mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-12-04 16:30:06 +00:00
f80696eaf6
[val] Add extra context to error messages. This CL extends the error messages produced by the validator to output the disassembly of the errored line. The validation_id messages have also been updated to print the line number of the error instead of the word number. Note, the error number is from the start of the SPIR-V, it does not include any headers printed in the disassembled code. Fixes #670, #1581
81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
// Copyright (c) 2016 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef LIBSPIRV_TOOLS_IO_H_
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#define LIBSPIRV_TOOLS_IO_H_
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#include <cstdint>
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#include <cstdio>
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#include <vector>
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// Appends the content from the file named as |filename| to |data|, assuming
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// each element in the file is of type |T|. The file is opened with the given
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// |mode|. If |filename| is nullptr or "-", reads from the standard input. If
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// any error occurs, writes error messages to standard error and returns false.
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template <typename T>
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bool ReadFile(const char* filename, const char* mode, std::vector<T>* data) {
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const int buf_size = 1024;
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const bool use_file = filename && strcmp("-", filename);
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if (FILE* fp = (use_file ? fopen(filename, mode) : stdin)) {
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T buf[buf_size];
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while (size_t len = fread(buf, sizeof(T), buf_size, fp)) {
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data->insert(data->end(), buf, buf + len);
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}
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if (ftell(fp) == -1L) {
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if (ferror(fp)) {
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fprintf(stderr, "error: error reading file '%s'\n", filename);
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return false;
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}
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} else {
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if (sizeof(T) != 1 && (ftell(fp) % sizeof(T))) {
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fprintf(
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stderr,
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"error: file size should be a multiple of %zd; file '%s' corrupt\n",
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sizeof(T), filename);
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return false;
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}
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}
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if (use_file) fclose(fp);
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} else {
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fprintf(stderr, "error: file does not exist '%s'\n", filename);
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return false;
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}
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return true;
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}
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// Writes the given |data| into the file named as |filename| using the given
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// |mode|, assuming |data| is an array of |count| elements of type |T|. If
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// |filename| is nullptr or "-", writes to standard output. If any error occurs,
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// returns false and outputs error message to standard error.
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template <typename T>
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bool WriteFile(const char* filename, const char* mode, const T* data,
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size_t count) {
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const bool use_stdout =
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!filename || (filename[0] == '-' && filename[1] == '\0');
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if (FILE* fp = (use_stdout ? stdout : fopen(filename, mode))) {
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size_t written = fwrite(data, sizeof(T), count, fp);
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if (count != written) {
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fprintf(stderr, "error: could not write to file '%s'\n", filename);
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return false;
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}
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if (!use_stdout) fclose(fp);
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} else {
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fprintf(stderr, "error: could not open file '%s'\n", filename);
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return false;
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}
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return true;
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}
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#endif // LIBSPIRV_TOOLS_IO_H_
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