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implement coroutine resume

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This commit is contained in:
Andrew Kelley
2018-02-28 22:18:48 -05:00
parent c622766156
commit 8429d4ceac
8 changed files with 89 additions and 4 deletions
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18
src/ir.cpp
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@@ -5927,6 +5927,16 @@ static IrInstruction *ir_gen_cancel(IrBuilder *irb, Scope *parent_scope, AstNode
return ir_build_cancel(irb, parent_scope, node, target_inst);
}
static IrInstruction *ir_gen_resume(IrBuilder *irb, Scope *parent_scope, AstNode *node) {
assert(node->type == NodeTypeResume);
IrInstruction *target_inst = ir_gen_node(irb, node->data.resume_expr.expr, parent_scope);
if (target_inst == irb->codegen->invalid_instruction)
return irb->codegen->invalid_instruction;
return ir_build_coro_resume(irb, parent_scope, node, target_inst);
}
static IrInstruction *ir_gen_await_expr(IrBuilder *irb, Scope *parent_scope, AstNode *node) {
assert(node->type == NodeTypeAwaitExpr);
@@ -6101,6 +6111,8 @@ static IrInstruction *ir_gen_node_raw(IrBuilder *irb, AstNode *node, Scope *scop
return ir_lval_wrap(irb, scope, ir_gen_err_set_decl(irb, scope, node), lval);
case NodeTypeCancel:
return ir_lval_wrap(irb, scope, ir_gen_cancel(irb, scope, node), lval);
case NodeTypeResume:
return ir_lval_wrap(irb, scope, ir_gen_resume(irb, scope, node), lval);
case NodeTypeAwaitExpr:
return ir_lval_wrap(irb, scope, ir_gen_await_expr(irb, scope, node), lval);
case NodeTypeSuspend:
@@ -17364,8 +17376,12 @@ static TypeTableEntry *ir_analyze_instruction_coro_resume(IrAnalyze *ira, IrInst
if (type_is_invalid(awaiter_handle->value.type))
return ira->codegen->builtin_types.entry_invalid;
IrInstruction *casted_target = ir_implicit_cast(ira, awaiter_handle, ira->codegen->builtin_types.entry_promise);
if (type_is_invalid(casted_target->value.type))
return ira->codegen->builtin_types.entry_invalid;
IrInstruction *result = ir_build_coro_resume(&ira->new_irb, instruction->base.scope,
instruction->base.source_node, awaiter_handle);
instruction->base.source_node, casted_target);
ir_link_new_instruction(result, &instruction->base);
result->value.type = ira->codegen->builtin_types.entry_void;
return result->value.type;