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move AST rendering code to separate file

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This commit is contained in:
Andrew Kelley 2016-01-27 21:10:38 -07:00
parent c281533638
commit b6354ddd5a
11 changed files with 791 additions and 594 deletions
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1
CMakeLists.txt
View File

@ -25,6 +25,7 @@ include_directories(
)
set(ZIG_SOURCES
"${CMAKE_SOURCE_DIR}/src/ast_render.cpp"
"${CMAKE_SOURCE_DIR}/src/bignum.cpp"
"${CMAKE_SOURCE_DIR}/src/tokenizer.cpp"
"${CMAKE_SOURCE_DIR}/src/parser.cpp"

3
doc/targets.md
View File

@ -11,3 +11,6 @@ for the target when an exported or external function has a byvalue struct.
Write the target-specific code in std.zig.
Update the C integer types to be the correct size for the target.
Add the conditional compilation code for the page size global. It is hardcoded
for each target.

1
src/all_types.hpp
View File

@ -894,6 +894,7 @@ struct ImportTableEntry {
ZigList<int> *line_offsets;
BlockContext *block_context;
ZigList<ImporterInfo> importers;
bool is_c_import;
// reminder: hash tables must be initialized before use
HashMap<Buf *, FnTableEntry *, buf_hash, buf_eql_buf> fn_table;

24
src/analyze.cpp
View File

@ -1039,15 +1039,15 @@ static void resolve_error_value_decl(CodeGen *g, ImportTableEntry *import, AstNo
}
}
static void resolve_c_import_decl(CodeGen *g, ImportTableEntry *import, AstNode *node) {
static void resolve_c_import_decl(CodeGen *g, ImportTableEntry *parent_import, AstNode *node) {
assert(node->type == NodeTypeCImport);
AstNode *block_node = node->data.c_import.block;
BlockContext *child_context = new_block_context(node, import->block_context);
BlockContext *child_context = new_block_context(node, parent_import->block_context);
child_context->c_import_buf = buf_alloc();
TypeTableEntry *resolved_type = analyze_block_expr(g, import, child_context,
TypeTableEntry *resolved_type = analyze_block_expr(g, parent_import, child_context,
g->builtin_types.entry_void, block_node);
if (resolved_type->id == TypeTableEntryIdInvalid) {
@ -1055,23 +1055,27 @@ static void resolve_c_import_decl(CodeGen *g, ImportTableEntry *import, AstNode
}
find_libc_path(g);
ImportTableEntry child_import = {0};
ZigList<ErrorMsg *> errors = {0};
int err;
ParseH parse_h = {{0}};
if ((err = parse_h_buf(&parse_h, child_context->c_import_buf, g->clang_argv, g->clang_argv_len,
if ((err = parse_h_buf(&child_import, &errors, child_context->c_import_buf, g->clang_argv, g->clang_argv_len,
buf_ptr(g->libc_include_path))))
{
zig_panic("unable to parse h file: %s\n", err_str(err));
}
if (parse_h.errors.length > 0) {
if (errors.length > 0) {
ErrorMsg *parent_err_msg = add_node_error(g, node, buf_sprintf("C import failed"));
for (int i = 0; i < parse_h.errors.length; i += 1) {
ErrorMsg *err_msg = parse_h.errors.at(i);
for (int i = 0; i < errors.length; i += 1) {
ErrorMsg *err_msg = errors.at(i);
err_msg_add_note(parent_err_msg, err_msg);
}
} else {
zig_panic("TODO integrate the parsed AST");
return;
}
zig_panic("TODO integrate the AST");
}
static void resolve_top_level_decl(CodeGen *g, ImportTableEntry *import, AstNode *node) {

