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yarp_compiler.c
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yarp_compiler.c
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#include "yarp.h"
#define OLD_ISEQ NEW_ISEQ
#undef NEW_ISEQ
#define NEW_ISEQ(node, name, type, line_no) \
yp_new_child_iseq(iseq, (node), parser, rb_fstring(name), 0, (type), (line_no))
#define OLD_CHILD_ISEQ NEW_CHILD_ISEQ
#undef NEW_CHILD_ISEQ
#define NEW_CHILD_ISEQ(node, name, type, line_no) \
yp_new_child_iseq(iseq, (node), parser, rb_fstring(name), iseq, (type), (line_no))
rb_iseq_t *
yp_iseq_new_with_opt(yp_scope_node_t *node, yp_parser_t *parser, VALUE name, VALUE path, VALUE realpath,
int first_lineno, const rb_iseq_t *parent, int isolated_depth,
enum rb_iseq_type type, const rb_compile_option_t *option);
static VALUE
parse_number(const yp_node_t *node) {
const uint8_t *start = node->location.start;
const uint8_t *end = node->location.end;
size_t length = end - start;
char *buffer = malloc(length + 1);
memcpy(buffer, start, length);
buffer[length] = '\0';
VALUE number = rb_cstr_to_inum(buffer, -10, Qfalse);
free(buffer);
return number;
}
static inline VALUE
parse_string(yp_string_t *string) {
return rb_str_new((const char *) yp_string_source(string), yp_string_length(string));
}
static inline ID
parse_symbol(const uint8_t *start, const uint8_t *end) {
return rb_intern2((const char *) start, end - start);
}
static inline ID
parse_node_symbol(yp_node_t *node) {
return parse_symbol(node->location.start, node->location.end);
}
static inline ID
parse_string_symbol(yp_string_t *string) {
const uint8_t *start = yp_string_source(string);
return parse_symbol(start, start + yp_string_length(string));
}
static inline ID
parse_location_symbol(yp_location_t *location) {
return parse_symbol(location->start, location->end);
}
static int
yp_optimizable_range_item_p(yp_node_t *node)
{
return (!node || node->type == YP_NODE_INTEGER_NODE || node->type == YP_NODE_NIL_NODE);
}
static bool
yp_static_node_literal_p(yp_node_t *node)
{
switch(node->type) {
case YP_NODE_FALSE_NODE:
case YP_NODE_FLOAT_NODE:
case YP_NODE_IMAGINARY_NODE:
case YP_NODE_INTEGER_NODE:
case YP_NODE_NIL_NODE:
case YP_NODE_RATIONAL_NODE:
case YP_NODE_SELF_NODE:
case YP_NODE_STRING_NODE:
case YP_NODE_SOURCE_ENCODING_NODE:
case YP_NODE_SOURCE_FILE_NODE:
case YP_NODE_SOURCE_LINE_NODE:
case YP_NODE_SYMBOL_NODE:
case YP_NODE_TRUE_NODE:
return true;
default:
return false;
}
}
static inline VALUE
yp_static_literal_value(yp_node_t *node)
{
switch(node->type) {
case YP_NODE_NIL_NODE:
return Qnil;
case YP_NODE_TRUE_NODE:
return Qtrue;
case YP_NODE_FALSE_NODE:
return Qfalse;
// TODO: Implement this method for the other literal nodes described above
default:
rb_bug("This node type doesn't have a literal value");
}
}
static void
yp_compile_branch_condition(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const yp_node_t *cond,
LABEL *then_label, LABEL *else_label, const uint8_t *src, bool popped, yp_compile_context_t *compile_context);
static void
yp_compile_logical(rb_iseq_t *iseq, LINK_ANCHOR *const ret, yp_node_t *cond,
LABEL *then_label, LABEL *else_label, const uint8_t *src, bool popped, yp_compile_context_t *compile_context)
{
yp_parser_t *parser = compile_context->parser;
yp_newline_list_t newline_list = parser->newline_list;
int lineno = (int)yp_newline_list_line_column(&newline_list, cond->location.start).line;
NODE dummy_line_node = generate_dummy_line_node(lineno, lineno);
DECL_ANCHOR(seq);
INIT_ANCHOR(seq);
LABEL *label = NEW_LABEL(lineno);
if (!then_label) then_label = label;
