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ARTIQIRGenerator: add semantic locs to all other implicitly raised exceptions.

This commit is contained in:
whitequark 2015-08-08 16:26:53 +03:00
parent acd8d6355f
commit bdcf7f100b
2 changed files with 13 additions and 8 deletions
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2
artiq/compiler/testbench/inferencer.py
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@ -66,7 +66,7 @@ def main():
buf = source.Buffer("".join(fileinput.input()).expandtabs(),
os.path.basename(fileinput.filename()))
parsed, comments = parse_buffer(buf, engine=engine)
typed = ASTTypedRewriter(engine=engine, globals=prelude.globals()).visit(parsed)
typed = ASTTypedRewriter(engine=engine, prelude=prelude.globals()).visit(parsed)
Inferencer(engine=engine).visit(typed)
if monomorphize:
IntMonomorphizer(engine=engine).visit(typed)

19
artiq/compiler/transforms/artiq_ir_generator.py
View File

@ -714,13 +714,13 @@ class ARTIQIRGenerator(algorithm.Visitor):
return mapped_index
def _make_check(self, cond, exn_gen):
def _make_check(self, cond, exn_gen, loc=None):
# cond: bool Value, condition
# exn_gen: lambda()->exn Value, exception if condition not true
cond_block = self.current_block
self.current_block = body_block = self.add_block()
self.raise_exn(exn_gen())
self.raise_exn(exn_gen(), loc=loc)
self.current_block = tail_block = self.add_block()
cond_block.append(ir.BranchIf(cond, tail_block, body_block))
@ -789,7 +789,8 @@ class ARTIQIRGenerator(algorithm.Visitor):
self._make_check(
self.append(ir.Compare(ast.NotEq(loc=None), step, ir.Constant(0, step.type))),
lambda: self.alloc_exn(builtins.TValueError(),
ir.Constant("step cannot be zero", builtins.TStr())))
ir.Constant("step cannot be zero", builtins.TStr())),
loc=node.slice.step.loc)
else:
step = ir.Constant(1, node.slice.type)
counting_up = self.append(ir.Compare(ast.Gt(loc=None), step,
@ -811,7 +812,8 @@ class ARTIQIRGenerator(algorithm.Visitor):
lambda: self.alloc_exn(builtins.TValueError(),
ir.Constant("slice size {0} is larger than iterable length {1}",
builtins.TStr()),
slice_size, length))
slice_size, length),
loc=node.slice.loc)
if self.current_assign is None:
is_neg_size = self.append(ir.Compare(ast.Lt(loc=None),
@ -992,20 +994,23 @@ class ARTIQIRGenerator(algorithm.Visitor):
def visit_BinOpT(self, node):
if builtins.is_numeric(node.type):
lhs = self.visit(node.left)
rhs = self.visit(node.right)
if isinstance(node.op, (ast.LShift, ast.RShift)):
# Check for negative shift amount.
self._make_check(
self.append(ir.Compare(ast.GtE(loc=None), rhs, ir.Constant(0, rhs.type))),
lambda: self.alloc_exn(builtins.TValueError(),
ir.Constant("shift amount must be nonnegative", builtins.TStr())))
ir.Constant("shift amount must be nonnegative", builtins.TStr())),
loc=node.right.loc)
elif isinstance(node.op, (ast.Div, ast.FloorDiv)):
self._make_check(
self.append(ir.Compare(ast.NotEq(loc=None), rhs, ir.Constant(0, rhs.type))),
lambda: self.alloc_exn(builtins.TZeroDivisionError(),
ir.Constant("cannot divide by zero", builtins.TStr())))
ir.Constant("cannot divide by zero", builtins.TStr())),
loc=node.right.loc)
return self.append(ir.Arith(node.op, self.visit(node.left), rhs))
return self.append(ir.Arith(node.op, lhs, rhs))
elif isinstance(node.op, ast.Add): # list + list, tuple + tuple
lhs, rhs = self.visit(node.left), self.visit(node.right)
if types.is_tuple(node.left.type) and types.is_tuple(node.right.type):