Commit | Line | Data |
---|---|---|
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 | ||
12 | #include <stdio.h> | |
13 | #include <unistd.h> | |
14 | #include <string.h> | |
15 | #include <stdlib.h> | |
16 | #include <assert.h> | |
17 | #include <errno.h> | |
18 | #include <inttypes.h> | |
953192ba | 19 | #include "filter-ast.h" |
95b9bd90 | 20 | #include "filter-parser.h" |
953192ba MD |
21 | #include "filter-bytecode.h" |
22 | ||
23 | int main(int argc, char **argv) | |
24 | { | |
25 | struct filter_parser_ctx *ctx; | |
26 | int ret; | |
14eabff9 MD |
27 | int print_xml = 0, generate_ir = 0, generate_bytecode = 0, |
28 | print_bytecode = 0; | |
953192ba MD |
29 | int i; |
30 | ||
31 | for (i = 1; i < argc; i++) { | |
32 | if (strcmp(argv[i], "-p") == 0) | |
33 | print_xml = 1; | |
34 | else if (strcmp(argv[i], "-i") == 0) | |
35 | generate_ir = 1; | |
36 | else if (strcmp(argv[i], "-b") == 0) | |
37 | generate_bytecode = 1; | |
38 | else if (strcmp(argv[i], "-d") == 0) | |
39 | filter_parser_debug = 1; | |
14eabff9 MD |
40 | else if (strcmp(argv[i], "-B") == 0) |
41 | print_bytecode = 1; | |
953192ba MD |
42 | } |
43 | ||
606757e4 SM |
44 | /* |
45 | * Force generate the bytecode if the user asks to print the bytecode | |
46 | * (can't print it without generating it first). | |
47 | */ | |
48 | if (print_bytecode) { | |
49 | generate_bytecode = 1; | |
50 | } | |
51 | ||
52 | /* | |
53 | * Force generate the IR if the user asks to generate the bytecode | |
54 | * (the bytecode is generated by visiting the IR). | |
55 | */ | |
56 | if (generate_bytecode) { | |
57 | generate_ir = 1; | |
58 | } | |
59 | ||
953192ba MD |
60 | ctx = filter_parser_ctx_alloc(stdin); |
61 | if (!ctx) { | |
62 | fprintf(stderr, "Error allocating parser\n"); | |
63 | goto alloc_error; | |
64 | } | |
65 | ret = filter_parser_ctx_append_ast(ctx); | |
66 | if (ret) { | |
67 | fprintf(stderr, "Parse error\n"); | |
68 | goto parse_error; | |
69 | } | |
953192ba MD |
70 | if (print_xml) { |
71 | ret = filter_visitor_print_xml(ctx, stdout, 0); | |
72 | if (ret) { | |
73 | fflush(stdout); | |
74 | fprintf(stderr, "XML print error\n"); | |
75 | goto parse_error; | |
76 | } | |
77 | } | |
78 | if (generate_ir) { | |
79 | printf("Generating IR... "); | |
80 | fflush(stdout); | |
81 | ret = filter_visitor_ir_generate(ctx); | |
82 | if (ret) { | |
83 | fprintf(stderr, "Generate IR error\n"); | |
84 | goto parse_error; | |
85 | } | |
86 | printf("done\n"); | |
87 | ||
88 | printf("Validating IR... "); | |
89 | fflush(stdout); | |
90 | ret = filter_visitor_ir_check_binary_op_nesting(ctx); | |
91 | if (ret) { | |
92 | goto parse_error; | |
93 | } | |
94 | printf("done\n"); | |
95 | } | |
96 | if (generate_bytecode) { | |
97 | printf("Generating bytecode... "); | |
98 | fflush(stdout); | |
99 | ret = filter_visitor_bytecode_generate(ctx); | |
100 | if (ret) { | |
101 | fprintf(stderr, "Generate bytecode error\n"); | |
102 | goto parse_error; | |
103 | } | |
104 | printf("done\n"); | |
105 | printf("Size of bytecode generated: %u bytes.\n", | |
106 | bytecode_get_len(&ctx->bytecode->b)); | |
107 | } | |
953192ba | 108 | |
14eabff9 MD |
109 | if (print_bytecode) { |
110 | unsigned int bytecode_len, len, i; | |
111 | ||
112 | len = bytecode_get_len(&ctx->bytecode->b); | |
113 | bytecode_len = ctx->bytecode->b.reloc_table_offset; | |
114 | printf("Bytecode:\n"); | |
115 | for (i = 0; i < bytecode_len; i++) { | |
116 | printf("0x%X ", | |
117 | ((uint8_t *) ctx->bytecode->b.data)[i]); | |
118 | } | |
119 | printf("\n"); | |
120 | printf("Reloc table:\n"); | |
121 | for (i = bytecode_len; i < len;) { | |
122 | printf("{ 0x%X, ", | |
123 | *(uint16_t *) &ctx->bytecode->b.data[i]); | |
124 | i += sizeof(uint16_t); | |
125 | printf("%s } ", &((char *) ctx->bytecode->b.data)[i]); | |
126 | i += strlen(&((char *) ctx->bytecode->b.data)[i]) + 1; | |
127 | } | |
128 | printf("\n"); | |
129 | } | |
130 | ||
953192ba MD |
131 | filter_bytecode_free(ctx); |
132 | filter_ir_free(ctx); | |
133 | filter_parser_ctx_free(ctx); | |
134 | return 0; | |
135 | ||
136 | parse_error: | |
137 | filter_bytecode_free(ctx); | |
138 | filter_ir_free(ctx); | |
139 | filter_parser_ctx_free(ctx); | |
140 | alloc_error: | |
141 | exit(EXIT_FAILURE); | |
142 | } |