format call and binary expression

This commit is contained in:
Daniel Gavin
2021-04-16 00:44:16 +02:00
parent a12db382e0
commit f17fc05ff2
2 changed files with 214 additions and 47 deletions

View File

@@ -8,12 +8,12 @@ import "core:fmt"
import "core:unicode/utf8"
import "core:mem"
Line_Type_Enum :: enum {Line_Comment, Value_Decl, Switch_Stmt, Struct}
Type_Enum :: enum {Line_Comment, Value_Decl, Switch_Stmt, Struct, Assign, Call, Enum}
Line_Type :: bit_set[Line_Type_Enum];
Line_Type :: bit_set[Type_Enum];
Line :: struct {
format_tokens: [dynamic] Format_Token,
format_tokens: [dynamic]Format_Token,
finalized: bool,
used: bool,
depth: int,
@@ -23,6 +23,7 @@ Line :: struct {
Format_Token :: struct {
kind: tokenizer.Token_Kind,
text: string,
type: Type_Enum,
spaces_before: int,
parameter_count: int,
}
@@ -31,13 +32,13 @@ Printer :: struct {
string_builder: strings.Builder,
config: Config,
depth: int, //the identation depth
comments: [dynamic] ^ast.Comment_Group,
comments: [dynamic]^ast.Comment_Group,
latest_comment_index: int,
allocator: mem.Allocator,
file: ^ast.File,
source_position: tokenizer.Pos,
last_source_position: tokenizer.Pos,
lines: [dynamic] Line, //need to look into a better data structure, one that can handle inserting lines rather than appending
lines: [dynamic]Line, //need to look into a better data structure, one that can handle inserting lines rather than appending
skip_semicolon: bool,
current_line: ^Line,
current_line_index: int,
@@ -119,7 +120,7 @@ print :: proc(p: ^Printer, file: ^ast.File) -> string {
p.comments = file.comments;
if len(file.decls) > 0 {
p.lines = make([dynamic] Line, 0, (file.decls[len(file.decls) - 1].end.line - file.decls[0].pos.line) * 2, context.temp_allocator);
p.lines = make([dynamic]Line, 0, (file.decls[len(file.decls) - 1].end.line - file.decls[0].pos.line) * 2, context.temp_allocator);
}
set_line(p, 0);
@@ -188,15 +189,182 @@ print :: proc(p: ^Printer, file: ^ast.File) -> string {
}
fix_lines :: proc(p: ^Printer) {
align_var_decls(p);
align_blocks(p);
align_var_decls_and_assignments(p);
format_generic(p);
align_comments(p); //align them last since they rely on the other alignments
}
align_var_decls :: proc(p: ^Printer) {
format_value_decl :: proc(p: ^Printer, index: int) {
eq_found := false;
eq_token: Format_Token;
eq_line: int;
largest := 0;
found_eq: for line, line_index in p.lines[index:] {
for format_token in line.format_tokens {
largest += len(format_token.text) + format_token.spaces_before;
if format_token.kind == .Eq {
eq_token = format_token;
eq_line = line_index + index;
eq_found = true;
break found_eq;
}
}
}
if !eq_found {
return;
}
align_next := false;
//check to see if there is a binary operator in the last token(this is guaranteed by the ast visit), otherwise it's not multilined
for line, line_index in p.lines[eq_line:] {
if len(line.format_tokens) == 0 {
break;
}
if align_next {
line.format_tokens[0].spaces_before += largest + 1;
