Fix `else do`

4 files changed, 105 insertions, 77 deletions

diff --git a/src/check_expr.cpp b/src/check_expr.cpp
index d69fcb6c7..da3967805 100644
--- a/src/check_expr.cpp
+++ b/src/check_expr.cpp
@@ -1384,6 +1384,39 @@ bool is_polymorphic_type_assignable(Checker *c, Type *poly, Type *source, bool c
 	case Type_Proc:
 		if (source->kind == Type_Proc) {
 			// TODO(bill): Polymorphic type assignment
+			#if 0
+			TypeProc *x = &poly->Proc;
+			TypeProc *y = &source->Proc;
+			if (x->calling_convention != y->calling_convention) {
+				return false;
+			}
+			if (x->c_vararg != y->c_vararg) {
+				return false;
+			}
+			if (x->variadic != y->variadic) {
+				return false;
+			}
+			if (x->param_count != y->param_count) {
+				return false;
+			}
+			if (x->result_count != y->result_count) {
+				return false;
+			}
+			for (isize i = 0; i < x->param_count; i++) {
+				Entity *a = x->params->Tuple.variables[i];
+				Entity *b = y->params->Tuple.variables[i];
+				bool ok = is_polymorphic_type_assignable(c, a->type, b->type, false, modify_type);
+				if (!ok) return false;
+			}
+			for (isize i = 0; i < x->result_count; i++) {
+				Entity *a = x->results->Tuple.variables[i];
+				Entity *b = y->results->Tuple.variables[i];
+				bool ok = is_polymorphic_type_assignable(c, a->type, b->type, false, modify_type);
+				if (!ok) return false;
+			}
+			// TODO(bill): Polymorphic type assignment
+			return true;
+			#endif
 		}
 		return false;
 	case Type_Map:
@@ -6735,6 +6768,10 @@ ExprKind check_expr_base_internal(Checker *c, Operand *o, AstNode *node, Type *t
 		} break;
 
 		default: {
+			if (cl->elems.count == 0) {
+				break; // NOTE(bill): No need to init
+			}
+
 			gbString str = type_to_string(type);
 			error(node, "Invalid compound literal type `%s`", str);
 			gb_string_free(str);
diff --git a/src/main.cpp b/src/main.cpp
index 150516345..a6590956d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -330,18 +330,38 @@ bool parse_build_flags(Array<String> args) {
 
 
 void show_timings(Checker *c, Timings *t) {
-	Parser *p = c->parser;
-	timings_print_all(t);
-	gb_printf("\n");
-	gb_printf("Total lines:  %td\n", p->total_line_count);
-	gb_printf("Lines/s:      %.3f\n", cast(f64)p->total_line_count/t->total_time_seconds);
-	gb_printf("us/Line:      %.3f\n", 1.0e6*t->total_time_seconds/cast(f64)p->total_line_count);
-	gb_printf("\n");
-	gb_printf("Total tokens: %td\n", p->total_token_count);
-	gb_printf("Tokens/s:     %.3f\n", cast(f64)p->total_token_count/t->total_time_seconds);
-	gb_printf("us/Token:     %.3f\n\n", 1.0e6*t->total_time_seconds/cast(f64)p->total_token_count);
-	gb_printf("\n");
-
+	Parser *p    = c->parser;
+	isize lines  = p->total_line_count;
+	isize tokens = p->total_token_count;
+	isize files  = p->files.count;
+	{
+		timings_print_all(t);
+		gb_printf("\n");
+		gb_printf("Total Lines  - %td\n", lines);
+		gb_printf("Total Tokens - %td\n", tokens);
+		gb_printf("Total Files  - %td\n", files);
+		gb_printf("\n");
+	}
+	{
+		TimeStamp ts = t->sections[0];
+		GB_ASSERT(ts.label == "parse files");
+		f64 parse_time = time_stamp_as_second(ts, t->freq);
+		gb_printf("Parse pass\n");
+		gb_printf("LOC/s        - %.3f\n", cast(f64)lines/parse_time);
+		gb_printf("us/LOC       - %.3f\n", 1.0e6*parse_time/cast(f64)lines);
+		gb_printf("Tokens/s     - %.3f\n", cast(f64)tokens/parse_time);
+		gb_printf("us/Token     - %.3f\n", 1.0e6*parse_time/cast(f64)tokens);
+		gb_printf("\n");
+	}
+	{
+		f64 total_time = t->total_time_seconds;
+		gb_printf("Total pass\n");
+		gb_printf("LOC/s        - %.3f\n", cast(f64)lines/total_time);
+		gb_printf("us/LOC       - %.3f\n", 1.0e6*total_time/cast(f64)lines);
+		gb_printf("Tokens/s     - %.3f\n", cast(f64)tokens/total_time);
+		gb_printf("us/Token     - %.3f\n", 1.0e6*total_time/cast(f64)tokens);
+		gb_printf("\n");
+	}
 }
 
