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authorGinger Bill <bill@gingerbill.org>2017-06-08 12:03:40 +0100
committerGinger Bill <bill@gingerbill.org>2017-06-08 12:03:40 +0100
commit9b61adb97dd78e1cf04ad410e72166f684f97925 (patch)
treeccb50b757f31c36dcd2bac161d191e2d23dcb6d1 /src/parser.c
parent333924cce15e10e941ee63d6fcdc19d5cb95bb3c (diff)
Build as C++
Diffstat (limited to 'src/parser.c')
-rw-r--r--src/parser.c4255
1 files changed, 0 insertions, 4255 deletions
diff --git a/src/parser.c b/src/parser.c
deleted file mode 100644
index 18aa32a0f..000000000
--- a/src/parser.c
+++ /dev/null
@@ -1,4255 +0,0 @@
-typedef struct AstNode AstNode;
-typedef struct Scope Scope;
-typedef struct DeclInfo DeclInfo;
-
-typedef enum ParseFileError {
- ParseFile_None,
-
- ParseFile_WrongExtension,
- ParseFile_InvalidFile,
- ParseFile_EmptyFile,
- ParseFile_Permission,
- ParseFile_NotFound,
- ParseFile_InvalidToken,
-
- ParseFile_Count,
-} ParseFileError;
-
-typedef Array(AstNode *) AstNodeArray;
-
-typedef struct AstFile {
- i32 id;
- gbArena arena;
- Tokenizer tokenizer;
- Array(Token) tokens;
- isize curr_token_index;
- Token curr_token;
- Token prev_token; // previous non-comment
-
- // >= 0: In Expression
- // < 0: In Control Clause
- // NOTE(bill): Used to prevent type literals in control clauses
- isize expr_level;
- bool allow_range; // NOTE(bill): Ranges are only allowed in certain cases
-
- AstNodeArray decls;
- bool is_global_scope;
-
- AstNode * curr_proc;
- isize scope_level;
- Scope * scope; // NOTE(bill): Created in checker
- DeclInfo * decl_info; // NOTE(bill): Created in checker
-
- // TODO(bill): Error recovery
-#define PARSER_MAX_FIX_COUNT 6
- isize fix_count;
- TokenPos fix_prev_pos;
-} AstFile;
-
-typedef struct ImportedFile {
- String path;
- String rel_path;
- TokenPos pos; // #import
-} ImportedFile;
-
-typedef struct Parser {
- String init_fullpath;
- Array(AstFile) files;
- Array(ImportedFile) imports;
- gbAtomic32 import_index;
- isize total_token_count;
- isize total_line_count;
- gbMutex mutex;
-} Parser;
-
-typedef enum ProcTag {
- ProcTag_bounds_check = 1<<0,
- ProcTag_no_bounds_check = 1<<1,
-
- ProcTag_require_results = 1<<4,
-
- ProcTag_foreign = 1<<10,
- ProcTag_export = 1<<11,
- ProcTag_link_name = 1<<12,
- ProcTag_inline = 1<<13,
- ProcTag_no_inline = 1<<14,
- // ProcTag_dll_import = 1<<15,
- // ProcTag_dll_export = 1<<16,
-} ProcTag;
-
-typedef enum ProcCallingConvention {
- ProcCC_Odin = 0,
- ProcCC_C = 1,
- ProcCC_Std = 2,
- ProcCC_Fast = 3,
-
- ProcCC_Invalid,
-} ProcCallingConvention;
-
-typedef enum VarDeclFlag {
- VarDeclFlag_using = 1<<0,
- VarDeclFlag_immutable = 1<<1,
- VarDeclFlag_thread_local = 1<<2,
-} VarDeclFlag;
-
-typedef enum StmtStateFlag {
- StmtStateFlag_bounds_check = 1<<0,
- StmtStateFlag_no_bounds_check = 1<<1,
-} StmtStateFlag;
-
-typedef enum FieldFlag {
- FieldFlag_ellipsis = 1<<0,
- FieldFlag_using = 1<<1,
- FieldFlag_no_alias = 1<<2,
- FieldFlag_immutable = 1<<3,
-
- FieldFlag_Signature = FieldFlag_ellipsis|FieldFlag_using|FieldFlag_no_alias|FieldFlag_immutable,
-} FieldListTag;
-
-typedef enum StmtAllowFlag {
- StmtAllowFlag_None = 0,
- StmtAllowFlag_In = 1<<0,
- StmtAllowFlag_Label = 1<<1,
-} StmtAllowFlag;
-
-
-
-AstNodeArray make_ast_node_array(AstFile *f) {
- AstNodeArray a;
- // array_init(&a, gb_arena_allocator(&f->arena));
- array_init(&a, heap_allocator());
- return a;
-}
-
-
-// NOTE(bill): This massive define is so it is possible to create a discriminated union (and extra debug info)
-// for the AstNode. I personally prefer discriminated unions over subtype polymorphism as I can preallocate
-// all the nodes and even memcpy in a different kind of node
-#define AST_NODE_KINDS \
- AST_NODE_KIND(Ident, "identifier", Token) \
- AST_NODE_KIND(Implicit, "implicit", Token) \
- AST_NODE_KIND(BasicLit, "basic literal", Token) \
- AST_NODE_KIND(BasicDirective, "basic directive", struct { \
- Token token; \
- String name; \
- }) \
- AST_NODE_KIND(Ellipsis, "ellipsis", struct { \
- Token token; \
- AstNode *expr; \
- }) \
- AST_NODE_KIND(ProcLit, "procedure literal", struct { \
- AstNode *type; \
- AstNode *body; \
- u64 tags; \
- AstNode *foreign_library; \
- String foreign_name; \
- String link_name; \
- }) \
- AST_NODE_KIND(CompoundLit, "compound literal", struct { \
- AstNode *type; \
- AstNodeArray elems; \
- Token open, close; \
- }) \
- AST_NODE_KIND(Alias, "alias", struct { \
- Token token; \
- AstNode *expr; \
- }) \
-AST_NODE_KIND(_ExprBegin, "", i32) \
- AST_NODE_KIND(BadExpr, "bad expression", struct { Token begin, end; }) \
- AST_NODE_KIND(TagExpr, "tag expression", struct { Token token, name; AstNode *expr; }) \
- AST_NODE_KIND(RunExpr, "run expression", struct { Token token, name; AstNode *expr; }) \
- AST_NODE_KIND(UnaryExpr, "unary expression", struct { Token op; AstNode *expr; }) \
- AST_NODE_KIND(BinaryExpr, "binary expression", struct { Token op; AstNode *left, *right; } ) \
- AST_NODE_KIND(ParenExpr, "parentheses expression", struct { AstNode *expr; Token open, close; }) \
- AST_NODE_KIND(SelectorExpr, "selector expression", struct { Token token; AstNode *expr, *selector; }) \
- AST_NODE_KIND(IndexExpr, "index expression", struct { AstNode *expr, *index; Token open, close; }) \
- AST_NODE_KIND(DerefExpr, "dereference expression", struct { Token op; AstNode *expr; }) \
- AST_NODE_KIND(SliceExpr, "slice expression", struct { \
- AstNode *expr; \
- Token open, close; \
- Token interval0; \
- Token interval1; \
- bool index3; \
- AstNode *low, *high, *max; \
- }) \
- AST_NODE_KIND(CallExpr, "call expression", struct { \
- AstNode * proc; \
- AstNodeArray args; \
- Token open; \
- Token close; \
- Token ellipsis; \
- }) \
- AST_NODE_KIND(MacroCallExpr, "macro call expression", struct { \
- AstNode * macro; \
- Token bang; \
- AstNodeArray args; \
- Token open; \
- Token close; \
- }) \
- AST_NODE_KIND(FieldValue, "field value", struct { Token eq; AstNode *field, *value; }) \
- AST_NODE_KIND(TernaryExpr, "ternary expression", struct { AstNode *cond, *x, *y; }) \
- AST_NODE_KIND(TypeAssertion, "type assertion", struct { AstNode *expr; Token dot; AstNode *type; }) \
-AST_NODE_KIND(_ExprEnd, "", i32) \
-AST_NODE_KIND(_StmtBegin, "", i32) \
- AST_NODE_KIND(BadStmt, "bad statement", struct { Token begin, end; }) \
- AST_NODE_KIND(EmptyStmt, "empty statement", struct { Token token; }) \
- AST_NODE_KIND(ExprStmt, "expression statement", struct { AstNode *expr; } ) \
- AST_NODE_KIND(TagStmt, "tag statement", struct { \
- Token token; \
- Token name; \
- AstNode *stmt; \
- }) \
- AST_NODE_KIND(AssignStmt, "assign statement", struct { \
- Token op; \
- AstNodeArray lhs, rhs; \
- }) \
- AST_NODE_KIND(IncDecStmt, "increment decrement statement", struct { \
- Token op; \
- AstNode *expr; \
- }) \
-AST_NODE_KIND(_ComplexStmtBegin, "", i32) \
- AST_NODE_KIND(BlockStmt, "block statement", struct { \
- AstNodeArray stmts; \
- Token open, close; \
- }) \
- AST_NODE_KIND(IfStmt, "if statement", struct { \
- Token token; \
- AstNode *init; \
- AstNode *cond; \
- AstNode *body; \
- AstNode *else_stmt; \
- }) \
- AST_NODE_KIND(WhenStmt, "when statement", struct { \
- Token token; \
- AstNode *cond; \
- AstNode *body; \
- AstNode *else_stmt; \
- }) \
- AST_NODE_KIND(ReturnStmt, "return statement", struct { \
- Token token; \
- AstNodeArray results; \
- }) \
- AST_NODE_KIND(ForStmt, "for statement", struct { \
- Token token; \
- AstNode *label; \
- AstNode *init; \
- AstNode *cond; \
- AstNode *post; \
- AstNode *body; \
- }) \
- AST_NODE_KIND(RangeStmt, "range statement", struct { \
- Token token; \
- AstNode *label; \
- AstNode *value; \
- AstNode *index; \
- Token in_token; \
- AstNode *expr; \
- AstNode *body; \
- }) \
- AST_NODE_KIND(CaseClause, "case clause", struct { \
- Token token; \
- AstNodeArray list; \
- AstNodeArray stmts; \
- }) \
- AST_NODE_KIND(MatchStmt, "match statement", struct { \
- Token token; \
- AstNode *label; \
- AstNode *init; \
- AstNode *tag; \
- AstNode *body; \
- }) \
- AST_NODE_KIND(TypeMatchStmt, "type match statement", struct { \
- Token token; \
- AstNode *label; \
- AstNode *tag; \
- AstNode *body; \
- }) \
- AST_NODE_KIND(DeferStmt, "defer statement", struct { Token token; AstNode *stmt; }) \
- AST_NODE_KIND(BranchStmt, "branch statement", struct { Token token; AstNode *label; }) \
- AST_NODE_KIND(UsingStmt, "using statement", struct { \
- Token token; \
- AstNodeArray list; \
- }) \
- AST_NODE_KIND(AsmOperand, "assembly operand", struct { \
- Token string; \
- AstNode *operand; \
- }) \
- AST_NODE_KIND(AsmStmt, "assembly statement", struct { \
- Token token; \
- bool is_volatile; \
- Token open, close; \
- Token code_string; \
- AstNode *output_list; \
- AstNode *input_list; \
- AstNode *clobber_list; \
- isize output_count, input_count, clobber_count; \
- }) \
- AST_NODE_KIND(PushAllocator, "push_allocator statement", struct { \
- Token token; \
- AstNode *expr; \
- AstNode *body; \
- }) \
- AST_NODE_KIND(PushContext, "push_context statement", struct { \
- Token token; \
- AstNode *expr; \
- AstNode *body; \
- }) \
-AST_NODE_KIND(_ComplexStmtEnd, "", i32) \
-AST_NODE_KIND(_StmtEnd, "", i32) \
-AST_NODE_KIND(_DeclBegin, "", i32) \
- AST_NODE_KIND(BadDecl, "bad declaration", struct { Token begin, end; }) \
- AST_NODE_KIND(ValueDecl, "value declaration", struct { \
- bool is_var; \
- AstNodeArray names; \
- AstNode * type; \
- AstNodeArray values; \
- u32 flags; \
- }) \
- AST_NODE_KIND(ImportDecl, "import declaration", struct { \
- Token token; \
- bool is_import; \
- Token relpath; \
- String fullpath; \
- Token import_name; \
- AstNode *cond; \
- AstNode *note; \
- }) \
- AST_NODE_KIND(ForeignLibrary, "foreign library", struct { \
- Token token, filepath; \
- Token library_name; \
- String base_dir; \
- AstNode *cond; \
- bool is_system; \
- }) \
- AST_NODE_KIND(Label, "label", struct { \
- Token token; \
- AstNode *name; \
- }) \
-AST_NODE_KIND(_DeclEnd, "", i32) \
- AST_NODE_KIND(Field, "field", struct { \
- AstNodeArray names; \
- AstNode * type; \
- u32 flags; \
- }) \
- AST_NODE_KIND(FieldList, "field list", struct { \
- Token token; \
- AstNodeArray list; \
- }) \
- AST_NODE_KIND(UnionField, "union field", struct { \
- AstNode *name; \
- AstNode *list; \
- }) \
-AST_NODE_KIND(_TypeBegin, "", i32) \
- AST_NODE_KIND(HelperType, "type", struct { \
- Token token; \
- AstNode *type; \
- }) \
- AST_NODE_KIND(ProcType, "procedure type", struct { \
- Token token; \
- AstNode *params; \
- AstNode *results; \
- u64 tags; \
- ProcCallingConvention calling_convention; \
- }) \
- AST_NODE_KIND(PointerType, "pointer type", struct { \
- Token token; \
- AstNode *type; \
- }) \
- AST_NODE_KIND(AtomicType, "atomic type", struct { \
- Token token; \
- AstNode *type; \
- }) \
- AST_NODE_KIND(ArrayType, "array type", struct { \
- Token token; \
- AstNode *count; \
- AstNode *elem; \
- }) \
- AST_NODE_KIND(DynamicArrayType, "dynamic array type", struct { \
- Token token; \
- AstNode *elem; \
- }) \
- AST_NODE_KIND(VectorType, "vector type", struct { \
- Token token; \
- AstNode *count; \
- AstNode *elem; \
- }) \
- AST_NODE_KIND(StructType, "struct type", struct { \
- Token token; \
- AstNodeArray fields; \
- isize field_count; \
- bool is_packed; \
- bool is_ordered; \
- AstNode *align; \
- }) \
- AST_NODE_KIND(UnionType, "union type", struct { \
- Token token; \
- AstNodeArray fields; \
- isize field_count; \
- AstNodeArray variants; \
- }) \
- AST_NODE_KIND(RawUnionType, "raw union type", struct { \
- Token token; \
- AstNodeArray fields; \
- isize field_count; \
- }) \
- AST_NODE_KIND(EnumType, "enum type", struct { \
- Token token; \
- AstNode *base_type; \
- AstNodeArray fields; /* FieldValue */ \
- }) \
- AST_NODE_KIND(BitFieldType, "bit field type", struct { \
- Token token; \
- AstNodeArray fields; /* FieldValue with : */ \
- AstNode *align; \
- }) \
- AST_NODE_KIND(MapType, "map type", struct { \
- Token token; \
- AstNode *count; \
- AstNode *key; \
- AstNode *value; \
- }) \
-AST_NODE_KIND(_TypeEnd, "", i32)
-
-typedef enum AstNodeKind {
- AstNode_Invalid,
-#define AST_NODE_KIND(_kind_name_, ...) GB_JOIN2(AstNode_, _kind_name_),
- AST_NODE_KINDS
-#undef AST_NODE_KIND
- AstNode_Count,
-} AstNodeKind;
-
-String const ast_node_strings[] = {
- {cast(u8 *)"invalid node", gb_size_of("invalid node")},
-#define AST_NODE_KIND(_kind_name_, name, ...) {cast(u8 *)name, gb_size_of(name)-1},
- AST_NODE_KINDS
-#undef AST_NODE_KIND
-};
-
-#define AST_NODE_KIND(_kind_name_, name, ...) typedef __VA_ARGS__ GB_JOIN2(AstNode, _kind_name_);
- AST_NODE_KINDS
-#undef AST_NODE_KIND
-
-typedef struct AstNode {
- AstNodeKind kind;
- u32 stmt_state_flags;
- union {
-#define AST_NODE_KIND(_kind_name_, name, ...) GB_JOIN2(AstNode, _kind_name_) _kind_name_;
- AST_NODE_KINDS
-#undef AST_NODE_KIND
- };
-} AstNode;
-
-
-#define ast_node(n_, Kind_, node_) GB_JOIN2(AstNode, Kind_) *n_ = &(node_)->Kind_; GB_ASSERT((node_)->kind == GB_JOIN2(AstNode_, Kind_))
-#define case_ast_node(n_, Kind_, node_) case GB_JOIN2(AstNode_, Kind_): { ast_node(n_, Kind_, node_);
-#ifndef case_end
-#define case_end } break;
-#endif
-
-
-gb_inline bool is_ast_node_expr(AstNode *node) {
- return gb_is_between(node->kind, AstNode__ExprBegin+1, AstNode__ExprEnd-1);
-}
-gb_inline bool is_ast_node_stmt(AstNode *node) {
- return gb_is_between(node->kind, AstNode__StmtBegin+1, AstNode__StmtEnd-1);
-}
-gb_inline bool is_ast_node_complex_stmt(AstNode *node) {
- return gb_is_between(node->kind, AstNode__ComplexStmtBegin+1, AstNode__ComplexStmtEnd-1);
-}
-gb_inline bool is_ast_node_decl(AstNode *node) {
- return gb_is_between(node->kind, AstNode__DeclBegin+1, AstNode__DeclEnd-1);
-}
-gb_inline bool is_ast_node_type(AstNode *node) {
- return gb_is_between(node->kind, AstNode__TypeBegin+1, AstNode__TypeEnd-1);
-}
-gb_inline bool is_ast_node_when_stmt(AstNode *node) {
- return node->kind == AstNode_WhenStmt;
-}
-
-
-Token ast_node_token(AstNode *node) {
- switch (node->kind) {
- case AstNode_Ident: return node->Ident;
- case AstNode_Implicit: return node->Implicit;
- case AstNode_BasicLit: return node->BasicLit;
- case AstNode_BasicDirective: return node->BasicDirective.token;
- case AstNode_ProcLit: return ast_node_token(node->ProcLit.type);
- case AstNode_CompoundLit:
- if (node->CompoundLit.type != NULL) {
- return ast_node_token(node->CompoundLit.type);
- }
- return node->CompoundLit.open;
- case AstNode_Alias: return node->Alias.token;