682
src/ast_render.cpp Normal file
View File

@ -0,0 +1,682 @@
#include "ast_render.hpp"
#include <stdio.h>
static const char *bin_op_str(BinOpType bin_op) {
switch (bin_op) {
case BinOpTypeInvalid: return "(invalid)";
case BinOpTypeBoolOr: return "||";
case BinOpTypeBoolAnd: return "&&";
case BinOpTypeCmpEq: return "==";
case BinOpTypeCmpNotEq: return "!=";
case BinOpTypeCmpLessThan: return "<";
case BinOpTypeCmpGreaterThan: return ">";
case BinOpTypeCmpLessOrEq: return "<=";
case BinOpTypeCmpGreaterOrEq: return ">=";
case BinOpTypeBinOr: return "|";
case BinOpTypeBinXor: return "^";
case BinOpTypeBinAnd: return "&";
case BinOpTypeBitShiftLeft: return "<<";
case BinOpTypeBitShiftRight: return ">>";
case BinOpTypeAdd: return "+";
case BinOpTypeSub: return "-";
case BinOpTypeMult: return "*";
case BinOpTypeDiv: return "/";
case BinOpTypeMod: return "%";
case BinOpTypeAssign: return "=";
case BinOpTypeAssignTimes: return "*=";
case BinOpTypeAssignDiv: return "/=";
case BinOpTypeAssignMod: return "%=";
case BinOpTypeAssignPlus: return "+=";
case BinOpTypeAssignMinus: return "-=";
case BinOpTypeAssignBitShiftLeft: return "<<=";
case BinOpTypeAssignBitShiftRight: return ">>=";
case BinOpTypeAssignBitAnd: return "&=";
case BinOpTypeAssignBitXor: return "^=";
case BinOpTypeAssignBitOr: return "|=";
case BinOpTypeAssignBoolAnd: return "&&=";
case BinOpTypeAssignBoolOr: return "||=";
case BinOpTypeUnwrapMaybe: return "??";
case BinOpTypeStrCat: return "++";
}
}
static const char *prefix_op_str(PrefixOp prefix_op) {
switch (prefix_op) {
case PrefixOpInvalid: return "(invalid)";
case PrefixOpNegation: return "-";
case PrefixOpBoolNot: return "!";
case PrefixOpBinNot: return "~";
case PrefixOpAddressOf: return "&";
case PrefixOpConstAddressOf: return "&const ";
case PrefixOpDereference: return "*";
case PrefixOpMaybe: return "?";
case PrefixOpError: return "%";
case PrefixOpUnwrapError: return "%%";
}
}
static const char *return_prefix_str(ReturnKind kind) {
switch (kind) {
case ReturnKindError: return "%";
case ReturnKindMaybe: return "?";
case ReturnKindUnconditional: return "";
}
}
static const char *visib_mod_string(VisibMod mod) {
switch (mod) {
case VisibModPub: return "pub ";
case VisibModPrivate: return "";
case VisibModExport: return "export ";
}
}
static const char *extern_string(bool is_extern) {
return is_extern ? "export " : "";
}
static const char *const_or_var_string(bool is_const) {
return is_const ? "const" : "var";
}
static const char *node_type_str(NodeType node_type) {
switch (node_type) {
case NodeTypeRoot:
return "Root";
case NodeTypeRootExportDecl:
return "RootExportDecl";
case NodeTypeFnDef:
return "FnDef";
case NodeTypeFnDecl:
return "FnDecl";
case NodeTypeFnProto:
return "FnProto";
case NodeTypeParamDecl:
return "ParamDecl";
case NodeTypeBlock:
return "Block";
case NodeTypeBinOpExpr:
return "BinOpExpr";
case NodeTypeUnwrapErrorExpr:
return "UnwrapErrorExpr";
case NodeTypeFnCallExpr:
return "FnCallExpr";
case NodeTypeArrayAccessExpr:
return "ArrayAccessExpr";
case NodeTypeSliceExpr:
return "SliceExpr";
case NodeTypeDirective:
return "Directive";
case NodeTypeReturnExpr:
return "ReturnExpr";
case NodeTypeVariableDeclaration:
return "VariableDeclaration";
case NodeTypeErrorValueDecl:
return "ErrorValueDecl";
case NodeTypeNumberLiteral:
return "NumberLiteral";
case NodeTypeStringLiteral:
return "StringLiteral";
case NodeTypeCharLiteral:
return "CharLiteral";
case NodeTypeSymbol:
return "Symbol";
case NodeTypePrefixOpExpr:
return "PrefixOpExpr";
case NodeTypeImport:
return "Import";
case NodeTypeCImport:
return "CImport";
case NodeTypeBoolLiteral:
return "BoolLiteral";
case NodeTypeNullLiteral:
return "NullLiteral";
case NodeTypeUndefinedLiteral:
return "UndefinedLiteral";
case NodeTypeIfBoolExpr:
return "IfBoolExpr";
case NodeTypeIfVarExpr:
return "IfVarExpr";
case NodeTypeWhileExpr:
return "WhileExpr";
case NodeTypeForExpr:
return "ForExpr";
case NodeTypeSwitchExpr:
return "SwitchExpr";
case NodeTypeSwitchProng:
return "SwitchProng";
case NodeTypeSwitchRange:
return "SwitchRange";
case NodeTypeLabel:
return "Label";
case NodeTypeGoto:
return "Goto";
case NodeTypeBreak:
return "Break";
case NodeTypeContinue:
return "Continue";
case NodeTypeAsmExpr:
return "AsmExpr";
case NodeTypeFieldAccessExpr:
return "FieldAccessExpr";
case NodeTypeStructDecl:
return "StructDecl";
case NodeTypeStructField:
return "StructField";
case NodeTypeStructValueField:
return "StructValueField";
case NodeTypeContainerInitExpr:
return "ContainerInitExpr";
case NodeTypeArrayType:
return "ArrayType";
case NodeTypeErrorType:
return "ErrorType";
}
}
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 NodeTypeRootExportDecl:
fprintf(f, "%s %s '%s'\n", node_type_str(node->type),
buf_ptr(&node->data.root_export_decl.type),
buf_ptr(&node->data.root_export_decl.name));
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 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 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));
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 NodeTypeImport:
fprintf(f, "%s '%s'\n", node_type_str(node->type), buf_ptr(&node->data.import.path));
break;
case NodeTypeCImport:
fprintf(f, "%s\n", node_type_str(node->type));
ast_print(f, node->data.c_import.block, 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;
}
}
struct AstRender {
int indent;
int indent_size;
FILE *f;
};
static void print_indent(AstRender *ar) {