else if (!else_label) else_label = label;
yp_compile_branch_condition(iseq, seq, cond, then_label, else_label, src, popped, compile_context);
if (LIST_INSN_SIZE_ONE(seq)) {
INSN *insn = (INSN *)ELEM_FIRST_INSN(FIRST_ELEMENT(seq));
if (insn->insn_id == BIN(jump) && (LABEL *)(insn->operands[0]) == label)
return;
}
if (!label->refcnt) {
ADD_INSN(seq, &dummy_line_node, putnil);
}
else {
ADD_LABEL(seq, label);
}
ADD_SEQ(ret, seq);
return;
}
static void yp_compile_node(rb_iseq_t *iseq, const yp_node_t *node, LINK_ANCHOR *const ret, const uint8_t *src, bool popped, yp_compile_context_t *context);
static void
yp_compile_branch_condition(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const yp_node_t *cond,
LABEL *then_label, LABEL *else_label, const uint8_t *src, bool popped, yp_compile_context_t *compile_context)
{
yp_parser_t *parser = compile_context->parser;
yp_newline_list_t newline_list = parser->newline_list;
int lineno = (int) yp_newline_list_line_column(&newline_list, cond->location.start).line;
NODE dummy_line_node = generate_dummy_line_node(lineno, lineno);
again:
switch (YP_NODE_TYPE(cond)) {
case YP_NODE_AND_NODE: {
yp_and_node_t *and_node = (yp_and_node_t *)cond;
yp_compile_logical(iseq, ret, and_node->left, NULL, else_label, src, popped, compile_context);
cond = and_node->right;
goto again;
}
case YP_NODE_OR_NODE: {
yp_or_node_t *or_node = (yp_or_node_t *)cond;
yp_compile_logical(iseq, ret, or_node->left, then_label, NULL, src, popped, compile_context);
cond = or_node->right;
goto again;
}
case YP_NODE_FALSE_NODE:
case YP_NODE_NIL_NODE:
ADD_INSNL(ret, &dummy_line_node, jump, else_label);
return;
case YP_NODE_FLOAT_NODE:
case YP_NODE_IMAGINARY_NODE:
case YP_NODE_INTEGER_NODE:
case YP_NODE_LAMBDA_NODE:
case YP_NODE_RATIONAL_NODE:
case YP_NODE_REGULAR_EXPRESSION_NODE:
case YP_NODE_STRING_NODE:
case YP_NODE_SYMBOL_NODE:
case YP_NODE_TRUE_NODE:
ADD_INSNL(ret, &dummy_line_node, jump, then_label);
return;
// TODO: Several more nodes in this case statement
default:
{
DECL_ANCHOR(cond_seq);
INIT_ANCHOR(cond_seq);
yp_compile_node(iseq, cond, cond_seq, src, false, compile_context);
ADD_SEQ(ret, cond_seq);
}
break;
}
ADD_INSNL(ret, &dummy_line_node, branchunless, else_label);
ADD_INSNL(ret, &dummy_line_node, jump, then_label);
return;
}
static void
yp_compile_if(rb_iseq_t *iseq, const int line, yp_statements_node_t *node_body, yp_node_t *node_else, yp_node_t *predicate, LINK_ANCHOR *const ret, const uint8_t *src, bool popped, yp_compile_context_t *compile_context) {
NODE line_node = generate_dummy_line_node(line, line);
DECL_ANCHOR(cond_seq);
LABEL *then_label, *else_label, *end_label;
INIT_ANCHOR(cond_seq);
then_label = NEW_LABEL(line);
else_label = NEW_LABEL(line);
end_label = 0;
yp_compile_branch_condition(iseq, cond_seq, predicate, then_label, else_label, src, popped, compile_context);
ADD_SEQ(ret, cond_seq);
if (then_label->refcnt) {
ADD_LABEL(ret, then_label);
DECL_ANCHOR(then_seq);
INIT_ANCHOR(then_seq);
if (node_body) {
yp_compile_node(iseq, (yp_node_t *)node_body, then_seq, src, popped, compile_context);
}
else {
if (!popped) {
ADD_INSN(ret, &line_node, putnil);
}
}
if (else_label->refcnt) {
end_label = NEW_LABEL(line);
ADD_INSNL(then_seq, &line_node, jump, end_label);
if (!popped) {
ADD_INSN(then_seq, &line_node, pop);
}
}
ADD_SEQ(ret, then_seq);
}
if (else_label->refcnt) {
ADD_LABEL(ret, else_label);
DECL_ANCHOR(else_seq);
INIT_ANCHOR(else_seq);
if (node_else) {
yp_compile_node(iseq, (yp_node_t *)(((yp_else_node_t *)node_else)->statements), else_seq, src, popped, compile_context);
}
else {
if (!popped) {
ADD_INSN(ret, &line_node, putnil);