-
- case AstNode_TagExpr: return node->TagExpr.token;
- case AstNode_RunExpr: return node->RunExpr.token;
- case AstNode_BadExpr: return node->BadExpr.begin;
- case AstNode_UnaryExpr: return node->UnaryExpr.op;
- case AstNode_BinaryExpr: return ast_node_token(node->BinaryExpr.left);
- case AstNode_ParenExpr: return node->ParenExpr.open;
- case AstNode_CallExpr: return ast_node_token(node->CallExpr.proc);
- case AstNode_MacroCallExpr: return ast_node_token(node->MacroCallExpr.macro);
- case AstNode_SelectorExpr:
- if (node->SelectorExpr.selector != NULL) {
- return ast_node_token(node->SelectorExpr.selector);
- }
- return node->SelectorExpr.token;
- case AstNode_IndexExpr: return node->IndexExpr.open;
- case AstNode_SliceExpr: return node->SliceExpr.open;
- case AstNode_Ellipsis: return node->Ellipsis.token;
- case AstNode_FieldValue: return node->FieldValue.eq;
- case AstNode_DerefExpr: return node->DerefExpr.op;
- case AstNode_TernaryExpr: return ast_node_token(node->TernaryExpr.cond);
- case AstNode_TypeAssertion: return ast_node_token(node->TypeAssertion.expr);
-
- case AstNode_BadStmt: return node->BadStmt.begin;
- case AstNode_EmptyStmt: return node->EmptyStmt.token;
- case AstNode_ExprStmt: return ast_node_token(node->ExprStmt.expr);
- case AstNode_TagStmt: return node->TagStmt.token;
- case AstNode_AssignStmt: return node->AssignStmt.op;
- case AstNode_IncDecStmt: return ast_node_token(node->IncDecStmt.expr);
- case AstNode_BlockStmt: return node->BlockStmt.open;
- case AstNode_IfStmt: return node->IfStmt.token;
- case AstNode_WhenStmt: return node->WhenStmt.token;
- case AstNode_ReturnStmt: return node->ReturnStmt.token;
- case AstNode_ForStmt: return node->ForStmt.token;
- case AstNode_RangeStmt: return node->RangeStmt.token;
- case AstNode_CaseClause: return node->CaseClause.token;
- case AstNode_MatchStmt: return node->MatchStmt.token;
- case AstNode_TypeMatchStmt: return node->TypeMatchStmt.token;
- case AstNode_DeferStmt: return node->DeferStmt.token;
- case AstNode_BranchStmt: return node->BranchStmt.token;
- case AstNode_UsingStmt: return node->UsingStmt.token;
- case AstNode_AsmStmt: return node->AsmStmt.token;
- case AstNode_PushAllocator: return node->PushAllocator.token;
- case AstNode_PushContext: return node->PushContext.token;
-
- case AstNode_BadDecl: return node->BadDecl.begin;
- case AstNode_ValueDecl: return ast_node_token(node->ValueDecl.names.e[0]);
- case AstNode_ImportDecl: return node->ImportDecl.token;
- case AstNode_ForeignLibrary: return node->ForeignLibrary.token;
- case AstNode_Label: return node->Label.token;
-
-
- case AstNode_Field:
- if (node->Field.names.count > 0) {
- return ast_node_token(node->Field.names.e[0]);
- }
- return ast_node_token(node->Field.type);
- case AstNode_FieldList:
- return node->FieldList.token;
- case AstNode_UnionField:
- return ast_node_token(node->UnionField.name);
-
- case AstNode_HelperType: return node->HelperType.token;
- case AstNode_ProcType: return node->ProcType.token;
- case AstNode_PointerType: return node->PointerType.token;
- case AstNode_AtomicType: return node->AtomicType.token;
- case AstNode_ArrayType: return node->ArrayType.token;
- case AstNode_DynamicArrayType: return node->DynamicArrayType.token;
- case AstNode_VectorType: return node->VectorType.token;
- case AstNode_StructType: return node->StructType.token;
- case AstNode_UnionType: return node->UnionType.token;
- case AstNode_RawUnionType: return node->RawUnionType.token;
- case AstNode_EnumType: return node->EnumType.token;
- case AstNode_BitFieldType: return node->BitFieldType.token;
- case AstNode_MapType: return node->MapType.token;
- }
-
- return empty_token;
-}
-
-AstNode *clone_ast_node(gbAllocator a, AstNode *node);
-AstNodeArray clone_ast_node_array(gbAllocator a, AstNodeArray array) {
- AstNodeArray result = {0};
- if (array.count > 0) {
- array_init_count(&result, a, array.count);
- for_array(i, array) {
- result.e[i] = clone_ast_node(a, array.e[i]);
- }
- }
- return result;
-}
-
-AstNode *clone_ast_node(gbAllocator a, AstNode *node) {
- if (node == NULL) {
- return NULL;
- }
- AstNode *n = gb_alloc_item(a, AstNode);
- gb_memmove(n, node, gb_size_of(AstNode));
-
- switch (n->kind) {
- case AstNode_Ident: break;
- case AstNode_Implicit: break;
- case AstNode_BasicLit: break;
- case AstNode_BasicDirective: break;
- case AstNode_Ellipsis:
- n->Ellipsis.expr = clone_ast_node(a, n->Ellipsis.expr);
- break;
- case AstNode_ProcLit:
- n->ProcLit.type = clone_ast_node(a, n->ProcLit.type);
- n->ProcLit.body = clone_ast_node(a, n->ProcLit.body);
- n->ProcLit.foreign_library = clone_ast_node(a, n->ProcLit.foreign_library);
- break;
- case AstNode_CompoundLit:
- n->CompoundLit.type = clone_ast_node(a, n->CompoundLit.type);
- n->CompoundLit.elems = clone_ast_node_array(a, n->CompoundLit.elems);
- break;
- case AstNode_Alias:
- n->Alias.expr = clone_ast_node(a, n->Alias.expr);
- break;
-
- case AstNode_BadExpr: break;
- case AstNode_TagExpr:
- n->TagExpr.expr = clone_ast_node(a, n->TagExpr.expr);
- break;
- case AstNode_RunExpr:
- n->RunExpr.expr = clone_ast_node(a, n->RunExpr.expr);
- break;
- case AstNode_UnaryExpr:
- n->RunExpr.expr = clone_ast_node(a, n->RunExpr.expr);
- break;
- case AstNode_BinaryExpr:
- n->BinaryExpr.left = clone_ast_node(a, n->BinaryExpr.left);
- n->BinaryExpr.right = clone_ast_node(a, n->BinaryExpr.right);
- break;
- case AstNode_ParenExpr:
- n->ParenExpr.expr = clone_ast_node(a, n->ParenExpr.expr);
- break;
- case AstNode_SelectorExpr:
- n->SelectorExpr.expr = clone_ast_node(a, n->SelectorExpr.expr);
- n->SelectorExpr.selector = clone_ast_node(a, n->SelectorExpr.selector);
- break;
- case AstNode_IndexExpr:
- n->IndexExpr.expr = clone_ast_node(a, n->IndexExpr.expr);
- n->IndexExpr.index = clone_ast_node(a, n->IndexExpr.index);
- break;
- case AstNode_DerefExpr:
- n->DerefExpr.expr = clone_ast_node(a, n->DerefExpr.expr);
- break;
- case AstNode_SliceExpr:
- n->SliceExpr.expr = clone_ast_node(a, n->SliceExpr.expr);
- n->SliceExpr.low = clone_ast_node(a, n->SliceExpr.low);
- n->SliceExpr.high = clone_ast_node(a, n->SliceExpr.high);
- n->SliceExpr.max = clone_ast_node(a, n->SliceExpr.max);
- break;
- case AstNode_CallExpr:
- n->CallExpr.proc = clone_ast_node(a, n->CallExpr.proc);
- n->CallExpr.args = clone_ast_node_array(a, n->CallExpr.args);
- break;
- case AstNode_MacroCallExpr:
- n->MacroCallExpr.macro = clone_ast_node(a, n->MacroCallExpr.macro);
- n->MacroCallExpr.args = clone_ast_node_array(a, n->MacroCallExpr.args);
- break;
-
- case AstNode_FieldValue:
- n->FieldValue.field = clone_ast_node(a, n->FieldValue.field);
- n->FieldValue.value = clone_ast_node(a, n->FieldValue.value);
- break;
-
- case AstNode_TernaryExpr:
- n->TernaryExpr.cond = clone_ast_node(a, n->TernaryExpr.cond);
- n->TernaryExpr.x = clone_ast_node(a, n->TernaryExpr.x);
- n->TernaryExpr.y = clone_ast_node(a, n->TernaryExpr.cond);
- break;
- case AstNode_TypeAssertion:
- n->TypeAssertion.expr = clone_ast_node(a, n->TypeAssertion.expr);
- n->TypeAssertion.type = clone_ast_node(a, n->TypeAssertion.type);
- break;
-
- case AstNode_BadStmt: break;
- case AstNode_EmptyStmt: break;
- case AstNode_ExprStmt:
- n->ExprStmt.expr = clone_ast_node(a, n->ExprStmt.expr);
- break;
- case AstNode_TagStmt:
- n->TagStmt.stmt = clone_ast_node(a, n->TagStmt.stmt);
- break;
- case AstNode_AssignStmt:
- n->AssignStmt.lhs = clone_ast_node_array(a, n->AssignStmt.lhs);
- n->AssignStmt.rhs = clone_ast_node_array(a, n->AssignStmt.rhs);
- break;
- case AstNode_IncDecStmt:
- n->IncDecStmt.expr = clone_ast_node(a, n->IncDecStmt.expr);
- break;
- case AstNode_BlockStmt:
- n->BlockStmt.stmts = clone_ast_node_array(a, n->BlockStmt.stmts);
- break;
- case AstNode_IfStmt:
- n->IfStmt.init = clone_ast_node(a, n->IfStmt.init);
- n->IfStmt.cond = clone_ast_node(a, n->IfStmt.cond);
- n->IfStmt.body = clone_ast_node(a, n->IfStmt.body);
- n->IfStmt.else_stmt = clone_ast_node(a, n->IfStmt.else_stmt);
- break;
- case AstNode_WhenStmt:
- n->WhenStmt.cond = clone_ast_node(a, n->WhenStmt.cond);
- n->WhenStmt.body = clone_ast_node(a, n->WhenStmt.body);
- n->WhenStmt.else_stmt = clone_ast_node(a, n->WhenStmt.else_stmt);
- break;
- case AstNode_ReturnStmt:
- n->ReturnStmt.results = clone_ast_node_array(a, n->ReturnStmt.results);
- break;
- case AstNode_ForStmt:
- n->ForStmt.label = clone_ast_node(a, n->ForStmt.label);
- n->ForStmt.init = clone_ast_node(a, n->ForStmt.init);
- n->ForStmt.cond = clone_ast_node(a, n->ForStmt.cond);
- n->ForStmt.post = clone_ast_node(a, n->ForStmt.post);
- n->ForStmt.body = clone_ast_node(a, n->ForStmt.body);
- break;
- case AstNode_RangeStmt:
- n->RangeStmt.label = clone_ast_node(a, n->RangeStmt.label);
- n->RangeStmt.value = clone_ast_node(a, n->RangeStmt.value);
- n->RangeStmt.index = clone_ast_node(a, n->RangeStmt.index);
- n->RangeStmt.expr = clone_ast_node(a, n->RangeStmt.expr);
- n->RangeStmt.body = clone_ast_node(a, n->RangeStmt.body);
- break;
- case AstNode_CaseClause:
- n->CaseClause.list = clone_ast_node_array(a, n->CaseClause.list);
- n->CaseClause.stmts = clone_ast_node_array(a, n->CaseClause.stmts);
- break;
- case AstNode_MatchStmt:
- n->MatchStmt.label = clone_ast_node(a, n->MatchStmt.label);
- n->MatchStmt.init = clone_ast_node(a, n->MatchStmt.init);
- n->MatchStmt.tag = clone_ast_node(a, n->MatchStmt.tag);
- n->MatchStmt.body = clone_ast_node(a, n->MatchStmt.body);
- break;
- case AstNode_TypeMatchStmt:
- n->TypeMatchStmt.label = clone_ast_node(a, n->TypeMatchStmt.label);
- n->TypeMatchStmt.tag = clone_ast_node(a, n->TypeMatchStmt.tag);
- n->TypeMatchStmt.body = clone_ast_node(a, n->TypeMatchStmt.body);
- break;
- case AstNode_DeferStmt:
- n->DeferStmt.stmt = clone_ast_node(a, n->DeferStmt.stmt);
- break;
- case AstNode_BranchStmt:
- n->BranchStmt.label = clone_ast_node(a, n->BranchStmt.label);
- break;
- case AstNode_UsingStmt:
- n->UsingStmt.list = clone_ast_node_array(a, n->UsingStmt.list);
- break;
- case AstNode_AsmOperand:
- n->AsmOperand.operand = clone_ast_node(a, n->AsmOperand.operand);
- break;
- case AstNode_AsmStmt:
- n->AsmStmt.output_list = clone_ast_node(a, n->AsmStmt.output_list);
- n->AsmStmt.input_list = clone_ast_node(a, n->AsmStmt.input_list);
- n->AsmStmt.clobber_list = clone_ast_node(a, n->AsmStmt.clobber_list);
- break;
- case AstNode_PushAllocator:
- n->PushAllocator.expr = clone_ast_node(a, n->PushAllocator.expr);
- n->PushAllocator.body = clone_ast_node(a, n->PushAllocator.body);
- break;
- case AstNode_PushContext:
- n->PushContext.expr = clone_ast_node(a, n->PushContext.expr);
- n->PushContext.body = clone_ast_node(a, n->PushContext.body);
- break;
-
- case AstNode_BadDecl: break;
- case AstNode_ValueDecl:
- n->ValueDecl.names = clone_ast_node_array(a, n->ValueDecl.names);
- n->ValueDecl.type = clone_ast_node(a, n->ValueDecl.type);
- n->ValueDecl.values = clone_ast_node_array(a, n->ValueDecl.values);
- break;
- case AstNode_ImportDecl:
- n->ImportDecl.cond = clone_ast_node(a, n->ImportDecl.cond);
- n->ImportDecl.note = clone_ast_node(a, n->ImportDecl.note);
- break;
- case AstNode_ForeignLibrary:
- n->ForeignLibrary.cond = clone_ast_node(a, n->ForeignLibrary.cond);
- break;
- case AstNode_Label:
- n->Label.name = clone_ast_node(a, n->Label.name);
- break;
-
-
- case AstNode_Field:
- n->Field.names = clone_ast_node_array(a, n->Field.names);
- n->Field.type = clone_ast_node(a, n->Field.type);
- break;
- case AstNode_FieldList:
- n->FieldList.list = clone_ast_node_array(a, n->FieldList.list);
- break;
- case AstNode_UnionField:
- n->UnionField.name = clone_ast_node(a, n->UnionField.name);
- n->UnionField.list = clone_ast_node(a, n->UnionField.list);
- break;
-
- case AstNode_HelperType:
- n->HelperType.type = clone_ast_node(a, n->HelperType.type);
- break;
- case AstNode_ProcType:
- break;
- case AstNode_PointerType:
- n->PointerType.type = clone_ast_node(a, n->PointerType.type);
- break;
- case AstNode_AtomicType:
- n->AtomicType.type = clone_ast_node(a, n->AtomicType.type);
- break;
- case AstNode_ArrayType:
- n->ArrayType.count = clone_ast_node(a, n->ArrayType.count);
- n->ArrayType.elem = clone_ast_node(a, n->ArrayType.elem);
- break;
- case AstNode_DynamicArrayType:
- n->DynamicArrayType.elem = clone_ast_node(a, n->DynamicArrayType.elem);
- break;
- case AstNode_VectorType:
- n->VectorType.count = clone_ast_node(a, n->VectorType.count);
- n->VectorType.elem = clone_ast_node(a, n->VectorType.elem);
- break;
- case AstNode_StructType:
- n->StructType.fields = clone_ast_node_array(a, n->StructType.fields);
- break;
- case AstNode_UnionType:
- n->UnionType.fields = clone_ast_node_array(a, n->UnionType.fields);
- n->UnionType.variants = clone_ast_node_array(a, n->UnionType.variants);
- break;
- case AstNode_RawUnionType:
- n->RawUnionType.fields = clone_ast_node_array(a, n->RawUnionType.fields);
- break;
- case AstNode_EnumType:
- n->EnumType.base_type = clone_ast_node(a, n->EnumType.base_type);
- n->EnumType.fields = clone_ast_node_array(a, n->EnumType.fields);
- break;
- case AstNode_BitFieldType:
- n->BitFieldType.fields = clone_ast_node_array(a, n->BitFieldType.fields);
- n->BitFieldType.align = clone_ast_node(a, n->BitFieldType.align);
- case AstNode_MapType:
- n->MapType.count = clone_ast_node(a, n->MapType.count);
- n->MapType.key = clone_ast_node(a, n->MapType.key);
- n->MapType.value = clone_ast_node(a, n->MapType.value);
- break;
- }
-
- return n;
-}
-
-
-void error_node(AstNode *node, char *fmt, ...) {
- va_list va;
- va_start(va, fmt);
- error_va(ast_node_token(node), fmt, va);
- va_end(va);
-}
-
-void warning_node(AstNode *node, char *fmt, ...) {
- va_list va;
- va_start(va, fmt);
- warning_va(ast_node_token(node), fmt, va);
- va_end(va);
-}
-
-void syntax_error_node(AstNode *node, char *fmt, ...) {
- va_list va;
- va_start(va, fmt);
- syntax_error_va(ast_node_token(node), fmt, va);
- va_end(va);
-}
-
-
-bool ast_node_expect(AstNode *node, AstNodeKind kind) {
- if (node->kind != kind) {
- error_node(node, "Expected %.*s, got %.*s", LIT(ast_node_strings[node->kind]));
- return false;
- }
- return true;
-}
-
-
-// NOTE(bill): And this below is why is I/we need a new language! Discriminated unions are a pain in C/C++
-AstNode *make_ast_node(AstFile *f, AstNodeKind kind) {
- gbArena *arena = &f->arena;
- if (gb_arena_size_remaining(arena, GB_DEFAULT_MEMORY_ALIGNMENT) <= gb_size_of(AstNode)) {
- // NOTE(bill): If a syntax error is so bad, just quit!
