motiejus/zig
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IR: support unwrap maybe operation

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This commit is contained in:
Andrew Kelley
2016-11-21 03:08:24 -05:00
parent b47e2fa060
commit 71d95c6597
5 changed files with 317 additions and 302 deletions
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22
src/ast_render.cpp
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@@ -706,6 +706,27 @@ static void render_node_extra(AstRender *ar, AstNode *node, bool grouped) {
fprintf(ar->f, "null");
break;
}
case NodeTypeIfVarExpr:
{
AstNodeVariableDeclaration *var_decl = &node->data.if_var_expr.var_decl;
const char *var_str = var_decl->is_const ? "const" : "var";
const char *var_name = buf_ptr(var_decl->symbol);
const char *ptr_str = node->data.if_var_expr.var_is_ptr ? "*" : "";
fprintf(ar->f, "if (%s %s%s", var_str, ptr_str, var_name);
if (var_decl->type) {
fprintf(ar->f, ": ");
render_node_ungrouped(ar, var_decl->type);
}
fprintf(ar->f, " = ");
render_node_grouped(ar, var_decl->expr);
fprintf(ar->f, ") ");
render_node_grouped(ar, node->data.if_var_expr.then_block);
if (node->data.if_var_expr.else_node) {
fprintf(ar->f, " else ");
render_node_grouped(ar, node->data.if_var_expr.else_node);
}
break;
}
case NodeTypeFnDecl:
case NodeTypeParamDecl:
case NodeTypeErrorValueDecl:
@@ -715,7 +736,6 @@ static void render_node_extra(AstRender *ar, AstNode *node, bool grouped) {
case NodeTypeStructValueField:
case NodeTypeUse:
case NodeTypeZeroesLiteral:
case NodeTypeIfVarExpr:
case NodeTypeForExpr:
case NodeTypeSwitchExpr:
case NodeTypeSwitchProng: