aboutsummaryrefslogtreecommitdiff
path: root/src/DepTokenizer.zig
diff options
context:
space:
mode:
Diffstat (limited to 'src/DepTokenizer.zig')
-rw-r--r--src/DepTokenizer.zig1069
1 files changed, 0 insertions, 1069 deletions
diff --git a/src/DepTokenizer.zig b/src/DepTokenizer.zig
deleted file mode 100644
index 8f9f2f81cd..0000000000
--- a/src/DepTokenizer.zig
+++ /dev/null
@@ -1,1069 +0,0 @@
-const Tokenizer = @This();
-
-index: usize = 0,
-bytes: []const u8,
-state: State = .lhs,
-
-const std = @import("std");
-const testing = std.testing;
-const assert = std.debug.assert;
-
-pub fn next(self: *Tokenizer) ?Token {
- var start = self.index;
- var must_resolve = false;
- while (self.index < self.bytes.len) {
- const char = self.bytes[self.index];
- switch (self.state) {
- .lhs => switch (char) {
- '\t', '\n', '\r', ' ' => {
- // silently ignore whitespace
- self.index += 1;
- },
- else => {
- start = self.index;
- self.state = .target;
- },
- },
- .target => switch (char) {
- '\t', '\n', '\r', ' ' => {
- return errorIllegalChar(.invalid_target, self.index, char);
- },
- '$' => {
- self.state = .target_dollar_sign;
- self.index += 1;
- },
- '\\' => {
- self.state = .target_reverse_solidus;
- self.index += 1;
- },
- ':' => {
- self.state = .target_colon;
- self.index += 1;
- },
- else => {
- self.index += 1;
- },
- },
- .target_reverse_solidus => switch (char) {
- '\t', '\n', '\r' => {
- return errorIllegalChar(.bad_target_escape, self.index, char);
- },
- ' ', '#', '\\' => {
- must_resolve = true;
- self.state = .target;
- self.index += 1;
- },
- '$' => {
- self.state = .target_dollar_sign;
- self.index += 1;
- },
- else => {
- self.state = .target;
- self.index += 1;
- },
- },
- .target_dollar_sign => switch (char) {
- '$' => {
- must_resolve = true;
- self.state = .target;
- self.index += 1;
- },
- else => {
- return errorIllegalChar(.expected_dollar_sign, self.index, char);
- },
- },
- .target_colon => switch (char) {
- '\n', '\r' => {
- const bytes = self.bytes[start .. self.index - 1];
- if (bytes.len != 0) {
- self.state = .lhs;
- return finishTarget(must_resolve, bytes);
- }
- // silently ignore null target
- self.state = .lhs;
- },
- '/', '\\' => {
- self.state = .target_colon_reverse_solidus;
- self.index += 1;
- },
- else => {
- const bytes = self.bytes[start .. self.index - 1];
- if (bytes.len != 0) {
- self.state = .rhs;
- return finishTarget(must_resolve, bytes);
- }
- // silently ignore null target
- self.state = .lhs;
- },
- },
- .target_colon_reverse_solidus => switch (char) {
- '\n', '\r' => {
- const bytes = self.bytes[start .. self.index - 2];
- if (bytes.len != 0) {
- self.state = .lhs;
- return finishTarget(must_resolve, bytes);
- }
- // silently ignore null target
- self.state = .lhs;
- },
- else => {
- self.state = .target;
- },
- },
- .rhs => switch (char) {
- '\t', ' ' => {
- // silently ignore horizontal whitespace
- self.index += 1;
- },
- '\n', '\r' => {
- self.state = .lhs;
- },
- '\\' => {
- self.state = .rhs_continuation;
- self.index += 1;
- },
- '"' => {
- self.state = .prereq_quote;
- self.index += 1;
- start = self.index;
- },
- else => {
- start = self.index;
- self.state = .prereq;
- },
- },
- .rhs_continuation => switch (char) {
- '\n' => {
- self.state = .rhs;
- self.index += 1;
- },
- '\r' => {
- self.state = .rhs_continuation_linefeed;
- self.index += 1;
- },
- else => {
- return errorIllegalChar(.continuation_eol, self.index, char);
- },
- },
- .rhs_continuation_linefeed => switch (char) {
- '\n' => {
- self.state = .rhs;
- self.index += 1;
- },
- else => {
- return errorIllegalChar(.continuation_eol, self.index, char);
- },
- },
- .prereq_quote => switch (char) {
- '"' => {
- self.index += 1;
- self.state = .rhs;
- return Token{ .prereq = self.bytes[start .. self.index - 1] };
