The Directives Tally component interface.

Collaboration diagram for The Directives Tally component interface.:

Modules
	Macro-generated code
Files
file	directives_tally.c
file	directives_tally.h
Enumerations
enum	directive_type_t {   HASH_UNKNOWN, HASH_IF, HASH_IFDEF, HASH_IFNDEF,   HASH_ELSE, HASH_ELIF, HASH_ENDIF, HASH_DEFINE,   HASH_UNDEF, HASH_INCLUDE, HASH_PRAGMA, HASH_ERROR,   HASH_COUNT }
Functions
void	directive_tally (canonical_string_const_h cl, directive_type_t directive_type)
directive_type_t	get_directive_type (char const **keyword)
char const *	get_directive_keyword (directive_type_t directive_type)

---

Enumeration Type Documentation

enum directive_type_t

Symbolic constants for types of directives

Enumerator:

HASH_UNKNOWN	An unknown directive
HASH_IF	A hash-if directive
HASH_IFDEF	An hash-ifdef directive
HASH_IFNDEF	An hash-ifndef directive
HASH_ELSE	An hash-else directive
HASH_ELIF	An hash-elif directive
HASH_ENDIF	An hash-endif directive
HASH_DEFINE	An hash-define directive
HASH_UNDEF	An hash-undef directive
HASH_INCLUDE	An hash-include directive
HASH_PRAGMA	A hash-pragma directive
HASH_ERROR	An #error directive
HASH_COUNT	Number of previous members of this enum

Definition at line 50 of file directives_tally.h.

---

Function Documentation

void directive_tally	(	canonical_string_const_h	cl,
		directive_type_t	directive_type
	)

Tally an occurrence of a preprocessor directive argument.

Parameters:

cl	A canonical string containg the directive argument.
directive_type	The type of directive found with arg.

Returns:

The terminal address of the argument parsed at arg.

Arguments of directives are stored, differentiated by directive type, in the lookup tables in canonical_string_h form. arg is looked up by forming a canonical_string_h from arg and searching the table associated with directive_type for that cleaned line.

If no argument matching arg exists in in the lookup table for directive_type then the new canonical_string_h is added to the table.

The occurrence of the arg is reported on stdout if the same argument has not already been recorded for directive_type or if --once is not in effect.

Definition at line 179 of file directives_tally.c.

References directive_text_add(), directive_text_lookup(), GET_PUBLIC, and report_directive().

Referenced by eval_free_form_directive(), eval_hash_define(), and eval_hash_undef().

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char const* get_directive_keyword

(

directive_type_t

directive_type

)

Get the preprocessor keyword associated with a given directive type.

Parameters:

directive_type

Type of directive for which the keyword is required.

Returns:

Pointer to the keyword for this directive type.

Definition at line 167 of file directives_tally.c.

References directives_dict, HASH_UNKNOWN, directive::keyword, and directive::type.

Referenced by report_directive().

directive_type_t get_directive_type

(

char const **

keyword

)

Determine the type of a putative directive.

Parameters:

keyword

On entry, a pointer to the address of the putative directve. On return, stores the address of the character just passed the matched directive, if any is matched; otherwise unchanged.

Returns:

A directive_type_t indicating the type of the directive, or HASH_UNKOWN if no legal directive is unambigously identified.

Definition at line 155 of file directives_tally.c.

References directives_dict, HASH_UNKNOWN, directive::keyword, match_keyword(), and directive::type.

Referenced by eval_line().

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