shithub: scc

ref: d3960dec0c54014b6a7072a7646d35ee7cb86533
dir: /inc/sizes.h/

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#ifndef SIZES_H
#define SIZES_H

/*
 * 15 nesting levels of compound statements, iteration control
 * structures, and selection control structures
 */
#define NR_BLOCK       15
/*
 * 8 nesting levels of conditional inclusion
 */
#define NR_COND   8
/*
 * number of defined structs/unions in one translation unit
 */
#define NR_MAXSTRUCTS 127
/*
 * 12 pointer, array, and function declarators (in any combinations)
 *  modifying an arithmetic, a structure, a union, or an incomplete type
 *  in a declaration
 */
#define NR_DECLARATORS  12
/*
 * 31 declarators nested by parentheses within a full declarator.
 */
#define NR_SUBTYPE     31
/*
 * 32 expressions nested by parentheses within a full expression
 */
#define NR_SUBEXPR     32
/*
 * 31 significant initial characters in an internal identifier or a
 * macro name
 */
#define IDENTSIZ       31
/*
 * 511 external identifiers in one translation unit
 */
#define NR_EXT_IDENT   511
/*
 * 127 identifiers with block scope declared in one block
 */
#define NR_INT_IDENT   127
/*
 * 31 parameters in one function definition * 6 significant initial
 * characters in an external identifier.
 */
#define NR_FUNPARAM    31
/*
 * 31 parameters in one macro definition
 */
#define NR_MACROARG    31
/*
 * 509 characters in a logical source line.
 */
#define LINESIZ     509
/*
 * 509 characters in a character string literal or wide string literal
 * (after concatenation)
 */
#define STRINGSIZ   509
/*
 * 8 nesting levels for #include'd files
 */
#define NR_INCLUDE   9
/*
 * 257 case labels for a switch statement (excluding those for any
 * nested switch statements)
 */
#define NR_SWITCH  257
/*
 * 127 members in a single structure or union
 */
#define NR_FIELDS  127
/*
 * 127 enumeration constants in a single enumeration
 */
#define NR_ENUM_CTES 127
/*
 * 15 levels of nested structure or union definitions in a single
 *  struct-declaration-list
 */
#define NR_STRUCT_LEVEL 15
/*
 * 32767 bytes in an object (in a hosted environment only)
 */
#define OBJECTSIZ  32767
#endif