icybear/fabric-carpet
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script compile time optimizations.

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gnembon committed 2021-05-05 00:25:31 -03:00
1 parent 06c9aea326
commit 8d97ab26a9
27 files changed
+1071 -193
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src/main/java/carpet/script/language/ControlFlow.java
+12 -3
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@@ -21,13 +21,22 @@ public class ControlFlow {
public static void apply(Expression expression) // public just to get the javadoc right
{
// needs to be lazy cause of custom contextualization
expression.addLazyBinaryOperator(";", Operators.precedence.get("nextop;"), true, (c, t, lv1, lv2) ->
expression.addLazyBinaryOperator(";", Operators.precedence.get("nextop;"), true, true, t -> Context.Type.VOID, (c, t, lv1, lv2) ->
{
lv1.evalValue(c, Context.VOID);
Value v2 = lv2.evalValue(c, t);
return (cc, tt) -> v2;
});
expression.addPureLazyFunction("then", -1, t -> Context.Type.VOID, (c, t, lv) -> {
int imax = lv.size()-1;
for (int i = 0; i < imax; i++) lv.get(i).evalValue(c, Context.VOID);
Value v = lv.get(imax).evalValue(c, t);
return (cc, tt) -> v;
});
expression.addFunctionalEquivalence(";", "then");
// obvious lazy due to conditional evaluation of arguments
expression.addLazyFunction("if", -1, (c, t, lv) ->
{
@@ -50,9 +59,9 @@ public class ControlFlow {
return (cc, tt) -> Value.NULL;
});
expression.addFunction("exit", (lv) -> { throw new ExitStatement(lv.size()==0?Value.NULL:lv.get(0)); });
expression.addImpureFunction("exit", (lv) -> { throw new ExitStatement(lv.size()==0?Value.NULL:lv.get(0)); });
expression.addFunction("throw", lv->
expression.addImpureFunction("throw", lv->
{
switch (lv.size())
{