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fix printing bug when graph empty

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2021-01-30 16:59:31 +01:00
parent 70d05ad05f
commit 1326e3b6cc
2 changed files with 8 additions and 0 deletions
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4
src/main/java/codegen/analysis/dataflow/DataFlowGraph.java
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@ -73,6 +73,10 @@ public final class DataFlowGraph {
// Printing // Printing
public String printToImage() { public String printToImage() {
if (this.graph.isEmpty()) {
return "Empty Graph";
}
final StringBuilder dot = new StringBuilder(); final StringBuilder dot = new StringBuilder();
dot.append("digraph dfd {\n") dot.append("digraph dfd {\n")

4
src/main/java/codegen/flowgraph/FlowGraph.java
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@ -153,6 +153,10 @@ public class FlowGraph {
} }
public String printToImage() { public String printToImage() {
if (this.basicBlocks.isEmpty()) {
return "Empty Graph";
}
final StringBuilder dot = new StringBuilder(); final StringBuilder dot = new StringBuilder();
dot.append("digraph dfd {\n") dot.append("digraph dfd {\n")