Shinichiro Hamaji | b69bf8a | 2015-06-10 14:52:06 +0900 | [diff] [blame] | 1 | // Copyright 2015 Google Inc. All rights reserved |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
Fumitoshi Ukai | 744bb2b | 2015-06-25 00:10:52 +0900 | [diff] [blame] | 15 | package kati |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 16 | |
| 17 | import ( |
| 18 | "bytes" |
| 19 | "fmt" |
| 20 | "os" |
Shinichiro Hamaji | 11c4584 | 2015-05-27 19:02:07 +0900 | [diff] [blame] | 21 | "path/filepath" |
Shinichiro Hamaji | bcecb50 | 2015-06-04 16:20:25 +0900 | [diff] [blame] | 22 | "regexp" |
| 23 | "runtime" |
Fumitoshi Ukai | e08e9ee | 2015-07-13 13:14:41 +0900 | [diff] [blame] | 24 | "sort" |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 25 | "strings" |
Fumitoshi Ukai | 49599e5 | 2015-06-26 10:10:24 +0900 | [diff] [blame] | 26 | "time" |
Fumitoshi Ukai | f90f73c | 2015-07-28 14:37:02 +0900 | [diff] [blame] | 27 | |
| 28 | "github.com/golang/glog" |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 29 | ) |
| 30 | |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 31 | // NinjaGenerator generates ninja build files from DepGraph. |
| 32 | type NinjaGenerator struct { |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 33 | // Args is original arguments to generate the ninja file. |
| 34 | Args []string |
| 35 | // Suffix is suffix for generated files. |
| 36 | Suffix string |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 37 | // GomaDir is goma directory. If empty, goma will not be used. |
| 38 | GomaDir string |
Fumitoshi Ukai | b92f028 | 2015-07-21 14:05:51 +0900 | [diff] [blame] | 39 | // DetectAndroidEcho detects echo as description. |
| 40 | DetectAndroidEcho bool |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 41 | // ErrorOnEnvChange cause error when env change is detected when run ninja. |
| 42 | ErrorOnEnvChange bool |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 43 | |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 44 | f *os.File |
| 45 | nodes []*DepNode |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 46 | exports map[string]bool |
Fumitoshi Ukai | a70b4ea | 2015-06-30 15:31:49 +0900 | [diff] [blame] | 47 | |
| 48 | ctx *execContext |
| 49 | |
Fumitoshi Ukai | 73b0b24 | 2015-07-28 16:55:26 +0900 | [diff] [blame] | 50 | ruleID int |
| 51 | // true: rule emitted |
| 52 | // false: visited, but no rule emitted |
| 53 | // undef: not visited yet |
Fumitoshi Ukai | e08e9ee | 2015-07-13 13:14:41 +0900 | [diff] [blame] | 54 | done map[string]bool |
| 55 | shortNames map[string][]string |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 56 | } |
| 57 | |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 58 | func (n *NinjaGenerator) init(g *DepGraph) { |
| 59 | n.nodes = g.nodes |
| 60 | n.exports = g.exports |
| 61 | n.ctx = newExecContext(g.vars, g.vpaths, true) |
| 62 | n.done = make(map[string]bool) |
| 63 | n.shortNames = make(map[string][]string) |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 64 | } |
| 65 | |
Shinichiro Hamaji | 74ab4b6 | 2015-05-28 22:56:24 +0900 | [diff] [blame] | 66 | func getDepfileImpl(ss string) (string, error) { |
Shinichiro Hamaji | 6dca220 | 2015-05-27 18:00:34 +0900 | [diff] [blame] | 67 | tss := ss + " " |
Fumitoshi Ukai | b8b8050 | 2015-07-21 14:28:26 +0900 | [diff] [blame] | 68 | if (!strings.Contains(tss, " -MD ") && !strings.Contains(tss, " -MMD ")) || !strings.Contains(tss, " -c ") { |
Shinichiro Hamaji | 6dca220 | 2015-05-27 18:00:34 +0900 | [diff] [blame] | 69 | return "", nil |
| 70 | } |
| 71 | |
| 72 | mfIndex := strings.Index(ss, " -MF ") |
| 73 | if mfIndex >= 0 { |
| 74 | mf := trimLeftSpace(ss[mfIndex+4:]) |
| 75 | if strings.Index(mf, " -MF ") >= 0 { |
| 76 | return "", fmt.Errorf("Multiple output file candidates in %s", ss) |
| 77 | } |
| 78 | mfEndIndex := strings.IndexAny(mf, " \t\n") |
| 79 | if mfEndIndex >= 0 { |
| 80 | mf = mf[:mfEndIndex] |
| 81 | } |
| 82 | |
Shinichiro Hamaji | 6dca220 | 2015-05-27 18:00:34 +0900 | [diff] [blame] | 83 | return mf, nil |
| 84 | } |
| 85 | |
| 86 | outIndex := strings.Index(ss, " -o ") |
| 87 | if outIndex < 0 { |
| 88 | return "", fmt.Errorf("Cannot find the depfile in %s", ss) |
| 89 | } |
| 90 | out := trimLeftSpace(ss[outIndex+4:]) |
| 91 | if strings.Index(out, " -o ") >= 0 { |
| 92 | return "", fmt.Errorf("Multiple output file candidates in %s", ss) |
| 93 | } |
| 94 | outEndIndex := strings.IndexAny(out, " \t\n") |
| 95 | if outEndIndex >= 0 { |
| 96 | out = out[:outEndIndex] |
