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Fixed JavaScript assignment operators generating error statements #250

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merged 3 commits into from
May 18, 2024
Merged

Fixed JavaScript assignment operators generating error statements #250

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962bdc1
Fixed JavaScript assignment operators generating error statements and…
May 7, 2024
bbc407b
Add logic to generate objectProperty and indexNode
May 15, 2024
d7b9975
Updates keep the code style consistent
May 15, 2024
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26 changes: 22 additions & 4 deletions examples/src/main/java/edu/berkeley/cs/jqf/examples/js/JavaScriptCodeGenerator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -68,12 +68,18 @@ public JavaScriptCodeGenerator() {
};

private static final String[] BINARY_TOKENS = {
"!=", "!==", "%", "%=", "&", "&&", "&=", "*", "*=", "+", "+=", ",",
"-", "-=", "/", "/=", "<", "<<", ">>=", "<=", "=", "==", "===",
">", ">=", ">>", ">>=", ">>>", ">>>=", "^", "^=", "|", "|=", "||",
"!=", "!==", "%", "&", "&&", "*", "+", ",",
"-", "/", "<", "<<", "<=", "=", "==", "===",
">", ">=", ">>", ">>>", "^", "|", "||",
"in", "instanceof"
};

private static final String[] ASSIGNMENT_TOKENS = {
"=", "+=", "-=", "*=", "/=", "%=", "**=", "<<=", ">>=", ">>>=", "&=", "^=", "|=", "&&=",
"||=", "??=",
};


@Override
public String generate(SourceOfRandomness random, GenerationStatus status) {
this.status = status;
Expand Down Expand Up @@ -117,7 +123,8 @@ private String generateExpression(SourceOfRandomness random) {
this::generateFunctionNode,
this::generatePropertyNode,
this::generateIndexNode,
this::generateArrowFunctionNode
this::generateArrowFunctionNode,
this::generateAssignmentNode
)).apply(random);
}
expressionDepth--;
Expand Down Expand Up @@ -330,4 +337,15 @@ private String generateVarNode(SourceOfRandomness random) {
private String generateWhileNode(SourceOfRandomness random) {
return "while (" + generateExpression(random) + ")" + generateBlock(random);
}

private String generateAssignmentNode(SourceOfRandomness random) {
String token = random.choose(ASSIGNMENT_TOKENS);
String lhs = random.choose(Arrays.<Function<SourceOfRandomness, String>>asList(
this::generateIdentNode,
this::generateIndexNode,
this::generatePropertyNode
)).apply(random);
String rhs = generateExpression(random);
return lhs + " " + token + " " + rhs + ";";
}
}
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