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Add back support for reading and parsing 'deplibs'.
This is for backwards compatibility for pre-3.x bc files. The code reads the code, but does nothing with it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168779 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -55,6 +55,9 @@ namespace bitc {
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MODULE_CODE_ASM = 4, // ASM: [strchr x N]
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MODULE_CODE_SECTIONNAME = 5, // SECTIONNAME: [strchr x N]
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// FIXME: Remove DEPLIB in 4.0.
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MODULE_CODE_DEPLIB = 6, // DEPLIB: [strchr x N]
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// GLOBALVAR: [pointer type, isconst, initid,
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// linkage, alignment, section, visibility, threadlocal]
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MODULE_CODE_GLOBALVAR = 7,
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@ -486,6 +486,7 @@ lltok::Kind LLLexer::LexIdentifier() {
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KEYWORD(target);
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KEYWORD(triple);
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KEYWORD(unwind);
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KEYWORD(deplibs); // FIXME: Remove in 4.0.
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KEYWORD(datalayout);
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KEYWORD(volatile);
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KEYWORD(atomic);
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@ -168,6 +168,7 @@ bool LLParser::ParseTopLevelEntities() {
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case lltok::kw_define: if (ParseDefine()) return true; break;
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case lltok::kw_module: if (ParseModuleAsm()) return true; break;
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case lltok::kw_target: if (ParseTargetDefinition()) return true; break;
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case lltok::kw_deplibs: if (ParseDepLibs()) return true; break;
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case lltok::LocalVarID: if (ParseUnnamedType()) return true; break;
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case lltok::LocalVar: if (ParseNamedType()) return true; break;
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case lltok::GlobalID: if (ParseUnnamedGlobal()) return true; break;
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@ -263,6 +264,28 @@ bool LLParser::ParseTargetDefinition() {
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}
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}
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/// toplevelentity
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/// ::= 'deplibs' '=' '[' ']'
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/// ::= 'deplibs' '=' '[' STRINGCONSTANT (',' STRINGCONSTANT)* ']'
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/// FIXME: Remove in 4.0. Currently parse, but ignore.
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bool LLParser::ParseDepLibs() {
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assert(Lex.getKind() == lltok::kw_deplibs);
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Lex.Lex();
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if (ParseToken(lltok::equal, "expected '=' after deplibs") ||
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ParseToken(lltok::lsquare, "expected '=' after deplibs"))
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return true;
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if (EatIfPresent(lltok::rsquare))
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return false;
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do {
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std::string Str;
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if (ParseStringConstant(Str)) return true;
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} while (EatIfPresent(lltok::comma));
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return ParseToken(lltok::rsquare, "expected ']' at end of list");
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}
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/// ParseUnnamedType:
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/// ::= LocalVarID '=' 'type' type
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bool LLParser::ParseUnnamedType() {
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@ -217,6 +217,7 @@ namespace llvm {
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bool ValidateEndOfModule();
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bool ParseTargetDefinition();
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bool ParseModuleAsm();
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bool ParseDepLibs(); // FIXME: Remove in 4.0.
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bool ParseUnnamedType();
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bool ParseNamedType();
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bool ParseDeclare();
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@ -54,6 +54,7 @@ namespace lltok {
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kw_target,
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kw_triple,
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kw_unwind,
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kw_deplibs, // FIXME: Remove in 4.0
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kw_datalayout,
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kw_volatile,
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kw_atomic,
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@ -1564,6 +1564,14 @@ bool BitcodeReader::ParseModule(bool Resume) {
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TheModule->setModuleInlineAsm(S);
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break;
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}
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case bitc::MODULE_CODE_DEPLIB: { // DEPLIB: [strchr x N]
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// FIXME: Remove in 4.0.
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std::string S;
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if (ConvertToString(Record, 0, S))
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return Error("Invalid MODULE_CODE_DEPLIB record");
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// Ignore value.
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break;
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}
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case bitc::MODULE_CODE_SECTIONNAME: { // SECTIONNAME: [strchr x N]
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std::string S;
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if (ConvertToString(Record, 0, S))
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@ -150,6 +150,7 @@ static const char *GetCodeName(unsigned CodeID, unsigned BlockID,
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case bitc::MODULE_CODE_DATALAYOUT: return "DATALAYOUT";
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case bitc::MODULE_CODE_ASM: return "ASM";
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case bitc::MODULE_CODE_SECTIONNAME: return "SECTIONNAME";
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case bitc::MODULE_CODE_DEPLIB: return "DEPLIB"; // FIXME: Remove in 4.0
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case bitc::MODULE_CODE_GLOBALVAR: return "GLOBALVAR";
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case bitc::MODULE_CODE_FUNCTION: return "FUNCTION";
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case bitc::MODULE_CODE_ALIAS: return "ALIAS";
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