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Add ldc-build-plugin tool, and make use of it in plugins lit tests.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,239 @@ | ||
| module ldcBuildRuntime; | ||
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| import core.stdc.stdlib : exit; | ||
| import std.algorithm; | ||
| import std.array; | ||
| import std.file; | ||
| import std.path; | ||
| import std.stdio; | ||
|
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| version (OSX) | ||
| version = Darwin; | ||
| else version (iOS) | ||
| version = Darwin; | ||
| else version (TVOS) | ||
| version = Darwin; | ||
| else version (WatchOS) | ||
| version = Darwin; | ||
|
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| struct Config { | ||
| string ldcExecutable; | ||
| string buildDir; | ||
| string ldcSourceDir; | ||
| string[] dFlags; | ||
| string[] linkerFlags; | ||
| bool verbose; | ||
| string[] ldcArgs; | ||
| string userWorkDir; | ||
| } | ||
|
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| version (Windows) enum exeSuffix = ".exe"; | ||
| else enum exeSuffix = ""; | ||
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| string defaultLdcExecutable; | ||
| Config config; | ||
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| int main(string[] args) { | ||
| enum exeName = "ldc2" ~ exeSuffix; | ||
| defaultLdcExecutable = buildPath(thisExePath.dirName, exeName); | ||
| config.userWorkDir = getcwd(); | ||
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| parseCommandLine(args); | ||
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| findLdcExecutable(); | ||
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| prepareBuildDir(); | ||
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| prepareLdcSource(); | ||
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| build(); | ||
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| if (config.verbose) | ||
| writefln(".: Plugin library built successfully."); | ||
| return 0; | ||
| } | ||
|
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| void findLdcExecutable() { | ||
| if (config.ldcExecutable !is null) { | ||
| if (!config.ldcExecutable.exists) { | ||
| writefln(".: Error: LDC executable not found: %s", config.ldcExecutable); | ||
| exit(1); | ||
| } | ||
| config.ldcExecutable = config.ldcExecutable.absolutePath; | ||
| return; | ||
| } | ||
|
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| if (defaultLdcExecutable.exists) { | ||
| config.ldcExecutable = defaultLdcExecutable; | ||
| return; | ||
| } | ||
|
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| writefln(".: Please specify LDC executable via '--ldc=<path/to/ldc2%s>'. Aborting.", exeSuffix); | ||
| exit(1); | ||
| } | ||
|
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| void prepareBuildDir() { | ||
| if (config.buildDir is null) | ||
| config.buildDir = "ldc-build-plugin.tmp"; | ||
|
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| if (!config.buildDir.exists) { | ||
| if (config.verbose) | ||
| writefln(".: Creating build directory: %s", config.buildDir); | ||
| mkdirRecurse(config.buildDir); | ||
| } | ||
|
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| config.buildDir = config.buildDir.absolutePath; | ||
| } | ||
|
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| void prepareLdcSource() { | ||
| if (config.ldcSourceDir !is null) { | ||
| if (!config.ldcSourceDir.exists) { | ||
| writefln(".: Error: LDC source directory not found: %s", config.ldcSourceDir); | ||
| exit(1); | ||
| } | ||
| config.ldcSourceDir = config.ldcSourceDir.absolutePath; | ||
| return; | ||
| } | ||
|
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| const ldcSrc = "ldc-src"; | ||
| config.ldcSourceDir = buildPath(config.buildDir, ldcSrc); | ||
| if (buildPath(config.ldcSourceDir, "dmd").exists) | ||
| return; | ||
|
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| // Download & extract LDC source archive if <buildDir>/ldc-src/dmd doesn't exist yet. | ||
|
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| const wd = WorkingDirScope(config.buildDir); | ||
|
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| auto ldcVersion = "@LDC_VERSION@"; | ||
| void removeVersionSuffix(string beginning) { | ||
| const suffixIndex = ldcVersion.countUntil(beginning); | ||
| if (suffixIndex > 0) | ||
| ldcVersion = ldcVersion[0 .. suffixIndex]; | ||
| } | ||
| removeVersionSuffix("git-"); | ||
| removeVersionSuffix("-dirty"); | ||
|
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| import std.format : format; | ||
| const localArchiveFile = "ldc-src.zip"; | ||
| if (!localArchiveFile.exists) { | ||
| const url = "https://github.com/ldc-developers/ldc/releases/download/v%1$s/ldc-%1$s-src.zip".format(ldcVersion); | ||
| writefln(".: Downloading LDC source archive: %s", url); | ||
| import std.net.curl : download; | ||
| download(url, localArchiveFile); | ||