- },
- else => {
- self.index += 1;
- },
- },
- .prereq => switch (char) {
- '\t', ' ' => {
- self.state = .rhs;
- return Token{ .prereq = self.bytes[start..self.index] };
- },
- '\n', '\r' => {
- self.state = .lhs;
- return Token{ .prereq = self.bytes[start..self.index] };
- },
- '\\' => {
- self.state = .prereq_continuation;
- self.index += 1;
- },
- else => {
- self.index += 1;
- },
- },
- .prereq_continuation => switch (char) {
- '\n' => {
- self.index += 1;
- self.state = .rhs;
- return Token{ .prereq = self.bytes[start .. self.index - 2] };
- },
- '\r' => {
- self.state = .prereq_continuation_linefeed;
- self.index += 1;
- },
- else => {
- // not continuation
- self.state = .prereq;
- self.index += 1;
- },
- },
- .prereq_continuation_linefeed => switch (char) {
- '\n' => {
- self.index += 1;
- self.state = .rhs;
- return Token{ .prereq = self.bytes[start .. self.index - 1] };
- },
- else => {
- return errorIllegalChar(.continuation_eol, self.index, char);
- },
- },
- }
- } else {
- switch (self.state) {
- .lhs,
- .rhs,
- .rhs_continuation,
- .rhs_continuation_linefeed,
- => return null,
- .target => {
- return errorPosition(.incomplete_target, start, self.bytes[start..]);
- },
- .target_reverse_solidus,
- .target_dollar_sign,
- => {
- const idx = self.index - 1;
- return errorIllegalChar(.incomplete_escape, idx, self.bytes[idx]);
- },
- .target_colon => {
- const bytes = self.bytes[start .. self.index - 1];
- if (bytes.len != 0) {
- self.index += 1;
- self.state = .rhs;
- return finishTarget(must_resolve, bytes);
- }
- // silently ignore null target
- self.state = .lhs;
- return null;
- },
- .target_colon_reverse_solidus => {
- const bytes = self.bytes[start .. self.index - 2];
- if (bytes.len != 0) {
- self.index += 1;
- self.state = .rhs;
- return finishTarget(must_resolve, bytes);
- }
- // silently ignore null target
- self.state = .lhs;
- return null;
- },
- .prereq_quote => {
- return errorPosition(.incomplete_quoted_prerequisite, start, self.bytes[start..]);
- },
- .prereq => {
- self.state = .lhs;
- return Token{ .prereq = self.bytes[start..] };
- },
- .prereq_continuation => {
- self.state = .lhs;
- return Token{ .prereq = self.bytes[start .. self.index - 1] };
- },
- .prereq_continuation_linefeed => {
- self.state = .lhs;
- return Token{ .prereq = self.bytes[start .. self.index - 2] };
- },
- }
- }
- unreachable;
-}
-
-fn errorPosition(comptime id: std.meta.Tag(Token), index: usize, bytes: []const u8) Token {
- return @unionInit(Token, @tagName(id), .{ .index = index, .bytes = bytes });
-}
-
-fn errorIllegalChar(comptime id: std.meta.Tag(Token), index: usize, char: u8) Token {
- return @unionInit(Token, @tagName(id), .{ .index = index, .char = char });
-}
-
-fn finishTarget(must_resolve: bool, bytes: []const u8) Token {
- return if (must_resolve) .{ .target_must_resolve = bytes } else .{ .target = bytes };
-}
-
-const State = enum {
- lhs,
- target,
- target_reverse_solidus,
- target_dollar_sign,
- target_colon,
- target_colon_reverse_solidus,
- rhs,
- rhs_continuation,
- rhs_continuation_linefeed,
- prereq_quote,
- prereq,
- prereq_continuation,
- prereq_continuation_linefeed,
-};
-
-pub const Token = union(enum) {
- target: []const u8,
- target_must_resolve: []const u8,
- prereq: []const u8,
-
- incomplete_quoted_prerequisite: IndexAndBytes,
- incomplete_target: IndexAndBytes,
-
- invalid_target: IndexAndChar,
- bad_target_escape: IndexAndChar,
- expected_dollar_sign: IndexAndChar,
- continuation_eol: IndexAndChar,
- incomplete_escape: IndexAndChar,
-
- pub const IndexAndChar = struct {
- index: usize,
- char: u8,
- };
-
- pub const IndexAndBytes = struct {
- index: usize,
- bytes: []const u8,
- };
-
- /// Resolve escapes in target. Only valid with .target_must_resolve.
- pub fn resolve(self: Token, writer: anytype) @TypeOf(writer).Error!void {
- const bytes = self.target_must_resolve; // resolve called on incorrect token
-
- var state: enum { start, escape, dollar } = .start;
- for (bytes) |c| {
- switch (state) {
- .start => {
- switch (c) {
- '\\' => state = .escape,
- '$' => state = .dollar,
- else => try writer.writeByte(c),
- }
- },
- .escape => {
- switch (c) {
- ' ', '#', '\\' => {},
- '$' => {
- try writer.writeByte('\\');
- state = .dollar;
- continue;
- },
- else => try writer.writeByte('\\'),
- }
- try writer.writeByte(c);
- state = .start;
- },
- .dollar => {
- try writer.writeByte('$');
- switch (c) {
- '$' => {},
- else => try writer.writeByte(c),
- }
- state = .start;
- },
- }
- }
- }
-
- pub fn printError(self: Token, writer: anytype) @TypeOf(writer).Error!void {
- switch (self) {
- .target, .target_must_resolve, .prereq => unreachable, // not an error
- .incomplete_quoted_prerequisite,
- .incomplete_target,
- => |index_and_bytes| {
- try writer.print("{s} '", .{self.errStr()});
- if (self == .incomplete_target) {
- const tmp = Token{ .target_must_resolve = index_and_bytes.bytes };
- try tmp.resolve(writer);
- } else {
- try printCharValues(writer, index_and_bytes.bytes);
- }
- try writer.print("' at position {d}", .{index_and_bytes.index});
- },
- .invalid_target,
- .bad_target_escape,
- .expected_dollar_sign,
- .continuation_eol,
- .incomplete_escape,
- => |index_and_char| {
- try writer.writeAll("illegal char ");
- try printUnderstandableChar(writer, index_and_char.char);
- try writer.print(" at position {d}: {s}", .{ index_and_char.index, self.errStr() });
- },
- }
- }
-
- fn errStr(self: Token) []const u8 {
- return switch (self) {
- .target, .target_must_resolve, .prereq => unreachable, // not an error
- .incomplete_quoted_prerequisite => "incomplete quoted prerequisite",
- .incomplete_target => "incomplete target",
- .invalid_target => "invalid target",
- .bad_target_escape => "bad target escape",
- .expected_dollar_sign => "expecting '$'",
- .continuation_eol => "continuation expecting end-of-line",
- .incomplete_escape => "incomplete escape",
- };
- }
-};
-
-test "empty file" {
- try depTokenizer("", "");
-}
-
-test "empty whitespace" {
- try depTokenizer("\n", "");
- try depTokenizer("\r", "");
- try depTokenizer("\r\n", "");
- try depTokenizer(" ", "");
-}
-
-test "empty colon" {
- try depTokenizer(":", "");
- try depTokenizer("\n:", "");
- try depTokenizer("\r:", "");
- try depTokenizer("\r\n:", "");
- try depTokenizer(" :", "");
-}
-
-test "empty target" {
- try depTokenizer("foo.o:", "target = {foo.o}");
- try depTokenizer(
- \\foo.o:
- \\bar.o:
- \\abcd.o:
- ,
- \\target = {foo.o}
- \\target = {bar.o}
- \\target = {abcd.o}
- );
-}
-
-test "whitespace empty target" {
- try depTokenizer("\nfoo.o:", "target = {foo.o}");
- try depTokenizer("\rfoo.o:", "target = {foo.o}");
- try depTokenizer("\r\nfoo.o:", "target = {foo.o}");
- try depTokenizer(" foo.o:", "target = {foo.o}");
-}
-
-test "escape empty target" {
- try depTokenizer("\\ foo.o:", "target = { foo.o}");
- try depTokenizer("\\#foo.o:", "target = {#foo.o}");
- try depTokenizer("\\\\foo.o:", "target = {\\foo.o}");
- try depTokenizer("$$foo.o:", "target = {$foo.o}");
-}
-
-test "empty target linefeeds" {
- try depTokenizer("\n", "");
- try depTokenizer("\r\n", "");
-
- const expect = "target = {foo.o}";
- try depTokenizer(
- \\foo.o:
- , expect);
- try depTokenizer(
- \\foo.o:
- \\
- , expect);
- try depTokenizer(
- \\foo.o:
- , expect);
- try depTokenizer(
- \\foo.o:
- \\
- , expect);
-}
-
-test "empty target linefeeds + continuations" {
- const expect = "target = {foo.o}";
- try depTokenizer(
- \\foo.o:\
- , expect);
- try depTokenizer(
- \\foo.o:\
- \\
- , expect);
- try depTokenizer(
- \\foo.o:\
- , expect);
- try depTokenizer(
- \\foo.o:\
- \\
- , expect);
-}
-
-test "empty target linefeeds + hspace + continuations" {
- const expect = "target = {foo.o}";
- try depTokenizer(
- \\foo.o: \
- , expect);
- try depTokenizer(
- \\foo.o: \
- \\
- , expect);
- try depTokenizer(
- \\foo.o: \
- , expect);
- try depTokenizer(
- \\foo.o: \
- \\
- , expect);
-}
-
-test "prereq" {
- const expect =
- \\target = {foo.o}
- \\prereq = {foo.c}
- ;
- try depTokenizer("foo.o: foo.c", expect);
- try depTokenizer(
- \\foo.o: \
- \\foo.c
- , expect);
- try depTokenizer(
- \\foo.o: \
- \\ foo.c
- , expect);
- try depTokenizer(
- \\foo.o: \
- \\ foo.c
- , expect);
-}
-
-test "prereq continuation" {
- const expect =
- \\target = {foo.o}
- \\prereq = {foo.h}
- \\prereq = {bar.h}
- ;
- try depTokenizer(
- \\foo.o: foo.h\
- \\bar.h
- , expect);
- try depTokenizer(
- \\foo.o: foo.h\
- \\bar.h
- , expect);
-}
-
-test "multiple prereqs" {
- const expect =
- \\target = {foo.o}
- \\prereq = {foo.c}
- \\prereq = {foo.h}
- \\prereq = {bar.h}
- ;
- try depTokenizer("foo.o: foo.c foo.h bar.h", expect);
- try depTokenizer(
- \\foo.o: \
- \\foo.c foo.h bar.h
- , expect);
- try depTokenizer(
- \\foo.o: foo.c foo.h bar.h\
- , expect);
- try depTokenizer(
- \\foo.o: foo.c foo.h bar.h\
- \\
- , expect);
- try depTokenizer(
- \\foo.o: \
- \\foo.c \
- \\ foo.h\
- \\bar.h
- \\
- , expect);
- try depTokenizer(
- \\foo.o: \
- \\foo.c \
- \\ foo.h\
- \\bar.h\
- \\
- , expect);
- try depTokenizer(
- \\foo.o: \
- \\foo.c \
- \\ foo.h\
- \\bar.h\
- , expect);
-}
-
-test "multiple targets and prereqs" {
- try depTokenizer(
- \\foo.o: foo.c
- \\bar.o: bar.c a.h b.h c.h
- \\abc.o: abc.c \
- \\ one.h two.h \
- \\ three.h four.h
- ,
- \\target = {foo.o}
- \\prereq = {foo.c}
- \\target = {bar.o}
- \\prereq = {bar.c}
- \\prereq = {a.h}
- \\prereq = {b.h}
- \\prereq = {c.h}
- \\target = {abc.o}
- \\prereq = {abc.c}
- \\prereq = {one.h}
- \\prereq = {two.h}
- \\prereq = {three.h}
- \\prereq = {four.h}
- );
- try depTokenizer(
- \\ascii.o: ascii.c
- \\base64.o: base64.c stdio.h
- \\elf.o: elf.c a.h b.h c.h
- \\macho.o: \
- \\ macho.c\
- \\ a.h b.h c.h
- ,
- \\target = {ascii.o}
- \\prereq = {ascii.c}
- \\target = {base64.o}
- \\prereq = {base64.c}
- \\prereq = {stdio.h}
- \\target = {elf.o}
- \\prereq = {elf.c}
- \\prereq = {a.h}
- \\prereq = {b.h}
- \\prereq = {c.h}
- \\target = {macho.o}
- \\prereq = {macho.c}
- \\prereq = {a.h}
- \\prereq = {b.h}
- \\prereq = {c.h}
- );
- try depTokenizer(
- \\a$$scii.o: ascii.c
- \\\\base64.o: "\base64.c" "s t#dio.h"
- \\e\\lf.o: "e\lf.c" "a.h$$" "$$b.h c.h$$"
- \\macho.o: \
- \\ "macho!.c" \
- \\ a.h b.h c.h
- ,
- \\target = {a$scii.o}
- \\prereq = {ascii.c}
- \\target = {\base64.o}
- \\prereq = {\base64.c}
- \\prereq = {s t#dio.h}
- \\target = {e\lf.o}
- \\prereq = {e\lf.c}
- \\prereq = {a.h$$}
- \\prereq = {$$b.h c.h$$}
- \\target = {macho.o}
- \\prereq = {macho!.c}
- \\prereq = {a.h}
- \\prereq = {b.h}
- \\prereq = {c.h}
- );
-}
-
-test "windows quoted prereqs" {
- try depTokenizer(
- \\c:\foo.o: "C:\Program Files (x86)\Microsoft Visual Studio\foo.c"