for (int i = 0; i < ar->indent; i += 1) {
fprintf(ar->f, " ");
}
}
static void render_node(AstRender *ar, AstNode *node) {
assert(node->type == NodeTypeRoot || *node->parent_field == node);
switch (node->type) {
case NodeTypeRoot:
for (int i = 0; i < node->data.root.top_level_decls.length; i += 1) {
AstNode *child = node->data.root.top_level_decls.at(i);
print_indent(ar);
render_node(ar, child);
if (child->type == NodeTypeImport ||
child->type == NodeTypeVariableDeclaration ||
child->type == NodeTypeErrorValueDecl)
{
fprintf(ar->f, ";");
}
fprintf(ar->f, "\n");
}
break;
case NodeTypeRootExportDecl:
zig_panic("TODO");
case NodeTypeFnProto:
{
const char *fn_name = buf_ptr(&node->data.fn_proto.name);
const char *pub_str = visib_mod_string(node->data.fn_proto.visib_mod);
const char *extern_str = extern_string(node->data.fn_proto.is_extern);
fprintf(ar->f, "%s%sfn %s(", pub_str, extern_str, fn_name);
int arg_count = node->data.fn_proto.params.length;
bool is_var_args = node->data.fn_proto.is_var_args;
for (int arg_i = 0; arg_i < arg_count; arg_i += 1) {
AstNode *param_decl = node->data.fn_proto.params.at(arg_i);
assert(param_decl->type == NodeTypeParamDecl);
const char *arg_name = buf_ptr(&param_decl->data.param_decl.name);
const char *noalias_str = param_decl->data.param_decl.is_noalias ? "noalias " : "";
fprintf(ar->f, "%s%s: ", noalias_str, arg_name);
render_node(ar, param_decl->data.param_decl.type);
if (arg_i + 1 < arg_count || is_var_args) {
fprintf(ar->f, ", ");
}
}
if (is_var_args) {
fprintf(ar->f, "...");
}
fprintf(ar->f, ")");
AstNode *return_type_node = node->data.fn_proto.return_type;
bool is_void = return_type_node->type != NodeTypeSymbol &&
buf_eql_str(&return_type_node->data.symbol_expr.symbol, "void");
if (!is_void) {
fprintf(ar->f, " -> ");
render_node(ar, return_type_node);
}
fprintf(ar->f, ";");
break;
}
case NodeTypeFnDef:
zig_panic("TODO");
case NodeTypeFnDecl:
zig_panic("TODO");
case NodeTypeParamDecl:
zig_panic("TODO");
case NodeTypeBlock:
zig_panic("TODO");
case NodeTypeDirective:
zig_panic("TODO");
case NodeTypeReturnExpr:
zig_panic("TODO");
case NodeTypeVariableDeclaration:
{
const char *pub_str = visib_mod_string(node->data.variable_declaration.visib_mod);
const char *extern_str = extern_string(node->data.variable_declaration.is_extern);
const char *var_name = buf_ptr(&node->data.variable_declaration.symbol);
const char *const_or_var = const_or_var_string(node->data.variable_declaration.is_const);
fprintf(ar->f, "%s%s%s %s", pub_str, extern_str, const_or_var, var_name);
if (node->data.variable_declaration.type) {
fprintf(ar->f, ": ");
render_node(ar, node->data.variable_declaration.type);
}
if (node->data.variable_declaration.expr) {
fprintf(ar->f, " = ");
render_node(ar, node->data.variable_declaration.expr);
}
break;
}
case NodeTypeErrorValueDecl:
zig_panic("TODO");
case NodeTypeBinOpExpr:
zig_panic("TODO");
case NodeTypeUnwrapErrorExpr:
zig_panic("TODO");
case NodeTypeNumberLiteral:
zig_panic("TODO");
case NodeTypeStringLiteral:
zig_panic("TODO");
case NodeTypeCharLiteral:
zig_panic("TODO");
case NodeTypeSymbol:
fprintf(ar->f, "%s", buf_ptr(&node->data.symbol_expr.symbol));
break;
case NodeTypePrefixOpExpr:
{
PrefixOp op = node->data.prefix_op_expr.prefix_op;
fprintf(ar->f, "%s", prefix_op_str(op));
render_node(ar, node->data.prefix_op_expr.primary_expr);
break;
}
case NodeTypeFnCallExpr:
zig_panic("TODO");
case NodeTypeArrayAccessExpr:
zig_panic("TODO");
case NodeTypeSliceExpr:
zig_panic("TODO");
case NodeTypeFieldAccessExpr:
zig_panic("TODO");
case NodeTypeImport:
zig_panic("TODO");
case NodeTypeCImport:
zig_panic("TODO");
case NodeTypeBoolLiteral:
zig_panic("TODO");
case NodeTypeNullLiteral:
zig_panic("TODO");
case NodeTypeUndefinedLiteral:
zig_panic("TODO");
case NodeTypeIfBoolExpr:
zig_panic("TODO");
case NodeTypeIfVarExpr:
zig_panic("TODO");
case NodeTypeWhileExpr:
zig_panic("TODO");
case NodeTypeForExpr:
zig_panic("TODO");
case NodeTypeSwitchExpr:
zig_panic("TODO");
case NodeTypeSwitchProng:
zig_panic("TODO");
case NodeTypeSwitchRange:
zig_panic("TODO");
case NodeTypeLabel:
zig_panic("TODO");
case NodeTypeGoto:
zig_panic("TODO");
case NodeTypeBreak:
zig_panic("TODO");
case NodeTypeContinue:
zig_panic("TODO");
case NodeTypeAsmExpr:
zig_panic("TODO");
case NodeTypeStructDecl:
{
const char *struct_name = buf_ptr(&node->data.struct_decl.name);
const char *pub_str = visib_mod_string(node->data.struct_decl.visib_mod);
fprintf(ar->f, "%sstruct %s {\n", pub_str, struct_name);
ar->indent += ar->indent_size;
for (int field_i = 0; field_i < node->data.struct_decl.fields.length; field_i += 1) {
AstNode *field_node = node->data.struct_decl.fields.at(field_i);
assert(field_node->type == NodeTypeStructField);
const char *field_name = buf_ptr(&field_node->data.struct_field.name);
print_indent(ar);
fprintf(ar->f, "%s: ", field_name);
render_node(ar, field_node->data.struct_field.type);
fprintf(ar->f, ",\n");
}
ar->indent -= ar->indent_size;
fprintf(ar->f, "}\n");
break;
}
case NodeTypeStructField:
zig_panic("TODO");
case NodeTypeContainerInitExpr:
zig_panic("TODO");
case NodeTypeStructValueField:
zig_panic("TODO");
case NodeTypeArrayType:
zig_panic("TODO");
case NodeTypeErrorType:
zig_panic("TODO");
}
}
void ast_render(FILE *f, AstNode *node, int indent_size) {
AstRender ar = {0};
ar.f = f;
ar.indent_size = indent_size;
ar.indent = 0;
assert(node->type == NodeTypeRoot);
render_node(&ar, node);
}

