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Jiffle is a raster algebra language that can be used to
create new images from logical and mathematical expressions involving
source images and user defined variables. It is intended to let users
concentrate on algorithms rather than tedious boiler-plate code.
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// $ANTLR 3.3 Nov 30, 2010 12:46:29 jaitools/jiffle/parser/CheckFunctionCalls.g 2011-03-08 17:37:57
package jaitools.jiffle.parser;
import org.antlr.runtime.*;
import org.antlr.runtime.tree.*;import java.util.Stack;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;
/**
* Checks function calls in the primary AST.
*
* @author Michael Bedward
*/
public class CheckFunctionCalls extends TreeFilter {
public static final String[] tokenNames = new String[] {
"", "", "", "", "JIFFLE_OPTION", "IMAGE_SCOPE_VAR_DECL", "EXPR_LIST", "DECLARED_LIST", "PAR", "FUNC_CALL", "IF_CALL", "BLOCK", "IMAGE_POS", "BAND_REF", "PIXEL_REF", "ABS_POS", "REL_POS", "PREFIX", "POSTFIX", "SEQUENCE", "CONSTANT", "IMAGE_WRITE", "VAR_DEST", "VAR_SOURCE", "VAR_IMAGE_SCOPE", "VAR_PIXEL_SCOPE", "VAR_PROVIDED", "VAR_LOOP", "VAR_LIST", "LIST_NEW", "OPTIONS", "LCURLY", "RCURLY", "ID", "EQ", "SEMI", "INIT", "BREAKIF", "LPAR", "RPAR", "WHILE", "UNTIL", "FOREACH", "IN", "COMMA", "COLON", "IF", "APPEND", "TIMESEQ", "DIVEQ", "MODEQ", "PLUSEQ", "MINUSEQ", "QUESTION", "OR", "XOR", "AND", "LOGICALEQ", "NE", "GT", "GE", "LE", "LT", "PLUS", "MINUS", "TIMES", "DIV", "MOD", "NOT", "INCR", "DECR", "POW", "LSQUARE", "RSQUARE", "ABS_POS_PREFIX", "INT_LITERAL", "FLOAT_LITERAL", "TRUE", "FALSE", "NULL", "COMMENT", "INT_TYPE", "FLOAT_TYPE", "DOUBLE_TYPE", "BOOLEAN_TYPE", "Letter", "UNDERSCORE", "Digit", "Dot", "NonZeroDigit", "FloatExp", "WS", "ESC_SEQ", "CHAR", "HEX_DIGIT", "UNICODE_ESC", "OCTAL_ESC"
};
public static final int EOF=-1;
public static final int JIFFLE_OPTION=4;
public static final int IMAGE_SCOPE_VAR_DECL=5;
public static final int EXPR_LIST=6;
public static final int DECLARED_LIST=7;
public static final int PAR=8;
public static final int FUNC_CALL=9;
public static final int IF_CALL=10;
public static final int BLOCK=11;
public static final int IMAGE_POS=12;
public static final int BAND_REF=13;
public static final int PIXEL_REF=14;
public static final int ABS_POS=15;
public static final int REL_POS=16;
public static final int PREFIX=17;
public static final int POSTFIX=18;
public static final int SEQUENCE=19;
public static final int CONSTANT=20;
public static final int IMAGE_WRITE=21;
public static final int VAR_DEST=22;
public static final int VAR_SOURCE=23;
public static final int VAR_IMAGE_SCOPE=24;
public static final int VAR_PIXEL_SCOPE=25;
public static final int VAR_PROVIDED=26;
public static final int VAR_LOOP=27;
public static final int VAR_LIST=28;
public static final int LIST_NEW=29;
public static final int OPTIONS=30;
public static final int LCURLY=31;
public static final int RCURLY=32;
public static final int ID=33;
public static final int EQ=34;
public static final int SEMI=35;
public static final int INIT=36;
public static final int BREAKIF=37;
public static final int LPAR=38;
public static final int RPAR=39;
public static final int WHILE=40;
public static final int UNTIL=41;
public static final int FOREACH=42;
public static final int IN=43;
public static final int COMMA=44;
public static final int COLON=45;
public static final int IF=46;
public static final int APPEND=47;
public static final int TIMESEQ=48;
public static final int DIVEQ=49;
public static final int MODEQ=50;
public static final int PLUSEQ=51;
public static final int MINUSEQ=52;