}
}
ADD_SEQ(ret, else_seq);
}
if (end_label) {
ADD_LABEL(ret, end_label);
}
return;
}
static void
yp_compile_while(rb_iseq_t *iseq, int lineno, yp_node_flags_t flags, enum yp_node_type type, yp_statements_node_t *statements, yp_node_t *predicate, LINK_ANCHOR *const ret, const uint8_t *src, bool popped, yp_compile_context_t *compile_context)
{
NODE dummy_line_node = generate_dummy_line_node(lineno, lineno);
LABEL *prev_start_label = ISEQ_COMPILE_DATA(iseq)->start_label;
LABEL *prev_end_label = ISEQ_COMPILE_DATA(iseq)->end_label;
LABEL *prev_redo_label = ISEQ_COMPILE_DATA(iseq)->redo_label;
// TODO: Deal with ensures in here
LABEL *next_label = ISEQ_COMPILE_DATA(iseq)->start_label = NEW_LABEL(lineno); /* next */
LABEL *redo_label = ISEQ_COMPILE_DATA(iseq)->redo_label = NEW_LABEL(lineno); /* redo */
LABEL *break_label = ISEQ_COMPILE_DATA(iseq)->end_label = NEW_LABEL(lineno); /* break */
LABEL *end_label = NEW_LABEL(lineno);
LABEL *adjust_label = NEW_LABEL(lineno);
LABEL *next_catch_label = NEW_LABEL(lineno);
LABEL *tmp_label = NULL;
// begin; end while true
if (flags & YP_LOOP_FLAGS_BEGIN_MODIFIER) {
tmp_label = NEW_LABEL(lineno);
ADD_INSNL(ret, &dummy_line_node, jump, tmp_label);
}
else {
// while true; end
ADD_INSNL(ret, &dummy_line_node, jump, next_label);
}
ADD_LABEL(ret, adjust_label);
ADD_INSN(ret, &dummy_line_node, putnil);
ADD_LABEL(ret, next_catch_label);
ADD_INSN(ret, &dummy_line_node, pop);
ADD_INSNL(ret, &dummy_line_node, jump, next_label);
if (tmp_label) ADD_LABEL(ret, tmp_label);
ADD_LABEL(ret, redo_label);
if (statements) {
yp_compile_node(iseq, (yp_node_t *)statements, ret, src, true, compile_context);
}
ADD_LABEL(ret, next_label);
if (type == YP_NODE_WHILE_NODE) {
yp_compile_branch_condition(iseq, ret, predicate, redo_label, end_label, src, popped, compile_context);
}
else if (type == YP_NODE_UNTIL_NODE) {
yp_compile_branch_condition(iseq, ret, predicate, end_label, redo_label, src, popped, compile_context);
}
ADD_LABEL(ret, end_label);
ADD_ADJUST_RESTORE(ret, adjust_label);
ADD_INSN(ret, &dummy_line_node, putnil);
ADD_LABEL(ret, break_label);
if (popped) {
ADD_INSN(ret, &dummy_line_node, pop);
}
ADD_CATCH_ENTRY(CATCH_TYPE_BREAK, redo_label, break_label, NULL,
break_label);
ADD_CATCH_ENTRY(CATCH_TYPE_NEXT, redo_label, break_label, NULL,
next_catch_label);
ADD_CATCH_ENTRY(CATCH_TYPE_REDO, redo_label, break_label, NULL,
ISEQ_COMPILE_DATA(iseq)->redo_label);
ISEQ_COMPILE_DATA(iseq)->start_label = prev_start_label;
ISEQ_COMPILE_DATA(iseq)->end_label = prev_end_label;
ISEQ_COMPILE_DATA(iseq)->redo_label = prev_redo_label;
return;
}
static int
yp_lookup_local_index(rb_iseq_t *iseq, yp_compile_context_t *compile_context, yp_constant_id_t constant_id)
{
st_data_t local_index;
int num_params = ISEQ_BODY(iseq)->param.size;
if (!st_lookup(compile_context->index_lookup_table, constant_id, &local_index)) {
rb_bug("This local does not exist");
}
return num_params - (int)local_index;
}
static int
yp_lookup_local_index_with_depth(rb_iseq_t *iseq, yp_compile_context_t *compile_context, yp_constant_id_t constant_id, uint32_t depth)
{
for(uint32_t i = 0; i < depth; i++) {
compile_context = compile_context->previous;
iseq = (rb_iseq_t *)ISEQ_BODY(iseq)->parent_iseq;
}
return yp_lookup_local_index(iseq, compile_context, constant_id);
}
// This returns the CRuby ID which maps to the yp_constant_id_t
//
// Constant_ids in YARP are indexes of the constants in YARP's constant pool.
// We add a constants mapping on the compile_context which is a mapping from
// these constant_id indexes to the CRuby IDs that they represent.
