Mercurial > hg > CbC > CbC_llvm
changeset 195:c7eaafae97e2
add ExprFromString
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 01 Jun 2021 17:58:18 +0900 |
| parents | f2ef29ba5fe2 |
| children | ccaec67bcdbb |
| files | clang/include/clang/Parse/Parser.h clang/lib/Parse/ParseCbC.cpp |
| diffstat | 2 files changed, 17 insertions(+), 1 deletions(-) [+] |
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--- a/clang/include/clang/Parse/Parser.h Mon Mar 22 18:10:23 2021 +0900 +++ b/clang/include/clang/Parse/Parser.h Tue Jun 01 17:58:18 2021 +0900 @@ -2070,6 +2070,7 @@ StmtResult ParseGotoStatement(); #ifndef noCbC StmtResult ParseCbCGotoStatement(ParsedAttributesWithRange &Attrs,StmtVector &Stmts); + void ExprFromString(char *src ) ; #endif StmtResult ParseContinueStatement(); StmtResult ParseBreakStatement();
--- a/clang/lib/Parse/ParseCbC.cpp Mon Mar 22 18:10:23 2021 +0900 +++ b/clang/lib/Parse/ParseCbC.cpp Tue Jun 01 17:58:18 2021 +0900 @@ -94,6 +94,19 @@ }; } +void Parser::ExprFromString(char *src ) { + // Push the ( "string" ) tokens into the token stream. + SmallVector<Token, 3> Tokens; + Token &Tok; + FormTokenWithChars(Tok, src, tok::unknown); + auto Toks = std::make_unique<Token[]>(Tokens.size()); + std::copy(Tokens.begin() + 1, Tokens.end(), Toks.get()); + Toks[Tokens.size() - 1] = Tok; + PP.EnterTokenStream(std::move(Toks), Tokens.size(), + /*DisableMacroExpansion*/ true, + /*IsReinject*/ true); +} + /// goto with environment with out logjmp /// basic idea is prepare struct containes pointer to return value variable and stack pointer /// @@ -240,7 +253,9 @@ CompoundStmts.push_back(innerRes.get()); // jmp_buf env_buf; --> int env_buf[64]; - innerRes = CreateDeclStmt(bufII, false, false, 64, DeclSpec::TST_typename, CreateIdentifierInfo("int", Loc)); + ExprFromString("int env_buf[64];"); + // innerRes = CreateDeclStmt(bufII, false, false, 64, DeclSpec::TST_typename, CreateIdentifierInfo("int", Loc)); + nnerRes = ParseCompoundStatementBody(); if (innerRes.isUsable()) CompoundStmts.push_back(innerRes.get());