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added functions

This commit is contained in:
User 2017-07-14 18:27:37 +02:00
parent eaf492d1c1
commit 85e5f569b4
19 changed files with 1046 additions and 406 deletions
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15
src/pp/s1184725/boppi/Annotations.java
View File

@ -1,5 +1,7 @@
package pp.s1184725.boppi;
import java.util.Stack;
import org.antlr.v4.runtime.tree.ParseTreeProperty;
import pp.iloc.model.Reg;
@ -14,13 +16,18 @@ public class Annotations {
*/
public ParseTreeProperty<Reg> registers;
/**
* Maps nodes to {@link SimpleType}s.
* Maps nodes to {@link Type}s.
*/
public ParseTreeProperty<SimpleType> types;
public ParseTreeProperty<Type> types;
/**
* Maps nodes to {@link Variable}s.
*/
public ParseTreeProperty<Variable<SimpleType>> variables;
public ParseTreeProperty<Variable<Type>> variables;
/**
* Maps nodes to their function scope.
*/
public ParseTreeProperty<Variable<Type>> function;
public Stack<Variable<Type>> currentFunction;
/**
* Creates a new annotations object with empty maps.
@ -28,6 +35,8 @@ public class Annotations {
public Annotations() {
registers = new ParseTreeProperty<>();
types = new ParseTreeProperty<>();
function = new ParseTreeProperty<>();
variables = new ParseTreeProperty<>();
currentFunction = new Stack<>();
}
}

3
src/pp/s1184725/boppi/Basic.g4
View File

@ -11,6 +11,7 @@ singleExpr
| BRAOPEN expr BRACLOSE #block
| IN PAROPEN variable (LISTDELIM variable)* PARCLOSE #read
| OUT PAROPEN expr (LISTDELIM expr)* PARCLOSE #write
| variable PAROPEN expr (LISTDELIM expr)* PARCLOSE #call
| IFOPEN cond=expr IFTRUE onTrue=expr (IFFALSE onFalse=expr)? IFCLOSE #if
| WHILEOPEN cond=expr WHILETRUE onTrue=expr WHILECLOSE #while
| op=(PLUS|MINUS|NOT) singleExpr #prefix1
@ -20,6 +21,7 @@ singleExpr
| lhs=singleExpr AND rhs=singleExpr #infix4
| lhs=singleExpr OR rhs=singleExpr #infix5
| DECLARE type IDENTIFIER #declare
| FUNCTION result=type name=IDENTIFIER PAROPEN type IDENTIFIER (LISTDELIM type IDENTIFIER)* PARCLOSE body=singleExpr #funcDeclare
| <assoc=right> variable ASSIGN singleExpr #assign
| variable #var
| LITERAL10 #number
@ -60,6 +62,7 @@ AND: '&&';
OR: '||';
DECLARE: 'var';
FUNCTION: 'function';
INTTYPE: 'int';
BOOLTYPE: 'bool';
CHARTYPE: 'char';

46
src/pp/s1184725/boppi/Basic.tokens
View File

@ -26,20 +26,21 @@ GT=25
AND=26
OR=27
DECLARE=28
INTTYPE=29
BOOLTYPE=30
CHARTYPE=31
ASSIGN=32
COMPOUND=33
LISTDELIM=34
CHAR=35
TRUE=36
FALSE=37
IDENTIFIER=38
LITERAL10=39
WHITESPACE=40
LINECOMMENT=41
BLOCKCOMMENT=42
FUNCTION=29
INTTYPE=30
BOOLTYPE=31
CHARTYPE=32
ASSIGN=33
COMPOUND=34
LISTDELIM=35
CHAR=36
TRUE=37
FALSE=38
IDENTIFIER=39
LITERAL10=40
WHITESPACE=41
LINECOMMENT=42
BLOCKCOMMENT=43
'('=1
')'=2
'{'=3
@ -68,11 +69,12 @@ BLOCKCOMMENT=42
'&&'=26
'||'=27
'var'=28
'int'=29
'bool'=30
'char'=31
':='=32
';'=33
','=34
'true'=36
'false'=37
'function'=29
'int'=30
'bool'=31
'char'=32
':='=33
';'=34
','=35
'true'=37
'false'=38

14
src/pp/s1184725/boppi/BasicBaseVisitor.java
View File

@ -102,6 +102,13 @@ public class BasicBaseVisitor<T> extends AbstractParseTreeVisitor<T> implements
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitInfix5(BasicParser.Infix5Context ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitCall(BasicParser.CallContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
@ -109,6 +116,13 @@ public class BasicBaseVisitor<T> extends AbstractParseTreeVisitor<T> implements
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitNumber(BasicParser.NumberContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitFuncDeclare(BasicParser.FuncDeclareContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*

