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use expression switches

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This commit is contained in:
dfsek
2021-09-26 13:16:43 -07:00
parent 3de02c5d63
commit 8f51707505
39 changed files with 366 additions and 687 deletions
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19
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/parser/Parser.java
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@@ -98,17 +98,14 @@ public class Parser {
ParserUtil.checkType(identifier, Token.Type.IF_STATEMENT, Token.Type.WHILE_LOOP, Token.Type.FOR_LOOP);
ParserUtil.checkType(tokens.consume(), Token.Type.GROUP_BEGIN);
switch(identifier.getType()) {
case FOR_LOOP:
return parseForLoop(tokens, variableMap, identifier.getPosition());
case IF_STATEMENT:
return parseIfStatement(tokens, variableMap, identifier.getPosition(), loop);
case WHILE_LOOP:
return parseWhileLoop(tokens, variableMap, identifier.getPosition());
default:
throw new UnsupportedOperationException("Unknown keyword " + identifier.getContent() + ": " + identifier.getPosition());
}
return switch(identifier.getType()) {
case FOR_LOOP -> parseForLoop(tokens, variableMap, identifier.getPosition());
case IF_STATEMENT -> parseIfStatement(tokens, variableMap, identifier.getPosition(), loop);
case WHILE_LOOP -> parseWhileLoop(tokens, variableMap, identifier.getPosition());
default -> throw new UnsupportedOperationException(
"Unknown keyword " + identifier.getContent() + ": " + identifier.getPosition());
};
}
private WhileKeyword parseWhileLoop(Tokenizer tokens, Map<String, Returnable.ReturnType> variableMap, Position start)

18
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/parser/ParserUtil.java
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@@ -90,17 +90,13 @@ public class ParserUtil {
}
public static Returnable.ReturnType getVariableReturnType(Token varToken) throws ParseException {
switch(varToken.getType()) {
case NUMBER_VARIABLE:
return Returnable.ReturnType.NUMBER;
case STRING_VARIABLE:
return Returnable.ReturnType.STRING;
case BOOLEAN_VARIABLE:
return Returnable.ReturnType.BOOLEAN;
default:
throw new ParseException("Unexpected token " + varToken.getType() + "; expected variable declaration",
varToken.getPosition());
}
return switch(varToken.getType()) {
case NUMBER_VARIABLE -> Returnable.ReturnType.NUMBER;
case STRING_VARIABLE -> Returnable.ReturnType.STRING;
case BOOLEAN_VARIABLE -> Returnable.ReturnType.BOOLEAN;
default -> throw new ParseException("Unexpected token " + varToken.getType() + "; expected variable declaration",
varToken.getPosition());
};
}
public static boolean hasPrecedence(Token.Type first, Token.Type second) {

6
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/parser/lang/functions/Function.java
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@@ -9,17 +9,17 @@ import com.dfsek.terra.addons.terrascript.tokenizer.Position;
public interface Function<T> extends Returnable<T> {
Function<?> NULL = new Function<Object>() {
Function<?> NULL = new Function<>() {
@Override
public ReturnType returnType() {
return null;
}
@Override
public Object apply(ImplementationArguments implementationArguments, Map<String, Variable<?>> variableMap) {
return null;
}
@Override
public Position getPosition() {
return null;

12
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/parser/lang/variables/Declaration.java
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@@ -33,15 +33,9 @@ public class Declaration<T> implements Item<T> {
public T apply(ImplementationArguments implementationArguments, Map<String, Variable<?>> variableMap) {
T result = value.apply(implementationArguments, variableMap);
switch(type) {
case NUMBER:
variableMap.put(identifier, new NumberVariable((Number) result, position));
break;
case BOOLEAN:
variableMap.put(identifier, new BooleanVariable((Boolean) result, position));
break;
case STRING:
variableMap.put(identifier, new StringVariable((String) result, position));
break;
case NUMBER -> variableMap.put(identifier, new NumberVariable((Number) result, position));
case BOOLEAN -> variableMap.put(identifier, new BooleanVariable((Boolean) result, position));
case STRING -> variableMap.put(identifier, new StringVariable((String) result, position));
}
return result;
}

6
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/BinaryNumberFunctionBuilder.java
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@@ -22,19 +22,19 @@ public class BinaryNumberFunctionBuilder implements FunctionBuilder<Function<Num
@Override
public Function<Number> build(List<Returnable<?>> argumentList, Position position) {
return new Function<Number>() {
return new Function<>() {
@Override
public ReturnType returnType() {
return ReturnType.NUMBER;
}
@SuppressWarnings("unchecked")
@Override
public Number apply(ImplementationArguments implementationArguments, Map<String, Variable<?>> variableMap) {
return function.apply(((Returnable<Number>) argumentList.get(0)).apply(implementationArguments, variableMap),
((Returnable<Number>) argumentList.get(1)).apply(implementationArguments, variableMap));
}
@Override
public Position getPosition() {
return position;

