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IR: implement break and continue

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This commit is contained in:
Andrew Kelley
2016-12-05 18:43:16 -05:00
parent 0541532ed6
commit 24048b2af6
7 changed files with 228 additions and 193 deletions
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65
src/ast_render.cpp
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@@ -364,6 +364,7 @@ static void render_node_extra(AstRender *ar, AstNode *node, bool grouped) {
case NodeTypeSwitchProng:
case NodeTypeSwitchRange:
case NodeTypeLabel:
case NodeTypeStructValueField:
zig_unreachable();
case NodeTypeRoot:
for (size_t i = 0; i < node->data.root.top_level_decls.length; i += 1) {
@@ -602,9 +603,30 @@ static void render_node_extra(AstRender *ar, AstNode *node, bool grouped) {
}
case NodeTypeContainerInitExpr:
render_node_ungrouped(ar, node->data.container_init_expr.type);
fprintf(ar->f, "{");
assert(node->data.container_init_expr.entries.length == 0);
if (node->data.container_init_expr.kind == ContainerInitKindStruct) {
fprintf(ar->f, "{\n");
ar->indent += ar->indent_size;
} else {
fprintf(ar->f, "{");
}
for (size_t i = 0; i < node->data.container_init_expr.entries.length; i += 1) {
AstNode *entry = node->data.container_init_expr.entries.at(i);
if (entry->type == NodeTypeStructValueField) {
Buf *name = entry->data.struct_val_field.name;
AstNode *expr = entry->data.struct_val_field.expr;
fprintf(ar->f, ".%s = ", buf_ptr(name));
render_node_grouped(ar, expr);
fprintf(ar->f, ",\n");
} else {
if (i != 0)
fprintf(ar->f, ", ");
render_node_grouped(ar, entry);
}
}
fprintf(ar->f, "}");
if (node->data.container_init_expr.kind == ContainerInitKindStruct) {
ar->indent -= ar->indent_size;
}
break;
case NodeTypeArrayType:
{
@@ -788,7 +810,40 @@ static void render_node_extra(AstRender *ar, AstNode *node, bool grouped) {
}
case NodeTypeGoto:
{
fprintf(ar->f, "goto %s", buf_ptr(node->data.goto_expr.name));
const char *inline_str = node->data.goto_expr.is_inline ? "inline " : "";
fprintf(ar->f, "%sgoto %s", inline_str, buf_ptr(node->data.goto_expr.name));
break;
}
case NodeTypeForExpr:
{
const char *inline_str = node->data.for_expr.is_inline ? "inline " : "";
fprintf(ar->f, "%sfor (", inline_str);
render_node_grouped(ar, node->data.for_expr.array_expr);
fprintf(ar->f, ") ");
if (node->data.for_expr.elem_node) {
fprintf(ar->f, "|");
if (node->data.for_expr.elem_is_ptr)
fprintf(ar->f, "*");
render_node_grouped(ar, node->data.for_expr.elem_node);
if (node->data.for_expr.index_node) {
fprintf(ar->f, ", ");
render_node_grouped(ar, node->data.for_expr.index_node);
}
fprintf(ar->f, "| ");
}
render_node_grouped(ar, node->data.for_expr.body);
break;
}
case NodeTypeBreak:
{
const char *inline_str = node->data.break_expr.is_inline ? "inline " : "";
fprintf(ar->f, "%sbreak", inline_str);
break;
}
case NodeTypeContinue:
{
const char *inline_str = node->data.continue_expr.is_inline ? "inline " : "";
fprintf(ar->f, "%scontinue", inline_str);
break;
}
case NodeTypeFnDecl:
@@ -797,12 +852,8 @@ static void render_node_extra(AstRender *ar, AstNode *node, bool grouped) {
case NodeTypeUnwrapErrorExpr:
case NodeTypeSliceExpr:
case NodeTypeStructField:
case NodeTypeStructValueField:
case NodeTypeUse:
case NodeTypeZeroesLiteral:
case NodeTypeForExpr:
case NodeTypeBreak:
case NodeTypeContinue:
zig_panic("TODO more ast rendering");
}
}