- gb_exit(1);
- }
- AstNode *node = gb_alloc_item(gb_arena_allocator(arena), AstNode);
- node->kind = kind;
- return node;
-}
-
-AstNode *ast_bad_expr(AstFile *f, Token begin, Token end) {
- AstNode *result = make_ast_node(f, AstNode_BadExpr);
- result->BadExpr.begin = begin;
- result->BadExpr.end = end;
- return result;
-}
-
-AstNode *ast_tag_expr(AstFile *f, Token token, Token name, AstNode *expr) {
- AstNode *result = make_ast_node(f, AstNode_TagExpr);
- result->TagExpr.token = token;
- result->TagExpr.name = name;
- result->TagExpr.expr = expr;
- return result;
-}
-
-AstNode *ast_run_expr(AstFile *f, Token token, Token name, AstNode *expr) {
- AstNode *result = make_ast_node(f, AstNode_RunExpr);
- result->RunExpr.token = token;
- result->RunExpr.name = name;
- result->RunExpr.expr = expr;
- return result;
-}
-
-
-AstNode *ast_tag_stmt(AstFile *f, Token token, Token name, AstNode *stmt) {
- AstNode *result = make_ast_node(f, AstNode_TagStmt);
- result->TagStmt.token = token;
- result->TagStmt.name = name;
- result->TagStmt.stmt = stmt;
- return result;
-}
-
-AstNode *ast_unary_expr(AstFile *f, Token op, AstNode *expr) {
- AstNode *result = make_ast_node(f, AstNode_UnaryExpr);
- result->UnaryExpr.op = op;
- result->UnaryExpr.expr = expr;
- return result;
-}
-
-AstNode *ast_binary_expr(AstFile *f, Token op, AstNode *left, AstNode *right) {
- AstNode *result = make_ast_node(f, AstNode_BinaryExpr);
-
- if (left == NULL) {
- syntax_error(op, "No lhs expression for binary expression `%.*s`", LIT(op.string));
- left = ast_bad_expr(f, op, op);
- }
- if (right == NULL) {
- syntax_error(op, "No rhs expression for binary expression `%.*s`", LIT(op.string));
- right = ast_bad_expr(f, op, op);
- }
-
- result->BinaryExpr.op = op;
- result->BinaryExpr.left = left;
- result->BinaryExpr.right = right;
-
- return result;
-}
-
-AstNode *ast_paren_expr(AstFile *f, AstNode *expr, Token open, Token close) {
- AstNode *result = make_ast_node(f, AstNode_ParenExpr);
- result->ParenExpr.expr = expr;
- result->ParenExpr.open = open;
- result->ParenExpr.close = close;
- return result;
-}
-
-AstNode *ast_call_expr(AstFile *f, AstNode *proc, AstNodeArray args, Token open, Token close, Token ellipsis) {
- AstNode *result = make_ast_node(f, AstNode_CallExpr);
- result->CallExpr.proc = proc;
- result->CallExpr.args = args;
- result->CallExpr.open = open;
- result->CallExpr.close = close;
- result->CallExpr.ellipsis = ellipsis;
- return result;
-}
-
-AstNode *ast_macro_call_expr(AstFile *f, AstNode *macro, Token bang, AstNodeArray args, Token open, Token close) {
- AstNode *result = make_ast_node(f, AstNode_MacroCallExpr);
- result->MacroCallExpr.macro = macro;
- result->MacroCallExpr.bang = bang;
- result->MacroCallExpr.args = args;
- result->MacroCallExpr.open = open;
- result->MacroCallExpr.close = close;
- return result;
-}
-
-
-AstNode *ast_selector_expr(AstFile *f, Token token, AstNode *expr, AstNode *selector) {
- AstNode *result = make_ast_node(f, AstNode_SelectorExpr);
- result->SelectorExpr.expr = expr;
- result->SelectorExpr.selector = selector;
- return result;
-}
-
-AstNode *ast_index_expr(AstFile *f, AstNode *expr, AstNode *index, Token open, Token close) {
- AstNode *result = make_ast_node(f, AstNode_IndexExpr);
- result->IndexExpr.expr = expr;
- result->IndexExpr.index = index;
- result->IndexExpr.open = open;
- result->IndexExpr.close = close;
- return result;
-}
-
-
-AstNode *ast_slice_expr(AstFile *f, AstNode *expr, Token open, Token close, Token interval0, Token interval1, bool index3, AstNode *low, AstNode *high, AstNode *max) {
- AstNode *result = make_ast_node(f, AstNode_SliceExpr);
- result->SliceExpr.expr = expr;
- result->SliceExpr.open = open;
- result->SliceExpr.close = close;
- result->SliceExpr.interval0 = interval0;
- result->SliceExpr.interval1 = interval1;
- result->SliceExpr.index3 = index3;
- result->SliceExpr.low = low;
- result->SliceExpr.high = high;
- result->SliceExpr.max = max;
- return result;
-}
-
-AstNode *ast_deref_expr(AstFile *f, AstNode *expr, Token op) {
- AstNode *result = make_ast_node(f, AstNode_DerefExpr);
- result->DerefExpr.expr = expr;
- result->DerefExpr.op = op;
- return result;
-}
-
-
-
-
-AstNode *ast_ident(AstFile *f, Token token) {
- AstNode *result = make_ast_node(f, AstNode_Ident);
- result->Ident = token;
- return result;
-}
-
-AstNode *ast_implicit(AstFile *f, Token token) {
- AstNode *result = make_ast_node(f, AstNode_Implicit);
- result->Implicit = token;
- return result;
-}
-
-
-AstNode *ast_basic_lit(AstFile *f, Token basic_lit) {
- AstNode *result = make_ast_node(f, AstNode_BasicLit);
- result->BasicLit = basic_lit;
- return result;
-}
-
-AstNode *ast_basic_directive(AstFile *f, Token token, String name) {
- AstNode *result = make_ast_node(f, AstNode_BasicDirective);
- result->BasicDirective.token = token;
- result->BasicDirective.name = name;
- return result;
-}
-
-AstNode *ast_ellipsis(AstFile *f, Token token, AstNode *expr) {
- AstNode *result = make_ast_node(f, AstNode_Ellipsis);
- result->Ellipsis.token = token;
- result->Ellipsis.expr = expr;
- return result;
-}
-
-
-AstNode *ast_proc_lit(AstFile *f, AstNode *type, AstNode *body, u64 tags, AstNode *foreign_library, String foreign_name, String link_name) {
- AstNode *result = make_ast_node(f, AstNode_ProcLit);
- result->ProcLit.type = type;
- result->ProcLit.body = body;
- result->ProcLit.tags = tags;
- result->ProcLit.foreign_library = foreign_library;
- result->ProcLit.foreign_name = foreign_name;
- result->ProcLit.link_name = link_name;
- return result;
-}
-
-AstNode *ast_field_value(AstFile *f, AstNode *field, AstNode *value, Token eq) {
- AstNode *result = make_ast_node(f, AstNode_FieldValue);
- result->FieldValue.field = field;
- result->FieldValue.value = value;
- result->FieldValue.eq = eq;
- return result;
-}
-
-AstNode *ast_compound_lit(AstFile *f, AstNode *type, AstNodeArray elems, Token open, Token close) {
- AstNode *result = make_ast_node(f, AstNode_CompoundLit);
- result->CompoundLit.type = type;
- result->CompoundLit.elems = elems;
- result->CompoundLit.open = open;
- result->CompoundLit.close = close;
- return result;
-}
-AstNode *ast_alias(AstFile *f, Token token, AstNode *expr) {
- AstNode *result = make_ast_node(f, AstNode_Alias);
- result->Alias.token = token;
- result->Alias.expr = expr;
- return result;
-}
-
-
-AstNode *ast_ternary_expr(AstFile *f, AstNode *cond, AstNode *x, AstNode *y) {
- AstNode *result = make_ast_node(f, AstNode_TernaryExpr);
- result->TernaryExpr.cond = cond;
- result->TernaryExpr.x = x;
- result->TernaryExpr.y = y;
- return result;
-}
-AstNode *ast_type_assertion(AstFile *f, AstNode *expr, Token dot, AstNode *type) {
- AstNode *result = make_ast_node(f, AstNode_TypeAssertion);
- result->TypeAssertion.expr = expr;
- result->TypeAssertion.dot = dot;
- result->TypeAssertion.type = type;
- return result;
-}
-
-
-
-
-AstNode *ast_bad_stmt(AstFile *f, Token begin, Token end) {
- AstNode *result = make_ast_node(f, AstNode_BadStmt);
- result->BadStmt.begin = begin;
- result->BadStmt.end = end;
- return result;
-}
-
-AstNode *ast_empty_stmt(AstFile *f, Token token) {
- AstNode *result = make_ast_node(f, AstNode_EmptyStmt);
- result->EmptyStmt.token = token;
- return result;
-}
-
-AstNode *ast_expr_stmt(AstFile *f, AstNode *expr) {
- AstNode *result = make_ast_node(f, AstNode_ExprStmt);
- result->ExprStmt.expr = expr;
- return result;
-}
-
-AstNode *ast_assign_stmt(AstFile *f, Token op, AstNodeArray lhs, AstNodeArray rhs) {
- AstNode *result = make_ast_node(f, AstNode_AssignStmt);
- result->AssignStmt.op = op;
- result->AssignStmt.lhs = lhs;
- result->AssignStmt.rhs = rhs;
- return result;
-}
-
-
-AstNode *ast_inc_dec_stmt(AstFile *f, Token op, AstNode *expr) {
- AstNode *result = make_ast_node(f, AstNode_IncDecStmt);
- result->IncDecStmt.op = op;
- result->IncDecStmt.expr = expr;
- return result;
-}
-
-
-
-AstNode *ast_block_stmt(AstFile *f, AstNodeArray stmts, Token open, Token close) {
- AstNode *result = make_ast_node(f, AstNode_BlockStmt);
- result->BlockStmt.stmts = stmts;
- result->BlockStmt.open = open;
- result->BlockStmt.close = close;
- return result;
-}
-
-AstNode *ast_if_stmt(AstFile *f, Token token, AstNode *init, AstNode *cond, AstNode *body, AstNode *else_stmt) {
- AstNode *result = make_ast_node(f, AstNode_IfStmt);
- result->IfStmt.token = token;
- result->IfStmt.init = init;
- result->IfStmt.cond = cond;
- result->IfStmt.body = body;
- result->IfStmt.else_stmt = else_stmt;
- return result;
-}
-
-AstNode *ast_when_stmt(AstFile *f, Token token, AstNode *cond, AstNode *body, AstNode *else_stmt) {
- AstNode *result = make_ast_node(f, AstNode_WhenStmt);
- result->WhenStmt.token = token;
- result->WhenStmt.cond = cond;
- result->WhenStmt.body = body;
- result->WhenStmt.else_stmt = else_stmt;
- return result;
-}
-
-
-AstNode *ast_return_stmt(AstFile *f, Token token, AstNodeArray results) {
- AstNode *result = make_ast_node(f, AstNode_ReturnStmt);
- result->ReturnStmt.token = token;
- result->ReturnStmt.results = results;
- return result;
-}
-
-
-AstNode *ast_for_stmt(AstFile *f, Token token, AstNode *init, AstNode *cond, AstNode *post, AstNode *body) {
- AstNode *result = make_ast_node(f, AstNode_ForStmt);
- result->ForStmt.token = token;
- result->ForStmt.init = init;
- result->ForStmt.cond = cond;
- result->ForStmt.post = post;
- result->ForStmt.body = body;
- return result;
-}
-
-AstNode *ast_range_stmt(AstFile *f, Token token, AstNode *value, AstNode *index, Token in_token, AstNode *expr, AstNode *body) {
- AstNode *result = make_ast_node(f, AstNode_RangeStmt);
- result->RangeStmt.token = token;
- result->RangeStmt.value = value;
- result->RangeStmt.index = index;
- result->RangeStmt.in_token = in_token;
- result->RangeStmt.expr = expr;
- result->RangeStmt.body = body;
- return result;
-}
-
-AstNode *ast_match_stmt(AstFile *f, Token token, AstNode *init, AstNode *tag, AstNode *body) {
- AstNode *result = make_ast_node(f, AstNode_MatchStmt);
- result->MatchStmt.token = token;
- result->MatchStmt.init = init;
- result->MatchStmt.tag = tag;
- result->MatchStmt.body = body;
- return result;
-}
-
-
-AstNode *ast_type_match_stmt(AstFile *f, Token token, AstNode *tag, AstNode *body) {
- AstNode *result = make_ast_node(f, AstNode_TypeMatchStmt);
- result->TypeMatchStmt.token = token;
- result->TypeMatchStmt.tag = tag;
- result->TypeMatchStmt.body = body;
- return result;
-}
-
-AstNode *ast_case_clause(AstFile *f, Token token, AstNodeArray list, AstNodeArray stmts) {
- AstNode *result = make_ast_node(f, AstNode_CaseClause);
- result->CaseClause.token = token;
- result->CaseClause.list = list;
- result->CaseClause.stmts = stmts;
- return result;
-}
-
-
-AstNode *ast_defer_stmt(AstFile *f, Token token, AstNode *stmt) {
- AstNode *result = make_ast_node(f, AstNode_DeferStmt);
- result->DeferStmt.token = token;
- result->DeferStmt.stmt = stmt;
- return result;
-}
-
-AstNode *ast_branch_stmt(AstFile *f, Token token, AstNode *label) {
- AstNode *result = make_ast_node(f, AstNode_BranchStmt);
- result->BranchStmt.token = token;
- result->BranchStmt.label = label;
- return result;
-}
-
-AstNode *ast_using_stmt(AstFile *f, Token token, AstNodeArray list) {
- AstNode *result = make_ast_node(f, AstNode_UsingStmt);
- result->UsingStmt.token = token;
- result->UsingStmt.list = list;
- return result;
-}
-
-
-AstNode *ast_asm_operand(AstFile *f, Token string, AstNode *operand) {
- AstNode *result = make_ast_node(f, AstNode_AsmOperand);
- result->AsmOperand.string = string;
- result->AsmOperand.operand = operand;
- return result;
-
-}
-
-AstNode *ast_asm_stmt(AstFile *f, Token token, bool is_volatile, Token open, Token close, Token code_string,
- AstNode *output_list, AstNode *input_list, AstNode *clobber_list,
- isize output_count, isize input_count, isize clobber_count) {
- AstNode *result = make_ast_node(f, AstNode_AsmStmt);
- result->AsmStmt.token = token;
- result->AsmStmt.is_volatile = is_volatile;
- result->AsmStmt.open = open;
- result->AsmStmt.close = close;
- result->AsmStmt.code_string = code_string;
- result->AsmStmt.output_list = output_list;
- result->AsmStmt.input_list = input_list;
- result->AsmStmt.clobber_list = clobber_list;
- result->AsmStmt.output_count = output_count;
- result->AsmStmt.input_count = input_count;
- result->AsmStmt.clobber_count = clobber_count;
- return result;
-}
-
-AstNode *ast_push_allocator(AstFile *f, Token token, AstNode *expr, AstNode *body) {
- AstNode *result = make_ast_node(f, AstNode_PushAllocator);
- result->PushAllocator.token = token;
- result->PushAllocator.expr = expr;
- result->PushAllocator.body = body;
- return result;
-}
-
-AstNode *ast_push_context(AstFile *f, Token token, AstNode *expr, AstNode *body) {
- AstNode *result = make_ast_node(f, AstNode_PushContext);
- result->PushContext.token = token;
- result->PushContext.expr = expr;
- result->PushContext.body = body;
- return result;
-}
-
-
-
-
-AstNode *ast_bad_decl(AstFile *f, Token begin, Token end) {
- AstNode *result = make_ast_node(f, AstNode_BadDecl);
- result->BadDecl.begin = begin;
- result->BadDecl.end = end;
- return result;
-}
-
-AstNode *ast_field(AstFile *f, AstNodeArray names, AstNode *type, u32 flags) {
- AstNode *result = make_ast_node(f, AstNode_Field);
- result->Field.names = names;
- result->Field.type = type;
- result->Field.flags = flags;
- return result;
-}
-
-AstNode *ast_field_list(AstFile *f, Token token, AstNodeArray list) {
- AstNode *result = make_ast_node(f, AstNode_FieldList);
- result->FieldList.token = token;
- result->FieldList.list = list;
- return result;
-}
-AstNode *ast_union_field(AstFile *f, AstNode *name, AstNode *list) {
- AstNode *result = make_ast_node(f, AstNode_UnionField);
- result->UnionField.name = name;
- result->UnionField.list = list;
- return result;
-}
-
-
-AstNode *ast_helper_type(AstFile *f, Token token, AstNode *type) {
- AstNode *result = make_ast_node(f, AstNode_HelperType);
- result->HelperType.token = token;
- result->HelperType.type = type;
- return result;
-}
-
-
-AstNode *ast_proc_type(AstFile *f, Token token, AstNode *params, AstNode *results, u64 tags, ProcCallingConvention calling_convention) {
- AstNode *result = make_ast_node(f, AstNode_ProcType);
- result->ProcType.token = token;
- result->ProcType.params = params;
- result->ProcType.results = results;
- result->ProcType.tags = tags;
- result->ProcType.calling_convention = calling_convention;
- return result;
-}
-
-AstNode *ast_pointer_type(AstFile *f, Token token, AstNode *type) {
- AstNode *result = make_ast_node(f, AstNode_PointerType);
- result->PointerType.token = token;
- result->PointerType.type = type;
- return result;
-}
-
-AstNode *ast_atomic_type(AstFile *f, Token token, AstNode *type) {
- AstNode *result = make_ast_node(f, AstNode_AtomicType);
- result->AtomicType.token = token;
- result->AtomicType.type = type;
- return result;
-}
-
-AstNode *ast_array_type(AstFile *f, Token token, AstNode *count, AstNode *elem) {
- AstNode *result = make_ast_node(f, AstNode_ArrayType);
- result->ArrayType.token = token;
- result->ArrayType.count = count;
- result->ArrayType.elem = elem;
- return result;
-}
-
-AstNode *ast_dynamic_array_type(AstFile *f, Token token, AstNode *elem) {
- AstNode *result = make_ast_node(f, AstNode_DynamicArrayType);
- result->DynamicArrayType.token = token;
- result->DynamicArrayType.elem = elem;
- return result;
-}
-
-AstNode *ast_vector_type(AstFile *f, Token token, AstNode *count, AstNode *elem) {
- AstNode *result = make_ast_node(f, AstNode_VectorType);
- result->VectorType.token = token;
- result->VectorType.count = count;
- result->VectorType.elem = elem;
- return result;
-}
-
-AstNode *ast_struct_type(AstFile *f, Token token, AstNodeArray fields, isize field_count,
- bool is_packed, bool is_ordered, AstNode *align) {
- AstNode *result = make_ast_node(f, AstNode_StructType);
- result->StructType.token = token;
- result->StructType.fields = fields;
- result->StructType.field_count = field_count;
- result->StructType.is_packed = is_packed;
- result->StructType.is_ordered = is_ordered;
- result->StructType.align = align;
- return result;
-}
-
-
-AstNode *ast_union_type(AstFile *f, Token token, AstNodeArray fields, isize field_count, AstNodeArray variants) {
- AstNode *result = make_ast_node(f, AstNode_UnionType);
- result->UnionType.token = token;
- result->UnionType.fields = fields;
- result->UnionType.field_count = field_count;
- result->UnionType.variants = variants;
- return result;
-}
-
-AstNode *ast_raw_union_type(AstFile *f, Token token, AstNodeArray fields, isize field_count) {
- AstNode *result = make_ast_node(f, AstNode_RawUnionType);
- result->RawUnionType.token = token;
- result->RawUnionType.fields = fields;
- result->RawUnionType.field_count = field_count;
- return result;
-}
-
-
-AstNode *ast_enum_type(AstFile *f, Token token, AstNode *base_type, AstNodeArray fields) {
- AstNode *result = make_ast_node(f, AstNode_EnumType);
- result->EnumType.token = token;
- result->EnumType.base_type = base_type;
- result->EnumType.fields = fields;
- return result;
-}
-
-AstNode *ast_bit_field_type(AstFile *f, Token token, AstNodeArray fields, AstNode *align) {
- AstNode *result = make_ast_node(f, AstNode_BitFieldType);
- result->BitFieldType.token = token;
- result->BitFieldType.fields = fields;
- result->BitFieldType.align = align;
- return result;
-}
-
-AstNode *ast_map_type(AstFile *f, Token token, AstNode *count, AstNode *key, AstNode *value) {
- AstNode *result = make_ast_node(f, AstNode_MapType);
- result->MapType.token = token;
- result->MapType.count = count;
- result->MapType.key = key;
- result->MapType.value = value;
- return result;
-}
-
-
-AstNode *ast_value_decl(AstFile *f, bool is_var, AstNodeArray names, AstNode *type, AstNodeArray values) {
- AstNode *result = make_ast_node(f, AstNode_ValueDecl);
- result->ValueDecl.is_var = is_var;