| 97 | } |
| 98 | return stripExt(out) + ".d", nil |
| 99 | } |
| 100 | |
Fumitoshi Ukai | 923b128 | 2015-07-13 12:53:30 +0900 | [diff] [blame] | 101 | // getDepfile gets depfile from cmdline, and returns cmdline and depfile. |
| 102 | func getDepfile(cmdline string) (string, string, error) { |
Shinichiro Hamaji | 74ab4b6 | 2015-05-28 22:56:24 +0900 | [diff] [blame] | 103 | // A hack for Android - llvm-rs-cc seems not to emit a dep file. |
Fumitoshi Ukai | 923b128 | 2015-07-13 12:53:30 +0900 | [diff] [blame] | 104 | if strings.Contains(cmdline, "bin/llvm-rs-cc ") { |
| 105 | return cmdline, "", nil |
Shinichiro Hamaji | 74ab4b6 | 2015-05-28 22:56:24 +0900 | [diff] [blame] | 106 | } |
| 107 | |
Fumitoshi Ukai | 923b128 | 2015-07-13 12:53:30 +0900 | [diff] [blame] | 108 | depfile, err := getDepfileImpl(cmdline) |
| 109 | if depfile == "" || err != nil { |
| 110 | return cmdline, depfile, err |
Shinichiro Hamaji | 74ab4b6 | 2015-05-28 22:56:24 +0900 | [diff] [blame] | 111 | } |
| 112 | |
Shinichiro Hamaji | 3438ae3 | 2015-06-05 11:33:20 +0900 | [diff] [blame] | 113 | // A hack for Makefiles generated by automake. |
Fumitoshi Ukai | 923b128 | 2015-07-13 12:53:30 +0900 | [diff] [blame] | 114 | mvCmd := "(mv -f " + depfile + " " |
| 115 | if i := strings.LastIndex(cmdline, mvCmd); i >= 0 { |
| 116 | rest := cmdline[i+len(mvCmd):] |
Shinichiro Hamaji | 3438ae3 | 2015-06-05 11:33:20 +0900 | [diff] [blame] | 117 | ei := strings.IndexByte(rest, ')') |
| 118 | if ei < 0 { |
Fumitoshi Ukai | 923b128 | 2015-07-13 12:53:30 +0900 | [diff] [blame] | 119 | return cmdline, "", fmt.Errorf("unbalanced parenthes? %s", cmdline) |
Shinichiro Hamaji | 3438ae3 | 2015-06-05 11:33:20 +0900 | [diff] [blame] | 120 | } |
Fumitoshi Ukai | 923b128 | 2015-07-13 12:53:30 +0900 | [diff] [blame] | 121 | cmdline = cmdline[:i] + "(cp -f " + depfile + " " + rest |
| 122 | return cmdline, depfile, nil |
Shinichiro Hamaji | 3438ae3 | 2015-06-05 11:33:20 +0900 | [diff] [blame] | 123 | } |
| 124 | |
Shinichiro Hamaji | 74ab4b6 | 2015-05-28 22:56:24 +0900 | [diff] [blame] | 125 | // A hack for Android to get .P files instead of .d. |
Fumitoshi Ukai | 923b128 | 2015-07-13 12:53:30 +0900 | [diff] [blame] | 126 | p := stripExt(depfile) + ".P" |
| 127 | if strings.Contains(cmdline, p) { |
| 128 | rmfCmd := "; rm -f " + depfile |
| 129 | ncmdline := strings.Replace(cmdline, rmfCmd, "", 1) |
| 130 | if ncmdline == cmdline { |
| 131 | return cmdline, "", fmt.Errorf("cannot find removal of .d file: %s", cmdline) |
| 132 | } |
| 133 | return ncmdline, p, nil |
Shinichiro Hamaji | 74ab4b6 | 2015-05-28 22:56:24 +0900 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | // A hack for Android. For .s files, GCC does not use |
| 137 | // C preprocessor, so it ignores -MF flag. |
Fumitoshi Ukai | 923b128 | 2015-07-13 12:53:30 +0900 | [diff] [blame] | 138 | as := "/" + stripExt(filepath.Base(depfile)) + ".s" |
| 139 | if strings.Contains(cmdline, as) { |
| 140 | return cmdline, "", nil |
Shinichiro Hamaji | 74ab4b6 | 2015-05-28 22:56:24 +0900 | [diff] [blame] | 141 | } |
| 142 | |
Fumitoshi Ukai | 923b128 | 2015-07-13 12:53:30 +0900 | [diff] [blame] | 143 | cmdline += fmt.Sprintf(" && cp %s %s.tmp", depfile, depfile) |
| 144 | depfile += ".tmp" |
| 145 | return cmdline, depfile, nil |
Shinichiro Hamaji | 74ab4b6 | 2015-05-28 22:56:24 +0900 | [diff] [blame] | 146 | } |
| 147 | |
Shinichiro Hamaji | 246cd23 | 2015-05-27 17:08:23 +0900 | [diff] [blame] | 148 | func stripShellComment(s string) string { |
| 149 | if strings.IndexByte(s, '#') < 0 { |
| 150 | // Fast path. |
| 151 | return s |
| 152 | } |
Fumitoshi Ukai | 43b5666 | 2015-07-15 10:41:47 +0900 | [diff] [blame] | 153 | // set space as an initial value so the leading comment will be |
| 154 | // stripped out. |
| 155 | lastch := rune(' ') |
Shinichiro Hamaji | 246cd23 | 2015-05-27 17:08:23 +0900 | [diff] [blame] | 156 | var escape bool |
| 157 | var quote rune |
| 158 | for i, c := range s { |
Fumitoshi Ukai | b92f028 | 2015-07-21 14:05:51 +0900 | [diff] [blame] | 159 | if quote != 0 { |
Shinichiro Hamaji | 246cd23 | 2015-05-27 17:08:23 +0900 | [diff] [blame] | 160 | if quote == c && (quote == '\'' || !escape) { |
| 161 | quote = 0 |
| 162 | } |
| 163 | } else if !escape { |
Fumitoshi Ukai | 43b5666 | 2015-07-15 10:41:47 +0900 | [diff] [blame] | 164 | if c == '#' && isWhitespace(lastch) { |
Shinichiro Hamaji | 246cd23 | 2015-05-27 17:08:23 +0900 | [diff] [blame] | 165 | return s[:i] |
| 166 | } else if c == '\'' || c == '"' || c == '`' { |
