binpac: Initial import of Bro's binpac subdirectory from SVN r7088.

This commit is contained in:
Jon Siwek 2010-10-13 15:17:20 -05:00 committed by Tim Wojtulewicz
parent 5a1c4fd5fe
commit c8665318e6
113 changed files with 15630 additions and 0 deletions

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#include "pac_action.h"
#include "pac_context.h"
#include "pac_embedded.h"
#include "pac_exception.h"
#include "pac_expr.h"
#include "pac_flow.h"
#include "pac_func.h"
#include "pac_output.h"
#include "pac_param.h"
#include "pac_paramtype.h"
#include "pac_state.h"
#include "pac_type.h"
#include "pac_varfield.h"
#include "pac_analyzer.h"
AnalyzerDecl::AnalyzerDecl(ID *id,
DeclType decl_type,
ParamList *params)
: TypeDecl(id, params, new DummyType())
{
decl_type_ = decl_type;
statevars_ = new StateVarList();
actions_ = new AnalyzerActionList();
helpers_ = new AnalyzerHelperList();
functions_ = new FunctionList();
constructor_helpers_ = new AnalyzerHelperList();
destructor_helpers_ = new AnalyzerHelperList();
eof_helpers_ = new AnalyzerHelperList();
SetAnalyzerContext();
env_ = 0;
}
AnalyzerDecl::~AnalyzerDecl()
{
delete_list(StateVarList, statevars_);
delete_list(AnalyzerActionList, actions_);
delete_list(AnalyzerHelperList, helpers_);
delete_list(FunctionList, functions_);
delete_list(ParamList, params_);
delete_list(AnalyzerHelperList, constructor_helpers_);
delete_list(AnalyzerHelperList, destructor_helpers_);
delete_list(AnalyzerHelperList, eof_helpers_);
}
void AnalyzerDecl::AddElements(AnalyzerElementList *elemlist)
{
ASSERT(! env_);
foreach(i, AnalyzerElementList, elemlist)
{
AnalyzerElement *elem = *i;
switch ( elem->type() )
{
case AnalyzerElement::STATE:
{
ASSERT(0);
AnalyzerState *state_elem =
(AnalyzerState *) elem;
statevars_->insert(
statevars_->end(),
state_elem->statevars()->begin(),
state_elem->statevars()->end());
}
break;
case AnalyzerElement::ACTION:
{
ASSERT(0);
AnalyzerAction *action_elem =
(AnalyzerAction *) elem;
actions_->push_back(action_elem);
}
break;
case AnalyzerElement::HELPER:
{
AnalyzerHelper *helper_elem =
(AnalyzerHelper *) elem;
switch ( helper_elem->helper_type() )
{
case AnalyzerHelper::INIT_CODE:
constructor_helpers_->push_back(helper_elem);
break;
case AnalyzerHelper::CLEANUP_CODE:
destructor_helpers_->push_back(helper_elem);
break;
case AnalyzerHelper::EOF_CODE:
eof_helpers_->push_back(helper_elem);
break;
default:
helpers_->push_back(helper_elem);
}
}
break;
case AnalyzerElement::FUNCTION:
{
AnalyzerFunction *func_elem =
(AnalyzerFunction *) elem;
Function *func = func_elem->function();
func->set_analyzer_decl(this);
functions_->push_back(func);
}
break;
case AnalyzerElement::FLOW:
{
AnalyzerFlow *flow_elem =
(AnalyzerFlow *) elem;
ProcessFlowElement(flow_elem);
}
break;
case AnalyzerElement::DATAUNIT:
{
AnalyzerDataUnit *dataunit_elem =
(AnalyzerDataUnit *) elem;
ProcessDataUnitElement(dataunit_elem);
}
break;
}
}
}
string AnalyzerDecl::class_name() const
{
return id_->Name();
}
void AnalyzerDecl::Prepare()
{
TypeDecl::Prepare();
ASSERT(statevars_->empty());
ASSERT(actions_->empty());
foreach(i, FunctionList, functions_)
{
Function *function = *i;
function->Prepare(env_);
}
foreach(i, StateVarList, statevars_)
{
StateVar *statevar = *i;
env_->AddID(statevar->id(), STATE_VAR, statevar->type());
}
foreach(i, AnalyzerActionList, actions_)
{
AnalyzerAction *action = *i;
action->InstallHook(this);
}
}
void AnalyzerDecl::GenForwardDeclaration(Output* out_h)
{
out_h->println("class %s;", class_name().c_str());
foreach(i, FunctionList, functions_)
{
Function *function = *i;
function->GenForwardDeclaration(out_h);
}
}