 int main(int arg_count, char **arg_ptr) {
diff --git a/src/parser.cpp b/src/parser.cpp
index 6a732ba6f..b52fb21b7 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -114,9 +114,8 @@ enum FieldFlag {
 	FieldFlag_using     = 1<<1,
 	FieldFlag_no_alias  = 1<<2,
 	FieldFlag_c_vararg  = 1<<3,
-	FieldFlag_dollar    = 1<<4,
 
-	FieldFlag_Signature = FieldFlag_ellipsis|FieldFlag_using|FieldFlag_no_alias|FieldFlag_c_vararg|FieldFlag_dollar,
+	FieldFlag_Signature = FieldFlag_ellipsis|FieldFlag_using|FieldFlag_no_alias|FieldFlag_c_vararg,
 };
 
 enum StmtAllowFlag {
@@ -2181,6 +2180,19 @@ AstNode *convert_stmt_to_expr(AstFile *f, AstNode *statement, String kind) {
 	return ast_bad_expr(f, f->curr_token, end);
 }
 
+AstNode *convert_stmt_to_body(AstFile *f, AstNode *stmt) {
+	if (stmt->kind == AstNode_BlockStmt) {
+		syntax_error(stmt, "Expected a normal statement rather than a block statement");
+		return stmt;
+	}
+	GB_ASSERT(is_ast_node_stmt(stmt));
+	Token open = ast_node_token(stmt);
+	Token close = ast_node_token(stmt);
+	Array<AstNode *> stmts = make_ast_node_array(f, 1);
+	array_add(&stmts, stmt);
+	return ast_block_stmt(f, stmts, open, close);
+}
+
 
 
 AstNode *parse_operand(AstFile *f, bool lhs) {
@@ -2304,16 +2316,7 @@ AstNode *parse_operand(AstFile *f, bool lhs) {
 			AstNode *curr_proc = f->curr_proc;
 			AstNode *body = nullptr;
 			f->curr_proc = type;
-			body = parse_stmt(f);
-			if (body->kind == AstNode_BlockStmt) {
-				syntax_error(body, "Expected a normal statement rather than a block statement");
-			} else {
-				Token open = ast_node_token(body);
-				Token close = ast_node_token(body);
-				Array<AstNode *> stmts = make_ast_node_array(f, 1);
-				array_add(&stmts, body);
-				body = ast_block_stmt(f, stmts, open, close);
-			}
+			body = convert_stmt_to_body(f, parse_stmt(f));
 			f->curr_proc = curr_proc;
 
 			return ast_proc_lit(f, type, body, tags, link_name);
@@ -3184,12 +3187,9 @@ AstNode *parse_proc_type(AstFile *f, Token proc_token, String *link_name_) {
 	for_array(i, params->FieldList.list) {
 		AstNode *param = params->FieldList.list[i];
 		ast_node(f, Field, param);
-		if (f->flags&FieldFlag_dollar) {
-			is_generic = true;
-			break;
-		}
 		if (f->type != nullptr &&
-		    f->type->kind == AstNode_TypeType) {
+		    (f->type->kind == AstNode_TypeType ||
+		     f->type->kind == AstNode_PolyType)) {
 			is_generic = true;
 			break;
 		}
@@ -3232,7 +3232,6 @@ enum FieldPrefixKind {
 	FieldPrefix_Using,
 	FieldPrefix_NoAlias,
 	FieldPrefix_CVarArg,
-	FieldPrefix_Dollar,
 };
 
 FieldPrefixKind is_token_field_prefix(AstFile *f) {
@@ -3243,9 +3242,6 @@ FieldPrefixKind is_token_field_prefix(AstFile *f) {
 	case Token_using:
 		return FieldPrefix_Using;
 
