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support simple generic functions

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This commit is contained in:
Andrew Kelley
2016-04-06 11:38:12 -07:00
parent e144ddab24
commit 67152f7294
9 changed files with 432 additions and 422 deletions
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341
src/ast_render.cpp
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@@ -59,15 +59,6 @@ static const char *prefix_op_str(PrefixOp prefix_op) {
zig_unreachable();
}
static const char *return_prefix_str(ReturnKind kind) {
switch (kind) {
case ReturnKindError: return "%";
case ReturnKindMaybe: return "?";
case ReturnKindUnconditional: return "";
}
zig_unreachable();
}
static const char *visib_mod_string(VisibMod mod) {
switch (mod) {
case VisibModPub: return "pub ";
@@ -195,316 +186,36 @@ static const char *node_type_str(NodeType node_type) {
zig_unreachable();
}
struct AstPrint {
int indent;
FILE *f;
};
static void ast_print_visit(AstNode **node_ptr, void *context) {
AstNode *node = *node_ptr;
AstPrint *ap = (AstPrint *)context;
for (int i = 0; i < ap->indent; i += 1) {
fprintf(ap->f, " ");
}
fprintf(ap->f, "%s\n", node_type_str(node->type));
AstPrint new_ap;
new_ap.indent = ap->indent + 2;
new_ap.f = ap->f;
ast_visit_node_children(node, ast_print_visit, &new_ap);
}
void ast_print(FILE *f, AstNode *node, int indent) {
for (int i = 0; i < indent; i += 1) {
fprintf(f, " ");
}
assert(node->type == NodeTypeRoot || *node->parent_field == node);
switch (node->type) {
case NodeTypeRoot:
fprintf(f, "%s\n", node_type_str(node->type));
for (int i = 0; i < node->data.root.top_level_decls.length; i += 1) {
AstNode *child = node->data.root.top_level_decls.at(i);
ast_print(f, child, indent + 2);
}
break;
case NodeTypeFnDef:
{
fprintf(f, "%s\n", node_type_str(node->type));
AstNode *child = node->data.fn_def.fn_proto;
ast_print(f, child, indent + 2);
ast_print(f, node->data.fn_def.body, indent + 2);
break;
}
case NodeTypeFnProto:
{
Buf *name_buf = &node->data.fn_proto.name;
fprintf(f, "%s '%s'\n", node_type_str(node->type), buf_ptr(name_buf));
for (int i = 0; i < node->data.fn_proto.params.length; i += 1) {
AstNode *child = node->data.fn_proto.params.at(i);
ast_print(f, child, indent + 2);
}
ast_print(f, node->data.fn_proto.return_type, indent + 2);
break;
}
case NodeTypeBlock:
{
fprintf(f, "%s\n", node_type_str(node->type));
for (int i = 0; i < node->data.block.statements.length; i += 1) {
AstNode *child = node->data.block.statements.at(i);
ast_print(f, child, indent + 2);
}
break;
}
case NodeTypeParamDecl:
{
Buf *name_buf = &node->data.param_decl.name;
fprintf(f, "%s '%s'\n", node_type_str(node->type), buf_ptr(name_buf));
ast_print(f, node->data.param_decl.type, indent + 2);
break;
}
case NodeTypeReturnExpr:
{
const char *prefix_str = return_prefix_str(node->data.return_expr.kind);
fprintf(f, "%s%s\n", prefix_str, node_type_str(node->type));
if (node->data.return_expr.expr)
ast_print(f, node->data.return_expr.expr, indent + 2);
break;
}
case NodeTypeDefer:
{
const char *prefix_str = return_prefix_str(node->data.defer.kind);
fprintf(f, "%s%s\n", prefix_str, node_type_str(node->type));
if (node->data.defer.expr)
ast_print(f, node->data.defer.expr, indent + 2);
break;
}
case NodeTypeVariableDeclaration:
{
Buf *name_buf = &node->data.variable_declaration.symbol;
fprintf(f, "%s '%s'\n", node_type_str(node->type), buf_ptr(name_buf));
if (node->data.variable_declaration.type)
ast_print(f, node->data.variable_declaration.type, indent + 2);
if (node->data.variable_declaration.expr)
ast_print(f, node->data.variable_declaration.expr, indent + 2);
break;
}
case NodeTypeTypeDecl:
{
Buf *name_buf = &node->data.type_decl.symbol;
fprintf(f, "%s '%s'\n", node_type_str(node->type), buf_ptr(name_buf));
ast_print(f, node->data.type_decl.child_type, indent + 2);
break;
}
case NodeTypeErrorValueDecl:
{
