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1 Commits
add-right-
...
times-init
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d64e597414 |
1
.gitignore
vendored
1
.gitignore
vendored
@@ -3,3 +3,4 @@ out/
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*.zip
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*.zip
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prg/**/*.ast
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prg/**/*.ast
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prg/**/*.out
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prg/**/*.out
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prg/**/*.pins25
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@@ -39,9 +39,8 @@ restcmp -> EQU addexpr
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| .
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| .
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addexpr -> multexpr restadd .
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addexpr -> multexpr restadd .
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restadd -> ADD addexpr
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restadd -> ADD multexpr restadd
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| SUB addexpr
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| SUB multexpr restadd | .
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| .
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multexpr -> prefixexpr restmult .
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multexpr -> prefixexpr restmult .
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restmult -> MUL prefixexpr restmult
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restmult -> MUL prefixexpr restmult
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@@ -1,3 +0,0 @@
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fun main() =
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3 - 2 - 1
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@@ -69,6 +69,10 @@ public record Token(Report.Location location, Symbol symbol, String lexeme) impl
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* Kljucna beseda {@code in}.
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* Kljucna beseda {@code in}.
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*/
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*/
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IN,
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IN,
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/**
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* Kljucna beseda {@code times}.
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*/
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TIMES,
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/**
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/**
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* Kljucna beseda {@code end}.
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* Kljucna beseda {@code end}.
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*/
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*/
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@@ -319,6 +319,7 @@ public class LexAn implements AutoCloseable {
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case "let" -> Token.Symbol.LET;
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case "let" -> Token.Symbol.LET;
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case "in" -> Token.Symbol.IN;
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case "in" -> Token.Symbol.IN;
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case "end" -> Token.Symbol.END;
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case "end" -> Token.Symbol.END;
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case "times" -> Token.Symbol.TIMES;
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default -> null;
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default -> null;
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};
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};
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}
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}
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@@ -360,9 +360,9 @@ public class SynAn implements AutoCloseable {
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private AST.AtomExpr parseIntegerConstantMultiplier() {
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private AST.AtomExpr parseIntegerConstantMultiplier() {
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Token token = lexAn.peekToken();
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Token token = lexAn.peekToken();
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if (token.symbol() == Token.Symbol.MUL) {
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if (token.symbol() == Token.Symbol.TIMES) {
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// intconstmult -> MUL const
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// intconstmult -> TIMES const
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check(Token.Symbol.MUL);
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check(Token.Symbol.TIMES);
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return parseConstant();
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return parseConstant();
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}
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}
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// intconstmult -> ε
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// intconstmult -> ε
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@@ -540,20 +540,20 @@ public class SynAn implements AutoCloseable {
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Token token = lexAn.peekToken();
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Token token = lexAn.peekToken();
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switch (token.symbol()) {
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switch (token.symbol()) {
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case ADD: {
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case ADD: {
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// restadd -> ADD addexpr
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// restadd -> ADD multexpr restadd
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check(Token.Symbol.ADD);
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check(Token.Symbol.ADD);
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AST.Expr right = parseAdditionExpression();
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AST.Expr right = parseMultiplicationExpression();
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AST.Expr binExpr = new AST.BinExpr(AST.BinExpr.Oper.ADD, left, right);
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AST.Expr binExpr = new AST.BinExpr(AST.BinExpr.Oper.ADD, left, right);
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attrLoc.put(binExpr, new Report.Location(attrLoc.get(left), attrLoc.get(right)));
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attrLoc.put(binExpr, new Report.Location(attrLoc.get(left), attrLoc.get(right)));
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return binExpr;
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return parseRestAdditionExpressions(binExpr);
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}
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}
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case SUB: {
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case SUB: {
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// restadd -> ADD addexpr
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// restadd -> SUB multexpr restadd
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check(Token.Symbol.SUB);
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check(Token.Symbol.SUB);
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AST.Expr right = parseAdditionExpression();
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AST.Expr right = parseMultiplicationExpression();
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AST.Expr binExpr = new AST.BinExpr(AST.BinExpr.Oper.SUB, left, right);
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AST.Expr binExpr = new AST.BinExpr(AST.BinExpr.Oper.SUB, left, right);
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attrLoc.put(binExpr, new Report.Location(attrLoc.get(left), attrLoc.get(right)));
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attrLoc.put(binExpr, new Report.Location(attrLoc.get(left), attrLoc.get(right)));
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return binExpr;
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return parseRestAdditionExpressions(binExpr);
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}
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}
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default:
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default:
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