| 167 | quote = c |
| 168 | } |
| 169 | } |
| 170 | if escape { |
| 171 | escape = false |
| 172 | } else if c == '\\' { |
| 173 | escape = true |
| 174 | } else { |
| 175 | escape = false |
| 176 | } |
Fumitoshi Ukai | 43b5666 | 2015-07-15 10:41:47 +0900 | [diff] [blame] | 177 | lastch = c |
Shinichiro Hamaji | 246cd23 | 2015-05-27 17:08:23 +0900 | [diff] [blame] | 178 | } |
| 179 | return s |
| 180 | } |
| 181 | |
Fumitoshi Ukai | 1713c6f | 2015-07-14 13:08:24 +0900 | [diff] [blame] | 182 | var ccRE = regexp.MustCompile(`^prebuilts/(gcc|clang)/.*(gcc|g\+\+|clang|clang\+\+) .* ?-c `) |
| 183 | |
| 184 | func gomaCmdForAndroidCompileCmd(cmd string) (string, bool) { |
| 185 | i := strings.Index(cmd, " ") |
| 186 | if i < 0 { |
| 187 | return cmd, false |
| 188 | } |
| 189 | driver := cmd[:i] |
| 190 | if strings.HasSuffix(driver, "ccache") { |
| 191 | return gomaCmdForAndroidCompileCmd(cmd[i+1:]) |
| 192 | } |
| 193 | return cmd, ccRE.MatchString(cmd) |
| 194 | } |
| 195 | |
Fumitoshi Ukai | b92f028 | 2015-07-21 14:05:51 +0900 | [diff] [blame] | 196 | func descriptionFromCmd(cmd string) (string, bool) { |
| 197 | if !strings.HasPrefix(cmd, "echo") || !isWhitespace(rune(cmd[4])) { |
| 198 | return "", false |
| 199 | } |
| 200 | echoarg := cmd[5:] |
| 201 | |
| 202 | // strip outer quotes, and fail if it is not a single echo command. |
| 203 | var buf bytes.Buffer |
| 204 | var escape bool |
| 205 | var quote rune |
| 206 | for _, c := range echoarg { |
| 207 | if escape { |
| 208 | escape = false |
| 209 | buf.WriteRune(c) |
| 210 | continue |
| 211 | } |
| 212 | if c == '\\' { |
| 213 | escape = true |
| 214 | buf.WriteRune(c) |
| 215 | continue |
| 216 | } |
| 217 | if quote != 0 { |
| 218 | if c == quote { |
| 219 | quote = 0 |
| 220 | continue |
| 221 | } |
| 222 | buf.WriteRune(c) |
| 223 | continue |
| 224 | } |
| 225 | switch c { |
| 226 | case '\'', '"', '`': |
| 227 | quote = c |
| 228 | case '<', '>', '&', '|', ';': |
| 229 | return "", false |
| 230 | default: |
| 231 | buf.WriteRune(c) |
| 232 | } |
| 233 | } |
| 234 | return buf.String(), true |
| 235 | } |
| 236 | |
| 237 | func (n *NinjaGenerator) genShellScript(runners []runner) (cmd string, desc string, useLocalPool bool) { |
| 238 | const defaultDesc = "build $out" |
| 239 | var useGomacc bool |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 240 | var buf bytes.Buffer |
Shinichiro Hamaji | a546779 | 2015-05-27 16:28:40 +0900 | [diff] [blame] | 241 | for i, r := range runners { |
| 242 | if i > 0 { |
| 243 | if runners[i-1].ignoreError { |
| 244 | buf.WriteString(" ; ") |
| 245 | } else { |
| 246 | buf.WriteString(" && ") |
| 247 | } |
| 248 | } |
Shinichiro Hamaji | 246cd23 | 2015-05-27 17:08:23 +0900 | [diff] [blame] | 249 | cmd := stripShellComment(r.cmd) |
| 250 | cmd = trimLeftSpace(cmd) |
Fumitoshi Ukai | 7466359 | 2015-07-17 17:53:11 +0900 | [diff] [blame] | 251 | cmd = strings.Replace(cmd, "\\\n", "", -1) |
Shinichiro Hamaji | a546779 | 2015-05-27 16:28:40 +0900 | [diff] [blame] | 252 | cmd = strings.TrimRight(cmd, " \t\n;") |
Fumitoshi Ukai | 701b0e0 | 2015-07-28 14:06:06 +0900 | [diff] [blame] | 253 | cmd = escapeNinja(cmd) |
Shinichiro Hamaji | 501f68e | 2015-05-27 17:33:41 +0900 | [diff] [blame] | 254 | if cmd == "" { |
| 255 | cmd = "true" |
| 256 | } |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 257 | if n.GomaDir != "" { |
Fumitoshi Ukai | 1713c6f | 2015-07-14 13:08:24 +0900 | [diff] [blame] | 258 | rcmd, ok := gomaCmdForAndroidCompileCmd(cmd) |
| 259 | if ok { |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 260 | cmd = fmt.Sprintf("%s/gomacc %s", n.GomaDir, rcmd) |
Fumitoshi Ukai | 1713c6f | 2015-07-14 13:08:24 +0900 | [diff] [blame] | 261 | useGomacc = true |
| 262 | } |
Shinichiro Hamaji | bcecb50 | 2015-06-04 16:20:25 +0900 | [diff] [blame] | 263 | } |
Fumitoshi Ukai | b92f028 | 2015-07-21 14:05:51 +0900 | [diff] [blame] | 264 | if n.DetectAndroidEcho && desc == "" { |
| 265 | d, ok := descriptionFromCmd(cmd) |
| 266 | if ok { |
| 267 | desc = d |
| 268 | cmd = "true" |
| 269 | } |
| 270 | } |
Shinichiro Hamaji | 13653b2 | 2015-05-28 22:45:12 +0900 | [diff] [blame] | 271 | needsSubShell := i > 0 || len(runners) > 1 |
| 272 | if cmd[0] == '(' { |
| 273 | needsSubShell = false |
| 274 | } |
| 275 | |
| 276 | if needsSubShell { |
| 277 | buf.WriteByte('(') |
| 278 | } |
Shinichiro Hamaji | a546779 | 2015-05-27 16:28:40 +0900 | [diff] [blame] | 279 | buf.WriteString(cmd) |
| 280 | if i == len(runners)-1 && r.ignoreError { |
| 281 | buf.WriteString(" ; true") |
