luboslenco
154 lines
2.8 KiB
C
154 lines
2.8 KiB
C
#pragma once
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#include "functions.h"
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#include "globals.h"
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#include "names.h"
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#include "tokenizer.h"
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#include "types.h"
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#include <stdbool.h>
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#include <stddef.h>
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struct expression;
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typedef struct expressions {
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struct expression *e[256];
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size_t size;
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} expressions;
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typedef struct expression {
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enum {
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EXPRESSION_BINARY,
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EXPRESSION_UNARY,
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EXPRESSION_BOOLEAN,
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EXPRESSION_FLOAT,
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EXPRESSION_INT,
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// EXPRESSION_STRING,
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EXPRESSION_VARIABLE,
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EXPRESSION_GROUPING,
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EXPRESSION_CALL,
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EXPRESSION_MEMBER,
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EXPRESSION_ELEMENT,
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EXPRESSION_SWIZZLE
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} kind;
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type_ref type;
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union {
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struct {
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struct expression *left;
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operatorr op;
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struct expression *right;
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} binary;
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struct {
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operatorr op;
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struct expression *right;
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} unary;
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bool boolean;
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double number;
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// char string[MAX_IDENTIFIER_SIZE];
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name_id variable;
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uint32_t index;
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struct expression *grouping;
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struct {
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name_id func_name;
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expressions parameters;
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} call;
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struct {
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struct expression *of;
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name_id member_name;
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} member;
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struct {
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struct expression *of;
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struct expression *element_index;
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} element;
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struct {
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struct expression *of;
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struct swizzle swizz;
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} swizzle;
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};
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} expression;
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struct statement;
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typedef struct statements {
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struct statement *s[256];
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size_t size;
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} statements;
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typedef struct local_variable {
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name_id name;
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type_ref type;
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uint64_t variable_id;
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} local_variable;
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typedef struct local_variables {
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local_variable v[256];
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size_t size;
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} local_variables;
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typedef struct block {
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struct block *parent;
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local_variables vars;
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statements statements;
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} block;
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typedef struct statement {
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enum {
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STATEMENT_EXPRESSION,
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STATEMENT_RETURN_EXPRESSION,
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STATEMENT_DISCARD,
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STATEMENT_IF,
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STATEMENT_WHILE,
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STATEMENT_DO_WHILE,
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STATEMENT_BLOCK,
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STATEMENT_LOCAL_VARIABLE
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} kind;
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union {
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expression *expression;
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struct {
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expression *test;
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struct statement *if_block;
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expression *else_tests[64];
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struct statement *else_blocks[64];
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uint16_t else_size;
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} iffy;
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struct {
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expression *test;
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struct statement *while_block;
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} whiley;
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block block;
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struct {
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local_variable var;
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expression *init;
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} local_variable;
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};
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} statement;
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typedef struct definition {
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enum {
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DEFINITION_FUNCTION,
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DEFINITION_STRUCT,
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DEFINITION_TEX1D,
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DEFINITION_TEX2D,
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DEFINITION_TEX3D,
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DEFINITION_TEXCUBE,
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DEFINITION_TEX1DARRAY,
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DEFINITION_TEX2DARRAY,
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DEFINITION_TEXCUBEARRAY,
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DEFINITION_SAMPLER,
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DEFINITION_CONST_CUSTOM,
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DEFINITION_CONST_BASIC,
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DEFINITION_BVH
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} kind;
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union {
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function_id function;
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global_id global;
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type_id type;
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};
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} definition;
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void parse(const char *filename, tokens *tokens);
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