lang: codegen: expr: implement generating true/false/null constants
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@@ -105,6 +105,39 @@ static struct code_generator_result gen_int(
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return CODEGEN_RESULT_OK(0);
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}
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static struct code_generator_result gen_keyword_const(
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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 expr_codegen_state *expr = (struct expr_codegen_state *)state;
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debug_printf("codegen: got keyword const\n");
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struct mie_value *value = NULL;
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switch (node->n_type) {
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case IVY_AST_C_TRUE:
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value = mie_ctx_get_int(gen->c_ctx, 1, 1);
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break;
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case IVY_AST_C_FALSE:
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value = mie_ctx_get_int(gen->c_ctx, 0, 1);
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break;
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case IVY_AST_C_NULL:
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value = mie_ctx_get_null(gen->c_ctx);
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break;
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default:
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return CODEGEN_RESULT_ERR(IVY_ERR_BAD_SYNTAX);
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break;
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}
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enum ivy_status status = push_operand(expr, node, value, NULL);
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if (status != IVY_OK) {
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return CODEGEN_RESULT_ERR(status);
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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_string(
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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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@@ -508,6 +541,9 @@ struct code_generator expr_generator = {
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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(C_TRUE, gen_keyword_const),
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NODE_CODEGEN(C_FALSE, gen_keyword_const),
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NODE_CODEGEN(C_NULL, gen_keyword_const),
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NODE_CODEGEN(INT, gen_int),
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NODE_CODEGEN(OP, gen_op),
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NODE_CODEGEN(MSG, gen_msg),
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