- \\c:\foo2.o: "C:\Program Files (x86)\Microsoft Visual Studio\foo2.c" \
- \\ "C:\Program Files (x86)\Microsoft Visual Studio\foo1.h" \
- \\ "C:\Program Files (x86)\Microsoft Visual Studio\foo2.h"
- ,
- \\target = {c:\foo.o}
- \\prereq = {C:\Program Files (x86)\Microsoft Visual Studio\foo.c}
- \\target = {c:\foo2.o}
- \\prereq = {C:\Program Files (x86)\Microsoft Visual Studio\foo2.c}
- \\prereq = {C:\Program Files (x86)\Microsoft Visual Studio\foo1.h}
- \\prereq = {C:\Program Files (x86)\Microsoft Visual Studio\foo2.h}
- );
-}
-
-test "windows mixed prereqs" {
- try depTokenizer(
- \\cimport.o: \
- \\ C:\msys64\home\anon\project\zig\master\zig-cache\o\qhvhbUo7GU5iKyQ5mpA8TcQpncCYaQu0wwvr3ybiSTj_Dtqi1Nmcb70kfODJ2Qlg\cimport.h \
- \\ "C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\stdio.h" \
- \\ "C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\corecrt.h" \
- \\ "C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.21.27702\lib\x64\\..\..\include\vcruntime.h" \
- \\ "C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.21.27702\lib\x64\\..\..\include\sal.h" \
- \\ "C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.21.27702\lib\x64\\..\..\include\concurrencysal.h" \
- \\ C:\msys64\opt\zig\lib\zig\include\vadefs.h \
- \\ "C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.21.27702\lib\x64\\..\..\include\vadefs.h" \
- \\ "C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\corecrt_wstdio.h" \
- \\ "C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\corecrt_stdio_config.h" \
- \\ "C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\string.h" \
- \\ "C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\corecrt_memory.h" \
- \\ "C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\corecrt_memcpy_s.h" \
- \\ "C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\errno.h" \
- \\ "C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.21.27702\lib\x64\\..\..\include\vcruntime_string.h" \
- \\ "C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\corecrt_wstring.h"
- ,
- \\target = {cimport.o}
- \\prereq = {C:\msys64\home\anon\project\zig\master\zig-cache\o\qhvhbUo7GU5iKyQ5mpA8TcQpncCYaQu0wwvr3ybiSTj_Dtqi1Nmcb70kfODJ2Qlg\cimport.h}
- \\prereq = {C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\stdio.h}
- \\prereq = {C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\corecrt.h}
- \\prereq = {C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.21.27702\lib\x64\\..\..\include\vcruntime.h}
- \\prereq = {C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.21.27702\lib\x64\\..\..\include\sal.h}
- \\prereq = {C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.21.27702\lib\x64\\..\..\include\concurrencysal.h}
- \\prereq = {C:\msys64\opt\zig\lib\zig\include\vadefs.h}
- \\prereq = {C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.21.27702\lib\x64\\..\..\include\vadefs.h}
- \\prereq = {C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\corecrt_wstdio.h}
- \\prereq = {C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\corecrt_stdio_config.h}
- \\prereq = {C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\string.h}
- \\prereq = {C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\corecrt_memory.h}
- \\prereq = {C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\corecrt_memcpy_s.h}
- \\prereq = {C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\errno.h}
- \\prereq = {C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.21.27702\lib\x64\\..\..\include\vcruntime_string.h}