| 282 | } |
Shinichiro Hamaji | 13653b2 | 2015-05-28 22:45:12 +0900 | [diff] [blame] | 283 | if needsSubShell { |
| 284 | buf.WriteByte(')') |
| 285 | } |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 286 | } |
Fumitoshi Ukai | b92f028 | 2015-07-21 14:05:51 +0900 | [diff] [blame] | 287 | if desc == "" { |
| 288 | desc = defaultDesc |
| 289 | } |
| 290 | return buf.String(), desc, n.GomaDir != "" && !useGomacc |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 291 | } |
| 292 | |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 293 | func (n *NinjaGenerator) genRuleName() string { |
Fumitoshi Ukai | 936de10 | 2015-06-08 11:21:16 +0900 | [diff] [blame] | 294 | ruleName := fmt.Sprintf("rule%d", n.ruleID) |
| 295 | n.ruleID++ |
Shinichiro Hamaji | fd87216 | 2015-05-26 18:06:48 +0900 | [diff] [blame] | 296 | return ruleName |
| 297 | } |
| 298 | |
Fumitoshi Ukai | 3dae804 | 2015-07-22 13:49:23 +0900 | [diff] [blame] | 299 | func (n *NinjaGenerator) emitBuild(output, rule, inputs, orderOnlys string) { |
| 300 | fmt.Fprintf(n.f, "build %s: %s", escapeBuildTarget(output), rule) |
| 301 | if inputs != "" { |
| 302 | fmt.Fprintf(n.f, " %s", inputs) |
| 303 | } |
| 304 | if orderOnlys != "" { |
| 305 | fmt.Fprintf(n.f, " || %s", orderOnlys) |
| 306 | } |
Fumitoshi Ukai | 26e8381 | 2015-07-21 14:38:33 +0900 | [diff] [blame] | 307 | } |
| 308 | |
| 309 | func escapeBuildTarget(s string) string { |
| 310 | i := strings.IndexAny(s, "$: ") |
| 311 | if i < 0 { |
| 312 | return s |
| 313 | } |
| 314 | var buf bytes.Buffer |
| 315 | for _, c := range s { |
| 316 | switch c { |
| 317 | case '$', ':', ' ': |
| 318 | buf.WriteByte('$') |
| 319 | } |
| 320 | buf.WriteRune(c) |
| 321 | } |
| 322 | return buf.String() |
Shinichiro Hamaji | fd87216 | 2015-05-26 18:06:48 +0900 | [diff] [blame] | 323 | } |
| 324 | |
Fumitoshi Ukai | 3dae804 | 2015-07-22 13:49:23 +0900 | [diff] [blame] | 325 | func getDepString(node *DepNode) (string, string) { |
Shinichiro Hamaji | fd87216 | 2015-05-26 18:06:48 +0900 | [diff] [blame] | 326 | var deps []string |
Fumitoshi Ukai | 3dae804 | 2015-07-22 13:49:23 +0900 | [diff] [blame] | 327 | seen := make(map[string]bool) |
Shinichiro Hamaji | fd87216 | 2015-05-26 18:06:48 +0900 | [diff] [blame] | 328 | for _, d := range node.Deps { |
Fumitoshi Ukai | 3dae804 | 2015-07-22 13:49:23 +0900 | [diff] [blame] | 329 | t := escapeBuildTarget(d.Output) |
| 330 | if seen[t] { |
| 331 | continue |
| 332 | } |
| 333 | deps = append(deps, t) |
| 334 | seen[t] = true |
Fumitoshi Ukai | c916ea2 | 2015-06-30 09:52:13 +0900 | [diff] [blame] | 335 | } |
| 336 | var orderOnlys []string |
| 337 | for _, d := range node.OrderOnlys { |
Fumitoshi Ukai | 3dae804 | 2015-07-22 13:49:23 +0900 | [diff] [blame] | 338 | t := escapeBuildTarget(d.Output) |
| 339 | if seen[t] { |
| 340 | continue |
| 341 | } |
| 342 | orderOnlys = append(orderOnlys, t) |
| 343 | seen[t] = true |
Shinichiro Hamaji | fd87216 | 2015-05-26 18:06:48 +0900 | [diff] [blame] | 344 | } |
Fumitoshi Ukai | 3dae804 | 2015-07-22 13:49:23 +0900 | [diff] [blame] | 345 | return strings.Join(deps, " "), strings.Join(orderOnlys, " ") |
Shinichiro Hamaji | fd87216 | 2015-05-26 18:06:48 +0900 | [diff] [blame] | 346 | } |
| 347 | |
Fumitoshi Ukai | 701b0e0 | 2015-07-28 14:06:06 +0900 | [diff] [blame] | 348 | func escapeNinja(s string) string { |
| 349 | return strings.Replace(s, "$", "$$", -1) |
| 350 | } |
| 351 | |
Fumitoshi Ukai | cf6c6c2 | 2015-07-21 15:24:35 +0900 | [diff] [blame] | 352 | func escapeShell(s string) string { |
| 353 | i := strings.IndexAny(s, "$`!\\\"") |
| 354 | if i < 0 { |
| 355 | return s |
| 356 | } |
| 357 | var buf bytes.Buffer |
| 358 | var lastDollar bool |
| 359 | for _, c := range s { |
| 360 | switch c { |
| 361 | case '$': |
| 362 | if lastDollar { |
| 363 | buf.WriteRune(c) |
| 364 | lastDollar = false |
| 365 | continue |
| 366 | } |
| 367 | buf.WriteString(`\$`) |
| 368 | lastDollar = true |
| 369 | continue |
| 370 | case '`', '"', '!', '\\': |
| 371 | buf.WriteByte('\\') |
| 372 | } |
| 373 | buf.WriteRune(c) |
| 374 | lastDollar = false |
| 375 | } |
| 376 | return buf.String() |
| 377 | } |
| 378 | |
Fumitoshi Ukai | b6adb39 | 2015-07-28 16:46:11 +0900 | [diff] [blame] | 379 | func (n *NinjaGenerator) ninjaVars(s string, nv [][]string, esc func(string) string) string { |
| 380 | for _, v := range nv { |
| 381 | k, v := v[0], v[1] |
| 382 | if v == "" { |
| 383 | continue |
| 384 | } |
