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add specific package imports and tests

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Rahul Bhagwat 2025-11-08 23:05:10 +05:30
parent 5d0847f6fb
commit 224109151d
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5 changed files with 91 additions and 2 deletions
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33
frontends/verilog/verilog_parser.y
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@ -428,6 +428,7 @@
#include <map>
#include <string>
#include <memory>
#include <vector>
#include "frontends/verilog/verilog_frontend.h"
struct specify_target {
@ -462,6 +463,7 @@
using string_t = std::unique_ptr<std::string>;
using ast_t = std::unique_ptr<YOSYS_NAMESPACE_PREFIX AST::AstNode>;
using ast_list_t = std::vector<ast_t>;
using al_t = std::unique_ptr<YOSYS_NAMESPACE_PREFIX dict<YOSYS_NAMESPACE_PREFIX RTLIL::IdString, std::unique_ptr<YOSYS_NAMESPACE_PREFIX AST::AstNode>>>;
using specify_target_ptr_t = std::unique_ptr<struct specify_target>;
using specify_triple_ptr_t = std::unique_ptr<struct specify_triple>;
@ -557,6 +559,8 @@
%type <ast_t> struct_union
%type <ast_node_type_t> asgn_binop inc_or_dec_op
%type <ast_t> genvar_identifier
%type <ast_list_t> import_item_list
%type <ast_t> import_item
%type <specify_target_ptr_t> specify_target
%type <specify_triple_ptr_t> specify_triple specify_opt_triple
@ -830,10 +834,37 @@ package_body_stmt:
import_stmt:
TOK_IMPORT hierarchical_id TOK_PACKAGESEP TOK_ASTER TOK_SEMICOL {
// Create an import node to track package imports
// Create an import node to track specific and wildcard package imports
auto import_node = std::make_unique<AstNode>(@$, AST_IMPORT);
import_node->str = *$2;
extra->ast_stack.back()->children.push_back(std::move(import_node));
} |
TOK_IMPORT hierarchical_id TOK_PACKAGESEP import_item_list TOK_SEMICOL {
// Create an import node to track specific package imports
auto import_node = std::make_unique<AstNode>(@$, AST_IMPORT);
import_node->str = *$2;
// Move children from import_item_list to import_node
import_node->children = std::move($4);
extra->ast_stack.back()->children.push_back(std::move(import_node));
};
import_item_list:
import_item {
ast_list_t list;
list.push_back(std::move($1));
$$ = std::move(list);
} |
import_item_list TOK_COMMA import_item {
$1.push_back(std::move($3));
$$ = std::move($1);
};
import_item:
TOK_ID {
// Create a simple node to store the imported item name
auto item_node = std::make_unique<AstNode>(@$, AST_NONE);
item_node->str = *$1;
$$ = std::move(item_node);
};
interface: