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398 lines
12 KiB
398 lines
12 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#include "cmRulePlaceholderExpander.h"
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#include <cctype>
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#include <utility>
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#include "cmOutputConverter.h"
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#include "cmStringAlgorithms.h"
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#include "cmSystemTools.h"
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cmRulePlaceholderExpander::cmRulePlaceholderExpander(
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std::map<std::string, std::string> compilers,
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std::map<std::string, std::string> variableMappings,
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std::string compilerSysroot, std::string linkerSysroot)
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: Compilers(std::move(compilers))
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, VariableMappings(std::move(variableMappings))
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, CompilerSysroot(std::move(compilerSysroot))
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, LinkerSysroot(std::move(linkerSysroot))
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{
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}
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std::string cmRulePlaceholderExpander::ExpandRuleVariable(
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cmOutputConverter* outputConverter, std::string const& variable,
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const RuleVariables& replaceValues)
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{
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if (replaceValues.LinkFlags) {
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if (variable == "LINK_FLAGS") {
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return replaceValues.LinkFlags;
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}
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}
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if (replaceValues.Manifests) {
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if (variable == "MANIFESTS") {
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return replaceValues.Manifests;
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}
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}
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if (replaceValues.Flags) {
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if (variable == "FLAGS") {
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return replaceValues.Flags;
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}
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}
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if (replaceValues.Source) {
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if (variable == "SOURCE") {
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return replaceValues.Source;
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}
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}
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if (replaceValues.DynDepFile) {
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if (variable == "DYNDEP_FILE") {
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return replaceValues.DynDepFile;
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}
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}
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if (replaceValues.PreprocessedSource) {
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if (variable == "PREPROCESSED_SOURCE") {
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return replaceValues.PreprocessedSource;
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}
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}
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if (replaceValues.AssemblySource) {
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if (variable == "ASSEMBLY_SOURCE") {
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return replaceValues.AssemblySource;
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}
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}
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if (replaceValues.Object) {
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if (variable == "OBJECT") {
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return replaceValues.Object;
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}
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}
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if (replaceValues.ObjectDir) {
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if (variable == "OBJECT_DIR") {
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return replaceValues.ObjectDir;
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}
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}
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if (replaceValues.ObjectFileDir) {
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if (variable == "OBJECT_FILE_DIR") {
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return replaceValues.ObjectFileDir;
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}
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}
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if (replaceValues.Objects) {
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if (variable == "OBJECTS") {
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return replaceValues.Objects;
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}
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}
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if (replaceValues.ObjectsQuoted) {
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if (variable == "OBJECTS_QUOTED") {
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return replaceValues.ObjectsQuoted;
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}
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}
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if (replaceValues.CudaCompileMode) {
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if (variable == "CUDA_COMPILE_MODE") {
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return replaceValues.CudaCompileMode;
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}
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}
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if (replaceValues.AIXExports) {
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if (variable == "AIX_EXPORTS") {
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return replaceValues.AIXExports;
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}
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}
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if (replaceValues.ISPCHeader) {
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if (variable == "ISPC_HEADER") {
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return replaceValues.ISPCHeader;
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}
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}
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if (replaceValues.Defines && variable == "DEFINES") {
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return replaceValues.Defines;
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}
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if (replaceValues.Includes && variable == "INCLUDES") {
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return replaceValues.Includes;
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}
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if (replaceValues.SwiftLibraryName) {
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if (variable == "SWIFT_LIBRARY_NAME") {
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return replaceValues.SwiftLibraryName;
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}
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}
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if (replaceValues.SwiftModule) {
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if (variable == "SWIFT_MODULE") {
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return replaceValues.SwiftModule;
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}
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}
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if (replaceValues.SwiftModuleName) {
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if (variable == "SWIFT_MODULE_NAME") {
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return replaceValues.SwiftModuleName;
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}
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}
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if (replaceValues.SwiftOutputFileMap) {
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if (variable == "SWIFT_OUTPUT_FILE_MAP") {
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return replaceValues.SwiftOutputFileMap;
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}
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}
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if (replaceValues.SwiftSources) {
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if (variable == "SWIFT_SOURCES") {
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return replaceValues.SwiftSources;
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}
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}
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if (replaceValues.TargetPDB) {
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if (variable == "TARGET_PDB") {
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return replaceValues.TargetPDB;
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}
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}
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if (replaceValues.TargetCompilePDB) {
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if (variable == "TARGET_COMPILE_PDB") {
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return replaceValues.TargetCompilePDB;
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}
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}
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if (replaceValues.DependencyFile) {
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if (variable == "DEP_FILE") {
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return replaceValues.DependencyFile;
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}
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}
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if (replaceValues.DependencyTarget) {
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if (variable == "DEP_TARGET") {
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return replaceValues.DependencyTarget;
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}
