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fixes #387

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hneemann 2019-11-27 19:39:11 +01:00
parent 8d1defdfe0
commit a624fb4adb
3 changed files with 14 additions and 10 deletions
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2
src/main/java/de/neemann/digital/hdl/model2/optimizations/InlineManyToOne.java
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@ -21,7 +21,7 @@ public class InlineManyToOne implements Optimization {
if (node instanceof HDLNodeAssignment) { if (node instanceof HDLNodeAssignment) {
HDLNodeAssignment assign = (HDLNodeAssignment) node; HDLNodeAssignment assign = (HDLNodeAssignment) node;
final HDLNet net = assign.getTargetNet(); final HDLNet net = assign.getTargetNet();
if (net.getInputs().size() == 1) { if (net != null && net.getInputs().size() == 1) {
HDLNode receiver = net.getInputs().get(0).getParent(); HDLNode receiver = net.getInputs().get(0).getParent();
if (receiver instanceof HDLNodeSplitterManyToOne) { if (receiver instanceof HDLNodeSplitterManyToOne) {
HDLNodeSplitterManyToOne mto = (HDLNodeSplitterManyToOne) receiver; HDLNodeSplitterManyToOne mto = (HDLNodeSplitterManyToOne) receiver;

2
src/main/java/de/neemann/digital/hdl/verilog2/VerilogCreator.java
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@ -265,10 +265,12 @@ public class VerilogCreator {
} }
private void printExpression(HDLNodeAssignment node) throws IOException, HDLException { private void printExpression(HDLNodeAssignment node) throws IOException, HDLException {
if (node.getTargetNet() != null) {
out.print("assign ").print(node.getTargetNet().getName()).print(" = "); out.print("assign ").print(node.getTargetNet().getName()).print(" = ");
printExpression(node.getExpression()); printExpression(node.getExpression());
out.println(";"); out.println(";");
} }
}
private void printExpression(Expression expression) throws IOException, HDLException { private void printExpression(Expression expression) throws IOException, HDLException {
if (expression instanceof ExprVar) if (expression instanceof ExprVar)

2
src/main/java/de/neemann/digital/hdl/vhdl2/VHDLCreator.java
View File

@ -254,10 +254,12 @@ public class VHDLCreator {
} }
private void printExpression(HDLNodeAssignment node) throws IOException, HDLException { private void printExpression(HDLNodeAssignment node) throws IOException, HDLException {
if (node.getTargetNet() != null) {
out.print(node.getTargetNet().getName()).print(" <= "); out.print(node.getTargetNet().getName()).print(" <= ");
printExpression(node.getExpression()); printExpression(node.getExpression());
out.println(";"); out.println(";");
} }
}
private void printExpression(Expression expression) throws IOException, HDLException { private void printExpression(Expression expression) throws IOException, HDLException {
if (expression instanceof ExprVar) if (expression instanceof ExprVar)