbolTable.py new file mode 100644 index 000000000..17d7dfad3 --- /dev/null +++ b/src/mem/slicc/symbols/SymbolTable.py @@ -0,0 +1,218 @@ +# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood +# Copyright (c) 2009 The Hewlett-Packard Development Company +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +from m5.util import code_formatter + +from slicc.generate import html +from slicc.symbols.StateMachine import StateMachine +from slicc.symbols.Type import Type +from slicc.util import Location + +class SymbolTable(object): + def __init__(self): + self.sym_vec = [] + self.sym_map_vec = [ {} ] + self.machine_components = {} + + pairs = {} + pairs["enumeration"] = "yes" + MachineType = Type(self, "MachineType", Location("init", 0), pairs) + self.newSymbol(MachineType) + + pairs = {} + pairs["primitive"] = "yes" + pairs["external"] = "yes" + void = Type(self, "void", Location("init", 0), pairs) + self.newSymbol(void) + + def __repr__(self): + return "[SymbolTable]" # FIXME + + def newSymbol(self, sym): + self.registerSym(str(sym), sym) + self.sym_vec.append(sym) + + def registerSym(self, id, sym): + # Check for redeclaration (in the current frame only) + if id in self.sym_map_vec[-1]: + sym.error("Symbol '%s' redeclared in same scope.", id) + + # FIXME - warn on masking of a declaration in a previous frame + self.sym_map_vec[-1][id] = sym + + def find(self, ident, types=None): + for sym_map in reversed(self.sym_map_vec): + try: + symbol = sym_map[ident] + except KeyError: + continue + + if types is not None: + assert isinstance(symbol, types) + + return symbol + + return None + + def newMachComponentSym(self, symbol): + # used to cheat-- that is, access components in other machines + machine = self.find("current_machine", StateMachine) + if machine: + self.machine_components[str(machine)][str(symbol)] = symbol + + def newCurrentMachine(self, sym): + self.registerGlobalSym(str(sym), sym) + self.registerSym("current_machine", sym) + self.sym_vec.append(sym) + + self.machine_components[str(sym)] = {} + + @property + def state_machine(self): + return self.find("current_machine", StateMachine) + + def pushFrame(self): + self.sym_map_vec.append({}) + + def popFrame(self): + assert len(self.sym_map_vec) > 0 + self.sym_map_vec.pop() + + def registerGlobalSym(self, ident, symbol): + # Check for redeclaration (global frame only) + if ident in self.sym_map_vec[0]: + symbol.error("Symbol '%s' redeclared in global scope." % ident) + + self.sym_map_vec[0][ident] = symbol + + def getAllType(self, type): + for symbol in self.sym_vec: + if isinstance(symbol, type): + yield symbol + + def writeCodeFiles(self, path): + code = code_formatter() + code(''' +/** Auto generated C++ code started by $__file__:$__line__ */ + +#include "mem/ruby/slicc_interface/RubySlicc_includes.hh" +''') + for symbol in self.sym_vec: + if isinstance(symbol, Type) and not symbol.isPrimitive: + code('#include "mem/protocol/${{symbol.c_ident}}.hh"') + + code.write(path, "Types.hh") + + for symbol in self.sym_vec: + symbol.writeCodeFiles(path) + + self.writeControllerFactory(path) + + def writeControllerFactory(self, path): + code = code_formatter() + + code(''' +/** \\file ControllerFactory.hh + * Auto generatred C++ code started by $__file__:$__line__ + */ + +#ifndef CONTROLLERFACTORY_H +#define CONTROLLERFACTORY_H + +#include <string> +class Network; +class AbstractController; + +class ControllerFactory { + public: + static AbstractController *createController(const std::string &controller_type, const std::string &name); +}; +#endif // CONTROLLERFACTORY_H''') + code.write(path, "ControllerFactory.hh") + + code = code_formatter() + code(''' +/** \\file ControllerFactory.cc + * Auto generatred C++ code started by $__file__:$__line__ + */ + +#include "mem/protocol/ControllerFactory.hh" +#include "mem/ruby/slicc_interface/AbstractController.hh" +#include "mem/protocol/MachineType.hh" +''') + + controller_types = [] + for symbol in self.getAllType(StateMachine): + code('#include "mem/protocol/${{symbol.ident}}_Controller.hh"') + controller_types.append(symbol.ident) + + code(''' +AbstractController *ControllerFactory::createController(const std::string &controller_type, const std::string &name) { +''') + + for ct in controller_types: + code(''' + if (controller_type == "$ct") + return new ${ct}_Controller(name); +''') + + code(''' + assert(0); // invalid controller type + return NULL; +} +''') + code.write(path, "ControllerFactory.cc") + + def writeHTMLFiles(self, path): + machines = list(self.getAllType(StateMachine)) + if len(machines) > 1: + name = "%s_table.html" % machines[0].ident + else: + name = "empty.html" + + code = code_formatter() + code(''' +<html> +<head> +<title>$path</title> +</head> +<frameset rows="*,30"> + <frame name="Table" src="$name"> + <frame name="Status" src="empty.html"> +</frameset> +</html> +''') + code.write(path, "index.html") + + code = code_formatter() + code("<HTML></HTML>") + code.write(path, "empty.html") + + for symbol in self.sym_vec: + symbol.writeHTMLFiles(path) + +__all__ = [ "SymbolTable" ] |