Fumitoshi Ukai | 53c880d | 2015-07-28 17:10:15 +0900 | [diff] [blame^] | 385 | if strings.Contains(v, "/./") || strings.Contains(v, "/../") || strings.Contains(v, "$") { |
| 386 | // ninja will normalize paths (/./, /../), so keep it as is |
| 387 | // ninja will emit quoted string for $ |
Fumitoshi Ukai | b6adb39 | 2015-07-28 16:46:11 +0900 | [diff] [blame] | 388 | continue |
| 389 | } |
| 390 | if esc != nil { |
| 391 | v = esc(v) |
| 392 | } |
| 393 | s = strings.Replace(s, v, k, -1) |
| 394 | } |
| 395 | return s |
| 396 | } |
| 397 | |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 398 | func (n *NinjaGenerator) emitNode(node *DepNode) error { |
Fumitoshi Ukai | 73b0b24 | 2015-07-28 16:55:26 +0900 | [diff] [blame] | 399 | if _, found := n.done[node.Output]; found { |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 400 | return nil |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 401 | } |
Fumitoshi Ukai | 73b0b24 | 2015-07-28 16:55:26 +0900 | [diff] [blame] | 402 | n.done[node.Output] = false |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 403 | |
Fumitoshi Ukai | c916ea2 | 2015-06-30 09:52:13 +0900 | [diff] [blame] | 404 | if len(node.Cmds) == 0 && len(node.Deps) == 0 && len(node.OrderOnlys) == 0 && !node.IsPhony { |
Fumitoshi Ukai | 3857a24 | 2015-07-17 17:15:12 +0900 | [diff] [blame] | 405 | if _, ok := n.ctx.vpaths.exists(node.Output); ok { |
| 406 | return nil |
| 407 | } |
Fumitoshi Ukai | 73b0b24 | 2015-07-28 16:55:26 +0900 | [diff] [blame] | 408 | n.done[node.Output] = true |
Fumitoshi Ukai | 3dae804 | 2015-07-22 13:49:23 +0900 | [diff] [blame] | 409 | n.emitBuild(node.Output, "phony", "", "") |
Fumitoshi Ukai | 3857a24 | 2015-07-17 17:15:12 +0900 | [diff] [blame] | 410 | fmt.Fprintln(n.f) |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 411 | return nil |
Shinichiro Hamaji | fd4aaa0 | 2015-05-26 15:40:53 +0900 | [diff] [blame] | 412 | } |
| 413 | |
Fumitoshi Ukai | e08e9ee | 2015-07-13 13:14:41 +0900 | [diff] [blame] | 414 | base := filepath.Base(node.Output) |
| 415 | if base != node.Output { |
| 416 | n.shortNames[base] = append(n.shortNames[base], node.Output) |
| 417 | } |
| 418 | |
Fumitoshi Ukai | a70b4ea | 2015-06-30 15:31:49 +0900 | [diff] [blame] | 419 | runners, _, err := createRunners(n.ctx, node) |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 420 | if err != nil { |
| 421 | return err |
| 422 | } |
Shinichiro Hamaji | bd59ebb | 2015-05-28 17:07:17 +0900 | [diff] [blame] | 423 | ruleName := "phony" |
Shinichiro Hamaji | bcecb50 | 2015-06-04 16:20:25 +0900 | [diff] [blame] | 424 | useLocalPool := false |
Fumitoshi Ukai | 3dae804 | 2015-07-22 13:49:23 +0900 | [diff] [blame] | 425 | inputs, orderOnlys := getDepString(node) |
Shinichiro Hamaji | bd59ebb | 2015-05-28 17:07:17 +0900 | [diff] [blame] | 426 | if len(runners) > 0 { |
| 427 | ruleName = n.genRuleName() |
Fumitoshi Ukai | 701b0e0 | 2015-07-28 14:06:06 +0900 | [diff] [blame] | 428 | fmt.Fprintf(n.f, "\n# rule for %q\n", node.Output) |
Shinichiro Hamaji | bd59ebb | 2015-05-28 17:07:17 +0900 | [diff] [blame] | 429 | fmt.Fprintf(n.f, "rule %s\n", ruleName) |
Shinichiro Hamaji | bd59ebb | 2015-05-28 17:07:17 +0900 | [diff] [blame] | 430 | |
Fumitoshi Ukai | b92f028 | 2015-07-21 14:05:51 +0900 | [diff] [blame] | 431 | ss, desc, ulp := n.genShellScript(runners) |
Shinichiro Hamaji | bcecb50 | 2015-06-04 16:20:25 +0900 | [diff] [blame] | 432 | if ulp { |
| 433 | useLocalPool = true |
| 434 | } |
Fumitoshi Ukai | b92f028 | 2015-07-21 14:05:51 +0900 | [diff] [blame] | 435 | fmt.Fprintf(n.f, " description = %s\n", desc) |
Fumitoshi Ukai | 923b128 | 2015-07-13 12:53:30 +0900 | [diff] [blame] | 436 | cmdline, depfile, err := getDepfile(ss) |
Shinichiro Hamaji | 0ab9a2f | 2015-05-27 18:32:46 +0900 | [diff] [blame] | 437 | if err != nil { |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 438 | return err |
Shinichiro Hamaji | 0ab9a2f | 2015-05-27 18:32:46 +0900 | [diff] [blame] | 439 | } |
Shinichiro Hamaji | bd59ebb | 2015-05-28 17:07:17 +0900 | [diff] [blame] | 440 | if depfile != "" { |
| 441 | fmt.Fprintf(n.f, " depfile = %s\n", depfile) |
Fumitoshi Ukai | 923b128 | 2015-07-13 12:53:30 +0900 | [diff] [blame] | 442 | fmt.Fprintf(n.f, " deps = gcc\n") |
Shinichiro Hamaji | bd59ebb | 2015-05-28 17:07:17 +0900 | [diff] [blame] | 443 | } |
Fumitoshi Ukai | b6adb39 | 2015-07-28 16:46:11 +0900 | [diff] [blame] | 444 | nv := [][]string{ |
| 445 | []string{"${in}", inputs}, |
| 446 | []string{"${out}", escapeNinja(node.Output)}, |
| 447 | } |