// This helper method allows easy access to those IDs
static ID
yp_constant_id_lookup(yp_compile_context_t *compile_context, yp_constant_id_t constant_id)
{
return compile_context->constants[constant_id - 1];
}
static rb_iseq_t *
yp_new_child_iseq(rb_iseq_t *iseq, yp_scope_node_t * node, yp_parser_t *parser,
VALUE name, const rb_iseq_t *parent, enum rb_iseq_type type, int line_no)
{
debugs("[new_child_iseq]> ---------------------------------------\n");
int isolated_depth = ISEQ_COMPILE_DATA(iseq)->isolated_depth;
rb_iseq_t * ret_iseq = yp_iseq_new_with_opt(node, parser, name,
rb_iseq_path(iseq), rb_iseq_realpath(iseq),
line_no, parent,
isolated_depth ? isolated_depth + 1 : 0,
type, ISEQ_COMPILE_DATA(iseq)->option);
debugs("[new_child_iseq]< ---------------------------------------\n");
return ret_iseq;
}
static int
yp_compile_class_path(LINK_ANCHOR *const ret, rb_iseq_t *iseq, const yp_node_t *constant_path_node, const NODE *line_node, const uint8_t * src, bool popped, yp_compile_context_t *compile_context)
{
if (constant_path_node->type == YP_NODE_CONSTANT_PATH_NODE) {
yp_node_t *parent = ((yp_constant_path_node_t *)constant_path_node)->parent;
if (parent) {
/* Bar::Foo */
yp_compile_node(iseq, parent, ret, src, popped, compile_context);
return VM_DEFINECLASS_FLAG_SCOPED;
}
else {
/* toplevel class ::Foo */
ADD_INSN1(ret, line_node, putobject, rb_cObject);
return VM_DEFINECLASS_FLAG_SCOPED;
}
}
else {
/* class at cbase Foo */
ADD_INSN1(ret, line_node, putspecialobject,
INT2FIX(VM_SPECIAL_OBJECT_CONST_BASE));
return 0;
}
}
/*
* Compiles a YARP node into instruction sequences
*
* iseq - The current instruction sequence object (used for locals)
* node - The yarp node to compile
* ret - The linked list of instruction sequences to append instructions onto
* popped - True if compiling something with no side effects, so instructions don't
* need to be added
* compile_context - Stores parser and local information
*/
static void
yp_compile_node(rb_iseq_t *iseq, const yp_node_t *node, LINK_ANCHOR *const ret, const uint8_t *src, bool popped, yp_compile_context_t *compile_context)
{
yp_parser_t *parser = compile_context->parser;
yp_newline_list_t newline_list = parser->newline_list;
int lineno = (int)yp_newline_list_line_column(&newline_list, node->location.start).line;
NODE dummy_line_node = generate_dummy_line_node(lineno, lineno);
switch (YP_NODE_TYPE(node)) {
case YP_NODE_ALIAS_NODE: {
yp_alias_node_t *alias_node = (yp_alias_node_t *) node;
ADD_INSN1(ret, &dummy_line_node, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
ADD_INSN1(ret, &dummy_line_node, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_CBASE));
yp_compile_node(iseq, alias_node->new_name, ret, src, popped, compile_context);
yp_compile_node(iseq, alias_node->old_name, ret, src, popped, compile_context);
ADD_SEND(ret, &dummy_line_node, id_core_set_method_alias, INT2FIX(3));
return;
}
case YP_NODE_AND_NODE: {
yp_and_node_t *and_node = (yp_and_node_t *) node;
LABEL *end_label = NEW_LABEL(lineno);
yp_compile_node(iseq, and_node->left, ret, src, popped, compile_context);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ADD_INSNL(ret, &dummy_line_node, branchunless, end_label);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, pop);
}
yp_compile_node(iseq, and_node->right, ret, src, popped, compile_context);
ADD_LABEL(ret, end_label);
return;
}
case YP_NODE_ARGUMENTS_NODE: {
yp_arguments_node_t *arguments_node = (yp_arguments_node_t *) node;
yp_node_list_t node_list = arguments_node->arguments;
for (size_t index = 0; index < node_list.size; index++) {
yp_compile_node(iseq, node_list.nodes[index], ret, src, popped, compile_context);
}
return;
}
case YP_NODE_ARRAY_NODE: {
yp_array_node_t *array_node = (yp_array_node_t *) node;
yp_node_list_t elements = array_node->elements;
if (elements.size == 1 && yp_static_node_literal_p(elements.nodes[0])) {
VALUE ary = rb_ary_hidden_new(1);
rb_ary_push(ary, yp_static_literal_value(elements.nodes[0]));
OBJ_FREEZE(ary);
ADD_INSN1(ret, &dummy_line_node, duparray, ary);
}
else {
for (size_t index = 0; index < elements.size; index++) {
yp_compile_node(iseq, elements.nodes[index], ret, src, popped, compile_context);
}
if (!popped) {
ADD_INSN1(ret, &dummy_line_node, newarray, INT2FIX(elements.size));
}
}
return;
}
case YP_NODE_ASSOC_NODE: {
yp_assoc_node_t *assoc_node = (yp_assoc_node_t *) node;
yp_compile_node(iseq, assoc_node->key, ret, src, popped, compile_context);
if (assoc_node->value) {
yp_compile_node(iseq, assoc_node->value, ret, src, popped, compile_context);
}
return;
}
case YP_NODE_ASSOC_SPLAT_NODE: {
yp_assoc_splat_node_t *assoc_splat_node = (yp_assoc_splat_node_t *)node;
yp_compile_node(iseq, assoc_splat_node->value, ret, src, popped, compile_context);
// TODO: Not sure this is accurate, look at FLUSH_CHUNK in the compiler
ADD_INSN1(ret, &dummy_line_node, newarraykwsplat, INT2FIX(0));
if (popped) {
ADD_INSN(ret, &dummy_line_node, pop);
}
return;
}
case YP_NODE_BACK_REFERENCE_READ_NODE: {
if (!popped) {
// Since a back reference is `$<char>`, ruby represents the ID as the
// an rb_intern on the value after the `$`.