173
src/pp/s1184725/boppi/BasicLexer.java
View File

@ -20,9 +20,10 @@ public class BasicLexer extends Lexer {
PAROPEN=1, PARCLOSE=2, BRAOPEN=3, BRACLOSE=4, IN=5, OUT=6, IFOPEN=7, IFTRUE=8,
IFFALSE=9, IFCLOSE=10, WHILEOPEN=11, WHILETRUE=12, WHILECLOSE=13, PLUS=14,
MINUS=15, NOT=16, MULTIPLY=17, DIVIDE=18, MODULO=19, LEQ=20, GTE=21, NEQ=22,
EQ=23, LT=24, GT=25, AND=26, OR=27, DECLARE=28, INTTYPE=29, BOOLTYPE=30,
CHARTYPE=31, ASSIGN=32, COMPOUND=33, LISTDELIM=34, CHAR=35, TRUE=36, FALSE=37,
IDENTIFIER=38, LITERAL10=39, WHITESPACE=40, LINECOMMENT=41, BLOCKCOMMENT=42;
EQ=23, LT=24, GT=25, AND=26, OR=27, DECLARE=28, FUNCTION=29, INTTYPE=30,
BOOLTYPE=31, CHARTYPE=32, ASSIGN=33, COMPOUND=34, LISTDELIM=35, CHAR=36,
TRUE=37, FALSE=38, IDENTIFIER=39, LITERAL10=40, WHITESPACE=41, LINECOMMENT=42,
BLOCKCOMMENT=43;
public static String[] channelNames = {
"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
};
@ -35,25 +36,25 @@ public class BasicLexer extends Lexer {
"PAROPEN", "PARCLOSE", "BRAOPEN", "BRACLOSE", "IN", "OUT", "IFOPEN", "IFTRUE",
"IFFALSE", "IFCLOSE", "WHILEOPEN", "WHILETRUE", "WHILECLOSE", "PLUS",
"MINUS", "NOT", "MULTIPLY", "DIVIDE", "MODULO", "LEQ", "GTE", "NEQ", "EQ",
"LT", "GT", "AND", "OR", "DECLARE", "INTTYPE", "BOOLTYPE", "CHARTYPE",
"ASSIGN", "COMPOUND", "LISTDELIM", "CHAR", "TRUE", "FALSE", "IDENTIFIER",
"LITERAL10", "WHITESPACE", "LINECOMMENT", "BLOCKCOMMENT"
"LT", "GT", "AND", "OR", "DECLARE", "FUNCTION", "INTTYPE", "BOOLTYPE",
"CHARTYPE", "ASSIGN", "COMPOUND", "LISTDELIM", "CHAR", "TRUE", "FALSE",
"IDENTIFIER", "LITERAL10", "WHITESPACE", "LINECOMMENT", "BLOCKCOMMENT"
};
private static final String[] _LITERAL_NAMES = {
null, "'('", "')'", "'{'", "'}'", "'read'", "'print'", "'if'", "'then'",
"'else'", "'fi'", "'while'", "'do'", "'od'", "'+'", "'-'", "'!'", "'*'",
"'/'", "'%'", "'<='", "'>='", "'<>'", "'=='", "'<'", "'>'", "'&&'", "'||'",
"'var'", "'int'", "'bool'", "'char'", "':='", "';'", "','", null, "'true'",
"'false'"
"'var'", "'function'", "'int'", "'bool'", "'char'", "':='", "';'", "','",
null, "'true'", "'false'"
};
private static final String[] _SYMBOLIC_NAMES = {
null, "PAROPEN", "PARCLOSE", "BRAOPEN", "BRACLOSE", "IN", "OUT", "IFOPEN",
"IFTRUE", "IFFALSE", "IFCLOSE", "WHILEOPEN", "WHILETRUE", "WHILECLOSE",
"PLUS", "MINUS", "NOT", "MULTIPLY", "DIVIDE", "MODULO", "LEQ", "GTE",
"NEQ", "EQ", "LT", "GT", "AND", "OR", "DECLARE", "INTTYPE", "BOOLTYPE",
"CHARTYPE", "ASSIGN", "COMPOUND", "LISTDELIM", "CHAR", "TRUE", "FALSE",
"IDENTIFIER", "LITERAL10", "WHITESPACE", "LINECOMMENT", "BLOCKCOMMENT"
"NEQ", "EQ", "LT", "GT", "AND", "OR", "DECLARE", "FUNCTION", "INTTYPE",
"BOOLTYPE", "CHARTYPE", "ASSIGN", "COMPOUND", "LISTDELIM", "CHAR", "TRUE",
"FALSE", "IDENTIFIER", "LITERAL10", "WHITESPACE", "LINECOMMENT", "BLOCKCOMMENT"
};
public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
@ -113,83 +114,87 @@ public class BasicLexer extends Lexer {
public ATN getATN() { return _ATN; }
public static final String _serializedATN =
"\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\2,\u00fe\b\1\4\2\t"+
"\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\2-\u0109\b\1\4\2\t"+
"\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7\4\b\t\b\4\t\t\t\4\n\t\n\4\13"+
"\t\13\4\f\t\f\4\r\t\r\4\16\t\16\4\17\t\17\4\20\t\20\4\21\t\21\4\22\t\22"+
"\4\23\t\23\4\24\t\24\4\25\t\25\4\26\t\26\4\27\t\27\4\30\t\30\4\31\t\31"+
"\4\32\t\32\4\33\t\33\4\34\t\34\4\35\t\35\4\36\t\36\4\37\t\37\4 \t \4!"+
"\t!\4\"\t\"\4#\t#\4$\t$\4%\t%\4&\t&\4\'\t\'\4(\t(\4)\t)\4*\t*\4+\t+\3"+
"\2\3\2\3\3\3\3\3\4\3\4\3\5\3\5\3\6\3\6\3\6\3\6\3\6\3\7\3\7\3\7\3\7\3\7"+
"\3\7\3\b\3\b\3\b\3\t\3\t\3\t\3\t\3\t\3\n\3\n\3\n\3\n\3\n\3\13\3\13\3\13"+
"\3\f\3\f\3\f\3\f\3\f\3\f\3\r\3\r\3\r\3\16\3\16\3\16\3\17\3\17\3\20\3\20"+
"\3\21\3\21\3\22\3\22\3\23\3\23\3\24\3\24\3\25\3\25\3\25\3\26\3\26\3\26"+
"\3\27\3\27\3\27\3\30\3\30\3\30\3\31\3\31\3\32\3\32\3\33\3\33\3\33\3\34"+
"\3\34\3\34\3\35\3\35\3\35\3\35\3\36\3\36\3\36\3\36\3\37\3\37\3\37\3\37"+
"\3\37\3 \3 \3 \3 \3 \3!\3!\3!\3\"\3\"\3#\3#\3$\3$\3$\3$\3%\3%\3%\3%\3"+
"%\3&\3&\3&\3&\3&\3&\3\'\3\'\7\'\u00d3\n\'\f\'\16\'\u00d6\13\'\3(\3(\3"+
"(\7(\u00db\n(\f(\16(\u00de\13(\5(\u00e0\n(\3)\3)\3)\3)\3*\3*\3*\3*\7*"+
"\u00ea\n*\f*\16*\u00ed\13*\3*\3*\3+\3+\3+\3+\7+\u00f5\n+\f+\16+\u00f8"+
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"\25\f\27\r\31\16\33\17\35\20\37\21!\22#\23%\24\'\25)\26+\27-\30/\31\61"+
"\32\63\33\65\34\67\359\36;\37= ?!A\"C#E$G%I&K\'M(O)Q*S+U,\3\2\b\5\2C\\"+
"aac|\6\2\62;C\\aac|\3\2\63;\3\2\62;\5\2\13\f\17\17\"\"\4\2\f\f\17\17\2"+
"\u0102\2\3\3\2\2\2\2\5\3\2\2\2\2\7\3\2\2\2\2\t\3\2\2\2\2\13\3\2\2\2\2"+
"\r\3\2\2\2\2\17\3\2\2\2\2\21\3\2\2\2\2\23\3\2\2\2\2\25\3\2\2\2\2\27\3"+
"\2\2\2\2\31\3\2\2\2\2\33\3\2\2\2\2\35\3\2\2\2\2\37\3\2\2\2\2!\3\2\2\2"+
"\2#\3\2\2\2\2%\3\2\2\2\2\'\3\2\2\2\2)\3\2\2\2\2+\3\2\2\2\2-\3\2\2\2\2"+
"/\3\2\2\2\2\61\3\2\2\2\2\63\3\2\2\2\2\65\3\2\2\2\2\67\3\2\2\2\29\3\2\2"+
"\2\2;\3\2\2\2\2=\3\2\2\2\2?\3\2\2\2\2A\3\2\2\2\2C\3\2\2\2\2E\3\2\2\2\2"+
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"\2\2\2\2U\3\2\2\2\3W\3\2\2\2\5Y\3\2\2\2\7[\3\2\2\2\t]\3\2\2\2\13_\3\2"+
"\2\2\rd\3\2\2\2\17j\3\2\2\2\21m\3\2\2\2\23r\3\2\2\2\25w\3\2\2\2\27z\3"+
"\2\2\2\31\u0080\3\2\2\2\33\u0083\3\2\2\2\35\u0086\3\2\2\2\37\u0088\3\2"+
"\2\2!\u008a\3\2\2\2#\u008c\3\2\2\2%\u008e\3\2\2\2\'\u0090\3\2\2\2)\u0092"+
"\3\2\2\2+\u0095\3\2\2\2-\u0098\3\2\2\2/\u009b\3\2\2\2\61\u009e\3\2\2\2"+
"\63\u00a0\3\2\2\2\65\u00a2\3\2\2\2\67\u00a5\3\2\2\29\u00a8\3\2\2\2;\u00ac"+
"\3\2\2\2=\u00b0\3\2\2\2?\u00b5\3\2\2\2A\u00ba\3\2\2\2C\u00bd\3\2\2\2E"+
"\u00bf\3\2\2\2G\u00c1\3\2\2\2I\u00c5\3\2\2\2K\u00ca\3\2\2\2M\u00d0\3\2"+
"\2\2O\u00df\3\2\2\2Q\u00e1\3\2\2\2S\u00e5\3\2\2\2U\u00f0\3\2\2\2WX\7*"+
"\2\2X\4\3\2\2\2YZ\7+\2\2Z\6\3\2\2\2[\\\7}\2\2\\\b\3\2\2\2]^\7\177\2\2"+
"^\n\3\2\2\2_`\7t\2\2`a\7g\2\2ab\7c\2\2bc\7f\2\2c\f\3\2\2\2de\7r\2\2ef"+
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"f\2\2\u0081\u0082\7q\2\2\u0082\32\3\2\2\2\u0083\u0084\7q\2\2\u0084\u0085"+
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"\7/\2\2\u0089 \3\2\2\2\u008a\u008b\7#\2\2\u008b\"\3\2\2\2\u008c\u008d"+
