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173
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1 import c3, ppci, ir, x86, transform
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171
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2 import os
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3
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4 testsrc = """
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5 package test2;
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6
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7 function void tst()
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8 {
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9 var int a, b;
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10 a = 2 * 33 - 12;
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11 b = a * 2 + 13;
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12 a = b + a;
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13 if (a > b and b *3 - a+8*b== 3*6-b)
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14 {
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15 var int x = a;
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16 x = b * 2 - a;
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17 a = x * x;
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18 }
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19 else
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20 {
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21 a = b + a;
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22 }
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23 var int y;
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24 y = a - b * 53;
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25 }
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26
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172
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27 function int add2(int x, int y)
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28 {
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29 var int res;
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174
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30 res = x + y + 2 - 7 + 2;
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31 if (x > 13)
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32 {
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33 res = res + 2;
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34 }
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172
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35 return res;
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36 }
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37
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171
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38 """
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39
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40 if __name__ == '__main__':
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41 diag = ppci.DiagnosticsManager()
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42 builder = c3.Builder(diag)
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43 cgenx86 = x86.X86CodeGen(diag)
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44 ir = builder.build(testsrc)
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172
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45 diag.printErrors(testsrc)
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173
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46 #ir.dump()
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47 cf = transform.ConstantFolder()
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48 dcd = transform.DeadCodeDeleter()
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171
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49 ir.check()
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173
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50 cf.run(ir)
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51 cf.run(ir)
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52 #dcd.run(ir)
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171
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53 ir.dump()
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54 asm = cgenx86.genBin(ir)
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55 for a in asm:
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56 print(a)
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57 with open('out.asm', 'w') as f:
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58 f.write('BITS 64\n')
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59 for a in asm:
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60 f.write(str(a) + '\n')
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61
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62 # Dump a graphiz file:
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63 with open('graaf.gv', 'w') as f:
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64 ir.dumpgv(f)
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65 os.system('dot -Tpdf -ograaf.pdf graaf.gv')
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66
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