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20b6598c10
Patch removes VersionScriptParser class and moves the members to ScriptParser It opens road for implementation of VERSION linkerscript command. Differential revision: https://reviews.llvm.org/D23774 llvm-svn: 280212
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
//===- SymbolListFile.cpp -------------------------------------------------===//
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//
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// The LLVM Linker
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the parser/evaluator of the linker script.
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// It does not construct an AST but consume linker script directives directly.
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// Results are written to Driver or Config object.
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//
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//===----------------------------------------------------------------------===//
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#include "SymbolListFile.h"
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#include "Config.h"
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#include "ScriptParser.h"
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#include "llvm/Support/MemoryBuffer.h"
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using namespace llvm;
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using namespace llvm::ELF;
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using namespace lld;
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using namespace lld::elf;
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// Parse the --dynamic-list argument. A dynamic list is in the form
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//
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// { symbol1; symbol2; [...]; symbolN };
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//
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// Multiple groups can be defined in the same file, and they are merged
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// into a single group.
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namespace {
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class DynamicListParser final : public ScriptParserBase {
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public:
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DynamicListParser(StringRef S) : ScriptParserBase(S) {}
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void run();
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};
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} // end anonymous namespace
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void DynamicListParser::run() {
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while (!atEOF()) {
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expect("{");
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while (!Error) {
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Config->DynamicList.push_back(next());
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expect(";");
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if (skip("}"))
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break;
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}
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expect(";");
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}
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}
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void elf::parseDynamicList(MemoryBufferRef MB) {
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DynamicListParser(MB.getBuffer()).run();
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}
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