align_next = false;
}
kind := find_last_token(line.format_tokens).kind;
if tokenizer.Token_Kind.B_Operator_Begin < kind && kind <= tokenizer.Token_Kind.Cmp_Or {
align_next = true;
}
if !align_next {
break;
}
}
}
align_switch_smt :: proc(p: ^Printer, index: int) {
find_last_token :: proc(format_tokens: [dynamic]Format_Token) -> Format_Token {
for i := len(format_tokens)-1; i >= 0; i -= 1 {
if format_tokens[i].kind != .Comment {
return format_tokens[i];
}
}
panic("not possible");
}
format_assignment :: proc(p: ^Printer, index: int) {
}
format_call :: proc(p: ^Printer, index: int) {
paren_found := false;
paren_token: Format_Token;
paren_line: int;
largest := 0;
found_paren: for line, line_index in p.lines[index:] {
for format_token in line.format_tokens {
largest += len(format_token.text) + format_token.spaces_before;
if format_token.kind == .Open_Paren && format_token.type == .Call {
paren_token = format_token;
paren_line = line_index + index;
paren_found = true;
break found_paren;
} else if format_token.kind == .Open_Paren {
return;
}
}
}
if !paren_found {
return;
}
paren_count := 1;
done := false;
for line, line_index in p.lines[paren_line+1:] {
if len(line.format_tokens) == 0 {
continue;
}
for format_token, i in line.format_tokens {
if format_token.kind == .Open_Paren {
paren_count += 1;
} else if format_token.kind == .Close_Paren {
paren_count -= 1;
}
if paren_count == 0 {
done = true;
}
}
line.format_tokens[0].spaces_before += largest;
if done {
return;
}
}
}
format_generic :: proc(p: ^Printer) {
for line, line_index in p.lines {
if len(line.format_tokens) <= 0 {
continue;
}
if .Switch_Stmt in line.types && p.config.align_switch {
align_switch_stmt(p, line_index);
}
if .Struct in line.types && p.config.align_structs {
align_struct(p, line_index);
}
if .Value_Decl in line.types {
format_value_decl(p, line_index);
}
if .Assign in line.types {
format_assignment(p, line_index);
}
if .Call in line.types {
format_call(p, line_index);
}
}
}
align_var_decls_and_assignments :: proc(p: ^Printer) {
}
align_switch_stmt :: proc(p: ^Printer, index: int) {
switch_found := false;
brace_token: Format_Token;
@@ -375,24 +543,6 @@ align_struct :: proc(p: ^Printer, index: int) {
}
}
align_blocks :: proc(p: ^Printer) {
for line, line_index in p.lines {
if len(line.format_tokens) <= 0 {
continue;
}
if .Switch_Stmt in line.types && p.config.align_switch {
align_switch_smt(p, line_index);
}
if .Struct in line.types && p.config.align_structs {
align_struct(p, line_index);
}
}
}
align_comments :: proc(p: ^Printer) {
Comment_Align_Info :: struct {
@@ -402,7 +552,7 @@ align_comments :: proc(p: ^Printer) {
depth: int,
};
comment_infos := make([dynamic] Comment_Align_Info, 0, context.temp_allocator);
comment_infos := make([dynamic]Comment_Align_Info, 0, context.temp_allocator);
current_info: Comment_Align_Info;

View File

@@ -11,19 +11,19 @@ import "core:sort"
//right the attribute order is not linearly parsed(bug?)
