zprep.h File Reference

#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

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Data Structures
struct	Token
	Represents a source token. More...
struct	Lexer
	Lexer state. More...
struct	CompilerConfig
	Compiler configuration and flags. More...

Macros
#define	z_is_windows()   0
#define	ZEN_VERSION   "0.1.0"
	Zen-C version.
#define	COLOR_RESET   "\033[0m"
	Reset color.
#define	COLOR_RED   "\033[1;31m"
	Red color.
#define	COLOR_GREEN   "\033[1;32m"
	Green color.
#define	COLOR_YELLOW   "\033[1;33m"
	Yellow color.
#define	COLOR_BLUE   "\033[1;34m"
	Blue color.
#define	COLOR_CYAN   "\033[1;36m"
	Cyan color.
#define	COLOR_BOLD   "\033[1m"
	Bold text.
#define	free(ptr)   ((void)0)
	Free memory.
#define	malloc(sz)   xmalloc(sz)
	Allocate memory.
#define	realloc(p, s)   xrealloc(p, s)
	Reallocate memory.
#define	calloc(n, s)   xcalloc(n, s)
	Allocate and zero memory.
#define	MAX_FLAGS_SIZE   1024
#define	MAX_PATH_SIZE   1024
#define	MAX_PATTERN_SIZE   1024

Enumerations
enum	TokenType {   TOK_EOF = 0 , TOK_IDENT , TOK_INT , TOK_FLOAT ,   TOK_STRING , TOK_FSTRING , TOK_CHAR , TOK_LPAREN ,   TOK_RPAREN , TOK_LBRACE , TOK_RBRACE , TOK_LBRACKET ,   TOK_RBRACKET , TOK_LANGLE , TOK_RANGLE , TOK_COMMA ,   TOK_COLON , TOK_SEMICOLON , TOK_OP , TOK_AT ,   TOK_DOTDOT , TOK_DOTDOT_EQ , TOK_DOTDOT_LT , TOK_ARROW ,   TOK_PIPE , TOK_TEST , TOK_ASSERT , TOK_SIZEOF ,   TOK_DEF , TOK_DEFER , TOK_AUTOFREE , TOK_QUESTION ,   TOK_USE , TOK_QQ , TOK_QQ_EQ , TOK_Q_DOT ,   TOK_DCOLON , TOK_TRAIT , TOK_IMPL , TOK_AND ,   TOK_OR , TOK_FOR , TOK_COMPTIME , TOK_ELLIPSIS ,   TOK_UNION , TOK_ASM , TOK_VOLATILE , TOK_ASYNC ,   TOK_AWAIT , TOK_PREPROC , TOK_ALIAS , TOK_COMMENT ,   TOK_OPAQUE , TOK_UNKNOWN }
	Token types for the Lexer. More...

Functions
void	lexer_init (Lexer *l, const char *src)
	Initialize the lexer.
Token	lexer_next (Lexer *l)
	Get the next token.
Token	lexer_peek (Lexer *l)
	Get the next token without advancing.
Token	lexer_peek2 (Lexer *l)
	Get the next token without advancing (2 look ahead).
void	register_trait (const char *name)
	Register a trait.
int	is_trait (const char *name)
	Check if a name is a trait.
void *	xmalloc (size_t size)
	Allocate memory.
void *	xrealloc (void *ptr, size_t new_size)
	Reallocate memory.
void *	xcalloc (size_t n, size_t size)
	Allocate and zero memory.
char *	xstrdup (const char *s)
	Duplicate a string.
void	zpanic (const char *fmt,...)
	Error reporting.
void	zpanic_at (Token t, const char *fmt,...)
	Error reporting with token location.
char *	load_file (const char *filename)
	Load a file.
void	scan_build_directives (struct ParserContext *ctx, const char *src)
	Scan build directives.
int	levenshtein (const char *s1, const char *s2)
	Calculate Levenshtein distance.
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	zwarn (const char *fmt,...)
	Warning reporting.
void	zwarn_at (Token t, const char *fmt,...)
	Warning reporting with token location.
void	warn_unused_variable (Token t, const char *var_name)
	Warning reporting for unused variable.
void	warn_unused_parameter (Token t, const char *param_name, const char *func_name)
	Warning reporting for unused parameter.
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_narrowing_conversion (Token t, const char *from_type, const char *to_type)
	Warning reporting for narrowing 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_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.

Variables
char *	g_current_filename
	Current filename.
char	g_link_flags [MAX_FLAGS_SIZE]
char	g_cflags [MAX_FLAGS_SIZE]
int	g_warning_count
CompilerConfig	g_config

Macro Definition Documentation

calloc

#define calloc	(		n,
			s
	)		xcalloc(n, s)

Allocate and zero memory.