Buf *name_buf = &node->data.error_value_decl.name;
fprintf(f, "%s '%s'\n", node_type_str(node->type), buf_ptr(name_buf));
break;
}
case NodeTypeFnDecl:
fprintf(f, "%s\n", node_type_str(node->type));
ast_print(f, node->data.fn_decl.fn_proto, indent + 2);
break;
case NodeTypeBinOpExpr:
fprintf(f, "%s %s\n", node_type_str(node->type),
bin_op_str(node->data.bin_op_expr.bin_op));
ast_print(f, node->data.bin_op_expr.op1, indent + 2);
ast_print(f, node->data.bin_op_expr.op2, indent + 2);
break;
case NodeTypeUnwrapErrorExpr:
fprintf(f, "%s\n", node_type_str(node->type));
ast_print(f, node->data.unwrap_err_expr.op1, indent + 2);
if (node->data.unwrap_err_expr.symbol) {
ast_print(f, node->data.unwrap_err_expr.symbol, indent + 2);
}
ast_print(f, node->data.unwrap_err_expr.op2, indent + 2);
break;
case NodeTypeFnCallExpr:
fprintf(f, "%s\n", node_type_str(node->type));
ast_print(f, node->data.fn_call_expr.fn_ref_expr, indent + 2);
for (int i = 0; i < node->data.fn_call_expr.params.length; i += 1) {
AstNode *child = node->data.fn_call_expr.params.at(i);
ast_print(f, child, indent + 2);
}
break;
case NodeTypeArrayAccessExpr:
fprintf(f, "%s\n", node_type_str(node->type));
ast_print(f, node->data.array_access_expr.array_ref_expr, indent + 2);
ast_print(f, node->data.array_access_expr.subscript, indent + 2);
break;
case NodeTypeSliceExpr:
fprintf(f, "%s\n", node_type_str(node->type));
ast_print(f, node->data.slice_expr.array_ref_expr, indent + 2);
ast_print(f, node->data.slice_expr.start, indent + 2);
if (node->data.slice_expr.end) {
ast_print(f, node->data.slice_expr.end, indent + 2);
}
break;
case NodeTypeDirective:
fprintf(f, "%s\n", node_type_str(node->type));
ast_print(f, node->data.directive.expr, indent + 2);
break;
case NodeTypePrefixOpExpr:
fprintf(f, "%s %s\n", node_type_str(node->type),
prefix_op_str(node->data.prefix_op_expr.prefix_op));
ast_print(f, node->data.prefix_op_expr.primary_expr, indent + 2);
break;
case NodeTypeNumberLiteral:
{
NumLit kind = node->data.number_literal.kind;
const char *name = node_type_str(node->type);
if (kind == NumLitUInt) {
fprintf(f, "%s uint %" PRIu64 "\n", name, node->data.number_literal.data.x_uint);
} else {
fprintf(f, "%s float %f\n", name, node->data.number_literal.data.x_float);
}
break;
}
case NodeTypeStringLiteral:
{
const char *c = node->data.string_literal.c ? "c" : "";
fprintf(f, "StringLiteral %s'%s'\n", c,
buf_ptr(&node->data.string_literal.buf));
break;
}
case NodeTypeCharLiteral:
{
fprintf(f, "%s '%c'\n", node_type_str(node->type), node->data.char_literal.value);
break;
}
case NodeTypeSymbol:
fprintf(f, "Symbol %s\n", buf_ptr(&node->data.symbol_expr.symbol));
break;
case NodeTypeUse:
fprintf(f, "%s\n", node_type_str(node->type));
ast_print(f, node->data.use.expr, indent + 2);
break;
case NodeTypeBoolLiteral:
fprintf(f, "%s '%s'\n", node_type_str(node->type),
node->data.bool_literal.value ? "true" : "false");
break;
case NodeTypeNullLiteral:
fprintf(f, "%s\n", node_type_str(node->type));
break;
case NodeTypeIfBoolExpr:
fprintf(f, "%s\n", node_type_str(node->type));
if (node->data.if_bool_expr.condition)
ast_print(f, node->data.if_bool_expr.condition, indent + 2);
ast_print(f, node->data.if_bool_expr.then_block, indent + 2);
if (node->data.if_bool_expr.else_node)
ast_print(f, node->data.if_bool_expr.else_node, indent + 2);
break;
case NodeTypeIfVarExpr:
{
Buf *name_buf = &node->data.if_var_expr.var_decl.symbol;
fprintf(f, "%s '%s'\n", node_type_str(node->type), buf_ptr(name_buf));
if (node->data.if_var_expr.var_decl.type)
ast_print(f, node->data.if_var_expr.var_decl.type, indent + 2);
if (node->data.if_var_expr.var_decl.expr)
ast_print(f, node->data.if_var_expr.var_decl.expr, indent + 2);
ast_print(f, node->data.if_var_expr.then_block, indent + 2);
if (node->data.if_var_expr.else_node)
ast_print(f, node->data.if_var_expr.else_node, indent + 2);
break;
}
case NodeTypeWhileExpr:
fprintf(f, "%s\n", node_type_str(node->type));
