mirrors/Terra
1
0
Fork 0
mirror of https://github.com/PolyhedralDev/Terra.git synced 2026-04-09 01:06:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

account for dangling opening/closing brace

Browse Source
This commit is contained in:
dfsek
2020-12-20 01:43:50 -07:00
parent 2880c29f8c
commit c4f927e72c
3 changed files with 14 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
common/src/main/java/com/dfsek/terra/api/structures/parser/FunctionBuilder.java
View File

@@ -1,13 +1,12 @@
package com.dfsek.terra.api.structures.parser;
import com.dfsek.terra.api.structures.parser.exceptions.ParseException;
import com.dfsek.terra.api.structures.parser.lang.Argument;
import com.dfsek.terra.api.structures.parser.lang.Function;
import java.util.List;
public interface FunctionBuilder<T extends Function> {
public interface FunctionBuilder<T extends Function<?>> {
T build(List<String> argumentList) throws ParseException;
List<Argument<?>> getArguments();
int getArguments();
}

12
common/src/main/java/com/dfsek/terra/api/structures/parser/Parser.java
View File

@@ -45,6 +45,14 @@ public class Parser {
} catch(TokenizerException e) {
throw new ParseException("Failed to tokenize input", e);
}
// Check for dangling brackets
int blockLevel = 0;
for(Token t : tokens) {
if(t.getType().equals(Token.Type.BLOCK_BEGIN)) blockLevel++;
else if(t.getType().equals(Token.Type.BLOCK_END)) blockLevel--;
if(blockLevel < 0) throw new ParseException("Dangling closing brace: " + t.getStart());
}
if(blockLevel != 0) throw new ParseException("Dangling opening brace");
return parseBlock(tokens);
}
@@ -121,8 +129,8 @@ public class Parser {
List<String> arg = args.stream().map(Token::getContent).collect(Collectors.toList());
FunctionBuilder<?> builder = functions.get(identifier.getContent());
if(arg.size() != builder.getArguments().size())
throw new ParseException("Expected " + builder.getArguments().size() + " arguments, found " + arg.size() + ": " + identifier.getStart());
if(arg.size() != builder.getArguments() && builder.getArguments() != -1)
throw new ParseException("Expected " + builder.getArguments() + " arguments, found " + arg.size() + ": " + identifier.getStart());
return functions.get(identifier.getContent()).build(arg);
}