Class: StackFrames::Buffer

Inherits:
Object
  • Object
show all
Defined in:
ext/stack_frames/buffer.c

Instance Method Summary collapse

Constructor Details

#initialize(size) ⇒ Object 



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# File 'ext/stack_frames/buffer.c', line 50

static VALUE buffer_initialize(VALUE self, VALUE size) {
    int capacity = NUM2INT(size);
    buffer_t *buffer;

    if (capacity <= 0) {
        rb_raise(rb_eArgError, "non-positive buffer capacity");
    }

    TypedData_Get_Struct(self, buffer_t, &buffer_data_type, buffer);
    buffer->profile_frames = ALLOC_N(VALUE, capacity);
    buffer->lines = ALLOC_N(int, capacity);
    buffer->frames = ALLOC_N(VALUE, capacity);

    buffer->capacity = 0;
    for (int i = 0; i < capacity; i++) {
        buffer->frames[i] = stack_frame_new(self, i);
        buffer->capacity++;
    }
    return Qnil;
}

Instance Method Details

#[](ruby_index) ⇒ Object 



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# File 'ext/stack_frames/buffer.c', line 93

static VALUE buffer_aref(VALUE self, VALUE ruby_index) {
    buffer_t *buffer;
    int index = NUM2INT(ruby_index);

    TypedData_Get_Struct(self, buffer_t, &buffer_data_type, buffer);
    if (index >= 0 && index < buffer->length) {
        return buffer->frames[index];
    }
    return Qnil;
}

#capacity ⇒ Object 



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# File 'ext/stack_frames/buffer.c', line 86

static VALUE buffer_capacity(VALUE self) {
    buffer_t *buffer;

    TypedData_Get_Struct(self, buffer_t, &buffer_data_type, buffer);
    return INT2NUM(buffer->capacity);
}

#capture ⇒ Object 



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# File 'ext/stack_frames/buffer.c', line 71

static VALUE buffer_capture(VALUE self) {
    buffer_t *buffer;

    TypedData_Get_Struct(self, buffer_t, &buffer_data_type, buffer);
    buffer->length = rb_profile_frames(0, buffer->capacity, buffer->profile_frames, buffer->lines);
    return INT2NUM(buffer->length);
}

#each ⇒ Object 



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# File 'ext/stack_frames/buffer.c', line 104

static VALUE buffer_each(VALUE self) {
    buffer_t *buffer;

    TypedData_Get_Struct(self, buffer_t, &buffer_data_type, buffer);
    for (int i = 0; i < buffer->length; i++) {
        rb_yield(buffer->frames[i]);
    }
    return Qnil;
}

#find ⇒ Object 



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# File 'ext/stack_frames/buffer.c', line 114

static VALUE buffer_find(VALUE self) {
    buffer_t *buffer;

    TypedData_Get_Struct(self, buffer_t, &buffer_data_type, buffer);
    for (int i = 0; i < buffer->length; i++) {
        VALUE frame = buffer->frames[i];
        if (RTEST(rb_yield(frame))) {
            return frame;
        }
    }
    return Qnil;
}

#length ⇒ Object 



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# File 'ext/stack_frames/buffer.c', line 79

static VALUE buffer_length(VALUE self) {
    buffer_t *buffer;

    TypedData_Get_Struct(self, buffer_t, &buffer_data_type, buffer);
    return INT2NUM(buffer->length);
}