20
src/ast_render.hpp Normal file
View File

@ -0,0 +1,20 @@
/*
* Copyright (c) 2015 Andrew Kelley
*
* This file is part of zig, which is MIT licensed.
* See http://opensource.org/licenses/MIT
*/
#ifndef ZIG_AST_RENDER_HPP
#define ZIG_AST_RENDER_HPP
#include "all_types.hpp"
#include <stdio.h>
void ast_print(FILE *f, AstNode *node, int indent);
void ast_render(FILE *f, AstNode *node, int indent_size);
#endif

3
src/codegen.cpp
View File

@ -13,6 +13,7 @@
#include "error.hpp"
#include "analyze.hpp"
#include "errmsg.hpp"
#include "ast_render.hpp"
#include <stdio.h>
#include <errno.h>
@ -3117,7 +3118,7 @@ static ImportTableEntry *codegen_add_code(CodeGen *g, Buf *abs_full_path,
&g->next_node_index);
assert(import_entry->root);
if (g->verbose) {
ast_print(import_entry->root, 0);
ast_print(stderr, import_entry->root, 0);
}
import_entry->di_file = LLVMZigCreateFile(g->dbuilder, buf_ptr(src_basename), buf_ptr(src_dirname));

145
src/main.cpp
View File

@ -11,6 +11,7 @@
#include "os.hpp"
#include "error.hpp"
#include "parseh.hpp"
#include "ast_render.hpp"
#include <stdio.h>
@ -162,41 +163,10 @@ static int build(const char *arg0, int argc, char **argv) {
return 0;
}
struct ParseHPrint {
ParseH parse_h;
FILE *f;
int cur_indent;
};
static const int indent_size = 4;
static void print_indent(ParseHPrint *p) {
for (int i = 0; i < p->cur_indent; i += 1) {
fprintf(p->f, " ");
}
}
static Buf *node_to_buf(AstNode *node) {
if (node->type == NodeTypeSymbol) {
return &node->data.symbol_expr.symbol;
} else if (node->type == NodeTypePrefixOpExpr) {
PrefixOp op = node->data.prefix_op_expr.prefix_op;
const char *child_type_str = buf_ptr(node_to_buf(node->data.prefix_op_expr.primary_expr));
if (op == PrefixOpAddressOf) {
return buf_sprintf("&%s", child_type_str);
} else if (op == PrefixOpConstAddressOf) {
return buf_sprintf("&const %s", child_type_str);
} else {
zig_unreachable();
}
} else {
zig_unreachable();
}
}
static int parseh(const char *arg0, int argc, char **argv) {
char *in_file = nullptr;
ZigList<const char *> clang_argv = {0};
ErrColor color = ErrColorAuto;
for (int i = 0; i < argc; i += 1) {
char *arg = argv[i];
if (arg[0] == '-') {
@ -206,10 +176,24 @@ static int parseh(const char *arg0, int argc, char **argv) {
if (i + 1 >= argc) {
return usage(arg0);
}
clang_argv.append("-isystem");
clang_argv.append(argv[i + 1]);
i += 1;
} else {
clang_argv.append("-isystem");
clang_argv.append(argv[i]);
} else if (strcmp(arg, "--color") == 0) {
if (i + 1 >= argc) {
return usage(arg0);
}
i += 1;
if (strcmp(argv[i], "auto") == 0) {
color = ErrColorAuto;
} else if (strcmp(argv[i], "on") == 0) {
color = ErrColorOn;
} else if (strcmp(argv[i], "off") == 0) {
color = ErrColorOff;
} else {
return usage(arg0);
}
} else {
fprintf(stderr, "unrecognized argument: %s", arg);
return usage(arg0);
}
@ -231,91 +215,24 @@ static int parseh(const char *arg0, int argc, char **argv) {
clang_argv.append("-isystem");
clang_argv.append(buf_ptr(libc_include_path));
ParseHPrint parse_h_print = {{{0}}};
ParseHPrint *p = &parse_h_print;
p->f = stdout;
p->cur_indent = 0;
ImportTableEntry import = {0};
ZigList<ErrorMsg *> errors = {0};
int err = parse_h_file(&import, &errors, &clang_argv);
parse_h_file(&p->parse_h, &clang_argv);
if (err) {
fprintf(stderr, "unable to parse .h file: %s\n", err_str(err));
return EXIT_FAILURE;
}
if (p->parse_h.errors.length > 0) {
for (int i = 0; i < p->parse_h.errors.length; i += 1) {
ErrorMsg *err_msg = p->parse_h.errors.at(i);
// TODO respect --color arg
print_err_msg(err_msg, ErrColorAuto);
if (errors.length > 0) {
for (int i = 0; i < errors.length; i += 1) {
ErrorMsg *err_msg = errors.at(i);
print_err_msg(err_msg, color);
}
return EXIT_FAILURE;
}
for (int var_i = 0; var_i < p->parse_h.var_list.length; var_i += 1) {
AstNode *var_decl = p->parse_h.var_list.at(var_i);
assert(var_decl->type == NodeTypeVariableDeclaration);
const char *pub_str = (var_decl->data.variable_declaration.visib_mod == VisibModPub) ? "pub " : "";
const char *extern_str = var_decl->data.variable_declaration.is_extern ? "extern " : "";
const char *var_name = buf_ptr(&var_decl->data.variable_declaration.symbol);
const char *const_or_var = var_decl->data.variable_declaration.is_const ? "const" : "var";
print_indent(p);
fprintf(p->f, "%s%s%s %s", pub_str, extern_str, const_or_var, var_name);
if (var_decl->data.variable_declaration.type) {
fprintf(p->f, ": %s", buf_ptr(node_to_buf(var_decl->data.variable_declaration.type)));
}
if (var_decl->data.variable_declaration.expr) {
fprintf(p->f, " = %s", buf_ptr(node_to_buf(var_decl->data.variable_declaration.expr)));
}
fprintf(p->f, ";\n");
}
for (int struct_i = 0; struct_i < p->parse_h.struct_list.length; struct_i += 1) {
AstNode *struct_decl = p->parse_h.struct_list.at(struct_i);
assert(struct_decl->type == NodeTypeStructDecl);
const char *struct_name = buf_ptr(&struct_decl->data.struct_decl.name);
print_indent(p);
fprintf(p->f, "struct %s {\n", struct_name);
p->cur_indent += indent_size;
for (int field_i = 0; field_i < struct_decl->data.struct_decl.fields.length; field_i += 1) {
AstNode *field_node = struct_decl->data.struct_decl.fields.at(field_i);
assert(field_node->type == NodeTypeStructField);
const char *field_name = buf_ptr(&field_node->data.struct_field.name);
Buf *type_name = node_to_buf(field_node->data.struct_field.type);
print_indent(p);
fprintf(p->f, "%s: %s,\n", field_name, buf_ptr(type_name));
}
p->cur_indent -= indent_size;
fprintf(p->f, "}\n\n");
}
for (int fn_i = 0; fn_i < p->parse_h.fn_list.length; fn_i += 1) {
AstNode *fn_proto = p->parse_h.fn_list.at(fn_i);
assert(fn_proto->type == NodeTypeFnProto);
print_indent(p);
const char *fn_name = buf_ptr(&fn_proto->data.fn_proto.name);
const char *pub_str = (fn_proto->data.fn_proto.visib_mod == VisibModPub) ? "pub " : "";
const char *extern_str = fn_proto->data.fn_proto.is_extern ? "extern " : "";
fprintf(p->f, "%s%sfn %s(", pub_str, extern_str, fn_name);
int arg_count = fn_proto->data.fn_proto.params.length;
bool is_var_args = fn_proto->data.fn_proto.is_var_args;
for (int arg_i = 0; arg_i < arg_count; arg_i += 1) {
AstNode *param_decl = fn_proto->data.fn_proto.params.at(arg_i);
assert(param_decl->type == NodeTypeParamDecl);
const char *arg_name = buf_ptr(&param_decl->data.param_decl.name);
Buf *arg_type = node_to_buf(param_decl->data.param_decl.type);
const char *noalias_str = param_decl->data.param_decl.is_noalias ? "noalias " : "";
fprintf(p->f, "%s%s: %s", noalias_str, arg_name, buf_ptr(arg_type));
if (arg_i + 1 < arg_count || is_var_args) {
fprintf(p->f, ", ");
}
}
if (is_var_args) {
fprintf(p->f, "...");
}
fprintf(p->f, ")");
Buf *return_type_name = node_to_buf(fn_proto->data.fn_proto.return_type);
if (!buf_eql_str(return_type_name, "void")) {
fprintf(p->f, " -> %s", buf_ptr(return_type_name));
}
fprintf(p->f, ";\n");
}
ast_render(stdout, import.root, 4);
return 0;
}