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}
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if (replaceValues.Fatbinary) {
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if (variable == "FATBINARY") {
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return replaceValues.Fatbinary;
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}
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}
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if (replaceValues.RegisterFile) {
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if (variable == "REGISTER_FILE") {
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return replaceValues.RegisterFile;
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}
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}
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if (replaceValues.Target) {
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if (variable == "TARGET_QUOTED") {
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std::string targetQuoted = replaceValues.Target;
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if (!targetQuoted.empty() && targetQuoted.front() != '\"') {
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targetQuoted = '\"';
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targetQuoted += replaceValues.Target;
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targetQuoted += '\"';
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}
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return targetQuoted;
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}
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if (variable == "TARGET_UNQUOTED") {
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std::string unquoted = replaceValues.Target;
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std::string::size_type sz = unquoted.size();
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if (sz > 2 && unquoted.front() == '\"' && unquoted.back() == '\"') {
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unquoted = unquoted.substr(1, sz - 2);
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}
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return unquoted;
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}
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if (replaceValues.LanguageCompileFlags) {
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if (variable == "LANGUAGE_COMPILE_FLAGS") {
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return replaceValues.LanguageCompileFlags;
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}
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}
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if (replaceValues.Target) {
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if (variable == "TARGET") {
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return replaceValues.Target;
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}
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}
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if (variable == "TARGET_IMPLIB") {
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return this->TargetImpLib;
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}
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if (variable == "TARGET_VERSION_MAJOR") {
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if (replaceValues.TargetVersionMajor) {
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return replaceValues.TargetVersionMajor;
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}
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return "0";
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}
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if (variable == "TARGET_VERSION_MINOR") {
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if (replaceValues.TargetVersionMinor) {
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return replaceValues.TargetVersionMinor;
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}
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return "0";
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}
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if (replaceValues.Target) {
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if (variable == "TARGET_BASE") {
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// Strip the last extension off the target name.
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std::string targetBase = replaceValues.Target;
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std::string::size_type pos = targetBase.rfind('.');
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if (pos != std::string::npos) {
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return targetBase.substr(0, pos);
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}
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return targetBase;
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}
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}
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}
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if (variable == "TARGET_SONAME" || variable == "SONAME_FLAG" ||
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variable == "TARGET_INSTALLNAME_DIR") {
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// All these variables depend on TargetSOName
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if (replaceValues.TargetSOName) {
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if (variable == "TARGET_SONAME") {
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return replaceValues.TargetSOName;
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}
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if (variable == "SONAME_FLAG" && replaceValues.SONameFlag) {
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return replaceValues.SONameFlag;
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}
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if (replaceValues.TargetInstallNameDir &&
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variable == "TARGET_INSTALLNAME_DIR") {
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return replaceValues.TargetInstallNameDir;
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}
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}
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return "";
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}
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if (replaceValues.LinkLibraries) {
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if (variable == "LINK_LIBRARIES") {
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return replaceValues.LinkLibraries;
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}
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}
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if (replaceValues.Language) {
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if (variable == "LANGUAGE") {
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return replaceValues.Language;
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}
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}
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if (replaceValues.CMTargetName) {
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if (variable == "TARGET_NAME") {
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return replaceValues.CMTargetName;
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}
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}
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if (replaceValues.CMTargetType) {
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if (variable == "TARGET_TYPE") {
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return replaceValues.CMTargetType;
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}
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}
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if (replaceValues.Output) {
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if (variable == "OUTPUT") {
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return replaceValues.Output;
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}
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}
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if (variable == "CMAKE_COMMAND") {
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return outputConverter->ConvertToOutputFormat(
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cmSystemTools::GetCMakeCommand(), cmOutputConverter::SHELL);
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}
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auto compIt = this->Compilers.find(variable);
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if (compIt != this->Compilers.end()) {
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std::string ret = outputConverter->ConvertToOutputForExisting(
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this->VariableMappings["CMAKE_" + compIt->second + "_COMPILER"]);
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std::string const& compilerArg1 =
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this->VariableMappings["CMAKE_" + compIt->second + "_COMPILER_ARG1"];
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std::string const& compilerTarget =
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this->VariableMappings["CMAKE_" + compIt->second + "_COMPILER_TARGET"];
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std::string const& compilerOptionTarget =
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this->VariableMappings["CMAKE_" + compIt->second +
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"_COMPILE_OPTIONS_TARGET"];
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std::string const& compilerExternalToolchain =
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this->VariableMappings["CMAKE_" + compIt->second +
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"_COMPILER_EXTERNAL_TOOLCHAIN"];
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std::string const& compilerOptionExternalToolchain =
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this->VariableMappings["CMAKE_" + compIt->second +
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"_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN"];
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std::string const& compilerOptionSysroot =
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this->VariableMappings["CMAKE_" + compIt->second +
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"_COMPILE_OPTIONS_SYSROOT"];
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if (compIt->second == replaceValues.Language && replaceValues.Launcher) {
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// Add launcher as part of expansion so that it always appears
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// immediately before the command itself, regardless of whether the
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// overall rule template contains other content at the front.
