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annotate gen/elem.c @ 73:b706170e24a9 trunk

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[svn r77] Fixed foreach on slice. Fixed some nested function problems when accessing outer function parameters. Major changes to handling of structs. Initial support for unions. Probably more...
author lindquist
date Wed, 31 Oct 2007 03:11:32 +0100
parents 0c77619e803b
children 339422268de1
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1 #include <iostream>
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3 #include "gen/llvm.h"
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e116aa1488e6 [svn r8] changed backend includes to always use the gen/<foo>.h prefix
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5 #include "gen/elem.h"
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6 #include "gen/irstate.h"
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7 #include "gen/logger.h"
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9 //////////////////////////////////////////////////////////////////////////////////////////
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10
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11 elem::elem()
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12 {
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13 mem = 0;
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14 val = 0;
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15 arg = 0;
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16
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17 type = NONE;
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18 inplace = false;
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19 field = false;
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d3ee9efe20e2 [svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
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20 callconv = (unsigned)-1;
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37a4fdab33fc [svn r19] * Added support for reassigning 'this' inside class constructors.
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21 isthis = false;
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0c77619e803b [svn r56] Initial support for TypeInfo.
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22 istypeinfo = false;
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24 vardecl = 0;
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25 funcdecl = 0;
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26 }
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28 llvm::Value* elem::getValue()
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29 {
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30 assert(val || mem);
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31 switch(type)
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32 {
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33 case NONE:
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34 assert(0 && "type == NONE");
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35 break;
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36
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37 case VAR:
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4648206ca213 [svn r38] * resizing dynamic arrays support
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38 case REF:
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39 case ARRAYLEN:
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40 if (val) {
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41 return val;
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42 }
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43 else {
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44 if (!llvm::isa<llvm::PointerType>(mem->getType()))
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45 {
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46 Logger::cout() << "unexpected type: " << *mem->getType() << '\n';
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47 assert(0);
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48 }
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49 const llvm::PointerType* pt = llvm::cast<llvm::PointerType>(mem->getType());
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50 if (!pt->getElementType()->isFirstClassType()) {
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51 return mem;
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52 }
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53 else {
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54 return gIR->ir->CreateLoad(mem, "tmp");
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55 }
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56 }
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57
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58 case VAL:
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59 case NUL:
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60 case FUNC:
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61 case CONST:
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62 case SLICE:
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63 return val ? val : mem;
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64 }
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65 assert(0 && "type == invalid value");
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66 return 0;
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67 }