codegen.h File Reference

#include "../ast/ast.h"
#include "../parser/parser.h"
#include "../zprep.h"
#include <stdio.h>

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Macros
#define	MAX_DEFER   1024
#define	MAX_LOOP_DEPTH   64

Functions
void	codegen_node (ParserContext *ctx, ASTNode *node, FILE *out)
	Generates code for a given AST node.
void	codegen_node_single (ParserContext *ctx, ASTNode *node, FILE *out)
	Generates code for a single AST node (non-recursive for siblings).
void	codegen_walker (ParserContext *ctx, ASTNode *node, FILE *out)
	Walker for list of nodes (calls codegen_node recursively).
void	codegen_expression (ParserContext *ctx, ASTNode *node, FILE *out)
	Generates code for an expression node.
void	codegen_match_internal (ParserContext *ctx, ASTNode *node, FILE *out, int use_result)
	Internal handler for match statements.
char *	infer_type (ParserContext *ctx, ASTNode *node)
ASTNode *	find_struct_def_codegen (ParserContext *ctx, const char *name)
char *	get_field_type_str (ParserContext *ctx, const char *struct_name, const char *field_name)
char *	extract_call_args (const char *args)
void	emit_var_decl_type (ParserContext *ctx, FILE *out, const char *type_str, const char *var_name)
char *	replace_string_type (const char *args)
const char *	parse_original_method_name (const char *mangled)
void	emit_auto_type (ParserContext *ctx, ASTNode *init_expr, Token t, FILE *out)
char *	codegen_type_to_string (Type *t)
void	emit_func_signature (ParserContext *ctx, FILE *out, ASTNode *func, const char *name_override)
char *	strip_template_suffix (const char *name)
int	emit_move_invalidation (ParserContext *ctx, ASTNode *node, FILE *out)
void	codegen_expression_with_move (ParserContext *ctx, ASTNode *node, FILE *out)
void	emit_preamble (ParserContext *ctx, FILE *out)
	Emits the standard preamble (includes, macros) to the output file.
void	emit_includes_and_aliases (ASTNode *node, FILE *out)
void	emit_type_aliases (ASTNode *node, FILE *out)
void	emit_global_aliases (ParserContext *ctx, FILE *out)
void	emit_struct_defs (ParserContext *ctx, ASTNode *node, FILE *out)
void	emit_trait_defs (ASTNode *node, FILE *out)
void	emit_enum_protos (ASTNode *node, FILE *out)
void	emit_globals (ParserContext *ctx, ASTNode *node, FILE *out)
void	emit_lambda_defs (ParserContext *ctx, FILE *out)
void	emit_protos (ParserContext *ctx, ASTNode *node, FILE *out)
void	emit_impl_vtables (ParserContext *ctx, FILE *out)
int	emit_tests_and_runner (ParserContext *ctx, ASTNode *node, FILE *out)
	Emits test runner and test cases if testing is enabled.
void	print_type_defs (ParserContext *ctx, FILE *out, ASTNode *nodes)

Variables
ASTNode *	global_user_structs
	List of user defined structs.
char *	g_current_impl_type
	Type currently being implemented (in impl block).
int	tmp_counter
	Counter for temporary variables.
int	defer_count
	Counter for defer statements in current scope.
ASTNode *	defer_stack []
	Stack of deferred nodes.
ASTNode *	g_current_lambda
	Current lambda being generated.
char *	g_current_func_ret_type
	Return type of current function.
int	loop_defer_boundary []
	Defer stack index at start of each loop.
int	loop_depth
	Current loop nesting depth.
int	func_defer_boundary
	Defer stack index at function entry.

Macro Definition Documentation

MAX_DEFER

#define MAX_DEFER   1024

MAX_LOOP_DEPTH

#define MAX_LOOP_DEPTH   64

Function Documentation

codegen_expression()

void codegen_expression	(	ParserContext *	ctx,
		ASTNode *	node,
		FILE *	out
	)

Generates code for an expression node.

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codegen_expression_with_move()

void codegen_expression_with_move	(	ParserContext *	ctx,
		ASTNode *	node,
		FILE *	out
	)

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codegen_match_internal()

void codegen_match_internal	(	ParserContext *	ctx,
		ASTNode *	node,
		FILE *	out,
		int	use_result
	)

Internal handler for match statements.

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codegen_node()

void codegen_node	(	ParserContext *	ctx,
		ASTNode *	node,
		FILE *	out
	)

Generates code for a given AST node.