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ret = cmStrCat(replaceValues.Launcher, " ", ret);
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}
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// if there are required arguments to the compiler add it
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// to the compiler string
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if (!compilerArg1.empty()) {
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ret += " ";
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ret += compilerArg1;
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}
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if (!compilerTarget.empty() && !compilerOptionTarget.empty()) {
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ret += " ";
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ret += compilerOptionTarget;
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ret += compilerTarget;
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}
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if (!compilerExternalToolchain.empty() &&
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!compilerOptionExternalToolchain.empty()) {
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ret += " ";
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ret += compilerOptionExternalToolchain;
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ret += outputConverter->EscapeForShell(compilerExternalToolchain, true);
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}
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std::string sysroot;
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// Some platforms may use separate sysroots for compiling and linking.
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// If we detect link flags, then we pass the link sysroot instead.
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// FIXME: Use a more robust way to detect link line expansion.
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if (replaceValues.LinkFlags) {
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sysroot = this->LinkerSysroot;
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} else {
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sysroot = this->CompilerSysroot;
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}
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if (!sysroot.empty() && !compilerOptionSysroot.empty()) {
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ret += " ";
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ret += compilerOptionSysroot;
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ret += outputConverter->EscapeForShell(sysroot, true);
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}
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return ret;
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}
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auto mapIt = this->VariableMappings.find(variable);
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if (mapIt != this->VariableMappings.end()) {
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if (variable.find("_FLAG") == std::string::npos) {
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std::string ret =
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outputConverter->ConvertToOutputForExisting(mapIt->second);
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if (replaceValues.Launcher && variable == "CMAKE_LINKER") {
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// Add launcher as part of expansion so that it always appears
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// immediately before the command itself, regardless of whether the
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// overall rule template contains other content at the front.
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ret = cmStrCat(replaceValues.Launcher, " ", ret);
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}
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return ret;
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}
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return mapIt->second;
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}
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return variable;
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}
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void cmRulePlaceholderExpander::ExpandRuleVariables(
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cmOutputConverter* outputConverter, std::string& s,
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const RuleVariables& replaceValues)
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{
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std::string::size_type start = s.find('<');
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// no variables to expand
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if (start == std::string::npos) {
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return;
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}
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std::string::size_type pos = 0;
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std::string expandedInput;
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while (start != std::string::npos && start < s.size() - 2) {
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std::string::size_type end = s.find('>', start);
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// if we find a < with no > we are done
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if (end == std::string::npos) {
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return;
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}
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char c = s[start + 1];
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// if the next char after the < is not A-Za-z then
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// skip it and try to find the next < in the string
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if (!isalpha(c)) {
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start = s.find('<', start + 1);
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} else {
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// extract the var
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std::string var = s.substr(start + 1, end - start - 1);
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std::string replace =
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this->ExpandRuleVariable(outputConverter, var, replaceValues);
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expandedInput += s.substr(pos, start - pos);
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// Prevent consecutive whitespace in the output if the rule variable
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// expands to an empty string.
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bool consecutive = replace.empty() && start > 0 && s[start - 1] == ' ' &&
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end + 1 < s.size() && s[end + 1] == ' ';
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if (consecutive) {
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expandedInput.pop_back();
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}
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expandedInput += replace;
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// move to next one
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start = s.find('<', start + var.size() + 2);
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pos = end + 1;
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}
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}
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// add the rest of the input
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expandedInput += s.substr(pos, s.size() - pos);
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s = expandedInput;
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}
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