-	case Token_Dollar:
-		return FieldPrefix_Dollar;
-
 	case Token_Hash: {
 		next_token(f);
 		switch (f->curr_token.kind) {
@@ -3268,7 +3264,6 @@ u32 parse_field_prefixes(AstFile *f) {
 	i32 using_count    = 0;
 	i32 no_alias_count = 0;
 	i32 c_vararg_count = 0;
-	i32 dollar_count   = 0;
 
 	for (;;) {
 		FieldPrefixKind kind = is_token_field_prefix(f);
@@ -3279,20 +3274,17 @@ u32 parse_field_prefixes(AstFile *f) {
 		case FieldPrefix_Using:     using_count    += 1; next_token(f); break;
 		case FieldPrefix_NoAlias:   no_alias_count += 1; next_token(f); break;
 		case FieldPrefix_CVarArg:   c_vararg_count += 1; next_token(f); break;
-		case FieldPrefix_Dollar:    dollar_count   += 1; next_token(f); break;
 		}
 	}
 	if (using_count     > 1) syntax_error(f->curr_token, "Multiple `using` in this field list");
 	if (no_alias_count  > 1) syntax_error(f->curr_token, "Multiple `#no_alias` in this field list");
 	if (c_vararg_count  > 1) syntax_error(f->curr_token, "Multiple `#c_vararg` in this field list");
-	if (dollar_count    > 1) syntax_error(f->curr_token, "Multiple `$` 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 (c_vararg_count  > 0) field_flags |= FieldFlag_c_vararg;
-	if (dollar_count    > 0) field_flags |= FieldFlag_dollar;
 	return field_flags;
 }
 
@@ -3314,12 +3306,6 @@ u32 check_field_prefixes(AstFile *f, isize name_count, u32 allowed_flags, u32 se
 		syntax_error(f->curr_token, "`#c_vararg` is not allowed within this field list");
 		set_flags &= ~FieldFlag_c_vararg;
 	}
-	// if ((allowed_flags&FieldFlag_dollar) == 0 && (set_flags&FieldFlag_dollar)) {
-	if ((set_flags&FieldFlag_dollar)) {
-		// syntax_error(f->curr_token, "`$` is only allowed within procedures");
-		syntax_error(f->curr_token, "`$` is not yet supported");
-		set_flags &= ~FieldFlag_dollar;
-	}
 	return set_flags;
 }
 
@@ -3806,6 +3792,7 @@ AstNode *parse_type_or_ident(AstFile *f) {
 }
 
 
+
 AstNode *parse_body(AstFile *f) {
 	Array<AstNode *> stmts = {};
 	Token open, close;
@@ -3855,10 +3842,7 @@ AstNode *parse_if_stmt(AstFile *f) {
 	}
 
 	if (allow_token(f, Token_do)) {
-		body = parse_stmt(f);
-		if (body->kind == AstNode_BlockStmt) {
-			syntax_error(body, "Expected a normal statement rather than a block statement");
-		}
+		body = convert_stmt_to_body(f, parse_stmt(f));
 	} else {
 		body = parse_block_stmt(f, false);
 	}
@@ -3873,10 +3857,7 @@ AstNode *parse_if_stmt(AstFile *f) {
 			break;
 		case Token_do: {
 			Token arrow = expect_token(f, Token_do);
-			body = parse_stmt(f);
-			if (body->kind == AstNode_BlockStmt) {
-				syntax_error(body, "Expected a normal statement rather than a block statement");
-			}
+			else_stmt = convert_stmt_to_body(f, parse_stmt(f));
 		} break;
 		default:
 			syntax_error(f->curr_token, "Expected if statement block statement");
@@ -3906,10 +3887,7 @@ AstNode *parse_when_stmt(AstFile *f) {
 	}
 
