86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
#ifndef _LANG_CODEGEN_H_
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#define _LANG_CODEGEN_H_
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#include <blue/core/queue.h>
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#include <ivy/lang/ast.h>
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#include <ivy/lang/lex.h>
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#include <mie/builder.h>
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#define CODEGEN_RESULT_OK(flags) \
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(struct code_generator_result) \
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{ \
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.r_status = (IVY_OK), .r_flags = (flags) \
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}
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#define CODEGEN_RESULT_ERR(status) \
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(struct code_generator_result) \
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{ \
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.r_status = (status), .r_flags = (0) \
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}
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struct ivy_codegen;
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struct ivy_ast_node;
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struct mie_value;
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struct mie_func;
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enum code_generator_type {
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CODE_GENERATOR_NONE = 0,
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CODE_GENERATOR_UNIT,
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CODE_GENERATOR_EXPR,
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};
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struct code_generator_result {
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enum ivy_status r_status;
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enum code_generator_result_flags {
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CODEGEN_REPEAT_NODE = 0x01u,
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} r_flags;
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};
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struct code_generator_state;
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typedef enum ivy_status (*code_generator_state_init_callback)(
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struct ivy_codegen *, struct code_generator_state *);
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typedef enum ivy_status (*code_generator_state_fini_callback)(
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struct ivy_codegen *, struct code_generator_state *);
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typedef struct code_generator_result (*code_generator_callback)(
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struct ivy_codegen *);
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typedef struct code_generator_result (*code_generator_node_callback)(
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struct ivy_codegen *, struct code_generator_state *, struct ivy_ast_node *);
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struct code_generator {
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enum code_generator_type g_type;
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size_t g_state_size;
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code_generator_state_init_callback g_state_init;
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code_generator_state_fini_callback g_state_fini;
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code_generator_node_callback g_node_generators_pre[IVY_AST_TYPE_COUNT];
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code_generator_node_callback g_node_generators_post[IVY_AST_TYPE_COUNT];
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};
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struct code_generator_state {
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b_queue_entry s_entry;
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void *s_arg;
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const struct code_generator *s_gen;
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};
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struct ivy_codegen {
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b_queue c_ir_values;
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b_queue c_state;
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struct mie_builder *c_builder;
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struct mie_ctx *c_ctx;
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struct mie_module *c_module;
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};
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extern const struct code_generator *get_code_generator(
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enum code_generator_type type);
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extern enum ivy_status codegen_push_generator(
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struct ivy_codegen *gen, enum code_generator_type gen_type, void *arg);
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extern enum ivy_status codegen_pop_generator(struct ivy_codegen *gen);
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extern void codegen_push_value(struct ivy_codegen *gen, struct mie_value *value);
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extern struct mie_value *codegen_pop_value(struct ivy_codegen *gen);
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#endif
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