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Test driver for icg in main, just a temporary thing

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git-svn-id: svn://10.0.0.236/trunk@64498 18797224-902f-48f8-a5cc-f745e15eee43
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rogerl%netscape.com
2000-03-29 19:24:07 +00:00
parent 13ce8fb99d
commit 8976584059
4 changed files with 104 additions and 4 deletions
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52
mozilla/js2/tests/cpp/js2_shell.cpp
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@@ -329,13 +329,63 @@ ProcessArgs(char **argv, int argc)
}
#endif
#include "icodegenerator.h"
void testICG(World &world)
{
//
// testing ICG
//
SourcePosition pos = { 0, 0, 0 };
ICodeGenerator icg;
// var i,j; i = j + 2;
// i is bound to var #0, j to var #1
icg.beginStatement(pos);
Register r1 = icg.loadVariable(1);
Register r2 = icg.loadImmediate(2.0);
icg.saveVariable(0, icg.op(ADD, r1, r2));
// j = a.b
icg.beginStatement(pos);
Register r4 = icg.loadName(world.identifiers[widenCString("a")]);
Register r5 = icg.getProperty(world.identifiers[widenCString("b")], r4);
icg.saveVariable(1, r5);
// while (i) i = i + j;
icg.beginWhileStatement(pos);
r1 = icg.loadVariable(0);
icg.endWhileExpression(r1);
icg.saveVariable(0, icg.op(ADD, icg.loadVariable(0), icg.loadVariable(1)));
icg.endWhileStatement();
// if (i) if (j) i = 3; else j = 4;
r1 = icg.loadVariable(0);
icg.beginIfStatement(pos, r1);
r2 = icg.loadVariable(1);
icg.beginIfStatement(pos, r2);
icg.saveVariable(0, icg.loadImmediate(3));
icg.beginElseStatement(true);
icg.saveVariable(1, icg.loadImmediate(4));
icg.endIfStatement();
icg.beginElseStatement(false);
icg.endIfStatement();
std::cout << icg;
}
int main(int argc, char **argv)
{
#if defined(XP_MAC) && !defined(XP_MAC_MPW)
initConsole("\pJavaScript Shell", "Welcome to the js2 shell.\n", argc, argv);
#endif
World world;
#if 0
testICG(world);
#else
readEvalPrint(std::cin, world);
return 0;
#endif
return 0;
//return ProcessArgs(argv + 1, argc - 1);
}