Commit | Line | Data |
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953192ba MD |
1 | /* |
2 | * filter-grammar-test.c | |
3 | * | |
4 | * LTTng filter grammar test | |
5 | * | |
ab5be9fa | 6 | * Copyright 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
953192ba | 7 | * |
ab5be9fa | 8 | * SPDX-License-Identifier: LGPL-2.1-only |
953192ba | 9 | * |
953192ba MD |
10 | */ |
11 | ||
c9e313bc | 12 | #include <common/bytecode/bytecode.hpp> |
28ab034a | 13 | #include <common/compat/errno.hpp> |
c9e313bc | 14 | #include <common/filter/filter-ast.hpp> |
348ddc5c | 15 | #include <common/filter/filter-parser.hpp> |
e358ddd5 | 16 | |
28ab034a JG |
17 | #include <inttypes.h> |
18 | #include <stdio.h> | |
19 | #include <stdlib.h> | |
20 | #include <string.h> | |
21 | #include <unistd.h> | |
22 | ||
e358ddd5 JG |
23 | /* For error.h */ |
24 | int lttng_opt_quiet = 1; | |
25 | int lttng_opt_verbose; | |
26 | int lttng_opt_mi; | |
953192ba MD |
27 | |
28 | int main(int argc, char **argv) | |
29 | { | |
30 | struct filter_parser_ctx *ctx; | |
31 | int ret; | |
28ab034a | 32 | int print_xml = 0, generate_ir = 0, generate_bytecode = 0, print_bytecode = 0; |
5ab21cac | 33 | int argidx; |
953192ba | 34 | |
5ab21cac SM |
35 | for (argidx = 1; argidx < argc; argidx++) { |
36 | if (strcmp(argv[argidx], "-p") == 0) | |
953192ba | 37 | print_xml = 1; |
5ab21cac | 38 | else if (strcmp(argv[argidx], "-i") == 0) |
953192ba | 39 | generate_ir = 1; |
5ab21cac | 40 | else if (strcmp(argv[argidx], "-b") == 0) |
953192ba | 41 | generate_bytecode = 1; |
5ab21cac | 42 | else if (strcmp(argv[argidx], "-d") == 0) |
953192ba | 43 | filter_parser_debug = 1; |
5ab21cac | 44 | else if (strcmp(argv[argidx], "-B") == 0) |
14eabff9 | 45 | print_bytecode = 1; |
953192ba MD |
46 | } |
47 | ||
606757e4 SM |
48 | /* |
49 | * Force generate the bytecode if the user asks to print the bytecode | |
50 | * (can't print it without generating it first). | |
51 | */ | |
52 | if (print_bytecode) { | |
53 | generate_bytecode = 1; | |
54 | } | |
55 | ||
56 | /* | |
57 | * Force generate the IR if the user asks to generate the bytecode | |
58 | * (the bytecode is generated by visiting the IR). | |
59 | */ | |
60 | if (generate_bytecode) { | |
61 | generate_ir = 1; | |
62 | } | |
63 | ||
953192ba MD |
64 | ctx = filter_parser_ctx_alloc(stdin); |
65 | if (!ctx) { | |
66 | fprintf(stderr, "Error allocating parser\n"); | |
67 | goto alloc_error; | |
68 | } | |
69 | ret = filter_parser_ctx_append_ast(ctx); | |
70 | if (ret) { | |
71 | fprintf(stderr, "Parse error\n"); | |
72 | goto parse_error; | |
73 | } | |
953192ba MD |
74 | if (print_xml) { |
75 | ret = filter_visitor_print_xml(ctx, stdout, 0); | |
76 | if (ret) { | |
77 | fflush(stdout); | |
78 | fprintf(stderr, "XML print error\n"); | |
79 | goto parse_error; | |
80 | } | |
81 | } | |
82 | if (generate_ir) { | |
83 | printf("Generating IR... "); | |
84 | fflush(stdout); | |
85 | ret = filter_visitor_ir_generate(ctx); | |
86 | if (ret) { | |
87 | fprintf(stderr, "Generate IR error\n"); | |
88 | goto parse_error; | |
89 | } | |
90 | printf("done\n"); | |
91 | ||
92 | printf("Validating IR... "); | |
93 | fflush(stdout); | |
94 | ret = filter_visitor_ir_check_binary_op_nesting(ctx); | |
95 | if (ret) { | |
96 | goto parse_error; | |
97 | } | |
98 | printf("done\n"); | |
99 | } | |
100 | if (generate_bytecode) { | |
101 | printf("Generating bytecode... "); | |
102 | fflush(stdout); | |
103 | ret = filter_visitor_bytecode_generate(ctx); | |
104 | if (ret) { | |
105 | fprintf(stderr, "Generate bytecode error\n"); | |
106 | goto parse_error; | |
107 | } | |
108 | printf("done\n"); | |
109 | printf("Size of bytecode generated: %u bytes.\n", | |
28ab034a | 110 | bytecode_get_len(&ctx->bytecode->b)); |
953192ba | 111 | } |
953192ba | 112 | |
14eabff9 MD |
113 | if (print_bytecode) { |
114 | unsigned int bytecode_len, len, i; | |
115 | ||
116 | len = bytecode_get_len(&ctx->bytecode->b); | |
117 | bytecode_len = ctx->bytecode->b.reloc_table_offset; | |
118 | printf("Bytecode:\n"); | |
119 | for (i = 0; i < bytecode_len; i++) { | |
28ab034a | 120 | printf("0x%X ", ((uint8_t *) ctx->bytecode->b.data)[i]); |
14eabff9 MD |
121 | } |
122 | printf("\n"); | |
123 | printf("Reloc table:\n"); | |
124 | for (i = bytecode_len; i < len;) { | |
28ab034a | 125 | printf("{ 0x%X, ", *(uint16_t *) &ctx->bytecode->b.data[i]); |
14eabff9 MD |
126 | i += sizeof(uint16_t); |
127 | printf("%s } ", &((char *) ctx->bytecode->b.data)[i]); | |
128 | i += strlen(&((char *) ctx->bytecode->b.data)[i]) + 1; | |
129 | } | |
130 | printf("\n"); | |
131 | } | |
132 | ||
953192ba MD |
133 | filter_bytecode_free(ctx); |
134 | filter_ir_free(ctx); | |
135 | filter_parser_ctx_free(ctx); | |
136 | return 0; | |
137 | ||
138 | parse_error: | |
139 | filter_bytecode_free(ctx); | |
140 | filter_ir_free(ctx); | |
141 | filter_parser_ctx_free(ctx); | |
142 | alloc_error: | |
143 | exit(EXIT_FAILURE); | |
144 | } |