@(private)
sort_attribute :: proc(s: ^[dynamic] ^ast.Attribute) -> sort.Interface {
sort_attribute :: proc(s: ^[dynamic]^ast.Attribute) -> sort.Interface {
return sort.Interface {
collection = rawptr(s),
len = proc(it: sort.Interface) -> int {
s := (^[dynamic] ^ast.Attribute)(it.collection);
s := (^[dynamic]^ast.Attribute)(it.collection);
return len(s^);
},
less = proc(it: sort.Interface, i, j: int) -> bool {
s := (^[dynamic] ^ast.Attribute)(it.collection);
s := (^[dynamic]^ast.Attribute)(it.collection);
return s[i].pos.offset < s[j].pos.offset;
},
swap = proc(it: sort.Interface, i, j: int) {
s := (^[dynamic] ^ast.Attribute)(it.collection);
s := (^[dynamic]^ast.Attribute)(it.collection);
s[i], s[j] = s[j], s[i];
},
};
@@ -72,7 +72,7 @@ push_comment :: proc(p: ^Printer, comment: tokenizer.Token) -> int {
append(&p.current_line.format_tokens, format_token);
p.last_token = &p.current_line.format_tokens[len(p.current_line.format_tokens) - 1];
hint_current_line(p,{.Line_Comment});
hint_current_line(p, {.Line_Comment});
return 0;
} else {
@@ -82,7 +82,7 @@ push_comment :: proc(p: ^Printer, comment: tokenizer.Token) -> int {
c_len := len(comment.text);
trim_space := true;
multilines: [dynamic] string;
multilines: [dynamic]string;
for i := 0; i < len(comment.text); i += 1 {
@@ -185,7 +185,7 @@ push_comments :: proc(p: ^Printer, pos: tokenizer.Pos) {
}
if prev_comment != nil {
newline_position(p, min(p.config.newline_limit, p.source_position.line - prev_comment.pos.line));
newline_position(p, min(p.config.newline_limit, p.source_position.line - prev_comment.pos.line - prev_comment_lines));
}
}
@@ -303,7 +303,7 @@ set_line :: proc(p: ^Printer, line: int) -> ^Line {
if line >= len(p.lines) {
for i := len(p.lines); i <= line; i += 1 {
new_line: Line;
new_line.format_tokens = make([dynamic] Format_Token, 0, 50, p.allocator);
new_line.format_tokens = make([dynamic]Format_Token, 0, 50, p.allocator);
append(&p.lines, new_line);
}
unwrapped_line = &p.lines[line];
@@ -427,18 +427,20 @@ visit_decl :: proc(p: ^Printer, decl: ^ast.Decl, called_in_stmt := false) {
visit_exprs(p, v.names, true);
if v.type != nil {
if !v.is_mutable && v.type != nil {
if !v.is_mutable {
push_generic_token(p, .Colon, 0);
} else {
hint_current_line(p, {.Value_Decl});
push_generic_token(p, .Colon, 0);
}
visit_expr(p, v.type);
} else {
if !v.is_mutable && v.type == nil {
if !v.is_mutable {
push_generic_token(p, .Colon, 1);
push_generic_token(p, .Colon, 0);
} else {
hint_current_line(p, {.Value_Decl});
push_generic_token(p, .Colon, 1);
}
}
@@ -472,7 +474,7 @@ visit_decl :: proc(p: ^Printer, decl: ^ast.Decl, called_in_stmt := false) {
}
@(private)
visit_exprs :: proc(p: ^Printer, list: [] ^ast.Expr, add_comma := false, trailing := false) {
visit_exprs :: proc(p: ^Printer, list: []^ast.Expr, add_comma := false, trailing := false) {
if len(list) == 0 {
return;
@@ -492,7 +494,7 @@ visit_exprs :: proc(p: ^Printer, list: [] ^ast.Expr, add_comma := false, trailin
}
@(private)
visit_attributes :: proc(p: ^Printer, attributes: [dynamic] ^ast.Attribute) {
visit_attributes :: proc(p: ^Printer, attributes: [dynamic]^ast.Attribute) {
if len(attributes) == 0 {
return;