- result->ValueDecl.names = names;
- result->ValueDecl.type = type;
- result->ValueDecl.values = values;
- return result;
-}
-
-
-AstNode *ast_import_decl(AstFile *f, Token token, bool is_import, Token relpath, Token import_name, AstNode *cond) {
- AstNode *result = make_ast_node(f, AstNode_ImportDecl);
- result->ImportDecl.token = token;
- result->ImportDecl.is_import = is_import;
- result->ImportDecl.relpath = relpath;
- result->ImportDecl.import_name = import_name;
- result->ImportDecl.cond = cond;
- return result;
-}
-
-AstNode *ast_foreign_library(AstFile *f, Token token, Token filepath, Token library_name, AstNode *cond, bool is_system) {
- AstNode *result = make_ast_node(f, AstNode_ForeignLibrary);
- result->ForeignLibrary.token = token;
- result->ForeignLibrary.filepath = filepath;
- result->ForeignLibrary.library_name = library_name;
- result->ForeignLibrary.cond = cond;
- result->ForeignLibrary.is_system = is_system;
- return result;
-}
-
-AstNode *ast_label_decl(AstFile *f, Token token, AstNode *name) {
- AstNode *result = make_ast_node(f, AstNode_Label);
- result->Label.token = token;
- result->Label.name = name;
- return result;
-}
-
-
-bool next_token(AstFile *f) {
- Token prev = f->curr_token;
- if (f->curr_token_index+1 < f->tokens.count) {
- if (f->curr_token.kind != Token_Comment) {
- f->prev_token = f->curr_token;
- }
-
- f->curr_token_index++;
- f->curr_token = f->tokens.e[f->curr_token_index];
- if (f->curr_token.kind == Token_Comment) {
- return next_token(f);
- }
- return true;
- }
- syntax_error(f->curr_token, "Token is EOF");
- return false;
-}
-
-TokenKind look_ahead_token_kind(AstFile *f, isize amount) {
- GB_ASSERT(amount > 0);
-
- TokenKind kind = Token_Invalid;
- isize index = f->curr_token_index;
- while (amount > 0) {
- index++;
- kind = f->tokens.e[index].kind;
- if (kind != Token_Comment) {
- amount--;
- }
- }
- return kind;
-}
-
-Token expect_token(AstFile *f, TokenKind kind) {
- Token prev = f->curr_token;
- if (prev.kind != kind) {
- String p = token_strings[prev.kind];
- syntax_error(f->curr_token, "Expected `%.*s`, got `%.*s`",
- LIT(token_strings[kind]),
- LIT(token_strings[prev.kind]));
- if (prev.kind == Token_EOF) {
- gb_exit(1);
- }
- }
-
- next_token(f);
- return prev;
-}
-
-Token expect_token_after(AstFile *f, TokenKind kind, char *msg) {
- Token prev = f->curr_token;
- if (prev.kind != kind) {
- String p = token_strings[prev.kind];
- syntax_error(f->curr_token, "Expected `%.*s` after %s, got `%.*s`",
- LIT(token_strings[kind]),
- msg,
- LIT(p));
- }
- next_token(f);
- return prev;
-}
-
-
-Token expect_operator(AstFile *f) {
- Token prev = f->curr_token;
- if (!gb_is_between(prev.kind, Token__OperatorBegin+1, Token__OperatorEnd-1)) {
- syntax_error(f->curr_token, "Expected an operator, got `%.*s`",
- LIT(token_strings[prev.kind]));
- } else if (!f->allow_range && (prev.kind == Token_Ellipsis || prev.kind == Token_HalfClosed)) {
- syntax_error(f->curr_token, "Expected an non-range operator, got `%.*s`",
- LIT(token_strings[prev.kind]));
- }
- next_token(f);
- return prev;
-}
-
-Token expect_keyword(AstFile *f) {
- Token prev = f->curr_token;
- if (!gb_is_between(prev.kind, Token__KeywordBegin+1, Token__KeywordEnd-1)) {
- syntax_error(f->curr_token, "Expected a keyword, got `%.*s`",
- LIT(token_strings[prev.kind]));
- }
- next_token(f);
- return prev;
-}
-
-bool allow_token(AstFile *f, TokenKind kind) {
- Token prev = f->curr_token;
- if (prev.kind == kind) {
- next_token(f);
- return true;
- }
- return false;
-}
-
-
-bool is_blank_ident(String str) {
- if (str.len == 1) {
- return str.text[0] == '_';
- }
- return false;
-}
-
-
-// NOTE(bill): Go to next statement to prevent numerous error messages popping up
-void fix_advance_to_next_stmt(AstFile *f) {
- // TODO(bill): fix_advance_to_next_stmt
-#if 1
- for (;;) {
- Token t = f->curr_token;
- switch (t.kind) {
- case Token_EOF:
- case Token_Semicolon:
- return;
-
- case Token_if:
- case Token_when:
- case Token_return:
- case Token_match:
- case Token_defer:
- case Token_asm:
- case Token_using:
- case Token_immutable:
- // case Token_thread_local:
- // case Token_no_alias:
-
- case Token_break:
- case Token_continue:
- case Token_fallthrough:
-
- case Token_push_allocator:
- case Token_push_context:
-
- case Token_Hash:
- {
- if (token_pos_eq(t.pos, f->fix_prev_pos) &&
- f->fix_count < PARSER_MAX_FIX_COUNT) {
- f->fix_count++;
- return;
- }
- if (token_pos_cmp(f->fix_prev_pos, t.pos) < 0) {
- f->fix_prev_pos = t.pos;
- f->fix_count = 0; // NOTE(bill): Reset
- return;
- }
- // NOTE(bill): Reaching here means there is a parsing bug
- } break;
- }
- next_token(f);
- }
-#endif
-}
-
-Token expect_closing(AstFile *f, TokenKind kind, String context) {
- if (f->curr_token.kind != kind &&
- f->curr_token.kind == Token_Semicolon &&
- str_eq(f->curr_token.string, str_lit("\n"))) {
- error(f->curr_token, "Missing `,` before newline in %.*s", LIT(context));
- next_token(f);
- }
- return expect_token(f, kind);
-}
-
-bool is_semicolon_optional_for_node(AstFile *f, AstNode *s) {
- if (s == NULL) {
- return false;
- }
-
- switch (s->kind) {
- case AstNode_IfStmt:
- case AstNode_WhenStmt:
- case AstNode_ForStmt:
- case AstNode_RangeStmt:
- case AstNode_MatchStmt:
- case AstNode_TypeMatchStmt:
- return true;
-
- case AstNode_HelperType:
- return is_semicolon_optional_for_node(f, s->HelperType.type);
-
- case AstNode_PointerType:
- return is_semicolon_optional_for_node(f, s->PointerType.type);
-
- case AstNode_AtomicType:
- return is_semicolon_optional_for_node(f, s->AtomicType.type);
-
- case AstNode_StructType:
- case AstNode_UnionType:
- case AstNode_RawUnionType:
- case AstNode_EnumType:
- case AstNode_BitFieldType:
- return true;
- case AstNode_ProcLit:
- return s->ProcLit.body != NULL;
-
- case AstNode_ValueDecl:
- if (!s->ValueDecl.is_var) {
- if (s->ValueDecl.values.count > 0) {
- AstNode *last = s->ValueDecl.values.e[s->ValueDecl.values.count-1];
- return is_semicolon_optional_for_node(f, last);
- }
- }
- break;
- }
-
- return false;
-}
-
-void expect_semicolon(AstFile *f, AstNode *s) {
- if (allow_token(f, Token_Semicolon)) {
- return;
- }
- Token prev_token = f->prev_token;
-
- switch (f->curr_token.kind) {
- case Token_EOF:
- return;
- }
-
- if (s != NULL) {
- if (prev_token.pos.line != f->curr_token.pos.line) {
- if (is_semicolon_optional_for_node(f, s)) {
- return;
- }
- } else {
- // switch (s->kind) {
- // case AstNode_GiveExpr:
- // if (f->curr_token.kind == Token_CloseBrace) {
- // return;
- // }
- // break;
- // }
- }
- syntax_error(prev_token, "Expected `;` after %.*s, got %.*s",
- LIT(ast_node_strings[s->kind]), LIT(token_strings[prev_token.kind]));
- } else {
- syntax_error(prev_token, "Expected `;`");
- }
- fix_advance_to_next_stmt(f);
-}
-
-
-AstNode * parse_expr(AstFile *f, bool lhs);
-AstNode * parse_proc_type(AstFile *f, AstNode **foreign_library, String *foreign_name, String *link_name);
-AstNodeArray parse_stmt_list(AstFile *f);
-AstNode * parse_stmt(AstFile *f);
-AstNode * parse_body(AstFile *f);
-
-
-
-
-AstNode *parse_ident(AstFile *f) {
- Token token = f->curr_token;
- if (token.kind == Token_Ident) {
- next_token(f);
- } else {
- token.string = str_lit("_");
- expect_token(f, Token_Ident);
- }
- return ast_ident(f, token);
-}
-
-AstNode *parse_tag_expr(AstFile *f, AstNode *expression) {
- Token token = expect_token(f, Token_Hash);
- Token name = expect_token(f, Token_Ident);
- return ast_tag_expr(f, token, name, expression);
-}
-
-AstNode *unparen_expr(AstNode *node) {
- for (;;) {
- if (node == NULL) {
- return NULL;
- }
- if (node->kind != AstNode_ParenExpr) {
- return node;
- }
- node = node->ParenExpr.expr;
- }
-}
-
-AstNode *parse_value(AstFile *f);
-
-AstNodeArray parse_element_list(AstFile *f) {
- AstNodeArray elems = make_ast_node_array(f);
-
- while (f->curr_token.kind != Token_CloseBrace &&
- f->curr_token.kind != Token_EOF) {
- AstNode *elem = parse_value(f);
- if (f->curr_token.kind == Token_Eq) {
- Token eq = expect_token(f, Token_Eq);
- AstNode *value = parse_value(f);
- elem = ast_field_value(f, elem, value, eq);
- }
-
- array_add(&elems, elem);
-
- if (!allow_token(f, Token_Comma)) {
- break;
- }
- }
-
- return elems;
-}
-
-AstNode *parse_literal_value(AstFile *f, AstNode *type) {
- AstNodeArray elems = {0};
- Token open = expect_token(f, Token_OpenBrace);
- f->expr_level++;
- if (f->curr_token.kind != Token_CloseBrace) {
- elems = parse_element_list(f);
- }
- f->expr_level--;
- Token close = expect_closing(f, Token_CloseBrace, str_lit("compound literal"));
-
- return ast_compound_lit(f, type, elems, open, close);
-}
-
-AstNode *parse_value(AstFile *f) {
- if (f->curr_token.kind == Token_OpenBrace) {
- return parse_literal_value(f, NULL);
- }
-
- AstNode *value = parse_expr(f, false);
- return value;
-}
-
-AstNode *parse_type_or_ident(AstFile *f);
-
-
-void check_proc_add_tag(AstFile *f, AstNode *tag_expr, u64 *tags, ProcTag tag, String tag_name) {
- if (*tags & tag) {
- syntax_error_node(tag_expr, "Procedure tag already used: %.*s", LIT(tag_name));
- }
- *tags |= tag;
-}
-
-bool is_foreign_name_valid(String name) {
- // TODO(bill): is_foreign_name_valid
- if (name.len == 0)
- return false;
- isize offset = 0;
- while (offset < name.len) {
- Rune rune;
- isize remaining = name.len - offset;
- isize width = gb_utf8_decode(name.text+offset, remaining, &rune);
- if (rune == GB_RUNE_INVALID && width == 1) {
- return false;
- } else if (rune == GB_RUNE_BOM && remaining > 0) {
- return false;
- }
-
- if (offset == 0) {
- switch (rune) {
- case '-':
- case '$':
- case '.':
- case '_':
- break;
- default:
- if (!gb_char_is_alpha(cast(char)rune))
- return false;
- break;
- }
- } else {
- switch (rune) {
- case '-':
- case '$':
- case '.':
- case '_':
- break;
- default:
- if (!gb_char_is_alphanumeric(cast(char)rune)) {
- return false;
- }
- break;
- }
- }
-
- offset += width;
- }
-
- return true;
-}
-
-void parse_proc_tags(AstFile *f, u64 *tags, AstNode **foreign_library_token, String *foreign_name, String *link_name, ProcCallingConvention *calling_convention) {
- // TODO(bill): Add this to procedure literals too
- GB_ASSERT(tags != NULL);
- GB_ASSERT(link_name != NULL);
- GB_ASSERT(link_name != NULL);
-
- ProcCallingConvention cc = ProcCC_Invalid;
-
- while (f->curr_token.kind == Token_Hash) {
- AstNode *tag_expr = parse_tag_expr(f, NULL);
- ast_node(te, TagExpr, tag_expr);
- String tag_name = te->name.string;
-
- #define ELSE_IF_ADD_TAG(name) \
- else if (str_eq(tag_name, str_lit(#name))) { \
- check_proc_add_tag(f, tag_expr, tags, ProcTag_##name, tag_name); \
- }
-
- if (str_eq(tag_name, str_lit("foreign"))) {
- check_proc_add_tag(f, tag_expr, tags, ProcTag_foreign, tag_name);
- *foreign_library_token = parse_ident(f);
- if (f->curr_token.kind == Token_String) {
- *foreign_name = f->curr_token.string;
- // TODO(bill): Check if valid string
- if (!is_foreign_name_valid(*foreign_name)) {
- syntax_error_node(tag_expr, "Invalid alternative foreign procedure name: `%.*s`", LIT(*foreign_name));
- }
-
- next_token(f);
- }
- } else if (str_eq(tag_name, str_lit("link_name"))) {
- check_proc_add_tag(f, tag_expr, tags, ProcTag_link_name, tag_name);
- if (f->curr_token.kind == Token_String) {
- *link_name = f->curr_token.string;
- // TODO(bill): Check if valid string
- if (!is_foreign_name_valid(*link_name)) {
- syntax_error_node(tag_expr, "Invalid alternative link procedure name `%.*s`", LIT(*link_name));
- }
-
- next_token(f);
- } else {
- expect_token(f, Token_String);
- }
- }
- ELSE_IF_ADD_TAG(require_results)
- ELSE_IF_ADD_TAG(export)
- ELSE_IF_ADD_TAG(bounds_check)
- ELSE_IF_ADD_TAG(no_bounds_check)
- ELSE_IF_ADD_TAG(inline)
- ELSE_IF_ADD_TAG(no_inline)
- // ELSE_IF_ADD_TAG(dll_import)
- // ELSE_IF_ADD_TAG(dll_export)
- else if (str_eq(tag_name, str_lit("cc_odin"))) {
- if (cc == ProcCC_Invalid) {
- cc = ProcCC_Odin;
- } else {
- syntax_error_node(tag_expr, "Multiple calling conventions for procedure type");
- }
- } else if (str_eq(tag_name, str_lit("cc_c"))) {
- if (cc == ProcCC_Invalid) {
- cc = ProcCC_C;
- } else {
- syntax_error_node(tag_expr, "Multiple calling conventions for procedure type");
- }
- } else if (str_eq(tag_name, str_lit("cc_std"))) {
- if (cc == ProcCC_Invalid) {
- cc = ProcCC_Std;
- } else {
- syntax_error_node(tag_expr, "Multiple calling conventions for procedure type");
- }
- } else if (str_eq(tag_name, str_lit("cc_fast"))) {
- if (cc == ProcCC_Invalid) {
- cc = ProcCC_Fast;
- } else {
- syntax_error_node(tag_expr, "Multiple calling conventions for procedure type");
- }
- } else {
- syntax_error_node(tag_expr, "Unknown procedure tag #%.*s\n", LIT(tag_name));
- }
-
- #undef ELSE_IF_ADD_TAG
- }
-
- if (cc == ProcCC_Invalid) {
- if ((*tags) & ProcTag_foreign) {
- cc = ProcCC_C;
- } else {
- cc = ProcCC_Odin;
- }
- }
-
- if (calling_convention) {
- *calling_convention = cc;
- }
-
- if ((*tags & ProcTag_foreign) && (*tags & ProcTag_export)) {
- syntax_error(f->curr_token, "You cannot apply both #foreign and #export to a procedure");
- }
-
- if ((*tags & ProcTag_inline) && (*tags & ProcTag_no_inline)) {
- syntax_error(f->curr_token, "You cannot apply both #inline and #no_inline to a procedure");
- }
-
- if ((*tags & ProcTag_bounds_check) && (*tags & ProcTag_no_bounds_check)) {
- syntax_error(f->curr_token, "You cannot apply both #bounds_check and #no_bounds_check to a procedure");
- }
-
- if (((*tags & ProcTag_bounds_check) || (*tags & ProcTag_no_bounds_check)) && (*tags & ProcTag_foreign)) {
- syntax_error(f->curr_token, "You cannot apply both #bounds_check or #no_bounds_check to a procedure without a body");
- }
-}
-
-
-AstNodeArray parse_lhs_expr_list(AstFile *f);
-AstNodeArray parse_rhs_expr_list(AstFile *f);
-AstNode * parse_simple_stmt (AstFile *f, StmtAllowFlag flags);
-AstNode * parse_type (AstFile *f);
-
-AstNode *convert_stmt_to_expr(AstFile *f, AstNode *statement, String kind) {
- if (statement == NULL) {
- return NULL;
- }
-
- if (statement->kind == AstNode_ExprStmt) {
- return statement->ExprStmt.expr;
- }
-
- syntax_error(f->curr_token, "Expected `%.*s`, found a simple statement.", LIT(kind));
- return ast_bad_expr(f, f->curr_token, f->tokens.e[f->curr_token_index+1]);
-}
-
-
-
-AstNode *parse_operand(AstFile *f, bool lhs) {
- AstNode *operand = NULL; // Operand
- switch (f->curr_token.kind) {
- case Token_Ident:
- return parse_ident(f);
-
- case Token_context:
- return ast_implicit(f, expect_token(f, Token_context));
-
- case Token_Integer:
- case Token_Float:
- case Token_Imag:
- case Token_Rune:
- operand = ast_basic_lit(f, f->curr_token);
- next_token(f);
- return operand;
-
- case Token_String: {
- Token token = f->curr_token;
- next_token(f);
- if (f->curr_token.kind == Token_String) {
- // NOTE(bill): Allow neighbouring string literals to be merge together to
- // become one big string
- String s = f->curr_token.string;
- Array(u8) data;
- array_init_reserve(&data, heap_allocator(), token.string.len+s.len);
- gb_memmove(data.e, token.string.text, token.string.len);
- data.count += token.string.len;
-
- while (f->curr_token.kind == Token_String) {
- String s = f->curr_token.string;
- isize old_count = data.count;
- array_resize(&data, data.count + s.len);
- gb_memmove(data.e+old_count, s.text, s.len);
- next_token(f);
- }
-
- token.string = make_string(data.e, data.count);
- array_add(&f->tokenizer.allocated_strings, token.string);
- }
-
- return ast_basic_lit(f, token);
- }
-
-
- case Token_OpenParen: {
- Token open, close;
- // NOTE(bill): Skip the Paren Expression
- open = expect_token(f, Token_OpenParen);
- f->expr_level++;
- operand = parse_expr(f, false);
- f->expr_level--;
- close = expect_token(f, Token_CloseParen);
- return ast_paren_expr(f, operand, open, close);
- }
-
- case Token_Hash: {
- Token token = expect_token(f, Token_Hash);
- Token name = expect_token(f, Token_Ident);
- if (str_eq(name.string, str_lit("run"))) {
- AstNode *expr = parse_expr(f, false);
- operand = ast_run_expr(f, token, name, expr);
- if (unparen_expr(expr)->kind != AstNode_CallExpr) {
- error_node(expr, "#run can only be applied to procedure calls");
- operand = ast_bad_expr(f, token, f->curr_token);
- }
- warning(token, "#run is not yet implemented");
- } else if (str_eq(name.string, str_lit("file"))) { return ast_basic_directive(f, token, name.string);
- } else if (str_eq(name.string, str_lit("line"))) { return ast_basic_directive(f, token, name.string);
- } else if (str_eq(name.string, str_lit("procedure"))) { return ast_basic_directive(f, token, name.string);
- } else if (str_eq(name.string, str_lit("type"))) { return ast_helper_type(f, token, parse_type(f));
- } else if (!lhs && str_eq(name.string, str_lit("alias"))) { return ast_alias(f, token, parse_expr(f, false));
- } else {
- operand = ast_tag_expr(f, token, name, parse_expr(f, false));
- }
- return operand;
- }
-
- // Parse Procedure Type or Literal
- case Token_proc: {
- Token token = f->curr_token;
- AstNode *foreign_library = NULL;
- String foreign_name = {0};
- String link_name = {0};
- AstNode *type = parse_proc_type(f, &foreign_library, &foreign_name, &link_name);
- u64 tags = type->ProcType.tags;
-
- if (f->curr_token.kind == Token_OpenBrace) {
- if ((tags & ProcTag_foreign) != 0) {
- syntax_error(token, "A procedure tagged as `#foreign` cannot have a body");
- }
- AstNode *curr_proc = f->curr_proc;
- AstNode *body = NULL;
- f->curr_proc = type;
- body = parse_body(f);
- f->curr_proc = curr_proc;
-
- return ast_proc_lit(f, type, body, tags, foreign_library, foreign_name, link_name);
- }
-
- if ((tags & ProcTag_foreign) != 0) {
- return ast_proc_lit(f, type, NULL, tags, foreign_library, foreign_name, link_name);
- }
- if (tags != 0) {
- // syntax_error(token, "A procedure type cannot have tags");
- }
-
- return type;
- }
-
- default: {
- AstNode *type = parse_type_or_ident(f);
- if (type != NULL) {
- // TODO(bill): Is this correct???