| if (getSize(localArchiveFile) < 1_048_576) { | ||
| writefln(".: Error: downloaded file is corrupt; has LDC v%s been released?", ldcVersion); | ||
| writefln(" You can work around this by manually downloading a src package and moving it to: %s", | ||
| buildPath(config.buildDir, localArchiveFile)); | ||
| localArchiveFile.remove; | ||
| exit(1); | ||
| } | ||
| } | ||
|
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| extractZipArchive(localArchiveFile, "."); | ||
| rename("ldc-%1$s-src".format(ldcVersion), ldcSrc); | ||
| } | ||
|
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| void build() { | ||
| string[] args = [ | ||
| config.ldcExecutable, | ||
| "-I" ~ config.ldcSourceDir, | ||
| "--d-version=IN_LLVM", | ||
| "-J" ~ buildPath(config.ldcSourceDir, "dmd", "res"), | ||
| "--shared", | ||
| "--defaultlib=", | ||
| "--od=" ~ config.buildDir | ||
| ]; | ||
|
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| version (Darwin) { | ||
| args ~= "-L-Wl,-undefined,dynamic_lookup"; | ||
| } | ||
|
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| args ~= config.ldcArgs; | ||
|
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| exec(args); | ||
| } | ||
|
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| /*** helpers ***/ | ||
|
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| struct WorkingDirScope { | ||
| string originalPath; | ||
| this(string path) { originalPath = getcwd(); chdir(path); } | ||
| ~this() { chdir(originalPath); } | ||
| } | ||
|
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| void exec(string[] command) { | ||
| import std.process; | ||
|
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| static string quoteIfNeeded(string arg) { | ||
| const r = arg.findAmong(" ;"); | ||
| return !r.length ? arg : "'" ~ arg ~ "'"; | ||
| } | ||
| string flattened = command.map!quoteIfNeeded.join(" "); | ||
| if (config.verbose) { | ||
| writefln(".: Invoking: %s", flattened); | ||
| stdout.flush(); | ||
| } | ||
|
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| auto pid = spawnProcess(command, null, std.process.Config.none, config.userWorkDir); | ||
| const exitStatus = wait(pid); | ||
|
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| if (exitStatus != 0) { | ||
| if (config.verbose) | ||
| writeln(".: Error: command failed with status ", exitStatus); | ||
| exit(1); | ||
| } | ||
| } | ||
|
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| void extractZipArchive(string archivePath, string destination) { | ||
| import std.zip; | ||
|
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| auto archive = new ZipArchive(std.file.read(archivePath)); | ||
| foreach (name, am; archive.directory) { | ||
| const destPath = buildNormalizedPath(destination, name); | ||
|
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| const isDir = name.endsWith("/"); | ||
| const destDir = isDir ? destPath : destPath.dirName; | ||
| mkdirRecurse(destDir); | ||
|
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| if (!isDir) | ||
| std.file.write(destPath, archive.expand(am)); | ||
| } | ||
| } | ||
|
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| void parseCommandLine(string[] args) { | ||
| import std.getopt; | ||
|
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| try { | ||
| arraySep = ";"; | ||
| auto helpInformation = getopt( | ||
| args, | ||
| std.getopt.config.passThrough, | ||
| "ldc", "Path to LDC executable (default: '" ~ defaultLdcExecutable ~ "')", &config.ldcExecutable, | ||
| "buildDir", "Path to build directory (default: './ldc-build-plugin.tmp')", &config.buildDir, | ||
| "ldcSrcDir", "Path to LDC source directory (if not specified: downloads & extracts source archive into '<buildDir>/ldc-src')", &config.ldcSourceDir, | ||
| "dFlags", "Extra LDC flags for the D module (separated by ';')", &config.dFlags, | ||
| "verbose|v", "Verbose output (e.g. showing the compile commandline)", &config.verbose, | ||
| "linkerFlags", "Extra C linker flags for shared libraries and testrunner executables (separated by ';')", &config.linkerFlags | ||
| ); | ||
|
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| // getopt() has removed all consumed args from `args` | ||
| // Remaining arguments are interpreted as LDC arguments (e.g. plugin source files and -of=<output file>). | ||
| config.ldcArgs = args[1 .. $]; | ||
|
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| if (helpInformation.helpWanted) { | ||
| defaultGetoptPrinter( | ||
| "OVERVIEW: Builds a Semantic Analysis plugin for LDC.\n\n" ~ | ||
| "USAGE: ldc-build-plugin [options] sourcefiles... -of=<output file>\n\n" ~ | ||
| "OPTIONS:\n" ~ | ||
| " Unrecognized options are passed through to LDC.", | ||
| helpInformation.options | ||
| ); | ||
| exit(1); | ||
| } | ||
| } | ||
| catch (Exception e) { | ||
| writefln("Error processing command line arguments: %s", e.msg); | ||
| writeln("Use '--help' for help."); | ||
| exit(1); | ||
| } | ||
| } |