char *char_ptr = (char *)(node->location.start) + 1;
ID backref_val = INT2FIX(rb_intern2(char_ptr, 1)) << 1 | 1;
ADD_INSN2(ret, &dummy_line_node, getspecial, INT2FIX(1), backref_val);
}
return;
}
case YP_NODE_BEGIN_NODE: {
yp_begin_node_t *begin_node = (yp_begin_node_t *) node;
if (begin_node->statements) {
yp_compile_node(iseq, (yp_node_t *)begin_node->statements, ret, src, popped, compile_context);
}
return;
}
case YP_NODE_BREAK_NODE: {
yp_break_node_t *break_node = (yp_break_node_t *) node;
if (break_node->arguments) {
yp_compile_node(iseq, (yp_node_t *)break_node->arguments, ret, src, Qfalse, compile_context);
}
else {
ADD_INSN(ret, &dummy_line_node, putnil);
}
ADD_INSNL(ret, &dummy_line_node, jump, ISEQ_COMPILE_DATA(iseq)->end_label);
return;
}
case YP_NODE_CALL_NODE: {
yp_call_node_t *call_node = (yp_call_node_t *) node;
ID method_id = parse_string_symbol(&call_node->name);
int flags = 0;
int orig_argc = 0;
if (call_node->receiver == NULL) {
ADD_INSN(ret, &dummy_line_node, putself);
} else {
yp_compile_node(iseq, call_node->receiver, ret, src, false, compile_context);
}
if (call_node->arguments == NULL) {
if (flags & VM_CALL_FCALL) {
flags |= VM_CALL_VCALL;
}
} else {
yp_arguments_node_t *arguments = call_node->arguments;
yp_compile_node(iseq, (yp_node_t *) arguments, ret, src, false, compile_context);
orig_argc = (int)arguments->arguments.size;
}
VALUE block_iseq = Qnil;
if (call_node->block != NULL) {
// Scope associated with the block
yp_scope_node_t scope_node;
yp_scope_node_init((yp_node_t *)call_node->block, &scope_node);
const rb_iseq_t *block_iseq = NEW_CHILD_ISEQ(&scope_node, make_name_for_block(iseq), ISEQ_TYPE_BLOCK, lineno);
ISEQ_COMPILE_DATA(iseq)->current_block = block_iseq;
ADD_SEND_WITH_BLOCK(ret, &dummy_line_node, method_id, INT2FIX(orig_argc), block_iseq);
}
else {
if (block_iseq == Qnil && flags == 0) {
flags |= VM_CALL_ARGS_SIMPLE;
}
if (call_node->receiver == NULL) {
flags |= VM_CALL_FCALL;
if (block_iseq == Qnil && call_node->arguments == NULL) {
flags |= VM_CALL_VCALL;
}
}
ADD_SEND_WITH_FLAG(ret, &dummy_line_node, method_id, INT2NUM(orig_argc), INT2FIX(flags));
}
if (popped) {
ADD_INSN(ret, &dummy_line_node, pop);
}
return;
}
case YP_NODE_CLASS_NODE: {
yp_class_node_t *class_node = (yp_class_node_t *)node;
yp_scope_node_t scope_node;
yp_scope_node_init((yp_node_t *)class_node, &scope_node);
ID class_id = yp_constant_id_lookup(compile_context, class_node->name_constant);
VALUE class_name = rb_str_freeze(rb_sprintf("<class:%"PRIsVALUE">", rb_id2str(class_id)));
const rb_iseq_t *class_iseq = NEW_CHILD_ISEQ(&scope_node, class_name, ISEQ_TYPE_CLASS, lineno);
// TODO: Once we merge constant path nodes correctly, fix this flag
const int flags = VM_DEFINECLASS_TYPE_CLASS |
(class_node->superclass ? VM_DEFINECLASS_FLAG_HAS_SUPERCLASS : 0) |
yp_compile_class_path(ret, iseq, class_node->constant_path, &dummy_line_node, src, popped, compile_context);
if (class_node->superclass) {
yp_compile_node(iseq, class_node->superclass, ret, src, popped, compile_context);
}
else {
ADD_INSN(ret, &dummy_line_node, putnil);
}
ADD_INSN3(ret, &dummy_line_node, defineclass, ID2SYM(class_id), class_iseq, INT2FIX(flags));
RB_OBJ_WRITTEN(iseq, Qundef, (VALUE)class_iseq);
if (popped) {
ADD_INSN(ret, &dummy_line_node, pop);
}
return;
}
case YP_NODE_CLASS_VARIABLE_AND_WRITE_NODE: {
yp_class_variable_and_write_node_t *class_variable_and_write_node = (yp_class_variable_and_write_node_t*) node;
LABEL *end_label = NEW_LABEL(lineno);
ID class_variable_name_id = yp_constant_id_lookup(compile_context, class_variable_and_write_node->name);
VALUE class_variable_name_val = ID2SYM(class_variable_name_id);
ADD_INSN2(ret, &dummy_line_node, getclassvariable,
class_variable_name_val,
get_cvar_ic_value(iseq, class_variable_name_id));
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ADD_INSNL(ret, &dummy_line_node, branchunless, end_label);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, pop);