- // NOTE(bill): Sanity check as identifiers should be handled already
- TokenPos pos = ast_node_token(type).pos;
- GB_ASSERT_MSG(type->kind != AstNode_Ident, "Type cannot be identifier %.*s(%td:%td)", LIT(pos.file), pos.line, pos.column);
- return type;
- }
- break;
- }
- }
-
- return NULL;
-}
-
-bool is_literal_type(AstNode *node) {
- node = unparen_expr(node);
- switch (node->kind) {
- case AstNode_BadExpr:
- case AstNode_Ident:
- case AstNode_SelectorExpr:
- case AstNode_ArrayType:
- case AstNode_VectorType:
- case AstNode_StructType:
- case AstNode_DynamicArrayType:
- case AstNode_MapType:
- return true;
- }
- return false;
-}
-
-AstNode *parse_call_expr(AstFile *f, AstNode *operand) {
- AstNodeArray args = make_ast_node_array(f);
- Token open_paren, close_paren;
- Token ellipsis = {0};
-
- f->expr_level++;
- open_paren = expect_token(f, Token_OpenParen);
-
- while (f->curr_token.kind != Token_CloseParen &&
- f->curr_token.kind != Token_EOF &&
- ellipsis.pos.line == 0) {
- if (f->curr_token.kind == Token_Comma) {
- syntax_error(f->curr_token, "Expected an expression not a ,");
- }
-
- if (f->curr_token.kind == Token_Ellipsis) {
- ellipsis = f->curr_token;
- next_token(f);
- }
-
- AstNode *arg = parse_expr(f, false);
- array_add(&args, arg);
-
- if (!allow_token(f, Token_Comma)) {
- break;
- }
- }
-
- f->expr_level--;
- close_paren = expect_closing(f, Token_CloseParen, str_lit("argument list"));
-
- return ast_call_expr(f, operand, args, open_paren, close_paren, ellipsis);
-}
-
-
-AstNode *parse_macro_call_expr(AstFile *f, AstNode *operand) {
- AstNodeArray args = make_ast_node_array(f);
- Token bang, open_paren, close_paren;
-
- bang = expect_token(f, Token_Not);
-
- f->expr_level++;
- open_paren = expect_token(f, Token_OpenParen);
-
- while (f->curr_token.kind != Token_CloseParen &&
- f->curr_token.kind != Token_EOF) {
- if (f->curr_token.kind == Token_Comma) {
- syntax_error(f->curr_token, "Expected an expression not a ,");
- }
-
- AstNode *arg = parse_expr(f, false);
- array_add(&args, arg);
-
- if (!allow_token(f, Token_Comma)) {
- break;
- }
- }
-
- f->expr_level--;
- close_paren = expect_closing(f, Token_CloseParen, str_lit("argument list"));
-
- return ast_macro_call_expr(f, operand, bang, args, open_paren, close_paren);
-}
-
-AstNode *parse_atom_expr(AstFile *f, bool lhs) {
- AstNode *operand = parse_operand(f, lhs);
- if (operand == NULL) {
- Token begin = f->curr_token;
- syntax_error(begin, "Expected an operand");
- fix_advance_to_next_stmt(f);
- operand = ast_bad_expr(f, begin, f->curr_token);
- }
-
- bool loop = true;
- while (loop) {
- switch (f->curr_token.kind) {
- case Token_OpenParen:
- operand = parse_call_expr(f, operand);
- break;
- case Token_Not:
- operand = parse_macro_call_expr(f, operand);
- break;
-
- case Token_Period: {
- Token token = f->curr_token;
- next_token(f);
- switch (f->curr_token.kind) {
- case Token_Ident:
- operand = ast_selector_expr(f, token, operand, parse_ident(f));
- break;
- case Token_Integer:
- operand = ast_selector_expr(f, token, operand, parse_expr(f, lhs));
- break;
- case Token_OpenParen: {
- Token open = expect_token(f, Token_OpenParen);
- AstNode *type = parse_type(f);
- Token close = expect_token(f, Token_CloseParen);
- operand = ast_type_assertion(f, operand, token, type);
- } break;
-
- default:
- syntax_error(f->curr_token, "Expected a selector");
- next_token(f);
- operand = ast_bad_expr(f, ast_node_token(operand), f->curr_token);
- // operand = ast_selector_expr(f, f->curr_token, operand, NULL);
- break;
- }
- } break;
-
- case Token_OpenBracket: {
- if (lhs) {
- // TODO(bill): Handle this
- }
- bool prev_allow_range = f->allow_range;
- f->allow_range = false;
-
- Token open = {0}, close = {0}, interval = {0};
- AstNode *indices[3] = {0};
- isize ellipsis_count = 0;
- Token ellipses[2] = {0};
-
- f->expr_level++;
- open = expect_token(f, Token_OpenBracket);
-
- if (f->curr_token.kind != Token_Ellipsis &&
- f->curr_token.kind != Token_HalfClosed) {
- indices[0] = parse_expr(f, false);
- }
- bool is_index = true;
-
- while ((f->curr_token.kind == Token_Ellipsis ||
- f->curr_token.kind == Token_HalfClosed)
- && ellipsis_count < gb_count_of(ellipses)) {
- ellipses[ellipsis_count++] = f->curr_token;
- next_token(f);
- if (f->curr_token.kind != Token_Ellipsis &&
- f->curr_token.kind != Token_HalfClosed &&
- f->curr_token.kind != Token_CloseBracket &&
- f->curr_token.kind != Token_EOF) {
- indices[ellipsis_count] = parse_expr(f, false);
- }
- }
-
-
- f->expr_level--;
- close = expect_token(f, Token_CloseBracket);
-
- if (ellipsis_count > 0) {
- bool index3 = false;
- if (ellipsis_count == 2) {
- index3 = true;
- // 2nd and 3rd index must be present
- if (indices[1] == NULL) {
- error(ellipses[0], "2nd index required in 3-index slice expression");
- indices[1] = ast_bad_expr(f, ellipses[0], ellipses[1]);
- }
- if (indices[2] == NULL) {
- error(ellipses[1], "3rd index required in 3-index slice expression");
- indices[2] = ast_bad_expr(f, ellipses[1], close);
- }
- }
- operand = ast_slice_expr(f, operand, open, close, ellipses[0], ellipses[1], index3, indices[0], indices[1], indices[2]);
- } else {
- operand = ast_index_expr(f, operand, indices[0], open, close);
- }
-
- f->allow_range = prev_allow_range;
- } break;
-
- case Token_Pointer: // Deference
- operand = ast_deref_expr(f, operand, expect_token(f, Token_Pointer));
- break;
-
- case Token_OpenBrace:
- if (!lhs && is_literal_type(operand) && f->expr_level >= 0) {
- operand = parse_literal_value(f, operand);
- } else {
- loop = false;
- }
- break;
-
- default:
- loop = false;
- break;
- }
-
- lhs = false; // NOTE(bill): 'tis not lhs anymore
- }
-
- return operand;
-}
-
-
-AstNode *parse_unary_expr(AstFile *f, bool lhs) {
- switch (f->curr_token.kind) {
- case Token_Add:
- case Token_Sub:
- case Token_Not:
- case Token_Xor:
- case Token_And: {
- Token op = f->curr_token;
- next_token(f);
- return ast_unary_expr(f, op, parse_unary_expr(f, lhs));
- } break;
- }
-
- return parse_atom_expr(f, lhs);
-}
-
-bool is_ast_node_a_range(AstNode *expr) {
- if (expr == NULL) {
- return false;
- }
- if (expr->kind != AstNode_BinaryExpr) {
- return false;
- }
- TokenKind op = expr->BinaryExpr.op.kind;
- switch (op) {
- case Token_Ellipsis:
- case Token_HalfClosed:
- return true;
- }
- return false;
-}
-
-// NOTE(bill): result == priority
-i32 token_precedence(AstFile *f, TokenKind t) {
- switch (t) {
- case Token_Question:
- return 1;
- case Token_Ellipsis:
- case Token_HalfClosed:
- if (f->allow_range) {
- return 2;
- }
- return 0;
- case Token_CmpOr:
- return 3;
- case Token_CmpAnd:
- return 4;
- case Token_CmpEq:
- case Token_NotEq:
- case Token_Lt:
- case Token_Gt:
- case Token_LtEq:
- case Token_GtEq:
- return 5;
- case Token_Add:
- case Token_Sub:
- case Token_Or:
- case Token_Xor:
- return 6;
- case Token_Mul:
- case Token_Quo:
- case Token_Mod:
- case Token_ModMod:
- case Token_And:
- case Token_AndNot:
- case Token_Shl:
- case Token_Shr:
- return 7;
- }
- return 0;
-}
-
-AstNode *parse_binary_expr(AstFile *f, bool lhs, i32 prec_in) {
- AstNode *expr = parse_unary_expr(f, lhs);
- for (i32 prec = token_precedence(f, f->curr_token.kind); prec >= prec_in; prec--) {
- for (;;) {
- Token op = f->curr_token;
- i32 op_prec = token_precedence(f, op.kind);
- if (op_prec != prec) {
- // NOTE(bill): This will also catch operators that are not valid "binary" operators
- break;
- }
- expect_operator(f); // NOTE(bill): error checks too
-
- if (op.kind == Token_Question) {
- AstNode *cond = expr;
- // Token_Question
- AstNode *x = parse_expr(f, lhs);
- Token token_c = expect_token(f, Token_Colon);
- AstNode *y = parse_expr(f, lhs);
- expr = ast_ternary_expr(f, cond, x, y);
- } else {
- AstNode *right = parse_binary_expr(f, false, prec+1);
- if (right == NULL) {
- syntax_error(op, "Expected expression on the right-hand side of the binary operator");
- }
- expr = ast_binary_expr(f, op, expr, right);
- }
-
- lhs = false;
- }
- }
- return expr;
-}
-
-AstNode *parse_expr(AstFile *f, bool lhs) {
- return parse_binary_expr(f, lhs, 0+1);
-}
-
-
-AstNodeArray parse_expr_list(AstFile *f, bool lhs) {
- AstNodeArray list = make_ast_node_array(f);
- for (;;) {
- AstNode *e = parse_expr(f, lhs);
- array_add(&list, e);
- if (f->curr_token.kind != Token_Comma ||
- f->curr_token.kind == Token_EOF) {
- break;
- }
- next_token(f);
- }
-
- return list;
-}
-
-AstNodeArray parse_lhs_expr_list(AstFile *f) {
- return parse_expr_list(f, true);
-}
-
-AstNodeArray parse_rhs_expr_list(AstFile *f) {
- return parse_expr_list(f, false);
-}
-
-AstNodeArray parse_ident_list(AstFile *f) {
- AstNodeArray list = make_ast_node_array(f);
-
- do {
- array_add(&list, parse_ident(f));
- if (f->curr_token.kind != Token_Comma ||
- f->curr_token.kind == Token_EOF) {
- break;
- }
- next_token(f);
- } while (true);
-
- return list;
-}
-
-
-AstNode *parse_type_attempt(AstFile *f) {
- AstNode *type = parse_type_or_ident(f);
- if (type != NULL) {
- // TODO(bill): Handle?
