christoph/lecture-compilers
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fix empty file case

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2021-01-22 22:07:16 +01:00
parent c99de7dcc5
commit 88eae33df4
1 changed files with 4 additions and 0 deletions
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4
src/main/java/codegen/CodeGenerator.java
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@ -118,6 +118,10 @@ public final class CodeGenerator {
} }
public StringBuilder generateCode(String source) { public StringBuilder generateCode(String source) {
if (!this.tree.getRoot().hasChildren()) {
throw new CodeGenerationException("Empty File can't be compiled");
}
this.generateHeader(source); this.generateHeader(source);
this.generateConstructor(); this.generateConstructor();
this.generateMain(); this.generateMain();