X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=examples%2FKaleidoscope%2FOrc%2Finitial%2Ftoy.cpp;h=836c3a78a4540db54022b5f2f90faeff298c4af9;hp=8716f09915e8c06b7977ffe937a44789386d2ef2;hb=13f2d9943f045f89e616b857ff29b125cfbd34dd;hpb=eddb26303b1810f1b2e3d0dbc02687374525600a

diff --git a/examples/Kaleidoscope/Orc/initial/toy.cpp b/examples/Kaleidoscope/Orc/initial/toy.cpp
index 8716f09915e..836c3a78a45 100644
--- a/examples/Kaleidoscope/Orc/initial/toy.cpp
+++ b/examples/Kaleidoscope/Orc/initial/toy.cpp
@@ -1,3 +1,4 @@
+
 #include "llvm/Analysis/Passes.h"
 #include "llvm/ExecutionEngine/Orc/CompileUtils.h"
 #include "llvm/ExecutionEngine/Orc/IRCompileLayer.h"
@@ -13,8 +14,10 @@
 #include "llvm/Support/TargetSelect.h"
 #include "llvm/Transforms/Scalar.h"
 #include <cctype>
-#include <cstdio>
+#include <iomanip>
+#include <iostream>
 #include <map>
+#include <sstream>
 #include <string>
 #include <vector>
 using namespace llvm;
@@ -270,14 +273,14 @@ static int GetTokPrecedence() {
 }
 
 template <typename T>
-std::unique_ptr<T> ErrorU(const char *Str) {
-  fprintf(stderr, "Error: %s\n", Str);
+std::unique_ptr<T> ErrorU(const std::string &Str) {
+  std::cerr << "Error: " << Str << "\n";
   return nullptr;
 }
 
 template <typename T>
-T* ErrorP(const char *Str) {
-  fprintf(stderr, "Error: %s\n", Str);
+T* ErrorP(const std::string &Str) {
+  std::cerr << "Error: " << Str << "\n";
   return nullptr;
 }
 
@@ -643,13 +646,11 @@ static std::unique_ptr<PrototypeAST> ParseExtern() {
 //===----------------------------------------------------------------------===//
 
 // FIXME: Obviously we can do better than this
-std::string GenerateUniqueName(const char *root)
-{
+std::string GenerateUniqueName(const std::string &Root) {
   static int i = 0;
-  char s[16];
-  sprintf(s, "%s%d", root, i++);
-  std::string S = s;
-  return S;
+  std::ostringstream NameStream;
+  NameStream << Root << ++i;
+  return NameStream.str();
 }
 
 std::string MakeLegalFunctionName(std::string Name)
@@ -669,10 +670,9 @@ std::string MakeLegalFunctionName(std::string Name)
   std::string legal_elements = "_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
   size_t pos;
   while ((pos = NewName.find_first_not_of(legal_elements)) != std::string::npos) {
-    char old_c = NewName.at(pos);
-    char new_str[16];
-    sprintf(new_str, "%d", (int)old_c);
-    NewName = NewName.replace(pos, 1, new_str);
+    std::ostringstream NumStream;
+    NumStream << (int)NewName.at(pos);
+    NewName = NewName.replace(pos, 1, NumStream.str());
   }
 
   return NewName;
@@ -699,7 +699,7 @@ PrototypeAST* SessionContext::getPrototypeAST(const std::string &Name) {
   if (I != Prototypes.end())
     return I->second.get();
   return nullptr;
-} 
+}
 
 class IRGenContext {
 public:
@@ -750,11 +750,8 @@ Value *VariableExprAST::IRGen(IRGenContext &C) {
   // Look this variable up in the function.
   Value *V = C.NamedValues[Name];
 
-  if (V == 0) {
-    char ErrStr[256];
-    sprintf(ErrStr, "Unknown variable name %s", Name.c_str());
-    return ErrorP<Value>(ErrStr);
-  }
+  if (V == 0)
+    return ErrorP<Value>("Unknown variable name '" + Name + "'");
 
   // Load the value.
   return C.getBuilder().CreateLoad(V, Name.c_str());
@@ -1152,7 +1149,7 @@ public:
     // new module. Create one that resolves symbols by looking back into the JIT.
     auto MM = createLookasideRTDyldMM<SectionMemoryManager>(
                 [&](const std::string &S) {
-                  return getUnmangledSymbolAddress(S);
+                  return getMangledSymbolAddress(S);
                 }, 
                 [](const std::string &S) { return 0; } );
 
@@ -1161,7 +1158,7 @@ public:
 
   void removeModule(ModuleHandleT H) { CompileLayer.removeModuleSet(H); }
 
-  uint64_t getUnmangledSymbolAddress(const std::string &Name) {
+  uint64_t getMangledSymbolAddress(const std::string &Name) {
     return CompileLayer.getSymbolAddress(Name, false);
   }
 
@@ -1171,7 +1168,7 @@ public:
       raw_string_ostream MangledNameStream(MangledName);
       Mang.getNameWithPrefix(MangledNameStream, Name);
     }
-    return getUnmangledSymbolAddress(MangledName);
+    return getMangledSymbolAddress(MangledName);
   }
 
 private:
@@ -1188,7 +1185,7 @@ static void HandleDefinition(SessionContext &S, KaleidoscopeJIT &J) {
     IRGenContext C(S);
     if (auto LF = F->IRGen(C)) {
 #ifndef MINIMAL_STDERR_OUTPUT
-      fprintf(stderr, "Read function definition:");
+      std::cerr << "Read function definition:\n";
       LF->dump();
 #endif
       J.addModule(C.takeM());
@@ -1215,7 +1212,7 @@ static void HandleTopLevelExpression(SessionContext &S, KaleidoscopeJIT &J) {
     IRGenContext C(S);
     if (auto ExprFunc = F->IRGen(C)) {
 #ifndef MINIMAL_STDERR_OUTPUT
-      fprintf(stderr, "Expression function:\n");
+      std::cerr << "Expression function:\n";
       ExprFunc->dump();
 #endif
       // Add the CodeGen'd module to the JIT. Keep a handle to it: We can remove
@@ -1231,7 +1228,7 @@ static void HandleTopLevelExpression(SessionContext &S, KaleidoscopeJIT &J) {
 #ifdef MINIMAL_STDERR_OUTPUT
       FP();
 #else
-      fprintf(stderr, "Evaluated to %f\n", FP());
+      std::cerr << "Evaluated to " << FP() << "\n";
 #endif
 
       // Remove the function.
@@ -1250,7 +1247,7 @@ static void MainLoop() {
 
   while (1) {
 #ifndef MINIMAL_STDERR_OUTPUT
-    fprintf(stderr, "ready> ");
+    std::cerr << "ready> ";
 #endif
     switch (CurTok) {
     case tok_eof:    return;
@@ -1294,7 +1291,6 @@ int main() {
   InitializeNativeTarget();
   InitializeNativeTargetAsmPrinter();
   InitializeNativeTargetAsmParser();
-  LLVMContext &Context = getGlobalContext();
 
   // Install standard binary operators.
   // 1 is lowest precedence.
@@ -1307,10 +1303,12 @@ int main() {
 
   // Prime the first token.
 #ifndef MINIMAL_STDERR_OUTPUT
-  fprintf(stderr, "ready> ");
+  std::cerr << "ready> ";
 #endif
   getNextToken();
 
+  std::cerr << std::fixed;
+
   // Run the main "interpreter loop" now.
   MainLoop();