 	if (allow_token(f, Token_do)) {
-		body = parse_stmt(f);
-		if (body->kind == AstNode_BlockStmt) {
-			syntax_error(body, "Expected a normal statement rather than a block statement");
-		}
+		body = convert_stmt_to_body(f, parse_stmt(f));
 	} else {
 		body = parse_block_stmt(f, true);
 	}
@@ -3924,10 +3902,7 @@ AstNode *parse_when_stmt(AstFile *f) {
 			break;
 		case Token_do: {
 			Token arrow = expect_token(f, Token_do);
-			body = parse_stmt(f);
-			if (body->kind == AstNode_BlockStmt) {
-				syntax_error(body, "Expected a normal statement rather than a block statement");
-			}
+			body = convert_stmt_to_body(f, parse_stmt(f));
 		} break;
 		default:
 			syntax_error(f->curr_token, "Expected when statement block statement");
@@ -4043,10 +4018,7 @@ AstNode *parse_for_stmt(AstFile *f) {
 	}
 
 	if (allow_token(f, Token_do)) {
-		body = parse_stmt(f);
-		if (body->kind == AstNode_BlockStmt) {
-			syntax_error(body, "Expected a normal statement rather than a block statement");
-		}
+		body = convert_stmt_to_body(f, parse_stmt(f));
 	} else {
 		body = parse_block_stmt(f, false);
 	}
@@ -4304,10 +4276,7 @@ AstNode *parse_stmt(AstFile *f) {
 		f->expr_level = prev_level;
 
 		if (allow_token(f, Token_do)) {
-			body = parse_stmt(f);
-			if (body->kind == AstNode_BlockStmt) {
-				syntax_error(body, "Expected a normal statement rather than a block statement");
-			}
+			body = convert_stmt_to_body(f, parse_stmt(f));
 		} else {
 			body = parse_block_stmt(f, false);
 		}
@@ -4324,10 +4293,7 @@ AstNode *parse_stmt(AstFile *f) {
 		f->expr_level = prev_level;
 
 		if (allow_token(f, Token_do)) {
-			body = parse_stmt(f);
-			if (body->kind == AstNode_BlockStmt) {
-				syntax_error(body, "Expected a normal statement rather than a block statement");
-			}
+			body = convert_stmt_to_body(f, parse_stmt(f));
 		} else {
 			body = parse_block_stmt(f, false);
 		}
diff --git a/src/timings.cpp b/src/timings.cpp
index 78fdd5240..5422fd212 100644
--- a/src/timings.cpp
+++ b/src/timings.cpp
@@ -104,9 +104,13 @@ void timings_start_section(Timings *t, String label) {
 	array_add(&t->sections, make_time_stamp(label));
 }
 
-f64 time_stamp_as_ms(TimeStamp ts, u64 freq) {
+f64 time_stamp_as_second(TimeStamp ts, u64 freq) {
 	GB_ASSERT_MSG(ts.finish >= ts.start, "time_stamp_as_ms - %.*s", LIT(ts.label));
-	return 1000.0 * cast(f64)(ts.finish - ts.start) / cast(f64)freq;
+	return cast(f64)(ts.finish - ts.start) / cast(f64)freq;
+}
+
+f64 time_stamp_as_ms(TimeStamp ts, u64 freq) {
+	return 1000.0*time_stamp_as_second(ts, freq);
 }
 
 void timings_print_all(Timings *t) {
@@ -124,19 +128,20 @@ void timings_print_all(Timings *t) {
 
 	GB_ASSERT(max_len <= gb_size_of(SPACES)-1);
 
-	t->total_time_seconds = cast(f64)(t->total.finish - t->total.start) / cast(f64)t->freq;
+	t->total_time_seconds = time_stamp_as_second(t->total, t->freq);
 
 	f64 total_ms = time_stamp_as_ms(t->total, t->freq);
 
-	gb_printf("%.*s%.*s - % 9.3f ms\n",
+	gb_printf("%.*s%.*s - % 9.3f ms - %6.2f%%\n",
 	          LIT(t->total.label),
 	          cast(int)(max_len-t->total.label.len), SPACES,
-	          total_ms);
+	          total_ms,
+	          cast(f64)100.0);
 
 	for_array(i, t->sections) {
 		TimeStamp ts = t->sections[i];
 		f64 section_ms = time_stamp_as_ms(ts, t->freq);
-		gb_printf("%.*s%.*s - % 9.3f ms - %5.2f%%\n",
+		gb_printf("%.*s%.*s - % 9.3f ms - %6.2f%%\n",
 		          LIT(ts.label),
 	              cast(int)(max_len-ts.label.len), SPACES,
 		          section_ms, 100*section_ms/total_ms);