diff options
Diffstat (limited to 'src/parser.cpp')
| -rw-r--r-- | src/parser.cpp | 132 |
1 files changed, 77 insertions, 55 deletions
diff --git a/src/parser.cpp b/src/parser.cpp index 0914c77ca..f70afe346 100644 --- a/src/parser.cpp +++ b/src/parser.cpp @@ -57,6 +57,9 @@ isize ast_node_size(AstKind kind) { return align_formula_isize(gb_size_of(AstCommonStuff) + ast_variant_sizes[kind], gb_align_of(void *)); } + +gb_global std::atomic<isize> global_total_node_memory_allocated; + // NOTE(bill): And this below is why is I/we need a new language! Discriminated unions are a pain in C/C++ Ast *alloc_ast_node(AstFile *f, AstKind kind) { gbAllocator a = ast_allocator(f); @@ -66,6 +69,9 @@ Ast *alloc_ast_node(AstFile *f, AstKind kind) { Ast *node = cast(Ast *)gb_alloc(a, size); node->kind = kind; node->file_id = f ? f->id : 0; + + global_total_node_memory_allocated += size; + return node; } @@ -3009,64 +3015,62 @@ i32 token_precedence(AstFile *f, TokenKind t) { Ast *parse_binary_expr(AstFile *f, bool lhs, i32 prec_in) { Ast *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; + for (;;) { + Token op = f->curr_token; + i32 op_prec = token_precedence(f, op.kind); + if (op_prec < prec_in) { + // NOTE(bill): This will also catch operators that are not valid "binary" operators + break; + } + Token prev = f->prev_token; + switch (op.kind) { + case Token_if: + case Token_when: + if (prev.pos.line < op.pos.line) { + // NOTE(bill): Check to see if the `if` or `when` is on the same line of the `lhs` condition + goto loop_end; } - Token prev = f->prev_token; + break; + } + expect_operator(f); // NOTE(bill): error checks too + + if (op.kind == Token_Question) { + Ast *cond = expr; + // Token_Question + Ast *x = parse_expr(f, lhs); + Token token_c = expect_token(f, Token_Colon); + Ast *y = parse_expr(f, lhs); + expr = ast_ternary_if_expr(f, x, cond, y); + } else if (op.kind == Token_if || op.kind == Token_when) { + Ast *x = expr; + Ast *cond = parse_expr(f, lhs); + Token tok_else = expect_token(f, Token_else); + Ast *y = parse_expr(f, lhs); + switch (op.kind) { case Token_if: + expr = ast_ternary_if_expr(f, x, cond, y); + break; case Token_when: - if (prev.pos.line < op.pos.line) { - // NOTE(bill): Check to see if the `if` or `when` is on the same line of the `lhs` condition - goto loop_end; - } + expr = ast_ternary_when_expr(f, x, cond, y); break; } - expect_operator(f); // NOTE(bill): error checks too - - if (op.kind == Token_Question) { - Ast *cond = expr; - // Token_Question - Ast *x = parse_expr(f, lhs); - Token token_c = expect_token(f, Token_Colon); - Ast *y = parse_expr(f, lhs); - expr = ast_ternary_if_expr(f, x, cond, y); - } else if (op.kind == Token_if || op.kind == Token_when) { - Ast *x = expr; - Ast *cond = parse_expr(f, lhs); - Token tok_else = expect_token(f, Token_else); - Ast *y = parse_expr(f, lhs); - - switch (op.kind) { - case Token_if: - expr = ast_ternary_if_expr(f, x, cond, y); - break; - case Token_when: - expr = ast_ternary_when_expr(f, x, cond, y); - break; - } + } else { + Ast *right = parse_binary_expr(f, false, op_prec+1); + if (right == nullptr) { + syntax_error(op, "Expected expression on the right-hand side of the binary operator '%.