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comparison src/luan/impl/LuanParser.java @ 1681:6061be2cd84b

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minor
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 03 Jun 2022 09:17:21 -0600
parents 9ef19f5ea973
children 842a0e0fd8c5
comparison
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1680:9ef19f5ea973 1681:6061be2cd84b
1010 private boolean Minus() { 1010 private boolean Minus() {
1011 parser.begin(); 1011 parser.begin();
1012 return parser.match('-') && !parser.match('-') ? parser.success() : parser.failure(); 1012 return parser.match('-') && !parser.match('-') ? parser.success() : parser.failure();
1013 } 1013 }
1014 1014
1015 private Expr TermExpr(Expr exp,String op) throws ParseException {
1016 Spaces();
1017 exp = exp.single();
1018 Expr exp2 = required(UnaryExpr()).single();
1019 Expr newExp = new Expr(Val.SINGLE,false);
1020 newExp.add( "LuanImpl." + op + "(luan," );
1021 newExp.addAll( exp );
1022 newExp.add( "," );
1023 newExp.addAll( exp2 );
1024 newExp.add( ")" );
1025 return newExp;
1026 }
1027
1015 private Expr TermExpr() throws ParseException { 1028 private Expr TermExpr() throws ParseException {
1016 parser.begin(); 1029 parser.begin();
1017 Expr exp = UnaryExpr(); 1030 Expr exp = UnaryExpr();
1018 if( exp==null ) 1031 if( exp==null )
1019 return parser.failure(null); 1032 return parser.failure(null);
1020 while(true) { 1033 while(true) {
1021 if( parser.match('*') ) { 1034 if( parser.match('*') ) {
1022 Spaces(); 1035 exp = TermExpr(exp,"mul");
1023 exp = exp.single();
1024 Expr exp2 = required(UnaryExpr()).single();
1025 Expr newExp = new Expr(Val.SINGLE,false);
1026 newExp.add( "LuanImpl.mul(luan," );
1027 newExp.addAll( exp );
1028 newExp.add( "," );
1029 newExp.addAll( exp2 );
1030 newExp.add( ")" );
1031 exp = newExp;
1032 } else if( parser.match('/') ) { 1036 } else if( parser.match('/') ) {
1033 if( parser.match('/') ) { 1037 if( parser.match('/') ) {
1034 Spaces(); 1038 exp = TermExpr(exp,"idiv");
1035 exp = exp.single();
1036 Expr exp2 = required(UnaryExpr()).single();
1037 Expr newExp = new Expr(Val.SINGLE,false);
1038 newExp.add( "LuanImpl.idiv(luan," );
1039 newExp.addAll( exp );
1040 newExp.add( "," );
1041 newExp.addAll( exp2 );
1042 newExp.add( ")" );
1043 exp = newExp;
1044 } else { 1039 } else {
1045 Spaces(); 1040 exp = TermExpr(exp,"div");
1046 exp = exp.single();
1047 Expr exp2 = required(UnaryExpr()).single();
1048 Expr newExp = new Expr(Val.SINGLE,false);
1049 newExp.add( "LuanImpl.div(luan," );
1050 newExp.addAll( exp );
1051 newExp.add( "," );
1052 newExp.addAll( exp2 );
1053 newExp.add( ")" );
1054 exp = newExp;
1055 } 1041 }
1056 } else if( Mod() ) { 1042 } else if( Mod() ) {
1057 Spaces(); 1043 exp = TermExpr(exp,"mod");
1058 exp = exp.single();
1059 Expr exp2 = required(UnaryExpr()).single();
1060 Expr newExp = new Expr(Val.SINGLE,false);
1061 newExp.add( "LuanImpl.mod(luan," );
1062 newExp.addAll( exp );
1063 newExp.add( "," );
1064 newExp.addAll( exp2 );
1065 newExp.add( ")" );
1066 exp = newExp;
1067 } else 1044 } else
1068 break; 1045 break;
1069 } 1046 }
1070 return parser.success(exp); 1047 return parser.success(exp);
1071 } 1048 }