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feat: add WrenValue handle API for persistent object references outside VM

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Introduce WrenValue type and wrenGetArgumentValue/wrenReleaseValue functions to allow C code to hold GC-safe references to Wren objects across foreign calls. Implement doubly-linked list management in VM struct, mark value handles during garbage collection, and add assertion in wrenFreeVM to detect unreleased values. Update test infrastructure with new get_value test case and rename existing test binding functions to camelCase convention.
This commit is contained in:
Bob Nystrom
2015-08-07 05:24:15 +00:00
parent 8468ca7642
commit 592772a97d
13 changed files with 167 additions and 22 deletions
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test/api/main.c
+7 -5
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@@ -5,12 +5,13 @@
#include "vm.h"
#include "wren.h"
#include "get_value/get_value.h"
#include "return_bool/return_bool.h"
#include "return_double/return_double.h"
#include "return_null/return_null.h"
#define REGISTER_TEST(name) \
if (strcmp(testName, #name) == 0) return name##BindForeign(fullName)
#define REGISTER_TEST(name, camelCase) \
if (strcmp(testName, #name) == 0) return camelCase##BindForeign(fullName)
// The name of the currently executing API test.
const char* testName;
@@ -30,9 +31,10 @@ static WrenForeignMethodFn bindForeign(
strcat(fullName, ".");
strcat(fullName, signature);
REGISTER_TEST(return_bool);
REGISTER_TEST(return_double);
REGISTER_TEST(return_null);
REGISTER_TEST(get_value, getValue);
REGISTER_TEST(return_bool, returnBool);
REGISTER_TEST(return_double, returnDouble);
REGISTER_TEST(return_null, returnNull);
fprintf(stderr,
"Unknown foreign method '%s' for test '%s'\n", fullName, testName);