Commit 576a65b6 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

perf expr: Add expr.c object 



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: default avatarJiri Olsa <jolsa@kernel.org>
Reviewed-by: default avatarAndi 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 277ce1ef

tools/perf/util/Build

+1 −0
Original line number Diff line number Diff line
@@ -122,6 +122,7 @@ perf-y += vsprintf.o 
perf-y += units.o

perf-y += time-utils.o

perf-y += expr-bison.o

perf-y += expr.o

perf-y += branch.o

perf-y += mem2node.o

tools/perf/util/expr.c

0 → 100644
+19 −0
Original line number Diff line number Diff line 
// 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;

}

tools/perf/util/expr.y

+0 −16
Original line number Diff line number Diff line
@@ -6,7 +6,6 @@ 
#define IN_EXPR_Y 1

#include "expr.h"

#include "smt.h"

#include <assert.h>

#include <string.h>



#define MAXIDLEN 256
@@ -169,21 +168,6 @@ 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)

{

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