From: Christian Babeux <christian.babeux@efficios.com>
Date: Wed, 22 Aug 2012 13:34:03 +0000 (-0400)
Subject: Filter: Handle the unary bitwise not operator (~) with an unsupported op error
X-Git-Tag: v2.1.0-rc2~3
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=ab78f161f9a86f7fa4aad5de770499f52b452439;p=lttng-tools.git

Filter: Handle the unary bitwise not operator (~) with an unsupported op error

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Christian Babeux <christian.babeux@efficios.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>
---

diff --git a/src/lib/lttng-ctl/filter-ast.h b/src/lib/lttng-ctl/filter-ast.h
index 97793c00b..176716474 100644
--- a/src/lib/lttng-ctl/filter-ast.h
+++ b/src/lib/lttng-ctl/filter-ast.h
@@ -91,6 +91,7 @@ enum unary_op_type {
 	AST_UNARY_PLUS,
 	AST_UNARY_MINUS,
 	AST_UNARY_NOT,
+	AST_UNARY_BIN_NOT,
 };
 
 enum ast_link_type {
diff --git a/src/lib/lttng-ctl/filter-parser.y b/src/lib/lttng-ctl/filter-parser.y
index 4ee1d9a5d..d3be4be5b 100644
--- a/src/lib/lttng-ctl/filter-parser.y
+++ b/src/lib/lttng-ctl/filter-parser.y
@@ -481,6 +481,11 @@ unary_operator
 			$$ = make_node(parser_ctx, NODE_UNARY_OP);
 			$$->u.unary_op.type = AST_UNARY_NOT;
 		}
+	| NOT_BIN
+		{
+			$$ = make_node(parser_ctx, NODE_UNARY_OP);
+			$$->u.unary_op.type = AST_UNARY_BIN_NOT;
+		}
 	;
 
 multiplicative_expression
diff --git a/src/lib/lttng-ctl/filter-visitor-generate-ir.c b/src/lib/lttng-ctl/filter-visitor-generate-ir.c
index 899713ee6..d23372f4b 100644
--- a/src/lib/lttng-ctl/filter-visitor-generate-ir.c
+++ b/src/lib/lttng-ctl/filter-visitor-generate-ir.c
@@ -652,6 +652,8 @@ static
 struct ir_op *make_unary_op(struct filter_parser_ctx *ctx,
 		struct filter_node *node, enum ir_side side)
 {
+	const char *op_str = "?";
+
 	switch (node->u.unary_op.type) {
 	case AST_UNARY_UNKNOWN:
 	default:
@@ -703,7 +705,17 @@ struct ir_op *make_unary_op(struct filter_parser_ctx *ctx,
 		}
 		return op;
 	}
+	case AST_UNARY_BIN_NOT:
+	{
+		op_str = "~";
+		goto error_not_supported;
+	}
 	}
+
+error_not_supported:
+	fprintf(stderr, "[error] %s: unary operation '%s' not supported\n",
+		__func__, op_str);
+	return NULL;
 }
 
 static