import java.util.Arrays;
import org.simantics.scl.compiler.common.names.Name;
-import org.simantics.scl.compiler.common.names.Names;
import org.simantics.scl.compiler.common.precedence.Associativity;
import org.simantics.scl.compiler.common.precedence.Precedence;
import org.simantics.scl.compiler.compilation.CompilationContext;
import org.simantics.scl.compiler.environment.filter.AcceptAllNamespaceFilter;
import org.simantics.scl.compiler.errors.Locations;
import org.simantics.scl.compiler.internal.parsing.declarations.DValueAst;
+import org.simantics.scl.compiler.module.debug.ModuleDebugInfo;
+import org.simantics.scl.compiler.module.debug.SymbolReference;
import org.simantics.scl.compiler.top.SCLCompilerConfiguration;
import org.simantics.scl.compiler.types.Type;
TIntArrayList chrConstraintFrames = new TIntArrayList();
ArrayList<CHRConstraintEntry> chrConstraintEntries = new ArrayList<CHRConstraintEntry>();
+ private THashSet<Expression> expandedFromWildcard;
+
public CHRRuleset currentRuleset;
+ public ModuleDebugInfo moduleDebugInfo;
+
+ private String definitionName;
+
static class Entry {
String name;
Variable variable;
}
}
- public TranslationContext(CompilationContext compilationContext, LocalEnvironment localEnvironment) {
+ public TranslationContext(CompilationContext compilationContext, LocalEnvironment localEnvironment, String definitionName) {
super(compilationContext);
this.localEnvironment = localEnvironment;
+ this.moduleDebugInfo = compilationContext.moduleDebugInfo;
+ this.definitionName = definitionName;
}
public static boolean isConstructorName(String name) {
int p = name.lastIndexOf('.');
char firstChar = name.charAt(p<0 ? 0 : p+1);
- return Character.isUpperCase(firstChar);
+ return Character.isUpperCase(firstChar) || firstChar == '(';
}
/* Tries to resolve name as a local variable. It is assumed
variable = new Variable(name);
variables.put(name, variable);
existentialFrame.variables.add(name);
- return new EVariable(variable);
+ return new EVariable(location, variable);
}
case '_': {
if(name.length()==1) {
return -1;
}
+ public SCLValue resolveSCLValue(long location, Namespace namespace, String name) throws AmbiguousNameException {
+ SCLValue value = namespace.getValue(name);
+ if(value == null)
+ return null;
+ String deprecatedDescription = value.isDeprecated();
+ if(deprecatedDescription != null)
+ errorLog.logWarning(location, "Deprecated value " + value.getName().name + "." + (deprecatedDescription.isEmpty() ? "" : " " + deprecatedDescription));
+ if(moduleDebugInfo != null)
+ moduleDebugInfo.symbolReferences.add(new SymbolReference(value.getName(), Name.create(compilationContext.module.getName(), definitionName), location));
+ return value;
+ }
+
public Expression resolveValue(long location, Namespace namespace, String name) {
try {
- SCLValue value = namespace.getValue(name);
+ SCLValue value = resolveSCLValue(location, namespace, name);
if(value == null)
return null;
- String deprecatedDescription = value.isDeprecated();
- if(deprecatedDescription != null)
- errorLog.logWarning(location, "Deprecated value " + value.getName().name + "." + (deprecatedDescription.isEmpty() ? "" : " " + deprecatedDescription));
return new EConstant(location, value);
} catch (AmbiguousNameException e) {
if(SCLCompilerConfiguration.ALLOW_OVERLOADING)
public Expression realize() {
EConstant expression = new EConstant(altValue);
expression.location = location;
+ if(moduleDebugInfo != null)
+ moduleDebugInfo.symbolReferences.add(new SymbolReference(altValue.getName(), Name.create(compilationContext.module.getName(), definitionName), location));
return expression;
}
return new EError(location);
}
+ public SCLValue resolveRecordConstructor(long location, String name) throws AmbiguousNameException {
+ return resolveRecordConstructor(location, getEnvironment().getLocalNamespace(), name, 0);
+ }
+
+ public SCLValue resolveRecordConstructor(long location, Namespace namespace, String name, int begin) throws AmbiguousNameException {
+ int end = findSeparator(name, begin);
+ String part = end == -1 ? (begin == 0 ? name : name.substring(begin)) : name.substring(begin, end);
+
+ if(end != -1 && name.charAt(end) == '.') {
+ Namespace childNamespace = namespace.getNamespace(part);
+ if(childNamespace == null)
+ return null;
+ else
+ return resolveRecordConstructor(location, childNamespace, name, end+1);
+ }
+ else
+ return resolveSCLValue(location, namespace, part);
+ }
+
private void reportResolveFailure(long location, Namespace namespace, String name) {
StringBuilder message = new StringBuilder();
message.append("Couldn't resolve ").append(name).append(".");
chrConstraintFrames.add(chrConstraintEntries.size());
}
- public void popCHRConstraintFrame(ArrayList<CHRConstraint> constraints) {
+ public void popCHRConstraintFrame(CHRRuleset ruleset) {
int frame = chrConstraintFrames.removeAt(chrConstraintFrames.size()-1);
int i = chrConstraintEntries.size();
while(i > frame) {
else
newConstraint = chrConstraints.put(entry.name, entry.constraint);
if(newConstraint.implicitlyDeclared)
- constraints.add(newConstraint);
+ ruleset.addConstraint(newConstraint);
}
}
Locations.combine(definitions.get(0).location, definitions.get(definitions.size()-1).location),
cases);
}
-
- public SCLValue getBindFunction() {
- if(bindFunction == null) {
- bindFunction = getEnvironment().getValue(Names.Prelude_bind);
- }
- return bindFunction;
- }
public SCLRelation resolveRelation(long location, String name) {
SCLRelation relation = relations.get(name);
return Environments.getRuleset(environment, name);
}
+ /**
+ * Tells that new existential variables are no longer allowed in this context.
+ */
public void disallowNewExistentials() {
getCurrentExistentialFrame().disallowNewExistentials = true;
}
+
+ /**
+ * Marks that the expression is a result of expanding .. wildcard pattern in records.
+ */
+ public void addExpandedFromWildcard(Expression expression) {
+ if(expandedFromWildcard == null)
+ expandedFromWildcard = new THashSet<>();
+ expandedFromWildcard.add(expression);
+ }
+
+ /**
+ * Asks if the expression is a result of expanding .. wildcard pattern in records.
+ */
+ public boolean isExpandedFromWildcard(Expression expression) {
+ if(expandedFromWildcard == null)
+ return false;
+ else
+ return expandedFromWildcard.contains(expression);
+ }
}