Laborratte5/compiler-design-excercises
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Fix tokens after main function

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SirYwell 2025-05-07 14:23:45 +02:00
parent 2edeaaaee3
commit e1aefeba40
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2 changed files with 9 additions and 1 deletions
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6
src/main/java/edu/kit/kastel/vads/compiler/parser/Parser.java
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@ -40,7 +40,11 @@ public class Parser {
} }
public ProgramTree parseProgram() { public ProgramTree parseProgram() {
return new ProgramTree(List.of(parseFunction())); ProgramTree programTree = new ProgramTree(List.of(parseFunction()));
if (this.tokenSource.hasMore()) {
throw new ParseException("expected end of input but got " + this.tokenSource.peek());
}
return programTree;
} }
private FunctionTree parseFunction() { private FunctionTree parseFunction() {

4
src/main/java/edu/kit/kastel/vads/compiler/parser/TokenSource.java
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@ -75,6 +75,10 @@ public class TokenSource {
return token; return token;
} }
public boolean hasMore() {
return this.idx < this.tokens.size();
}
private void expectHasMore() { private void expectHasMore() {
if (this.idx >= this.tokens.size()) { if (this.idx >= this.tokens.size()) {
throw new ParseException("reached end of file"); throw new ParseException("reached end of file");