85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
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#include "codegen.h"
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#include <mie/ir/func.h>
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#include <mie/ir/module.h>
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struct cascade_codegen_state {
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struct code_generator_state s_base;
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struct mie_value *s_recipient;
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struct mie_value *s_result;
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};
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static struct code_generator_result gen_cascade(
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struct ivy_codegen *gen, struct code_generator_state *state,
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struct ivy_ast_node *node, size_t depth)
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{
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return CODEGEN_RESULT_OK(0);
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}
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static struct code_generator_result gen_msg(
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struct ivy_codegen *gen, struct code_generator_state *state,
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struct ivy_ast_node *node, size_t depth)
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{
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struct cascade_codegen_state *cascade
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= (struct cascade_codegen_state *)state;
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codegen_push_generator(
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gen, CODE_GENERATOR_MSG, CODEGEN_F_IGNORE_RESULT,
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cascade->s_recipient);
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return CODEGEN_RESULT_OK(CODEGEN_R_REPEAT_NODE);
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}
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static struct code_generator_result gen_expr(
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struct ivy_codegen *gen, struct code_generator_state *state,
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struct ivy_ast_node *node, size_t depth)
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{
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struct cascade_codegen_state *cascade
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= (struct cascade_codegen_state *)state;
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if (cascade->s_recipient) {
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return CODEGEN_RESULT_ERR(IVY_ERR_BAD_SYNTAX);
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}
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codegen_push_generator(
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gen, CODE_GENERATOR_EXPR, CODEGEN_F_IGNORE_RESULT, NULL);
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return CODEGEN_RESULT_OK(CODEGEN_R_REPEAT_NODE);
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}
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static enum ivy_status state_fini(
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struct ivy_codegen *gen, struct code_generator_state *state,
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struct code_generator_value *result)
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{
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struct cascade_codegen_state *cascade
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= (struct cascade_codegen_state *)state;
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code_generator_value_set_mie_value(result, cascade->s_result);
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return IVY_OK;
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}
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static struct code_generator_result value_received(
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struct ivy_codegen *gen, struct code_generator_state *state,
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struct code_generator_value *value)
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{
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struct cascade_codegen_state *cascade
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= (struct cascade_codegen_state *)state;
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struct mie_value *mie_value = code_generator_value_get_mie_value(value);
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if (!cascade->s_recipient) {
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cascade->s_recipient = mie_value;
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}
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cascade->s_result = mie_value;
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return CODEGEN_RESULT_OK(0);
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}
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struct code_generator cascade_generator = {
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.g_type = CODE_GENERATOR_CASCADE,
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.g_state_size = sizeof(struct cascade_codegen_state),
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.g_state_fini = state_fini,
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.g_value_received = value_received,
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.g_node_generators = {
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NODE_CODEGEN(CASCADE, gen_cascade),
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NODE_CODEGEN(MSG, gen_msg),
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},
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.g_expr_generator = gen_expr,
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};
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