@@ -637,7 +639,7 @@ visit_stmt :: proc(p: ^Printer, stmt: ^ast.Stmt, block_type: Block_Type = .Gener
push_generic_token(p, .Switch, 1);
hint_current_line(p,{.Switch_Stmt});
hint_current_line(p, {.Switch_Stmt});
if v.init != nil {
p.skip_semicolon = true;
@@ -694,6 +696,8 @@ visit_stmt :: proc(p: ^Printer, stmt: ^ast.Stmt, block_type: Block_Type = .Gener
case Assign_Stmt:
move_line(p, v.pos);
hint_current_line(p, {.Assign});
visit_exprs(p, v.lhs, true);
push_generic_token(p, v.op.kind, 1);
@@ -730,11 +734,13 @@ visit_stmt :: proc(p: ^Printer, stmt: ^ast.Stmt, block_type: Block_Type = .Gener
}
if v.cond != nil {
move_line(p, v.cond.pos);
visit_expr(p, v.cond);
}
if v.post != nil {
push_generic_token(p, .Semicolon, 0);
move_line(p, v.post.pos);
visit_stmt(p, v.post);
} else if v.post == nil && v.cond != nil && v.init != nil {
push_generic_token(p, .Semicolon, 0);
@@ -946,6 +952,7 @@ visit_expr :: proc(p: ^Printer, expr: ^ast.Expr) {
push_generic_token(p, .Open_Bracket, 1);
push_generic_token(p, .Dynamic, 0);
push_generic_token(p, .Close_Bracket, 0);
merge_next_token(p);
visit_expr(p, v.elem);
case Bit_Set_Type:
push_generic_token(p, .Bit_Set, 1);
@@ -1012,7 +1019,7 @@ visit_expr :: proc(p: ^Printer, expr: ^ast.Expr) {
case Struct_Type:
push_generic_token(p, .Struct, 1);
hint_current_line(p,{.Struct});
hint_current_line(p, {.Struct});
if v.is_packed {
push_ident_token(p, "#packed", 1);
@@ -1083,7 +1090,15 @@ visit_expr :: proc(p: ^Printer, expr: ^ast.Expr) {
push_ident_token(p, v.field.name, 0);
case Call_Expr:
visit_expr(p, v.expr);
push_generic_token(p, .Open_Paren, 0);
push_format_token(p, Format_Token {
kind = .Open_Paren,
type = .Call,
text = "(",
});
hint_current_line(p, {.Call});
visit_call_exprs(p, v.args, v.ellipsis.kind == .Ellipsis);
push_generic_token(p, .Close_Paren, 0);
case Typeid_Type:
@@ -1135,7 +1150,7 @@ visit_expr :: proc(p: ^Printer, expr: ^ast.Expr) {
visit_exprs(p, v.elems, true, true);
visit_end_brace(p, v.end);
} else {
push_generic_token(p, .Open_Brace, 0);
push_generic_token(p, .Open_Brace, 1);
visit_exprs(p, v.elems, true);
push_generic_token(p, .Close_Brace, 0);
}
@@ -1182,12 +1197,14 @@ visit_expr :: proc(p: ^Printer, expr: ^ast.Expr) {
push_generic_token(p, .Open_Bracket, 1);
visit_expr(p, v.len);
push_generic_token(p, .Close_Bracket, 0);
merge_next_token(p);
visit_expr(p, v.elem);
case Map_Type:
push_generic_token(p, .Map, 1);
push_generic_token(p, .Open_Bracket, 0);
visit_expr(p, v.key);
push_generic_token(p, .Close_Bracket, 0);
merge_next_token(p);
visit_expr(p, v.value);
case Helper_Type:
visit_expr(p, v.type);
@@ -1229,7 +1246,7 @@ visit_end_brace :: proc(p: ^Printer, end: tokenizer.Pos) {
p.current_line.depth = p.depth;
}
visit_block_stmts :: proc(p: ^Printer, stmts: [] ^ast.Stmt, split := false) {
visit_block_stmts :: proc(p: ^Printer, stmts: []^ast.Stmt, split := false) {
for stmt, i in stmts {
visit_stmt(p, stmt, .Generic, false, true);
@@ -1370,7 +1387,7 @@ visit_binary_expr :: proc(p: ^Printer, binary: ast.Binary_Expr) {
}
}
visit_call_exprs :: proc(p: ^Printer, list: [] ^ast.Expr, ellipsis := false) {
visit_call_exprs :: proc(p: ^Printer, list: []^ast.Expr, ellipsis := false) {
if len(list) == 0 {
return;