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Fix array out of bounds access bug #13

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Fix array out of bounds access bug #13

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3 changes: 3 additions & 0 deletions src/parser.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -247,6 +247,9 @@ namespace gpr {
string cs = parse_line_comment_with_delimiter(";", s);
return chunk(';', ';', cs);
} else {
if (s.i + 1 >= s.s.size()) {
return parse_isolated_word(s);
}
string next_next = *(s.remaining() + 1);

if (!is_num_char(next_next[0])) {
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6 changes: 6 additions & 0 deletions test/parser_tests.cpp
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Expand Up @@ -151,6 +151,12 @@ namespace gpr {
REQUIRE(p.get_block(0).get_chunk(4).tp() == CHUNK_TYPE_WORD);
}

TEST_CASE("Parsing block only an isolated word 'P'") {
gcode_program p = parse_gcode("P");

REQUIRE(p.get_block(0).get_chunk(0).tp() == CHUNK_TYPE_WORD);
}

TEST_CASE("Parse blank line") {
gcode_program p =
parse_gcode("G99 G82 R0.1 Z-0.1227 P F15.04\n ");
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