1 package org.simantics.scl.compiler.elaboration.expressions;
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4 import org.simantics.scl.compiler.common.exceptions.InternalCompilerError;
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5 import org.simantics.scl.compiler.common.names.Names;
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6 import org.simantics.scl.compiler.constants.DoubleConstant;
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7 import org.simantics.scl.compiler.constants.FloatConstant;
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8 import org.simantics.scl.compiler.constants.IntegerConstant;
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9 import org.simantics.scl.compiler.constants.LongConstant;
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10 import org.simantics.scl.compiler.elaboration.contexts.ReplaceContext;
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11 import org.simantics.scl.compiler.elaboration.contexts.SimplificationContext;
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12 import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;
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13 import org.simantics.scl.compiler.elaboration.contexts.TypingContext;
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14 import org.simantics.scl.compiler.errors.Locations;
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15 import org.simantics.scl.compiler.internal.elaboration.utils.ExpressionDecorator;
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16 import org.simantics.scl.compiler.types.Type;
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17 import org.simantics.scl.compiler.types.Types;
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18 import org.simantics.scl.compiler.types.exceptions.MatchException;
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20 import gnu.trove.map.hash.TObjectIntHashMap;
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21 import gnu.trove.set.hash.THashSet;
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22 import gnu.trove.set.hash.TIntHashSet;
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24 public class EIntegerLiteral extends SimplifiableExpression {
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25 public String value;
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26 EVariable constraint;
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28 public EIntegerLiteral(String value) {
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33 public void collectRefs(TObjectIntHashMap<Object> allRefs,
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38 public void collectVars(TObjectIntHashMap<Variable> allVars,
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42 public String getValue() {
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46 private Expression tryToConvertToPrimitive(Type requiredType) {
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47 if(requiredType.equals(Types.INTEGER))
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48 return new ELiteral(new IntegerConstant(Integer.parseInt(value)));
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49 else if(requiredType.equals(Types.DOUBLE))
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50 return new ELiteral(new DoubleConstant(Double.parseDouble(value)));
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51 else if(requiredType.equals(Types.FLOAT))
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52 return new ELiteral(new FloatConstant(Float.parseFloat(value)));
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53 else if(requiredType.equals(Types.LONG))
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54 return new ELiteral(new LongConstant(Long.parseLong(value)));
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60 public Expression checkBasicType(TypingContext context, Type requiredType) {
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61 requiredType = Types.canonical(requiredType);
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64 Expression primitive = tryToConvertToPrimitive(requiredType);
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65 if(primitive != null)
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67 } catch(NumberFormatException e) {
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68 context.getErrorLog().log(getLocation(), "Invalid number format.");
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71 setType(requiredType);
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72 constraint = new EVariable(location, null);
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73 constraint.setType(Types.pred(Types.RING, requiredType));
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74 context.addConstraintDemand(constraint);
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79 protected void updateType() throws MatchException {
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80 throw new InternalCompilerError();
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84 public void collectFreeVariables(THashSet<Variable> vars) {
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88 public Expression simplify(SimplificationContext context) {
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90 Expression primitive = tryToConvertToPrimitive(Types.canonical(getType()));
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91 if(primitive != null)
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93 return context.apply(
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94 context.getConstant(Names.Prelude_fromInteger, getType()),
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95 constraint.simplify(context),
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96 context.literal(new IntegerConstant(Integer.parseInt(value)))
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98 } catch(NumberFormatException e) {
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99 context.getErrorLog().log(getLocation(), "Invalid number format (maybe too long for the expected number type).");
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105 public Expression resolve(TranslationContext context) {
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110 public Expression resolveAsPattern(TranslationContext context) {
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115 public Expression replace(ReplaceContext context) {
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116 EIntegerLiteral copy = new EIntegerLiteral(value);
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117 copy.setType(getType().replace(context.tvarMap));
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118 copy.constraint = (EVariable)constraint.replace(context);
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123 public Expression decorate(ExpressionDecorator decorator) {
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124 return decorator.decorate(this);
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128 public boolean isEffectful() {
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133 public void collectEffects(THashSet<Type> effects) {
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137 public void setLocationDeep(long loc) {
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138 if(location == Locations.NO_LOCATION) {
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140 if(constraint != null)
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141 constraint.setLocationDeep(loc);
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146 public void accept(ExpressionVisitor visitor) {
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147 visitor.visit(this);
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151 public void forVariables(VariableProcedure procedure) {
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152 if(constraint != null)
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153 constraint.forVariables(procedure);
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157 public boolean isPattern(int arity) {
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162 public Expression accept(ExpressionTransformer transformer) {
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163 return transformer.transform(this);
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