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std, src, doc, test: remove unused variables

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This commit is contained in:
Jacob G-W
2021-06-09 21:35:42 -04:00
committed by Andrew Kelley
parent d34a1ccb0e
commit 641ecc260f
112 changed files with 208 additions and 294 deletions
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46
lib/std/zig/parse.zig
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@@ -586,7 +586,7 @@ const Parser = struct {
const thread_local_token = p.eatToken(.keyword_threadlocal);
const var_decl = try p.parseVarDecl();
if (var_decl != 0) {
const semicolon_token = try p.expectToken(.semicolon);
_ = try p.expectToken(.semicolon);
return var_decl;
}
if (thread_local_token != null) {
@@ -614,7 +614,7 @@ const Parser = struct {
fn expectUsingNamespace(p: *Parser) !Node.Index {
const usingnamespace_token = p.assertToken(.keyword_usingnamespace);
const expr = try p.expectExpr();
const semicolon_token = try p.expectToken(.semicolon);
_ = try p.expectToken(.semicolon);
return p.addNode(.{
.tag = .@"usingnamespace",
.main_token = usingnamespace_token,
@@ -647,7 +647,7 @@ const Parser = struct {
const align_expr = try p.parseByteAlign();
const section_expr = try p.parseLinkSection();
const callconv_expr = try p.parseCallconv();
const bang_token = p.eatToken(.bang);
_ = p.eatToken(.bang);
const return_type_expr = try p.parseTypeExpr();
if (return_type_expr == 0) {
@@ -775,7 +775,7 @@ const Parser = struct {
/// ContainerField <- KEYWORD_comptime? IDENTIFIER (COLON (KEYWORD_anytype / TypeExpr) ByteAlign?)? (EQUAL Expr)?
fn expectContainerField(p: *Parser) !Node.Index {
const comptime_token = p.eatToken(.keyword_comptime);
_ = p.eatToken(.keyword_comptime);
const name_token = p.assertToken(.identifier);
var align_expr: Node.Index = 0;
@@ -967,7 +967,7 @@ const Parser = struct {
_ = try p.expectToken(.l_paren);
const condition = try p.expectExpr();
_ = try p.expectToken(.r_paren);
const then_payload = try p.parsePtrPayload();
_ = try p.parsePtrPayload();
// TODO propose to change the syntax so that semicolons are always required
// inside if statements, even if there is an `else`.
@@ -992,7 +992,7 @@ const Parser = struct {
else_required = true;
break :blk assign_expr;
};
const else_token = p.eatToken(.keyword_else) orelse {
_ = p.eatToken(.keyword_else) orelse {
if (else_required) {
try p.warn(.expected_semi_or_else);
}
@@ -1087,7 +1087,7 @@ const Parser = struct {
else_required = true;
break :blk assign_expr;
};
const else_token = p.eatToken(.keyword_else) orelse {
_ = p.eatToken(.keyword_else) orelse {
if (else_required) {
try p.warn(.expected_semi_or_else);
}
@@ -1122,7 +1122,7 @@ const Parser = struct {
_ = try p.expectToken(.l_paren);
const condition = try p.expectExpr();
_ = try p.expectToken(.r_paren);
const then_payload = try p.parsePtrPayload();
_ = try p.parsePtrPayload();
const cont_expr = try p.parseWhileContinueExpr();
// TODO propose to change the syntax so that semicolons are always required
@@ -1162,7 +1162,7 @@ const Parser = struct {
else_required = true;
break :blk assign_expr;
};
const else_token = p.eatToken(.keyword_else) orelse {
_ = p.eatToken(.keyword_else) orelse {
if (else_required) {
try p.warn(.expected_semi_or_else);
