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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/ast/renderer/renderer.hon
+24 -6
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@@ -41,25 +41,43 @@ render_function proc(
try append_text(renderer, " function ")
try append_text(renderer, ast.source_text(tree, function.name))
try append_text(renderer, "\n")
for 0..ast.block_statement_count(tree, function.body) |index| {
statement :: ast.block_statement(tree, function.body, index)
try render_block(renderer, tree, function.body, 2)
}
@hide:file
render_block proc(renderer @mut Renderer, tree @ast.Tree, block ast.NodeId, depth usize) void ! mem.AllocError {
for 0..ast.block_statement_count(tree, block) |index| {
statement :: ast.block_statement(tree, block, index)
for 0..depth |_| try append_text(renderer, " ")
match ast.stmt_kind(tree, statement) {
.declaration: try render_statement(renderer, tree, statement, " ")
.declaration: try render_statement(renderer, tree, statement, "")
.expression: {
expression :: ast.statement_expr(tree, statement)
try append_text(renderer, " expression ")
try append_text(renderer, "expression ")
try append_text(renderer, ast.source_text(tree, ast.node_span(tree, expression)))
try append_text(renderer, "\n")
}
.return_stmt: {
try append_text(renderer, " return")
try append_text(renderer, "return")
if (ast.return_stmt(tree, statement).value) |value| {
try append_text(renderer, " ")
try append_text(renderer, ast.source_text(tree, ast.node_span(tree, value)))
}
try append_text(renderer, "\n")
}
.invalid: try append_text(renderer, " invalid statement\n")
.if_stmt: {
conditional :: ast.if_stmt(tree, statement)
try append_text(renderer, "if ")
try append_text(renderer, ast.source_text(tree, ast.node_span(tree, conditional.condition)))
try append_text(renderer, "\n")
try render_block(renderer, tree, conditional.then_block, depth + 1)
if (conditional.else_block) |alternative| {
for 0..depth |_| try append_text(renderer, " ")
try append_text(renderer, "else\n")
try render_block(renderer, tree, alternative, depth + 1)
}
}
.invalid: try append_text(renderer, "invalid statement\n")
}
}
}