-package org.simantics.scl.compiler.elaboration.expressions;\r
-\r
-import org.simantics.scl.compiler.common.exceptions.InternalCompilerError;\r
-import org.simantics.scl.compiler.elaboration.contexts.SimplificationContext;\r
-import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;\r
-import org.simantics.scl.compiler.elaboration.contexts.TypingContext;\r
-import org.simantics.scl.compiler.environment.Environment;\r
-import org.simantics.scl.compiler.errors.Locations;\r
-import org.simantics.scl.compiler.internal.codegen.references.IVal;\r
-import org.simantics.scl.compiler.internal.codegen.writer.CodeWriter;\r
-import org.simantics.scl.compiler.internal.elaboration.utils.ExpressionDecorator;\r
-import org.simantics.scl.compiler.types.Type;\r
-import org.simantics.scl.compiler.types.Types;\r
-import org.simantics.scl.compiler.types.exceptions.MatchException;\r
-import org.simantics.scl.compiler.types.util.MultiFunction;\r
-\r
-import gnu.trove.map.hash.TObjectIntHashMap;\r
-import gnu.trove.set.hash.THashSet;\r
-import gnu.trove.set.hash.TIntHashSet;\r
-\r
-public class EViewPattern extends Expression {\r
- public Expression expression;\r
- public Expression pattern;\r
- \r
- public EViewPattern(Expression expression, Expression pattern) {\r
- this.expression = expression;\r
- this.pattern = pattern;\r
- }\r
-\r
- @Override\r
- public void collectRefs(TObjectIntHashMap<Object> allRefs, TIntHashSet refs) {\r
- expression.collectRefs(allRefs, refs);\r
- pattern.collectRefs(allRefs, refs);\r
- }\r
-\r
- @Override\r
- public void collectVars(TObjectIntHashMap<Variable> allVars, TIntHashSet vars) {\r
- expression.collectVars(allVars, vars);\r
- pattern.collectVars(allVars, vars);\r
- }\r
-\r
- @Override\r
- public void forVariables(VariableProcedure procedure) {\r
- expression.forVariables(procedure);\r
- pattern.forVariables(procedure);\r
- }\r
- \r
- @Override\r
- public Expression inferType(TypingContext context) {\r
- context.setInPattern(false);\r
- expression = expression.inferType(context);\r
- context.setInPattern(true);\r
- MultiFunction mfun;\r
- try {\r
- mfun = Types.matchFunction(expression.getType(), 1);\r
- } catch (MatchException e) {\r
- context.getErrorLog().log(expression.location, "Expected a function as a transformation expression.");\r
- return new EError(location);\r
- }\r
- setType(mfun.parameterTypes[0]);\r
- pattern.checkType(context, mfun.returnType);\r
- return this;\r
- }\r
-\r
- @Override\r
- protected void updateType() throws MatchException {\r
- MultiFunction mfun = Types.matchFunction(expression.getType(), 1);\r
- setType(mfun.parameterTypes[0]);\r
- }\r
-\r
- @Override\r
- public IVal toVal(Environment env, CodeWriter w) {\r
- throw new InternalCompilerError(location, "EViewPattern.toVal should not be invoked.");\r
- }\r
-\r
- @Override\r
- public void collectFreeVariables(THashSet<Variable> vars) {\r
- throw new InternalCompilerError(location, "Cannot collect free variables for a pattern.");\r
- }\r
- \r
- @Override\r
- public void removeFreeVariables(THashSet<Variable> vars) {\r
- expression.collectFreeVariables(vars);\r
- pattern.removeFreeVariables(vars);\r
- }\r
-\r
- @Override\r
- public Expression resolve(TranslationContext context) {\r
- context.getErrorLog().log("View pattern cannot occur only in patterns. Maybe you are missing '\\' in front of a lambda experssion?");\r
- return new EError(location);\r
- }\r
-\r
- @Override\r
- public Expression resolveAsPattern(TranslationContext context) {\r
- expression = expression.resolve(context);\r
- pattern = pattern.resolveAsPattern(context);\r
- return this;\r
- }\r
- \r
- @Override\r
- public void setLocationDeep(long loc) {\r
- if(location == Locations.NO_LOCATION) {\r
- location = loc; \r
- expression.setLocationDeep(loc);\r
- pattern.setLocationDeep(loc);\r
- }\r
- }\r
-\r
- @Override\r
- public Expression decorate(ExpressionDecorator decorator) {\r
- expression = expression.decorate(decorator);\r
- return this;\r
- }\r
-\r
- @Override\r
- public void collectEffects(THashSet<Type> effects) {\r
- expression.collectEffects(effects);\r
- }\r
-\r
- @Override\r
- public void accept(ExpressionVisitor visitor) {\r
- visitor.visit(this);\r
- }\r
-\r
- @Override\r
- public Expression accept(ExpressionTransformer transformer) {\r
- return transformer.transform(this);\r
- }\r
- \r
- @Override\r
- public Expression simplify(SimplificationContext context) {\r