public static final int QUESTION=53;
public static final int OR=54;
public static final int XOR=55;
public static final int AND=56;
public static final int LOGICALEQ=57;
public static final int NE=58;
public static final int GT=59;
public static final int GE=60;
public static final int LE=61;
public static final int LT=62;
public static final int PLUS=63;
public static final int MINUS=64;
public static final int TIMES=65;
public static final int DIV=66;
public static final int MOD=67;
public static final int NOT=68;
public static final int INCR=69;
public static final int DECR=70;
public static final int POW=71;
public static final int LSQUARE=72;
public static final int RSQUARE=73;
public static final int ABS_POS_PREFIX=74;
public static final int INT_LITERAL=75;
public static final int FLOAT_LITERAL=76;
public static final int TRUE=77;
public static final int FALSE=78;
public static final int NULL=79;
public static final int COMMENT=80;
public static final int INT_TYPE=81;
public static final int FLOAT_TYPE=82;
public static final int DOUBLE_TYPE=83;
public static final int BOOLEAN_TYPE=84;
public static final int Letter=85;
public static final int UNDERSCORE=86;
public static final int Digit=87;
public static final int Dot=88;
public static final int NonZeroDigit=89;
public static final int FloatExp=90;
public static final int WS=91;
public static final int ESC_SEQ=92;
public static final int CHAR=93;
public static final int HEX_DIGIT=94;
public static final int UNICODE_ESC=95;
public static final int OCTAL_ESC=96;
// delegates
// delegators
public CheckFunctionCalls(TreeNodeStream input) {
this(input, new RecognizerSharedState());
}
public CheckFunctionCalls(TreeNodeStream input, RecognizerSharedState state) {
super(input, state);
}
public String[] getTokenNames() { return CheckFunctionCalls.tokenNames; }
public String getGrammarFileName() { return "jaitools/jiffle/parser/CheckFunctionCalls.g"; }
private MessageTable msgTable;
public CheckFunctionCalls(TreeNodeStream input, MessageTable msgTable) {
this(input);
if (msgTable == null) {
throw new IllegalArgumentException( "msgTable should not be null" );
}
this.msgTable = msgTable;
}
// $ANTLR start "topdown"
// jaitools/jiffle/parser/CheckFunctionCalls.g:53:1: topdown : functionCall ;
public final void topdown() throws RecognitionException {
try {
// jaitools/jiffle/parser/CheckFunctionCalls.g:53:9: ( functionCall )
// jaitools/jiffle/parser/CheckFunctionCalls.g:53:11: functionCall
{
pushFollow(FOLLOW_functionCall_in_topdown71);
functionCall();
state._fsp--;
if (state.failed) return ;
}
}
catch (RecognitionException re) {
reportError(re);
recover(input,re);
}
finally {
}
return ;
}
// $ANTLR end "topdown"
// $ANTLR start "functionCall"
// jaitools/jiffle/parser/CheckFunctionCalls.g:57:1: functionCall : ^( FUNC_CALL ID expressionList ) ;
public final void functionCall() throws RecognitionException {
CommonTree ID1=null;
List expressionList2 = null;
try {
// jaitools/jiffle/parser/CheckFunctionCalls.g:57:17: ( ^( FUNC_CALL ID expressionList ) )
// jaitools/jiffle/parser/CheckFunctionCalls.g:57:19: ^( FUNC_CALL ID expressionList )
{
match(input,FUNC_CALL,FOLLOW_FUNC_CALL_in_functionCall93); if (state.failed) return ;
match(input, Token.DOWN, null); if (state.failed) return ;
ID1=(CommonTree)match(input,ID,FOLLOW_ID_in_functionCall95); if (state.failed) return ;
pushFollow(FOLLOW_expressionList_in_functionCall97);
expressionList2=expressionList();
state._fsp--;
if (state.failed) return ;
match(input, Token.UP, null); if (state.failed) return ;
if ( state.backtracking==1 ) {
if (!FunctionLookup.isDefined((ID1!=null?ID1.getText():null), expressionList2)) {
