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| author | Mark Wielaard <mark@klomp.org> | 2020-05-24 00:44:22 +0200 |
|---|---|---|
| committer | Mark Wielaard <mark@klomp.org> | 2020-06-04 01:22:53 +0200 |
| commit | 1dc83b460653c29f96b4659579e2151fae0d1e6e (patch) | |
| tree | 946ec0b018766ecb4f0e8c005c8e4dc3ac81d04a /gcc/c-family | |
| parent | 9eea5d2ddf73037e21b59bcd8084ba969ae10174 (diff) | |
| download | gcc-1dc83b460653c29f96b4659579e2151fae0d1e6e.zip gcc-1dc83b460653c29f96b4659579e2151fae0d1e6e.tar.gz gcc-1dc83b460653c29f96b4659579e2151fae0d1e6e.tar.bz2 | |
Provide diagnostic hints for missing C++ cinttypes string constants.
When reporting an error in cp_parser and we notice a string literal
followed by an unknown name check whether there is a known standard
header containing a string macro with the same name, then add a hint
to the error message to include that header.
gcc/c-family/ChangeLog:
* known-headers.cc (get_cp_stdlib_header_for_string_macro_name):
New function.
* known-headers.h (get_cp_stdlib_header_for_string_macro_name):
New function declaration.
gcc/cp/ChangeLog:
* parser.c (cp_lexer_safe_previous_token): New function.
(cp_parser_error_1): Add name_hint if the previous token is
a string literal and next token is a CPP_NAME and we have a
missing header suggestion for the name.
gcc/testsuite/ChangeLog:
* g++.dg/spellcheck-inttypes.C: Add string-literal testcases.
Diffstat (limited to 'gcc/c-family')
| -rw-r--r-- | gcc/c-family/known-headers.cc | 8 | ||||
| -rw-r--r-- | gcc/c-family/known-headers.h | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/c-family/known-headers.cc b/gcc/c-family/known-headers.cc index c07cfd1..977230a 100644 --- a/gcc/c-family/known-headers.cc +++ b/gcc/c-family/known-headers.cc @@ -268,6 +268,14 @@ get_c_stdlib_header_for_string_macro_name (const char *name) return get_string_macro_hint (name, STDLIB_C); } +/* Given non-NULL NAME, return the header name defining a string macro + within the C++ standard library (with '<' and '>'), or NULL. */ +const char * +get_cp_stdlib_header_for_string_macro_name (const char *name) +{ + return get_string_macro_hint (name, STDLIB_CPLUSPLUS); +} + /* Implementation of class suggest_missing_header. */ /* suggest_missing_header's ctor. */ diff --git a/gcc/c-family/known-headers.h b/gcc/c-family/known-headers.h index a69bbbf..f0c89dc 100644 --- a/gcc/c-family/known-headers.h +++ b/gcc/c-family/known-headers.h @@ -24,6 +24,7 @@ extern const char *get_c_stdlib_header_for_name (const char *name); extern const char *get_cp_stdlib_header_for_name (const char *name); extern const char *get_c_stdlib_header_for_string_macro_name (const char *n); +extern const char *get_cp_stdlib_header_for_string_macro_name (const char *n); /* Subclass of deferred_diagnostic for suggesting to the user that they have missed a #include. */ |