diff options
Diffstat (limited to 'gcc/gengtype-lex.l')
| -rw-r--r-- | gcc/gengtype-lex.l | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/gengtype-lex.l b/gcc/gengtype-lex.l index d9f1996ccc9..42a8307c5a2 100644 --- a/gcc/gengtype-lex.l +++ b/gcc/gengtype-lex.l @@ -34,6 +34,7 @@ along with GCC; see the file COPYING3. If not see struct fileloc lexer_line; int lexer_toplevel_done; +int pp_nest, no_extra_nest; static void update_lineno (const char *l, size_t len) @@ -108,6 +109,7 @@ EOID [^[:alnum:]_] {WS} { update_lineno (yytext, yyleng); } \\\n { lexer_line.line++; } +TARGET_SCOPE/{EOID} | "const"/{EOID} /* don't care */ "GTY"/{EOID} { return GTY_TOKEN; } "VEC"/{EOID} { return VEC_TOKEN; } @@ -157,7 +159,13 @@ EOID [^[:alnum:]_] "..." { return ELLIPSIS; } [(){},*:<>;=%|-] { return yytext[0]; } - /* ignore pp-directives */ +^{HWS}"#"{HWS}ifndef{HWS}EXTRA_TARGET[[:alnum:]_][^\n]* {pp_nest++;} +^{HWS}"#"{HWS}ifndef{HWS}EXTRA_TARGET[^\n]* {no_extra_nest = ++pp_nest;} +^{HWS}"#"{HWS}if[^\n]* {pp_nest++;} + +^{HWS}"#"{HWS}endif[^\n]* {if (pp_nest-- == no_extra_nest) no_extra_nest = 0;} + + /* ignore other pp-directives */ ^{HWS}"#"{HWS}[a-z_]+[^\n]*\n {lexer_line.line++;} . { |