- }
- return type;
-}
-
-AstNode *parse_type(AstFile *f) {
- AstNode *type = parse_type_attempt(f);
- if (type == NULL) {
- Token token = f->curr_token;
- syntax_error(token, "Expected a type");
- next_token(f);
- return ast_bad_expr(f, token, f->curr_token);
- }
- return type;
-}
-
-
-AstNode *parse_value_decl(AstFile *f, AstNodeArray lhs) {
- AstNode *type = NULL;
- AstNodeArray values = {0};
- bool is_mutable = true;
-
- if (allow_token(f, Token_Colon)) {
- type = parse_type_attempt(f);
- } else if (f->curr_token.kind != Token_Eq &&
- f->curr_token.kind != Token_Semicolon) {
- syntax_error(f->curr_token, "Expected a type separator `:` or `=`");
- }
-
-
- switch (f->curr_token.kind) {
- case Token_Colon:
- is_mutable = false;
- /*fallthrough*/
- case Token_Eq:
- next_token(f);
- values = parse_rhs_expr_list(f);
- if (values.count > lhs.count) {
- syntax_error(f->curr_token, "Too many values on the right hand side of the declaration");
- } else if (values.count < lhs.count && !is_mutable) {
- syntax_error(f->curr_token, "All constant declarations must be defined");
- } else if (values.count == 0) {
- syntax_error(f->curr_token, "Expected an expression for this declaration");
- }
- break;
- }
-
- if (is_mutable) {
- if (type == NULL && values.count == 0) {
- syntax_error(f->curr_token, "Missing variable type or initialization");
- return ast_bad_decl(f, f->curr_token, f->curr_token);
- }
- } else {
- if (type == NULL && values.count == 0 && lhs.count > 0) {
- syntax_error(f->curr_token, "Missing constant value");
- return ast_bad_decl(f, f->curr_token, f->curr_token);
- }
- }
-
- if (values.e == NULL) {
- values = make_ast_node_array(f);
- }
-
- AstNodeArray specs = {0};
- array_init_reserve(&specs, heap_allocator(), 1);
- return ast_value_decl(f, is_mutable, lhs, type, values);
-}
-
-
-
-AstNode *parse_simple_stmt(AstFile *f, StmtAllowFlag flags) {
- AstNodeArray lhs = parse_lhs_expr_list(f);
- Token token = f->curr_token;
- switch (token.kind) {
- case Token_Eq:
- case Token_AddEq:
- case Token_SubEq:
- case Token_MulEq:
- case Token_QuoEq:
- case Token_ModEq:
- case Token_ModModEq:
- case Token_AndEq:
- case Token_OrEq:
- case Token_XorEq:
- case Token_ShlEq:
- case Token_ShrEq:
- case Token_AndNotEq:
- case Token_CmpAndEq:
- case Token_CmpOrEq:
- {
- if (f->curr_proc == NULL) {
- syntax_error(f->curr_token, "You cannot use a simple statement in the file scope");
- return ast_bad_stmt(f, f->curr_token, f->curr_token);
- }
- next_token(f);
- AstNodeArray rhs = parse_rhs_expr_list(f);
- if (rhs.count == 0) {
- syntax_error(token, "No right-hand side in assignment statement.");
- return ast_bad_stmt(f, token, f->curr_token);
- }
- return ast_assign_stmt(f, token, lhs, rhs);
- } break;
-
- case Token_in:
- if (flags&StmtAllowFlag_In) {
- allow_token(f, Token_in);
- bool prev_allow_range = f->allow_range;
- f->allow_range = true;
- AstNode *expr = parse_expr(f, false);
- f->allow_range = prev_allow_range;
-
- AstNodeArray rhs = {0};
- array_init_count(&rhs, heap_allocator(), 1);
- rhs.e[0] = expr;
-
- return ast_assign_stmt(f, token, lhs, rhs);
- }
- break;
-
- case Token_Colon:
- if ((flags&StmtAllowFlag_Label) && lhs.count == 1) {
- TokenKind next = look_ahead_token_kind(f, 1);
- switch (next) {
- case Token_for:
- case Token_match: {
- next_token(f);
- AstNode *name = lhs.e[0];
- AstNode *label = ast_label_decl(f, ast_node_token(name), name);
- AstNode *stmt = parse_stmt(f);
- #define _SET_LABEL(Kind_, label_) case GB_JOIN2(AstNode_, Kind_): (stmt->Kind_).label = label_; break
- switch (stmt->kind) {
- _SET_LABEL(ForStmt, label);
- _SET_LABEL(RangeStmt, label);
- _SET_LABEL(MatchStmt, label);
- _SET_LABEL(TypeMatchStmt, label);
- default:
- syntax_error(token, "Labels can only be applied to a loop or match statement");
- break;
- }
- #undef _SET_LABEL
- return stmt;
- } break;
- }
- }
-
- return parse_value_decl(f, lhs);
- }
-
- if (lhs.count > 1) {
- syntax_error(token, "Expected 1 expression");
- return ast_bad_stmt(f, token, f->curr_token);
- }
-
-
-
- switch (token.kind) {
- case Token_Inc:
- case Token_Dec:
- next_token(f);
- return ast_inc_dec_stmt(f, token, lhs.e[0]);
- }
-
- return ast_expr_stmt(f, lhs.e[0]);
-}
-
-
-
-AstNode *parse_block_stmt(AstFile *f, b32 is_when) {
- if (!is_when && f->curr_proc == NULL) {
- syntax_error(f->curr_token, "You cannot use a block statement in the file scope");
- return ast_bad_stmt(f, f->curr_token, f->curr_token);
- }
- return parse_body(f);
-}
-
-AstNode *parse_field_list(AstFile *f, isize *name_count_, u32 allowed_flags, TokenKind follow);
-
-
-AstNode *parse_results(AstFile *f) {
- if (!allow_token(f, Token_ArrowRight)) {
- return NULL;
- }
-
- if (f->curr_token.kind != Token_OpenParen) {
- Token begin_token = f->curr_token;
- AstNodeArray empty_names = {0};
- AstNodeArray list = make_ast_node_array(f);
- AstNode *type = parse_type(f);
- array_add(&list, ast_field(f, empty_names, type, 0));
- return ast_field_list(f, begin_token, list);
- }
-
- AstNode *list = NULL;
- expect_token(f, Token_OpenParen);
- list = parse_field_list(f, NULL, 0, Token_CloseParen);
- expect_token_after(f, Token_CloseParen, "parameter list");
- return list;
-}
-
-AstNode *parse_proc_type(AstFile *f, AstNode **foreign_library_, String *foreign_name_, String *link_name_) {
- AstNode *params = {0};
- AstNode *results = {0};
-
- Token proc_token = expect_token(f, Token_proc);
- expect_token(f, Token_OpenParen);
- params = parse_field_list(f, NULL, FieldFlag_Signature, Token_CloseParen);
- expect_token_after(f, Token_CloseParen, "parameter list");
- results = parse_results(f);
-
- u64 tags = 0;
- String foreign_name = {0};
- String link_name = {0};
- AstNode *foreign_library = NULL;
- ProcCallingConvention cc = ProcCC_Odin;
-
- parse_proc_tags(f, &tags, &foreign_library, &foreign_name, &link_name, &cc);
-
- if (foreign_library_) *foreign_library_ = foreign_library;
- if (foreign_name_) *foreign_name_ = foreign_name;
- if (link_name_) *link_name_ = link_name;
-
- return ast_proc_type(f, proc_token, params, results, tags, cc);
-}
-
-AstNode *parse_var_type(AstFile *f, bool allow_ellipsis) {
- if (allow_ellipsis && f->curr_token.kind == Token_Ellipsis) {
- Token tok = f->curr_token;
- next_token(f);
- AstNode *type = parse_type_or_ident(f);
- if (type == NULL) {
- error(tok, "variadic field missing type after `...`");
- type = ast_bad_expr(f, tok, f->curr_token);
- }
- return ast_ellipsis(f, tok, type);
- }
- AstNode *type = parse_type_attempt(f);
- if (type == NULL) {
- Token tok = f->curr_token;
- error(tok, "Expected a type");
- type = ast_bad_expr(f, tok, f->curr_token);
- }
- return type;
-}
-
-
-typedef enum FieldPrefixKind {
- FieldPrefix_Invalid,
-
- FieldPrefix_Using,
- FieldPrefix_Immutable,
- FieldPrefix_NoAlias,
-} FieldPrefixKind;
-
-FieldPrefixKind is_token_field_prefix(AstFile *f) {
- switch (f->curr_token.kind) {
- case Token_EOF:
- return FieldPrefix_Invalid;
-
- case Token_using:
- return FieldPrefix_Using;
-
- case Token_immutable:
- return FieldPrefix_Immutable;
-
- case Token_Hash: {
- next_token(f);
- switch (f->curr_token.kind) {
- case Token_Ident:
- if (str_eq(f->curr_token.string, str_lit("no_alias"))) {
- return FieldPrefix_NoAlias;
- }
- break;
- }
- } break;
- }
- return FieldPrefix_Invalid;
-}
-
-
-u32 parse_field_prefixes(AstFile *f) {
- i32 using_count = 0;
- i32 no_alias_count = 0;
- i32 immutable_count = 0;
-
- for (;;) {
- FieldPrefixKind kind = is_token_field_prefix(f);
- if (kind == FieldPrefix_Invalid) {
- break;
- }
- switch (kind) {
- case FieldPrefix_Using: using_count += 1; next_token(f); break;
- case FieldPrefix_Immutable: immutable_count += 1; next_token(f); break;
- case FieldPrefix_NoAlias: no_alias_count += 1; next_token(f); break;
- }
- }
- if (using_count > 1) syntax_error(f->curr_token, "Multiple `using` in this field list");
- if (immutable_count > 1) syntax_error(f->curr_token, "Multiple `immutable` in this field list");
- if (no_alias_count > 1) syntax_error(f->curr_token, "Multiple `#no_alias` in this field list");
-
-
- u32 field_flags = 0;
- if (using_count > 0) field_flags |= FieldFlag_using;
- if (no_alias_count > 0) field_flags |= FieldFlag_no_alias;
- if (immutable_count > 0) field_flags |= FieldFlag_immutable;
- return field_flags;
-}
-
-u32 check_field_prefixes(AstFile *f, isize name_count, u32 allowed_flags, u32 set_flags) {
- if (name_count > 1 && (set_flags&FieldFlag_using)) {
- syntax_error(f->curr_token, "Cannot apply `using` to more than one of the same type");
- set_flags &= ~FieldFlag_using;
- }
-
- if ((allowed_flags&FieldFlag_using) == 0 && (set_flags&FieldFlag_using)) {
- syntax_error(f->curr_token, "`using` is not allowed within this field list");
- set_flags &= ~FieldFlag_using;
- }
- if ((allowed_flags&FieldFlag_no_alias) == 0 && (set_flags&FieldFlag_no_alias)) {
- syntax_error(f->curr_token, "`no_alias` is not allowed within this field list");
- set_flags &= ~FieldFlag_no_alias;
- }
- if ((allowed_flags&FieldFlag_immutable) == 0 && (set_flags&FieldFlag_immutable)) {
- syntax_error(f->curr_token, "`immutable` is not allowed within this field list");
- set_flags &= ~FieldFlag_immutable;
- }
- return set_flags;
-}
-
-typedef struct AstNodeAndFlags {
- AstNode *node;
- u32 flags;
-} AstNodeAndFlags;
-
-typedef Array(AstNodeAndFlags) AstNodeAndFlagsArray;
-
-AstNodeArray convert_to_ident_list(AstFile *f, AstNodeAndFlagsArray list, bool ignore_flags) {
- AstNodeArray idents = {0};
- array_init_reserve(&idents, heap_allocator(), list.count);
- // Convert to ident list
- for_array(i, list) {
- AstNode *ident = list.e[i].node;
-
- if (!ignore_flags) {
- if (i != 0) {
- error_node(ident, "Illegal use of prefixes in parameter list");
- }
- }
-
- switch (ident->kind) {
- case AstNode_Ident:
- case AstNode_BadExpr:
- break;
- default:
- error_node(ident, "Expected an identifier");
- ident = ast_ident(f, blank_token);
- break;
- }
- array_add(&idents, ident);
- }
- return idents;
-}
-
-
-bool parse_expect_field_separator(AstFile *f, AstNode *param) {
- Token token = f->curr_token;
- if (allow_token(f, Token_Comma)) {
- return true;
- }
- if (token.kind == Token_Semicolon) {
- next_token(f);
- error(f->curr_token, "Expected a comma, got a semicolon");
- return true;
- }
- return false;
-}
-
-AstNode *parse_field_list(AstFile *f, isize *name_count_, u32 allowed_flags, TokenKind follow) {
- TokenKind separator = Token_Comma;
- Token start_token = f->curr_token;
-
- AstNodeArray params = make_ast_node_array(f);
- AstNodeAndFlagsArray list = {0}; array_init(&list, heap_allocator()); // LEAK(bill):
- isize total_name_count = 0;
- bool allow_ellipsis = allowed_flags&FieldFlag_ellipsis;
-
- while (f->curr_token.kind != follow &&
- f->curr_token.kind != Token_Colon &&
- f->curr_token.kind != Token_EOF) {
- u32 flags = parse_field_prefixes(f);
- AstNode *param = parse_var_type(f, allow_ellipsis);
- AstNodeAndFlags naf = {param, flags};
- array_add(&list, naf);
- if (f->curr_token.kind != Token_Comma) {
- break;
- }
- next_token(f);
- }
-
- if (f->curr_token.kind == Token_Colon) {
- AstNodeArray names = convert_to_ident_list(f, list, true); // Copy for semantic reasons
- if (names.count == 0) {
- syntax_error(f->curr_token, "Empty field declaration");
- }
- u32 set_flags = 0;
- if (list.count > 0) {
- set_flags = list.e[0].flags;
- }
- set_flags = check_field_prefixes(f, names.count, allowed_flags, set_flags);
- total_name_count += names.count;
-
- expect_token_after(f, Token_Colon, "field list");
- AstNode *type = parse_var_type(f, allow_ellipsis);
- AstNode *param = ast_field(f, names, type, set_flags);
- array_add(&params, param);
-
- parse_expect_field_separator(f, type);
-
- while (f->curr_token.kind != follow &&
- f->curr_token.kind != Token_EOF) {
- u32 set_flags = parse_field_prefixes(f);
- AstNodeArray names = parse_ident_list(f);
- if (names.count == 0) {
- syntax_error(f->curr_token, "Empty field declaration");
- break;
- }
- set_flags = check_field_prefixes(f, names.count, allowed_flags, set_flags);
- total_name_count += names.count;
-
- expect_token_after(f, Token_Colon, "field list");
- AstNode *type = parse_var_type(f, allow_ellipsis);
- AstNode *param = ast_field(f, names, type, set_flags);
- array_add(&params, param);
-
- if (!parse_expect_field_separator(f, param)) {
- break;
- }
- }
-
- if (name_count_) *name_count_ = total_name_count;
- return ast_field_list(f, start_token, params);
- }
-
- for_array(i, list) {
- AstNodeArray names = {0};
- AstNode *type = list.e[i].node;
- Token token = blank_token;
-
- array_init_count(&names, heap_allocator(), 1);
- token.pos = ast_node_token(type).pos;
- names.e[0] = ast_ident(f, token);
- u32 flags = check_field_prefixes(f, list.count, allowed_flags, list.e[i].flags);
-
- AstNode *param = ast_field(f, names, list.e[i].node, flags);
- array_add(&params, param);
- }
-
- if (name_count_) *name_count_ = total_name_count;
- return ast_field_list(f, start_token, params);
-}
-
-
-AstNode *parse_record_fields(AstFile *f, isize *field_count_, u32 flags, String context) {
- return parse_field_list(f, field_count_, flags, Token_CloseBrace);
-}
-
-AstNode *parse_type_or_ident(AstFile *f) {
- switch (f->curr_token.kind) {
- case Token_Ident:
- {
- AstNode *e = parse_ident(f);
- while (f->curr_token.kind == Token_Period) {
- Token token = f->curr_token;
- next_token(f);
- AstNode *sel = parse_ident(f);
- e = ast_selector_expr(f, token, e, sel);
- }
- // TODO(bill): Merge type_or_ident into the general parsing for expressions
- // if (f->curr_token.kind == Token_OpenParen) {
- // HACK NOTE(bill): For type_of_val(expr) et al.
- // e = parse_call_expr(f, e);
- // }
- return e;
- }
-
- case Token_Hash: {
- Token hash_token = expect_token(f, Token_Hash);
- Token name = expect_token(f, Token_Ident);
- String tag = name.string;
- if (str_eq(tag, str_lit("type"))) {
- AstNode *type = parse_type(f);
- return ast_helper_type(f, hash_token, type);
- }
- syntax_error(name, "Expected `type` after #");
- return ast_bad_expr(f, hash_token, f->curr_token);
- }
-
- case Token_Pointer: {
- Token token = expect_token(f, Token_Pointer);
- AstNode *elem = parse_type(f);
- return ast_pointer_type(f, token, elem);
- }
-
- case Token_atomic: {
- Token token = expect_token(f, Token_atomic);
- AstNode *elem = parse_type(f);
- return ast_atomic_type(f, token, elem);
- }
-
- case Token_OpenBracket: {
- Token token = expect_token(f, Token_OpenBracket);
- AstNode *count_expr = NULL;
- bool is_vector = false;
-
- if (f->curr_token.kind == Token_Ellipsis) {
- count_expr = ast_unary_expr(f, expect_token(f, Token_Ellipsis), NULL);
- } else if (f->curr_token.kind == Token_vector) {
- next_token(f);
- if (f->curr_token.kind != Token_CloseBracket) {
- f->expr_level++;
- count_expr = parse_expr(f, false);
- f->expr_level--;
- } else {
- syntax_error(f->curr_token, "Vector type missing count");
- }
- is_vector = true;
- } else if (f->curr_token.kind == Token_dynamic) {
- next_token(f);
- expect_token(f, Token_CloseBracket);
- return ast_dynamic_array_type(f, token, parse_type(f));
- } else if (f->curr_token.kind != Token_CloseBracket) {
- f->expr_level++;
- count_expr = parse_expr(f, false);
- f->expr_level--;
- }
- expect_token(f, Token_CloseBracket);
- if (is_vector) {
- return ast_vector_type(f, token, count_expr, parse_type(f));
- }
- return ast_array_type(f, token, count_expr, parse_type(f));
- }
-
- case Token_map: {
- Token token = expect_token(f, Token_map);
- AstNode *count = NULL;
- AstNode *key = NULL;
- AstNode *value = NULL;
-
- Token open = expect_token_after(f, Token_OpenBracket, "map");
- key = parse_expr(f, true);
- if (allow_token(f, Token_Comma)) {
- count = key;
- key = parse_type(f);
- }
- Token close = expect_token(f, Token_CloseBracket);
- value = parse_type(f);
-
- return ast_map_type(f, token, count, key, value);
- } break;
-
- case Token_struct: {
- Token token = expect_token(f, Token_struct);
- bool is_packed = false;
- bool is_ordered = false;
- AstNode *align = NULL;
-
- isize prev_level = f->expr_level;
- f->expr_level = -1;
-
- while (allow_token(f, Token_Hash)) {
- Token tag = expect_token_after(f, Token_Ident, "#");
- if (str_eq(tag.string, str_lit("packed"))) {
- if (is_packed) {
- syntax_error(tag, "Duplicate struct tag `#%.*s`", LIT(tag.string));
- }
- is_packed = true;
- } else if (str_eq(tag.string, str_lit("ordered"))) {
- if (is_ordered) {
- syntax_error(tag, "Duplicate struct tag `#%.*s`", LIT(tag.string));
- }
- is_ordered = true;
- } else if (str_eq(tag.string, str_lit("align"))) {
- if (align) {
- syntax_error(tag, "Duplicate struct tag `#%.*s`", LIT(tag.string));
- }
- align = parse_expr(f, true);
- } else {
- syntax_error(tag, "Invalid struct tag `#%.*s`", LIT(tag.string));
- }
- }
-
- f->expr_level = prev_level;
-
- if (is_packed && is_ordered) {