}
@@ -1550,7 +1550,7 @@ const Parser = struct {
},
.l_bracket => switch (p.token_tags[p.tok_i + 1]) {
.asterisk => {
const lbracket = p.nextToken();
_ = p.nextToken();
const asterisk = p.nextToken();
var sentinel: Node.Index = 0;
prefix: {
@@ -1907,7 +1907,7 @@ const Parser = struct {
if (found_payload == 0) try p.warn(.expected_loop_payload);
const then_expr = try p.expectExpr();
const else_token = p.eatToken(.keyword_else) orelse {
_ = p.eatToken(.keyword_else) orelse {
return p.addNode(.{
.tag = .for_simple,
.main_token = for_token,
@@ -1938,11 +1938,11 @@ const Parser = struct {
_ = try p.expectToken(.l_paren);
const condition = try p.expectExpr();
_ = try p.expectToken(.r_paren);
const then_payload = try p.parsePtrPayload();
_ = try p.parsePtrPayload();
const cont_expr = try p.parseWhileContinueExpr();
const then_expr = try p.expectExpr();
const else_token = p.eatToken(.keyword_else) orelse {
_ = p.eatToken(.keyword_else) orelse {
if (cont_expr == 0) {
return p.addNode(.{
.tag = .while_simple,
@@ -1966,7 +1966,7 @@ const Parser = struct {
});
}
};
const else_payload = try p.parsePayload();
_ = try p.parsePayload();
const else_expr = try p.expectExpr();
return p.addNode(.{
.tag = .@"while",
@@ -2565,8 +2565,8 @@ const Parser = struct {
p.tok_i += 2;
while (true) {
if (p.eatToken(.r_brace)) |_| break;
const doc_comment = try p.eatDocComments();
const identifier = try p.expectToken(.identifier);
_ = try p.eatDocComments();
_ = try p.expectToken(.identifier);
switch (p.token_tags[p.tok_i]) {
.comma => p.tok_i += 1,
.r_brace => {
@@ -2634,7 +2634,7 @@ const Parser = struct {
if (found_payload == 0) try p.warn(.expected_loop_payload);
const then_expr = try p.expectTypeExpr();
const else_token = p.eatToken(.keyword_else) orelse {
_ = p.eatToken(.keyword_else) orelse {
return p.addNode(.{
.tag = .for_simple,
.main_token = for_token,
@@ -2665,11 +2665,11 @@ const Parser = struct {
_ = try p.expectToken(.l_paren);
const condition = try p.expectExpr();
_ = try p.expectToken(.r_paren);
const then_payload = try p.parsePtrPayload();
_ = try p.parsePtrPayload();
const cont_expr = try p.parseWhileContinueExpr();
const then_expr = try p.expectTypeExpr();
const else_token = p.eatToken(.keyword_else) orelse {
_ = p.eatToken(.keyword_else) orelse {
if (cont_expr == 0) {
return p.addNode(.{
.tag = .while_simple,
@@ -2693,7 +2693,7 @@ const Parser = struct {
});
}
};
const else_payload = try p.parsePayload();
_ = try p.parsePayload();
const else_expr = try p.expectTypeExpr();
return p.addNode(.{
.tag = .@"while",
@@ -3570,12 +3570,12 @@ const Parser = struct {
_ = try p.expectToken(.l_paren);
const condition = try p.expectExpr();
_ = try p.expectToken(.r_paren);
const then_payload = try p.parsePtrPayload();
_ = try p.parsePtrPayload();
const then_expr = try bodyParseFn(p);
if (then_expr == 0) return p.fail(.invalid_token);
const else_token = p.eatToken(.keyword_else) orelse return p.addNode(.{
_ = p.eatToken(.keyword_else) orelse return p.addNode(.{
.tag = .if_simple,
.main_token = if_token,
.data = .{
@@ -3583,7 +3583,7 @@ const Parser = struct {
.rhs = then_expr,
},
});
const else_payload = try p.parsePayload();
_ = try p.parsePayload();
const else_expr = try bodyParseFn(p);
if (else_expr == 0) return p.fail(.invalid_token);