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literal API: remove HS_FLAG_MULTILINE flag support

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fixes github issue #237
This commit is contained in:
Hong, Yang A
2020-05-13 16:37:57 +00:00
parent 88a18dcf98
commit 765b8f9fb9
3 changed files with 8 additions and 11 deletions
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11
src/compiler/compiler.cpp
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2019, Intel Corporation
* Copyright (c) 2015-2020, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -125,7 +125,7 @@ ParsedLitExpression::ParsedLitExpression(unsigned index_in,
: expr(index_in, false, flags & HS_FLAG_SINGLEMATCH, false, false,
SOM_NONE, report, 0, MAX_OFFSET, 0, 0, 0, false) {
// For pure literal expression, below 'HS_FLAG_'s are unuseful:
// DOTALL/ALLOWEMPTY/UTF8/UCP/PREFILTER/COMBINATION/QUIET
// DOTALL/ALLOWEMPTY/UTF8/UCP/PREFILTER/COMBINATION/QUIET/MULTILINE
if (flags & ~HS_FLAG_ALL) {
DEBUG_PRINTF("Unrecognised flag, flags=%u.\n", flags);
@@ -409,12 +409,11 @@ void addLitExpression(NG &ng, unsigned index, const char *expression,
// filter out flags not supported by pure literal API.
u64a not_supported = HS_FLAG_DOTALL | HS_FLAG_ALLOWEMPTY | HS_FLAG_UTF8 |
HS_FLAG_UCP | HS_FLAG_PREFILTER | HS_FLAG_COMBINATION |
HS_FLAG_QUIET;
HS_FLAG_QUIET | HS_FLAG_MULTILINE;
if (flags & not_supported) {
throw CompileError("Only HS_FLAG_CASELESS, HS_FLAG_MULTILINE, "
"HS_FLAG_SINGLEMATCH and HS_FLAG_SOM_LEFTMOST are "
"supported in literal API.");
throw CompileError("Only HS_FLAG_CASELESS, HS_FLAG_SINGLEMATCH and "
"HS_FLAG_SOM_LEFTMOST are supported in literal API.");
}
// This expression must be a pure literal, we can build ue2_literal