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spirv-lint: add basic CLI argument handling (#4478)

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Mostly copied from spirv-opt. Simply reads in a single input file.
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dong-ja 2021-08-18 15:17:03 -05:00 committed by GitHub
parent a9ce5e07c6
commit 1ad8b71359
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2 changed files with 45 additions and 3 deletions
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1
BUILD.bazel
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@ -347,6 +347,7 @@ cc_binary(
cc_binary(
name = "spirv-lint",
srcs = [
"tools/io.h",
"tools/lint/lint.cpp",
],
copts = COMMON_COPTS,

47
tools/lint/lint.cpp
View File

@ -14,21 +14,62 @@
#include <iostream>
#include "source/opt/log.h"
#include "spirv-tools/linter.hpp"
#include "tools/io.h"
#include "tools/util/cli_consumer.h"
const auto kDefaultEnvironment = SPV_ENV_UNIVERSAL_1_5;
namespace {
// Status and actions to perform after parsing command-line arguments.
enum LintActions { LINT_CONTINUE, LINT_STOP };
struct LintStatus {
LintActions action;
int code;
};
// Parses command-line flags. |argc| contains the number of command-line flags.
// |argv| points to an array of strings holding the flags.
//
// On return, this function stores the name of the input program in |in_file|.
// The return value indicates whether optimization should continue and a status
// code indicating an error or success.
LintStatus ParseFlags(int argc, const char** argv, const char** in_file) {
// TODO (dongja): actually parse flags, etc.
if (argc != 2) {
spvtools::Error(spvtools::utils::CLIMessageConsumer, nullptr, {},
"expected exactly one argument: in_file");
return {LINT_STOP, 1};
}
*in_file = argv[1];
return {LINT_CONTINUE, 0};
}
} // namespace
int main(int argc, const char** argv) {
(void)argc;
(void)argv;
const char* in_file = nullptr;
spv_target_env target_env = kDefaultEnvironment;
spvtools::Linter linter(target_env);
linter.SetMessageConsumer(spvtools::utils::CLIMessageConsumer);
bool ok = linter.Run(nullptr, 0);
LintStatus status = ParseFlags(argc, argv, &in_file);
if (status.action == LINT_STOP) {
return status.code;
}
std::vector<uint32_t> binary;
if (!ReadBinaryFile(in_file, &binary)) {
return 1;
}
bool ok = linter.Run(binary.data(), binary.size());
return ok ? 0 : 1;
}