| | |
| | | #include "lexer_private.h" |
| | | #include "scpi/error.h" |
| | | #include "scpi/constants.h" |
| | | #include "scpi/utils.h" |
| | | |
| | | /** |
| | | * Write data to SCPI output |
| | |
| | | } |
| | | |
| | | /** |
| | | * Conditionaly write ";" |
| | | * @param context |
| | | * @return number of characters written |
| | | */ |
| | | static size_t writeSemicolon(scpi_t * context) { |
| | | if (context->output_count > 0) { |
| | | return writeData(context, ";", 1); |
| | | } else { |
| | | return 0; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Process command |
| | | * @param context |
| | | */ |
| | | static void processCommand(scpi_t * context) { |
| | | const scpi_command_t * cmd = context->param_list.cmd; |
| | | lex_state_t * state = &context->param_list.lex_state; |
| | | |
| | | /* conditionaly write ; */ |
| | | writeSemicolon(context); |
| | | |
| | | context->cmd_error = FALSE; |
| | | context->output_count = 0; |
| | |
| | | SCPI_ErrorPush(context, SCPI_ERROR_EXECUTION_ERROR); |
| | | } |
| | | } |
| | | |
| | | /* conditionaly write new line */ |
| | | writeNewLine(context); |
| | | |
| | | /* set error if command callback did not read all parameters */ |
| | | if (state->pos < (state->buffer + state->len) && !context->cmd_error) { |
| | |
| | | * @param len - command line length |
| | | * @return 1 if the last evaluated command was found |
| | | */ |
| | | int SCPI_Parse(scpi_t * context, const char * data, int len) { |
| | | int SCPI_Parse(scpi_t * context, char * data, int len) { |
| | | int result = 0; |
| | | scpi_parser_state_t * state; |
| | | int r; |
| | | scpi_token_t cmd_prev = {SCPI_TOKEN_UNKNOWN, NULL, 0}; |
| | | |
| | | if (context == NULL) { |
| | | return -1; |
| | | } |
| | | |
| | | state = &context->parser_state; |
| | | context->output_count = 0; |
| | | |
| | | while (1) { |
| | | result = 0; |
| | |
| | | if (state->programHeader.type == SCPI_TOKEN_INVALID) { |
| | | SCPI_ErrorPush(context, SCPI_ERROR_INVALID_CHARACTER); |
| | | } else if (state->programHeader.len > 0) { |
| | | |
| | | composeCompoundCommand(&cmd_prev, &state->programHeader); |
| | | |
| | | if (findCommandHeader(context, state->programHeader.ptr, state->programHeader.len)) { |
| | | |
| | | context->param_list.lex_state.buffer = state->programData.ptr; |
| | |
| | | processCommand(context); |
| | | |
| | | result = 1; |
| | | cmd_prev = state->programHeader; |
| | | } else { |
| | | SCPI_ErrorPush(context, SCPI_ERROR_UNDEFINED_HEADER); |
| | | } |
| | |
| | | } |
| | | |
| | | } |
| | | |
| | | /* conditionaly write new line */ |
| | | writeNewLine(context); |
| | | |
| | | return result; |
| | | } |
| | | |
| | |
| | | size_t result = 0; |
| | | size_t len; |
| | | |
| | | len = longToStr(val, buffer, sizeof (buffer), base); |
| | | len = SCPI_LongToStr(val, buffer, sizeof (buffer), base); |
| | | basePrefix = getBasePrefix(base); |
| | | |
| | | result += writeDelimiter(context); |
| | |
| | | size_t SCPI_ResultDouble(scpi_t * context, double val) { |
| | | char buffer[32]; |
| | | size_t result = 0; |
| | | size_t len = doubleToStr(val, buffer, sizeof (buffer)); |
| | | size_t len = SCPI_DoubleToStr(val, buffer, sizeof (buffer)); |
| | | result += writeDelimiter(context); |
| | | result += writeData(context, buffer, len); |
| | | context->output_count++; |
| | |
| | | char block_header[12]; |
| | | size_t header_len; |
| | | block_header[0] = '#'; |
| | | longToStr(len, block_header + 2, 10, 10); |
| | | SCPI_LongToStr(len, block_header + 2, 10, 10); |
| | | |
| | | header_len = strlen(block_header + 2); |
| | | block_header[1] = header_len + '0'; |
| | |
| | | * @param token |
| | | * @param ptr |
| | | */ |
| | | static void invalidateToken(scpi_token_t * token, const char * ptr) { |
| | | static void invalidateToken(scpi_token_t * token, char * ptr) { |
| | | token->len = 0; |
| | | token->ptr = ptr; |
| | | token->type = SCPI_TOKEN_UNKNOWN; |
| | |
| | | * @param len |
| | | * @return |
| | | */ |
| | | int scpiParser_detectProgramMessageUnit(scpi_parser_state_t * state, const char * buffer, int len) { |
| | | int scpiParser_detectProgramMessageUnit(scpi_parser_state_t * state, char * buffer, int len) { |
| | | lex_state_t lex_state; |
| | | scpi_token_t tmp; |
| | | int result = 0; |
| | |
| | | } |
| | | } |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | scpi_bool_t SCPI_Match(const char * pattern, const char * value, size_t len) { |
| | | return matchCommand (pattern, value, len); |
| | | } |
| | | |
| | | |
| | | |