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Replace the original flex lexer with a hand writen one. This

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drops a dependency on flex and lets us make future progress more 
easily.  Yay for 2 fewer .cvs files to make silly conflicts with.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44213 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-11-18 08:46:26 +00:00
parent c1819188b6
commit 8e3a8e0452
9 changed files with 929 additions and 4424 deletions
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44
lib/AsmParser/Parser.cpp
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@ -13,38 +13,37 @@
#include "ParserInternals.h"
#include "llvm/Module.h"
#include "llvm/Support/MemoryBuffer.h"
using namespace llvm;
ParseError* TheParseError = 0; /// FIXME: Not threading friendly
Module *llvm::ParseAssemblyFile(const std::string &Filename, ParseError* Err) {
FILE *F = stdin;
if (Filename != "-") {
F = fopen(Filename.c_str(), "r");
if (F == 0) {
if (Err)
Err->setError(Filename,"Could not open file '" + Filename + "'");
return 0;
}
std::string ErrorStr;
MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(&Filename[0], Filename.size(),
&ErrorStr);
if (F == 0) {
if (Err)
Err->setError(Filename, "Could not open input file '" + Filename + "'");
return 0;
}
TheParseError = Err;
Module *Result = RunVMAsmParser(Filename, F);
if (F != stdin)
fclose(F);
Module *Result = RunVMAsmParser(F);
delete F;
return Result;
}
Module *llvm::ParseAssemblyString(
const char * AsmString, Module * M, ParseError* Err)
{
Module *llvm::ParseAssemblyString(const char *AsmString, Module *M,
ParseError *Err) {
TheParseError = Err;
return RunVMAsmParser(AsmString, M);
MemoryBuffer *F = MemoryBuffer::getMemBuffer(AsmString,
AsmString+strlen(AsmString),
"<string>");
Module *Result = RunVMAsmParser(F);
delete F;
return Result;
}
@ -54,9 +53,8 @@ Module *llvm::ParseAssemblyString(
void ParseError::setError(const std::string &filename,
const std::string &message,
int lineNo, int colNo)
{
const std::string &message,
int lineNo, int colNo) {
Filename = filename;
Message = message;
LineNo = lineNo;