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Commit afa2617e authored by dbarbera's avatar dbarbera
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Refactor code generation for built-in void operators

parent 11ed2432
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LlvmGenerator.py
View file @ afa2617e
......@@ -554,115 +554,35 @@ def _call_external_function(output, ctx):
''' Generate the IR for an output or procedure call '''
for out in output.output:
name = out['outputName'].lower()
args = out.get('params', [])
if name == 'write':
generate_write(out['params'], ctx)
continue
elif name == 'writeln':
generate_writeln(out['params'], ctx)
if name == 'write' or name == 'writeln':
arg_vals = [expression(a, ctx) for a in args]
arg_sdltys = [a.exprType for a in args]
sdl_write(arg_vals, arg_sdltys, ctx, name == 'writeln')
continue
elif name == 'reset_timer':
generate_reset_timer(out['params'], ctx)
sdl_reset_timer(args[0].value[0], ctx)
continue
elif name == 'set_timer':
generate_set_timer(out['params'], ctx)
timer_expr, timer_id = args
sdl_set_timer(timer_id.value[0], expression(timer_expr, ctx), ctx)
continue
func = ctx.funcs[str(name).lower()]
args = []
for arg in out.get('params', []):
arg_vals = []
for arg in args:
arg_val = expression(arg, ctx)
# Pass by reference
if arg_val.type.kind != core.TYPE_POINTER:
arg_var = ctx.builder.alloca(arg_val.type, None)
ctx.builder.store(arg_val, arg_var)
args.append(arg_var)
arg_vals.append(arg_var)
else:
args.append(arg_val)
ctx.builder.call(func, args)
def generate_write(args, ctx, newline=False):
''' Generate the IR for the write operator '''
fmt = ""
arg_values = []
for arg in args:
basic_ty = ctx.basic_type_of(arg.exprType)
arg_val = expression(arg, ctx)
if basic_ty.kind in ['IntegerType', 'Integer32Type']:
fmt += '% d'
arg_values.append(arg_val)
elif basic_ty.kind == 'RealType':
fmt += '% .14E'
arg_values.append(arg_val)
elif basic_ty.kind == 'BooleanType':
fmt += '%s'
true_str_ptr = ctx.string_ptr('TRUE')
false_str_ptr = ctx.string_ptr('FALSE')
str_ptr = ctx.builder.select(arg_val, true_str_ptr, false_str_ptr)
arg_values.append(str_ptr)
elif basic_ty.kind in ('StringType', 'StandardStringType'):
fmt += '%s'
arg_values.append(arg_val)
elif basic_ty.kind == 'OctetStringType':
fmt += '%.*s'
if basic_ty.Min == basic_ty.Max:
arr_ptr = ctx.builder.gep(arg_val, [ctx.zero, ctx.zero])
count_val = core.Constant.int(ctx.i32, arr_ptr.type.pointee.count)
else:
count_val = ctx.builder.load(ctx.builder.gep(arg_val, [ctx.zero, ctx.zero]))
arr_ptr = ctx.builder.gep(arg_val, [ctx.zero, ctx.one])
arg_values.append(count_val)
arg_values.append(arr_ptr)
else:
raise CompileError('Type "%s" not supported in write/writeln operators')
if newline:
fmt += '\n'
arg_values.insert(0, ctx.string_ptr(fmt))
ctx.builder.call(ctx.funcs['printf'], arg_values)
def generate_writeln(args, ctx):
''' Generate the IR for the writeln operator '''
generate_write(args, ctx, True)
def generate_reset_timer(args, ctx):
''' Generate the IR for the reset timer operator '''
timer_id = args[0]
reset_func_name = 'reset_%s' % timer_id.value[0]
reset_func = ctx.funcs[reset_func_name.lower()]
ctx.builder.call(reset_func, [])
def generate_set_timer(args, ctx):
''' Generate the IR for the set timer operator '''
timer_expr, timer_id = args
set_func_name = 'set_%s' % timer_id.value[0]
set_func = ctx.funcs[set_func_name.lower()]
expr_val = expression(timer_expr, ctx)
arg_vals.append(arg_val)
tmp_ptr = ctx.builder.alloca(expr_val.type)
ctx.builder.store(expr_val, tmp_ptr)
ctx.builder.call(set_func, [tmp_ptr])
ctx.builder.call(func, arg_vals)
@generate.register(ogAST.TaskAssign)
......@@ -1829,5 +1749,76 @@ def sdl_power(x_val, y_val, ctx):
def sdl_num(enum_val, ctx):
''' Generate the IR for the num operation'''
''' Generate the IR for a num operation'''
return ctx.builder.sext(enum_val, ctx.i64)
def sdl_write(arg_vals, arg_sdltys, ctx, newline=False):
''' Generate the IR for a write operation '''
fmt = ""
arg_values = []
for arg_val, arg_sdlty in zip(arg_vals, arg_sdltys):
basic_sdlty = ctx.basic_type_of(arg_sdlty)
if basic_sdlty.kind in ['IntegerType', 'Integer32Type']:
fmt += '% d'
arg_values.append(arg_val)
elif basic_sdlty.kind == 'RealType':
fmt += '% .14E'
arg_values.append(arg_val)
elif basic_sdlty.kind == 'BooleanType':
fmt += '%s'
true_str_ptr = ctx.string_ptr('TRUE')
false_str_ptr = ctx.string_ptr('FALSE')
str_ptr = ctx.builder.select(arg_val, true_str_ptr, false_str_ptr)
arg_values.append(str_ptr)
elif basic_sdlty.kind in ('StringType', 'StandardStringType'):
fmt += '%s'
arg_values.append(arg_val)
elif basic_sdlty.kind == 'OctetStringType':
fmt += '%.*s'
if basic_sdlty.Min == basic_sdlty.Max:
arr_ptr = ctx.builder.gep(arg_val, [ctx.zero, ctx.zero])
count_val = core.Constant.int(ctx.i32, arr_ptr.type.pointee.count)
else:
count_val = ctx.builder.load(ctx.builder.gep(arg_val, [ctx.zero, ctx.zero]))
arr_ptr = ctx.builder.gep(arg_val, [ctx.zero, ctx.one])
arg_values.append(count_val)
arg_values.append(arr_ptr)
else:
raise CompileError('Type "%s" not supported in write/writeln operators')
if newline:
fmt += '\n'
arg_values.insert(0, ctx.string_ptr(fmt))
ctx.builder.call(ctx.funcs['printf'], arg_values)
def sdl_reset_timer(name, ctx):
''' Generate the IR a reset timer operation '''
reset_func_name = 'reset_%s' % name
reset_func = ctx.funcs[reset_func_name.lower()]
ctx.builder.call(reset_func, [])
def sdl_set_timer(name, val, ctx):
''' Generate the IR for a set timer operation '''
set_func_name = 'set_%s' % name
set_func = ctx.funcs[set_func_name.lower()]
tmp_ptr = ctx.builder.alloca(val.type)
ctx.builder.store(val, tmp_ptr)
ctx.builder.call(set_func, [tmp_ptr])
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