6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-25 05:22:04 +00:00
Code Issues Projects Releases Wiki Activity

Sync c++ kaleidoscope tutorial with test.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82572 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Erick Tryzelaar
2009-09-22 21:14:49 +00:00
parent 7815d71167
commit fd1ec5e68b
7 changed files with 103 additions and 104 deletions
Download Patch File Download Diff File Expand all files Collapse all files
docs/tutorial/LangImpl6.html
+15 -15
View File
@@ -306,7 +306,7 @@ function call to it. Since user-defined operators are just built as normal
functions (because the "prototype" boils down to a function with the right
name) everything falls into place.</p>
<p>The final piece of code we are missing, is a bit of top level magic:</p>
<p>The final piece of code we are missing, is a bit of top-level magic:</p>
<div class="doc_code">
<pre>
@@ -795,7 +795,6 @@ add variable mutation without building SSA in your front-end.</p>
</div>
<!-- *********************************************************************** -->
<div class="doc_section"><a name="code">Full Code Listing</a></div>
<!-- *********************************************************************** -->
@@ -998,7 +997,8 @@ public:
};
/// PrototypeAST - This class represents the "prototype" for a function,
/// which captures its argument names as well as if it is an operator.
/// which captures its name, and its argument names (thus implicitly the number
/// of arguments the function takes), as well as if it is an operator.
class PrototypeAST {
std::string Name;
std::vector&lt;std::string&gt; Args;
@@ -1038,7 +1038,7 @@ public:
//===----------------------------------------------------------------------===//
/// CurTok/getNextToken - Provide a simple token buffer. CurTok is the current
/// token the parser it looking at. getNextToken reads another token from the
/// token the parser is looking at. getNextToken reads another token from the
/// lexer and updates CurTok with its results.
static int CurTok;
static int getNextToken() {
@@ -1086,9 +1086,9 @@ static ExprAST *ParseIdentifierExpr() {
ExprAST *Arg = ParseExpression();
if (!Arg) return 0;
Args.push_back(Arg);
if (CurTok == ')') break;
if (CurTok != ',')
return Error("Expected ')' or ',' in argument list");
getNextToken();
@@ -1188,7 +1188,6 @@ static ExprAST *ParseForExpr() {
return new ForExprAST(IdName, Start, End, Step, Body);
}
/// primary
/// ::= identifierexpr
/// ::= numberexpr
@@ -1272,7 +1271,7 @@ static ExprAST *ParseExpression() {
static PrototypeAST *ParsePrototype() {
std::string FnName;
unsigned Kind = 0; // 0 = identifier, 1 = unary, 2 = binary.
unsigned Kind = 0; // 0 = identifier, 1 = unary, 2 = binary.
unsigned BinaryPrecedence = 30;
switch (CurTok) {
@@ -1389,7 +1388,6 @@ Value *UnaryExprAST::Codegen() {
return Builder.CreateCall(F, OperandV, "unop");
}
Value *BinaryExprAST::Codegen() {
Value *L = LHS-&gt;Codegen();
Value *R = RHS-&gt;Codegen();
@@ -1402,7 +1400,8 @@ Value *BinaryExprAST::Codegen() {
case '&lt;':
L = Builder.CreateFCmpULT(L, R, "cmptmp");
// Convert bool 0/1 to double 0.0 or 1.0
return Builder.CreateUIToFP(L, Type::getDoubleTy(getGlobalContext()), "booltmp");
return Builder.CreateUIToFP(L, Type::getDoubleTy(getGlobalContext()),
"booltmp");
default: break;
}
@@ -1687,7 +1686,7 @@ static void HandleExtern() {
}
static void HandleTopLevelExpression() {
// Evaluate a top level expression into an anonymous function.
// Evaluate a top-level expression into an anonymous function.
if (FunctionAST *F = ParseTopLevelExpr()) {
if (Function *LF = F-&gt;Codegen()) {
// JIT the function, returning a function pointer.
@@ -1710,7 +1709,7 @@ static void MainLoop() {
fprintf(stderr, "ready&gt; ");
switch (CurTok) {
case tok_eof: return;
case ';': getNextToken(); break; // ignore top level semicolons.
case ';': getNextToken(); break; // ignore top-level semicolons.
case tok_def: HandleDefinition(); break;
case tok_extern: HandleExtern(); break;
default: HandleTopLevelExpression(); break;
@@ -1718,8 +1717,6 @@ static void MainLoop() {
}
}
//===----------------------------------------------------------------------===//
// "Library" functions that can be "extern'd" from user code.
//===----------------------------------------------------------------------===//
@@ -1743,6 +1740,9 @@ double printd(double X) {
//===----------------------------------------------------------------------===//
int main() {
InitializeNativeTarget();
LLVMContext &amp;Context = getGlobalContext();
// Install standard binary operators.
// 1 is lowest precedence.
BinopPrecedence['&lt;'] = 10;
@@ -1755,7 +1755,7 @@ int main() {
getNextToken();
// Make the module, which holds all the code.
TheModule = new Module("my cool jit", getGlobalContext());
TheModule = new Module("my cool jit", Context);
ExistingModuleProvider *OurModuleProvider =
new ExistingModuleProvider(TheModule);