}
yp_compile_node(iseq, class_variable_and_write_node->value, ret, src, false, compile_context);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ADD_INSN2(ret, &dummy_line_node, setclassvariable,
class_variable_name_val,
get_cvar_ic_value(iseq, class_variable_name_id));
ADD_LABEL(ret, end_label);
return;
}
case YP_NODE_CLASS_VARIABLE_OPERATOR_WRITE_NODE: {
yp_class_variable_operator_write_node_t *class_variable_operator_write_node = (yp_class_variable_operator_write_node_t*) node;
ID class_variable_name_id = yp_constant_id_lookup(compile_context, class_variable_operator_write_node->name);
VALUE class_variable_name_val = ID2SYM(class_variable_name_id);
ADD_INSN2(ret, &dummy_line_node, getclassvariable,
class_variable_name_val,
get_cvar_ic_value(iseq, class_variable_name_id));
yp_compile_node(iseq, class_variable_operator_write_node->value, ret, src, false, compile_context);
ID method_id = yp_constant_id_lookup(compile_context, class_variable_operator_write_node->operator);
int flags = VM_CALL_ARGS_SIMPLE;
ADD_SEND_WITH_FLAG(ret, &dummy_line_node, method_id, INT2NUM(1), INT2FIX(flags));
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ADD_INSN2(ret, &dummy_line_node, setclassvariable,
class_variable_name_val,
get_cvar_ic_value(iseq, class_variable_name_id));
return;
}
case YP_NODE_CLASS_VARIABLE_OR_WRITE_NODE: {
yp_class_variable_or_write_node_t *class_variable_or_write_node = (yp_class_variable_or_write_node_t*) node;
LABEL *end_label = NEW_LABEL(lineno);
ID class_variable_name_id = yp_constant_id_lookup(compile_context, class_variable_or_write_node->name);
VALUE class_variable_name_val = ID2SYM(class_variable_name_id);
ADD_INSN2(ret, &dummy_line_node, getclassvariable,
class_variable_name_val,
get_cvar_ic_value(iseq, class_variable_name_id));
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ADD_INSNL(ret, &dummy_line_node, branchif, end_label);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, pop);
}
yp_compile_node(iseq, class_variable_or_write_node->value, ret, src, false, compile_context);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ADD_INSN2(ret, &dummy_line_node, setclassvariable,
class_variable_name_val,
get_cvar_ic_value(iseq, class_variable_name_id));
ADD_LABEL(ret, end_label);
return;
}
case YP_NODE_CLASS_VARIABLE_READ_NODE: {
if (!popped) {
yp_class_variable_read_node_t *class_variable_read_node = (yp_class_variable_read_node_t *) node;
ID cvar_name = yp_constant_id_lookup(compile_context, class_variable_read_node->name);
ADD_INSN2(
ret,
&dummy_line_node,
getclassvariable,
ID2SYM(cvar_name),
get_cvar_ic_value(iseq, cvar_name)
);
}
return;
}
case YP_NODE_CLASS_VARIABLE_WRITE_NODE: {
yp_class_variable_write_node_t *write_node = (yp_class_variable_write_node_t *) node;
yp_compile_node(iseq, write_node->value, ret, src, false, compile_context);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ID cvar_name = yp_constant_id_lookup(compile_context, write_node->name);
ADD_INSN2(ret, &dummy_line_node, setclassvariable, ID2SYM(cvar_name), get_cvar_ic_value(iseq, cvar_name));
return;
}
case YP_NODE_CONSTANT_PATH_NODE: {
yp_constant_path_node_t *constant_path_node = (yp_constant_path_node_t*) node;
if (constant_path_node->parent) {
yp_compile_node(iseq, constant_path_node->parent, ret, src, popped, compile_context);
}
ADD_INSN1(ret, &dummy_line_node, putobject, Qfalse);
ADD_INSN1(ret, &dummy_line_node, getconstant, ID2SYM(parse_node_symbol((yp_node_t *)constant_path_node->child)));
return;
}
case YP_NODE_CONSTANT_PATH_WRITE_NODE: {
yp_constant_path_write_node_t *constant_path_write_node = (yp_constant_path_write_node_t*) node;
yp_compile_node(iseq, constant_path_write_node->value, ret, src, popped, compile_context);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ID constant_var_name = parse_location_symbol(&constant_path_write_node->target->base.location);
ADD_INSN1(ret, &dummy_line_node, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_CONST_BASE));
