-package org.simantics.scl.compiler.elaboration.expressions;\r
-\r
-import gnu.trove.map.hash.TObjectIntHashMap;\r
-import gnu.trove.set.hash.THashSet;\r
-import gnu.trove.set.hash.TIntHashSet;\r
-\r
-import org.simantics.scl.compiler.elaboration.contexts.ReplaceContext;\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.errors.Locations;\r
-import org.simantics.scl.compiler.internal.elaboration.utils.ExpressionDecorator;\r
-import org.simantics.scl.compiler.internal.parsing.Symbol;\r
-import org.simantics.scl.compiler.types.Type;\r
-\r
-public class Case extends Symbol {\r
- public Expression[] patterns;\r
- public Expression value;\r
- \r
- long lhs;\r
- \r
- public Case(Expression[] patterns, Expression value) {\r
- this.patterns = patterns;\r
- this.value = value;\r
- }\r
- \r
- public Case(Expression pattern, Expression value) {\r
- this(new Expression[] {pattern}, value);\r
- }\r
-\r
- public void setLhs(long lhs) {\r
- this.lhs = lhs;\r
- }\r
- \r
- public long getLhs() {\r
- return lhs;\r
- }\r
-\r
- public void collectRefs(TObjectIntHashMap<Object> allRefs, TIntHashSet refs) {\r
- value.collectRefs(allRefs, refs);\r
- }\r
-\r
- public void collectVars(TObjectIntHashMap<Variable> allVars,\r
- TIntHashSet vars) {\r
- value.collectVars(allVars, vars);\r
- }\r
-\r
- public void collectFreeVariables(THashSet<Variable> vars) {\r
- value.collectFreeVariables(vars);\r
- for(int i=patterns.length-1;i>=0;--i)\r
- patterns[i].removeFreeVariables(vars);\r
- }\r
-\r
- public void resolve(TranslationContext context) {\r
- context.pushFrame();\r
- for(int i=0;i<patterns.length;++i)\r
- patterns[i] = patterns[i].resolveAsPattern(context);\r
- value = value.resolve(context);\r
- context.popFrame();\r
- }\r
-\r
- public void simplify(SimplificationContext context) {\r
- for(int i=0;i<patterns.length;++i)\r
- patterns[i] = patterns[i].simplify(context);\r
- value = value.simplify(context);\r
- }\r
-\r
- public void setLocationDeep(long loc) {\r
- if(location == Locations.NO_LOCATION) {\r
- location = loc;\r
- for(Expression pattern : patterns)\r
- pattern.setLocationDeep(loc);\r
- value.setLocationDeep(loc);\r
- }\r
- }\r
-\r
- public Case replace(ReplaceContext context) {\r
- Expression[] newPatterns = new Expression[patterns.length]; \r
- for(int i=0;i<patterns.length;++i)\r
- newPatterns[i] = patterns[i].replaceInPattern(context);\r
- Expression newValue = value.replace(context);\r
- Case result = new Case(newPatterns, newValue);\r
- result.setLhs(lhs);\r
- return result;\r
- }\r
-\r
- public Expression[] getPatterns() {\r
- return patterns;\r
- }\r
-\r
- public void checkType(TypingContext context, Type[] parameterTypes,\r
- Type requiredType) {\r
- if(patterns.length != parameterTypes.length) {\r
- context.getErrorLog().log(location, "This case has different arity ("+patterns.length+\r
- ") than than the first case (+"+parameterTypes.length+"+).");\r
- return;\r
- }\r
- for(int i=0;i<patterns.length;++i)\r
- patterns[i] = patterns[i].checkTypeAsPattern(context, parameterTypes[i]);\r
- value = value.checkType(context, requiredType);\r
- }\r
- \r
- public void decorate(ExpressionDecorator decorator) {\r
- for(int i=0;i<patterns.length;++i)\r
- patterns[i] = patterns[i].decorate(decorator);\r
- value = value.decorate(decorator);\r
- }\r
-\r
- public void forVariables(VariableProcedure procedure) {\r
- value.forVariables(procedure);\r
- }\r
-}\r
+package org.simantics.scl.compiler.elaboration.expressions;
+
+import org.simantics.scl.compiler.elaboration.contexts.ReplaceContext;
+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.parsing.Symbol;
+import org.simantics.scl.compiler.types.Type;
+
+import gnu.trove.map.hash.TObjectIntHashMap;
+import gnu.trove.set.hash.THashSet;
+import gnu.trove.set.hash.TIntHashSet;
+
+public class Case extends Symbol {
+ public Expression[] patterns;
+ public Expression value;
+
+ long lhs;
+
+ public Case(Expression[] patterns, Expression value) {
+ this.patterns = patterns;
+ this.value = value;
+ }
+
+ public Case(Expression pattern, Expression value) {
+ this(new Expression[] {pattern}, value);
+ }
+
+ public void setLhs(long lhs) {
+ this.lhs = lhs;
+ }
+
+ public long getLhs() {
+ return lhs;
+ }
+
+ public void collectVars(TObjectIntHashMap<Variable> allVars,
+ TIntHashSet vars) {
+ value.collectVars(allVars, vars);
+ }
+
+ public void collectFreeVariables(THashSet<Variable> vars) {
+ value.collectFreeVariables(vars);
+ for(int i=patterns.length-1;i>=0;--i)
+ patterns[i].removeFreeVariables(vars);
+ }
+
+ public void resolve(TranslationContext context) {
+ context.pushFrame();
+ for(int i=0;i<patterns.length;++i)
+ patterns[i] = patterns[i].resolveAsPattern(context);
+ value = value.resolve(context);
+ context.popFrame();
+ }
+
+ public void simplify(SimplificationContext context) {
+ for(int i=0;i<patterns.length;++i)
+ patterns[i] = patterns[i].simplify(context);
+ value = value.simplify(context);
+ }
+
+ public void setLocationDeep(long loc) {
+ if(location == Locations.NO_LOCATION) {
+ location = loc;
+ for(Expression pattern : patterns)
+ pattern.setLocationDeep(loc);
+ value.setLocationDeep(loc);
+ }
+ }
+
+ public Case replace(ReplaceContext context) {
+ Expression[] newPatterns = new Expression[patterns.length];
+ for(int i=0;i<patterns.length;++i)
+ newPatterns[i] = patterns[i].replaceInPattern(context);
+ Expression newValue = value.replace(context);
+ Case result = new Case(newPatterns, newValue);
+ result.setLhs(lhs);
+ return result;
+ }
+
+ public Expression[] getPatterns() {
+ return patterns;
+ }
+
+ public void checkType(TypingContext context, Type[] parameterTypes,
+ Type requiredType) {
+ if(patterns.length != parameterTypes.length) {
+ context.getErrorLog().log(location, "This case has different arity ("+patterns.length+
+ ") than than the first case (+"+parameterTypes.length+"+).");
+ return;
+ }
+ for(int i=0;i<patterns.length;++i)
+ patterns[i] = patterns[i].checkTypeAsPattern(context, parameterTypes[i]);
+ value = value.checkType(context, requiredType);
+ }
+
+ public void checkIgnoredType(TypingContext context, Type[] parameterTypes) {
+ if(patterns.length != parameterTypes.length) {
+ context.getErrorLog().log(location, "This case has different arity ("+patterns.length+
+ ") than than the first case (+"+parameterTypes.length+"+).");
+ return;
+ }
+ for(int i=0;i<patterns.length;++i)
+ patterns[i] = patterns[i].checkTypeAsPattern(context, parameterTypes[i]);
+ value = value.checkIgnoredType(context);
+ }
+}
Code Review / simantics / platform.git / blobdiff