"\7,\2\2\u008d$\3\2\2\2\u008e\u008f\7\61\2\2\u008f&\3\2\2\2\u0090\u0091"+
"\7\'\2\2\u0091(\3\2\2\2\u0092\u0093\7>\2\2\u0093\u0094\7?\2\2\u0094*\3"+
"\2\2\2\u0095\u0096\7@\2\2\u0096\u0097\7?\2\2\u0097,\3\2\2\2\u0098\u0099"+
"\7>\2\2\u0099\u009a\7@\2\2\u009a.\3\2\2\2\u009b\u009c\7?\2\2\u009c\u009d"+
"\7?\2\2\u009d\60\3\2\2\2\u009e\u009f\7>\2\2\u009f\62\3\2\2\2\u00a0\u00a1"+
"\7@\2\2\u00a1\64\3\2\2\2\u00a2\u00a3\7(\2\2\u00a3\u00a4\7(\2\2\u00a4\66"+
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"\b\2\u00d4\u00dc\u00df\u00eb\u00f6\3\b\2\2";
"\t!\4\"\t\"\4#\t#\4$\t$\4%\t%\4&\t&\4\'\t\'\4(\t(\4)\t)\4*\t*\4+\t+\4"+
",\t,\3\2\3\2\3\3\3\3\3\4\3\4\3\5\3\5\3\6\3\6\3\6\3\6\3\6\3\7\3\7\3\7\3"+
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"\3\20\3\20\3\21\3\21\3\22\3\22\3\23\3\23\3\24\3\24\3\25\3\25\3\25\3\26"+
"\3\26\3\26\3\27\3\27\3\27\3\30\3\30\3\30\3\31\3\31\3\32\3\32\3\33\3\33"+
"\3\33\3\34\3\34\3\34\3\35\3\35\3\35\3\35\3\36\3\36\3\36\3\36\3\36\3\36"+
"\3\36\3\36\3\36\3\37\3\37\3\37\3\37\3 \3 \3 \3 \3 \3!\3!\3!\3!\3!\3\""+
"\3\"\3\"\3#\3#\3$\3$\3%\3%\3%\3%\3&\3&\3&\3&\3&\3\'\3\'\3\'\3\'\3\'\3"+
"\'\3(\3(\7(\u00de\n(\f(\16(\u00e1\13(\3)\3)\3)\7)\u00e6\n)\f)\16)\u00e9"+
"\13)\5)\u00eb\n)\3*\3*\3*\3*\3+\3+\3+\3+\7+\u00f5\n+\f+\16+\u00f8\13+"+
"\3+\3+\3,\3,\3,\3,\7,\u0100\n,\f,\16,\u0103\13,\3,\3,\3,\3,\3,\3\u0101"+
"\2-\3\3\5\4\7\5\t\6\13\7\r\b\17\t\21\n\23\13\25\f\27\r\31\16\33\17\35"+
"\20\37\21!\22#\23%\24\'\25)\26+\27-\30/\31\61\32\63\33\65\34\67\359\36"+
";\37= ?!A\"C#E$G%I&K\'M(O)Q*S+U,W-\3\2\b\5\2C\\aac|\6\2\62;C\\aac|\3\2"+
"\63;\3\2\62;\5\2\13\f\17\17\"\"\4\2\f\f\17\17\2\u010d\2\3\3\2\2\2\2\5"+
"\3\2\2\2\2\7\3\2\2\2\2\t\3\2\2\2\2\13\3\2\2\2\2\r\3\2\2\2\2\17\3\2\2\2"+
"\2\21\3\2\2\2\2\23\3\2\2\2\2\25\3\2\2\2\2\27\3\2\2\2\2\31\3\2\2\2\2\33"+
"\3\2\2\2\2\35\3\2\2\2\2\37\3\2\2\2\2!\3\2\2\2\2#\3\2\2\2\2%\3\2\2\2\2"+
"\'\3\2\2\2\2)\3\2\2\2\2+\3\2\2\2\2-\3\2\2\2\2/\3\2\2\2\2\61\3\2\2\2\2"+
"\63\3\2\2\2\2\65\3\2\2\2\2\67\3\2\2\2\29\3\2\2\2\2;\3\2\2\2\2=\3\2\2\2"+
"\2?\3\2\2\2\2A\3\2\2\2\2C\3\2\2\2\2E\3\2\2\2\2G\3\2\2\2\2I\3\2\2\2\2K"+
"\3\2\2\2\2M\3\2\2\2\2O\3\2\2\2\2Q\3\2\2\2\2S\3\2\2\2\2U\3\2\2\2\2W\3\2"+
"\2\2\3Y\3\2\2\2\5[\3\2\2\2\7]\3\2\2\2\t_\3\2\2\2\13a\3\2\2\2\rf\3\2\2"+
"\2\17l\3\2\2\2\21o\3\2\2\2\23t\3\2\2\2\25y\3\2\2\2\27|\3\2\2\2\31\u0082"+
"\3\2\2\2\33\u0085\3\2\2\2\35\u0088\3\2\2\2\37\u008a\3\2\2\2!\u008c\3\2"+
"\2\2#\u008e\3\2\2\2%\u0090\3\2\2\2\'\u0092\3\2\2\2)\u0094\3\2\2\2+\u0097"+
"\3\2\2\2-\u009a\3\2\2\2/\u009d\3\2\2\2\61\u00a0\3\2\2\2\63\u00a2\3\2\2"+
"\2\65\u00a4\3\2\2\2\67\u00a7\3\2\2\29\u00aa\3\2\2\2;\u00ae\3\2\2\2=\u00b7"+
"\3\2\2\2?\u00bb\3\2\2\2A\u00c0\3\2\2\2C\u00c5\3\2\2\2E\u00c8\3\2\2\2G"+
"\u00ca\3\2\2\2I\u00cc\3\2\2\2K\u00d0\3\2\2\2M\u00d5\3\2\2\2O\u00db\3\2"+
"\2\2Q\u00ea\3\2\2\2S\u00ec\3\2\2\2U\u00f0\3\2\2\2W\u00fb\3\2\2\2YZ\7*"+
"\2\2Z\4\3\2\2\2[\\\7+\2\2\\\6\3\2\2\2]^\7}\2\2^\b\3\2\2\2_`\7\177\2\2"+
"`\n\3\2\2\2ab\7t\2\2bc\7g\2\2cd\7c\2\2de\7f\2\2e\f\3\2\2\2fg\7r\2\2gh"+
"\7t\2\2hi\7k\2\2ij\7p\2\2jk\7v\2\2k\16\3\2\2\2lm\7k\2\2mn\7h\2\2n\20\3"+
"\2\2\2op\7v\2\2pq\7j\2\2qr\7g\2\2rs\7p\2\2s\22\3\2\2\2tu\7g\2\2uv\7n\2"+
"\2vw\7u\2\2wx\7g\2\2x\24\3\2\2\2yz\7h\2\2z{\7k\2\2{\26\3\2\2\2|}\7y\2"+
"\2}~\7j\2\2~\177\7k\2\2\177\u0080\7n\2\2\u0080\u0081\7g\2\2\u0081\30\3"+
"\2\2\2\u0082\u0083\7f\2\2\u0083\u0084\7q\2\2\u0084\32\3\2\2\2\u0085\u0086"+
"\7q\2\2\u0086\u0087\7f\2\2\u0087\34\3\2\2\2\u0088\u0089\7-\2\2\u0089\36"+
"\3\2\2\2\u008a\u008b\7/\2\2\u008b \3\2\2\2\u008c\u008d\7#\2\2\u008d\""+
"\3\2\2\2\u008e\u008f\7,\2\2\u008f$\3\2\2\2\u0090\u0091\7\61\2\2\u0091"+
"&\3\2\2\2\u0092\u0093\7\'\2\2\u0093(\3\2\2\2\u0094\u0095\7>\2\2\u0095"+
"\u0096\7?\2\2\u0096*\3\2\2\2\u0097\u0098\7@\2\2\u0098\u0099\7?\2\2\u0099"+
",\3\2\2\2\u009a\u009b\7>\2\2\u009b\u009c\7@\2\2\u009c.\3\2\2\2\u009d\u009e"+
"\7?\2\2\u009e\u009f\7?\2\2\u009f\60\3\2\2\2\u00a0\u00a1\7>\2\2\u00a1\62"+
"\3\2\2\2\u00a2\u00a3\7@\2\2\u00a3\64\3\2\2\2\u00a4\u00a5\7(\2\2\u00a5"+
"\u00a6\7(\2\2\u00a6\66\3\2\2\2\u00a7\u00a8\7~\2\2\u00a8\u00a9\7~\2\2\u00a9"+
"8\3\2\2\2\u00aa\u00ab\7x\2\2\u00ab\u00ac\7c\2\2\u00ac\u00ad\7t\2\2\u00ad"+
":\3\2\2\2\u00ae\u00af\7h\2\2\u00af\u00b0\7w\2\2\u00b0\u00b1\7p\2\2\u00b1"+
"\u00b2\7e\2\2\u00b2\u00b3\7v\2\2\u00b3\u00b4\7k\2\2\u00b4\u00b5\7q\2\2"+
"\u00b5\u00b6\7p\2\2\u00b6<\3\2\2\2\u00b7\u00b8\7k\2\2\u00b8\u00b9\7p\2"+
"\2\u00b9\u00ba\7v\2\2\u00ba>\3\2\2\2\u00bb\u00bc\7d\2\2\u00bc\u00bd\7"+
"q\2\2\u00bd\u00be\7q\2\2\u00be\u00bf\7n\2\2\u00bf@\3\2\2\2\u00c0\u00c1"+
"\7e\2\2\u00c1\u00c2\7j\2\2\u00c2\u00c3\7c\2\2\u00c3\u00c4\7t\2\2\u00c4"+
"B\3\2\2\2\u00c5\u00c6\7<\2\2\u00c6\u00c7\7?\2\2\u00c7D\3\2\2\2\u00c8\u00c9"+
"\7=\2\2\u00c9F\3\2\2\2\u00ca\u00cb\7.\2\2\u00cbH\3\2\2\2\u00cc\u00cd\7"+
")\2\2\u00cd\u00ce\13\2\2\2\u00ce\u00cf\7)\2\2\u00cfJ\3\2\2\2\u00d0\u00d1"+
"\7v\2\2\u00d1\u00d2\7t\2\2\u00d2\u00d3\7w\2\2\u00d3\u00d4\7g\2\2\u00d4"+
"L\3\2\2\2\u00d5\u00d6\7h\2\2\u00d6\u00d7\7c\2\2\u00d7\u00d8\7n\2\2\u00d8"+
"\u00d9\7u\2\2\u00d9\u00da\7g\2\2\u00daN\3\2\2\2\u00db\u00df\t\2\2\2\u00dc"+
"\u00de\t\3\2\2\u00dd\u00dc\3\2\2\2\u00de\u00e1\3\2\2\2\u00df\u00dd\3\2"+
"\2\2\u00df\u00e0\3\2\2\2\u00e0P\3\2\2\2\u00e1\u00df\3\2\2\2\u00e2\u00eb"+
"\7\62\2\2\u00e3\u00e7\t\4\2\2\u00e4\u00e6\t\5\2\2\u00e5\u00e4\3\2\2\2"+
"\u00e6\u00e9\3\2\2\2\u00e7\u00e5\3\2\2\2\u00e7\u00e8\3\2\2\2\u00e8\u00eb"+
"\3\2\2\2\u00e9\u00e7\3\2\2\2\u00ea\u00e2\3\2\2\2\u00ea\u00e3\3\2\2\2\u00eb"+
"R\3\2\2\2\u00ec\u00ed\t\6\2\2\u00ed\u00ee\3\2\2\2\u00ee\u00ef\b*\2\2\u00ef"+
"T\3\2\2\2\u00f0\u00f1\7\61\2\2\u00f1\u00f2\7\61\2\2\u00f2\u00f6\3\2\2"+
"\2\u00f3\u00f5\n\7\2\2\u00f4\u00f3\3\2\2\2\u00f5\u00f8\3\2\2\2\u00f6\u00f4"+
"\3\2\2\2\u00f6\u00f7\3\2\2\2\u00f7\u00f9\3\2\2\2\u00f8\u00f6\3\2\2\2\u00f9"+
"\u00fa\b+\2\2\u00faV\3\2\2\2\u00fb\u00fc\7\61\2\2\u00fc\u00fd\7,\2\2\u00fd"+
"\u0101\3\2\2\2\u00fe\u0100\13\2\2\2\u00ff\u00fe\3\2\2\2\u0100\u0103\3"+
"\2\2\2\u0101\u0102\3\2\2\2\u0101\u00ff\3\2\2\2\u0102\u0104\3\2\2\2\u0103"+
"\u0101\3\2\2\2\u0104\u0105\7,\2\2\u0105\u0106\7\61\2\2\u0106\u0107\3\2"+
"\2\2\u0107\u0108\b,\2\2\u0108X\3\2\2\2\b\2\u00df\u00e7\u00ea\u00f6\u0101"+
"\3\b\2\2";
public static final ATN _ATN =
new ATNDeserializer().deserialize(_serializedATN.toCharArray());
static {