- expression = expression.simplify(context);\r
- pattern = pattern.simplify(context);\r
- return this;\r
- }\r
-\r
-}\r
+package org.simantics.scl.compiler.elaboration.expressions;
+
+import org.simantics.scl.compiler.common.exceptions.InternalCompilerError;
+import org.simantics.scl.compiler.compilation.CompilationContext;
+import org.simantics.scl.compiler.elaboration.contexts.SimplificationContext;
+import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;
+import org.simantics.scl.compiler.elaboration.contexts.TypingContext;
+import org.simantics.scl.compiler.errors.Locations;
+import org.simantics.scl.compiler.internal.codegen.references.IVal;
+import org.simantics.scl.compiler.internal.codegen.writer.CodeWriter;
+import org.simantics.scl.compiler.internal.elaboration.utils.ExpressionDecorator;
+import org.simantics.scl.compiler.types.Type;
+import org.simantics.scl.compiler.types.Types;
+import org.simantics.scl.compiler.types.exceptions.MatchException;
+import org.simantics.scl.compiler.types.util.MultiFunction;
+
+import gnu.trove.map.hash.TObjectIntHashMap;
+import gnu.trove.set.hash.THashSet;
+import gnu.trove.set.hash.TIntHashSet;
+
+public class EViewPattern extends Expression {
+ public Expression expression;
+ public Expression pattern;
+
+ public EViewPattern(Expression expression, Expression pattern) {
+ this.expression = expression;
+ this.pattern = pattern;
+ }
+
+ @Override
+ public void collectRefs(TObjectIntHashMap<Object> allRefs, TIntHashSet refs) {
+ expression.collectRefs(allRefs, refs);
+ pattern.collectRefs(allRefs, refs);
+ }
+
+ @Override
+ public void collectVars(TObjectIntHashMap<Variable> allVars, TIntHashSet vars) {
+ expression.collectVars(allVars, vars);
+ pattern.collectVars(allVars, vars);
+ }
+
+ @Override
+ public void forVariables(VariableProcedure procedure) {
+ expression.forVariables(procedure);
+ pattern.forVariables(procedure);
+ }
+
+ @Override
+ public Expression inferType(TypingContext context) {
+ context.setInPattern(false);
+ expression = expression.inferType(context);
+ context.setInPattern(true);
+ MultiFunction mfun;
+ try {
+ mfun = Types.matchFunction(expression.getType(), 1);
+ } catch (MatchException e) {
+ context.getErrorLog().log(expression.location, "Expected a function as a transformation expression.");
+ return new EError(location);
+ }
+ setType(mfun.parameterTypes[0]);
+ pattern.checkType(context, mfun.returnType);
+ return this;
+ }
+
+ @Override
+ protected void updateType() throws MatchException {
+ MultiFunction mfun = Types.matchFunction(expression.getType(), 1);
+ setType(mfun.parameterTypes[0]);
+ }
+
+ @Override
+ public IVal toVal(CompilationContext context, CodeWriter w) {
+ throw new InternalCompilerError(location, "EViewPattern.toVal should not be invoked.");
+ }
+
+ @Override
+ public void collectFreeVariables(THashSet<Variable> vars) {
+ throw new InternalCompilerError(location, "Cannot collect free variables for a pattern.");
+ }
+
+ @Override
+ public void removeFreeVariables(THashSet<Variable> vars) {
+ expression.collectFreeVariables(vars);
+ pattern.removeFreeVariables(vars);
+ }
+
+ @Override
+ public Expression resolve(TranslationContext context) {
+ context.getErrorLog().log("View pattern cannot occur only in patterns. Maybe you are missing '\\' in front of a lambda experssion?");
+ return new EError(location);
+ }
+
+ @Override
+ public Expression resolveAsPattern(TranslationContext context) {
+ expression = expression.resolve(context);
+ pattern = pattern.resolveAsPattern(context);
+ return this;
+ }
+
+ @Override
+ public void setLocationDeep(long loc) {
+ if(location == Locations.NO_LOCATION) {
+ location = loc;
+ expression.setLocationDeep(loc);
+ pattern.setLocationDeep(loc);
+ }
+ }
+
+ @Override
+ public Expression decorate(ExpressionDecorator decorator) {
+ expression = expression.decorate(decorator);
+ return this;
+ }
+
+ @Override
+ public void collectEffects(THashSet<Type> effects) {
+ expression.collectEffects(effects);
+ }
+
+ @Override
+ public void accept(ExpressionVisitor visitor) {
+ visitor.visit(this);
+ }
+
+ @Override
+ public Expression accept(ExpressionTransformer transformer) {
+ return transformer.transform(this);
+ }
+
+ @Override
+ public Expression simplify(SimplificationContext context) {
+ expression = expression.simplify(context);
+ pattern = pattern.simplify(context);
+ return this;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff