verilog_preprocessor.h File Reference

Contains function and data structures to support source code preprocessing. More...

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include "verilog_ast.h"
#include "verilog_ast_common.h"

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Data Structures
struct	verilog_default_net_type
	Keeps track of the points at which default net type directives are encountered. More...
struct	verilog_include_directive
	Stores information on an include directive. More...
struct	verilog_line_directive
	Describes a line directive. More...
struct	verilog_macro_directive
	A simple container for macro directives. More...
struct	verilog_preprocessor_conditional_context
	Stores information regarding a particular level of conditional compilation. More...
struct	verilog_preprocessor_context
struct	verilog_timescale_directive
	Describes a simulation timescale directive. More...

Functions
void	verilog_free_preprocessor_context (verilog_preprocessor_context *tofree)
	Frees a preprocessor context and all child constructs.
verilog_default_net_type *	verilog_new_default_net_type (unsigned int token_number, unsigned int line_number, ast_net_type type)
	Creates and returns a new default net type directive. More...
verilog_preprocessor_context *	verilog_new_preprocessor_context ()
	Creates a new pre-processor context. More...
void	verilog_preproc_default_net (unsigned int token_number, unsigned int line_number, ast_net_type type)
	Registers a new default net type directive. More...
void	verilog_preproc_enter_cell_define ()
	Tells the preprocessor we are now defining PLI modules and to tag them as such.
void	verilog_preproc_exit_cell_define ()
	Tells the preprocessor we are no longer defining PLI modules.
char *	verilog_preprocessor_current_file (verilog_preprocessor_context *preproc)
	Returns the file currently being parsed by the context, or NULL. More...
void	verilog_preprocessor_else (unsigned int lineno)
	Handles an else statement being encountered. More...
void	verilog_preprocessor_elseif (char *macro_name, unsigned int lineno)
	Handles an elseif statement being encountered. More...
void	verilog_preprocessor_endif (unsigned int lineno)
	Handles an else statement being encountered. More...
void	verilog_preprocessor_ifdef (char *macro_name, unsigned int lineno, ast_boolean is_ndef)
	Handles an ifdef statement being encountered. More...
verilog_include_directive *	verilog_preprocessor_include (char *filename, unsigned int lineNumber)
	Handles the encounter of an include directive. More...
void	verilog_preprocessor_macro_define (unsigned int line, char *macro_name, char *macro_text, size_t text_len)
	Instructs the preprocessor to register a new macro definition. More...
void	verilog_preprocessor_macro_undefine (char *macro_name)
	Removes a macro definition from the preprocessors lookup table. More...
verilog_preprocessor_conditional_context *	verilog_preprocessor_new_conditional_context (char *condition, int line_number)
	Creates and returns a new conditional context. More...
void	verilog_preprocessor_nounconnected_drive (ast_primitive_strength direction;)
	Handles the entering of a no-unconnected drive directive. More...
void	verilog_preprocessor_resetall ()
	Handles the encounter of a `resetall directive as described in annex 19.6 of the spec.
void	verilog_preprocessor_set_file (verilog_preprocessor_context *preproc, char *file)
	Clears the stack of files being parsed, and sets the current file to the supplied string. More...

Variables
verilog_preprocessor_context *	yy_preproc
	Stores all information needed for the preprocessor. More...

Detailed Description

Contains function and data structures to support source code preprocessing.