46
src/pp/s1184725/boppi/BasicLexer.tokens
View File

@ -26,20 +26,21 @@ GT=25
AND=26
OR=27
DECLARE=28
INTTYPE=29
BOOLTYPE=30
CHARTYPE=31
ASSIGN=32
COMPOUND=33
LISTDELIM=34
CHAR=35
TRUE=36
FALSE=37
IDENTIFIER=38
LITERAL10=39
WHITESPACE=40
LINECOMMENT=41
BLOCKCOMMENT=42
FUNCTION=29
INTTYPE=30
BOOLTYPE=31
CHARTYPE=32
ASSIGN=33
COMPOUND=34
LISTDELIM=35
CHAR=36
TRUE=37
FALSE=38
IDENTIFIER=39
LITERAL10=40
WHITESPACE=41
LINECOMMENT=42
BLOCKCOMMENT=43
'('=1
')'=2
'{'=3
@ -68,11 +69,12 @@ BLOCKCOMMENT=42
'&&'=26
'||'=27
'var'=28
'int'=29
'bool'=30
'char'=31
':='=32
';'=33
','=34
'true'=36
'false'=37
'function'=29
'int'=30
'bool'=31
'char'=32
':='=33
';'=34
','=35
'true'=37
'false'=38

409
src/pp/s1184725/boppi/BasicParser.java
View File

@ -20,9 +20,10 @@ public class BasicParser extends Parser {
PAROPEN=1, PARCLOSE=2, BRAOPEN=3, BRACLOSE=4, IN=5, OUT=6, IFOPEN=7, IFTRUE=8,
IFFALSE=9, IFCLOSE=10, WHILEOPEN=11, WHILETRUE=12, WHILECLOSE=13, PLUS=14,
MINUS=15, NOT=16, MULTIPLY=17, DIVIDE=18, MODULO=19, LEQ=20, GTE=21, NEQ=22,
EQ=23, LT=24, GT=25, AND=26, OR=27, DECLARE=28, INTTYPE=29, BOOLTYPE=30,
CHARTYPE=31, ASSIGN=32, COMPOUND=33, LISTDELIM=34, CHAR=35, TRUE=36, FALSE=37,
IDENTIFIER=38, LITERAL10=39, WHITESPACE=40, LINECOMMENT=41, BLOCKCOMMENT=42;
EQ=23, LT=24, GT=25, AND=26, OR=27, DECLARE=28, FUNCTION=29, INTTYPE=30,
BOOLTYPE=31, CHARTYPE=32, ASSIGN=33, COMPOUND=34, LISTDELIM=35, CHAR=36,
TRUE=37, FALSE=38, IDENTIFIER=39, LITERAL10=40, WHITESPACE=41, LINECOMMENT=42,
BLOCKCOMMENT=43;
public static final int
RULE_program = 0, RULE_expr = 1, RULE_singleExpr = 2, RULE_type = 3, RULE_variable = 4;
public static final String[] ruleNames = {
@ -33,16 +34,16 @@ public class BasicParser extends Parser {
null, "'('", "')'", "'{'", "'}'", "'read'", "'print'", "'if'", "'then'",
"'else'", "'fi'", "'while'", "'do'", "'od'", "'+'", "'-'", "'!'", "'*'",
"'/'", "'%'", "'<='", "'>='", "'<>'", "'=='", "'<'", "'>'", "'&&'", "'||'",
"'var'", "'int'", "'bool'", "'char'", "':='", "';'", "','", null, "'true'",
"'false'"
"'var'", "'function'", "'int'", "'bool'", "'char'", "':='", "';'", "','",
null, "'true'", "'false'"
};
private static final String[] _SYMBOLIC_NAMES = {
null, "PAROPEN", "PARCLOSE", "BRAOPEN", "BRACLOSE", "IN", "OUT", "IFOPEN",
"IFTRUE", "IFFALSE", "IFCLOSE", "WHILEOPEN", "WHILETRUE", "WHILECLOSE",
"PLUS", "MINUS", "NOT", "MULTIPLY", "DIVIDE", "MODULO", "LEQ", "GTE",
"NEQ", "EQ", "LT", "GT", "AND", "OR", "DECLARE", "INTTYPE", "BOOLTYPE",
"CHARTYPE", "ASSIGN", "COMPOUND", "LISTDELIM", "CHAR", "TRUE", "FALSE",
"IDENTIFIER", "LITERAL10", "WHITESPACE", "LINECOMMENT", "BLOCKCOMMENT"
"NEQ", "EQ", "LT", "GT", "AND", "OR", "DECLARE", "FUNCTION", "INTTYPE",
"BOOLTYPE", "CHARTYPE", "ASSIGN", "COMPOUND", "LISTDELIM", "CHAR", "TRUE",
"FALSE", "IDENTIFIER", "LITERAL10", "WHITESPACE", "LINECOMMENT", "BLOCKCOMMENT"
};
public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
@ -174,7 +175,7 @@ public class BasicParser extends Parser {
setState(16);
_errHandler.sync(this);
_la = _input.LA(1);
if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << PAROPEN) | (1L << BRAOPEN) | (1L << IN) | (1L << OUT) | (1L << IFOPEN) | (1L << WHILEOPEN) | (1L << PLUS) | (1L << MINUS) | (1L << NOT) | (1L << DECLARE) | (1L << CHAR) | (1L << TRUE) | (1L << FALSE) | (1L << IDENTIFIER) | (1L << LITERAL10))) != 0)) {
if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << PAROPEN) | (1L << BRAOPEN) | (1L << IN) | (1L << OUT) | (1L << IFOPEN) | (1L << WHILEOPEN) | (1L << PLUS) | (1L << MINUS) | (1L << NOT) | (1L << DECLARE) | (1L << FUNCTION) | (1L << CHAR) | (1L << TRUE) | (1L << FALSE) | (1L << IDENTIFIER) | (1L << LITERAL10))) != 0)) {
{
setState(15);
singleExpr(0);
@ -394,6 +395,29 @@ public class BasicParser extends Parser {
else return visitor.visitChildren(this);
}
}
public static class CallContext extends SingleExprContext {
public VariableContext variable() {
return getRuleContext(VariableContext.class,0);
}
public TerminalNode PAROPEN() { return getToken(BasicParser.PAROPEN, 0); }
public List<ExprContext> expr() {
return getRuleContexts(ExprContext.class);
}
public ExprContext expr(int i) {
return getRuleContext(ExprContext.class,i);
}
public TerminalNode PARCLOSE() { return getToken(BasicParser.PARCLOSE, 0); }
public List<TerminalNode> LISTDELIM() { return getTokens(BasicParser.LISTDELIM); }
public TerminalNode LISTDELIM(int i) {
return getToken(BasicParser.LISTDELIM, i);
}
public CallContext(SingleExprContext ctx) { copyFrom(ctx); }
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof BasicVisitor ) return ((BasicVisitor<? extends T>)visitor).visitCall(this);
else return visitor.visitChildren(this);
}
}
public static class NumberContext extends SingleExprContext {
public TerminalNode LITERAL10() { return getToken(BasicParser.LITERAL10, 0); }
public NumberContext(SingleExprContext ctx) { copyFrom(ctx); }
@ -403,6 +427,37 @@ public class BasicParser extends Parser {
else return visitor.visitChildren(this);
}
}
public static class FuncDeclareContext extends SingleExprContext {
public TypeContext result;
public Token name;
public SingleExprContext body;
public TerminalNode FUNCTION() { return getToken(BasicParser.FUNCTION, 0); }
public TerminalNode PAROPEN() { return getToken(BasicParser.PAROPEN, 0); }
public List<TypeContext> type() {
return getRuleContexts(TypeContext.class);
}
public TypeContext type(int i) {
return getRuleContext(TypeContext.class,i);
}
public List<TerminalNode> IDENTIFIER() { return getTokens(BasicParser.IDENTIFIER); }
public TerminalNode IDENTIFIER(int i) {
return getToken(BasicParser.IDENTIFIER, i);
}
public TerminalNode PARCLOSE() { return getToken(BasicParser.PARCLOSE, 0); }
public SingleExprContext singleExpr() {
return getRuleContext(SingleExprContext.class,0);
}
public List<TerminalNode> LISTDELIM() { return getTokens(BasicParser.LISTDELIM); }
public TerminalNode LISTDELIM(int i) {
return getToken(BasicParser.LISTDELIM, i);
}
public FuncDeclareContext(SingleExprContext ctx) { copyFrom(ctx); }
@Override
public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
if ( visitor instanceof BasicVisitor ) return ((BasicVisitor<? extends T>)visitor).visitFuncDeclare(this);
else return visitor.visitChildren(this);
}
}
public static class CharContext extends SingleExprContext {
public TerminalNode CHAR() { return getToken(BasicParser.CHAR, 0); }
public CharContext(SingleExprContext ctx) { copyFrom(ctx); }
@ -514,9 +569,9 @@ public class BasicParser extends Parser {
int _alt;
enterOuterAlt(_localctx, 1);
{
setState(86);
setState(116);
_errHandler.sync(this);
switch ( getInterpreter().adaptivePredict(_input,5,_ctx) ) {
switch ( getInterpreter().adaptivePredict(_input,7,_ctx) ) {
case 1:
{
_localctx = new ParensContext(_localctx);
@ -608,56 +663,87 @@ public class BasicParser extends Parser {
break;
case 5:
{
_localctx = new IfContext(_localctx);
_localctx = new CallContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(56);
match(IFOPEN);
variable();
setState(57);
((IfContext)_localctx).cond = expr();
match(PAROPEN);
setState(58);
match(IFTRUE);
setState(59);
((IfContext)_localctx).onTrue = expr();
setState(62);
expr();
setState(63);
_errHandler.sync(this);
_la = _input.LA(1);
if (_la==IFFALSE) {
while (_la==LISTDELIM) {
{
{
setState(59);
match(LISTDELIM);
setState(60);
match(IFFALSE);
setState(61);
((IfContext)_localctx).onFalse = expr();
expr();
}
}
setState(65);
_errHandler.sync(this);
_la = _input.LA(1);
}
setState(64);
match(IFCLOSE);
setState(66);
match(PARCLOSE);
}
break;
case 6:
{
_localctx = new WhileContext(_localctx);
_localctx = new IfContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(66);
match(WHILEOPEN);
setState(67);
((WhileContext)_localctx).cond = expr();
setState(68);
match(WHILETRUE);
match(IFOPEN);
setState(69);
((WhileContext)_localctx).onTrue = expr();
((IfContext)_localctx).cond = expr();
setState(70);
match(WHILECLOSE);
match(IFTRUE);
setState(71);
((IfContext)_localctx).onTrue = expr();
setState(74);
_errHandler.sync(this);
_la = _input.LA(1);
if (_la==IFFALSE) {
{
setState(72);
match(IFFALSE);
setState(73);
((IfContext)_localctx).onFalse = expr();
}
}
setState(76);
match(IFCLOSE);
}
break;
case 7:
{
_localctx = new WhileContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(78);
match(WHILEOPEN);
setState(79);
((WhileContext)_localctx).cond = expr();
setState(80);
match(WHILETRUE);
setState(81);
((WhileContext)_localctx).onTrue = expr();
setState(82);
match(WHILECLOSE);
}
break;
case 8:
{
_localctx = new Prefix1Context(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(72);
setState(84);
((Prefix1Context)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << PLUS) | (1L << MINUS) | (1L << NOT))) != 0)) ) {
@ -668,69 +754,110 @@ public class BasicParser extends Parser {
_errHandler.reportMatch(this);
consume();
}
setState(73);
singleExpr(12);
}
break;
case 8:
{
_localctx = new DeclareContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(74);
match(DECLARE);
setState(75);
type();
setState(76);
match(IDENTIFIER);
setState(85);
singleExpr(13);
}
break;
case 9:
{
_localctx = new AssignContext(_localctx);
_localctx = new DeclareContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(78);
variable();
setState(79);
match(ASSIGN);
setState(80);
singleExpr(5);
setState(86);
match(DECLARE);
setState(87);
type();
setState(88);
match(IDENTIFIER);
}
break;
case 10:
{
_localctx = new VarContext(_localctx);
_localctx = new FuncDeclareContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(82);
variable();
setState(90);
match(FUNCTION);
setState(91);
((FuncDeclareContext)_localctx).result = type();
setState(92);
((FuncDeclareContext)_localctx).name = match(IDENTIFIER);
setState(93);
match(PAROPEN);
setState(94);
type();
setState(95);
match(IDENTIFIER);
setState(102);
_errHandler.sync(this);
_la = _input.LA(1);
while (_la==LISTDELIM) {
{
{
setState(96);
match(LISTDELIM);
setState(97);
type();
setState(98);
match(IDENTIFIER);
}
}
setState(104);
_errHandler.sync(this);
_la = _input.LA(1);
}
setState(105);
match(PARCLOSE);
setState(106);
((FuncDeclareContext)_localctx).body = singleExpr(6);
}
break;
case 11:
{
_localctx = new NumberContext(_localctx);
_localctx = new AssignContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(83);
match(LITERAL10);
setState(108);
variable();
setState(109);
match(ASSIGN);
setState(110);
singleExpr(5);
}
break;
case 12:
{
_localctx = new CharContext(_localctx);
_localctx = new VarContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(84);
match(CHAR);
setState(112);
variable();
}
break;
case 13:
{
_localctx = new NumberContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(113);
match(LITERAL10);
}
break;
case 14:
{
_localctx = new CharContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(114);
match(CHAR);
}
break;
case 15:
{
_localctx = new BoolContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
setState(85);
setState(115);
_la = _input.LA(1);
if ( !(_la==TRUE || _la==FALSE) ) {
_errHandler.recoverInline(this);
@ -744,25 +871,25 @@ public class BasicParser extends Parser {
break;
}
_ctx.stop = _input.LT(-1);
setState(105);
setState(135);
_errHandler.sync(this);
_alt = getInterpreter().adaptivePredict(_input,7,_ctx);