12
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/BiomeFunctionBuilder.java
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@@ -30,13 +30,9 @@ public class BiomeFunctionBuilder implements FunctionBuilder<BiomeFunction> {
@Override
public Returnable.ReturnType getArgument(int position) {
switch(position) {
case 0:
case 1:
case 2:
return Returnable.ReturnType.NUMBER;
default:
return null;
}
return switch(position) {
case 0, 1, 2 -> Returnable.ReturnType.NUMBER;
default -> null;
};
}
}

18
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/BlockFunctionBuilder.java
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@@ -42,17 +42,11 @@ public class BlockFunctionBuilder implements FunctionBuilder<BlockFunction> {
@Override
public Returnable.ReturnType getArgument(int position) {
switch(position) {
case 0:
case 1:
case 2:
return Returnable.ReturnType.NUMBER;
case 3:
return Returnable.ReturnType.STRING;
case 4:
return Returnable.ReturnType.BOOLEAN;
default:
return null;
}
return switch(position) {
case 0, 1, 2 -> Returnable.ReturnType.NUMBER;
case 3 -> Returnable.ReturnType.STRING;
case 4 -> Returnable.ReturnType.BOOLEAN;
default -> null;
};
}
}

12
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/CheckBlockFunctionBuilder.java
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@@ -23,13 +23,9 @@ public class CheckBlockFunctionBuilder implements FunctionBuilder<CheckBlockFunc
@Override
public Returnable.ReturnType getArgument(int position) {
switch(position) {
case 0:
case 1:
case 2:
return Returnable.ReturnType.NUMBER;
default:
return null;
}
return switch(position) {
case 0, 1, 2 -> Returnable.ReturnType.NUMBER;
default -> null;
};
}
}

12
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/CheckFunctionBuilder.java
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@@ -31,13 +31,9 @@ public class CheckFunctionBuilder implements FunctionBuilder<CheckFunction> {
@Override
public Returnable.ReturnType getArgument(int position) {
switch(position) {
case 0:
case 1:
case 2:
return Returnable.ReturnType.NUMBER;
default:
return null;
}
return switch(position) {
case 0, 1, 2 -> Returnable.ReturnType.NUMBER;
default -> null;
};
}
}

15
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/EntityFunctionBuilder.java
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@@ -31,15 +31,10 @@ public class EntityFunctionBuilder implements FunctionBuilder<EntityFunction> {
@Override
public Returnable.ReturnType getArgument(int position) {
switch(position) {
case 0:
case 1:
case 2:
return Returnable.ReturnType.NUMBER;
case 3:
return Returnable.ReturnType.STRING;
default:
return null;
}
return switch(position) {
case 0, 1, 2 -> Returnable.ReturnType.NUMBER;
case 3 -> Returnable.ReturnType.STRING;
default -> null;
};
}
}

12
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/GetMarkFunctionBuilder.java
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@@ -27,13 +27,9 @@ public class GetMarkFunctionBuilder implements FunctionBuilder<GetMarkFunction>
@Override
public Returnable.ReturnType getArgument(int position) {
switch(position) {
case 0:
case 1:
case 2:
return Returnable.ReturnType.NUMBER;
default:
return null;
}
return switch(position) {
case 0, 1, 2 -> Returnable.ReturnType.NUMBER;
default -> null;
};
}
}

15
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/LootFunctionBuilder.java
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@@ -37,15 +37,10 @@ public class LootFunctionBuilder implements FunctionBuilder<LootFunction> {
@Override
public Returnable.ReturnType getArgument(int position) {
switch(position) {
case 0:
case 1:
case 2:
return Returnable.ReturnType.NUMBER;
case 3:
return Returnable.ReturnType.STRING;
default:
return null;
}
return switch(position) {
case 0, 1, 2 -> Returnable.ReturnType.NUMBER;
case 3 -> Returnable.ReturnType.STRING;
default -> null;
};
}
}

15
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/PullFunctionBuilder.java
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@@ -31,15 +31,10 @@ public class PullFunctionBuilder implements FunctionBuilder<PullFunction> {
@Override
public Returnable.ReturnType getArgument(int position) {
switch(position) {
case 0:
case 1:
case 2:
return Returnable.ReturnType.NUMBER;
case 3:
return Returnable.ReturnType.STRING;
default:
return null;
}
return switch(position) {
case 0, 1, 2 -> Returnable.ReturnType.NUMBER;
case 3 -> Returnable.ReturnType.STRING;
default -> null;
};
}
}

