diff options
Diffstat (limited to 'src/cmd/gc/lex.c')
| -rw-r--r-- | src/cmd/gc/lex.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/src/cmd/gc/lex.c b/src/cmd/gc/lex.c index db6dfc3e1..e880b2f34 100644 --- a/src/cmd/gc/lex.c +++ b/src/cmd/gc/lex.c @@ -132,10 +132,25 @@ usage(void) { print("gc: usage: %cg [flags] file.go...\n", thechar); print("flags:\n"); - // -A is allow use of "any" type, for bootstrapping + // -A allow use of "any" type, for bootstrapping + // -B disable bounds checking + // -E print imported declarations + // -K warn when lineno is zero + // -M print arguments to gmove + // -P print peephole diagnostics + // -R print optimizer diagnostics + // -g print code generation diagnostics + // -i print line history + // -j print variables to be initialized at runtime + // -r print generated helper functions + // -s print redundant types in composite literals + // -v print more information with -P or -R + // -y print declarations in cannedimports (used with -d) + // -% print non-static initializers + // -+ indicate that the runtime is being compiled print(" -I DIR search for packages in DIR\n"); print(" -L show full path in file:line prints\n"); - print(" -N disable optimizer\n"); + print(" -N disable optimizations\n"); print(" -S print the assembly language\n"); print(" -V print the compiler version\n"); print(" -W print the parse tree after typing\n"); @@ -143,10 +158,10 @@ usage(void) print(" -e no limit on number of errors printed\n"); print(" -f print stack frame structure\n"); print(" -h panic on an error\n"); - print(" -m print about moves to heap\n"); + print(" -l disable inlining\n"); + print(" -m print optimization decisions\n"); print(" -o file specify output file\n"); print(" -p assumed import path for this code\n"); - print(" -s disable escape analysis\n"); print(" -u disable package unsafe\n"); print(" -w print type checking details\n"); print(" -x print lex tokens\n"); @@ -194,6 +209,10 @@ main(int argc, char *argv[]) typepkg = mkpkg(strlit("type")); typepkg->name = "type"; + weaktypepkg = mkpkg(strlit("weak.type")); + weaktypepkg->name = "weak.type"; + weaktypepkg->prefix = "weak.type"; // not weak%2etype + unsafepkg = mkpkg(strlit("unsafe")); unsafepkg->name = "unsafe"; @@ -574,6 +593,11 @@ importfile(Val *f, int line) yyerror("import path contains NUL"); errorexit(); } + + if(strchr(f->u.sval->s, '\\')) { + yyerror("import path contains backslash; use slash"); + errorexit(); + } // The package name main is no longer reserved, // but we reserve the import path "main" to identify |