ADD_INSN1(ret, &dummy_line_node, setconstant, ID2SYM(constant_var_name));
return;
}
case YP_NODE_CONSTANT_READ_NODE: {
yp_constant_read_node_t *constant_read_node = (yp_constant_read_node_t *) node;
ADD_INSN(ret, &dummy_line_node, putnil);
ADD_INSN1(ret, &dummy_line_node, putobject, Qtrue);
ADD_INSN1(ret, &dummy_line_node, getconstant, ID2SYM(parse_node_symbol((yp_node_t *)constant_read_node)));
if (popped) {
ADD_INSN(ret, &dummy_line_node, pop);
}
return;
}
case YP_NODE_CONSTANT_AND_WRITE_NODE: {
yp_constant_and_write_node_t *constant_and_write_node = (yp_constant_and_write_node_t*) node;
LABEL *end_label = NEW_LABEL(lineno);
VALUE constant_name = ID2SYM(parse_location_symbol(&constant_and_write_node->name_loc));
ADD_INSN(ret, &dummy_line_node, putnil);
ADD_INSN1(ret, &dummy_line_node, putobject, Qtrue);
ADD_INSN1(ret, &dummy_line_node, getconstant, constant_name);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ADD_INSNL(ret, &dummy_line_node, branchunless, end_label);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, pop);
}
yp_compile_node(iseq, constant_and_write_node->value, ret, src, false, compile_context);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ADD_INSN1(ret, &dummy_line_node, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_CONST_BASE));
ADD_INSN1(ret, &dummy_line_node, setconstant, constant_name);
ADD_LABEL(ret, end_label);
return;
}
case YP_NODE_CONSTANT_OPERATOR_WRITE_NODE: {
yp_constant_operator_write_node_t *constant_operator_write_node = (yp_constant_operator_write_node_t*) node;
ID constant_name = parse_location_symbol(&constant_operator_write_node->name_loc);
ADD_INSN(ret, &dummy_line_node, putnil);
ADD_INSN1(ret, &dummy_line_node, putobject, Qtrue);
ADD_INSN1(ret, &dummy_line_node, getconstant, ID2SYM(constant_name));
yp_compile_node(iseq, constant_operator_write_node->value, ret, src, false, compile_context);
ID method_id = yp_constant_id_lookup(compile_context, constant_operator_write_node->operator);
int flags = VM_CALL_ARGS_SIMPLE;
ADD_SEND_WITH_FLAG(ret, &dummy_line_node, method_id, INT2NUM(1), INT2FIX(flags));
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ADD_INSN1(ret, &dummy_line_node, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_CONST_BASE));
ADD_INSN1(ret, &dummy_line_node, setconstant, ID2SYM(constant_name));
return;
}
case YP_NODE_CONSTANT_OR_WRITE_NODE: {
yp_constant_or_write_node_t *constant_or_write_node = (yp_constant_or_write_node_t*) node;
LABEL *set_label= NEW_LABEL(lineno);
LABEL *end_label = NEW_LABEL(lineno);
ADD_INSN(ret, &dummy_line_node, putnil);
VALUE constant_name = ID2SYM(parse_location_symbol(&constant_or_write_node->name_loc));
ADD_INSN3(ret, &dummy_line_node, defined, INT2FIX(DEFINED_CONST), constant_name, Qtrue);
ADD_INSNL(ret, &dummy_line_node, branchunless, set_label);
ADD_INSN(ret, &dummy_line_node, putnil);
ADD_INSN1(ret, &dummy_line_node, putobject, Qtrue);
ADD_INSN1(ret, &dummy_line_node, getconstant, constant_name);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ADD_INSNL(ret, &dummy_line_node, branchif, end_label);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, pop);
}
ADD_LABEL(ret, set_label);
yp_compile_node(iseq, constant_or_write_node->value, ret, src, false, compile_context);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ADD_INSN1(ret, &dummy_line_node, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_CONST_BASE));
ADD_INSN1(ret, &dummy_line_node, setconstant, constant_name);
ADD_LABEL(ret, end_label);
return;
}
case YP_NODE_CONSTANT_WRITE_NODE: {
yp_constant_write_node_t *constant_write_node = (yp_constant_write_node_t *) node;
yp_compile_node(iseq, constant_write_node->value, ret, src, false, compile_context);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ADD_INSN1(ret, &dummy_line_node, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_CONST_BASE));
