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authorJo-Philipp Wich <jo@mein.io>2021-07-10 14:03:22 +0200
committerJo-Philipp Wich <jo@mein.io>2021-07-11 15:49:14 +0200
commite5e7e6277cc757475ad192f70a4b200778e1d8ee (patch)
treea6bcafa791b3cfc98a0be2f550a09bff079b61a4 /include/ucode/lib.h
parentff6168a8901adcf84fbeda86f3f25fae7dff609b (diff)
treewide: move header files into dedicated directory
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Diffstat (limited to 'include/ucode/lib.h')
-rw-r--r--include/ucode/lib.h132
1 files changed, 132 insertions, 0 deletions
diff --git a/include/ucode/lib.h b/include/ucode/lib.h
new file mode 100644
index 0000000..7eeae9f
--- /dev/null
+++ b/include/ucode/lib.h
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2020-2021 Jo-Philipp Wich <jo@mein.io>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __LIB_H_
+#define __LIB_H_
+
+#include "vm.h"
+#include "lexer.h"
+
+typedef struct {
+ const char *name;
+ uc_cfn_ptr_t func;
+} uc_cfunction_list_t;
+
+extern const uc_cfunction_list_t uc_stdlib_functions[];
+
+void uc_load_stdlib(uc_value_t *scope);
+
+bool format_source_context(uc_stringbuf_t *buf, uc_source_t *src, size_t off, bool compact);
+bool format_error_context(uc_stringbuf_t *buf, uc_source_t *src, uc_value_t *stacktrace, size_t off);
+
+
+/* vm helper */
+
+static inline void *
+_uc_get_self(uc_vm_t *vm, const char *expected_type)
+{
+ return ucv_ressource_dataptr(vm->callframes.entries[vm->callframes.count - 1].ctx, expected_type);
+}
+
+#define uc_get_self(...) _uc_get_self(vm, __VA_ARGS__)
+
+static inline uc_value_t *
+_uc_get_arg(uc_vm_t *vm, size_t nargs, size_t n)
+{
+ if (n >= nargs)
+ return NULL;
+
+ return uc_vm_stack_peek(vm, nargs - n - 1);
+}
+
+#define uc_get_arg(...) _uc_get_arg(vm, nargs, __VA_ARGS__)
+
+#define uc_call(nargs) uc_vm_call(vm, false, nargs)
+#define uc_push_val(val) uc_vm_stack_push(vm, val)
+#define uc_pop_val() uc_vm_stack_pop(vm)
+
+
+/* value helper */
+
+static inline uc_value_t *
+uc_alloc_ressource(uc_ressource_type_t *type, void *data)
+{
+ return ucv_ressource_new(type, data);
+}
+
+static inline uc_type_t
+uc_to_number(uc_value_t *v, int64_t *n, double *d)
+{
+ return uc_cast_number(v, n, d);
+}
+
+static inline double
+uc_to_double(uc_value_t *v)
+{
+ int64_t n;
+ double d;
+
+ return (uc_cast_number(v, &n, &d) == UC_DOUBLE) ? d : (double)n;
+}
+
+static inline int64_t
+uc_to_int64(uc_value_t *v)
+{
+ int64_t n;
+ double d;
+
+ return (uc_cast_number(v, &n, &d) == UC_DOUBLE) ? (int64_t)d : n;
+}
+
+
+/* ressource type helper */
+
+static inline uc_ressource_type_t *
+_uc_declare_type(uc_vm_t *vm, const char *name, const uc_cfunction_list_t *list, size_t len, void (*freefn)(void *))
+{
+ uc_value_t *proto = ucv_object_new(NULL);
+
+ while (len-- > 0)
+ ucv_object_add(proto, list[len].name,
+ ucv_cfunction_new(list[len].name, list[len].func));
+
+ return ucv_ressource_type_add(vm, name, proto, freefn);
+}
+
+#define uc_declare_type(vm, name, functions, freefn) \
+ _uc_declare_type(vm, name, functions, ARRAY_SIZE(functions), freefn)
+
+
+/* function helper */
+
+#define uc_add_function(object, name, function) \
+ ucv_object_add(object, name, ucv_cfunction_new(name, function))
+
+static inline bool
+_uc_add_functions(uc_value_t *object, const uc_cfunction_list_t *list, size_t len)
+{
+ bool rv = true;
+
+ while (len-- > 0)
+ rv &= uc_add_function(object, list[len].name, list[len].func);
+
+ return rv;
+}
+
+#define uc_add_functions(object, functions) \
+ _uc_add_functions(object, functions, ARRAY_SIZE(functions))
+
+#endif /* __LIB_H_ */