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Fix undefined behaviour in parser

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Fix undefined behaviour in swig's parser when handling default parameter
expressions containing method calls.

Fixes #2447
This commit is contained in:
Olly Betts 2022-11-25 09:51:58 +13:00
commit 81c6a63898
3 changed files with 11 additions and 5 deletions
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4
Examples/test-suite/default_arg_expressions.i
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@ -29,7 +29,7 @@ struct TfToken {
struct Tokens {
const TfToken face;
const TfToken *pface;
const TfToken& g_face() const { return face; }
const TfToken& g_face(int = 0, int = 0) const { return face; }
const TfToken* g_pface() const { return pface; }
Tokens() : face(), pface(&face) {}
};
@ -68,4 +68,6 @@ void CreateMaterialBindSubsetu(int num = UsdGeomTokensPtr->g_pface()->g_val().g_
void CreateMaterialBindSubsetv(int num = UsdGeomTokensPtr->g_pface()->g_ptr()->g_val()) {}
void CreateMaterialBindSubsetw(int num = UsdGeomTokensPtr->g_face().g_val().g_val()) {}
void CreateMaterialBindSubsetx(int num = UsdGeomTokens.g_face().g_val().g_val()) {}
void CreateMaterialBindSubsety(int num = UsdGeomTokens.g_face(1).g_val().g_val()) {}
void CreateMaterialBindSubsetz(int num = UsdGeomTokens.g_face(1,2).g_val().g_val()) {}
%}