ast_print(f, node->data.while_expr.condition, indent + 2);
ast_print(f, node->data.while_expr.body, indent + 2);
break;
case NodeTypeForExpr:
fprintf(f, "%s\n", node_type_str(node->type));
ast_print(f, node->data.for_expr.elem_node, indent + 2);
ast_print(f, node->data.for_expr.array_expr, indent + 2);
if (node->data.for_expr.index_node) {
ast_print(f, node->data.for_expr.index_node, indent + 2);
}
ast_print(f, node->data.for_expr.body, indent + 2);
break;
case NodeTypeSwitchExpr:
fprintf(f, "%s\n", node_type_str(node->type));
ast_print(f, node->data.switch_expr.expr, indent + 2);
for (int i = 0; i < node->data.switch_expr.prongs.length; i += 1) {
AstNode *child_node = node->data.switch_expr.prongs.at(i);
ast_print(f, child_node, indent + 2);
}
break;
case NodeTypeSwitchProng:
fprintf(f, "%s\n", node_type_str(node->type));
for (int i = 0; i < node->data.switch_prong.items.length; i += 1) {
AstNode *child_node = node->data.switch_prong.items.at(i);
ast_print(f, child_node, indent + 2);
}
if (node->data.switch_prong.var_symbol) {
ast_print(f, node->data.switch_prong.var_symbol, indent + 2);
}
ast_print(f, node->data.switch_prong.expr, indent + 2);
break;
case NodeTypeSwitchRange:
fprintf(f, "%s\n", node_type_str(node->type));
ast_print(f, node->data.switch_range.start, indent + 2);
ast_print(f, node->data.switch_range.end, indent + 2);
break;
case NodeTypeLabel:
fprintf(f, "%s '%s'\n", node_type_str(node->type), buf_ptr(&node->data.label.name));
break;
case NodeTypeGoto:
fprintf(f, "%s '%s'\n", node_type_str(node->type), buf_ptr(&node->data.goto_expr.name));
break;
case NodeTypeBreak:
fprintf(f, "%s\n", node_type_str(node->type));
break;
case NodeTypeContinue:
fprintf(f, "%s\n", node_type_str(node->type));
break;
case NodeTypeUndefinedLiteral:
fprintf(f, "%s\n", node_type_str(node->type));
break;
case NodeTypeAsmExpr:
fprintf(f, "%s\n", node_type_str(node->type));
break;
case NodeTypeFieldAccessExpr:
fprintf(f, "%s '%s'\n", node_type_str(node->type),
buf_ptr(&node->data.field_access_expr.field_name));
ast_print(f, node->data.field_access_expr.struct_expr, indent + 2);
break;
case NodeTypeStructDecl:
fprintf(f, "%s '%s'\n",
node_type_str(node->type), buf_ptr(&node->data.struct_decl.name));
for (int i = 0; i < node->data.struct_decl.fields.length; i += 1) {
AstNode *child = node->data.struct_decl.fields.at(i);
ast_print(f, child, indent + 2);
}
for (int i = 0; i < node->data.struct_decl.fns.length; i += 1) {
AstNode *child = node->data.struct_decl.fns.at(i);
ast_print(f, child, indent + 2);
}
break;
case NodeTypeStructField:
fprintf(f, "%s '%s'\n", node_type_str(node->type), buf_ptr(&node->data.struct_field.name));
if (node->data.struct_field.type) {
ast_print(f, node->data.struct_field.type, indent + 2);
}
break;
case NodeTypeStructValueField:
fprintf(f, "%s '%s'\n", node_type_str(node->type), buf_ptr(&node->data.struct_val_field.name));
ast_print(f, node->data.struct_val_field.expr, indent + 2);
break;
case NodeTypeContainerInitExpr:
fprintf(f, "%s\n", node_type_str(node->type));
ast_print(f, node->data.container_init_expr.type, indent + 2);
for (int i = 0; i < node->data.container_init_expr.entries.length; i += 1) {
AstNode *child = node->data.container_init_expr.entries.at(i);
ast_print(f, child, indent + 2);
}
break;
case NodeTypeArrayType:
{
const char *const_str = node->data.array_type.is_const ? "const" : "var";
fprintf(f, "%s %s\n", node_type_str(node->type), const_str);
if (node->data.array_type.size) {
ast_print(f, node->data.array_type.size, indent + 2);
}
ast_print(f, node->data.array_type.child_type, indent + 2);
break;
}
case NodeTypeErrorType:
fprintf(f, "%s\n", node_type_str(node->type));
break;
case NodeTypeTypeLiteral:
fprintf(f, "%s\n", node_type_str(node->type));
break;
}
AstPrint ap;
ap.indent = indent;
ap.f = f;
ast_visit_node_children(node, ast_print_visit, &ap);
}
struct AstRender {
int indent;
int indent_size;