From 394191d5b78ee88a058463b156c75919c8969005 Mon Sep 17 00:00:00 2001
From: Jiri Olsa <jolsa@kernel.org>
Date: Fri, 28 Feb 2020 10:36:12 +0100
Subject: [PATCH 052/201] perf expr: Add expr.c object

mainline inclusion
from mainline-v5.7-rc1
commit 576a65b6974ddc830a89b6feb6823bd6b5914bde
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8C0CX

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=576a65b6974ddc830a89b6feb6823bd6b5914bde

----------------------------------------------------------------------

Add generic expr code into new expr.c object.

The expr.c object will be mainly used in following change that will get
rid of the manual flex code,

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Link: http://lore.kernel.org/lkml/20200228093616.67125-2-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: hongrongxuan <hongrongxuan@huawei.com>

  Conflicts:
	tools/perf/util/Build
---
 tools/perf/util/Build  |  1 +
 tools/perf/util/expr.c | 19 +++++++++++++++++++
 tools/perf/util/expr.y | 15 ---------------
 3 files changed, 20 insertions(+), 15 deletions(-)
 create mode 100644 tools/perf/util/expr.c

diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index de3b99f927ac..a7d2bb7edb2d 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -106,6 +106,7 @@ libperf-y += drv_configs.o
 libperf-y += units.o
 libperf-y += time-utils.o
 libperf-y += expr-bison.o
+libperf-y += expr.o
 libperf-y += branch.o
 libperf-y += mem2node.o
 
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
new file mode 100644
index 000000000000..816b23b2068a
--- /dev/null
+++ b/tools/perf/util/expr.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <assert.h>
+#include "expr.h"
+
+/* Caller must make sure id is allocated */
+void expr__add_id(struct parse_ctx *ctx, const char *name, double val)
+{
+	int idx;
+
+	assert(ctx->num_ids < MAX_PARSE_ID);
+	idx = ctx->num_ids++;
+	ctx->ids[idx].name = name;
+	ctx->ids[idx].val = val;
+}
+
+void expr__ctx_init(struct parse_ctx *ctx)
+{
+	ctx->num_ids = 0;
+}
diff --git a/tools/perf/util/expr.y b/tools/perf/util/expr.y
index e7bd19c384ae..5f75e27d1bd8 100644
--- a/tools/perf/util/expr.y
+++ b/tools/perf/util/expr.y
@@ -167,21 +167,6 @@ static int expr__lex(YYSTYPE *res, const char **pp)
 	return tok;
 }
 
-/* Caller must make sure id is allocated */
-void expr__add_id(struct parse_ctx *ctx, const char *name, double val)
-{
-	int idx;
-	assert(ctx->num_ids < MAX_PARSE_ID);
-	idx = ctx->num_ids++;
-	ctx->ids[idx].name = name;
-	ctx->ids[idx].val = val;
-}
-
-void expr__ctx_init(struct parse_ctx *ctx)
-{
-	ctx->num_ids = 0;
-}
-
 static bool already_seen(const char *val, const char *one, const char **other,
 			 int num_other)
 {
-- 
2.27.0