41
src/parseh.cpp
View File

@ -9,6 +9,8 @@
#include "config.h"
#include "os.hpp"
#include "error.hpp"
#include "parser.hpp"
#include "all_types.hpp"
#include <clang/Frontend/ASTUnit.h>
#include <clang/Frontend/CompilerInstance.h>
@ -18,10 +20,12 @@
using namespace clang;
struct Context {
ParseH *parse_h;
ImportTableEntry *import;
ZigList<ErrorMsg *> *errors;
bool warnings_on;
VisibMod visib_mod;
AstNode *c_void_decl_node;
AstNode *root;
HashMap<Buf *, bool, buf_hash, buf_eql_buf> type_table;
};
@ -30,6 +34,7 @@ static AstNode *make_qual_type_node(Context *c, QualType qt);
static AstNode *create_node(Context *c, NodeType type) {
AstNode *node = allocate<AstNode>(1);
node->type = type;
node->owner = c->import;
return node;
}
@ -44,6 +49,10 @@ static const char *decl_name(const Decl *decl) {
return (const char *)named_decl->getName().bytes_begin();
}
static ZigList<AstNode *> *create_empty_directives(Context *c) {
return allocate<ZigList<AstNode*>>(1);
}
static AstNode *create_typedef_node(Context *c, Buf *new_name, AstNode *target_node) {
if (!target_node) {
return nullptr;
@ -53,7 +62,10 @@ static AstNode *create_typedef_node(Context *c, Buf *new_name, AstNode *target_n
node->data.variable_declaration.is_const = true;
node->data.variable_declaration.visib_mod = c->visib_mod;
node->data.variable_declaration.expr = target_node;
c->parse_h->var_list.append(node);
node->data.variable_declaration.directives = create_empty_directives(c);
normalize_parent_ptrs(node);
c->root->data.root.top_level_decls.append(node);
return node;
}
@ -79,6 +91,7 @@ static AstNode *pointer_to_type(Context *c, AstNode *type_node, bool is_const) {
AstNode *node = create_node(c, NodeTypePrefixOpExpr);
node->data.prefix_op_expr.prefix_op = is_const ? PrefixOpConstAddressOf : PrefixOpAddressOf;
node->data.prefix_op_expr.primary_expr = convert_to_c_void(c, type_node);
normalize_parent_ptrs(node);
return node;
}
@ -255,6 +268,7 @@ static void visit_fn_decl(Context *c, const FunctionDecl *fn_decl) {
AstNode *node = create_node(c, NodeTypeFnProto);
node->data.fn_proto.is_extern = true;
node->data.fn_proto.visib_mod = c->visib_mod;
node->data.fn_proto.directives = create_empty_directives(c);
node->data.fn_proto.is_var_args = fn_decl->isVariadic();
buf_init_from_str(&node->data.fn_proto.name, decl_name(fn_decl));
@ -276,6 +290,7 @@ static void visit_fn_decl(Context *c, const FunctionDecl *fn_decl) {
break;
}
normalize_parent_ptrs(param_decl_node);
node->data.fn_proto.params.append(param_decl_node);
}
@ -296,8 +311,9 @@ static void visit_fn_decl(Context *c, const FunctionDecl *fn_decl) {
return;
}
c->parse_h->fn_list.append(node);
normalize_parent_ptrs(node);
c->root->data.root.top_level_decls.append(node);
}
static void visit_typedef_decl(Context *c, const TypedefNameDecl *typedef_decl) {
@ -322,6 +338,7 @@ static void visit_typedef_decl(Context *c, const TypedefNameDecl *typedef_decl)
AstNode *node = create_typedef_node(c, type_name, make_qual_type_node(c, child_qt));
if (node) {
normalize_parent_ptrs(node);
c->type_table.put(type_name, true);
}
}
@ -345,7 +362,9 @@ static bool decl_visitor(void *context, const Decl *decl) {
return true;
}
int parse_h_buf(ParseH *parse_h, Buf *source, const char **args, int args_len, const char *libc_include_path) {
int parse_h_buf(ImportTableEntry *import, ZigList<ErrorMsg *> *errors, Buf *source,
const char **args, int args_len, const char *libc_include_path)
{
int err;
Buf tmp_file_path = BUF_INIT;
if ((err = os_buf_to_tmp_file(source, buf_create_from_str(".h"), &tmp_file_path))) {
@ -361,17 +380,18 @@ int parse_h_buf(ParseH *parse_h, Buf *source, const char **args, int args_len, c
clang_argv.append(args[i]);
}
err = parse_h_file(parse_h, &clang_argv);
err = parse_h_file(import, errors, &clang_argv);
os_delete_file(&tmp_file_path);
return err;
}
int parse_h_file(ParseH *parse_h, ZigList<const char *> *clang_argv) {
int parse_h_file(ImportTableEntry *import, ZigList<ErrorMsg *> *errors, ZigList<const char *> *clang_argv) {
Context context = {0};
Context *c = &context;
c->parse_h = parse_h;
c->import = import;
c->errors = errors;
c->type_table.init(64);
char *ZIG_PARSEH_CFLAGS = getenv("ZIG_PARSEH_CFLAGS");
@ -455,13 +475,18 @@ int parse_h_file(ParseH *parse_h, ZigList<const char *> *clang_argv) {
ErrorMsg *err_msg = err_msg_create_with_offset(path, line, column, offset, source, msg);
parse_h->errors.append(err_msg);
c->errors->append(err_msg);
}
return 0;
}
c->root = create_node(c, NodeTypeRoot);
ast_unit->visitLocalTopLevelDecls(c, decl_visitor);
normalize_parent_ptrs(c->root);
import->root = c->root;
import->is_c_import = true;
return 0;
}

