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Support array ranges for identifiers in the Liberty parser.

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This change only handles the case `id : id[range] ;`.
This commit is contained in:
Sean Luchen 2025-03-31 10:47:39 -07:00
parent ac1033ecd5
commit 23f59e0196
2 changed files with 5 additions and 3 deletions
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4
passes/techmap/libparse.cc
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@ -436,7 +436,9 @@ LibertyAst *LibertyParser::parse()
if (tok == ':' && ast->value.empty()) { if (tok == ':' && ast->value.empty()) {
tok = lexer(ast->value); tok = lexer(ast->value);
if (tok == 'v') { if (tok == 'v') {
tok = lexer(str); tok = lexer(str);
if (tok == '[')
tok = parse_vector_range(tok);
} }
while (tok == '+' || tok == '-' || tok == '*' || tok == '/' || tok == '!') { while (tok == '+' || tok == '-' || tok == '*' || tok == '/' || tok == '!') {
ast->value += tok; ast->value += tok;

4
passes/techmap/libparse.h
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@ -105,8 +105,8 @@ namespace Yosys
*/ */
int lexer(std::string &str); int lexer(std::string &str);
void report_unexpected_token(int tok); void report_unexpected_token(int tok);
int parse_vector_range(int tok); int parse_vector_range(int tok);
LibertyAst *parse(); LibertyAst *parse();
void error() const; void error() const;
void error(const std::string &str) const; void error(const std::string &str) const;