COLOR_BLUE

#define COLOR_BLUE   "\033[1;34m"

Blue color.

COLOR_BOLD

#define COLOR_BOLD   "\033[1m"

Bold text.

COLOR_CYAN

#define COLOR_CYAN   "\033[1;36m"

Cyan color.

COLOR_GREEN

#define COLOR_GREEN   "\033[1;32m"

Green color.

COLOR_RED

#define COLOR_RED   "\033[1;31m"

Red color.

COLOR_RESET

#define COLOR_RESET   "\033[0m"

Reset color.

COLOR_YELLOW

#define COLOR_YELLOW   "\033[1;33m"

Yellow color.

free

#define free

(

ptr

)

((void)0)

Free memory.

malloc

#define malloc

(

sz

)

xmalloc(sz)

Allocate memory.

MAX_FLAGS_SIZE

#define MAX_FLAGS_SIZE   1024

MAX_PATH_SIZE

#define MAX_PATH_SIZE   1024

MAX_PATTERN_SIZE

#define MAX_PATTERN_SIZE   1024

realloc

#define realloc	(		p,
			s
	)		xrealloc(p, s)

Reallocate memory.

z_is_windows

#define z_is_windows

(

)

0

ZEN_VERSION

#define ZEN_VERSION   "0.1.0"

Zen-C version.

Enumeration Type Documentation

TokenType

enum TokenType

Token types for the Lexer.

Enumerator
TOK_EOF	End of File.
TOK_IDENT	Identifier (variable, function name).
TOK_INT	Integer literal.
TOK_FLOAT	Float literal.
TOK_STRING	String literal.
TOK_FSTRING	Formatted string literal (f"val is {x}").
TOK_CHAR	Character literal.
TOK_LPAREN	(
TOK_RPAREN	)
TOK_LBRACE	{
TOK_RBRACE	}
TOK_LBRACKET	[
TOK_RBRACKET	]
TOK_LANGLE	<
TOK_RANGLE	‍
TOK_COMMA	,
TOK_COLON	:
TOK_SEMICOLON	;
TOK_OP	General operator (e.g. +, *, /).
TOK_AT	@
TOK_DOTDOT	..
TOK_DOTDOT_EQ	..= (inclusive range).
TOK_DOTDOT_LT	..< (exclusive range, explicit).
TOK_ARROW	-> or =>
TOK_PIPE	|> (pipe operator).
TOK_TEST	'test' keyword.
TOK_ASSERT	'assert' keyword.
TOK_SIZEOF	'sizeof' keyword.
TOK_DEF	'def' keyword.
TOK_DEFER	'defer' keyword.
TOK_AUTOFREE	'autofree' keyword.
TOK_QUESTION	?
TOK_USE	'use' keyword.
TOK_QQ	?? (null coalescing).
TOK_QQ_EQ	??=
TOK_Q_DOT	?. (optional chaining).
TOK_DCOLON	::
TOK_TRAIT	'trait' keyword.
TOK_IMPL	'impl' keyword.
TOK_AND	'and' keyword.
TOK_OR	'or' keyword.
TOK_FOR	'for' keyword.
TOK_COMPTIME	'comptime' keyword.
TOK_ELLIPSIS	...
TOK_UNION	'union' keyword.
TOK_ASM	'asm' keyword.
TOK_VOLATILE	'volatile' keyword.
TOK_ASYNC	'async' keyword.
TOK_AWAIT	'await' keyword.
TOK_PREPROC	Preprocessor directive (#...).
TOK_ALIAS	'alias' keyword.
TOK_COMMENT	Comment (usually skipped).
TOK_OPAQUE	'opaque' keyword.
TOK_UNKNOWN	Unknown token.

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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is_trait()

int is_trait

(

const char *

name

)

Check if a name is a trait.

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levenshtein()

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

Calculate Levenshtein distance.

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lexer_init()

void lexer_init	(	Lexer *	l,
		const char *	src
	)

Initialize the lexer.

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lexer_next()

Token lexer_next

(

Lexer *

l

)

Get the next token.

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lexer_peek()

Token lexer_peek

(

Lexer *

l

)

Get the next token without advancing.

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lexer_peek2()

Token lexer_peek2

(

Lexer *

l

)

Get the next token without advancing (2 look ahead).

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load_file()

char * load_file

(

const char *

filename

)

Load a file.

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register_trait()

void register_trait

(

const char *

name

)

Register a trait.

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scan_build_directives()

void scan_build_directives	(	struct 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[]

extern

g_config

CompilerConfig g_config

extern

g_current_filename

char* g_current_filename

extern

Current filename.

g_link_flags

char g_link_flags[]

extern

g_warning_count

int g_warning_count

extern