6
src/parseh.hpp
View File

@ -11,7 +11,9 @@
#include "all_types.hpp"
int parse_h_file(ParseH *parse_h, ZigList<const char *> *clang_argv);
int parse_h_buf(ParseH *parse_h, Buf *source, const char **args, int args_len, const char *libc_include_path);
int parse_h_file(ImportTableEntry *out_import, ZigList<ErrorMsg *> *out_errs,
ZigList<const char *> *clang_argv);
int parse_h_buf(ImportTableEntry *out_import, ZigList<ErrorMsg *> *out_errs,
Buf *source, const char **args, int args_len, const char *libc_include_path);
#endif

459
src/parser.cpp
View File

@ -14,465 +14,6 @@
#include <limits.h>
#include <errno.h>
static const char *bin_op_str(BinOpType bin_op) {
switch (bin_op) {
case BinOpTypeInvalid: return "(invalid)";
case BinOpTypeBoolOr: return "||";
case BinOpTypeBoolAnd: return "&&";
case BinOpTypeCmpEq: return "==";
case BinOpTypeCmpNotEq: return "!=";
case BinOpTypeCmpLessThan: return "<";
case BinOpTypeCmpGreaterThan: return ">";
case BinOpTypeCmpLessOrEq: return "<=";
case BinOpTypeCmpGreaterOrEq: return ">=";
case BinOpTypeBinOr: return "|";
case BinOpTypeBinXor: return "^";
case BinOpTypeBinAnd: return "&";
case BinOpTypeBitShiftLeft: return "<<";
case BinOpTypeBitShiftRight: return ">>";
case BinOpTypeAdd: return "+";
case BinOpTypeSub: return "-";
case BinOpTypeMult: return "*";
case BinOpTypeDiv: return "/";
case BinOpTypeMod: return "%";
case BinOpTypeAssign: return "=";
case BinOpTypeAssignTimes: return "*=";
case BinOpTypeAssignDiv: return "/=";
case BinOpTypeAssignMod: return "%=";
case BinOpTypeAssignPlus: return "+=";
case BinOpTypeAssignMinus: return "-=";
case BinOpTypeAssignBitShiftLeft: return "<<=";
case BinOpTypeAssignBitShiftRight: return ">>=";
case BinOpTypeAssignBitAnd: return "&=";
case BinOpTypeAssignBitXor: return "^=";
case BinOpTypeAssignBitOr: return "|=";
case BinOpTypeAssignBoolAnd: return "&&=";
case BinOpTypeAssignBoolOr: return "||=";
case BinOpTypeUnwrapMaybe: return "??";
case BinOpTypeStrCat: return "++";
}
zig_unreachable();
}
static const char *prefix_op_str(PrefixOp prefix_op) {
switch (prefix_op) {
case PrefixOpInvalid: return "(invalid)";
case PrefixOpNegation: return "-";
case PrefixOpBoolNot: return "!";
case PrefixOpBinNot: return "~";
case PrefixOpAddressOf: return "&";
case PrefixOpConstAddressOf: return "&const";
case PrefixOpDereference: return "*";
case PrefixOpMaybe: return "?";
case PrefixOpError: return "%";
case PrefixOpUnwrapError: return "%%";
}
zig_unreachable();
}
static const char *return_prefix_str(ReturnKind kind) {
switch (kind) {
case ReturnKindError: return "%";
case ReturnKindMaybe: return "?";
case ReturnKindUnconditional: return "";
}
zig_unreachable();
}
const char *node_type_str(NodeType node_type) {
switch (node_type) {
case NodeTypeRoot:
return "Root";
case NodeTypeRootExportDecl:
return "RootExportDecl";
case NodeTypeFnDef:
return "FnDef";
case NodeTypeFnDecl:
return "FnDecl";
case NodeTypeFnProto:
return "FnProto";
case NodeTypeParamDecl:
return "ParamDecl";
case NodeTypeBlock:
return "Block";
case NodeTypeBinOpExpr:
return "BinOpExpr";
case NodeTypeUnwrapErrorExpr:
return "UnwrapErrorExpr";
case NodeTypeFnCallExpr:
return "FnCallExpr";
case NodeTypeArrayAccessExpr:
return "ArrayAccessExpr";
case NodeTypeSliceExpr:
return "SliceExpr";
case NodeTypeDirective:
return "Directive";
case NodeTypeReturnExpr:
return "ReturnExpr";
case NodeTypeVariableDeclaration:
return "VariableDeclaration";
case NodeTypeErrorValueDecl:
return "ErrorValueDecl";
case NodeTypeNumberLiteral:
return "NumberLiteral";
case NodeTypeStringLiteral:
return "StringLiteral";
case NodeTypeCharLiteral:
return "CharLiteral";
case NodeTypeSymbol:
return "Symbol";
case NodeTypePrefixOpExpr:
return "PrefixOpExpr";
case NodeTypeImport:
return "Import";
case NodeTypeCImport:
return "CImport";
case NodeTypeBoolLiteral:
return "BoolLiteral";
case NodeTypeNullLiteral:
return "NullLiteral";
case NodeTypeUndefinedLiteral:
return "UndefinedLiteral";
case NodeTypeIfBoolExpr:
return "IfBoolExpr";
case NodeTypeIfVarExpr:
return "IfVarExpr";
case NodeTypeWhileExpr:
return "WhileExpr";
case NodeTypeForExpr:
return "ForExpr";
case NodeTypeSwitchExpr:
return "SwitchExpr";
case NodeTypeSwitchProng:
return "SwitchProng";
case NodeTypeSwitchRange:
return "SwitchRange";
case NodeTypeLabel:
return "Label";
case NodeTypeGoto:
return "Goto";
case NodeTypeBreak:
return "Break";
case NodeTypeContinue:
return "Continue";
case NodeTypeAsmExpr:
return "AsmExpr";
case NodeTypeFieldAccessExpr:
return "FieldAccessExpr";