- syntax_error(token, "`#ordered` is not needed with `#packed` which implies ordering");
- }
-
- Token open = expect_token_after(f, Token_OpenBrace, "struct");
- isize decl_count = 0;
- AstNode *fields = parse_record_fields(f, &decl_count, FieldFlag_using, str_lit("struct"));
- Token close = expect_token(f, Token_CloseBrace);
-
- AstNodeArray decls = {0};
- if (fields != NULL) {
- GB_ASSERT(fields->kind == AstNode_FieldList);
- decls = fields->FieldList.list;
- }
-
- return ast_struct_type(f, token, decls, decl_count, is_packed, is_ordered, align);
- } break;
-
- case Token_union: {
- Token token = expect_token(f, Token_union);
- Token open = expect_token_after(f, Token_OpenBrace, "union");
- AstNodeArray decls = make_ast_node_array(f);
- AstNodeArray variants = make_ast_node_array(f);
- isize total_decl_name_count = 0;
-
- while (f->curr_token.kind != Token_CloseBrace &&
- f->curr_token.kind != Token_EOF) {
- u32 decl_flags = parse_field_prefixes(f);
- if (decl_flags != 0) {
- AstNodeArray names = parse_ident_list(f);
- if (names.count == 0) {
- syntax_error(f->curr_token, "Empty field declaration");
- }
- u32 set_flags = check_field_prefixes(f, names.count, FieldFlag_using, decl_flags);
- total_decl_name_count += names.count;
- expect_token_after(f, Token_Colon, "field list");
- AstNode *type = parse_var_type(f, false);
- array_add(&decls, ast_field(f, names, type, set_flags));
- } else {
- AstNodeArray names = parse_ident_list(f);
- if (names.count == 0) {
- break;
- }
- if (names.count > 1 || f->curr_token.kind == Token_Colon) {
- u32 set_flags = check_field_prefixes(f, names.count, FieldFlag_using, decl_flags);
- total_decl_name_count += names.count;
- expect_token_after(f, Token_Colon, "field list");
- AstNode *type = parse_var_type(f, false);
- array_add(&decls, ast_field(f, names, type, set_flags));
- } else {
- AstNode *name = names.e[0];
- Token open = expect_token(f, Token_OpenBrace);
- isize decl_count = 0;
- AstNode *list = parse_record_fields(f, &decl_count, FieldFlag_using, str_lit("union"));
- Token close = expect_token(f, Token_CloseBrace);
-
- array_add(&variants, ast_union_field(f, name, list));
- }
- }
- if (f->curr_token.kind != Token_Comma) {
- break;
- }
- next_token(f);
- }
-
- Token close = expect_token(f, Token_CloseBrace);
-
-
- return ast_union_type(f, token, decls, total_decl_name_count, variants);
- }
-
- case Token_raw_union: {
- Token token = expect_token(f, Token_raw_union);
- Token open = expect_token_after(f, Token_OpenBrace, "raw_union");
- isize decl_count = 0;
- AstNode *fields = parse_record_fields(f, &decl_count, FieldFlag_using, str_lit("raw_union"));
- Token close = expect_token(f, Token_CloseBrace);
-
- AstNodeArray decls = {0};
- if (fields != NULL) {
- GB_ASSERT(fields->kind == AstNode_FieldList);
- decls = fields->FieldList.list;
- }
-
- return ast_raw_union_type(f, token, decls, decl_count);
- }
-
- case Token_enum: {
- Token token = expect_token(f, Token_enum);
- AstNode *base_type = NULL;
- if (f->curr_token.kind != Token_OpenBrace) {
- base_type = parse_type(f);
- }
- Token open = expect_token(f, Token_OpenBrace);
-
- AstNodeArray values = parse_element_list(f);
- Token close = expect_token(f, Token_CloseBrace);
-
- return ast_enum_type(f, token, base_type, values);
- }
-
- case Token_bit_field: {
- Token token = expect_token(f, Token_bit_field);
- AstNodeArray fields = make_ast_node_array(f);
- AstNode *align = NULL;
- Token open, close;
-
- isize prev_level = f->expr_level;
- f->expr_level = -1;
-
- while (allow_token(f, Token_Hash)) {
- Token tag = expect_token_after(f, Token_Ident, "#");
- if (str_eq(tag.string, str_lit("align"))) {
- if (align) {
- syntax_error(tag, "Duplicate bit_field tag `#%.*s`", LIT(tag.string));
- }
- align = parse_expr(f, true);
- } else {
- syntax_error(tag, "Invalid bit_field tag `#%.*s`", LIT(tag.string));
- }
- }
-
- f->expr_level = prev_level;
-
- open = expect_token_after(f, Token_OpenBrace, "bit_field");
-
- while (f->curr_token.kind != Token_EOF &&
- f->curr_token.kind != Token_CloseBrace) {
- AstNode *name = parse_ident(f);
- Token colon = expect_token(f, Token_Colon);
- AstNode *value = parse_expr(f, true);
-
- AstNode *field = ast_field_value(f, name, value, colon);
- array_add(&fields, field);
-
- if (f->curr_token.kind != Token_Comma) {
- break;
- }
- next_token(f);
- }
-
- close = expect_token(f, Token_CloseBrace);
-
- return ast_bit_field_type(f, token, fields, align);
- }
-
- case Token_proc: {
- Token token = f->curr_token;
- AstNode *pt = parse_proc_type(f, NULL, NULL, NULL);
- if (pt->ProcType.tags != 0) {
- syntax_error(token, "A procedure type cannot have tags");
- }
- return pt;
- }
-
- case Token_OpenParen: {
- Token open = expect_token(f, Token_OpenParen);
- AstNode *type = parse_type(f);
- Token close = expect_token(f, Token_CloseParen);
- return ast_paren_expr(f, type, open, close);
- } break;
- }
-
- // No type found
- return NULL;
-}
-
-
-AstNode *parse_body(AstFile *f) {
- AstNodeArray stmts = {0};
- Token open, close;
- isize prev_expr_level = f->expr_level;
-
- // NOTE(bill): The body may be within an expression so reset to zero
- f->expr_level = 0;
- open = expect_token(f, Token_OpenBrace);
- stmts = parse_stmt_list(f);
- close = expect_token(f, Token_CloseBrace);
- f->expr_level = prev_expr_level;
-
- return ast_block_stmt(f, stmts, open, close);
-}
-
-AstNode *parse_if_stmt(AstFile *f) {
- if (f->curr_proc == NULL) {
- syntax_error(f->curr_token, "You cannot use an if statement in the file scope");
- return ast_bad_stmt(f, f->curr_token, f->curr_token);
- }
-
- Token token = expect_token(f, Token_if);
- AstNode *init = NULL;
- AstNode *cond = NULL;
- AstNode *body = NULL;
- AstNode *else_stmt = NULL;
-
- isize prev_level = f->expr_level;
- f->expr_level = -1;
-
- if (allow_token(f, Token_Semicolon)) {
- cond = parse_expr(f, false);
- } else {
- init = parse_simple_stmt(f, StmtAllowFlag_None);
- if (allow_token(f, Token_Semicolon)) {
- cond = parse_expr(f, false);
- } else {
- cond = convert_stmt_to_expr(f, init, str_lit("boolean expression"));
- init = NULL;
- }
- }
-
- f->expr_level = prev_level;
-
- if (cond == NULL) {
- syntax_error(f->curr_token, "Expected condition for if statement");
- }
-
- body = parse_block_stmt(f, false);
-
- if (allow_token(f, Token_else)) {
- switch (f->curr_token.kind) {
- case Token_if:
- else_stmt = parse_if_stmt(f);
- break;
- case Token_OpenBrace:
- else_stmt = parse_block_stmt(f, false);
- break;
- default:
- syntax_error(f->curr_token, "Expected if statement block statement");
- else_stmt = ast_bad_stmt(f, f->curr_token, f->tokens.e[f->curr_token_index+1]);
- break;
- }
- }
-
- return ast_if_stmt(f, token, init, cond, body, else_stmt);
-}
-
-AstNode *parse_when_stmt(AstFile *f) {
- Token token = expect_token(f, Token_when);
- AstNode *cond = NULL;
- AstNode *body = NULL;
- AstNode *else_stmt = NULL;
-
- isize prev_level = f->expr_level;
- f->expr_level = -1;
-
- cond = parse_expr(f, false);
-
- f->expr_level = prev_level;
-
- if (cond == NULL) {
- syntax_error(f->curr_token, "Expected condition for when statement");
- }
-
- body = parse_block_stmt(f, true);
-
- if (allow_token(f, Token_else)) {
- switch (f->curr_token.kind) {
- case Token_when:
- else_stmt = parse_when_stmt(f);
- break;
- case Token_OpenBrace:
- else_stmt = parse_block_stmt(f, true);
- break;
- default:
- syntax_error(f->curr_token, "Expected when statement block statement");
- else_stmt = ast_bad_stmt(f, f->curr_token, f->tokens.e[f->curr_token_index+1]);
- break;
- }
- }
-
- return ast_when_stmt(f, token, cond, body, else_stmt);
-}
-
-
-AstNode *parse_return_stmt(AstFile *f) {
- if (f->curr_proc == NULL) {
- syntax_error(f->curr_token, "You cannot use a return statement in the file scope");
- return ast_bad_stmt(f, f->curr_token, f->curr_token);
- }
- if (f->expr_level > 0) {
- syntax_error(f->curr_token, "You cannot use a return statement within an expression");
- return ast_bad_stmt(f, f->curr_token, f->curr_token);
- }
-
- Token token = expect_token(f, Token_return);
- AstNodeArray results;
- if (f->curr_token.kind != Token_Semicolon && f->curr_token.kind != Token_CloseBrace) {
- results = parse_rhs_expr_list(f);
- } else {
- results = make_ast_node_array(f);
- }
-
- expect_semicolon(f, results.e[0]);
- return ast_return_stmt(f, token, results);
-}
-
-
-// AstNode *parse_give_stmt(AstFile *f) {
-// if (f->curr_proc == NULL) {
-// syntax_error(f->curr_token, "You cannot use a give statement in the file scope");
-// return ast_bad_stmt(f, f->curr_token, f->curr_token);
-// }
-// if (f->expr_level == 0) {
-// syntax_error(f->curr_token, "A give statement must be used within an expression");
-// return ast_bad_stmt(f, f->curr_token, f->curr_token);
-// }
-
-// Token token = expect_token(f, Token_give);
-// AstNodeArray results;
-// if (f->curr_token.kind != Token_Semicolon && f->curr_token.kind != Token_CloseBrace) {
-// results = parse_rhs_expr_list(f);
-// } else {
-// results = make_ast_node_array(f);
-// }
-// AstNode *ge = ast_give_expr(f, token, results);
-// expect_semicolon(f, ge);
-// return ast_expr_stmt(f, ge);
-// }
-
-AstNode *parse_for_stmt(AstFile *f) {
- if (f->curr_proc == NULL) {
- syntax_error(f->curr_token, "You cannot use a for statement in the file scope");
- return ast_bad_stmt(f, f->curr_token, f->curr_token);
- }
-
- Token token = expect_token(f, Token_for);
-
- AstNode *init = NULL;
- AstNode *cond = NULL;
- AstNode *post = NULL;
- AstNode *body = NULL;
- bool is_range = false;
-
- if (f->curr_token.kind != Token_OpenBrace) {
- isize prev_level = f->expr_level;
- f->expr_level = -1;
- if (f->curr_token.kind != Token_Semicolon) {
- cond = parse_simple_stmt(f, StmtAllowFlag_In);
- if (cond->kind == AstNode_AssignStmt && cond->AssignStmt.op.kind == Token_in) {
- is_range = true;
- }
- }
-
- if (!is_range && f->curr_token.kind == Token_Semicolon) {
- next_token(f);
- init = cond;
- cond = NULL;
- if (f->curr_token.kind != Token_Semicolon) {
- cond = parse_simple_stmt(f, StmtAllowFlag_None);
- }
- expect_semicolon(f, cond);
- if (f->curr_token.kind != Token_OpenBrace) {
- post = parse_simple_stmt(f, StmtAllowFlag_None);
- }
- }
-
- f->expr_level = prev_level;
- }
-
- body = parse_block_stmt(f, false);
-
- if (is_range) {
- GB_ASSERT(cond->kind == AstNode_AssignStmt);
- Token in_token = cond->AssignStmt.op;
- AstNode *value = NULL;
- AstNode *index = NULL;
- switch (cond->AssignStmt.lhs.count) {
- case 1:
- value = cond->AssignStmt.lhs.e[0];
- break;
- case 2:
- value = cond->AssignStmt.lhs.e[0];
- index = cond->AssignStmt.lhs.e[1];
- break;
- default:
- error_node(cond, "Expected at 1 or 2 identifiers");
- return ast_bad_stmt(f, token, f->curr_token);
- }
-
- AstNode *rhs = NULL;
- if (cond->AssignStmt.rhs.count > 0) {
- rhs = cond->AssignStmt.rhs.e[0];
- }
- return ast_range_stmt(f, token, value, index, in_token, rhs, body);
- }
-
- cond = convert_stmt_to_expr(f, cond, str_lit("boolean expression"));
- return ast_for_stmt(f, token, init, cond, post, body);
-}
-
-
-AstNode *parse_case_clause(AstFile *f, bool is_type) {
- Token token = f->curr_token;
- AstNodeArray list = make_ast_node_array(f);
- expect_token(f, Token_case);
- bool prev_allow_range = f->allow_range;
- f->allow_range = !is_type;
- if (f->curr_token.kind != Token_Colon) {
- list = parse_rhs_expr_list(f);
- }
- f->allow_range = prev_allow_range;
- expect_token(f, Token_Colon); // TODO(bill): Is this the best syntax?
- AstNodeArray stmts = parse_stmt_list(f);
-
- return ast_case_clause(f, token, list, stmts);
-}
-
-
-AstNode *parse_match_stmt(AstFile *f) {
- if (f->curr_proc == NULL) {
- syntax_error(f->curr_token, "You cannot use a match statement in the file scope");
- return ast_bad_stmt(f, f->curr_token, f->curr_token);
- }
-
- Token token = expect_token(f, Token_match);
- AstNode *init = NULL;
- AstNode *tag = NULL;
- AstNode *body = NULL;
- Token open, close;
- bool is_type_match = false;
- AstNodeArray list = make_ast_node_array(f);
-
- if (f->curr_token.kind != Token_OpenBrace) {
- isize prev_level = f->expr_level;
- f->expr_level = -1;
-
- tag = parse_simple_stmt(f, StmtAllowFlag_In);
- if (tag->kind == AstNode_AssignStmt && tag->AssignStmt.op.kind == Token_in) {
- is_type_match = true;
- } else {
- if (allow_token(f, Token_Semicolon)) {
- init = tag;
- tag = NULL;
- if (f->curr_token.kind != Token_OpenBrace) {
- tag = parse_simple_stmt(f, StmtAllowFlag_None);
- }
- }
- }
- f->expr_level = prev_level;
- }
- open = expect_token(f, Token_OpenBrace);
-
- while (f->curr_token.kind == Token_case) {
- array_add(&list, parse_case_clause(f, is_type_match));
- }
-
- close = expect_token(f, Token_CloseBrace);
-
- body = ast_block_stmt(f, list, open, close);
-
- if (!is_type_match) {
- tag = convert_stmt_to_expr(f, tag, str_lit("match expression"));
- return ast_match_stmt(f, token, init, tag, body);
- } else {
- return ast_type_match_stmt(f, token, tag, body);
- }
-}
-
-AstNode *parse_defer_stmt(AstFile *f) {
- if (f->curr_proc == NULL) {
- syntax_error(f->curr_token, "You cannot use a defer statement in the file scope");
- return ast_bad_stmt(f, f->curr_token, f->curr_token);
- }
-
- Token token = expect_token(f, Token_defer);
- AstNode *stmt = parse_stmt(f);
- switch (stmt->kind) {
- case AstNode_EmptyStmt:
- syntax_error(token, "Empty statement after defer (e.g. `;`)");
- break;
- case AstNode_DeferStmt:
- syntax_error(token, "You cannot defer a defer statement");
- stmt = stmt->DeferStmt.stmt;
- break;
- case AstNode_ReturnStmt:
- syntax_error(token, "You cannot a return statement");
- break;
- }
-
- return ast_defer_stmt(f, token, stmt);
-}
-
-AstNode *parse_asm_stmt(AstFile *f) {
- Token token = expect_token(f, Token_asm);
- bool is_volatile = false;
- Token open, close, code_string;
- open = expect_token(f, Token_OpenBrace);
- code_string = expect_token(f, Token_String);
- AstNode *output_list = NULL;
- AstNode *input_list = NULL;
- AstNode *clobber_list = NULL;
- isize output_count = 0;
- isize input_count = 0;
- isize clobber_count = 0;
-
- // TODO(bill): Finish asm statement and determine syntax
-
- // if (f->curr_token.kind != Token_CloseBrace) {
- // expect_token(f, Token_Colon);
- // }
-
- close = expect_token(f, Token_CloseBrace);
-
- return ast_asm_stmt(f, token, is_volatile, open, close, code_string,
- output_list, input_list, clobber_list,
- output_count, input_count, clobber_count);
-
-}
-
-
-AstNode *parse_stmt(AstFile *f) {
- AstNode *s = NULL;
- Token token = f->curr_token;
- switch (token.kind) {
- // Operands
- case Token_context:
- case Token_Ident:
- case Token_Integer:
- case Token_Float:
- case Token_Imag:
- case Token_Rune:
- case Token_String:
- case Token_OpenParen:
- case Token_Pointer:
- // Unary Operators
- case Token_Add:
- case Token_Sub:
- case Token_Xor:
- case Token_Not:
- case Token_And:
- s = parse_simple_stmt(f, StmtAllowFlag_Label);
- expect_semicolon(f, s);
- return s;
-
- case Token_if: return parse_if_stmt(f);
- case Token_when: return parse_when_stmt(f);
- case Token_for: return parse_for_stmt(f);
- case Token_match: return parse_match_stmt(f);
- case Token_defer: return parse_defer_stmt(f);
- case Token_asm: return parse_asm_stmt(f);
- case Token_return: return parse_return_stmt(f);
- // case Token_give: return parse_give_stmt(f);
-
- case Token_break:
- case Token_continue:
- case Token_fallthrough: {
- AstNode *label = NULL;
- next_token(f);
- if (token.kind != Token_fallthrough &&
- f->curr_token.kind == Token_Ident) {
- label = parse_ident(f);
- }
- s = ast_branch_stmt(f, token, label);
- expect_semicolon(f, s);
- return s;
- }
-
- case Token_using: {
- // TODO(bill): Make using statements better
- Token token = expect_token(f, Token_using);
- AstNodeArray list = parse_lhs_expr_list(f);
- if (list.count == 0) {
- syntax_error(token, "Illegal use of `using` statement");
- expect_semicolon(f, NULL);
- return ast_bad_stmt(f, token, f->curr_token);
- }
-
- if (f->curr_token.kind != Token_Colon) {
- expect_semicolon(f, list.e[list.count-1]);
- return ast_using_stmt(f, token, list);
- }
-
- AstNode *decl = parse_value_decl(f, list);
- expect_semicolon(f, decl);
-
- if (decl->kind == AstNode_ValueDecl) {
- #if 1
- if (!decl->ValueDecl.is_var) {
- syntax_error(token, "`using` may not be applied to constant declarations");
- return decl;
- }
- if (f->curr_proc == NULL) {
- syntax_error(token, "`using` is not allowed at the file scope");
- } else {
- decl->ValueDecl.flags |= VarDeclFlag_using;
- }
- #else
- decl->ValueDecl.flags |= VarDeclFlag_using;
- #endif
- return decl;
- }
-
- syntax_error(token, "Illegal use of `using` statement");
- return ast_bad_stmt(f, token, f->curr_token);
- } break;
-
-#if 1
- case Token_immutable: {
- Token token = expect_token(f, Token_immutable);
- AstNode *node = parse_stmt(f);
-
- if (node->kind == AstNode_ValueDecl) {