Parameters

ctx	Parser context.
node	The AST node to generate code for.
out	Output file stream.

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codegen_node_single()

void codegen_node_single	(	ParserContext *	ctx,
		ASTNode *	node,
		FILE *	out
	)

Generates code for a single AST node (non-recursive for siblings).

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codegen_type_to_string()

char * codegen_type_to_string

(

Type *

t

)

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codegen_walker()

void codegen_walker	(	ParserContext *	ctx,
		ASTNode *	node,
		FILE *	out
	)

Walker for list of nodes (calls codegen_node recursively).

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emit_auto_type()

void emit_auto_type	(	ParserContext *	ctx,
		ASTNode *	init_expr,
		Token	t,
		FILE *	out
	)

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emit_enum_protos()

void emit_enum_protos	(	ASTNode *	node,
		FILE *	out
	)

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emit_func_signature()

void emit_func_signature	(	ParserContext *	ctx,
		FILE *	out,
		ASTNode *	func,
		const char *	name_override
	)

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emit_global_aliases()

void emit_global_aliases	(	ParserContext *	ctx,
		FILE *	out
	)

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emit_globals()

void emit_globals	(	ParserContext *	ctx,
		ASTNode *	node,
		FILE *	out
	)

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emit_impl_vtables()

void emit_impl_vtables	(	ParserContext *	ctx,
		FILE *	out
	)

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emit_includes_and_aliases()

void emit_includes_and_aliases	(	ASTNode *	node,
		FILE *	out
	)

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emit_lambda_defs()

void emit_lambda_defs	(	ParserContext *	ctx,
		FILE *	out
	)

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emit_move_invalidation()

int emit_move_invalidation	(	ParserContext *	ctx,
		ASTNode *	node,
		FILE *	out
	)

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emit_preamble()

void emit_preamble	(	ParserContext *	ctx,
		FILE *	out
	)

Emits the standard preamble (includes, macros) to the output file.

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emit_protos()

void emit_protos	(	ParserContext *	ctx,
		ASTNode *	node,
		FILE *	out
	)

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emit_struct_defs()

void emit_struct_defs	(	ParserContext *	ctx,
		ASTNode *	node,
		FILE *	out
	)

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emit_tests_and_runner()

int emit_tests_and_runner	(	ParserContext *	ctx,
		ASTNode *	node,
		FILE *	out
	)

Emits test runner and test cases if testing is enabled.

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emit_trait_defs()

void emit_trait_defs	(	ASTNode *	node,
		FILE *	out
	)

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emit_type_aliases()

void emit_type_aliases	(	ASTNode *	node,
		FILE *	out
	)

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emit_var_decl_type()

void emit_var_decl_type	(	ParserContext *	ctx,
		FILE *	out,
		const char *	type_str,
		const char *	var_name
	)

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extract_call_args()

char * extract_call_args

(

const char *

args

)

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find_struct_def_codegen()

ASTNode * find_struct_def_codegen	(	ParserContext *	ctx,
		const char *	name
	)

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get_field_type_str()

char * get_field_type_str	(	ParserContext *	ctx,
		const char *	struct_name,
		const char *	field_name
	)

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infer_type()

char * infer_type	(	ParserContext *	ctx,
		ASTNode *	node
	)

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parse_original_method_name()

const char * parse_original_method_name

(

const char *

mangled

)

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print_type_defs()

void print_type_defs	(	ParserContext *	ctx,
		FILE *	out,
		ASTNode *	nodes
	)

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replace_string_type()

char * replace_string_type

(

const char *

args

)

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strip_template_suffix()

char * strip_template_suffix

(

const char *

name

)

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Variable Documentation

defer_count

int defer_count

extern

Counter for defer statements in current scope.

defer_stack

ASTNode* defer_stack[]

extern

Stack of deferred nodes.

func_defer_boundary

int func_defer_boundary

extern

Defer stack index at function entry.

g_current_func_ret_type

char* g_current_func_ret_type

extern

Return type of current function.

g_current_impl_type

char* g_current_impl_type

extern

Type currently being implemented (in impl block).

g_current_lambda

ASTNode* g_current_lambda

extern

Current lambda being generated.

global_user_structs

ASTNode* global_user_structs

extern

List of user defined structs.

loop_defer_boundary

int loop_defer_boundary[]

extern

Defer stack index at start of each loop.

loop_depth

int loop_depth

extern

Current loop nesting depth.

tmp_counter

int tmp_counter

extern

Counter for temporary variables.