- \\prereq = {C:\Program Files (x86)\Windows Kits\10\\Include\10.0.17763.0\ucrt\corecrt_wstring.h}
- );
-}
-
-test "windows funky targets" {
- try depTokenizer(
- \\C:\Users\anon\foo.o:
- \\C:\Users\anon\foo\ .o:
- \\C:\Users\anon\foo\#.o:
- \\C:\Users\anon\foo$$.o:
- \\C:\Users\anon\\\ foo.o:
- \\C:\Users\anon\\#foo.o:
- \\C:\Users\anon\$$foo.o:
- \\C:\Users\anon\\\ \ \ \ \ foo.o:
- ,
- \\target = {C:\Users\anon\foo.o}
- \\target = {C:\Users\anon\foo .o}
- \\target = {C:\Users\anon\foo#.o}
- \\target = {C:\Users\anon\foo$.o}
- \\target = {C:\Users\anon\ foo.o}
- \\target = {C:\Users\anon\#foo.o}
- \\target = {C:\Users\anon\$foo.o}
- \\target = {C:\Users\anon\ foo.o}
- );
-}
-
-test "windows drive and forward slashes" {
- try depTokenizer(
- \\C:/msys64/what/zig-cache\tmp\48ac4d78dd531abd-cxa_thread_atexit.obj: \
- \\ C:/msys64/opt/zig3/lib/zig/libc/mingw/crt/cxa_thread_atexit.c
- ,
- \\target = {C:/msys64/what/zig-cache\tmp\48ac4d78dd531abd-cxa_thread_atexit.obj}
- \\prereq = {C:/msys64/opt/zig3/lib/zig/libc/mingw/crt/cxa_thread_atexit.c}
- );
-}
-
-test "error incomplete escape - reverse_solidus" {
- try depTokenizer("\\",
- \\ERROR: illegal char '\' at position 0: incomplete escape
- );
- try depTokenizer("\t\\",
- \\ERROR: illegal char '\' at position 1: incomplete escape
- );
- try depTokenizer("\n\\",
- \\ERROR: illegal char '\' at position 1: incomplete escape
- );
- try depTokenizer("\r\\",
- \\ERROR: illegal char '\' at position 1: incomplete escape
- );
- try depTokenizer("\r\n\\",
- \\ERROR: illegal char '\' at position 2: incomplete escape
- );
- try depTokenizer(" \\",
- \\ERROR: illegal char '\' at position 1: incomplete escape
- );
-}
-
-test "error incomplete escape - dollar_sign" {
- try depTokenizer("$",
- \\ERROR: illegal char '$' at position 0: incomplete escape
- );
- try depTokenizer("\t$",
- \\ERROR: illegal char '$' at position 1: incomplete escape
- );
- try depTokenizer("\n$",
- \\ERROR: illegal char '$' at position 1: incomplete escape
- );
- try depTokenizer("\r$",
- \\ERROR: illegal char '$' at position 1: incomplete escape
- );
- try depTokenizer("\r\n$",
- \\ERROR: illegal char '$' at position 2: incomplete escape
- );
- try depTokenizer(" $",
- \\ERROR: illegal char '$' at position 1: incomplete escape
- );
-}
-
-test "error incomplete target" {
- try depTokenizer("foo.o",
- \\ERROR: incomplete target 'foo.o' at position 0
- );
- try depTokenizer("\tfoo.o",
- \\ERROR: incomplete target 'foo.o' at position 1
- );
- try depTokenizer("\nfoo.o",
- \\ERROR: incomplete target 'foo.o' at position 1
- );
- try depTokenizer("\rfoo.o",
- \\ERROR: incomplete target 'foo.o' at position 1
- );
- try depTokenizer("\r\nfoo.o",
- \\ERROR: incomplete target 'foo.o' at position 2
- );
- try depTokenizer(" foo.o",
- \\ERROR: incomplete target 'foo.o' at position 1
- );
-
- try depTokenizer("\\ foo.o",
- \\ERROR: incomplete target ' foo.o' at position 0
- );
- try depTokenizer("\\#foo.o",
- \\ERROR: incomplete target '#foo.o' at position 0
- );
- try depTokenizer("\\\\foo.o",
- \\ERROR: incomplete target '\foo.o' at position 0
- );
- try depTokenizer("$$foo.o",
- \\ERROR: incomplete target '$foo.o' at position 0
- );
-}
-
-test "error illegal char at position - bad target escape" {
- try depTokenizer("\\\t",
- \\ERROR: illegal char \x09 at position 1: bad target escape
- );
- try depTokenizer("\\\n",
- \\ERROR: illegal char \x0A at position 1: bad target escape
