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support creating loops with builder

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This commit is contained in:
Jacques Lucke
2021-08-19 15:33:35 +02:00
parent c827b50d40
commit 7bed18fdb1
5 changed files with 151 additions and 8 deletions
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36
source/blender/functions/intern/multi_function_procedure_builder.cc
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@@ -61,7 +61,7 @@ void MFProcedureBuilder::add_destruct(MFVariable &variable)
{
MFDestructInstruction &instruction = procedure_->new_destruct_instruction();
instruction.set_variable(&variable);
this->insert_at_cursors(&instruction);
this->link_to_cursors(&instruction);
cursors_ = {MFInstructionCursor{instruction}};
}
@@ -75,7 +75,7 @@ void MFProcedureBuilder::add_destruct(Span<MFVariable *> variables)
MFCallInstruction &MFProcedureBuilder::add_call(const MultiFunction &fn)
{
MFCallInstruction &instruction = procedure_->new_call_instruction(fn);
this->insert_at_cursors(&instruction);
this->link_to_cursors(&instruction);
cursors_ = {MFInstructionCursor{instruction}};
return instruction;
}
@@ -120,7 +120,9 @@ MFProcedureBuilder::Branch MFProcedureBuilder::add_branch(MFVariable &condition)
{
MFBranchInstruction &instruction = procedure_->new_branch_instruction();
instruction.set_condition(&condition);
this->insert_at_cursors(&instruction);
this->link_to_cursors(&instruction);
/* Clear cursors because this builder ends here. */
cursors_.clear();
Branch branch{*procedure_, *procedure_};
branch.branch_true.set_cursor(MFInstructionCursor{instruction, true});
@@ -128,4 +130,32 @@ MFProcedureBuilder::Branch MFProcedureBuilder::add_branch(MFVariable &condition)
return branch;
}
MFProcedureBuilder::Loop MFProcedureBuilder::add_loop()
{
MFDummyInstruction &loop_begin = procedure_->new_dummy_instruction();
MFDummyInstruction &loop_end = procedure_->new_dummy_instruction();
this->link_to_cursors(&loop_begin);
cursors_ = {MFInstructionCursor{loop_begin}};
Loop loop;
loop.begin = &loop_begin;
loop.end = &loop_end;
return loop;
}
void MFProcedureBuilder::add_loop_continue(Loop &loop)
{
this->link_to_cursors(loop.begin);
/* Clear cursors because this builder ends here. */
cursors_.clear();
}
void MFProcedureBuilder::add_loop_break(Loop &loop)
{
this->link_to_cursors(loop.end);
/* Clear cursors because this builder ends here. */
cursors_.clear();
}
} // namespace blender::fn