case NodeTypeStructDecl:
return "StructDecl";
case NodeTypeStructField:
return "StructField";
case NodeTypeStructValueField:
return "StructValueField";
case NodeTypeContainerInitExpr:
return "ContainerInitExpr";
case NodeTypeArrayType:
return "ArrayType";
case NodeTypeErrorType:
return "ErrorType";
}
zig_unreachable();
}
void ast_print(AstNode *node, int indent) {
for (int i = 0; i < indent; i += 1) {
fprintf(stderr, " ");
}
assert(node->type == NodeTypeRoot || *node->parent_field == node);
switch (node->type) {
case NodeTypeRoot:
fprintf(stderr, "%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(child, indent + 2);
}
break;
case NodeTypeRootExportDecl:
fprintf(stderr, "%s %s '%s'\n", node_type_str(node->type),
buf_ptr(&node->data.root_export_decl.type),
buf_ptr(&node->data.root_export_decl.name));
break;
case NodeTypeFnDef:
{
fprintf(stderr, "%s\n", node_type_str(node->type));
AstNode *child = node->data.fn_def.fn_proto;
ast_print(child, indent + 2);
ast_print(node->data.fn_def.body, indent + 2);
break;
}
case NodeTypeFnProto:
{
Buf *name_buf = &node->data.fn_proto.name;
fprintf(stderr, "%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(child, indent + 2);
}
ast_print(node->data.fn_proto.return_type, indent + 2);
break;
}
case NodeTypeBlock:
{
fprintf(stderr, "%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(child, indent + 2);
}
break;
}
case NodeTypeParamDecl:
{
Buf *name_buf = &node->data.param_decl.name;
fprintf(stderr, "%s '%s'\n", node_type_str(node->type), buf_ptr(name_buf));
ast_print(node->data.param_decl.type, indent + 2);
break;
}
case NodeTypeReturnExpr:
{
const char *prefix_str = return_prefix_str(node->data.return_expr.kind);
fprintf(stderr, "%s%s\n", prefix_str, node_type_str(node->type));
if (node->data.return_expr.expr)
ast_print(node->data.return_expr.expr, indent + 2);
break;
}
case NodeTypeVariableDeclaration:
{
Buf *name_buf = &node->data.variable_declaration.symbol;
fprintf(stderr, "%s '%s'\n", node_type_str(node->type), buf_ptr(name_buf));
if (node->data.variable_declaration.type)
ast_print(node->data.variable_declaration.type, indent + 2);
if (node->data.variable_declaration.expr)
ast_print(node->data.variable_declaration.expr, indent + 2);
break;
}
case NodeTypeErrorValueDecl:
{
Buf *name_buf = &node->data.error_value_decl.name;
fprintf(stderr, "%s '%s'\n", node_type_str(node->type), buf_ptr(name_buf));
break;
}
case NodeTypeFnDecl:
fprintf(stderr, "%s\n", node_type_str(node->type));
ast_print(node->data.fn_decl.fn_proto, indent + 2);
break;
case NodeTypeBinOpExpr:
fprintf(stderr, "%s %s\n", node_type_str(node->type),
bin_op_str(node->data.bin_op_expr.bin_op));
ast_print(node->data.bin_op_expr.op1, indent + 2);
ast_print(node->data.bin_op_expr.op2, indent + 2);
break;
case NodeTypeUnwrapErrorExpr:
fprintf(stderr, "%s\n", node_type_str(node->type));
ast_print(node->data.unwrap_err_expr.op1, indent + 2);
if (node->data.unwrap_err_expr.symbol) {
ast_print(node->data.unwrap_err_expr.symbol, indent + 2);
}
ast_print(node->data.unwrap_err_expr.op2, indent + 2);
break;
case NodeTypeFnCallExpr:
fprintf(stderr, "%s\n", node_type_str(node->type));
ast_print(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(child, indent + 2);
}
break;
case NodeTypeArrayAccessExpr:
fprintf(stderr, "%s\n", node_type_str(node->type));
ast_print(node->data.array_access_expr.array_ref_expr, indent + 2);
ast_print(node->data.array_access_expr.subscript, indent + 2);
break;
case NodeTypeSliceExpr:
fprintf(stderr, "%s\n", node_type_str(node->type));
ast_print(node->data.slice_expr.array_ref_expr, indent + 2);
ast_print(node->data.slice_expr.start, indent + 2);
if (node->data.slice_expr.end) {
ast_print(node->data.slice_expr.end, indent + 2);
}
break;
case NodeTypeDirective:
fprintf(stderr, "%s\n", node_type_str(node->type));
break;
case NodeTypePrefixOpExpr:
fprintf(stderr, "%s %s\n", node_type_str(node->type),
prefix_op_str(node->data.prefix_op_expr.prefix_op));
ast_print(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(stderr, "%s uint %" PRIu64 "\n", name, node->data.number_literal.data.x_uint);
} else {
fprintf(stderr, "%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(stderr, "StringLiteral %s'%s'\n", c,
buf_ptr(&node->data.string_literal.buf));
break;
}
case NodeTypeCharLiteral:
{
fprintf(stderr, "%s '%c'\n", node_type_str(node->type), node->data.char_literal.value);
break;
}
case NodeTypeSymbol:
fprintf(stderr, "Symbol %s\n", buf_ptr(&node->data.symbol_expr.symbol));
break;
case NodeTypeImport:
