christoph/lecture-compilers
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improve graphviz printing

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ChUrl
2021-02-05 14:08:20 +01:00
parent 384c318c18
commit b1d0baa19a
3 changed files with 46 additions and 16 deletions
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14
src/main/java/codegen/analysis/dataflow/DataFlowGraph.java
View File

@ -116,8 +116,8 @@ public final class DataFlowGraph implements Iterable<DataFlowNode> {
.append("}\"];\n");
}
dot.append("START[label=\"START\"];\n")
.append("END[label=\"END\"];\n");
dot.append("START[label=\"START\" shape=box];\n")
.append("END[label=\"END\" shape=box];\n");
dot.append("START -> \"").append(this.dataFlowNodes.get(0).getId()).append("\";\n");
dot.append("\"").append(this.dataFlowNodes.get(this.dataFlowNodes.size() - 1).getId()).append("\" -> END;\n");
@ -129,6 +129,16 @@ public final class DataFlowGraph implements Iterable<DataFlowNode> {
}
}
for (DataFlowNode node : this.dataFlowNodes) {
dot.append("{ rank=same; ");
for (DataFlowNode successor : node.getSuccessorSet()) {
dot.append("\"").append(successor.getId()).append("\", ");
}
dot.deleteCharAt(dot.lastIndexOf(","));
dot.append("}\n");
}
dot.append("}");
GraphvizCaller.callGraphviz(dot, "DataFlowGraph");

38
src/main/java/codegen/flowgraph/FlowGraph.java
View File

@ -204,10 +204,6 @@ public class FlowGraph implements Iterable<FlowBasicBlock> {
public String printToImage() {
final Optional<FlowBasicBlock> currentBlock = this.getCurrentBlock();
if (this.basicBlocks.isEmpty() || currentBlock.isEmpty()) {
return "Can't export empty graph: FlowGraph.svg";
}
final StringBuilder dot = new StringBuilder();
dot.append("digraph dfd {\n")
@ -225,18 +221,36 @@ public class FlowGraph implements Iterable<FlowBasicBlock> {
.append("}\"];\n");
}
dot.append("START[label=\"START\"];\n")
.append("END[label=\"END\"];\n");
dot.append("START[label=\"START\" shape=box];\n")
.append("END[label=\"END\" shape=box];\n");
dot.append("START -> \"").append(this.basicBlocks.get(0).getId()).append("\";\n");
dot.append("\"").append(currentBlock.get().getId()).append("\" -> END;\n");
for (FlowBasicBlock block : this.basicBlocks) {
// Successors
if (!this.basicBlocks.isEmpty() && currentBlock.isPresent()) {
for (FlowBasicBlock successor : block.getBlockSuccessorSet()) {
dot.append("\"").append(block.getId()).append("\" -> \"").append(successor.getId()).append("\";\n");
dot.append("START -> \"").append(this.basicBlocks.get(0).getId()).append("\";\n");
dot.append("\"").append(currentBlock.get().getId()).append("\" -> END;\n");
for (FlowBasicBlock block : this.basicBlocks) {
// Successors
for (FlowBasicBlock successor : block.getBlockSuccessorSet()) {
dot.append("\"").append(block.getId()).append("\" -> \"").append(successor.getId()).append("\";\n");
}
}
for (FlowBasicBlock block : this.basicBlocks) {
dot.append("{ rank=same; ");
for (FlowBasicBlock successor : block.getBlockSuccessorSet()) {
dot.append("\"").append(successor.getId()).append("\", ");
}
dot.deleteCharAt(dot.lastIndexOf(","));
dot.append("}\n");
}
} else {
// Main-method is empty
dot.append("START -> END");
}
dot.append("}");

10
src/main/java/parser/ast/SyntaxTree.java
View File

@ -67,9 +67,15 @@ public class SyntaxTree {
dot.append("\"").append(current.getId()).append("\"")
.append(" [label=\"{<f0> ")
.append(current.getName())
.append(current.getName()
.replace("\"", "\\\"")
.replace("<", "less")
.replace(">", "greater"))
.append("|<f1> ")
.append(current.getValue())
.append(current.getValue()
.replace("\"", "\\\"")
.replace("<", "less")
.replace(">", "greater"))
.append("}\"];\n");
current.getChildren().forEach(stack::push);