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flags.cc
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flags.cc
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// Copyright 2015 Google Inc. All rights reserved
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build ignore
#include "flags.h"
#include <stdlib.h>
#include <unistd.h>
#include "log.h"
#include "strutil.h"
Flags g_flags;
static bool ParseCommandLineOptionWithArg(StringPiece option,
char* argv[],
int* index,
const char** out_arg) {
const char* arg = argv[*index];
if (!HasPrefix(arg, option))
return false;
if (arg[option.size()] == '\0') {
++*index;
*out_arg = argv[*index];
return true;
}
if (arg[option.size()] == '=') {
*out_arg = arg + option.size() + 1;
return true;
}
// E.g, -j999
if (option.size() == 2) {
*out_arg = arg + option.size();
return true;
}
return false;
}
void Flags::Parse(int argc, char** argv) {
subkati_args.push_back(argv[0]);
num_jobs = num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
const char* num_jobs_str;
if (const char* makeflags = getenv("MAKEFLAGS")) {
for (StringPiece tok : WordScanner(makeflags)) {
if (!HasPrefix(tok, "-") && tok.find('=') != string::npos)
cl_vars.push_back(tok);
}
}
for (int i = 1; i < argc; i++) {
const char* arg = argv[i];
bool should_propagate = true;
int pi = i;
if (!strcmp(arg, "-f")) {
makefile = argv[++i];
should_propagate = false;
} else if (!strcmp(arg, "-c")) {
is_syntax_check_only = true;
} else if (!strcmp(arg, "-i")) {
is_dry_run = true;
} else if (!strcmp(arg, "-s")) {
is_silent_mode = true;
} else if (!strcmp(arg, "-d")) {
enable_debug = true;
} else if (!strcmp(arg, "--kati_stats")) {
enable_stat_logs = true;
} else if (!strcmp(arg, "--warn")) {
enable_kati_warnings = true;
} else if (!strcmp(arg, "--ninja")) {
generate_ninja = true;
} else if (!strcmp(arg, "--gen_all_targets")) {
gen_all_targets = true;
} else if (!strcmp(arg, "--regen")) {
// TODO: Make this default.
regen = true;
} else if (!strcmp(arg, "--regen_debug")) {
regen_debug = true;
} else if (!strcmp(arg, "--regen_ignoring_kati_binary")) {
regen_ignoring_kati_binary = true;
} else if (!strcmp(arg, "--dump_kati_stamp")) {
dump_kati_stamp = true;
regen_debug = true;
} else if (!strcmp(arg, "--detect_android_echo")) {
detect_android_echo = true;
} else if (!strcmp(arg, "--detect_depfiles")) {
detect_depfiles = true;
} else if (!strcmp(arg, "--color_warnings")) {
color_warnings = true;
} else if (ParseCommandLineOptionWithArg(
"-j", argv, &i, &num_jobs_str)) {
num_jobs = strtol(num_jobs_str, NULL, 10);
if (num_jobs <= 0) {
ERROR("Invalid -j flag: %s", num_jobs_str);
}
} else if (ParseCommandLineOptionWithArg(
"--remote_num_jobs", argv, &i, &num_jobs_str)) {
remote_num_jobs = strtol(num_jobs_str, NULL, 10);
if (remote_num_jobs <= 0) {
ERROR("Invalid -j flag: %s", num_jobs_str);
}
} else if (ParseCommandLineOptionWithArg(
"--ninja_suffix", argv, &i, &ninja_suffix)) {
} else if (ParseCommandLineOptionWithArg(
"--ninja_dir", argv, &i, &ninja_dir)) {
} else if (!strcmp(arg, "--use_find_emulator")) {
use_find_emulator = true;
} else if (ParseCommandLineOptionWithArg(
"--goma_dir", argv, &i, &goma_dir)) {
} else if (ParseCommandLineOptionWithArg(
"--ignore_optional_include",
argv, &i, &ignore_optional_include_pattern)) {
} else if (ParseCommandLineOptionWithArg(
"--ignore_dirty",
argv, &i, &ignore_dirty_pattern)) {
} else if (ParseCommandLineOptionWithArg(
"--no_ignore_dirty",
argv, &i, &no_ignore_dirty_pattern)) {
} else if (arg[0] == '-') {
ERROR("Unknown flag: %s", arg);
} else {
if (strchr(arg, '=')) {
cl_vars.push_back(arg);
} else {
should_propagate = false;
targets.push_back(Intern(arg));
}
}
if (should_propagate) {
for (; pi <= i; pi++) {
subkati_args.push_back(argv[pi]);
}
}
}
}