Shinichiro Hamaji | a546779 | 2015-05-27 16:28:40 +0900 | [diff] [blame] | 448 | // It seems Linux is OK with ~130kB. |
| 449 | // TODO: Find this number automatically. |
| 450 | ArgLenLimit := 100 * 1000 |
Fumitoshi Ukai | cf6c6c2 | 2015-07-21 15:24:35 +0900 | [diff] [blame] | 451 | if len(cmdline) > ArgLenLimit { |
Shinichiro Hamaji | a546779 | 2015-05-27 16:28:40 +0900 | [diff] [blame] | 452 | fmt.Fprintf(n.f, " rspfile = $out.rsp\n") |
Fumitoshi Ukai | b6adb39 | 2015-07-28 16:46:11 +0900 | [diff] [blame] | 453 | cmdline = n.ninjaVars(cmdline, nv, nil) |
Fumitoshi Ukai | cf6c6c2 | 2015-07-21 15:24:35 +0900 | [diff] [blame] | 454 | fmt.Fprintf(n.f, " rspfile_content = %s\n", cmdline) |
| 455 | fmt.Fprintf(n.f, " command = %s $out.rsp\n", n.ctx.shell) |
| 456 | } else { |
Fumitoshi Ukai | 3dae804 | 2015-07-22 13:49:23 +0900 | [diff] [blame] | 457 | cmdline = escapeShell(cmdline) |
Fumitoshi Ukai | b6adb39 | 2015-07-28 16:46:11 +0900 | [diff] [blame] | 458 | cmdline = n.ninjaVars(cmdline, nv, escapeShell) |
Fumitoshi Ukai | 3dae804 | 2015-07-22 13:49:23 +0900 | [diff] [blame] | 459 | fmt.Fprintf(n.f, " command = %s -c \"%s\"\n", n.ctx.shell, cmdline) |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 460 | } |
| 461 | } |
Fumitoshi Ukai | 3dae804 | 2015-07-22 13:49:23 +0900 | [diff] [blame] | 462 | n.emitBuild(node.Output, ruleName, inputs, orderOnlys) |
Shinichiro Hamaji | bcecb50 | 2015-06-04 16:20:25 +0900 | [diff] [blame] | 463 | if useLocalPool { |
| 464 | fmt.Fprintf(n.f, " pool = local_pool\n") |
| 465 | } |
Fumitoshi Ukai | c916ea2 | 2015-06-30 09:52:13 +0900 | [diff] [blame] | 466 | fmt.Fprintf(n.f, "\n") |
Fumitoshi Ukai | 73b0b24 | 2015-07-28 16:55:26 +0900 | [diff] [blame] | 467 | n.done[node.Output] = true |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 468 | |
| 469 | for _, d := range node.Deps { |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 470 | err := n.emitNode(d) |
| 471 | if err != nil { |
| 472 | return err |
| 473 | } |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 474 | } |
Fumitoshi Ukai | c916ea2 | 2015-06-30 09:52:13 +0900 | [diff] [blame] | 475 | for _, d := range node.OrderOnlys { |
| 476 | err := n.emitNode(d) |
| 477 | if err != nil { |
| 478 | return err |
| 479 | } |
| 480 | } |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 481 | return nil |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 482 | } |
| 483 | |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 484 | func (n *NinjaGenerator) emitRegenRules() error { |
| 485 | if len(n.Args) == 0 { |
| 486 | return nil |
| 487 | } |
| 488 | mkfiles, err := n.ctx.ev.EvaluateVar("MAKEFILE_LIST") |
| 489 | if err != nil { |
| 490 | return err |
| 491 | } |
| 492 | fmt.Fprintf(n.f, ` |
| 493 | rule regen_ninja |
| 494 | description = Regenerate ninja files due to dependency |
| 495 | generator=1 |
| 496 | command=%s |
| 497 | `, strings.Join(n.Args, " ")) |
| 498 | fmt.Fprintf(n.f, "build %s: regen_ninja %s", n.ninjaName(), mkfiles) |
| 499 | // TODO: Add dependencies to directories read by $(wildcard) or |
| 500 | // $(shell find). |
| 501 | if len(usedEnvs) > 0 { |
| 502 | fmt.Fprintf(n.f, " %s", n.envlistName()) |
| 503 | } |
| 504 | fmt.Fprintf(n.f, "\n\n") |
| 505 | if len(usedEnvs) == 0 { |
| 506 | return nil |
| 507 | } |
| 508 | fmt.Fprint(n.f, ` |
| 509 | build .always_build: phony |
| 510 | rule regen_envlist |
| 511 | description = Check $out |
| 512 | generator = 1 |
| 513 | restat = 1 |
| 514 | command = rm -f $out.tmp`) |
| 515 | for env := range usedEnvs { |
| 516 | fmt.Fprintf(n.f, " && echo %s=$$%s >> $out.tmp", env, env) |
| 517 | } |
| 518 | if n.ErrorOnEnvChange { |
| 519 | fmt.Fprintln(n.f, " && (cmp -s $out.tmp $out || (echo Environment variable changes are detected && diff -u $out $out.tmp))") |
| 520 | } else { |
| 521 | fmt.Fprintln(n.f, " && (cmp -s $out.tmp $out || mv $out.tmp $out)") |
| 522 | } |
| 523 | |
| 524 | fmt.Fprintf(n.f, "build %s: regen_envlist .always_build\n\n", n.envlistName()) |
| 525 | return nil |
Fumitoshi Ukai | 861c9f2 | 2015-07-22 10:54:01 +0900 | [diff] [blame] | 526 | } |
| 527 | |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 528 | func (n *NinjaGenerator) shName() string { |
| 529 | return fmt.Sprintf("ninja%s.sh", n.Suffix) |
Fumitoshi Ukai | 861c9f2 | 2015-07-22 10:54:01 +0900 | [diff] [blame] | 530 | } |
| 531 | |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 532 | func (n *NinjaGenerator) ninjaName() string { |
| 533 | return fmt.Sprintf("build%s.ninja", n.Suffix) |
| 534 | } |
| 535 | |