_alt = getInterpreter().adaptivePredict(_input,9,_ctx);
while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
if ( _alt==1 ) {
if ( _parseListeners!=null ) triggerExitRuleEvent();
_prevctx = _localctx;
{
setState(103);
setState(133);
_errHandler.sync(this);
switch ( getInterpreter().adaptivePredict(_input,6,_ctx) ) {
switch ( getInterpreter().adaptivePredict(_input,8,_ctx) ) {
case 1:
{
_localctx = new Infix1Context(new SingleExprContext(_parentctx, _parentState));
((Infix1Context)_localctx).lhs = _prevctx;
pushNewRecursionContext(_localctx, _startState, RULE_singleExpr);
setState(88);
if (!(precpred(_ctx, 11))) throw new FailedPredicateException(this, "precpred(_ctx, 11)");
setState(89);
setState(118);
if (!(precpred(_ctx, 12))) throw new FailedPredicateException(this, "precpred(_ctx, 12)");
setState(119);
((Infix1Context)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << MULTIPLY) | (1L << DIVIDE) | (1L << MODULO))) != 0)) ) {
@ -773,8 +900,8 @@ public class BasicParser extends Parser {
_errHandler.reportMatch(this);
consume();
}
setState(90);
((Infix1Context)_localctx).rhs = singleExpr(12);
setState(120);
((Infix1Context)_localctx).rhs = singleExpr(13);
}
break;
case 2:
@ -782,9 +909,9 @@ public class BasicParser extends Parser {
_localctx = new Infix2Context(new SingleExprContext(_parentctx, _parentState));
((Infix2Context)_localctx).lhs = _prevctx;
pushNewRecursionContext(_localctx, _startState, RULE_singleExpr);
setState(91);
if (!(precpred(_ctx, 10))) throw new FailedPredicateException(this, "precpred(_ctx, 10)");
setState(92);
setState(121);
if (!(precpred(_ctx, 11))) throw new FailedPredicateException(this, "precpred(_ctx, 11)");
setState(122);
((Infix2Context)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !(_la==PLUS || _la==MINUS) ) {
@ -795,8 +922,8 @@ public class BasicParser extends Parser {
_errHandler.reportMatch(this);
consume();
}
setState(93);
((Infix2Context)_localctx).rhs = singleExpr(11);
setState(123);
((Infix2Context)_localctx).rhs = singleExpr(12);
}
break;
case 3:
@ -804,9 +931,9 @@ public class BasicParser extends Parser {
_localctx = new Infix3Context(new SingleExprContext(_parentctx, _parentState));
((Infix3Context)_localctx).lhs = _prevctx;
pushNewRecursionContext(_localctx, _startState, RULE_singleExpr);
setState(94);
if (!(precpred(_ctx, 9))) throw new FailedPredicateException(this, "precpred(_ctx, 9)");
setState(95);
setState(124);
if (!(precpred(_ctx, 10))) throw new FailedPredicateException(this, "precpred(_ctx, 10)");
setState(125);
((Infix3Context)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << LEQ) | (1L << GTE) | (1L << NEQ) | (1L << EQ) | (1L << LT) | (1L << GT))) != 0)) ) {
@ -817,8 +944,8 @@ public class BasicParser extends Parser {
_errHandler.reportMatch(this);
consume();
}
setState(96);
((Infix3Context)_localctx).rhs = singleExpr(10);
setState(126);
((Infix3Context)_localctx).rhs = singleExpr(11);
}
break;
case 4:
@ -826,12 +953,12 @@ public class BasicParser extends Parser {
_localctx = new Infix4Context(new SingleExprContext(_parentctx, _parentState));
((Infix4Context)_localctx).lhs = _prevctx;
pushNewRecursionContext(_localctx, _startState, RULE_singleExpr);
setState(97);
if (!(precpred(_ctx, 8))) throw new FailedPredicateException(this, "precpred(_ctx, 8)");
setState(98);
setState(127);
if (!(precpred(_ctx, 9))) throw new FailedPredicateException(this, "precpred(_ctx, 9)");
setState(128);
match(AND);
setState(99);
((Infix4Context)_localctx).rhs = singleExpr(9);
setState(129);
((Infix4Context)_localctx).rhs = singleExpr(10);
}
break;
case 5:
@ -839,20 +966,20 @@ public class BasicParser extends Parser {
_localctx = new Infix5Context(new SingleExprContext(_parentctx, _parentState));
((Infix5Context)_localctx).lhs = _prevctx;
pushNewRecursionContext(_localctx, _startState, RULE_singleExpr);
setState(100);
if (!(precpred(_ctx, 7))) throw new FailedPredicateException(this, "precpred(_ctx, 7)");
setState(101);
setState(130);
if (!(precpred(_ctx, 8))) throw new FailedPredicateException(this, "precpred(_ctx, 8)");
setState(131);
match(OR);
setState(102);
((Infix5Context)_localctx).rhs = singleExpr(8);
setState(132);
((Infix5Context)_localctx).rhs = singleExpr(9);
}
break;
}
}
}
setState(107);
setState(137);
_errHandler.sync(this);
_alt = getInterpreter().adaptivePredict(_input,7,_ctx);
_alt = getInterpreter().adaptivePredict(_input,9,_ctx);
}
}
}
@ -891,7 +1018,7 @@ public class BasicParser extends Parser {
enterRule(_localctx, 6, RULE_type);
int _la;
try {
setState(110);
setState(140);
_errHandler.sync(this);
switch (_input.LA(1)) {
case INTTYPE:
@ -899,7 +1026,7 @@ public class BasicParser extends Parser {
case CHARTYPE:
enterOuterAlt(_localctx, 1);
{
setState(108);
setState(138);
((TypeContext)_localctx).staticType = _input.LT(1);
_la = _input.LA(1);
if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << INTTYPE) | (1L << BOOLTYPE) | (1L << CHARTYPE))) != 0)) ) {
@ -915,7 +1042,7 @@ public class BasicParser extends Parser {
case IDENTIFIER:
enterOuterAlt(_localctx, 2);
{
setState(109);
setState(139);
variable();
}
break;
@ -953,7 +1080,7 @@ public class BasicParser extends Parser {
try {
enterOuterAlt(_localctx, 1);
{
setState(112);
setState(142);
match(IDENTIFIER);
}
}
@ -978,51 +1105,61 @@ public class BasicParser extends Parser {
private boolean singleExpr_sempred(SingleExprContext _localctx, int predIndex) {
switch (predIndex) {
case 0:
return precpred(_ctx, 11);
return precpred(_ctx, 12);
case 1:
return precpred(_ctx, 10);
return precpred(_ctx, 11);
case 2:
return precpred(_ctx, 9);
return precpred(_ctx, 10);
case 3:
return precpred(_ctx, 8);
return precpred(_ctx, 9);
case 4:
return precpred(_ctx, 7);
return precpred(_ctx, 8);
}
return true;
}
public static final String _serializedATN =
"\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\3,u\4\2\t\2\4\3\t\3"+
"\4\4\t\4\4\5\t\5\4\6\t\6\3\2\3\2\3\2\3\3\3\3\3\3\5\3\23\n\3\7\3\25\n\3"+
"\f\3\16\3\30\13\3\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4"+
"\3\4\7\4(\n\4\f\4\16\4+\13\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\7\4\64\n\4\f"+
"\4\16\4\67\13\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\5\4A\n\4\3\4\3\4\3\4\3"+
"\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\3-\u0093\4\2\t\2\4"+
"\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\3\2\3\2\3\2\3\3\3\3\3\3\5\3\23\n\3\7\3"+
"\25\n\3\f\3\16\3\30\13\3\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3"+
"\4\3\4\3\4\7\4(\n\4\f\4\16\4+\13\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\7\4\64"+
"\n\4\f\4\16\4\67\13\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\7\4@\n\4\f\4\16\4C\13"+
"\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\5\4M\n\4\3\4\3\4\3\4\3\4\3\4\3\4\3"+
"\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4"+
"\3\4\5\4Y\n\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4"+
"\3\4\7\4j\n\4\f\4\16\4m\13\4\3\5\3\5\5\5q\n\5\3\6\3\6\3\6\2\3\6\7\2\4"+
"\6\b\n\2\b\3\2\20\22\3\2&\'\3\2\23\25\3\2\20\21\3\2\26\33\3\2\37!\2\u0086"+
"\2\f\3\2\2\2\4\17\3\2\2\2\6X\3\2\2\2\bp\3\2\2\2\nr\3\2\2\2\f\r\5\4\3\2"+
"\r\16\7\2\2\3\16\3\3\2\2\2\17\26\5\6\4\2\20\22\7#\2\2\21\23\5\6\4\2\22"+
"\21\3\2\2\2\22\23\3\2\2\2\23\25\3\2\2\2\24\20\3\2\2\2\25\30\3\2\2\2\26"+
"\24\3\2\2\2\26\27\3\2\2\2\27\5\3\2\2\2\30\26\3\2\2\2\31\32\b\4\1\2\32"+
"\33\7\3\2\2\33\34\5\4\3\2\34\35\7\4\2\2\35Y\3\2\2\2\36\37\7\5\2\2\37 "+
"\5\4\3\2 !\7\6\2\2!Y\3\2\2\2\"#\7\7\2\2#$\7\3\2\2$)\5\n\6\2%&\7$\2\2&"+
"(\5\n\6\2\'%\3\2\2\2(+\3\2\2\2)\'\3\2\2\2)*\3\2\2\2*,\3\2\2\2+)\3\2\2"+
"\2,-\7\4\2\2-Y\3\2\2\2./\7\b\2\2/\60\7\3\2\2\60\65\5\4\3\2\61\62\7$\2"+
"\2\62\64\5\4\3\2\63\61\3\2\2\2\64\67\3\2\2\2\65\63\3\2\2\2\65\66\3\2\2"+
"\2\668\3\2\2\2\67\65\3\2\2\289\7\4\2\29Y\3\2\2\2:;\7\t\2\2;<\5\4\3\2<"+
"=\7\n\2\2=@\5\4\3\2>?\7\13\2\2?A\5\4\3\2@>\3\2\2\2@A\3\2\2\2AB\3\2\2\2"+
"BC\7\f\2\2CY\3\2\2\2DE\7\r\2\2EF\5\4\3\2FG\7\16\2\2GH\5\4\3\2HI\7\17\2"+
"\2IY\3\2\2\2JK\t\2\2\2KY\5\6\4\16LM\7\36\2\2MN\5\b\5\2NO\7(\2\2OY\3\2"+
"\2\2PQ\5\n\6\2QR\7\"\2\2RS\5\6\4\7SY\3\2\2\2TY\5\n\6\2UY\7)\2\2VY\7%\2"+
"\2WY\t\3\2\2X\31\3\2\2\2X\36\3\2\2\2X\"\3\2\2\2X.\3\2\2\2X:\3\2\2\2XD"+
"\3\2\2\2XJ\3\2\2\2XL\3\2\2\2XP\3\2\2\2XT\3\2\2\2XU\3\2\2\2XV\3\2\2\2X"+
"W\3\2\2\2Yk\3\2\2\2Z[\f\r\2\2[\\\t\4\2\2\\j\5\6\4\16]^\f\f\2\2^_\t\5\2"+
"\2_j\5\6\4\r`a\f\13\2\2ab\t\6\2\2bj\5\6\4\fcd\f\n\2\2de\7\34\2\2ej\5\6"+
"\4\13fg\f\t\2\2gh\7\35\2\2hj\5\6\4\niZ\3\2\2\2i]\3\2\2\2i`\3\2\2\2ic\3"+
"\2\2\2if\3\2\2\2jm\3\2\2\2ki\3\2\2\2kl\3\2\2\2l\7\3\2\2\2mk\3\2\2\2nq"+
"\t\7\2\2oq\5\n\6\2pn\3\2\2\2po\3\2\2\2q\t\3\2\2\2rs\7(\2\2s\13\3\2\2\2"+
"\13\22\26)\65@Xikp";
"\7\4g\n\4\f\4\16\4j\13\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\5"+
"\4w\n\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\3\4\7"+
"\4\u0088\n\4\f\4\16\4\u008b\13\4\3\5\3\5\5\5\u008f\n\5\3\6\3\6\3\6\2\3"+
"\6\7\2\4\6\b\n\2\b\3\2\20\22\3\2\'(\3\2\23\25\3\2\20\21\3\2\26\33\3\2"+
" \"\2\u00a8\2\f\3\2\2\2\4\17\3\2\2\2\6v\3\2\2\2\b\u008e\3\2\2\2\n\u0090"+
"\3\2\2\2\f\r\5\4\3\2\r\16\7\2\2\3\16\3\3\2\2\2\17\26\5\6\4\2\20\22\7$"+
"\2\2\21\23\5\6\4\2\22\21\3\2\2\2\22\23\3\2\2\2\23\25\3\2\2\2\24\20\3\2"+
"\2\2\25\30\3\2\2\2\26\24\3\2\2\2\26\27\3\2\2\2\27\5\3\2\2\2\30\26\3\2"+
"\2\2\31\32\b\4\1\2\32\33\7\3\2\2\33\34\5\4\3\2\34\35\7\4\2\2\35w\3\2\2"+
"\2\36\37\7\5\2\2\37 \5\4\3\2 !\7\6\2\2!w\3\2\2\2\"#\7\7\2\2#$\7\3\2\2"+
"$)\5\n\6\2%&\7%\2\2&(\5\n\6\2\'%\3\2\2\2(+\3\2\2\2)\'\3\2\2\2)*\3\2\2"+
"\2*,\3\2\2\2+)\3\2\2\2,-\7\4\2\2-w\3\2\2\2./\7\b\2\2/\60\7\3\2\2\60\65"+
"\5\4\3\2\61\62\7%\2\2\62\64\5\4\3\2\63\61\3\2\2\2\64\67\3\2\2\2\65\63"+
"\3\2\2\2\65\66\3\2\2\2\668\3\2\2\2\67\65\3\2\2\289\7\4\2\29w\3\2\2\2:"+
";\5\n\6\2;<\7\3\2\2<A\5\4\3\2=>\7%\2\2>@\5\4\3\2?=\3\2\2\2@C\3\2\2\2A"+
"?\3\2\2\2AB\3\2\2\2BD\3\2\2\2CA\3\2\2\2DE\7\4\2\2Ew\3\2\2\2FG\7\t\2\2"+
"GH\5\4\3\2HI\7\n\2\2IL\5\4\3\2JK\7\13\2\2KM\5\4\3\2LJ\3\2\2\2LM\3\2\2"+
"\2MN\3\2\2\2NO\7\f\2\2Ow\3\2\2\2PQ\7\r\2\2QR\5\4\3\2RS\7\16\2\2ST\5\4"+
"\3\2TU\7\17\2\2Uw\3\2\2\2VW\t\2\2\2Ww\5\6\4\17XY\7\36\2\2YZ\5\b\5\2Z["+
"\7)\2\2[w\3\2\2\2\\]\7\37\2\2]^\5\b\5\2^_\7)\2\2_`\7\3\2\2`a\5\b\5\2a"+
"h\7)\2\2bc\7%\2\2cd\5\b\5\2de\7)\2\2eg\3\2\2\2fb\3\2\2\2gj\3\2\2\2hf\3"+
"\2\2\2hi\3\2\2\2ik\3\2\2\2jh\3\2\2\2kl\7\4\2\2lm\5\6\4\bmw\3\2\2\2no\5"+
"\n\6\2op\7#\2\2pq\5\6\4\7qw\3\2\2\2rw\5\n\6\2sw\7*\2\2tw\7&\2\2uw\t\3"+
"\2\2v\31\3\2\2\2v\36\3\2\2\2v\"\3\2\2\2v.\3\2\2\2v:\3\2\2\2vF\3\2\2\2"+
"vP\3\2\2\2vV\3\2\2\2vX\3\2\2\2v\\\3\2\2\2vn\3\2\2\2vr\3\2\2\2vs\3\2\2"+
"\2vt\3\2\2\2vu\3\2\2\2w\u0089\3\2\2\2xy\f\16\2\2yz\t\4\2\2z\u0088\5\6"+
"\4\17{|\f\r\2\2|}\t\5\2\2}\u0088\5\6\4\16~\177\f\f\2\2\177\u0080\t\6\2"+
"\2\u0080\u0088\5\6\4\r\u0081\u0082\f\13\2\2\u0082\u0083\7\34\2\2\u0083"+
"\u0088\5\6\4\f\u0084\u0085\f\n\2\2\u0085\u0086\7\35\2\2\u0086\u0088\5"+
"\6\4\13\u0087x\3\2\2\2\u0087{\3\2\2\2\u0087~\3\2\2\2\u0087\u0081\3\2\2"+
"\2\u0087\u0084\3\2\2\2\u0088\u008b\3\2\2\2\u0089\u0087\3\2\2\2\u0089\u008a"+
"\3\2\2\2\u008a\7\3\2\2\2\u008b\u0089\3\2\2\2\u008c\u008f\t\7\2\2\u008d"+
"\u008f\5\n\6\2\u008e\u008c\3\2\2\2\u008e\u008d\3\2\2\2\u008f\t\3\2\2\2"+
"\u0090\u0091\7)\2\2\u0091\13\3\2\2\2\r\22\26)\65ALhv\u0087\u0089\u008e";
public static final ATN _ATN =
new ATNDeserializer().deserialize(_serializedATN.toCharArray());
static {

14
src/pp/s1184725/boppi/BasicVisitor.java
View File

@ -99,6 +99,13 @@ public interface BasicVisitor<T> extends ParseTreeVisitor<T> {
* @return the visitor result
*/
T visitInfix5(BasicParser.Infix5Context ctx);
/**
* Visit a parse tree produced by the {@code call}
* labeled alternative in {@link BasicParser#singleExpr}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitCall(BasicParser.CallContext ctx);
/**
* Visit a parse tree produced by the {@code number}
* labeled alternative in {@link BasicParser#singleExpr}.
@ -106,6 +113,13 @@ public interface BasicVisitor<T> extends ParseTreeVisitor<T> {
* @return the visitor result
*/
T visitNumber(BasicParser.NumberContext ctx);
/**
* Visit a parse tree produced by the {@code funcDeclare}
* labeled alternative in {@link BasicParser#singleExpr}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitFuncDeclare(BasicParser.FuncDeclareContext ctx);
/**
* Visit a parse tree produced by the {@code char}
* labeled alternative in {@link BasicParser#singleExpr}.

136
src/pp/s1184725/boppi/BoppiBasicChecker.java
View File

@ -1,7 +1,10 @@
package pp.s1184725.boppi;
import java.util.ArrayList;
import java.util.EmptyStackException;
import java.util.List;
import java.util.logging.Logger;
import java.util.stream.Collectors;
import org.antlr.v4.runtime.ParserRuleContext;
import org.antlr.v4.runtime.tree.ParseTree;
@ -13,8 +16,8 @@ import pp.s1184725.boppi.BasicParser.*;
* tree.
*
*/
public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
private CachingSymbolTable<SimpleType> symbols;
public class BoppiBasicChecker extends BasicBaseVisitor<Type> {
private CachingSymbolTable<Type> symbols;
private Annotations an;
private Logger log;
@ -34,37 +37,59 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
}
@Override
public SimpleType visit(ParseTree tree) {
SimpleType type = super.visit(tree);
public Type visit(ParseTree tree) {
Type type = super.visit(tree);
an.types.put(tree, type);
if (an.function.get(tree) == null)
an.function.put(tree, an.currentFunction.peek());
return type;
}
@Override
public SimpleType visitAssign(AssignContext ctx) {
SimpleType expr = visit(ctx.singleExpr());
SimpleType var = visit(ctx.variable());
public Type visitAssign(AssignContext ctx) {
Type expr = visit(ctx.singleExpr());
Type var = visit(ctx.variable());
checkConstraint(expr, var, ctx);
return expr;
}
@Override
public SimpleType visitBool(BoolContext ctx) {
public Type visitBool(BoolContext ctx) {
return SimpleType.BOOL;
}
@Override
public SimpleType visitBlock(BlockContext ctx) {
public Type visitBlock(BlockContext ctx) {
return symbols.withScope(() -> visit(ctx.expr()));
}
@Override
public SimpleType visitChar(CharContext ctx) {
public Type visitCall(CallContext ctx) {
Type t = visit(ctx.variable());
if (t instanceof FunctionType) {
FunctionType type = (FunctionType) t;
if (type.getParameters().size() != ctx.expr().size())
log.severe(getError(ctx, "Expected %d arguments but got %d.", type.getParameters().size(),
ctx.expr().size()));
for (int i = 0; i < ctx.expr().size() && i < type.getParameters().size(); i++)
checkConstraint(visit(ctx.expr(i)), type.getParameters().get(i), ctx.expr(i));
return type.getReturn();
} else {
log.severe(getError(ctx, "'%s' is not a function.", ctx.variable().getText()));
return SimpleType.VOID;
}
}
@Override
public Type visitChar(CharContext ctx) {
return SimpleType.CHAR;
}
@Override
public SimpleType visitExpr(ExprContext ctx) {
public Type visitExpr(ExprContext ctx) {
if (ctx.singleExpr(ctx.singleExpr().size() - 1) instanceof DeclareContext)
log.severe(getError(ctx, "Compound expression ends with declaration."));
@ -72,10 +97,13 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
}
@Override
public SimpleType visitDeclare(DeclareContext ctx) {
public Type visitDeclare(DeclareContext ctx) {
try {
Variable<SimpleType> var = symbols.put(ctx.IDENTIFIER().getText(), visit(ctx.type()));
Variable<Type> var = symbols.put(ctx.IDENTIFIER().getText(), visit(ctx.type()));
an.variables.put(ctx, var);
if (!(var.getType() instanceof SimpleType))
log.warning("Be careful only to pass pure functions outside their scope.");
} catch (EmptyStackException e) {
log.severe(getError(ctx, "Declaring variable outside a program."));
} catch (Exception e) {
@ -85,12 +113,40 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
}
@Override
public SimpleType visitIf(IfContext ctx) {
public Type visitFuncDeclare(FuncDeclareContext ctx) {
try {
List<Type> parameterTypes = ctx.type().stream().skip(1).map(this::visit).collect(Collectors.toList());
FunctionType type = new FunctionType(visit(ctx.result), parameterTypes, symbols.functionDepth);
Variable<Type> func = symbols.put(ctx.name.getText(), type);
an.variables.put(ctx, func);
an.currentFunction.push(func);
type.setLocalDataSize(symbols.withFunctionScope(() -> {
for (int i = 1; i < ctx.type().size(); i++)
try {
Variable<Type> var = symbols.put(ctx.IDENTIFIER(i).getText(), an.types.get(ctx.type(i)));
type.getOffsets().add(var.getOffset());
} catch (Exception e) {
log.severe(getError(ctx, e.getMessage()));
}
checkConstraint(symbols.withScope(() -> visit(ctx.body)), an.types.get(ctx.result), ctx);
}));
} catch (EmptyStackException e) {
log.severe(getError(ctx, "Declaring function outside a program."));
} catch (Exception e) {
log.severe(getError(ctx, e.getMessage()));
}
an.currentFunction.pop();
return SimpleType.VOID;
}
@Override
public Type visitIf(IfContext ctx) {
return symbols.withScope(() -> {
visit(ctx.cond);
if (ctx.onFalse != null) {
SimpleType trueType = symbols.withScope(() -> visit(ctx.onTrue));
SimpleType falseType = symbols.withScope(() -> visit(ctx.onFalse));
Type trueType = symbols.withScope(() -> visit(ctx.onTrue));
Type falseType = symbols.withScope(() -> visit(ctx.onFalse));
return (trueType.equals(falseType)) ? trueType : SimpleType.VOID;
} else {
@ -101,7 +157,7 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
}
@Override
public SimpleType visitInfix1(Infix1Context ctx) {
public Type visitInfix1(Infix1Context ctx) {
checkConstraint(visit(ctx.lhs), SimpleType.INT, ctx.lhs);
checkConstraint(visit(ctx.rhs), SimpleType.INT, ctx.rhs);
@ -109,7 +165,7 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
}
@Override
public SimpleType visitInfix2(Infix2Context ctx) {
public Type visitInfix2(Infix2Context ctx) {
checkConstraint(visit(ctx.lhs), SimpleType.INT, ctx.lhs);
checkConstraint(visit(ctx.rhs), SimpleType.INT, ctx.rhs);
@ -117,9 +173,9 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
}
@Override
public SimpleType visitInfix3(Infix3Context ctx) {
SimpleType lht = visit(ctx.lhs);
SimpleType rht = visit(ctx.rhs);
public Type visitInfix3(Infix3Context ctx) {
Type lht = visit(ctx.lhs);
Type rht = visit(ctx.rhs);
checkConstraint(lht, rht, ctx);
switch (ctx.op.getType()) {
@ -134,7 +190,7 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
}
@Override
public SimpleType visitInfix4(Infix4Context ctx) {
public Type visitInfix4(Infix4Context ctx) {
checkConstraint(visit(ctx.lhs), SimpleType.BOOL, ctx.lhs);
checkConstraint(visit(ctx.rhs), SimpleType.BOOL, ctx.rhs);
@ -142,7 +198,7 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
}
@Override
public SimpleType visitInfix5(Infix5Context ctx) {
public Type visitInfix5(Infix5Context ctx) {
checkConstraint(visit(ctx.lhs), SimpleType.BOOL, ctx.lhs);
checkConstraint(visit(ctx.rhs), SimpleType.BOOL, ctx.rhs);
@ -150,18 +206,18 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
}
@Override
public SimpleType visitNumber(NumberContext ctx) {
public Type visitNumber(NumberContext ctx) {
return SimpleType.INT;
}
@Override
public SimpleType visitParens(ParensContext ctx) {
public Type visitParens(ParensContext ctx) {
return visit(ctx.expr());
}
@Override
public SimpleType visitPrefix1(Prefix1Context ctx) {
SimpleType type = visit(ctx.singleExpr());
public Type visitPrefix1(Prefix1Context ctx) {
Type type = visit(ctx.singleExpr());
switch (ctx.op.getType()) {
case BasicLexer.NOT:
@ -178,13 +234,15 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
}
@Override
public SimpleType visitProgram(ProgramContext ctx) {
symbols.withScope(() -> super.visitProgram(ctx));
public Type visitProgram(ProgramContext ctx) {
FunctionType main = new FunctionType(SimpleType.VOID, new ArrayList<>(), symbols.functionDepth);
an.currentFunction.push(new Variable<Type>(main, 0, 0));
main.setLocalDataSize(symbols.withFunctionScope(() -> super.visitProgram(ctx)));
return null;
}
@Override
public SimpleType visitRead(ReadContext ctx) {
public Type visitRead(ReadContext ctx) {
if (ctx.variable().size() == 1) {
return visit(ctx.variable(0));
} else {
@ -194,7 +252,7 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
}
@Override
public SimpleType visitType(TypeContext ctx) {
public Type visitType(TypeContext ctx) {
if (ctx.variable() != null)
return visit(ctx.variable());
else
@ -202,27 +260,27 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
}
@Override
public SimpleType visitVar(VarContext ctx) {
public Type visitVar(VarContext ctx) {
return visit(ctx.variable());
}
@Override
public SimpleType visitVariable(VariableContext ctx) {
public Type visitVariable(VariableContext ctx) {
try {
Variable<SimpleType> var = symbols.get(ctx.getText());
Variable<Type> var = symbols.get(ctx.getText());
an.variables.put(ctx, var);
return var.getType();
} catch (EmptyStackException e) {
log.severe(getError(ctx, "Using variable outside a program."));
} catch (Exception e) {
log.severe(getError(ctx, e.getMessage()));
log.severe(getError(ctx, e.getMessage() != null ? e.getMessage() : "unknown error"));
}
return SimpleType.VOID;
}
@Override
public SimpleType visitWhile(WhileContext ctx) {
public Type visitWhile(WhileContext ctx) {
return symbols.withScope(() -> {
checkConstraint(visit(ctx.cond), SimpleType.BOOL, ctx.cond);
symbols.withScope(() -> visit(ctx.onTrue));
@ -231,9 +289,9 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
}
@Override
public SimpleType visitWrite(WriteContext ctx) {
public Type visitWrite(WriteContext ctx) {
if (ctx.expr().size() == 1) {
SimpleType type = visit(ctx.expr(0));
Type type = visit(ctx.expr(0));
if (SimpleType.VOID.equals(type))
log.severe(getError(ctx, "Cannot print argument of type %s.", type));
@ -257,7 +315,7 @@ public class BoppiBasicChecker extends BasicBaseVisitor<SimpleType> {
* @param node
* the context used for logging
*/
private void checkConstraint(SimpleType type1, SimpleType type2, ParserRuleContext node) {
private void checkConstraint(Type type1, Type type2, ParserRuleContext node) {
if (!type2.equals(type1))
log.severe(getError(node, "Could not match type %s with type %s.", type1.toString(), type2.toString()));
}

