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/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "debugger.h"
#include "jcontext.h"
#include "jerryscript.h"
/**
* Checks whether the debugger is connected.
*
* @return true - if the debugger is connected
* false - otherwise
*/
bool
jerry_debugger_is_connected (void)
{
#ifdef JERRY_DEBUGGER
return JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED;
#else /* !JERRY_DEBUGGER */
return false;
#endif /* JERRY_DEBUGGER */
} /* jerry_debugger_is_connected */
/**
* Stop execution at the next available breakpoint.
*/
void
jerry_debugger_stop (void)
{
#ifdef JERRY_DEBUGGER
if ((JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED)
&& !(JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_BREAKPOINT_MODE))
{
JERRY_DEBUGGER_SET_FLAGS (JERRY_DEBUGGER_VM_STOP);
JERRY_CONTEXT (debugger_stop_context) = NULL;
}
#endif /* JERRY_DEBUGGER */
} /* jerry_debugger_stop */
/**
* Continue execution.
*/
void
jerry_debugger_continue (void)
{
#ifdef JERRY_DEBUGGER
if ((JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED)
&& !(JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_BREAKPOINT_MODE))
{
JERRY_DEBUGGER_CLEAR_FLAGS (JERRY_DEBUGGER_VM_STOP);
JERRY_CONTEXT (debugger_stop_context) = NULL;
}
#endif /* JERRY_DEBUGGER */
} /* jerry_debugger_continue */
/**
* Sets whether the engine should stop at breakpoints.
*/
void
jerry_debugger_stop_at_breakpoint (bool enable_stop_at_breakpoint) /**< enable/disable stop at breakpoint */
{
#ifdef JERRY_DEBUGGER
if (JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED
&& !(JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_BREAKPOINT_MODE))
{
if (enable_stop_at_breakpoint)
{
JERRY_DEBUGGER_SET_FLAGS (JERRY_DEBUGGER_VM_IGNORE);
}
else
{
JERRY_DEBUGGER_CLEAR_FLAGS (JERRY_DEBUGGER_VM_IGNORE);
}
}
#else /* !JERRY_DEBUGGER */
JERRY_UNUSED (enable_stop_at_breakpoint);
#endif /* JERRY_DEBUGGER */
} /* jerry_debugger_stop_at_breakpoint */
/**
* Sets whether the engine should wait and run a source.
*
* @return enum JERRY_DEBUGGER_SOURCE_RECEIVE_FAILED - if the source is not received
* JERRY_DEBUGGER_SOURCE_RECEIVED - if a source code received
* JERRY_DEBUGGER_SOURCE_END - the end of the source codes
* JERRY_DEBUGGER_CONTEXT_RESET_RECEIVED - the end of the context
*/
jerry_debugger_wait_for_source_status_t
jerry_debugger_wait_for_client_source (jerry_debugger_wait_for_source_callback_t callback_p, /**< callback function */
void *user_p, /**< user pointer passed to the callback */
jerry_value_t *return_value) /**< [out] parse and run return value */
{
*return_value = jerry_create_undefined ();
#ifdef JERRY_DEBUGGER
if ((JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED)
&& !(JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_BREAKPOINT_MODE))
{
JERRY_DEBUGGER_SET_FLAGS (JERRY_DEBUGGER_CLIENT_SOURCE_MODE);
jerry_debugger_uint8_data_t *client_source_data_p = NULL;
jerry_debugger_wait_for_source_status_t ret_type = JERRY_DEBUGGER_SOURCE_RECEIVE_FAILED;
/* Notify the client about that the engine is waiting for a source. */
jerry_debugger_send_type (JERRY_DEBUGGER_WAIT_FOR_SOURCE);
while (true)
{
if (jerry_debugger_receive (&client_source_data_p))
{
if (!(JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED))
{
break;
}
/* Stop executing the current context. */
if ((JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONTEXT_RESET_MODE))
{
ret_type = JERRY_DEBUGGER_CONTEXT_RESET_RECEIVED;
JERRY_DEBUGGER_CLEAR_FLAGS (JERRY_DEBUGGER_CONTEXT_RESET_MODE);
break;
}
/* Stop waiting for a new source file. */
if ((JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CLIENT_NO_SOURCE))
{
ret_type = JERRY_DEBUGGER_SOURCE_END;
JERRY_DEBUGGER_CLEAR_FLAGS (JERRY_DEBUGGER_CLIENT_SOURCE_MODE);
break;
}
/* The source arrived. */
if (!(JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CLIENT_SOURCE_MODE))
{
JERRY_ASSERT (client_source_data_p != NULL);
jerry_char_t *resource_name_p = (jerry_char_t *) (client_source_data_p + 1);
size_t resource_name_size = strlen ((const char *) resource_name_p);
*return_value = callback_p (resource_name_p,
resource_name_size,
resource_name_p + resource_name_size + 1,
client_source_data_p->uint8_size - resource_name_size - 1,
user_p);
ret_type = JERRY_DEBUGGER_SOURCE_RECEIVED;
break;
}
}
jerry_debugger_transport_sleep ();
}
JERRY_ASSERT (!(JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CLIENT_SOURCE_MODE)
|| !(JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED));
if (client_source_data_p != NULL)
{
/* The data may partly arrived. */
jmem_heap_free_block (client_source_data_p,
client_source_data_p->uint8_size + sizeof (jerry_debugger_uint8_data_t));
}
return ret_type;
}
return JERRY_DEBUGGER_SOURCE_RECEIVE_FAILED;
#else /* !JERRY_DEBUGGER */
JERRY_UNUSED (callback_p);
JERRY_UNUSED (user_p);
return JERRY_DEBUGGER_SOURCE_RECEIVE_FAILED;
#endif /* JERRY_DEBUGGER */
} /* jerry_debugger_wait_for_client_source */
/**
* Send the output of the program to the debugger client.
* Currently only sends print output.
*/
void
jerry_debugger_send_output (jerry_char_t buffer[], /**< buffer */
jerry_size_t str_size) /**< string size */
{
#ifdef JERRY_DEBUGGER
if (JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED)
{
jerry_debugger_send_string (JERRY_DEBUGGER_OUTPUT_RESULT,
JERRY_DEBUGGER_OUTPUT_OK,
(const uint8_t *) buffer,
sizeof (uint8_t) * str_size);
}
#else /* !JERRY_DEBUGGER */
JERRY_UNUSED (buffer);
JERRY_UNUSED (str_size);
#endif /* JERRY_DEBUGGER */
} /* jerry_debugger_send_output */
/**
* Send the log of the program to the debugger client.
*/
void
jerry_debugger_send_log (jerry_log_level_t level, /**< level of the diagnostics message */
jerry_char_t buffer[], /**< buffer */
jerry_size_t str_size) /**< string size */
{
#ifdef JERRY_DEBUGGER
if (JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED)
{
jerry_debugger_send_string (JERRY_DEBUGGER_OUTPUT_RESULT,
(uint8_t) (level + 2),
(const uint8_t *) buffer,
sizeof (uint8_t) * str_size);
}
#else /* !JERRY_DEBUGGER */
JERRY_UNUSED (level);
JERRY_UNUSED (buffer);
JERRY_UNUSED (str_size);
#endif /* JERRY_DEBUGGER */
} /* jerry_debugger_send_log */
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