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support abstract signatures

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This commit is contained in:
Erik Krogh Kristensen
2021-02-18 11:52:11 +01:00
parent f385c55f2c
commit 5ae3c5952c
10 changed files with 69 additions and 11 deletions
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18
javascript/extractor/src/com/semmle/ts/extractor/TypeExtractor.java
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@@ -202,18 +202,22 @@ public class TypeExtractor {
private void extractSignature(int index) {
// Format is:
// kind;numTypeParams;requiredParams;restParamType;returnType(;paramName;paramType)*
// kind;isAbstract;numTypeParams;requiredParams;restParamType;returnType(;paramName;paramType)*
String[] parts = split(table.getSignatureString(index));
Label label = trapWriter.globalID("signature;" + index);
int kind = Integer.parseInt(parts[0]);
int numberOfTypeParameters = Integer.parseInt(parts[1]);
int requiredParameters = Integer.parseInt(parts[2]);
String restParamTypeTag = parts[3];
boolean isAbstract = parts[1].equals("t");
if (isAbstract) {
trapWriter.addTuple("is_abstract_signature", label);
}
int numberOfTypeParameters = Integer.parseInt(parts[2]);
int requiredParameters = Integer.parseInt(parts[3]);
String restParamTypeTag = parts[4];
if (!restParamTypeTag.isEmpty()) {
trapWriter.addTuple(
"signature_rest_parameter", label, trapWriter.globalID("type;" + restParamTypeTag));
}
Label returnType = trapWriter.globalID("type;" + parts[4]);
Label returnType = trapWriter.globalID("type;" + parts[5]);
trapWriter.addTuple(
"signature_types",
label,
@@ -222,9 +226,9 @@ public class TypeExtractor {
numberOfTypeParameters,
requiredParameters);
trapWriter.addTuple("signature_contains_type", returnType, label, -1);
int numberOfParameters = (parts.length - 5) / 2; // includes type parameters
int numberOfParameters = (parts.length - 6) / 2; // includes type parameters
for (int i = 0; i < numberOfParameters; ++i) {
int partIndex = 5 + (2 * i);
int partIndex = 6 + (2 * i);
String paramName = parts[partIndex];
String paramTypeId = parts[partIndex + 1];
if (paramTypeId.length() > 0) { // Unconstrained type parameters have an empty type ID.