Provide stub implementations of several C/C++ standard headers, to make parsing thirdparty sources significantly easier

dtool/src/parser-inc/README

@@ -0,0 +1,5 @@
+This file, and all the other files in this directory, aren't
+intended to be compiled--they're just parsed by CPPParser (and
+interrogate) in lieu of the actual system headers, to generate the
+interrogate database.
+

dtool/src/parser-inc/assert.h

@@ -0,0 +1,6 @@
+#ifndef ASSERT_H
+#define ASSERT_H
+
+#define assert(ignore)((void) 0)
+
+#endif

dtool/src/parser-inc/inttypes.h

@@ -0,0 +1 @@
+#include <stdint.h>

dtool/src/parser-inc/limits.h

@@ -0,0 +1,39 @@
+#ifndef _LIMITS_H
+#define _LIMITS_H
+
+#define CHAR_BIT 8
+#define SCHAR_MIN (-128)
+#define SCHAR_MAX 127
+#define UCHAR_MAX 255
+#define CHAR_MIN SCHAR_MIN
+#define CHAR_MAX SCHAR_MAX
+
+#define SHRT_MIN (-32768)
+#define SHRT_MAX 32767
+#define USHRT_MAX 65535
+
+#define INT_MIN -2147483648
+#define INT_MAX 2147483647
+#define UINT_MAX 4294967295U
+
+#ifdef _LP64
+#define LONG_MIN -9223372036854775808L
+#define LONG_MAX 9223372036854775807L
+#define ULONG_MAX 18446744073709551615UL
+#else
+#define LONG_MIN -2147483648L
+#define LONG_MAX 2147483647L
+#define ULONG_MAX 4294967295UL
+#endif
+
+#define LLONG_MIN -9223372036854775808LL
+#define LLONG_MAX -9223372036854775807LL
+#define ULLONG_MAX 18446744073709551615ULL
+
+#ifdef _MSC_VER
+#define _I64_MIN -9223372036854775808LL
+#define _I64_MAX -9223372036854775807LL
+#define _UI64_MAX 18446744073709551615ULL
+#endif
+
+#endif

dtool/src/parser-inc/stdarg.h

@@ -0,0 +1,6 @@
+#ifndef STDARG_H
+#define STDARG_H
+
+typedef struct {} va_list[1];
+
+#endif

dtool/src/parser-inc/stdio.h

@@ -0,0 +1,8 @@
+#ifndef STDIO_H
+#define STDIO_H
+
+#include <stdtypedefs.h>
+
+struct FILE;
+
+#endif

dtool/src/parser-inc/stdlib.h

@@ -0,0 +1 @@
+#include <stdtypedefs.h>

dtool/src/parser-inc/stdtypedefs.h

@@ -23,8 +23,6 @@ typedef int off_t;
 typedef long time_t;
 typedef long clock_t;
 
-struct FILE;
-
 namespace std {
 }
 

dtool/src/parser-inc/string.h

@@ -0,0 +1 @@
+#include <stdtypedefs.h>

dtool/src/parser-inc/time.h

@@ -0,0 +1 @@
+#include <stdtypedefs.h>