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feat: execute break and continue in while loops

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This commit is contained in:
Valdemar Høgsvig Lorenzen
2026-10-10 01:26:32 +02:00
parent 0add5ab187
commit d51ca57c9e
16 changed files with 612 additions and 21 deletions
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source/sema/check/check.hon
+20 -6
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@@ -40,6 +40,7 @@ Role :: enum {
if_stmt,
assignment_stmt,
while_stmt,
loop_control,
}
@hide:file
@@ -510,11 +511,11 @@ collect_function proc(state @mut State, id ast.NodeId) void ! (mem.AllocError |
state.cells[usize(id)].type = invalid_type(binding.data.diagnostic)
state.cells[usize(id)].type.function = id
}
try collect_block(state, function.body, function.return_type)
try collect_block(state, function.body, function.return_type, false)
}
@hide:file
collect_block proc(state @mut State, id, return_annotation ast.NodeId) void ! (mem.AllocError | diagnostics.CapacityError) {
collect_block proc(state @mut State, id, return_annotation ast.NodeId, in_loop bool) void ! (mem.AllocError | diagnostics.CapacityError) {
tree :: state.tree
state.cells[usize(id)].role = .body
for (0..ast.block_statement_count(tree, id)) |i| {
@@ -540,10 +541,10 @@ collect_block proc(state @mut State, id, return_annotation ast.NodeId) void ! (m
state.cells[usize(statement)].type = Type{ kind = .void }
try collect_expression(state, conditional.condition)
try depend(state, conditional.condition, statement)
try collect_block(state, conditional.then_block, return_annotation)
try collect_block(state, conditional.then_block, return_annotation, in_loop)
try depend(state, conditional.then_block, id)
if (conditional.else_block) |other| {
try collect_block(state, other, return_annotation)
try collect_block(state, other, return_annotation, in_loop)
try depend(state, other, id)
}
}
@@ -573,9 +574,22 @@ collect_block proc(state @mut State, id, return_annotation ast.NodeId) void ! (m
state.cells[usize(statement)].type = Type{ kind = .void }
try collect_expression(state, loop.condition)
try depend(state, loop.condition, statement)
try collect_block(state, loop.body, return_annotation)
try collect_block(state, loop.body, return_annotation, true)
try depend(state, loop.body, id)
}
.break_stmt, .continue_stmt: {
state.cells[usize(statement)].role = .loop_control
state.cells[usize(statement)].type = Type{ kind = .void }
if (!in_loop) {
code :: if (ast.stmt_kind(tree, statement) == .break_stmt)
diagnostics.Code.break_outside_loop
else
diagnostics.Code.continue_outside_loop
state.cells[usize(statement)].type = invalid_type(try diagnostics.add(
state.diagnostics, code, ast.node_span(tree, statement),
))
}
}
.invalid: collect_invalid(state, statement)
}
source :: if (ast.stmt_kind(tree, statement) == .expression) ast.statement_expr(tree, statement) else statement
@@ -889,7 +903,7 @@ block_falls_through proc(state @State, id ast.NodeId) bool {
source :: if (kind == .expression) ast.statement_expr(tree, statement) else statement
if (state.types[usize(source)].kind == .invalid) return false
match kind {
.return_stmt, .invalid: return false
.return_stmt, .break_stmt, .continue_stmt, .invalid: return false
.if_stmt: {
conditional :: ast.if_stmt(tree, statement)
then_falls :: block_falls_through(state, conditional.then_block)