mirror of
https://github.com/ziglang/zig.git
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Remove PackedIntArray usage from bundled Aro
This commit is contained in:
Krzysztof Wolicki
parent
ce27ae1c68
commit
278eb06b98
147
lib/compiler/aro/aro/Preprocessor.zig
vendored
147
lib/compiler/aro/aro/Preprocessor.zig
vendored
@ -389,7 +389,8 @@ fn preprocessExtra(pp: *Preprocessor, source: Source) MacroError!TokenWithExpans
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try pp.ensureTotalTokenCapacity(pp.tokens.len + estimated_token_count);
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var if_level: u8 = 0;
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var if_kind = std.PackedIntArray(u2, 256).init([1]u2{0} ** 256);
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var if_kind: [64]u8 = .{0} ** 64;
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const native_endian = @import("builtin").cpu.arch.endian();
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const until_else = 0;
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const until_endif = 1;
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const until_endif_seen_else = 2;
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@ -430,12 +431,24 @@ fn preprocessExtra(pp: *Preprocessor, source: Source) MacroError!TokenWithExpans
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if_level = sum;
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if (try pp.expr(&tokenizer)) {
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if_kind.set(if_level, until_endif);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_endif,
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native_endian,
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);
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if (pp.verbose) {
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pp.verboseLog(directive, "entering then branch of #if", .{});
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}
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} else {
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if_kind.set(if_level, until_else);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_else,
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native_endian,
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);
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try pp.skip(&tokenizer, .until_else);
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if (pp.verbose) {
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pp.verboseLog(directive, "entering else branch of #if", .{});
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@ -451,12 +464,24 @@ fn preprocessExtra(pp: *Preprocessor, source: Source) MacroError!TokenWithExpans
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const macro_name = (try pp.expectMacroName(&tokenizer)) orelse continue;
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try pp.expectNl(&tokenizer);
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if (pp.defines.get(macro_name) != null) {
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if_kind.set(if_level, until_endif);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_endif,
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native_endian,
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);
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if (pp.verbose) {
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pp.verboseLog(directive, "entering then branch of #ifdef", .{});
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}
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} else {
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if_kind.set(if_level, until_else);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_else,
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native_endian,
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);
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try pp.skip(&tokenizer, .until_else);
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if (pp.verbose) {
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pp.verboseLog(directive, "entering else branch of #ifdef", .{});
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@ -472,9 +497,21 @@ fn preprocessExtra(pp: *Preprocessor, source: Source) MacroError!TokenWithExpans
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const macro_name = (try pp.expectMacroName(&tokenizer)) orelse continue;
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try pp.expectNl(&tokenizer);
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if (pp.defines.get(macro_name) == null) {
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if_kind.set(if_level, until_endif);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_endif,
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native_endian,
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);
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} else {
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if_kind.set(if_level, until_else);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_else,
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native_endian,
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);
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try pp.skip(&tokenizer, .until_else);
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}
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},
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@ -482,13 +519,25 @@ fn preprocessExtra(pp: *Preprocessor, source: Source) MacroError!TokenWithExpans
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if (if_level == 0) {
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try pp.err(directive, .elif_without_if);
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if_level += 1;
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if_kind.set(if_level, until_else);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_else,
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native_endian,
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);
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} else if (if_level == 1) {
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guard_name = null;
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}
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switch (if_kind.get(if_level)) {
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switch (std.mem.readPackedInt(u2, &if_kind, if_level * 2, native_endian)) {
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until_else => if (try pp.expr(&tokenizer)) {
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if_kind.set(if_level, until_endif);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_endif,
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native_endian,
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);
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if (pp.verbose) {
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pp.verboseLog(directive, "entering then branch of #elif", .{});
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}
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@ -510,15 +559,27 @@ fn preprocessExtra(pp: *Preprocessor, source: Source) MacroError!TokenWithExpans
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if (if_level == 0) {
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try pp.err(directive, .elifdef_without_if);
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if_level += 1;
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if_kind.set(if_level, until_else);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_else,
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native_endian,
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);
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} else if (if_level == 1) {
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guard_name = null;
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}
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switch (if_kind.get(if_level)) {
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switch (std.mem.readPackedInt(u2, &if_kind, if_level * 2, native_endian)) {
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until_else => {
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const macro_name = try pp.expectMacroName(&tokenizer);
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if (macro_name == null) {
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if_kind.set(if_level, until_else);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_else,
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native_endian,
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);
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try pp.skip(&tokenizer, .until_else);
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if (pp.verbose) {
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pp.verboseLog(directive, "entering else branch of #elifdef", .{});
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@ -526,12 +587,24 @@ fn preprocessExtra(pp: *Preprocessor, source: Source) MacroError!TokenWithExpans
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} else {
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try pp.expectNl(&tokenizer);
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if (pp.defines.get(macro_name.?) != null) {
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if_kind.set(if_level, until_endif);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_endif,
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native_endian,
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);
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if (pp.verbose) {
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pp.verboseLog(directive, "entering then branch of #elifdef", .{});
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}
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} else {
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if_kind.set(if_level, until_else);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_else,
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native_endian,
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);
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try pp.skip(&tokenizer, .until_else);
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if (pp.verbose) {
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pp.verboseLog(directive, "entering else branch of #elifdef", .{});
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@ -551,15 +624,27 @@ fn preprocessExtra(pp: *Preprocessor, source: Source) MacroError!TokenWithExpans
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if (if_level == 0) {
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try pp.err(directive, .elifdef_without_if);
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if_level += 1;
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if_kind.set(if_level, until_else);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_else,
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native_endian,
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);
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} else if (if_level == 1) {
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guard_name = null;
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}
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switch (if_kind.get(if_level)) {
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switch (std.mem.readPackedInt(u2, &if_kind, if_level * 2, native_endian)) {
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until_else => {
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const macro_name = try pp.expectMacroName(&tokenizer);
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if (macro_name == null) {
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if_kind.set(if_level, until_else);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_else,
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native_endian,
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);
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try pp.skip(&tokenizer, .until_else);
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if (pp.verbose) {
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pp.verboseLog(directive, "entering else branch of #elifndef", .{});
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@ -567,12 +652,24 @@ fn preprocessExtra(pp: *Preprocessor, source: Source) MacroError!TokenWithExpans
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} else {
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try pp.expectNl(&tokenizer);
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if (pp.defines.get(macro_name.?) == null) {
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if_kind.set(if_level, until_endif);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_endif,
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native_endian,
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);
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if (pp.verbose) {
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pp.verboseLog(directive, "entering then branch of #elifndef", .{});
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}
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} else {
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if_kind.set(if_level, until_else);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_else,
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native_endian,
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);
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try pp.skip(&tokenizer, .until_else);
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if (pp.verbose) {
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pp.verboseLog(directive, "entering else branch of #elifndef", .{});
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@ -596,9 +693,15 @@ fn preprocessExtra(pp: *Preprocessor, source: Source) MacroError!TokenWithExpans
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} else if (if_level == 1) {
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guard_name = null;
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}
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switch (if_kind.get(if_level)) {
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switch (std.mem.readPackedInt(u2, &if_kind, if_level * 2, native_endian)) {
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until_else => {
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if_kind.set(if_level, until_endif_seen_else);
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std.mem.writePackedInt(
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u2,
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&if_kind,
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if_level * 2,
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until_endif_seen_else,
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native_endian,
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);
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if (pp.verbose) {
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pp.verboseLog(directive, "#else branch here", .{});
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}
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