sablecc-3.2.zip

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * This file is part of SableCC. * * See the file "LICENSE" for copyright information and the * * terms and conditions for copying, distribution and * * modification of SableCC. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ Macro:ParserHeader /* This file was generated by SableCC (http://www.sablecc.org/). */ package $0$; import $1$.*; import $2$.*; import $3$.*; import java.util.*; import java.io.DataInputStream; import java.io.BufferedInputStream; import java.io.IOException; @SuppressWarnings("nls") public class Parser { public final Analysis ignoredTokens = new AnalysisAdapter(); protected ArrayList nodeList; private final Lexer lexer; private final ListIterator stack = new LinkedList().listIterator(); private int last_pos; private int last_line; private Token last_token; private final TokenIndex converter = new TokenIndex(); private final int[] action = new int[2]; private final static int SHIFT = 0; private final static int REDUCE = 1; private final static int ACCEPT = 2; private final static int ERROR = 3; public Parser(@SuppressWarnings("hiding") Lexer lexer) { this.lexer = lexer; } $ Macro:ParserInliningPushHeader @SuppressWarnings({"unchecked","unused"}) private void push(int numstate, ArrayList listNode) throws ParserException, LexerException, IOException { this.nodeList = listNode; $ Macro:ParserNoInliningPushHeader protected void filter() throws ParserException, LexerException, IOException { // Empty body } private void push(int numstate, ArrayList listNode, boolean hidden) throws ParserException, LexerException, IOException { this.nodeList = listNode; if(!hidden) { filter(); } $ Macro:ParserCommon if(!this.stack.hasNext()) { this.stack.add(new State(numstate, this.nodeList)); return; } State s = (State) this.stack.next(); s.state = numstate; s.nodes = this.nodeList; } private int goTo(int index) { int state = state(); int low = 1; int high = gotoTable[index].length - 1; int value = gotoTable[index][0][1]; while(low <= high) { int middle = (low + high) / 2; if(state < gotoTable[index][middle][0]) { high = middle - 1; } else if(state > gotoTable[index][middle][0]) { low = middle + 1; } else { value = gotoTable[index][middle][1]; break; } } return value; } private int state() { State s = (State) this.stack.previous(); this.stack.next(); return s.state; } private ArrayList pop() { return ((State) this.stack.previous()).nodes; } private int index(Switchable token) { this.converter.index = -1; token.apply(this.converter); return this.converter.index; } @SuppressWarnings("unchecked") public Start parse() throws ParserException, LexerException, IOException { push(0, null$0$); List<Node> ign = null; while(true) { while(index(this.lexer.peek()) == -1) { if(ign == null) { ign = new LinkedList<Node>(); } ign.add(this.lexer.next()); } if(ign != null) { this.ignoredTokens.setIn(this.lexer.peek(), ign); ign = null; } this.last_pos = this.lexer.peek().getPos(); this.last_line = this.lexer.peek().getLine(); this.last_token = this.lexer.peek(); int index = index(this.lexer.peek()); this.action[0] = Parser.actionTable[state()][0][1]; this.action[1] = Parser.actionTable[state()][0][2]; int low = 1; int high = Parser.actionTable[state()].length - 1; while(low <= high) { int middle = (low + high) / 2; if(index < Parser.actionTable[state()][middle][0]) { high = middle - 1; } else if(index > Parser.actionTable[state()][middle][0]) { low = middle + 1; } else { this.action[0] = Parser.actionTable[state()][middle][1]; this.action[1] = Parser.actionTable[state()][middle][2]; break; } } switch(this.action[0]) { case SHIFT: { ArrayList list = new ArrayList(); list.add(this.lexer.next()); push(this.action[1], list$1$); } break; case REDUCE: switch(this.action[1]) { $ Macro:ParserInliningReduce case $0$: /* reduce $2$ */ { ArrayList list = new$0$(); push(goTo($1$), list); } break; $ Macro:ParserNoInliningReduce case $0$: /* reduce $3$ */ { ArrayList list = new$0$(); push(goTo($1$), list, $2$); } break; $ Macro:ParserParseTail } break; case ACCEPT: { EOF node2 = (EOF) this.lexer.next(); $0$ node1 = ($0$) pop().get(0); Start node = new Start(node1, node2); return node; } case ERROR: throw new ParserException(this.last_token, "[" + this.last_line + "," + this.last_pos + "] " + Parser.errorMessages[Parser.errors[this.action[1]]]); } } } $ Macro:ParserNewHeader @SuppressWarnings("unchecked") ArrayList new$0$() /* reduce $1$ */ { @SuppressWarnings("hiding") ArrayList nodeList = new ArrayList(); $ Macro:ParserNewBodyDecl @SuppressWarnings("unused") ArrayList nodeArrayList$0$ = pop(); $ Macro:ParserNewBodyDeclNull ArrayList nodeArrayList$0$ = null; $ Macro:ParserBraceOpening { // Block $ Macro:ParserBraceClosing } $ Macro:ParserSimpleVariableDeclaration $0$ $1$Node$2$; $ Macro:ParserListVariableDeclaration LinkedList listNode$0$ = new LinkedList(); $ Macro:ParserNullVariableDeclaration @SuppressWarnings("unused") Object nullNode$0$ = null; $ Macro:ParserSimpleTerm $0$Node$1$ = ($2$)nodeArrayList$3$.get($4$); $ Macro:ParserNewBodyNew $0$Node$1$ = new $2$( $ Macro:ParserNew&ListBodyParams $0$Node$1$ $ Macro:ParserNew&ListBodyParamsNull $0$ $ Macro:ParserNewBodyNewTail ); $ Macro:ParserTypedLinkedListAdd if($2$Node$3$ != null) { $0$Node$1$.add($2$Node$3$); } $ Macro:ParserTypedLinkedListAddAll if($2$Node$3$ != null) { $0$Node$1$.addAll($2$Node$3$); } $ Macro:ParserTypedLinkedListAddAll2 if($2$ != null) { $0$Node$1$.addAll($2$); } $ Macro:ParserNewBodyListAdd nodeList.add($0$Node$1$); $ Macro:ParserNewTail return nodeList; } $ Macro:ParserActionHeader private static int[][][] actionTable; /* { $ Macro:ParserActionTail };*/ $ Macro:ParserGotoHeader private static int[][][] gotoTable; /* { $ Macro:ParserGotoTail };*/ $ Macro:ParserErrorsHeader private static String[] errorMessages; /* { $ Macro:ParserErrorsTail