CVS log for src/usr.bin/xlint/lint2/emit2.c

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lint: support GCC's __auto_type

Fixes PR toolchain/58654.

lint: add wrapper for <ctype.h> functions, for strict bool mode

When using the Clang preprocessor (with MKLLVM=yes), the preprocessor
output does not indicate which tokens come from a system header and
which tokens come from the user code.  Lint's strict bool mode relies on
this information to treat the character classification functions from
<ctype.h> as if their return type were bool instead of int.

These wrapper functions are only used when their argument is indeed a
'char', but not when the argument might be 'EOF or representable as an
unsigned char', such as when reading a byte from the input.

lint: remove custom wrappers around <ctype.h> functions

lint: in declarations, replace tab with space

Previously, in some cases, the keywords 'const' or 'struct' were
followed by a tab, which doesn't make sense.

No functional change.

lint: clean up comments

There's no output buffer anymore.

lint: remove redundant comments

lint: for each record in the output file, write the newline immediately

There's no point delaying the '\n' until the next line is written.

lint: indent copyright lines consistently

lint: clean up initialization of type properties

No functional change.

lint: indent local variables consistently

No binary change.

lint: clean up

In symtab_search, most of the conditions were redundant, so remove them.

In read_byte, using CHAR_MASK was conceptually wrong, as that constant
is from the target platform while the lexical analysis happens on the
host platform.  It was unnecessary as well, as a hypothetical host
platform with 36-bit chars might encode the characters from the basic
source character set as numbers higher than 0x0_0000_00ff.  Since lint
assumes that both the source character set as well as the execution
character set are the same and based on 8-bit bytes, nothing changes.

No functional change.

lint: clean up messages for internal errors

lint: use __RCSID in lint mode as well

Since 1995-10-02, lint supports __asm statements and __asm modifiers.

No binary change.

lint: clean up lint2

No functional change.

lint: inline local variables in outtype

No functional change.

lint: condense code for writing to a lint library

Same as in lint1.

No functional change.

lint: use 'char' as type for passing characters to functions

No functional change.

lint: un-abbreviate members of sym_t

No functional change.

lint: write the entries for the libraries in alphabetical order

This makes them easier to read by humans.

The checks are still performed in hashcode order since there are no
tests that would cover this change.

lint: remove unused parameter from forall

No functional change.

lint: allow libraries to use 128-bit integer types

lint: add parentheses after sizeof, as required by share/misc/style

No functional change.

lint: in malloc calls, use 'sizeof *ptr' instead of 'sizeof(type)'

No functional change.

lint: change spelling of initialisation to initialization

That's the wording from the ISO C99 standard.

lint: rename t_isenum and t_aincompl to be more expressive

No functional change.

lint: rename s_nxt to s_next

lint: remove redundant parentheses around return value

Teach lint about long double _Complex (C99)

sync with head.

same change: double is emitted as '\0'

handle lintlibrary output of _Complex types.

recognize _Bool.

Protect __RCSID and __COPYRIGHT from being invoked if not defined.

Add hooks for compiling on non-NetBSD hosts.

Various typos in comments (neccessary, sceme, choise, ...).

cleanup (prior to more adding more features):
- convert to ANSI KNF
- remove trailing whitespace
- translate some comments from german into english

code compiles and runs clean, and tested by running "make lint" against
xlint source using previous and this lint produces same results.

Sync w/ netbsd-1-5-base.

fix up NetBSD RCS Ids to match the standard, and the leading comment as
to match as well.  No functional changes.

WARNSify

* recognize that pointers to identical unnamed and untyped structs,
  unions, and enums are, in fact, identical.  This is done by tagging
  each of unnamed and untyped structure, union and enum with a unique
  position of creation, which is used as a unique identifier that
  when determine whether or not a pair of structures, unions, or enums
  are identical.

RCS id cleanup

lint(1) implementation, by Jochen Pohl.  named 'xlint' for a similar
reason to why 'install' is named 'xinstall'.

Initial revision