X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fcommon%2Ffilter-grammar-test.c;fp=src%2Fcommon%2Ffilter-grammar-test.c;h=bd21cf877adffbfe928f209eb34d98b205d9e49a;hb=e358ddd51a5be6017f524523ac10d7c17fb78f65;hp=0000000000000000000000000000000000000000;hpb=651dd74ddc4e98f443888d3afea237df85ca1b22;p=lttng-tools.git

diff --git a/src/common/filter-grammar-test.c b/src/common/filter-grammar-test.c
new file mode 100644
index 000000000..bd21cf877
--- /dev/null
+++ b/src/common/filter-grammar-test.c
@@ -0,0 +1,148 @@
+/*
+ * filter-grammar-test.c
+ *
+ * LTTng filter grammar test
+ *
+ * Copyright 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <inttypes.h>
+
+#include <common/compat/errno.h>
+#include "common/bytecode/bytecode.h"
+#include "filter/filter-ast.h"
+#include "filter/filter-parser.h"
+
+/* For error.h */
+int lttng_opt_quiet = 1;
+int lttng_opt_verbose;
+int lttng_opt_mi;
+
+int main(int argc, char **argv)
+{
+	struct filter_parser_ctx *ctx;
+	int ret;
+	int print_xml = 0, generate_ir = 0, generate_bytecode = 0,
+		print_bytecode = 0;
+	int argidx;
+
+	for (argidx = 1; argidx < argc; argidx++) {
+		if (strcmp(argv[argidx], "-p") == 0)
+			print_xml = 1;
+		else if (strcmp(argv[argidx], "-i") == 0)
+			generate_ir = 1;
+		else if (strcmp(argv[argidx], "-b") == 0)
+			generate_bytecode = 1;
+		else if (strcmp(argv[argidx], "-d") == 0)
+			filter_parser_debug = 1;
+		else if (strcmp(argv[argidx], "-B") == 0)
+			print_bytecode = 1;
+	}
+
+	/*
+	 * Force generate the bytecode if the user asks to print the bytecode
+	 * (can't print it without generating it first).
+	 */
+	if (print_bytecode) {
+		generate_bytecode = 1;
+	}
+
+	/*
+	 * Force generate the IR if the user asks to generate the bytecode
+	 * (the bytecode is generated by visiting the IR).
+	 */
+	if (generate_bytecode) {
+		generate_ir = 1;
+	}
+
+	ctx = filter_parser_ctx_alloc(stdin);
+	if (!ctx) {
+		fprintf(stderr, "Error allocating parser\n");
+		goto alloc_error;
+	}
+	ret = filter_parser_ctx_append_ast(ctx);
+	if (ret) {
+		fprintf(stderr, "Parse error\n");
+		goto parse_error;
+	}
+	if (print_xml) {
+		ret = filter_visitor_print_xml(ctx, stdout, 0);
+		if (ret) {
+			fflush(stdout);
+			fprintf(stderr, "XML print error\n");
+			goto parse_error;
+		}
+	}
+	if (generate_ir) {
+		printf("Generating IR... ");
+		fflush(stdout);
+		ret = filter_visitor_ir_generate(ctx);
+		if (ret) {
+			fprintf(stderr, "Generate IR error\n");
+			goto parse_error;
+		}
+		printf("done\n");
+
+		printf("Validating IR... ");
+		fflush(stdout);
+		ret = filter_visitor_ir_check_binary_op_nesting(ctx);
+		if (ret) {
+			goto parse_error;
+		}
+		printf("done\n");
+	}
+	if (generate_bytecode) {
+		printf("Generating bytecode... ");
+		fflush(stdout);
+		ret = filter_visitor_bytecode_generate(ctx);
+		if (ret) {
+			fprintf(stderr, "Generate bytecode error\n");
+			goto parse_error;
+		}
+		printf("done\n");
+		printf("Size of bytecode generated: %u bytes.\n",
+			bytecode_get_len(&ctx->bytecode->b));
+	}
+
+	if (print_bytecode) {
+		unsigned int bytecode_len, len, i;
+
+		len = bytecode_get_len(&ctx->bytecode->b);
+		bytecode_len = ctx->bytecode->b.reloc_table_offset;
+		printf("Bytecode:\n");
+		for (i = 0; i < bytecode_len; i++) {
+			printf("0x%X ",
+				((uint8_t *) ctx->bytecode->b.data)[i]);
+		}
+		printf("\n");
+		printf("Reloc table:\n");
+		for (i = bytecode_len; i < len;) {
+			printf("{ 0x%X, ",
+				*(uint16_t *) &ctx->bytecode->b.data[i]);
+			i += sizeof(uint16_t);
+			printf("%s } ", &((char *) ctx->bytecode->b.data)[i]);
+			i += strlen(&((char *) ctx->bytecode->b.data)[i]) + 1;
+		}
+		printf("\n");
+	}
+
+	filter_bytecode_free(ctx);
+	filter_ir_free(ctx);
+	filter_parser_ctx_free(ctx);
+	return 0;
+
+parse_error:
+	filter_bytecode_free(ctx);
+	filter_ir_free(ctx);
+	filter_parser_ctx_free(ctx);
+alloc_error:
+	exit(EXIT_FAILURE);
+}