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factoring out some replicated code in the parser

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This commit is contained in:
Vern Paxson 2021-04-01 17:26:40 -07:00
parent 9cdb51e283
commit c92af1e542
1 changed files with 41 additions and 33 deletions
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74
src/parse.y
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@ -232,6 +232,41 @@ static bool expr_is_table_type_name(const Expr* expr)
return false;
}
static void build_global(ID* id, Type* t, InitClass ic, Expr* e,
std::vector<AttrPtr>* attrs, DeclType dt)
{
IDPtr id_ptr{AdoptRef{}, id};
TypePtr t_ptr{AdoptRef{}, t};
ExprPtr e_ptr{AdoptRef{}, e};
auto attrs_ptr = attrs ? std::make_unique<std::vector<AttrPtr>>(*attrs) : nullptr;
add_global(id_ptr, t_ptr, ic, e_ptr, std::move(attrs_ptr), dt);
if ( dt == VAR_REDEF )
zeekygen_mgr->Redef(id, ::filename, ic, std::move(e_ptr));
else
zeekygen_mgr->Identifier(std::move(id_ptr));
}
static StmtPtr build_local(ID* id, Type* t, InitClass ic, Expr* e,
std::vector<AttrPtr>* attrs, DeclType dt,
bool do_coverage)
{
IDPtr id_ptr{AdoptRef{}, id};
TypePtr t_ptr{AdoptRef{}, t};
ExprPtr e_ptr{AdoptRef{}, e};
auto attrs_ptr = attrs ? std::make_unique<std::vector<AttrPtr>>(*attrs) : nullptr;
auto init = add_local(id_ptr, t_ptr, ic, e_ptr, std::move(attrs_ptr), dt);
if ( do_coverage )
script_coverage_mgr.AddStmt(init.get());
return init;
}
%}
%union {
@ -1114,39 +1149,22 @@ decl:
| TOK_GLOBAL def_global_id opt_type init_class opt_init opt_attr ';'
{
IntrusivePtr id{AdoptRef{}, $2};
add_global(id, {AdoptRef{}, $3}, $4, {AdoptRef{}, $5},
std::unique_ptr<std::vector<AttrPtr>>{$6},
VAR_REGULAR);
zeekygen_mgr->Identifier(std::move(id));
build_global($2, $3, $4, $5, $6, VAR_REGULAR);
}
| TOK_OPTION def_global_id opt_type init_class opt_init opt_attr ';'
{
IntrusivePtr id{AdoptRef{}, $2};
add_global(id, {AdoptRef{}, $3}, $4, {AdoptRef{}, $5},
std::unique_ptr<std::vector<AttrPtr>>{$6},
VAR_OPTION);
zeekygen_mgr->Identifier(std::move(id));
build_global($2, $3, $4, $5, $6, VAR_OPTION);
}
| TOK_CONST def_global_id opt_type init_class opt_init opt_attr ';'
{
IntrusivePtr id{AdoptRef{}, $2};
add_global(id, {AdoptRef{}, $3}, $4, {AdoptRef{}, $5},
std::unique_ptr<std::vector<AttrPtr>>{$6},
VAR_CONST);
zeekygen_mgr->Identifier(std::move(id));
build_global($2, $3, $4, $5, $6, VAR_CONST);
}
| TOK_REDEF global_id opt_type init_class opt_init opt_attr ';'
{
IntrusivePtr id{AdoptRef{}, $2};
ExprPtr init{AdoptRef{}, $5};
add_global(id, {AdoptRef{}, $3}, $4, init,
std::unique_ptr<std::vector<AttrPtr>>{$6},
VAR_REDEF);
zeekygen_mgr->Redef(id.get(), ::filename, $4, std::move(init));
build_global($2, $3, $4, $5, $6, VAR_REDEF);
}
| TOK_REDEF TOK_ENUM global_id TOK_ADD_TO '{'
@ -1637,23 +1655,13 @@ stmt:
| TOK_LOCAL local_id opt_type init_class opt_init opt_attr ';' opt_no_test
{
set_location(@1, @7);
$$ = add_local({AdoptRef{}, $2}, {AdoptRef{}, $3}, $4,
{AdoptRef{}, $5},
std::unique_ptr<std::vector<AttrPtr>>{$6},
VAR_REGULAR).release();
if ( ! $8 )
script_coverage_mgr.AddStmt($$);
$$ = build_local($2, $3, $4, $5, $6, VAR_REGULAR, ! $8).release();
}
| TOK_CONST local_id opt_type init_class opt_init opt_attr ';' opt_no_test
{
set_location(@1, @6);
$$ = add_local({AdoptRef{}, $2}, {AdoptRef{}, $3}, $4,
{AdoptRef{}, $5},
std::unique_ptr<std::vector<AttrPtr>>{$6},
VAR_CONST).release();
if ( ! $8 )
script_coverage_mgr.AddStmt($$);
$$ = build_local($2, $3, $4, $5, $6, VAR_CONST, ! $8).release();
}
| TOK_WHEN '(' when_condition ')' stmt