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