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avoid storing extra copy of function bodies; fix some minor memory leaks

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This commit is contained in:
Chet Ramey
2024-06-04 12:23:18 -04:00
parent f65ed506d4
commit dbb48b9786
6 changed files with 54 additions and 7 deletions
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parse.y
+11 -2
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@@ -1103,6 +1103,7 @@ coproc: COPROC shell_command
{
$$ = make_coproc_command ($2->word, $3);
$$->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
dispose_word ($2);
}
| COPROC WORD shell_command redirection_list
{
@@ -1120,6 +1121,7 @@ coproc: COPROC shell_command
tc->redirects = $4;
$$ = make_coproc_command ($2->word, $3);
$$->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
dispose_word ($2);
}
| COPROC simple_command
{
@@ -3518,15 +3520,20 @@ read_token (int command)
#if defined (COND_COMMAND)
if ((parser_state & (PST_CONDCMD|PST_CONDEXPR)) == PST_CONDCMD)
{
COMMAND *cond_command;
parser_state &= ~PST_CMDBLTIN;
cond_lineno = line_number;
parser_state |= PST_CONDEXPR;
yylval.command = parse_cond_command ();
cond_command = parse_cond_command ();
if (cond_token != COND_END)
{
cond_error ();
if (cond_token == WORD)
dispose_word (yylval.word);
dispose_command (cond_command);
return (-1);
}
yylval.command = cond_command;
token_to_read = COND_END;
parser_state &= ~(PST_CONDEXPR|PST_CONDCMD);
return (COND_CMD);
@@ -5042,7 +5049,7 @@ cond_term (void)
else if (tok == BANG || (tok == WORD && (yylval.word->word[0] == '!' && yylval.word->word[1] == '\0')))
{
if (tok == WORD)
dispose_word (yylval.word); /* not needed */
dispose_word (yylval.word); /* word not needed */
term = cond_term ();
if (term)
term->flags ^= CMD_INVERT_RETURN;
@@ -5118,6 +5125,8 @@ cond_term (void)
else
parser_error (line_number, _("conditional binary operator expected"));
dispose_cond_node (tleft);
if (tok == WORD)
dispose_word (yylval.word);
COND_RETURN_ERROR ();
}