1 | /* -*- C++ -*- */ |
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2 | #include "ParseNode.h" |
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3 | using namespace std; |
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4 | |
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5 | // Builder |
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6 | int ParseNode::indent_by = 4; |
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7 | |
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8 | // ParseNode::ParseNode(void): next( 0 ) {}; |
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9 | ParseNode::ParseNode( std::string _name, char *filename, int lineno ) |
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10 | : name(_name), next( 0 ), filename( filename ), lineno( lineno ) |
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11 | { |
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12 | } |
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13 | |
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14 | ParseNode *ParseNode::set_name (string _name) { |
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15 | name = _name; |
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16 | |
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17 | return this; |
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18 | } |
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19 | |
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20 | ParseNode *ParseNode::set_name (string *_name) { |
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21 | name = *_name; // deep copy |
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22 | delete _name; |
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23 | |
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24 | return this; |
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25 | } |
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26 | |
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27 | ParseNode::~ParseNode(void){ |
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28 | delete next; |
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29 | }; |
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30 | |
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31 | string ParseNode::get_name(void) { |
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32 | return name; |
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33 | } |
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34 | |
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35 | ParseNode *ParseNode::get_link(void) const { |
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36 | return next; |
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37 | } |
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38 | |
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39 | ParseNode *ParseNode::get_last(void) { |
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40 | ParseNode * current = this; |
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41 | |
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42 | while(current->get_link() != 0) |
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43 | current = current->get_link(); |
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44 | |
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45 | return current; |
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46 | } |
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47 | |
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48 | ParseNode *ParseNode::set_link(ParseNode *_next){ |
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49 | ParseNode *follow; |
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50 | |
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51 | if(_next == 0) return this; |
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52 | |
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53 | for(follow = this; follow->next != 0; follow = follow->next); |
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54 | follow->next = _next; |
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55 | |
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56 | return this; |
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57 | } |
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58 | |
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59 | const string ParseNode::get_name(void) const { |
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60 | return name; |
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61 | } |
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62 | |
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63 | void ParseNode::print(std::ostream &os, int indent) const |
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64 | { |
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65 | } |
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66 | |
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67 | |
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68 | void ParseNode::printList(std::ostream &os, int indent) const |
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69 | { |
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70 | print( os, indent ); |
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71 | |
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72 | if( next ) { |
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73 | next->printList( os, indent ); |
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74 | } |
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75 | } |
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76 | |
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77 | ParseNode &ParseNode::operator,(ParseNode &p){ |
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78 | set_link(&p); |
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79 | |
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80 | return *this; |
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81 | } |
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82 | |
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83 | ParseNode *mkList(ParseNode &pn){ |
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84 | /* it just relies on `operator,' to take care of the "arguments" and provides |
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85 | a nice interface to an awful-looking address-of, rendering, for example |
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86 | (StatementNode *)(&(*$5 + *$7)) into (StatementNode *)mkList(($5, $7)) |
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87 | (although "nice" is probably not the word) |
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88 | */ |
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89 | |
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90 | return &pn; |
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91 | } |
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92 | |
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93 | |
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94 | // Local Variables: // |
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95 | // mode: C++ // |
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96 | // compile-command: "gmake" // |
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97 | // End: // |
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