228
src/pp/s1184725/boppi/BoppiBasicGenerator.java
View File

@ -2,6 +2,7 @@ package pp.s1184725.boppi;
import java.util.*;
import org.antlr.v4.runtime.ParserRuleContext;
import org.antlr.v4.runtime.RuleContext;
import org.antlr.v4.runtime.tree.*;
@ -9,10 +10,11 @@ import pp.iloc.model.*;
import pp.s1184725.boppi.BasicParser.*;
public class BoppiBasicGenerator extends BasicBaseVisitor<Void> {
private static final int ARBASESIZE = 8;
public Program prog;
private Annotations an;
private int regNum;
private final Reg zero = new Reg("zero");
private final Reg tempArp = new Reg("ART"), arp = new Reg("ARP"), resultReg = new Reg("RES");
/**
* Maps operator tokens to ILOC opcodes.
@ -46,8 +48,6 @@ public class BoppiBasicGenerator extends BasicBaseVisitor<Void> {
an = annotations;
prog = new Program();
regNum = 0;
emit(OpCode.loadI, new Num(0), zero);
}
/**
@ -82,12 +82,25 @@ public class BoppiBasicGenerator extends BasicBaseVisitor<Void> {
return reg;
}
private <T> Reg getVar(ParserRuleContext node, Variable<T> var) {
int difference = an.function.get(node).getDepth() + 1 - var.getDepth();
if (difference > 0) {
emit(node, OpCode.i2i, arp, tempArp);
while (difference-- > 0)
emit(node, OpCode.loadAI, tempArp, new Num(-4), tempArp);
return tempArp;
} else
return arp;
}
/**
* Constructs an operation from the parameters and adds it to the program
* under construction.
*/
private Op emit(Label label, OpCode opCode, Operand... args) {
private Op emit(ParserRuleContext ctx, Label label, OpCode opCode, Operand... args) {
Op result = new Op(label, opCode, args);
result.setComment(ctx.getText());
this.prog.addInstr(result);
return result;
}
@ -96,8 +109,8 @@ public class BoppiBasicGenerator extends BasicBaseVisitor<Void> {
* Constructs an operation from the parameters and adds it to the program
* under construction.
*/
private Op emit(OpCode opCode, Operand... args) {
return emit((Label) null, opCode, args);
private Op emit(ParserRuleContext ctx, OpCode opCode, Operand... args) {
return emit(ctx, (Label) null, opCode, args);
}
@Override
@ -113,65 +126,134 @@ public class BoppiBasicGenerator extends BasicBaseVisitor<Void> {
return null;
}
@Override
public Void visitProgram(ProgramContext ctx) {
emit(ctx, OpCode.loadI, new Num(0), tempArp);
emit(ctx, OpCode.loadI, new Num(0), arp);
return visitChildren(ctx);
}
@Override
public Void visitAssign(AssignContext ctx) {
visit(ctx.singleExpr());
copyReg(ctx.singleExpr(), ctx);
switch (an.types.get(ctx)) {
case CHAR:
emit(OpCode.cstoreAI, getReg(ctx), zero, new Num(an.variables.get(ctx.variable()).getOffset()));
break;
default:
emit(OpCode.storeAI, getReg(ctx), zero, new Num(an.variables.get(ctx.variable()).getOffset()));
if (SimpleType.CHAR.equals(an.types.get(ctx)))
emit(ctx, OpCode.cstoreAI, getReg(ctx), getVar(ctx.variable(), an.variables.get(ctx.variable())),
new Num(an.variables.get(ctx.variable()).getOffset()));
else
emit(ctx, OpCode.storeAI, getReg(ctx), getVar(ctx.variable(), an.variables.get(ctx.variable())),
new Num(an.variables.get(ctx.variable()).getOffset()));
return null;
}
@Override
public Void visitCall(CallContext ctx) {
Variable<Type> function = an.variables.get(ctx.variable());
FunctionType parameters = ((FunctionType) function.getType());
Reg temp = new Reg("r__");
visit(ctx.variable());
emit(ctx.variable(), OpCode.loadAI, getVar(ctx.variable(), an.variables.get(ctx.variable())),
new Num(an.variables.get(ctx.variable()).getOffset()), temp);
emit(ctx.variable(), OpCode.push, temp);
for (int i = 0; i < ctx.expr().size(); i++) {
visit(ctx.expr(i));
if (SimpleType.CHAR.equals(parameters.getParameters().get(i)))
emit(ctx.expr(i), OpCode.cpush, getReg(ctx.expr(i)));
else
emit(ctx.expr(i), OpCode.push, getReg(ctx.expr(i)));
}
emit(ctx.variable(), OpCode.addI, arp,
new Num(((FunctionType) an.function.get(ctx).getType()).getLocalDataSize() + ARBASESIZE), tempArp);
for (int i = ctx.expr().size() - 1; i >= 0; i--) {
if (SimpleType.CHAR.equals(parameters.getParameters().get(i))) {
emit(ctx.expr(i), OpCode.cpop, temp);
emit(ctx.expr(i), OpCode.cstoreAI, temp, tempArp, new Num(parameters.getOffsets().get(i)));
} else {
emit(ctx.expr(i), OpCode.pop, temp);
emit(ctx.expr(i), OpCode.storeAI, temp, tempArp, new Num(parameters.getOffsets().get(i)));
}
}
emit(ctx.variable(), OpCode.storeAI, arp, tempArp, new Num(-4));
Label label = new Label("ret" + ctx.hashCode());
emit(ctx.variable(), OpCode.loadI, new Num(label), temp);
emit(ctx.variable(), OpCode.storeAI, temp, tempArp, new Num(-8));
emit(ctx, OpCode.i2i, tempArp, arp);
emit(ctx.variable(), OpCode.pop, temp);
emit(ctx, OpCode.jump, temp);
emit(ctx, label, OpCode.loadAI, arp, new Num(-4), arp);
an.registers.put(ctx, resultReg);
return null;
}
@Override
public Void visitFuncDeclare(FuncDeclareContext ctx) {
Reg temp = new Reg("r__");
Label skip = new Label("s" + ctx.hashCode());
emit(ctx, OpCode.jumpI, skip);
int targetAddress = emit(ctx, OpCode.nop).getLine();
visit(ctx.body);
copyReg(ctx.body, ctx);
if (SimpleType.CHAR.equals(an.types.get(ctx.body)))
emit(ctx, OpCode.c2c, getReg(ctx), resultReg);
else
emit(ctx, OpCode.i2i, getReg(ctx), resultReg);
emit(ctx, OpCode.loadAI, arp, new Num(-8), temp);
emit(ctx, OpCode.jump, temp);
emit(ctx, skip, OpCode.loadI, new Num(targetAddress), temp);
emit(ctx, OpCode.storeAI, temp, getVar(ctx, an.variables.get(ctx)), new Num(an.variables.get(ctx).getOffset()));
return null;
}
@Override
public Void visitBool(BoolContext ctx) {
emit(OpCode.loadI, new Num(ctx.TRUE() != null ? 1 : 0), getReg(ctx));
emit(ctx, OpCode.loadI, new Num(ctx.TRUE() != null ? 1 : 0), getReg(ctx));
return null;
}
@Override
public Void visitNumber(NumberContext ctx) {
emit(OpCode.loadI, new Num(Integer.parseInt(ctx.LITERAL10().getText())), getReg(ctx));
emit(ctx, OpCode.loadI, new Num(Integer.parseInt(ctx.LITERAL10().getText())), getReg(ctx));
return null;
}
@Override
public Void visitInfix1(Infix1Context ctx) {
visitChildren(ctx);
emit(ops.get(ctx.op.getType()), getReg(ctx.lhs), getReg(ctx.rhs), getReg(ctx));
emit(ctx, ops.get(ctx.op.getType()), getReg(ctx.lhs), getReg(ctx.rhs), getReg(ctx));
return null;
}
@Override
public Void visitInfix2(Infix2Context ctx) {
visitChildren(ctx);
emit(ops.get(ctx.op.getType()), getReg(ctx.lhs), getReg(ctx.rhs), getReg(ctx));
emit(ctx, ops.get(ctx.op.getType()), getReg(ctx.lhs), getReg(ctx.rhs), getReg(ctx));
return null;
}
@Override
public Void visitInfix3(Infix3Context ctx) {
visitChildren(ctx);
emit(ops.get(ctx.op.getType()), getReg(ctx.lhs), getReg(ctx.rhs), getReg(ctx));
emit(ctx, ops.get(ctx.op.getType()), getReg(ctx.lhs), getReg(ctx.rhs), getReg(ctx));
return null;
}
@Override
public Void visitInfix4(Infix4Context ctx) {
visitChildren(ctx);
emit(OpCode.and, getReg(ctx.lhs), getReg(ctx.rhs), getReg(ctx));
emit(ctx, OpCode.and, getReg(ctx.lhs), getReg(ctx.rhs), getReg(ctx));
return null;
}
@Override
public Void visitInfix5(Infix5Context ctx) {
visitChildren(ctx);
emit(OpCode.or, getReg(ctx.lhs), getReg(ctx.rhs), getReg(ctx));
emit(ctx, OpCode.or, getReg(ctx.lhs), getReg(ctx.rhs), getReg(ctx));
return null;
}
@ -181,27 +263,27 @@ public class BoppiBasicGenerator extends BasicBaseVisitor<Void> {
switch (ctx.op.getType()) {
case BasicLexer.MINUS:
emit(OpCode.rsubI, getReg(ctx.singleExpr()), new Num(0), getReg(ctx));
emit(ctx, OpCode.rsubI, getReg(ctx.singleExpr()), new Num(0), getReg(ctx));
}
return null;
}
@Override
public Void visitVar(VarContext ctx) {
switch (an.types.get(ctx)) {
case CHAR:
emit(OpCode.cloadAI, zero, new Num(an.variables.get(ctx.variable()).getOffset()), getReg(ctx));
break;
default:
emit(OpCode.loadAI, zero, new Num(an.variables.get(ctx.variable()).getOffset()), getReg(ctx));
}
if (SimpleType.CHAR.equals(an.types.get(ctx)))
emit(ctx, OpCode.cloadAI, getVar(ctx.variable(), an.variables.get(ctx.variable())),
new Num(an.variables.get(ctx.variable()).getOffset()), getReg(ctx));
else
emit(ctx, OpCode.loadAI, getVar(ctx.variable(), an.variables.get(ctx.variable())),
new Num(an.variables.get(ctx.variable()).getOffset()), getReg(ctx));
return null;
}
@Override
public Void visitChar(CharContext ctx) {
emit(OpCode.loadI, new Num(ctx.CHAR().getText().codePointAt(1)), getReg(ctx));
emit(OpCode.i2c, getReg(ctx), getReg(ctx));
emit(ctx, OpCode.loadI, new Num(ctx.CHAR().getText().codePointAt(1)), getReg(ctx));
emit(ctx, OpCode.i2c, getReg(ctx), getReg(ctx));
return null;
}
@ -209,38 +291,36 @@ public class BoppiBasicGenerator extends BasicBaseVisitor<Void> {
public Void visitRead(ReadContext ctx) {
for (VariableContext expr : ctx.variable()) {
visit(expr);
switch (an.types.get(expr)) {
case BOOL:
case INT:
emit(OpCode.in, new Str(""), getReg(ctx));
emit(OpCode.storeAI, getReg(ctx), zero, new Num(an.variables.get(expr).getOffset()));
break;
case CHAR:
if (SimpleType.BOOL.equals(an.types.get(expr)) || SimpleType.INT.equals(an.types.get(expr))) {
emit(ctx, OpCode.in, new Str(""), getReg(ctx));
emit(ctx, OpCode.storeAI, getReg(ctx), getVar(expr, an.variables.get(expr)),
new Num(an.variables.get(expr).getOffset()));
} else if (SimpleType.CHAR.equals(an.types.get(expr))) {
// Get input until at least 1 character
Label getTarget = new Label("lcin_l" + ctx.hashCode());
Label continueTarget = new Label("lcin_e" + ctx.hashCode());
Reg countReg = new Reg("tempReg");
emit(getTarget, OpCode.cin, new Str(""));
emit(OpCode.pop, countReg);
emit(OpCode.cbr, countReg, continueTarget, getTarget);
emit(ctx, getTarget, OpCode.cin, new Str(""));
emit(ctx, OpCode.pop, countReg);
emit(ctx, OpCode.cbr, countReg, continueTarget, getTarget);
// Get character
emit(continueTarget, OpCode.cpop, getReg(ctx));
emit(OpCode.cstoreAI, getReg(ctx), zero, new Num(an.variables.get(expr).getOffset()));
emit(ctx, continueTarget, OpCode.cpop, getReg(ctx));
emit(ctx, OpCode.cstoreAI, getReg(ctx), getVar(expr, an.variables.get(expr)),
new Num(an.variables.get(expr).getOffset()));
// Pop all remaining characters
Label loopTarget = new Label("lcpop_l" + ctx.hashCode());
Label iterTarget = new Label("lcpop_c" + ctx.hashCode());
Label stopTarget = new Label("lcpop_e" + ctx.hashCode());
Reg tempReg2 = new Reg("tempReg2");
emit(loopTarget, OpCode.subI, countReg, new Num(1), countReg);
emit(OpCode.cbr, countReg, iterTarget, stopTarget);
emit(iterTarget, OpCode.cpop, tempReg2);
emit(OpCode.jumpI, loopTarget);
emit(stopTarget, OpCode.nop);
break;
default:
emit(OpCode.out, new Str("Unknown type: "), an.registers.get(expr));
emit(ctx, loopTarget, OpCode.subI, countReg, new Num(1), countReg);
emit(ctx, OpCode.cbr, countReg, iterTarget, stopTarget);
emit(ctx, iterTarget, OpCode.cpop, tempReg2);
emit(ctx, OpCode.jumpI, loopTarget);
emit(ctx, stopTarget, OpCode.nop);
} else {
emit(ctx, OpCode.out, new Str("Unknown type: "), an.registers.get(expr));
}
}
return null;
@ -254,26 +334,26 @@ public class BoppiBasicGenerator extends BasicBaseVisitor<Void> {
visit(ctx.cond);
if (ctx.onFalse == null) {
emit(OpCode.cbr, getReg(ctx.cond), toTrue, toEnd);
emit(ctx, OpCode.cbr, getReg(ctx.cond), toTrue, toEnd);
emit(toTrue, OpCode.nop);
emit(ctx, toTrue, OpCode.nop);
visit(ctx.onTrue);
} else {
emit(OpCode.cbr, getReg(ctx.cond), toTrue, toFalse);
emit(ctx, OpCode.cbr, getReg(ctx.cond), toTrue, toFalse);
emit(toTrue, OpCode.nop);
emit(ctx, toTrue, OpCode.nop);
visit(ctx.onTrue);
if (an.types.get(ctx) != SimpleType.VOID)
emit(OpCode.i2i, getReg(ctx.onTrue), getReg(ctx));
emit(OpCode.jumpI, toEnd);
emit(ctx, OpCode.i2i, getReg(ctx.onTrue), getReg(ctx));
emit(ctx, OpCode.jumpI, toEnd);
emit(toFalse, OpCode.nop);
emit(ctx, toFalse, OpCode.nop);
visit(ctx.onFalse);
if (an.types.get(ctx) != SimpleType.VOID)
emit(OpCode.i2i, getReg(ctx.onFalse), getReg(ctx));
emit(ctx, OpCode.i2i, getReg(ctx.onFalse), getReg(ctx));
}
emit(toEnd, OpCode.nop);
emit(ctx, toEnd, OpCode.nop);
return null;
}
@ -284,13 +364,13 @@ public class BoppiBasicGenerator extends BasicBaseVisitor<Void> {
Label toCond = new Label("while_f" + ctx.hashCode());
Label toEnd = new Label("while_e" + ctx.hashCode());
emit(OpCode.jumpI, toCond);
emit(toLoop, OpCode.nop);
emit(ctx, OpCode.jumpI, toCond);
emit(ctx, toLoop, OpCode.nop);
visit(ctx.onTrue);
emit(toCond, OpCode.nop);
emit(ctx, toCond, OpCode.nop);
visit(ctx.cond);
emit(OpCode.cbr, getReg(ctx.cond), toLoop, toEnd);
emit(toEnd, OpCode.nop);
emit(ctx, OpCode.cbr, getReg(ctx.cond), toLoop, toEnd);
emit(ctx, toEnd, OpCode.nop);
return null;
}
@ -299,20 +379,16 @@ public class BoppiBasicGenerator extends BasicBaseVisitor<Void> {
public Void visitWrite(WriteContext ctx) {
for (ExprContext expr : ctx.expr()) {
visit(expr);
switch (an.types.get(expr)) {
case BOOL:
case INT:
emit(OpCode.out, new Str(""), getReg(expr));
break;
case CHAR:
if (SimpleType.BOOL.equals(an.types.get(expr)) || SimpleType.INT.equals(an.types.get(expr))) {
emit(ctx, OpCode.out, new Str(""), getReg(expr));
} else if (SimpleType.CHAR.equals(an.types.get(expr))) {
Reg tempReg = new Reg("tempReg");
emit(OpCode.cpush, getReg(expr));
emit(OpCode.loadI, new Num(1), tempReg);
emit(OpCode.push, tempReg);
emit(OpCode.cout, new Str(""));
break;
default:
emit(OpCode.out, new Str("Unknown type: "), getReg(expr));
emit(ctx, OpCode.cpush, getReg(expr));
emit(ctx, OpCode.loadI, new Num(1), tempReg);
emit(ctx, OpCode.push, tempReg);
emit(ctx, OpCode.cout, new Str(""));
} else {
emit(ctx, OpCode.out, new Str("Unknown type: "), getReg(expr));
}
}
copyReg(ctx.expr(0), ctx);

