utils.c File Reference

#include "parser.h"
#include "zprep.h"

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Data Structures
struct	ArenaBlock

Macros
#define	ARENA_BLOCK_SIZE   (1024 * 1024)

Typedefs
typedef struct ArenaBlock	ArenaBlock

Functions
void *	xmalloc (size_t size)
	Allocate memory.
void *	xcalloc (size_t n, size_t size)
	Allocate and zero memory.
void *	xrealloc (void *ptr, size_t new_size)
	Reallocate memory.
char *	xstrdup (const char *s)
	Duplicate a string.
void	zpanic (const char *fmt,...)
	Error reporting.
void	zwarn (const char *fmt,...)
	Warning reporting.
void	zwarn_at (Token t, const char *fmt,...)
	Warning reporting with token location.
void	zpanic_at (Token t, const char *fmt,...)
	Error reporting with token location.
void	zpanic_with_suggestion (Token t, const char *msg, const char *suggestion)
	Error reporting with suggestion.
void	error_undefined_function (Token t, const char *func_name, const char *suggestion)
	Error reporting for undefined function.
void	error_wrong_arg_count (Token t, const char *func_name, int expected, int got)
	Error reporting for wrong argument count.
void	error_undefined_field (Token t, const char *struct_name, const char *field_name, const char *suggestion)
	Error reporting for undefined field.
void	error_type_expected (Token t, const char *expected, const char *got)
	Error reporting for type expected.
void	error_cannot_index (Token t, const char *type_name)
	Error reporting for cannot index.
void	warn_unused_variable (Token t, const char *var_name)
	Warning reporting for unused variable.
void	warn_shadowing (Token t, const char *var_name)
	Warning reporting for shadowing.
void	warn_unreachable_code (Token t)
	Warning reporting for unreachable code.
void	warn_implicit_conversion (Token t, const char *from_type, const char *to_type)
	Warning reporting for implicit conversion.
void	warn_missing_return (Token t, const char *func_name)
	Warning reporting for missing return.
void	warn_comparison_always_true (Token t, const char *reason)
	Warning reporting for comparison always true.
void	warn_comparison_always_false (Token t, const char *reason)
	Warning reporting for comparison always false.
void	warn_unused_parameter (Token t, const char *param_name, const char *func_name)
	Warning reporting for unused parameter.
void	warn_narrowing_conversion (Token t, const char *from_type, const char *to_type)
	Warning reporting for narrowing conversion.
void	warn_division_by_zero (Token t)
	Warning reporting for division by zero.
void	warn_integer_overflow (Token t, const char *type_name, long long value)
	Warning reporting for integer overflow.
void	warn_array_bounds (Token t, int index, int size)
	Warning reporting for array bounds.
void	warn_format_string (Token t, int arg_num, const char *expected, const char *got)
	Warning reporting for format string.
void	warn_null_pointer (Token t, const char *expr)
	Warning reporting for null pointer.
char *	load_file (const char *fn)
	Load a file.
void	scan_build_directives (ParserContext *ctx, const char *src)
	Scan build directives.
int	levenshtein (const char *s1, const char *s2)
	Calculate Levenshtein distance.

Variables
char *	g_current_filename = "unknown"
	Current filename.
ParserContext *	g_parser_ctx = NULL
char	g_link_flags [MAX_FLAGS_SIZE] = ""
char	g_cflags [MAX_FLAGS_SIZE] = ""
int	g_warning_count = 0
CompilerConfig	g_config = {0}

Macro Definition Documentation

ARENA_BLOCK_SIZE

#define ARENA_BLOCK_SIZE   (1024 * 1024)

Typedef Documentation

ArenaBlock

typedef struct ArenaBlock ArenaBlock

Function Documentation

error_cannot_index()

void error_cannot_index	(	Token	t,
		const char *	type_name
	)

Error reporting for cannot index.

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error_type_expected()

void error_type_expected	(	Token	t,
		const char *	expected,
		const char *	got
	)

Error reporting for type expected.

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error_undefined_field()

void error_undefined_field	(	Token	t,
		const char *	struct_name,
		const char *	field_name,
		const char *	suggestion
	)

Error reporting for undefined field.