- );
- try depTokenizer("\\\r",
- \\ERROR: illegal char \x0D at position 1: bad target escape
- );
- try depTokenizer("\\\r\n",
- \\ERROR: illegal char \x0D at position 1: bad target escape
- );
-}
-
-test "error illegal char at position - execting dollar_sign" {
- try depTokenizer("$\t",
- \\ERROR: illegal char \x09 at position 1: expecting '$'
- );
- try depTokenizer("$\n",
- \\ERROR: illegal char \x0A at position 1: expecting '$'
- );
- try depTokenizer("$\r",
- \\ERROR: illegal char \x0D at position 1: expecting '$'
- );
- try depTokenizer("$\r\n",
- \\ERROR: illegal char \x0D at position 1: expecting '$'
- );
-}
-
-test "error illegal char at position - invalid target" {
- try depTokenizer("foo\t.o",
- \\ERROR: illegal char \x09 at position 3: invalid target
- );
- try depTokenizer("foo\n.o",
- \\ERROR: illegal char \x0A at position 3: invalid target
- );
- try depTokenizer("foo\r.o",
- \\ERROR: illegal char \x0D at position 3: invalid target
- );
- try depTokenizer("foo\r\n.o",
- \\ERROR: illegal char \x0D at position 3: invalid target
- );
-}
-
-test "error target - continuation expecting end-of-line" {
- try depTokenizer("foo.o: \\\t",
- \\target = {foo.o}
- \\ERROR: illegal char \x09 at position 8: continuation expecting end-of-line
- );
- try depTokenizer("foo.o: \\ ",
- \\target = {foo.o}
- \\ERROR: illegal char ' ' at position 8: continuation expecting end-of-line
- );
- try depTokenizer("foo.o: \\x",
- \\target = {foo.o}
- \\ERROR: illegal char 'x' at position 8: continuation expecting end-of-line
- );
- try depTokenizer("foo.o: \\\x0dx",
- \\target = {foo.o}
- \\ERROR: illegal char 'x' at position 9: continuation expecting end-of-line
- );
-}
-
-test "error prereq - continuation expecting end-of-line" {
- try depTokenizer("foo.o: foo.h\\\x0dx",
- \\target = {foo.o}
- \\ERROR: illegal char 'x' at position 14: continuation expecting end-of-line
- );
-}
-
-// - tokenize input, emit textual representation, and compare to expect
-fn depTokenizer(input: []const u8, expect: []const u8) !void {
- var arena_allocator = std.heap.ArenaAllocator.init(std.testing.allocator);
- const arena = arena_allocator.allocator();
- defer arena_allocator.deinit();
-
- var it: Tokenizer = .{ .bytes = input };
- var buffer = std.ArrayList(u8).init(arena);
- var resolve_buf = std.ArrayList(u8).init(arena);
- var i: usize = 0;
- while (it.next()) |token| {
- if (i != 0) try buffer.appendSlice("\n");
- switch (token) {
- .target, .prereq => |bytes| {
- try buffer.appendSlice(@tagName(token));
- try buffer.appendSlice(" = {");
- for (bytes) |b| {
- try buffer.append(printable_char_tab[b]);
- }
- try buffer.appendSlice("}");
- },
- .target_must_resolve => {
- try buffer.appendSlice("target = {");
- try token.resolve(resolve_buf.writer());
- for (resolve_buf.items) |b| {
- try buffer.append(printable_char_tab[b]);
- }
- resolve_buf.items.len = 0;
- try buffer.appendSlice("}");
- },
- else => {
- try buffer.appendSlice("ERROR: ");
- try token.printError(buffer.writer());
- break;
- },
- }
- i += 1;
- }
-
- if (std.mem.eql(u8, expect, buffer.items)) {
- try testing.expect(true);
- return;
- }
-
- const out = std.io.getStdErr().writer();
-
- try out.writeAll("\n");
- try printSection(out, "<<<< input", input);
- try printSection(out, "==== expect", expect);
- try printSection(out, ">>>> got", buffer.items);
- try printRuler(out);
-
- try testing.expect(false);
-}
-
-fn printSection(out: anytype, label: []const u8, bytes: []const u8) !void {