- if (!node->ValueDecl.is_var) {
- syntax_error(token, "`immutable` may not be applied to constant declarations");
- } else {
- node->ValueDecl.flags |= VarDeclFlag_immutable;
- }
- return node;
- }
- syntax_error(token, "`immutable` may only be applied to a variable declaration");
- return ast_bad_stmt(f, token, f->curr_token);
- } break;
-#endif
-
- case Token_push_allocator: {
- next_token(f);
- isize prev_level = f->expr_level;
- f->expr_level = -1;
- AstNode *expr = parse_expr(f, false);
- f->expr_level = prev_level;
-
- AstNode *body = parse_block_stmt(f, false);
- return ast_push_allocator(f, token, expr, body);
- } break;
-
- case Token_push_context: {
- next_token(f);
- isize prev_level = f->expr_level;
- f->expr_level = -1;
- AstNode *expr = parse_expr(f, false);
- f->expr_level = prev_level;
-
- AstNode *body = parse_block_stmt(f, false);
- return ast_push_context(f, token, expr, body);
- } break;
-
- case Token_Hash: {
- AstNode *s = NULL;
- Token hash_token = expect_token(f, Token_Hash);
- Token name = expect_token(f, Token_Ident);
- String tag = name.string;
-
- if (str_eq(tag, str_lit("import"))) {
- AstNode *cond = NULL;
- Token import_name = {0};
-
- switch (f->curr_token.kind) {
- case Token_Period:
- import_name = f->curr_token;
- import_name.kind = Token_Ident;
- next_token(f);
- break;
- case Token_Ident:
- import_name = f->curr_token;
- next_token(f);
- break;
- default:
- import_name.pos = f->curr_token.pos;
- break;
- }
-
- if (str_eq(import_name.string, str_lit("_"))) {
- syntax_error(import_name, "Illegal #import name: `_`");
- }
-
- Token file_path = expect_token_after(f, Token_String, "#import");
- if (allow_token(f, Token_when)) {
- cond = parse_expr(f, false);
- }
-
- AstNode *decl = NULL;
- if (f->curr_proc != NULL) {
- syntax_error(import_name, "You cannot use `#import` within a procedure. This must be done at the file scope");
- decl = ast_bad_decl(f, import_name, file_path);
- } else {
- decl = ast_import_decl(f, hash_token, true, file_path, import_name, cond);
- }
- expect_semicolon(f, decl);
- return decl;
- } else if (str_eq(tag, str_lit("load"))) {
- AstNode *cond = NULL;
- Token file_path = expect_token_after(f, Token_String, "#load");
- Token import_name = file_path;
- import_name.string = str_lit(".");
-
- if (allow_token(f, Token_when)) {
- cond = parse_expr(f, false);
- }
-
- AstNode *decl = NULL;
- if (f->curr_proc != NULL) {
- syntax_error(import_name, "You cannot use `#load` within a procedure. This must be done at the file scope");
- decl = ast_bad_decl(f, import_name, file_path);
- } else {
- decl = ast_import_decl(f, hash_token, false, file_path, import_name, cond);
- }
- expect_semicolon(f, decl);
- return decl;
- } else if (str_eq(tag, str_lit("shared_global_scope"))) {
- if (f->curr_proc == NULL) {
- f->is_global_scope = true;
- s = ast_empty_stmt(f, f->curr_token);
- } else {
- syntax_error(token, "You cannot use #shared_global_scope within a procedure. This must be done at the file scope");
- s = ast_bad_decl(f, token, f->curr_token);
- }
- expect_semicolon(f, s);
- return s;
- } else if (str_eq(tag, str_lit("foreign_system_library"))) {
- AstNode *cond = NULL;
- Token lib_name = {0};
-
- switch (f->curr_token.kind) {
- case Token_Ident:
- lib_name = f->curr_token;
- next_token(f);
- break;
- default:
- lib_name.pos = f->curr_token.pos;
- break;
- }
-
- if (str_eq(lib_name.string, str_lit("_"))) {
- syntax_error(lib_name, "Illegal #foreign_library name: `_`");
- }
- Token file_path = expect_token(f, Token_String);
-
- if (allow_token(f, Token_when)) {
- cond = parse_expr(f, false);
- }
-
- if (f->curr_proc == NULL) {
- s = ast_foreign_library(f, hash_token, file_path, lib_name, cond, true);
- } else {
- syntax_error(token, "You cannot use #foreign_system_library within a procedure. This must be done at the file scope");
- s = ast_bad_decl(f, token, file_path);
- }
- expect_semicolon(f, s);
- return s;
- } else if (str_eq(tag, str_lit("foreign_library"))) {
- AstNode *cond = NULL;
- Token lib_name = {0};
-
- switch (f->curr_token.kind) {
- case Token_Ident:
- lib_name = f->curr_token;
- next_token(f);
- break;
- default:
- lib_name.pos = f->curr_token.pos;
- break;
- }
-
- if (str_eq(lib_name.string, str_lit("_"))) {
- syntax_error(lib_name, "Illegal #foreign_library name: `_`");
- }
- Token file_path = expect_token(f, Token_String);
-
- if (allow_token(f, Token_when)) {
- cond = parse_expr(f, false);
- }
-
- if (f->curr_proc == NULL) {
- s = ast_foreign_library(f, hash_token, file_path, lib_name, cond, false);
- } else {
- syntax_error(token, "You cannot use #foreign_library within a procedure. This must be done at the file scope");
- s = ast_bad_decl(f, token, file_path);
- }
- expect_semicolon(f, s);
- return s;
- } else if (str_eq(tag, str_lit("thread_local"))) {
- AstNode *s = parse_stmt(f);
-
- if (s->kind == AstNode_ValueDecl) {
- if (!s->ValueDecl.is_var) {
- syntax_error(token, "`thread_local` may not be applied to constant declarations");
- }
- if (f->curr_proc != NULL) {
- syntax_error(token, "`thread_local` is only allowed at the file scope");
- } else {
- s->ValueDecl.flags |= VarDeclFlag_thread_local;
- }
- return s;
- }
- syntax_error(token, "`thread_local` may only be applied to a variable declaration");
- return ast_bad_stmt(f, token, f->curr_token);
- } else if (str_eq(tag, str_lit("bounds_check"))) {
- s = parse_stmt(f);
- s->stmt_state_flags |= StmtStateFlag_bounds_check;
- if ((s->stmt_state_flags & StmtStateFlag_no_bounds_check) != 0) {
- syntax_error(token, "#bounds_check and #no_bounds_check cannot be applied together");
- }
- return s;
- } else if (str_eq(tag, str_lit("no_bounds_check"))) {
- s = parse_stmt(f);
- s->stmt_state_flags |= StmtStateFlag_no_bounds_check;
- if ((s->stmt_state_flags & StmtStateFlag_bounds_check) != 0) {
- syntax_error(token, "#bounds_check and #no_bounds_check cannot be applied together");
- }
- return s;
- }
-
- if (str_eq(tag, str_lit("include"))) {
- syntax_error(token, "#include is not a valid import declaration kind. Use #load instead");
- s = ast_bad_stmt(f, token, f->curr_token);
- } else {
- syntax_error(token, "Unknown tag directive used: `%.*s`", LIT(tag));
- s = ast_bad_stmt(f, token, f->curr_token);
- }
-
- fix_advance_to_next_stmt(f);
-
- return s;
- } break;
-
- case Token_OpenBrace:
- return parse_block_stmt(f, false);
-
- case Token_Semicolon:
- s = ast_empty_stmt(f, token);
- next_token(f);
- return s;
- }
-
- syntax_error(token,
- "Expected a statement, got `%.*s`",
- LIT(token_strings[token.kind]));
- fix_advance_to_next_stmt(f);
- return ast_bad_stmt(f, token, f->curr_token);
-}
-
-AstNodeArray parse_stmt_list(AstFile *f) {
- AstNodeArray list = make_ast_node_array(f);
-
- while (f->curr_token.kind != Token_case &&
- f->curr_token.kind != Token_CloseBrace &&
- f->curr_token.kind != Token_EOF) {
- AstNode *stmt = parse_stmt(f);
- if (stmt && stmt->kind != AstNode_EmptyStmt) {
- array_add(&list, stmt);
- if (stmt->kind == AstNode_ExprStmt &&
- stmt->ExprStmt.expr != NULL &&
- stmt->ExprStmt.expr->kind == AstNode_ProcLit) {
- syntax_error_node(stmt, "Procedure literal evaluated but not used");
- }
- }
- }
-
- return list;
-}
-
-
-ParseFileError init_ast_file(AstFile *f, String fullpath) {
- fullpath = string_trim_whitespace(fullpath); // Just in case
- if (!string_has_extension(fullpath, str_lit("odin"))) {
- return ParseFile_WrongExtension;
- }
- TokenizerInitError err = init_tokenizer(&f->tokenizer, fullpath);
- if (err == TokenizerInit_None) {
- array_init(&f->tokens, heap_allocator());
- {
- for (;;) {
- Token token = tokenizer_get_token(&f->tokenizer);
- if (token.kind == Token_Invalid) {
- return ParseFile_InvalidToken;
- }
- array_add(&f->tokens, token);
-
- if (token.kind == Token_EOF) {
- break;
- }
- }
- }
-
- f->curr_token_index = 0;
- f->prev_token = f->tokens.e[f->curr_token_index];
- f->curr_token = f->tokens.e[f->curr_token_index];
-
- // NOTE(bill): Is this big enough or too small?
- isize arena_size = gb_size_of(AstNode);
- arena_size *= 2*f->tokens.count;
- gb_arena_init_from_allocator(&f->arena, heap_allocator(), arena_size);
-
- f->curr_proc = NULL;
-
- return ParseFile_None;
- }
-
- switch (err) {
- case TokenizerInit_NotExists:
- return ParseFile_NotFound;
- case TokenizerInit_Permission:
- return ParseFile_Permission;
- case TokenizerInit_Empty:
- return ParseFile_EmptyFile;
- }
-
- return ParseFile_InvalidFile;
-}
-
-void destroy_ast_file(AstFile *f) {
- gb_arena_free(&f->arena);
- array_free(&f->tokens);
- gb_free(heap_allocator(), f->tokenizer.fullpath.text);
- destroy_tokenizer(&f->tokenizer);
-}
-
-bool init_parser(Parser *p) {
- array_init(&p->files, heap_allocator());
- array_init(&p->imports, heap_allocator());
- gb_mutex_init(&p->mutex);
- return true;
-}
-
-void destroy_parser(Parser *p) {
- // TODO(bill): Fix memory leak
- for_array(i, p->files) {
- destroy_ast_file(&p->files.e[i]);
- }
-#if 0
- for_array(i, p->imports) {
- // gb_free(heap_allocator(), p->imports[i].text);
- }
-#endif
- array_free(&p->files);
- array_free(&p->imports);
- gb_mutex_destroy(&p->mutex);
-}
-
-// NOTE(bill): Returns true if it's added
-bool try_add_import_path(Parser *p, String path, String rel_path, TokenPos pos) {
- gb_mutex_lock(&p->mutex);
-
- path = string_trim_whitespace(path);
- rel_path = string_trim_whitespace(rel_path);
-
- for_array(i, p->imports) {
- String import = p->imports.e[i].path;
- if (str_eq(import, path)) {
- return false;
- }
- }
-
- ImportedFile item;
- item.path = path;
- item.rel_path = rel_path;
- item.pos = pos;
- array_add(&p->imports, item);
-
- gb_mutex_unlock(&p->mutex);
-
- return true;
-}
-
-gb_global Rune illegal_import_runes[] = {
- '"', '\'', '`', ' ', '\t', '\r', '\n', '\v', '\f',
- '\\', // NOTE(bill): Disallow windows style filepaths
- '!', '$', '%', '^', '&', '*', '(', ')', '=', '+',
- '[', ']', '{', '}',
- ';', ':', '#',
- '|', ',', '<', '>', '?',
-};
-
-bool is_import_path_valid(String path) {
- if (path.len > 0) {
- u8 *start = path.text;
- u8 *end = path.text + path.len;
- u8 *curr = start;
- while (curr < end) {
- isize width = 1;
- Rune r = curr[0];
- if (r >= 0x80) {
- width = gb_utf8_decode(curr, end-curr, &r);
- if (r == GB_RUNE_INVALID && width == 1) {
- return false;
- }
- else if (r == GB_RUNE_BOM && curr-start > 0) {
- return false;
- }
- }
-
- for (isize i = 0; i < gb_count_of(illegal_import_runes); i++) {
- if (r == illegal_import_runes[i]) {
- return false;
- }
- }
-
- curr += width;
- }
-
- return true;
- }
- return false;
-}
-
-void parse_setup_file_decls(Parser *p, AstFile *f, String base_dir, AstNodeArray decls) {
- for_array(i, decls) {
- AstNode *node = decls.e[i];
- if (!is_ast_node_decl(node) &&
- node->kind != AstNode_BadStmt &&
- node->kind != AstNode_EmptyStmt) {
- // NOTE(bill): Sanity check
- syntax_error_node(node, "Only declarations are allowed at file scope %.*s", LIT(ast_node_strings[node->kind]));
- } else if (node->kind == AstNode_ImportDecl) {
- ast_node(id, ImportDecl, node);
- String collection_name = {0};
- String oirignal_string = id->relpath.string;
- String file_str = id->relpath.string;
- gbAllocator allocator = heap_allocator(); // TODO(bill): Change this allocator
- String import_file = {0};
-
- #if 0
- isize colon_pos = -1;
- for (isize j = 0; j < file_str.len; j++) {
- if (file_str.text[j] == ':') {
- colon_pos = j;
- break;
- }
- }
- if (colon_pos > 0) {
- collection_name = make_string(file_str.text, colon_pos);
- file_str.text += colon_pos+1;
- file_str.len -= colon_pos+1;
- }
-
- if (collection_name.len == 0) {
- syntax_error_node(node, "Missing import collection for path: `%.*s`", LIT(oirignal_string));
- decls.e[i] = ast_bad_decl(f, id->relpath, id->relpath);
- continue;
- }
-
-
- if (str_eq(collection_name, str_lit("core"))) {
- String abs_path = get_fullpath_core(allocator, file_str);
- if (gb_file_exists(cast(char *)abs_path.text)) { // NOTE(bill): This should be null terminated
- import_file = abs_path;
- }
- } else if (str_eq(collection_name, str_lit("local"))) {
- String rel_path = get_fullpath_relative(allocator, base_dir, file_str);
- if (gb_file_exists(cast(char *)rel_path.text)) { // NOTE(bill): This should be null terminated
- import_file = rel_path;
- }
- } else {
- syntax_error_node(node, "Unknown import collection: `%.*s`", LIT(collection_name));
- decls.e[i] = ast_bad_decl(f, id->relpath, id->relpath);
- continue;
- }
-
- if (!is_import_path_valid(file_str)) {
- if (id->is_import) {
- syntax_error_node(node, "Invalid import path: `%.*s`", LIT(file_str));
- } else {
- syntax_error_node(node, "Invalid include path: `%.*s`", LIT(file_str));
- }
- // NOTE(bill): It's a naughty name
- decls.e[i] = ast_bad_decl(f, id->relpath, id->relpath);
- continue;
- }
-
- #else
- if (!is_import_path_valid(file_str)) {
- if (id->is_import) {
- syntax_error_node(node, "Invalid import path: `%.*s`", LIT(file_str));
- } else {
- syntax_error_node(node, "Invalid include path: `%.*s`", LIT(file_str));
- }
- // NOTE(bill): It's a naughty name
- decls.e[i] = ast_bad_decl(f, id->relpath, id->relpath);
- continue;
- }
-
-
- String rel_path = get_fullpath_relative(allocator, base_dir, file_str);
- import_file = rel_path;
- if (!gb_file_exists(cast(char *)rel_path.text)) { // NOTE(bill): This should be null terminated
- String abs_path = get_fullpath_core(allocator, file_str);
- if (gb_file_exists(cast(char *)abs_path.text)) {
- import_file = abs_path;
- }
- }
- #endif
-
- id->fullpath = import_file;
- try_add_import_path(p, import_file, file_str, ast_node_token(node).pos);
- } else if (node->kind == AstNode_ForeignLibrary) {
- AstNodeForeignLibrary *fl = &node->ForeignLibrary;
- String file_str = fl->filepath.string;
-
- if (!is_import_path_valid(file_str)) {
- if (fl->is_system) {
- syntax_error_node(node, "Invalid `foreign_system_library` path");
- } else {
- syntax_error_node(node, "Invalid `foreign_library` path");
- }
- // NOTE(bill): It's a naughty name
- f->decls.e[i] = ast_bad_decl(f, fl->token, fl->token);
- continue;
- }
-
- fl->base_dir = base_dir;
- }
- }
-}
-
-void parse_file(Parser *p, AstFile *f) {
- String filepath = f->tokenizer.fullpath;
- String base_dir = filepath;
- for (isize i = filepath.len-1; i >= 0; i--) {
- if (base_dir.text[i] == '\\' ||
- base_dir.text[i] == '/') {
- break;
- }
- base_dir.len--;
- }
-
- while (f->curr_token.kind == Token_Comment) {
- next_token(f);
- }
-
- f->decls = parse_stmt_list(f);
- parse_setup_file_decls(p, f, base_dir, f->decls);
-}
-
-
-
-ParseFileError parse_files(Parser *p, char *init_filename) {
- char *fullpath_str = gb_path_get_full_name(heap_allocator(), init_filename);
- String init_fullpath = make_string_c(fullpath_str);
- TokenPos init_pos = {0};
- ImportedFile init_imported_file = {init_fullpath, init_fullpath, init_pos};
-
-
- {
- String s = get_fullpath_core(heap_allocator(), str_lit("_preload.odin"));
- ImportedFile runtime_file = {s, s, init_pos};
- array_add(&p->imports, runtime_file);
- }
- {
- String s = get_fullpath_core(heap_allocator(), str_lit("_soft_numbers.odin"));
- ImportedFile runtime_file = {s, s, init_pos};
- array_add(&p->imports, runtime_file);
- }
-
- array_add(&p->imports, init_imported_file);
- p->init_fullpath = init_fullpath;
-
- for_array(i, p->imports) {
- ImportedFile imported_file = p->imports.e[i];
- String import_path = imported_file.path;
- String import_rel_path = imported_file.rel_path;
- TokenPos pos = imported_file.pos;
- AstFile file = {0};
-
- ParseFileError err = init_ast_file(&file, import_path);
-
- if (err != ParseFile_None) {
- if (err == ParseFile_EmptyFile) {
- if (str_eq(import_path, init_fullpath)) {
- gb_printf_err("Initial file is empty - %.*s\n", LIT(init_fullpath));
- gb_exit(1);
- }
- return ParseFile_None;
- }
-
- if (pos.line != 0) {
- gb_printf_err("%.*s(%td:%td) ", LIT(pos.file), pos.line, pos.column);
- }
- gb_printf_err("Failed to parse file: %.*s\n\t", LIT(import_rel_path));
- switch (err) {
- case ParseFile_WrongExtension:
- gb_printf_err("Invalid file extension: File must have the extension `.odin`");
- break;
- case ParseFile_InvalidFile:
- gb_printf_err("Invalid file or cannot be found");
- break;
- case ParseFile_Permission:
- gb_printf_err("File permissions problem");
- break;
- case ParseFile_NotFound:
- gb_printf_err("File cannot be found (`%.*s`)", LIT(import_path));
- break;
- case ParseFile_InvalidToken:
- gb_printf_err("Invalid token found in file");
- break;
- }
- gb_printf_err("\n");
- return err;
- }
- parse_file(p, &file);
-
- {
- gb_mutex_lock(&p->mutex);
- file.id = p->files.count;
- array_add(&p->files, file);
- p->total_line_count += file.tokenizer.line_count;
- gb_mutex_unlock(&p->mutex);
- }
- }
-
- for_array(i, p->files) {
- p->total_token_count += p->files.e[i].tokens.count;
- }
-
-
- return ParseFile_None;
-}
-
-