StringBuilder sb = new StringBuilder();
sb.append((ID1!=null?ID1.getText():null));
sb.append("(");
int k = 0;
for (String s : expressionList2) {
sb.append(s);
if (++k < expressionList2.size()) {
sb.append(", ");
}
}
sb.append(")");
msgTable.add(sb.toString(), Message.UNDEFINED_FUNCTION);
}
}
}
}
catch (RecognitionException re) {
reportError(re);
recover(input,re);
}
finally {
}
return ;
}
// $ANTLR end "functionCall"
// $ANTLR start "expressionList"
// jaitools/jiffle/parser/CheckFunctionCalls.g:77:1: expressionList returns [List argTypes] : ^( EXPR_LIST (e= . )* ) ;
public final List expressionList() throws RecognitionException {
List argTypes = null;
CommonTree e=null;
argTypes = new ArrayList();
try {
// jaitools/jiffle/parser/CheckFunctionCalls.g:79:17: ( ^( EXPR_LIST (e= . )* ) )
// jaitools/jiffle/parser/CheckFunctionCalls.g:79:19: ^( EXPR_LIST (e= . )* )
{
match(input,EXPR_LIST,FOLLOW_EXPR_LIST_in_expressionList167); if (state.failed) return argTypes;
if ( input.LA(1)==Token.DOWN ) {
match(input, Token.DOWN, null); if (state.failed) return argTypes;
// jaitools/jiffle/parser/CheckFunctionCalls.g:79:31: (e= . )*
loop1:
do {
int alt1=2;
switch ( input.LA(1) ) {
case JIFFLE_OPTION:
case IMAGE_SCOPE_VAR_DECL:
case EXPR_LIST:
case DECLARED_LIST:
case PAR:
case FUNC_CALL:
case IF_CALL:
case BLOCK:
case IMAGE_POS:
case BAND_REF:
case PIXEL_REF:
case ABS_POS:
case REL_POS:
case PREFIX:
case POSTFIX:
case SEQUENCE:
case CONSTANT:
case IMAGE_WRITE:
case VAR_DEST:
case VAR_SOURCE:
case VAR_IMAGE_SCOPE:
case VAR_PIXEL_SCOPE:
case VAR_PROVIDED:
case VAR_LOOP:
case VAR_LIST:
case LIST_NEW:
case OPTIONS:
case LCURLY:
case RCURLY:
case ID:
case EQ:
case SEMI:
case INIT:
case BREAKIF:
case LPAR:
case RPAR:
case WHILE:
case UNTIL:
case FOREACH:
case IN:
case COMMA:
case COLON:
case IF:
case APPEND:
case TIMESEQ:
case DIVEQ:
case MODEQ:
case PLUSEQ:
case MINUSEQ:
case QUESTION:
case OR:
case XOR:
case AND:
case LOGICALEQ:
case NE:
case GT:
case GE:
case LE:
case LT:
case PLUS:
case MINUS:
case TIMES:
case DIV:
case MOD:
case NOT:
case INCR:
case DECR:
case POW:
case LSQUARE:
case RSQUARE:
case ABS_POS_PREFIX:
case INT_LITERAL:
case FLOAT_LITERAL:
case TRUE:
case FALSE:
case NULL:
case COMMENT:
case INT_TYPE:
case FLOAT_TYPE:
case DOUBLE_TYPE:
case BOOLEAN_TYPE:
case Letter:
case UNDERSCORE:
case Digit:
case Dot:
case NonZeroDigit:
case FloatExp:
case WS:
case ESC_SEQ:
case CHAR:
case HEX_DIGIT:
case UNICODE_ESC:
case OCTAL_ESC:
{
alt1=1;
}
break;
}
switch (alt1) {
case 1 :
// jaitools/jiffle/parser/CheckFunctionCalls.g:79:32: e= .
{
e=(CommonTree)input.LT(1);
matchAny(input); if (state.failed) return argTypes;
if ( state.backtracking==1 ) {
int ttype = e.getToken().getType();
argTypes.add(ttype == VAR_LIST || ttype == DECLARED_LIST ? "List" : "D");
}
}
break;
default :
break loop1;
}
} while (true);
match(input, Token.UP, null); if (state.failed) return argTypes;
}
}
}
catch (RecognitionException re) {
reportError(re);
recover(input,re);
}
finally {
}
return argTypes;
}
// $ANTLR end "expressionList"
// Delegated rules
public static final BitSet FOLLOW_functionCall_in_topdown71 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_FUNC_CALL_in_functionCall93 = new BitSet(new long[]{0x0000000000000004L});
public static final BitSet FOLLOW_ID_in_functionCall95 = new BitSet(new long[]{0x0000000000000040L});
public static final BitSet FOLLOW_expressionList_in_functionCall97 = new BitSet(new long[]{0x0000000000000008L});
public static final BitSet FOLLOW_EXPR_LIST_in_expressionList167 = new BitSet(new long[]{0x0000000000000004L});
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