mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-18 10:31:57 +00:00
79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
|
//===-- Support.cpp - Support routines for interpreter --------------------===//
|
||
|
|
//
|
||
|
|
// This file contains support routines for the interpreter core.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#include "Interpreter.h"
|
||
|
|
#include "llvm/SymbolTable.h"
|
||
|
|
#include "llvm/Assembly/Writer.h"
|
||
|
|
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// LookupMatchingNames helper - Search a symbol table for values matching Name.
|
||
|
|
//
|
||
|
|
static inline void LookupMatchingNames(const string &Name, SymTabValue &STV,
|
||
|
|
vector<Value*> &Results) {
|
||
|
|
SymbolTable *SymTab = STV.getSymbolTable();
|
||
|
|
if (SymTab == 0) return; // No symbolic values :(
|
||
|
|
|
||
|
|
// Loop over all of the type planes in the symbol table...
|
||
|
|
for (SymbolTable::iterator I = SymTab->begin(), E = SymTab->end();
|
||
|
|
I != E; ++I) {
|
||
|
|
SymbolTable::VarMap &Plane = I->second;
|
||
|
|
|
||
|
|
// Search the symbol table plane for this name...
|
||
|
|
SymbolTable::VarMap::iterator Val = Plane.find(Name);
|
||
|
|
if (Val != Plane.end())
|
||
|
|
Results.push_back(Val->second); // Found a name match!
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// LookupMatchingNames - Search the current method namespace, then the global
|
||
|
|
// namespace looking for values that match the specified name. Return ALL
|
||
|
|
// matches to that name. This is obviously slow, and should only be used for
|
||
|
|
// user interaction.
|
||
|
|
//
|
||
|
|
vector<Value*> Interpreter::LookupMatchingNames(const string &Name) {
|
||
|
|
vector<Value*> Results;
|
||
|
|
Method *CurMeth = getCurrentMethod();
|
||
|
|
|
||
|
|
if (CurMeth) ::LookupMatchingNames(Name, *CurMeth, Results);
|
||
|
|
if (CurMod ) ::LookupMatchingNames(Name, *CurMod , Results);
|
||
|
|
return Results;
|
||
|
|
}
|
||
|
|
|
||
|
|
// ChooseOneOption - Prompt the user to choose among the specified options to
|
||
|
|
// pick one value. If no options are provided, emit an error. If a single
|
||
|
|
// option is provided, just return that option.
|
||
|
|
//
|
||
|
|
Value *Interpreter::ChooseOneOption(const string &Name,
|
||
|
|
const vector<Value*> &Opts) {
|
||
|
|
switch (Opts.size()) {
|
||
|
|
case 1: return Opts[0];
|
||
|
|
case 0:
|
||
|
|
cout << "Error: no entities named '" << Name << "' found!\n";
|
||
|
|
return 0;
|
||
|
|
default: break; // Must prompt user...
|
||
|
|
}
|
||
|
|
|
||
|
|
cout << "Multiple entities named '" << Name << "' found! Please choose:\n";
|
||
|
|
cout << " 0. Cancel operation\n";
|
||
|
|
for (unsigned i = 0; i < Opts.size(); ++i) {
|
||
|
|
cout << " " << (i+1) << ".";
|
||
|
|
WriteAsOperand(cout, Opts[i]) << endl;
|
||
|
|
}
|
||
|
|
|
||
|
|
unsigned Option;
|
||
|
|
do {
|
||
|
|
cout << "lli> " << flush;
|
||
|
|
cin >> Option;
|
||
|
|
if (Option > Opts.size())
|
||
|
|
cout << "Invalid selection: Please choose from 0 to " << Opts.size()
|
||
|
|
<< endl;
|
||
|
|
} while (Option > Opts.size());
|
||
|
|
|
||
|
|
if (Option == 0) return 0;
|
||
|
|
return Opts[Option-1];
|
||
|
|
}
|