Zig 0.17.0-dev (Split by item)

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parseCExpr

MacroTranslator.parseCExpr

fn parseCExpr(mt: *MacroTranslator, scope: *Scope) ParseError!ZigNode

File

lib/compiler/translate-c/MacroTranslator.zig:237

Code

fn parseCExpr(mt: *MacroTranslator, scope: *Scope) ParseError!ZigNode {
    const arena = mt.t.arena;
    // TODO parseCAssignExpr here
    var block_scope = try Scope.Block.init(mt.t, scope, true);
    defer block_scope.deinit();

    const node = try mt.parseCCondExpr(&block_scope.base);
    if (!mt.eat(.comma)) return node;

    var last = node;
    while (true) {
        // suppress result
        const ignore = try ZigTag.discard.create(arena, .{ .should_skip = false, .value = last });
        try block_scope.statements.append(mt.t.gpa, ignore);

        last = try mt.parseCCondExpr(&block_scope.base);
        if (!mt.eat(.comma)) break;
    }

    const break_node = try ZigTag.break_val.create(arena, .{
        .label = block_scope.label,
        .val = last,
    });
    try block_scope.statements.append(mt.t.gpa, break_node);
    return try block_scope.complete();
}