void AnalyzerDecl::GenActions(Output *out_h, Output *out_cc)
{
foreach(i, AnalyzerActionList, actions_)
{
(*i)->GenCode(out_h, out_cc, this);
}
}
void AnalyzerDecl::GenHelpers(Output *out_h, Output *out_cc)
{
foreach(i, AnalyzerHelperList, helpers_)
{
(*i)->GenCode(out_h, out_cc, this);
}
}
void AnalyzerDecl::GenPubDecls(Output *out_h, Output *out_cc)
{
TypeDecl::GenPubDecls(out_h, out_cc);
GenProcessFunc(out_h, out_cc);
GenGapFunc(out_h, out_cc);
GenEOFFunc(out_h, out_cc);
out_h->println("");
if ( ! functions_->empty() )
{
out_h->println("// Functions");
GenFunctions(out_h, out_cc);
out_h->println("");
}
// TODO: export public state variables
}
void AnalyzerDecl::GenPrivDecls(Output *out_h, Output *out_cc)
{
TypeDecl::GenPrivDecls(out_h, out_cc);
if ( ! helpers_->empty() )
{
out_h->println("");
out_h->println("// Additional members");
GenHelpers(out_h, out_cc);
}
// TODO: declare state variables
}
void AnalyzerDecl::GenInitCode(Output *out_cc)
{
TypeDecl::GenInitCode(out_cc);
foreach(i, AnalyzerHelperList, constructor_helpers_)
{
(*i)->GenCode(0, out_cc, this);
}
}
void AnalyzerDecl::GenCleanUpCode(Output *out_cc)
{
TypeDecl::GenCleanUpCode(out_cc);
foreach(i, AnalyzerHelperList, destructor_helpers_)
{
(*i)->GenCode(0, out_cc, this);
}
}
void AnalyzerDecl::GenStateVarDecls(Output *out_h)
{
foreach(i, StateVarList, statevars_)
{
StateVar *var = *i;
var->GenDecl(out_h, env_);
}
}
void AnalyzerDecl::GenStateVarSetFunctions(Output *out_h)
{
foreach(i, StateVarList, statevars_)
{
StateVar *var = *i;
var->GenSetFunction(out_h, env_);
}
}
void AnalyzerDecl::GenStateVarInitCode(Output *out_cc)
{
foreach(i, StateVarList, statevars_)
{
StateVar *var = *i;
var->GenInitCode(out_cc, env_);
}
}
void AnalyzerDecl::GenStateVarCleanUpCode(Output *out_cc)
{
foreach(i, StateVarList, statevars_)
{
StateVar *var = *i;
var->GenCleanUpCode(out_cc, env_);
}
}
void AnalyzerDecl::GenFunctions(Output *out_h, Output *out_cc)
{
foreach(i, FunctionList, functions_)
{
Function *function = *i;
function->GenCode(out_h, out_cc);
}
}
AnalyzerState::~AnalyzerState()
{
// Note: do not delete elements of statevars_, because they
// are referenced by the AnalyzerDecl.
delete statevars_;
}
AnalyzerHelper::~AnalyzerHelper()
{
delete code_;
}
void AnalyzerHelper::GenCode(Output *out_h, Output *out_cc, AnalyzerDecl *decl)
{
Output *out = 0;
switch ( helper_type_ )
{
case MEMBER_DECLS:
out = out_h;
break;
case INIT_CODE:
case CLEANUP_CODE:
case EOF_CODE:
out = out_cc;
break;
}
ASSERT(out);
code()->GenCode(out, decl->env());
}
FlowField::FlowField(ID *flow_id, ParameterizedType *flow_type)
: Field(FLOW_FIELD,
TYPE_NOT_TO_BE_PARSED | CLASS_MEMBER | PUBLIC_READABLE,
flow_id, flow_type)
{
}
void FlowField::GenInitCode(Output *out_cc, Env *env)
{
type_->GenPreParsing(out_cc, env);
}
AnalyzerFlow::AnalyzerFlow(Direction dir, ID *type_id, ExprList *params)
: AnalyzerElement(FLOW),
dir_(dir),
type_id_(type_id)
{
if ( ! params )
params = new ExprList();
// Add "this" to the list of params
params->insert(params->begin(), new Expr(this_id->clone()));
ID *flow_id = ((dir == UP) ? upflow_id : downflow_id)->clone();
ParameterizedType *flow_type = new ParameterizedType(type_id_, params);
flow_field_ = new FlowField(flow_id, flow_type);
flow_decl_ = 0;
}
AnalyzerFlow::~AnalyzerFlow()
{
delete flow_field_;
}
FlowDecl *AnalyzerFlow::flow_decl()
{
DEBUG_MSG("Getting flow_decl for %s\n", type_id_->Name());
if ( ! flow_decl_ )
{
Decl *decl = Decl::LookUpDecl(type_id_);
if ( decl && decl->decl_type() == Decl::FLOW )
flow_decl_ = static_cast<FlowDecl *>(decl);
if ( ! flow_decl_ )
{
throw Exception(this,
"cannot find the flow declaration");
}
}
return flow_decl_;
}