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Enhancements to pass argc & argv to main if required
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@909 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -777,6 +777,8 @@ void Interpreter::callMethod(Method *M, const vector<GenericValue> &ArgVals) {
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// Run through the method arguments and initialize their values...
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assert(ArgVals.size() == M->getArgumentList().size() &&
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"Invalid number of values passed to method invocation!");
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unsigned i = 0;
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for (Method::ArgumentListType::iterator MI = M->getArgumentList().begin(),
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ME = M->getArgumentList().end(); MI != ME; ++MI, ++i) {
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@ -110,9 +110,10 @@ GenericValue lle_X_print(MethodType *M, const vector<GenericValue> &ArgVals) {
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GenericValue lle_X_printVal(MethodType *M, const vector<GenericValue> &ArgVal) {
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assert(ArgVal.size() == 1 && "generic print only takes one argument!");
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// Specialize print([ubyte {x N} ] *)
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// Specialize print([ubyte {x N} ] *) and print(sbyte *)
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if (PointerType *PTy = dyn_cast<PointerType>(M->getParamTypes()[0].get()))
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if (const ArrayType *ATy = dyn_cast<ArrayType>(PTy->getValueType())) {
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if (PTy->getValueType() == Type::SByteTy ||
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isa<ArrayType>(PTy->getValueType())) {
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return lle_VP_printstr(M, ArgVal);
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}
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@ -132,4 +133,9 @@ GenericValue lle_VB_putchar(MethodType *M, const vector<GenericValue> &Args) {
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return GenericValue();
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}
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// void "__main"()
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GenericValue lle_V___main(MethodType *M, const vector<GenericValue> &Args) {
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return GenericValue();
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}
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} // End extern "C"
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@ -86,6 +86,9 @@ public:
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static void print(const Type *Ty, GenericValue V);
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static void printValue(const Type *Ty, GenericValue V);
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// Hack until we can parse command line args...
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bool callMainMethod(const string &MainName,
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const string &InputFilename);
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void list(); // Do the 'list' command
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void printStackTrace(); // Do the 'backtrace' command
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@ -7,6 +7,7 @@
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#include "Interpreter.h"
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#include "llvm/Bytecode/Reader.h"
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#include "llvm/Assembly/Writer.h"
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#include "llvm/DerivedTypes.h"
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#include <algorithm>
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enum CommandID {
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@ -199,3 +200,63 @@ bool Interpreter::callMethod(const string &Name) {
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return false;
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}
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// callMainMethod - This is a nasty gross hack that will dissapear when
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// callMethod can parse command line options and stuff for us.
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//
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bool Interpreter::callMainMethod(const string &Name,
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const string &InputFilename) {
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vector<Value*> Options = LookupMatchingNames(Name);
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for (unsigned i = 0; i < Options.size(); ++i) { // Remove nonmethod matches...
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if (!isa<Method>(Options[i])) {
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Options.erase(Options.begin()+i);
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--i;
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}
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}
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Value *PickedMeth = ChooseOneOption(Name, Options);
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if (PickedMeth == 0)
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return true;
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Method *M = cast<Method>(PickedMeth);
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const MethodType *MT = M->getMethodType();
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vector<GenericValue> Args;
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switch (MT->getParamTypes().size()) {
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default:
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cout << "Unknown number of arguments to synthesize for '" << Name << "'!\n";
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return true;
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case 2: {
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PointerType *SPP = PointerType::get(PointerType::get(Type::SByteTy));
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if (MT->getParamTypes()[1] != SPP) {
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cout << "Second argument of '" << Name << "' should have type: '"
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<< SPP->getDescription() << "'!\n";
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return true;
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}
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// TODO:
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GenericValue GV; GV.PointerVal = 0;
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Args.push_back(GV);
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}
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// fallthrough
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case 1:
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if (!MT->getParamTypes()[0]->isIntegral()) {
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cout << "First argument of '" << Name << "' should be integral!\n";
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return true;
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} else {
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GenericValue GV; GV.IntVal = 1;
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Args.insert(Args.begin(), GV);
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}
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// fallthrough
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case 0:
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break;
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}
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callMethod(M, Args); // Start executing it...
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// Reset the current frame location to the top of stack
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CurFrame = ECStack.size()-1;
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return false;
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}
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@ -49,7 +49,7 @@ int main(int argc, char** argv) {
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// Start interpreter into the main function...
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//
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if (!I.callMethod(MainFunction) && !DebugMode) {
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if (!I.callMainMethod(MainFunction, InputFilename) && !DebugMode) {
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// If not in debug mode and if the call succeeded, run the code now...
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I.run();
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}
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