*s'", LIT(op.string)); + } + if (op.kind == Token_or_else) { + // NOTE(bill): easier to handle its logic different with its own AST kind + expr = ast_or_else_expr(f, expr, op, right); } else { - Ast *right = parse_binary_expr(f, false, prec+1); - if (right == nullptr) { - syntax_error(op, "Expected expression on the right-hand side of the binary operator '%.*s'", LIT(op.string)); - } - if (op.kind == Token_or_else) { - // NOTE(bill): easier to handle its logic different with its own AST kind - expr = ast_or_else_expr(f, expr, op, right); - } else { - expr = ast_binary_expr(f, op, expr, right); - } + expr = ast_binary_expr(f, op, expr, right); } - - lhs = false; } - loop_end:; + + lhs = false; } + loop_end:; return expr; } @@ -3412,12 +3416,18 @@ ProcCallingConvention string_to_calling_convention(String s) { if (s == "fast") return ProcCC_FastCall; if (s == "none") return ProcCC_None; if (s == "naked") return ProcCC_Naked; + + if (s == "win64") return ProcCC_Win64; + if (s == "sysv") return ProcCC_SysV; + if (s == "system") { if (build_context.metrics.os == TargetOs_windows) { return ProcCC_StdCall; } return ProcCC_CDecl; } + + return ProcCC_Invalid; } @@ -3504,12 +3514,13 @@ enum FieldPrefixKind : i32 { FieldPrefix_Unknown = -1, FieldPrefix_Invalid = 0, - FieldPrefix_using, + FieldPrefix_using, // implies #subtype FieldPrefix_const, FieldPrefix_no_alias, FieldPrefix_c_vararg, FieldPrefix_auto_cast, FieldPrefix_any_int, + FieldPrefix_subtype, // does not imply `using` semantics }; struct ParseFieldPrefixMapping { @@ -3526,6 +3537,7 @@ gb_global ParseFieldPrefixMapping parse_field_prefix_mappings[] = { {str_lit("c_vararg"), Token_Hash, FieldPrefix_c_vararg, FieldFlag_c_vararg}, {str_lit("const"), Token_Hash, FieldPrefix_const, FieldFlag_const}, {str_lit("any_int"), Token_Hash, FieldPrefix_any_int, FieldFlag_any_int}, + {str_lit("subtype"), Token_Hash, FieldPrefix_subtype, FieldFlag_subtype}, }; @@ -4843,12 +4855,6 @@ ParseFileError init_ast_file(AstFile *f, String fullpath, TokenPos *err_pos) { f->prev_token = f->tokens[f->prev_token_index]; f->curr_token = f->tokens[f->curr_token_index]; - isize const page_size = 4*1024; - isize block_size = 2*f->tokens.count*gb_size_of(Ast); - block_size = ((block_size + page_size-1)/page_size) * page_size; - block_size = gb_clamp(block_size, page_size, DEFAULT_MINIMUM_BLOCK_SIZE); - f->arena.minimum_block_size = block_size; - array_init(&f->comments, heap_allocator(), 0, 0); array_init(&f->imports, heap_allocator(), 0, 0); @@ -5713,6 +5719,22 @@ ParseFileError parse_packages(Parser *p, String init_filename) { error_line("Expected either a directory or a .odin file, got '%.*s'\n", LIT(init_filename)); return ParseFile_WrongExtension; } + } else if (init_fullpath.len != 0) { + String path = init_fullpath; + if (path[path.len-1] == '/') { + path.len -= 1; + } + if ((build_context.command_kind & Command__does_build) && + build_context.build_mode == BuildMode_Executable) { + String short_path = filename_from_path(path); + char *cpath = alloc_cstring(heap_allocator(), short_path); + defer (gb_free(heap_allocator(), cpath)); + + if (gb_file_exists(cpath)) { + error_line("Please specify the executable name with -out:<string> as a directory exists with the same name in the current working directory"); + return ParseFile_DirectoryAlreadyExists; + } + } } |