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feat: execute conditionals through typed IR

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Use typed singleton arrays for braceless arm blocks: &[statement] compiled but trapped under the Bro bootstrap.
This commit is contained in:
Valdemar Høgsvig Lorenzen
2026-10-09 23:43:44 +02:00
parent 0821b84bc3
commit 9932750e21
20 changed files with 1511 additions and 124 deletions
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source/sema/resolve.hon
+30 -11
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@@ -6,12 +6,13 @@ import "@std/strmap"
import "@source/ast"
import "@source/diagnostics"
BuiltinType :: enum { int, float, string, void }
BuiltinType :: enum { int, float, bool, string, void }
@hide:file
builtins strmap.StaticStringMap(BuiltinType) :: strmap.init([
{ "int", .int },
{ "float", .float },
{ "bool", .bool },
{ "string", .string },
{ "void", .void },
])
@@ -175,20 +176,38 @@ resolve_function proc(
parameter :: ast.function_param(tree, id, i)
try predeclare(state, &scope, parameter, ast.param(tree, parameter).name)
}
for (0..ast.block_statement_count(tree, function.body)) |i| {
statement :: ast.block_statement(tree, function.body, i)
try resolve_block(state, &scope, function.body)
}
@hide:file
resolve_arm proc(state @mut State, parent @Scope, id ast.NodeId) void ! (mem.AllocError | diagnostics.CapacityError) {
scope := Scope{ names = hashmap.init(state.allocator), parent = parent }
defer hashmap.deinit(&scope.names)
try resolve_block(state, &scope, id)
}
@hide:file
resolve_block proc(state @mut State, scope @mut Scope, id ast.NodeId) void ! (mem.AllocError | diagnostics.CapacityError) {
tree :: state.tree
for (0..ast.block_statement_count(tree, id)) |i| {
statement :: ast.block_statement(tree, id, i)
if ast.stmt_kind(tree, statement) == .declaration {
try predeclare(state, &scope, statement, ast.statement_decl(tree, statement).name)
try predeclare(state, scope, statement, ast.statement_decl(tree, statement).name)
}
}
for (0..ast.block_statement_count(tree, function.body)) |i| {
statement :: ast.block_statement(tree, function.body, i)
for (0..ast.block_statement_count(tree, id)) |i| {
statement :: ast.block_statement(tree, id, i)
match ast.stmt_kind(tree, statement) {
.declaration: try resolve_statement_decl(state, &scope, statement)
.expression: try resolve_expr(state, &scope, ast.statement_expr(tree, statement))
.declaration: try resolve_statement_decl(state, scope, statement)
.expression: try resolve_expr(state, scope, ast.statement_expr(tree, statement))
.return_stmt: {
if (ast.return_stmt(tree, statement).value) |value| try resolve_expr(state, &scope, value)
if (ast.return_stmt(tree, statement).value) |value| try resolve_expr(state, scope, value)
}
.if_stmt: {
conditional :: ast.if_stmt(tree, statement)
try resolve_expr(state, scope, conditional.condition)
try resolve_arm(state, scope, conditional.then_block)
if (conditional.else_block) |other| try resolve_arm(state, scope, other)
}
.invalid: resolve_invalid(state, statement)
}
@@ -225,7 +244,7 @@ resolve_expr proc(
if (state.bindings[usize(id)].kind != .none) return
tree :: state.tree
match ast.expr_kind(tree, id) {
.literal_int, .literal_float, .literal_string: {}
.literal_int, .literal_float, .literal_bool, .literal_string: {}
.identifier: {
span :: ast.node_span(tree, id)
name :: ast.source_text(tree, span)