95 lines
3.5 KiB
C
95 lines
3.5 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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// these functions are separate from parse.c to keep parser independent of mp_obj_t
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#include <stdint.h>
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#include <stdio.h>
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#include "mpconfig.h"
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#include "misc.h"
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#include "qstr.h"
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#include "lexer.h"
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#include "parse.h"
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#include "obj.h"
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#include "parsehelper.h"
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#define STR_MEMORY "parser could not allocate enough memory"
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#define STR_UNEXPECTED_INDENT "unexpected indent"
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#define STR_UNMATCHED_UNINDENT "unindent does not match any outer indentation level"
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#define STR_INVALID_SYNTAX "invalid syntax"
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void mp_parse_show_exception(mp_lexer_t *lex, mp_parse_error_kind_t parse_error_kind) {
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printf(" File \"%s\", line %d, column %d\n", qstr_str(mp_lexer_source_name(lex)), mp_lexer_cur(lex)->src_line, mp_lexer_cur(lex)->src_column);
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switch (parse_error_kind) {
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case MP_PARSE_ERROR_MEMORY:
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printf("MemoryError: %s\n", STR_MEMORY);
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break;
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case MP_PARSE_ERROR_UNEXPECTED_INDENT:
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printf("IndentationError: %s\n", STR_UNEXPECTED_INDENT);
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break;
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case MP_PARSE_ERROR_UNMATCHED_UNINDENT:
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printf("IndentationError: %s\n", STR_UNMATCHED_UNINDENT);
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break;
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case MP_PARSE_ERROR_INVALID_SYNTAX:
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default:
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printf("SyntaxError: %s\n", STR_INVALID_SYNTAX);
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break;
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}
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}
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mp_obj_t mp_parse_make_exception(mp_lexer_t *lex, mp_parse_error_kind_t parse_error_kind) {
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// make exception object
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mp_obj_t exc;
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switch (parse_error_kind) {
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case MP_PARSE_ERROR_MEMORY:
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exc = mp_obj_new_exception_msg(&mp_type_MemoryError, STR_MEMORY);
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break;
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case MP_PARSE_ERROR_UNEXPECTED_INDENT:
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exc = mp_obj_new_exception_msg(&mp_type_IndentationError, STR_UNEXPECTED_INDENT);
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break;
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case MP_PARSE_ERROR_UNMATCHED_UNINDENT:
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exc = mp_obj_new_exception_msg(&mp_type_IndentationError, STR_UNMATCHED_UNINDENT);
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break;
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case MP_PARSE_ERROR_INVALID_SYNTAX:
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default:
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exc = mp_obj_new_exception_msg(&mp_type_SyntaxError, STR_INVALID_SYNTAX);
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break;
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}
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// add traceback to give info about file name and location
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// we don't have a 'block' name, so just pass the NULL qstr to indicate this
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mp_obj_exception_add_traceback(exc, mp_lexer_source_name(lex), mp_lexer_cur(lex)->src_line, MP_QSTR_NULL);
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return exc;
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}
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