fprintf(stderr, "%s '%s'\n", node_type_str(node->type), buf_ptr(&node->data.import.path));
break;
case NodeTypeCImport:
fprintf(stderr, "%s\n", node_type_str(node->type));
ast_print(node->data.c_import.block, indent + 2);
break;
case NodeTypeBoolLiteral:
fprintf(stderr, "%s '%s'\n", node_type_str(node->type),
node->data.bool_literal.value ? "true" : "false");
break;
case NodeTypeNullLiteral:
fprintf(stderr, "%s\n", node_type_str(node->type));
break;
case NodeTypeIfBoolExpr:
fprintf(stderr, "%s\n", node_type_str(node->type));
if (node->data.if_bool_expr.condition)
ast_print(node->data.if_bool_expr.condition, indent + 2);
ast_print(node->data.if_bool_expr.then_block, indent + 2);
if (node->data.if_bool_expr.else_node)
ast_print(node->data.if_bool_expr.else_node, indent + 2);
break;
case NodeTypeIfVarExpr:
{
Buf *name_buf = &node->data.if_var_expr.var_decl.symbol;
fprintf(stderr, "%s '%s'\n", node_type_str(node->type), buf_ptr(name_buf));
if (node->data.if_var_expr.var_decl.type)
ast_print(node->data.if_var_expr.var_decl.type, indent + 2);
if (node->data.if_var_expr.var_decl.expr)
ast_print(node->data.if_var_expr.var_decl.expr, indent + 2);
ast_print(node->data.if_var_expr.then_block, indent + 2);
if (node->data.if_var_expr.else_node)
ast_print(node->data.if_var_expr.else_node, indent + 2);
break;
}
case NodeTypeWhileExpr:
fprintf(stderr, "%s\n", node_type_str(node->type));
ast_print(node->data.while_expr.condition, indent + 2);
ast_print(node->data.while_expr.body, indent + 2);
break;
case NodeTypeForExpr:
fprintf(stderr, "%s\n", node_type_str(node->type));
ast_print(node->data.for_expr.elem_node, indent + 2);
ast_print(node->data.for_expr.array_expr, indent + 2);
if (node->data.for_expr.index_node) {
ast_print(node->data.for_expr.index_node, indent + 2);
}
ast_print(node->data.for_expr.body, indent + 2);
break;
case NodeTypeSwitchExpr:
fprintf(stderr, "%s\n", node_type_str(node->type));
ast_print(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(child_node, indent + 2);
}
break;
case NodeTypeSwitchProng:
fprintf(stderr, "%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(child_node, indent + 2);
}
if (node->data.switch_prong.var_symbol) {
ast_print(node->data.switch_prong.var_symbol, indent + 2);
}
ast_print(node->data.switch_prong.expr, indent + 2);
break;
case NodeTypeSwitchRange:
fprintf(stderr, "%s\n", node_type_str(node->type));
ast_print(node->data.switch_range.start, indent + 2);
ast_print(node->data.switch_range.end, indent + 2);
break;
case NodeTypeLabel:
fprintf(stderr, "%s '%s'\n", node_type_str(node->type), buf_ptr(&node->data.label.name));
break;
case NodeTypeGoto:
fprintf(stderr, "%s '%s'\n", node_type_str(node->type), buf_ptr(&node->data.goto_expr.name));
break;
case NodeTypeBreak:
fprintf(stderr, "%s\n", node_type_str(node->type));
break;
case NodeTypeContinue:
fprintf(stderr, "%s\n", node_type_str(node->type));
break;
case NodeTypeUndefinedLiteral:
fprintf(stderr, "%s\n", node_type_str(node->type));
break;
case NodeTypeAsmExpr:
fprintf(stderr, "%s\n", node_type_str(node->type));
break;
case NodeTypeFieldAccessExpr:
fprintf(stderr, "%s '%s'\n", node_type_str(node->type),
buf_ptr(&node->data.field_access_expr.field_name));
ast_print(node->data.field_access_expr.struct_expr, indent + 2);
break;
case NodeTypeStructDecl:
fprintf(stderr, "%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(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(child, indent + 2);
}
break;
case NodeTypeStructField:
fprintf(stderr, "%s '%s'\n", node_type_str(node->type), buf_ptr(&node->data.struct_field.name));
if (node->data.struct_field.type) {
ast_print(node->data.struct_field.type, indent + 2);
}
break;
case NodeTypeStructValueField:
fprintf(stderr, "%s '%s'\n", node_type_str(node->type), buf_ptr(&node->data.struct_val_field.name));
ast_print(node->data.struct_val_field.expr, indent + 2);
break;
case NodeTypeContainerInitExpr:
fprintf(stderr, "%s\n", node_type_str(node->type));
ast_print(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(child, indent + 2);
}
break;
case NodeTypeArrayType:
{
const char *const_str = node->data.array_type.is_const ? "const" : "var";
fprintf(stderr, "%s %s\n", node_type_str(node->type), const_str);
if (node->data.array_type.size) {
ast_print(node->data.array_type.size, indent + 2);
}
ast_print(node->data.array_type.child_type, indent + 2);
break;
}
case NodeTypeErrorType:
fprintf(stderr, "%s\n", node_type_str(node->type));
break;
}
}
struct ParseContext {
Buf *buf;
AstNode *root;