101
src/pp/s1184725/boppi/CachingSymbolTable.java
View File

@ -13,11 +13,14 @@ import java.util.function.Supplier;
* @param <T>
* the typing class
*/
public class CachingSymbolTable<T> {
public class CachingSymbolTable<T extends Type> {
protected Stack<Map<String, Variable<T>>> symbolMapStack;
protected Stack<Integer> offsets;
protected Stack<Integer> functionSizes;
protected Map<String, Variable<T>> symbolCache;
protected int offset;
protected int functionDepth;
protected int functionSize;
/**
* Creates an empty symbol table with no open scope.
@ -26,7 +29,10 @@ public class CachingSymbolTable<T> {
symbolMapStack = new Stack<>();
symbolCache = new HashMap<>();
offsets = new Stack<>();
functionSizes = new Stack<>();
offset = 0;
functionDepth = 0;
functionSize = 0;
}
/**
@ -38,7 +44,19 @@ public class CachingSymbolTable<T> {
}
/**
* Closes a lexical scope, removing all definitions within this scope.
* Opens a lexical scope for a function declaration, resetting the local
* offset and increasing the lookup depth.
*/
public void openFunctionScope() {
openScope();
functionSizes.push(functionSize);
functionDepth++;
functionSize = 0;
offset = 0;
}
/**
* Closes a lexical scope, removing all declarations within this scope.
*
* @throws EmptyStackException
* if no scope is open
@ -55,11 +73,25 @@ public class CachingSymbolTable<T> {
offset = offsets.pop();
}
/**
* Closes a lexical scope for a function declaration, removing all
* declarations within this scope, restoring the local offset and decreasing
* the lookup depth.
*
* @throws EmptyStackException
* if no scope is open
*/
public void closeFunctionScope() throws EmptyStackException {
closeScope();
functionSize = functionSizes.pop();
functionDepth--;
}
/**
* Opens a scope, executes the given code and closes the scope. This is a
* helper method to make sure {@link #openScope()} and {@link #closeScope()}
* calls are balanced. {@code code} must take no arguments and must return a
* value.
* helper method to make sure calls to {@link #openScope()} and
* {@link #closeScope()} are balanced. {@code code} must take no arguments
* and must return a value.
*
* @param <U>
* the type of the code's return value
@ -74,10 +106,30 @@ public class CachingSymbolTable<T> {
return result;
}
/**
* Opens a function scope, executes the given code and closes it. This is a
* helper method to make sure calls to {@link #openFunctionScope()} and
* {@link #closeFunctionScope()} are balanced and returns the local data
* size (in bytes) of the function. {@code code} must take no arguments and
* must not return a value.
*
* @param code
* the code to execute within the scope
* @return the return value of the code
*/
public int withFunctionScope(Runnable code) {
openFunctionScope();
code.run();
int result = functionSize;
closeFunctionScope();
return result;
}
/**
* Associates an identifier with a certain type in the current lexical scope
* and returns the newly made variable instance that belongs to this
* identifier. Throws an exception if the
* identifier. Throws an exception if the identifier is declared in this
* scope already.
*
* @param id
* the name of the identifier
@ -93,20 +145,21 @@ public class CachingSymbolTable<T> {
if (symbolMapStack.peek().containsKey(id))
throw new Exception(String.format("Identifier '%s' already declared in this scope.", id));
Variable<T> var = new Variable<>(type, offset);
// TODO refactor to get type size
offset += ((SimpleType) type).getSize();
Variable<T> var = new Variable<>(type, functionDepth, offset);
offset += type.getSize();
functionSize = Math.max(functionSize, offset);
symbolMapStack.peek().put(id, var);
symbolCache.put(id, var);
return var;
}
/**
* Returns whether the given identifier is defined.
* Returns whether the given identifier is declared.
*
* @param id
* the name of the identifier
* @return true if the identifier has a defined type
* @return true if the identifier has a declared type
* @throws EmptyStackException
* if no scope is open
*/
@ -124,14 +177,36 @@ public class CachingSymbolTable<T> {
* the name of the identifier
* @return the type of the identifier
* @throws Exception
* if the identifier is not defined
* if the identifier is not declared
* @throws EmptyStackException
* if no scope is open
*/
public Variable<T> get(String id) throws Exception, EmptyStackException {
if (!this.has(id))
throw new Exception(String.format("Identifier '%s' is undefined.", id));
throw new Exception(String.format("Identifier '%s' is undeclared.", id));
return symbolCache.get(id);
}
/**
* Returns the size, in bytes, required to store all the variables declared
* in the current function scope. Note that this is the size calculated up
* and including the last variable declaration, so make sure to call it
* right before leaving a function scope.
*
* @return the number of bytes required to store all variables local to a
* function
*/
public int getLocalDataSize() {
return functionSize;
}
/**
* Returns the current lexical scope/function depth.
*
* @return the function depth
*/
public int getFunctionDepth() {
return functionDepth;
}
}

57
src/pp/s1184725/boppi/DebugCachingSymbolTable.java Normal file
View File

@ -0,0 +1,57 @@
package pp.s1184725.boppi;
import java.util.EmptyStackException;
public class DebugCachingSymbolTable<T extends Type> extends CachingSymbolTable<T> {
@Override
public void openScope() {
super.openScope();
}
@Override
public void openFunctionScope() {
System.out.println(this.getClass().getName() + ": entering scope depth " + functionDepth);
super.openFunctionScope();
}
@Override
public void closeScope() throws EmptyStackException {
super.closeScope();
}
@Override
public void closeFunctionScope() throws EmptyStackException {
System.out.println(this.getClass().getName() + ": leaving scope depth " + functionDepth);
super.closeFunctionScope();
}
@Override
public Variable<T> put(String id, T type) throws Exception, EmptyStackException {
System.out.println(this.getClass().getName() + ": declaring '" + id + "' at scope " + functionDepth);
return super.put(id, type);
}
@Override
public boolean has(String id) throws EmptyStackException {
return super.has(id);
}
@Override
public Variable<T> get(String id) throws Exception, EmptyStackException {
System.out.println(this.getClass().getName() + ": retrieving '" + id + "' (depth "
+ symbolCache.get(id).getDepth() + ") at scope " + functionDepth);
return super.get(id);
}
@Override
public int getLocalDataSize() {
return super.getLocalDataSize();
}
@Override
public int getFunctionDepth() {
return super.getFunctionDepth();
}
}

94
src/pp/s1184725/boppi/FunctionType.java Normal file
View File

@ -0,0 +1,94 @@
package pp.s1184725.boppi;
import java.util.*;
import java.util.stream.Collectors;
import pp.iloc.eval.Machine;
public class FunctionType implements Type {
private List<Type> parameters;
private List<Integer> offsets;
private Type result;
private int localDataSize;
private int depth;
public FunctionType(Type returnType, List<Type> parameterTypes, int depth) {
result = returnType;
parameters = new ArrayList<>(parameterTypes);
offsets = new ArrayList<>();
this.depth = depth;
}
@Override
public int getSize() {
return Machine.INT_SIZE;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof FunctionType))
return false;
FunctionType other = (FunctionType) obj;
return result.equals(other.result) && parameters.equals(other.parameters);
}
@Override
public String toString() {
return parameters.stream().map(Type::toString).collect(Collectors.joining(",", "(", ")")) + "->"
+ result.toString();
}
/**
* Sets the size (in bytes) of the local data segment for this function.
*
* @param newSize
* the size (in bytes) of the local data segment
*/
public void setLocalDataSize(int newSize) {
localDataSize = newSize;
}
/**
* Returns the size (in bytes) of the local data segment for this function.
*
* @return the size (in bytes) of the local data segment
*/
public int getLocalDataSize() {
return localDataSize;
}
/**
* Returns the result type of this function.
*
* @return the result type
*/
public Type getReturn() {
return result;
}
/**
* Returns the parameter types of this function.
*
* @return the parameter types
*/
public List<Type> getParameters() {
return parameters;
}
public void setParameters(List<Type> parameters) {
this.parameters = parameters;
}
public List<Integer> getOffsets() {
return offsets;
}
public int getDepth() {
return depth;
}
public void setDepth(int newDepth) {
depth = newDepth;
}
}

10
src/pp/s1184725/boppi/SimpleType.java
View File

@ -13,16 +13,12 @@ import pp.iloc.eval.Machine;
* <li>void (empty/unit type)</li>
* </ul>
*/
public enum SimpleType {
public enum SimpleType implements Type {
INT(Machine.INT_SIZE), CHAR(Machine.DEFAULT_CHAR_SIZE), BOOL(Machine.INT_SIZE), VOID(0);
private final int size;
/**
* Gets the size of this data type.
*
* @return the size (in bytes) of this type
*/
@Override
public int getSize() {
return size;
}
@ -39,7 +35,7 @@ public enum SimpleType {
* @return the data type of the token, {@link SimpleType#VOID} if
* unrecognized
*/
public static SimpleType fromToken(int token) {
public static Type fromToken(int token) {
switch (token) {
case INTTYPE:
return SimpleType.INT;

4
src/pp/s1184725/boppi/ToolChain.java
View File

@ -208,7 +208,7 @@ public class ToolChain {
try {
s.run();
} catch (Exception e) {
logger.severe(e.getMessage());
logger.severe(e.toString());
}
}
@ -271,7 +271,7 @@ public class ToolChain {
if (annotater.variables.get(ctx) != null)
sb.append("var: " + escape(annotater.variables.get(ctx).toString()) + "<br/>");
if (annotater.types.get(ctx) != null)
sb.append("type: " + escape(annotater.types.get(ctx).name()) + "<br/>");
sb.append("type: " + escape(annotater.types.get(ctx).toString()) + "<br/>");
sb.append(">;style=filled;fillcolor=\"" + hue + "+0.1+1\"]\n");
if (ctx.children != null)

12
src/pp/s1184725/boppi/Type.java Normal file
View File

@ -0,0 +1,12 @@
package pp.s1184725.boppi;
public interface Type {
/**
* Gets the size of this data type.
*
* @return the size (in bytes) of this type
*/
int getSize();
}

15
src/pp/s1184725/boppi/Variable.java
View File

@ -9,6 +9,7 @@ package pp.s1184725.boppi;
*/
public class Variable<T> {
private final T type;
private final int depth;
private final int offset;
/**
@ -19,8 +20,9 @@ public class Variable<T> {
* @param offset
* the memory offset for this variable
*/
public Variable(T type, int offset) {
public Variable(T type, int depth, int offset) {
this.type = type;
this.depth = depth;
this.offset = offset;
}
@ -34,7 +36,7 @@ public class Variable<T> {
}
/**
* Gets the memory offset of this variable instance.
* Gets the local data offset of this variable instance.
*
* @return the offset
*/
@ -42,6 +44,15 @@ public class Variable<T> {
return offset;
}
/**
* Gets the lexical depth of this variable instance.
*
* @return the depth
*/
public int getDepth() {
return depth;
}
@Override
public String toString() {
return String.format("%s:%X@%d", type.toString(), hashCode(), offset);

36
src/pp/s1184725/boppi/test/CheckerTest.java
View File

@ -115,4 +115,40 @@ public class CheckerTest {
checkFile("while.boppi");
assertThat(log, is(empty()));
}
@Test
public void correctFunctionTest() {
checkString("function int id(int a) a; 1");
assertThat(log, is(empty()));
checkString("function int id(int a) a; id(1); 1");
assertThat(log, is(empty()));
checkString("var int a; function int const(int b) a; 1");
assertThat(log, is(empty()));
checkString("function int add(int a, int b) a+b; print(add(4, 5)+1)");
assertThat(log, is(empty()));
checkString("function char const(char a, char b) a; print(const('A', 'T'))");
assertThat(log, is(empty()));
checkString("function int factorial(int n) {if (n > 1) then n*factorial(n-1) else 1 fi}");
assertThat(log, is(empty()));
}
@Test
public void wrongFunctionTest() {
checkString("function int add(int a, char b) a+b; print(add(4, 'T')+1)");
assertThat(log, hasSize(1));
assertThat(log.get(0).getLevel(), is(Level.SEVERE));
checkString("function char add(int a, int b) a+b; print(add(4, 5))");
assertThat(log, hasSize(1));
assertThat(log.get(0).getLevel(), is(Level.SEVERE));
checkString("function int add(int a, int b) a+b; print(add(4, 'T')+1)");
assertThat(log, hasSize(1));
assertThat(log.get(0).getLevel(), is(Level.SEVERE));
}
}

39
src/pp/s1184725/boppi/test/GeneratorTest.java
View File

@ -10,6 +10,7 @@ import org.antlr.v4.runtime.CharStream;
import org.antlr.v4.runtime.tree.ParseTree;
import org.junit.Test;
import pp.iloc.Simulator;
import pp.iloc.model.Program;
import pp.s1184725.boppi.*;
@ -32,6 +33,10 @@ public class GeneratorTest {
ParseTree ast = ToolChain.getParser(ToolChain.getLexer(stream, logger), logger).program();
Annotations annotations = ToolChain.getAnnotations(ast, logger);
Program program = ToolChain.getILOC(ast, annotations);
if (Simulator.DEBUG)
System.out.println(program.prettyPrint());
out = ToolChain.execute(program, logger, input).split("\n");
}
@ -80,4 +85,38 @@ public class GeneratorTest {
assertThat(log, is(empty()));
assertThat(out, is(arrayContaining("13")));
}
@Test
public void correctFunctionTest() {
compileAndRunString("function int id(int a) a; 1");
assertThat(log, is(empty()));
compileAndRunString("function int id(int a) a; id(1); 1");
assertThat(log, is(empty()));
compileAndRunString("var int a; function int const(int b) a; 1");
assertThat(log, is(empty()));
compileAndRunString("var int a; a := 1; function int const(int b) a; print(const(4))");
assertThat(log, is(empty()));
assertThat(out, is(arrayContaining("1")));
compileAndRunString("function int add(int a, int b) a+b; print(add(4, 5)+1)");
assertThat(log, is(empty()));
assertThat(out, is(arrayContaining("10")));
compileAndRunString("function char const(char a, char b) a; print(const('A', 'T'))");
assertThat(log, is(empty()));
assertThat(out, is(arrayContaining("A")));
compileAndRunString("function int factorial(int n) {if (n > 1) then n*factorial(n-1) else 1 fi}");
assertThat(log, is(empty()));
compileAndRunString(
"function int factorial(int n) {if (n > 1) then factorial(n-1)*n else 1 fi}; var int n; print(factorial(read(n)))",
"5");
assertThat(log, is(empty()));
assertThat(out, is(arrayContaining("120")));
}
}