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-rw-r--r--discover/grub2/parser.y27
1 files changed, 23 insertions, 4 deletions
diff --git a/discover/grub2/parser.y b/discover/grub2/parser.y
index 52dac9c..81856df 100644
--- a/discover/grub2/parser.y
+++ b/discover/grub2/parser.y
@@ -48,6 +48,8 @@ static void yyerror(struct grub2_parser *, char const *s);
%type <statement> statement
%type <statements> statements
%type <statement> conditional
+%type <statement> elif
+%type <statements> elifs
%type <argv> words
%type <word> word
@@ -80,6 +82,18 @@ conditional: statement TOKEN_EOL "then" TOKEN_EOL statements {
$$ = create_statement_conditional(parser, $1, $5);
}
+elif: "elif" TOKEN_DELIM conditional {
+ $$ = $3;
+ }
+
+elifs: /* empty */ {
+ $$ = create_statements(parser);
+ }
+ | elifs elif {
+ statement_append($1, $2);
+ $$ = $1;
+ }
+
statement:
words {
$$ = create_statement_simple(parser, $1);
@@ -87,14 +101,15 @@ statement:
| '{' statements '}' {
$$ = create_statement_block(parser, $2);
}
- | "if" TOKEN_DELIM conditional "fi" {
- $$ = create_statement_if(parser, $3, NULL);
+ | "if" TOKEN_DELIM conditional elifs "fi" {
+ $$ = create_statement_if(parser, $3, $4, NULL);
}
| "if" TOKEN_DELIM conditional
+ elifs
"else" TOKEN_EOL
statements
"fi" {
- $$ = create_statement_if(parser, $3, $6);
+ $$ = create_statement_if(parser, $3, $4, $7);
}
| "function" TOKEN_DELIM word TOKEN_DELIM '{' statements '}' {
$$ = create_statement_function(parser, $3, $6);
@@ -178,13 +193,17 @@ struct grub2_statement *create_statement_conditional(
struct grub2_statement *create_statement_if(struct grub2_parser *parser,
struct grub2_statement *conditional,
+ struct grub2_statements *elifs,
struct grub2_statements *else_case)
{
struct grub2_statement_if *stmt =
talloc(parser, struct grub2_statement_if);
+
+ list_add(&elifs->list, &conditional->list);
+
stmt->st.type = STMT_TYPE_IF;
stmt->st.exec = statement_if_execute;
- stmt->conditional = conditional;
+ stmt->conditionals = elifs;
stmt->else_case = else_case;
return &stmt->st;
}
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