ID constant_name = parse_location_symbol(&constant_write_node->name_loc);
ADD_INSN1(ret, &dummy_line_node, setconstant, ID2SYM(constant_name));
return;
}
case YP_NODE_DEF_NODE: {
yp_def_node_t *def_node = (yp_def_node_t *) node;
ID method_name = parse_location_symbol(&def_node->name_loc);
yp_scope_node_t scope_node;
yp_scope_node_init((yp_node_t *)def_node, &scope_node);
rb_iseq_t *method_iseq = NEW_ISEQ(&scope_node, rb_id2str(method_name), ISEQ_TYPE_METHOD, lineno);
ADD_INSN2(ret, &dummy_line_node, definemethod, ID2SYM(method_name), method_iseq);
RB_OBJ_WRITTEN(iseq, Qundef, (VALUE)method_iseq);
if (!popped) {
ADD_INSN1(ret, &dummy_line_node, putobject, ID2SYM(method_name));
}
return;
}
case YP_NODE_DEFINED_NODE: {
ADD_INSN(ret, &dummy_line_node, putself);
yp_defined_node_t *defined_node = (yp_defined_node_t *)node;
// TODO: Correct defined_type
enum defined_type dtype = DEFINED_CONST;
VALUE sym = parse_number(defined_node->value);
ADD_INSN3(ret, &dummy_line_node, defined, INT2FIX(dtype), sym, rb_iseq_defined_string(dtype));
return;
}
case YP_NODE_EMBEDDED_STATEMENTS_NODE: {
yp_embedded_statements_node_t *embedded_statements_node = (yp_embedded_statements_node_t *)node;
if (embedded_statements_node->statements)
yp_compile_node(iseq, (yp_node_t *) (embedded_statements_node->statements), ret, src, popped, compile_context);
// TODO: Concatenate the strings that exist here
return;
}
case YP_NODE_EMBEDDED_VARIABLE_NODE: {
yp_embedded_variable_node_t *embedded_node = (yp_embedded_variable_node_t *)node;
yp_compile_node(iseq, embedded_node->variable, ret, src, popped, compile_context);
return;
}
case YP_NODE_FALSE_NODE:
if (!popped) {
ADD_INSN1(ret, &dummy_line_node, putobject, Qfalse);
}
return;
case YP_NODE_FLIP_FLOP_NODE: {
// TODO: The labels here are wrong, figure out why.....
yp_flip_flop_node_t *flip_flop_node = (yp_flip_flop_node_t *)node;
LABEL *lend = NEW_LABEL(lineno);
LABEL *then_label = NEW_LABEL(lineno);
LABEL *else_label = NEW_LABEL(lineno);
//TODO: int again = type == NODE_FLIP2;
int again = 0;
rb_num_t cnt = ISEQ_FLIP_CNT_INCREMENT(ISEQ_BODY(iseq)->local_iseq)
+ VM_SVAR_FLIPFLOP_START;
VALUE key = INT2FIX(cnt);
ADD_INSN2(ret, &dummy_line_node, getspecial, key, INT2FIX(0));
ADD_INSNL(ret, &dummy_line_node, branchif, lend);
yp_compile_node(iseq, flip_flop_node->left, ret, src, popped, compile_context);
/* *flip == 0 */
ADD_INSNL(ret, &dummy_line_node, branchunless, else_label);
ADD_INSN1(ret, &dummy_line_node, putobject, Qtrue);
ADD_INSN1(ret, &dummy_line_node, setspecial, key);
if (!again) {
ADD_INSNL(ret, &dummy_line_node, jump, then_label);
}
/* *flip == 1 */
ADD_LABEL(ret, lend);
yp_compile_node(iseq, flip_flop_node->right, ret, src, popped, compile_context);
ADD_INSNL(ret, &dummy_line_node, branchunless, then_label);
ADD_INSN1(ret, &dummy_line_node, putobject, Qfalse);
ADD_INSN1(ret, &dummy_line_node, setspecial, key);
ADD_INSNL(ret, &dummy_line_node, jump, then_label);
ADD_LABEL(ret, then_label);
ADD_INSN1(ret, &dummy_line_node, putobject, Qtrue);
ADD_INSNL(ret, &dummy_line_node, jump, lend);
ADD_LABEL(ret, else_label);
ADD_INSN1(ret, &dummy_line_node, putobject, Qfalse);
ADD_LABEL(ret, lend);
return;
}
case YP_NODE_FLOAT_NODE: {
if (!popped) {
ADD_INSN1(ret, &dummy_line_node, putobject, parse_number(node));
}
return;
}
case YP_NODE_GLOBAL_VARIABLE_AND_WRITE_NODE: {
yp_global_variable_and_write_node_t *global_variable_and_write_node = (yp_global_variable_and_write_node_t*) node;
LABEL *end_label = NEW_LABEL(lineno);
VALUE global_variable_name = ID2SYM(yp_constant_id_lookup(compile_context, global_variable_and_write_node->name));
ADD_INSN1(ret, &dummy_line_node, getglobal, global_variable_name);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, dup);
}
ADD_INSNL(ret, &dummy_line_node, branchunless, end_label);
if (!popped) {
ADD_INSN(ret, &dummy_line_node, pop);
}
yp_compile_node(iseq, global_variable_and_write_node->value, ret, src, false, compile_context);
if (!popped) {