| 536 | func (n *NinjaGenerator) envlistName() string { |
| 537 | return fmt.Sprintf(".kati_env%s", n.Suffix) |
| 538 | } |
| 539 | |
| 540 | func (n *NinjaGenerator) generateEnvlist() (err error) { |
| 541 | f, err := os.Create(n.envlistName()) |
| 542 | if err != nil { |
| 543 | return err |
| 544 | } |
| 545 | defer func() { |
| 546 | cerr := f.Close() |
| 547 | if err == nil { |
| 548 | err = cerr |
| 549 | } |
| 550 | }() |
| 551 | for k := range usedEnvs { |
| 552 | v, err := n.ctx.ev.EvaluateVar(k) |
| 553 | if err != nil { |
| 554 | return err |
| 555 | } |
Fumitoshi Ukai | d557026 | 2015-07-28 12:44:31 +0900 | [diff] [blame] | 556 | fmt.Fprintf(f, "%q=%q\n", k, v) |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 557 | } |
| 558 | return nil |
| 559 | } |
| 560 | |
| 561 | func (n *NinjaGenerator) generateShell() (err error) { |
| 562 | f, err := os.Create(n.shName()) |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 563 | if err != nil { |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 564 | return err |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 565 | } |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 566 | defer func() { |
| 567 | cerr := f.Close() |
| 568 | if err == nil { |
| 569 | err = cerr |
| 570 | } |
| 571 | }() |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 572 | |
Fumitoshi Ukai | be9104d | 2015-07-28 14:20:43 +0900 | [diff] [blame] | 573 | fmt.Fprintf(f, "#!/bin/bash\n") |
Fumitoshi Ukai | 08db53a | 2015-07-17 14:45:57 +0900 | [diff] [blame] | 574 | fmt.Fprintf(f, "# Generated by kati %s\n", gitVersion) |
| 575 | fmt.Fprintln(f) |
| 576 | fmt.Fprintln(f, `cd $(dirname "$0")`) |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 577 | if n.Suffix != "" { |
| 578 | fmt.Fprintf(f, "if [ -f %s ]; then\n export $(cat %s)\nfi\n", n.envlistName(), n.envlistName()) |
| 579 | } |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 580 | for name, export := range n.exports { |
Fumitoshi Ukai | f90f73c | 2015-07-28 14:37:02 +0900 | [diff] [blame] | 581 | // export "a b"=c will error on bash |
| 582 | // bash: export `a b=c': not a valid identifier |
| 583 | if strings.ContainsAny(name, " \t\n\r") { |
| 584 | glog.V(1).Infof("ignore export %q (export:%t)", name, export) |
| 585 | continue |
| 586 | } |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 587 | if export { |
Fumitoshi Ukai | a70b4ea | 2015-06-30 15:31:49 +0900 | [diff] [blame] | 588 | v, err := n.ctx.ev.EvaluateVar(name) |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 589 | if err != nil { |
| 590 | return err |
| 591 | } |
Fumitoshi Ukai | d557026 | 2015-07-28 12:44:31 +0900 | [diff] [blame] | 592 | fmt.Fprintf(f, "export %q=%q\n", name, v) |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 593 | } else { |
Fumitoshi Ukai | d557026 | 2015-07-28 12:44:31 +0900 | [diff] [blame] | 594 | fmt.Fprintf(f, "unset %q\n", name) |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 595 | } |
| 596 | } |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 597 | if n.GomaDir == "" { |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 598 | fmt.Fprintf(f, `exec ninja -f %s "$@"`+"\n", n.ninjaName()) |
Shinichiro Hamaji | bcecb50 | 2015-06-04 16:20:25 +0900 | [diff] [blame] | 599 | } else { |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 600 | fmt.Fprintf(f, `exec ninja -f %s -j500 "$@"`+"\n", n.ninjaName()) |
Shinichiro Hamaji | bcecb50 | 2015-06-04 16:20:25 +0900 | [diff] [blame] | 601 | } |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 602 | |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 603 | return f.Chmod(0755) |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 604 | } |
| 605 | |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 606 | func (n *NinjaGenerator) generateNinja(defaultTarget string) (err error) { |
| 607 | f, err := os.Create(n.ninjaName()) |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 608 | if err != nil { |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 609 | return err |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 610 | } |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 611 | defer func() { |
| 612 | cerr := f.Close() |
| 613 | if err == nil { |
| 614 | err = cerr |
| 615 | } |
| 616 | }() |
Shinichiro Hamaji | 30a02ad | 2015-05-29 14:56:43 +0900 | [diff] [blame] | 617 | |
| 618 | n.f = f |
Fumitoshi Ukai | 9dd48a9 | 2015-07-14 13:39:03 +0900 | [diff] [blame] | 619 | fmt.Fprintf(n.f, "# Generated by kati %s\n", gitVersion) |