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error_undefined_function()

void error_undefined_function	(	Token	t,
		const char *	func_name,
		const char *	suggestion
	)

Error reporting for undefined function.

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error_wrong_arg_count()

void error_wrong_arg_count	(	Token	t,
		const char *	func_name,
		int	expected,
		int	got
	)

Error reporting for wrong argument count.

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levenshtein()

int levenshtein	(	const char *	s1,
		const char *	s2
	)

Calculate Levenshtein distance.

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load_file()

char * load_file

(

const char *

fn

)

Load a file.

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scan_build_directives()

void scan_build_directives	(	ParserContext *	ctx,
		const char *	src
	)

Scan build directives.

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warn_array_bounds()

void warn_array_bounds	(	Token	t,
		int	index,
		int	size
	)

Warning reporting for array bounds.

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warn_comparison_always_false()

void warn_comparison_always_false	(	Token	t,
		const char *	reason
	)

Warning reporting for comparison always false.

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warn_comparison_always_true()

void warn_comparison_always_true	(	Token	t,
		const char *	reason
	)

Warning reporting for comparison always true.

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warn_division_by_zero()

void warn_division_by_zero

(

Token

t

)

Warning reporting for division by zero.

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warn_format_string()

void warn_format_string	(	Token	t,
		int	arg_num,
		const char *	expected,
		const char *	got
	)

Warning reporting for format string.

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warn_implicit_conversion()

void warn_implicit_conversion	(	Token	t,
		const char *	from_type,
		const char *	to_type
	)

Warning reporting for implicit conversion.

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warn_integer_overflow()

void warn_integer_overflow	(	Token	t,
		const char *	type_name,
		long long	value
	)

Warning reporting for integer overflow.

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warn_missing_return()

void warn_missing_return	(	Token	t,
		const char *	func_name
	)

Warning reporting for missing return.

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warn_narrowing_conversion()

void warn_narrowing_conversion	(	Token	t,
		const char *	from_type,
		const char *	to_type
	)

Warning reporting for narrowing conversion.

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warn_null_pointer()

void warn_null_pointer	(	Token	t,
		const char *	expr
	)

Warning reporting for null pointer.

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warn_shadowing()

void warn_shadowing	(	Token	t,
		const char *	var_name
	)

Warning reporting for shadowing.

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warn_unreachable_code()

void warn_unreachable_code

(

Token

t

)

Warning reporting for unreachable code.

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warn_unused_parameter()

void warn_unused_parameter	(	Token	t,
		const char *	param_name,
		const char *	func_name
	)

Warning reporting for unused parameter.

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warn_unused_variable()

void warn_unused_variable	(	Token	t,
		const char *	var_name
	)

Warning reporting for unused variable.

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xcalloc()

void * xcalloc	(	size_t	n,
		size_t	size
	)

Allocate and zero memory.

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xmalloc()

void * xmalloc

(

size_t

size

)

Allocate memory.

xrealloc()

void * xrealloc	(	void *	ptr,
		size_t	new_size
	)

Reallocate memory.

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xstrdup()

char * xstrdup

(

const char *

s

)

Duplicate a string.

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zpanic()

void zpanic	(	const char *	fmt,
			...
	)

Error reporting.

zpanic_at()

void zpanic_at	(	Token	t,
		const char *	fmt,
			...
	)

Error reporting with token location.

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zpanic_with_suggestion()

void zpanic_with_suggestion	(	Token	t,
		const char *	msg,
		const char *	suggestion
	)

Error reporting with suggestion.

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zwarn()

void zwarn	(	const char *	fmt,
			...
	)

Warning reporting.

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zwarn_at()

void zwarn_at	(	Token	t,
		const char *	fmt,
			...
	)

Warning reporting with token location.

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Variable Documentation

g_cflags

char g_cflags = ""

g_config

CompilerConfig g_config = {0}

g_current_filename

char* g_current_filename = "unknown"

Current filename.

g_link_flags

char g_link_flags = ""

g_parser_ctx

ParserContext* g_parser_ctx = NULL

g_warning_count

int g_warning_count = 0