- try printLabel(out, label, bytes);
- try hexDump(out, bytes);
- try printRuler(out);
- try out.writeAll(bytes);
- try out.writeAll("\n");
-}
-
-fn printLabel(out: anytype, label: []const u8, bytes: []const u8) !void {
- var buf: [80]u8 = undefined;
- var text = try std.fmt.bufPrint(buf[0..], "{s} {d} bytes ", .{ label, bytes.len });
- try out.writeAll(text);
- var i: usize = text.len;
- const end = 79;
- while (i < end) : (i += 1) {
- try out.writeAll(&[_]u8{label[0]});
- }
- try out.writeAll("\n");
-}
-
-fn printRuler(out: anytype) !void {
- var i: usize = 0;
- const end = 79;
- while (i < end) : (i += 1) {
- try out.writeAll("-");
- }
- try out.writeAll("\n");
-}
-
-fn hexDump(out: anytype, bytes: []const u8) !void {
- const n16 = bytes.len >> 4;
- var line: usize = 0;
- var offset: usize = 0;
- while (line < n16) : (line += 1) {
- try hexDump16(out, offset, bytes[offset .. offset + 16]);
- offset += 16;
- }
-
- const n = bytes.len & 0x0f;
- if (n > 0) {
- try printDecValue(out, offset, 8);
- try out.writeAll(":");
- try out.writeAll(" ");
- var end1 = std.math.min(offset + n, offset + 8);
- for (bytes[offset..end1]) |b| {
- try out.writeAll(" ");
- try printHexValue(out, b, 2);
- }
- var end2 = offset + n;
- if (end2 > end1) {
- try out.writeAll(" ");
- for (bytes[end1..end2]) |b| {
- try out.writeAll(" ");
- try printHexValue(out, b, 2);
- }
- }
- const short = 16 - n;
- var i: usize = 0;
- while (i < short) : (i += 1) {
- try out.writeAll(" ");
- }
- if (end2 > end1) {
- try out.writeAll(" |");
- } else {
- try out.writeAll(" |");
- }
- try printCharValues(out, bytes[offset..end2]);
- try out.writeAll("|\n");
- offset += n;
- }
-
- try printDecValue(out, offset, 8);
- try out.writeAll(":");
- try out.writeAll("\n");
-}
-
-fn hexDump16(out: anytype, offset: usize, bytes: []const u8) !void {
- try printDecValue(out, offset, 8);
- try out.writeAll(":");
- try out.writeAll(" ");
- for (bytes[0..8]) |b| {
- try out.writeAll(" ");
- try printHexValue(out, b, 2);
- }
- try out.writeAll(" ");
- for (bytes[8..16]) |b| {
- try out.writeAll(" ");
- try printHexValue(out, b, 2);
- }
- try out.writeAll(" |");
- try printCharValues(out, bytes);
- try out.writeAll("|\n");
-}
-
-fn printDecValue(out: anytype, value: u64, width: u8) !void {
- var buffer: [20]u8 = undefined;
- const len = std.fmt.formatIntBuf(buffer[0..], value, 10, .lower, .{ .width = width, .fill = '0' });
- try out.writeAll(buffer[0..len]);
-}
-
-fn printHexValue(out: anytype, value: u64, width: u8) !void {
- var buffer: [16]u8 = undefined;
- const len = std.fmt.formatIntBuf(buffer[0..], value, 16, .lower, .{ .width = width, .fill = '0' });
- try out.writeAll(buffer[0..len]);
-}
-
-fn printCharValues(out: anytype, bytes: []const u8) !void {
- for (bytes) |b| {
- try out.writeAll(&[_]u8{printable_char_tab[b]});
- }
-}
-
-fn printUnderstandableChar(out: anytype, char: u8) !void {
- if (std.ascii.isPrint(char)) {
- try out.print("'{c}'", .{char});
- } else {
- try out.print("\\x{X:0>2}", .{char});
- }
-}
-
-// zig fmt: off
-const printable_char_tab: [256]u8 = (
- "................................ !\"#$%&'()*+,-./0123456789:;<=>?" ++
- "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~." ++
- "................................................................" ++
- "................................................................"
-).*;
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-28 06:28:46 +0000