Shinichiro Hamaji | ea2e0de | 2015-05-28 15:22:16 +0900 | [diff] [blame] | 620 | fmt.Fprintf(n.f, "\n") |
| 621 | |
Fumitoshi Ukai | b5612a8 | 2015-07-14 13:22:17 +0900 | [diff] [blame] | 622 | if len(usedEnvs) > 0 { |
| 623 | fmt.Fprintln(n.f, "# Environment variables used:") |
| 624 | var names []string |
| 625 | for name := range usedEnvs { |
| 626 | names = append(names, name) |
| 627 | } |
| 628 | sort.Strings(names) |
| 629 | for _, name := range names { |
| 630 | v, err := n.ctx.ev.EvaluateVar(name) |
| 631 | if err != nil { |
| 632 | return err |
| 633 | } |
Fumitoshi Ukai | d557026 | 2015-07-28 12:44:31 +0900 | [diff] [blame] | 634 | fmt.Fprintf(n.f, "# %q=%q\n", name, v) |
Fumitoshi Ukai | b5612a8 | 2015-07-14 13:22:17 +0900 | [diff] [blame] | 635 | } |
| 636 | fmt.Fprintf(n.f, "\n") |
| 637 | } |
| 638 | |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 639 | if n.GomaDir != "" { |
Shinichiro Hamaji | bcecb50 | 2015-06-04 16:20:25 +0900 | [diff] [blame] | 640 | fmt.Fprintf(n.f, "pool local_pool\n") |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 641 | fmt.Fprintf(n.f, " depth = %d\n\n", runtime.NumCPU()) |
| 642 | } |
| 643 | |
| 644 | err = n.emitRegenRules() |
| 645 | if err != nil { |
| 646 | return err |
Shinichiro Hamaji | bcecb50 | 2015-06-04 16:20:25 +0900 | [diff] [blame] | 647 | } |
| 648 | |
Fumitoshi Ukai | 3dae804 | 2015-07-22 13:49:23 +0900 | [diff] [blame] | 649 | // defining $out for $@ and $in for $^ here doesn't work well, |
| 650 | // because these texts will be processed in escapeShell... |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 651 | for _, node := range n.nodes { |
| 652 | err := n.emitNode(node) |
| 653 | if err != nil { |
| 654 | return err |
| 655 | } |
| 656 | } |
Fumitoshi Ukai | e08e9ee | 2015-07-13 13:14:41 +0900 | [diff] [blame] | 657 | |
Fumitoshi Ukai | 73b0b24 | 2015-07-28 16:55:26 +0900 | [diff] [blame] | 658 | if defaultTarget != "" && n.done[defaultTarget] { |
Fumitoshi Ukai | 701b0e0 | 2015-07-28 14:06:06 +0900 | [diff] [blame] | 659 | fmt.Fprintf(n.f, "\ndefault %s\n", escapeNinja(defaultTarget)) |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 660 | } |
| 661 | |
Fumitoshi Ukai | e08e9ee | 2015-07-13 13:14:41 +0900 | [diff] [blame] | 662 | fmt.Fprintf(n.f, "\n# shortcuts:\n") |
| 663 | var names []string |
| 664 | for name := range n.shortNames { |
Fumitoshi Ukai | 2dc2c17 | 2015-07-17 17:39:26 +0900 | [diff] [blame] | 665 | if n.done[name] { |
| 666 | continue |
| 667 | } |
Fumitoshi Ukai | e08e9ee | 2015-07-13 13:14:41 +0900 | [diff] [blame] | 668 | names = append(names, name) |
| 669 | } |
| 670 | sort.Strings(names) |
| 671 | for _, name := range names { |
| 672 | if len(n.shortNames[name]) != 1 { |
| 673 | // we generate shortcuts only for targets whose basename are unique. |
| 674 | continue |
| 675 | } |
| 676 | fmt.Fprintf(n.f, "build %s: phony %s\n", name, n.shortNames[name][0]) |
| 677 | } |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 678 | return nil |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 679 | } |
| 680 | |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 681 | // Save generates build.ninja from DepGraph. |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 682 | func (n *NinjaGenerator) Save(g *DepGraph, name string, targets []string) error { |
Fumitoshi Ukai | 49599e5 | 2015-06-26 10:10:24 +0900 | [diff] [blame] | 683 | startTime := time.Now() |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 684 | n.init(g) |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 685 | err := n.generateEnvlist() |
| 686 | if err != nil { |
| 687 | return err |
| 688 | } |
| 689 | err = n.generateShell() |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 690 | if err != nil { |
| 691 | return err |
| 692 | } |
Fumitoshi Ukai | b79b290 | 2015-07-16 16:40:09 +0900 | [diff] [blame] | 693 | var defaultTarget string |
| 694 | if len(targets) == 0 && len(g.nodes) > 0 { |
| 695 | defaultTarget = g.nodes[0].Output |
| 696 | } |
Fumitoshi Ukai | d4a016e | 2015-07-27 16:50:00 +0900 | [diff] [blame] | 697 | err = n.generateNinja(defaultTarget) |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 698 | if err != nil { |
| 699 | return err |
| 700 | } |
Fumitoshi Ukai | 49599e5 | 2015-06-26 10:10:24 +0900 | [diff] [blame] | 701 | logStats("generate ninja time: %q", time.Since(startTime)) |
Fumitoshi Ukai | 65c7233 | 2015-06-26 21:32:50 +0900 | [diff] [blame] | 702 | return nil |
Shinichiro Hamaji | 6aa86ac | 2015-05-26 15:21:11 +0900 | [diff] [blame] | 703 | } |