15
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/SetMarkFunctionBuilder.java
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@@ -28,15 +28,10 @@ public class SetMarkFunctionBuilder implements FunctionBuilder<SetMarkFunction>
@Override
public Returnable.ReturnType getArgument(int position) {
switch(position) {
case 0:
case 1:
case 2:
return Returnable.ReturnType.NUMBER;
case 3:
return Returnable.ReturnType.STRING;
default:
return null;
}
return switch(position) {
case 0, 1, 2 -> Returnable.ReturnType.NUMBER;
case 3 -> Returnable.ReturnType.STRING;
default -> null;
};
}
}

15
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/StateFunctionBuilder.java
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@@ -32,15 +32,10 @@ public class StateFunctionBuilder implements FunctionBuilder<StateFunction> {
@Override
public Returnable.ReturnType getArgument(int position) {
switch(position) {
case 0:
case 1:
case 2:
return Returnable.ReturnType.NUMBER;
case 3:
return Returnable.ReturnType.STRING;
default:
return null;
}
return switch(position) {
case 0, 1, 2 -> Returnable.ReturnType.NUMBER;
case 3 -> Returnable.ReturnType.STRING;
default -> null;
};
}
}

12
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/StructureFunctionBuilder.java
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@@ -40,13 +40,9 @@ public class StructureFunctionBuilder implements FunctionBuilder<StructureFuncti
@Override
public Returnable.ReturnType getArgument(int position) {
switch(position) {
case 0:
case 1:
case 2:
return Returnable.ReturnType.NUMBER;
default:
return Returnable.ReturnType.STRING;
}
return switch(position) {
case 0, 1, 2 -> Returnable.ReturnType.NUMBER;
default -> Returnable.ReturnType.STRING;
};
}
}

6
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/UnaryBooleanFunctionBuilder.java
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@@ -23,12 +23,12 @@ public class UnaryBooleanFunctionBuilder implements FunctionBuilder<Function<Voi
@Override
public Function<Void> build(List<Returnable<?>> argumentList, Position position) {
return new Function<Void>() {
return new Function<>() {
@Override
public ReturnType returnType() {
return ReturnType.VOID;
}
@SuppressWarnings("unchecked")
@Override
public Void apply(ImplementationArguments implementationArguments, Map<String, Variable<?>> variableMap) {
@@ -36,7 +36,7 @@ public class UnaryBooleanFunctionBuilder implements FunctionBuilder<Function<Voi
(TerraImplementationArguments) implementationArguments);
return null;
}
@Override
public Position getPosition() {
return position;

6
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/UnaryNumberFunctionBuilder.java
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@@ -21,18 +21,18 @@ public class UnaryNumberFunctionBuilder implements FunctionBuilder<Function<Numb
@Override
public Function<Number> build(List<Returnable<?>> argumentList, Position position) {
return new Function<Number>() {
return new Function<>() {
@Override
public ReturnType returnType() {
return ReturnType.NUMBER;
}
@SuppressWarnings("unchecked")
@Override
public Number apply(ImplementationArguments implementationArguments, Map<String, Variable<?>> variableMap) {
return function.apply(((Returnable<Number>) argumentList.get(0)).apply(implementationArguments, variableMap));
}
@Override
public Position getPosition() {
return position;

6
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/UnaryStringFunctionBuilder.java
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@@ -21,19 +21,19 @@ public class UnaryStringFunctionBuilder implements FunctionBuilder<Function<Void
@Override
public Function<Void> build(List<Returnable<?>> argumentList, Position position) {
return new Function<Void>() {
return new Function<>() {
@Override
public ReturnType returnType() {
return ReturnType.VOID;
}
@SuppressWarnings("unchecked")
@Override
public Void apply(ImplementationArguments implementationArguments, Map<String, Variable<?>> variableMap) {
function.accept(((Returnable<String>) argumentList.get(0)).apply(implementationArguments, variableMap));
return null;
}
@Override
public Position getPosition() {
return position;

6
common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/builders/ZeroArgFunctionBuilder.java
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@@ -23,17 +23,17 @@ public class ZeroArgFunctionBuilder<T> implements FunctionBuilder<Function<T>> {
@Override
public Function<T> build(List<Returnable<?>> argumentList, Position position) {
return new Function<T>() {
return new Function<>() {
@Override
public ReturnType returnType() {
return type;
}
@Override
public T apply(ImplementationArguments implementationArguments, Map<String, Variable<?>> variableMap) {
return function.apply((TerraImplementationArguments) implementationArguments);
}
@Override
public Position getPosition() {
return position;

13
common/addons/structure-terrascript-loader/src/test/java/structure/ParserTest.java
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@@ -39,14 +39,11 @@ public class ParserTest {
@Override
public Returnable.ReturnType getArgument(int position) {
switch(position) {
case 0:
return Returnable.ReturnType.STRING;
case 1:
return Returnable.ReturnType.NUMBER;
default:
return null;
}
return switch(position) {
case 0 -> Returnable.ReturnType.STRING;
case 1 -> Returnable.ReturnType.NUMBER;
default -> null;
};
}
});